/* ═══════════════════════════════════════════════════════════════════════════
   RHYTHM BLITZ  —  Main stylesheet
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --bg:         #08080f;
  --surface:    #12121e;
  --surface2:   #1c1c2e;
  --border:     #2a2a42;
  --text:       #e0e0f0;
  --text-dim:   #7070a0;
  --accent:     #6bcb77;
  --accent2:    #4d96ff;
  --danger:     #ff6b6b;
  --warn:       #ffd93d;
  --purple:     #c77dff;
  --orange:     #ff9f43;
  --radius:     12px;
  --shadow:     0 4px 24px rgba(0,0,0,.5);
  --music-level: 0;
  --music-beat: 0;
  --cursor-x: 0;
  --cursor-y: 0;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { width: 100%; height: 100%; overflow: hidden; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--ui-font, 'Rajdhani', 'Segoe UI', system-ui, sans-serif);
  display: flex; align-items: center; justify-content: center;
}

/* Ambient layers for menu/lobby screens (driven by JS-set CSS vars) */
body::before,
body::after {
  content: '';
  position: fixed;
  inset: -10vmax;
  pointer-events: none;
  opacity: 0;
  transition: opacity .45s ease;
}
body::before {
  background:
    radial-gradient(35vmax 35vmax at 12% 18%, rgba(77,150,255,.22), transparent 62%),
    radial-gradient(30vmax 30vmax at 85% 22%, rgba(107,203,119,.18), transparent 62%),
    radial-gradient(34vmax 34vmax at 52% 82%, rgba(199,125,255,.12), transparent 66%);
  transform: scale(calc(1 + var(--music-level) * .08));
  filter: saturate(calc(1 + var(--music-level) * .7));
}
body::after {
  background:
    repeating-linear-gradient(120deg,
      rgba(255,255,255,.03) 0px,
      rgba(255,255,255,.03) 1px,
      transparent 1px,
      transparent 18px);
  transform: translateY(calc(var(--music-level) * -6px));
}
body.music-bg-active::before,
body.music-bg-active::after {
  opacity: calc(.25 + var(--music-level) * .45 + var(--music-beat) * .2);
}

/* ── Screens ── */
#scene-viewport,
#scene-stage {
  position: fixed;
  inset: 0;
  perspective: 1200px;
  perspective-origin: 50% 50%;
  overflow: hidden;
  z-index: 1;
}

#scene-root,
#scene-camera {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}

#menu-ghost-stage {
  position: fixed;
  inset: 0;
  perspective: 1200px;
  perspective-origin: 50% 50%;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

#menu-ghost-camera {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}

.ghost-screen {
  position: absolute !important;
  inset: 0;
  width: 100vw !important;
  height: 100vh !important;
  display: flex !important;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  pointer-events: none !important;
  transform:
    translate3d(var(--scene-x, 0px), 0, calc(-1 * var(--scene-z, 0px)))
    rotateY(var(--scene-yaw, 0deg));
}

.ghost-screen .depth-mid,
.ghost-screen .depth-front,
.ghost-screen .depth-pop {
  transform-style: preserve-3d;
  backface-visibility: hidden;
}

.ghost-screen .depth-mid { transform: translateZ(14px); }
.ghost-screen .depth-front { transform: translateZ(28px); }
.ghost-screen .depth-pop { transform: translateZ(42px); }

.screen {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  transition: opacity .25s;
  z-index: 1;
}
.screen.hidden  { display: none !important; }
.screen.active  { display: flex; }

body.scene-3d .screen {
  position: absolute !important;
  inset: 0;
  width: 100vw !important;
  height: 100vh !important;
  display: flex !important;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  pointer-events: none !important;
  transform:
    translate3d(var(--scene-x, 0px), 0, calc(-1 * var(--scene-z, 0px)))
    rotateY(var(--scene-yaw-runtime, var(--scene-yaw, 0deg)));
}

body.scene-3d .screen.scene-interactive {
  pointer-events: auto !important;
}
/* Safety net: even in 3D mode, explicitly hidden screens must stay hidden.
   Higher specificity (0,3,1) beats body.scene-3d .screen (0,2,1) so this wins. */
body.scene-3d .screen.hidden {
  display: none !important;
}

body.scene-3d #scene-root,
body.scene-3d #scene-camera {
  will-change: transform;
}

body.scene-3d .depth-mid,
body.scene-3d .depth-front,
body.scene-3d .depth-pop {
  transform-style: preserve-3d;
  backface-visibility: hidden;
}

body.scene-3d .depth-mid {
  transform: translateZ(14px);
}

body.scene-3d .depth-front {
  transform: translateZ(28px);
}

body.scene-3d .depth-pop {
  transform: translateZ(42px);
}

#menu-overlay-root {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
}

#bottom-visualizer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: clamp(90px, 16vh, 200px);
  z-index: 0;
  pointer-events: none;
  opacity: 0.92;
  mix-blend-mode: screen;
  filter: drop-shadow(0 -10px 26px rgba(77, 150, 255, 0.4));
}

/* ── Overlay Mode: 3D background + classic menu overlay ── */
body.scene-3d .screen.menu-overlay {
  position: fixed !important;
  inset: 0 !important;
  width: 100% !important;
  height: 100% !important;
  transform: none !important;
  pointer-events: auto !important;
  transform-style: initial !important;
  z-index: 50 !important;
}

body.scene-3d .screen.menu-overlay .depth-mid,
body.scene-3d .screen.menu-overlay .depth-front,
body.scene-3d .screen.menu-overlay .depth-pop {
  transform: none !important;
}

.hidden { display: none !important; }

/* ── Buttons ── */
.btn {
  cursor: pointer;
  border: none; outline: none;
  border-radius: 8px;
  font-size: 1rem; font-weight: 600;
  padding: .65rem 1.4rem;
  transition: transform .13s ease, filter .15s ease, box-shadow .2s ease, background-color .2s ease;
  letter-spacing: .04em;
}
.btn:active { transform: scale(.96); }
.btn-primary   { background: var(--accent);  color: #000; }
.btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-small     { padding: .35rem .8rem; font-size: .8rem; background: var(--surface2); color: var(--text-dim); border: 1px solid var(--border); }
.btn-large     { width: 100%; padding: .85rem; font-size: 1.1rem; margin-top: .5rem; }
.btn:disabled  { opacity: .35; cursor: not-allowed; }
.btn:hover:not(:disabled) {
  transform: translateY(-2px);
  filter: brightness(1.1);
  box-shadow: 0 8px 20px rgba(0,0,0,.28), 0 0 calc(16px + var(--music-beat) * 18px) rgba(107,203,119,.18);
}

.btn-primary {
  background: linear-gradient(135deg, #7be48c 0%, #59ba6b 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.2);
}

.btn-secondary {
  background:
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,0)),
    var(--surface2);
}

/* ── Inputs ── */
input[type="text"] {
  width: 100%;
  padding: .7rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: border-color .2s;
}
input[type="text"]:focus { border-color: var(--accent2); }

/* ═══════════════════════════════ MENU ═══════════════════════════════════════ */
.menu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2.8rem;
  width: 380px;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 1rem;
  align-items: center;
  position: relative;
  overflow: hidden;
  transform: translateY(calc(var(--music-beat) * -2px));
  transition: transform .16s ease, box-shadow .25s ease;
}
.menu-card::before {
  content: '';
  position: absolute;
  top: -40%; left: -35%;
  width: 70%; height: 220%;
  background: linear-gradient(110deg, transparent 0%, rgba(255,255,255,.05) 48%, transparent 52%);
  transform: translateX(calc(var(--music-level) * 28%));
  pointer-events: none;
}
.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  line-height: 1;
  text-align: center;
  margin: 0;
  align-self: center;
  width: max-content;
  position: relative;
}

.logo-rhythm {
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .5em;
  padding-left: .5em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.logo-blitz {
  font-size: 3.6rem;
  font-weight: 900;
  letter-spacing: .04em;
  line-height: .88;
  color: var(--accent);
  text-shadow: 0 0 18px rgba(107,203,119,.35), 0 0 32px rgba(107,203,119,.22);
}

/* Fallback for old .logo span usage (ghost screens etc.) */
.logo span { color: var(--accent); }
.menu-card .field,
.menu-card .btn-row,
.menu-card #menu-name-error,
.menu-card .editor-link {
  width: 100%;
}
.field { display: flex; flex-direction: column; gap: .4rem; }
.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
#join-form { display: flex; flex-direction: column; gap: .7rem; margin-top: .1rem; }
.error-msg { color: var(--danger); font-size: .85rem; text-align: center; }
.conn-status { color: #f0a500; font-size: .82rem; text-align: center; margin-top: .5rem; }
.public-lobbies-wrap {
  margin-top: .15rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface2) 80%, #10121f 20%);
  padding: .65rem;
  display: flex;
  flex-direction: column;
  gap: .55rem;
}
.public-lobbies-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
  font-size: .82rem;
}
.public-lobbies-head-actions {
  display: flex;
  align-items: center;
  gap: .35rem;
}
.public-lobbies-status {
  font-size: .76rem;
  color: var(--text-dim);
  min-height: 1.2em;
}
.public-lobbies-list {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  max-height: 220px;
  overflow-y: auto;
}
.public-lobby-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .5rem .55rem;
  background: rgba(255, 255, 255, .02);
  display: flex;
  flex-direction: column;
  gap: .42rem;
}
.public-lobby-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
}
.public-lobby-name {
  font-size: .84rem;
  font-weight: 700;
  color: var(--text);
}
.public-lobby-meta {
  font-size: .72rem;
  color: var(--text-dim);
}
.public-lobby-badge {
  display: inline-block;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: .16rem .4rem;
  border-radius: 999px;
  border: 1px solid var(--border);
}
.public-lobby-badge.waiting { color: var(--accent); }
.public-lobby-badge.playing { color: var(--warn); }
.public-lobby-empty {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: .55rem;
  font-size: .76rem;
  color: var(--text-dim);
  text-align: center;
}
.public-lobby-status {
  font-size: .76rem;
  color: var(--text-dim);
  margin-top: -.2rem;
  margin-bottom: .35rem;
}

/* ── Join Browser ── */
.join-browser-wrap {
  width: min(1020px, 96vw);
  max-height: 95vh;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .9rem;
}
.join-browser-header {
  display: flex;
  align-items: center;
  gap: .8rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: .7rem;
}
.join-browser-header h2 {
  flex: 1;
  text-align: center;
  font-size: 1.25rem;
}
.join-guest-name-row {
  width: min(420px, 100%);
  margin: .2rem auto 0;
}
.join-code-bar {
  display: grid !important;
  grid-template-columns: 1fr auto;
  gap: .7rem;
  align-items: start;
  margin-top: 0;
}
.join-code-bar #btn-join {
  margin-top: .08rem;
}
.join-browser-body {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: .9rem;
  min-height: 0;
  flex: 1;
}
.join-browser-filter-col {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface2);
  padding: .8rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.join-browser-filter-col h3 {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--text-dim);
}
.join-filter-check {
  display: flex;
  align-items: center;
  gap: .45rem;
  color: var(--text-dim);
  font-size: .85rem;
}
.join-browser-list-col {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface2) 80%, #10121f 20%);
  padding: .75rem;
  display: flex;
  flex-direction: column;
  gap: .55rem;
  min-height: 0;
}
.join-browser-list {
  max-height: none;
  flex: 1;
}
@media (max-width: 900px) {
  .join-browser-body {
    grid-template-columns: 1fr;
  }
  .join-code-bar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .game-wrap {
    padding: .5rem;
  }
  .game-row {
    gap: 0;
    padding: 0;
  }
  .side-panel {
    display: none;
  }
  .canvas-outer {
    flex: 1 1 auto;
    width: 100%;
  }
  #game-canvas {
    max-width: 100%;
  }
  .mobile-controls {
    position: absolute;
    left: .6rem;
    right: .6rem;
    bottom: .6rem;
    z-index: 20;
    display: grid;
    gap: .45rem;
    grid-template-columns: repeat(var(--lane-count, 4), minmax(0, 1fr));
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
  .mobile-lane-btn {
    min-height: 3.7rem;
    font-size: .9rem;
  }
}

/* ── Level Browser ── */
.levels-wrap {
  width: min(900px, 96vw);
  max-height: 96vh;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow: hidden;
}
.levels-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border);
}
.levels-header h2 { flex: 1; text-align: center; font-size: 1.3rem; }
.levels-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: .75rem;
  align-items: center;
}
.levels-search,
.levels-filter-select {
  width: 100%;
  padding: .68rem .9rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font: inherit;
  outline: none;
}
.levels-search:focus,
.levels-filter-select:focus {
  border-color: var(--accent2);
}
@media (min-width: 900px) {
  .levels-search {
    grid-column: span 2;
  }
}
.levels-status {
  color: var(--text-dim);
  font-size: .9rem;
  text-align: center;
  min-height: 1.4em;
}
.levels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  overflow-y: auto;
  padding-right: .25rem;
}
.levels-empty {
  grid-column: 1 / -1;
  padding: 1rem 1.2rem;
  text-align: center;
  color: var(--text-dim);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: rgba(255,255,255,.02);
}
.level-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: row;
  gap: 0;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.level-card:hover {
  border-color: var(--accent2);
  box-shadow: 0 4px 20px rgba(0,0,0,.35);
}

/* Artwork thumbnail */
.lvl-art {
  width: 82px;
  min-width: 82px;
  background: var(--surface2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.lvl-art-loaded {
  background-size: cover;
  background-position: center;
}
.lvl-art-ph {
  font-size: 1.6rem;
  color: var(--border);
  user-select: none;
}

/* Card body */
.lvl-body {
  flex: 1;
  padding: .75rem .9rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  min-width: 0;
}

.lvl-top { display: flex; flex-direction: column; gap: .12rem; }
.lvl-title  { font-weight: 700; font-size: .95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lvl-artist { font-size: .8rem; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lvl-meta   { display: flex; align-items: center; gap: .4rem; flex-wrap: wrap; }
.lvl-diff {
  font-size: .7rem; font-weight: 700;
  padding: .2rem .45rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.lvl-diff-easy   { background: #1a4d2e; color: var(--accent); }
.lvl-diff-normal { background: #1a2e4d; color: var(--accent2); }
.lvl-diff-hard   { background: #4d1a1a; color: var(--danger); }
.lvl-chip {
  font-size: .7rem;
  font-weight: 700;
  padding: .2rem .45rem;
  border-radius: 4px;
  color: var(--text-dim);
  background: #ffffff0d;
  border: 1px solid #ffffff1a;
}
.lvl-size { font-size: .75rem; color: var(--text-dim); margin-left: auto; }
.lvl-actions { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.lvl-btn-load, .lvl-btn-download, .lvl-btn-redownload { font-size: .85rem; padding: .4rem .9rem; }
.lvl-cached-badge { font-size: .72rem; color: var(--accent); margin-left: auto; }
.lvl-msg { font-size: .78rem; min-height: 1.1em; }
.editor-link { text-align: center; margin-top: .5rem; }
.editor-link a { color: var(--accent2); font-size: .85rem; text-decoration: none; }
.editor-link a:hover { text-decoration: underline; }

/* ═══════════════════════════════ LOBBY ══════════════════════════════════════ */
.lobby-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem 2rem;
  width: min(800px, 96vw);
  box-shadow: var(--shadow);
}
.lobby-header {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: .6rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.lobby-header h2 { font-size: 1.3rem; }
.code-badge {
  background: var(--surface2); color: var(--accent);
  font-family: monospace; font-size: 1.1rem; letter-spacing: .05em;
  padding: .2rem .7rem; border-radius: 6px; border: 1px solid var(--border);
  word-break: break-all;
}
.share-hint {
  font-size: .75rem; color: var(--text-dim);
  margin-bottom: 1.2rem; padding-bottom: .6rem;
  border-bottom: 1px solid var(--border);
}
.join-hint {
  font-size: .72rem; color: var(--text-dim); margin: .25rem 0 0;
}
.lobby-body { display: grid; grid-template-columns: 1fr 1.3fr; gap: 2rem; }
.lobby-col h3 { font-size: .85rem; text-transform: uppercase; letter-spacing: .12em; color: var(--text-dim); margin-bottom: .8rem; }

/* Player list */
.player-list { display: flex; flex-direction: column; gap: .5rem; }
.player-item {
  display: flex; align-items: center; gap: .6rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .55rem .85rem;
  font-size: .9rem;
}
.player-item .crown { color: var(--warn); font-size: .95rem; }
.player-item .p-name { flex: 1; font-weight: 600; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.player-item .p-diff {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .1em;
  padding: .15rem .5rem; border-radius: 4px; font-weight: 700;
}
.diff-easy   { background: rgba(107,203,119,.2); color: var(--accent); }
.diff-normal { background: rgba(77,150,255,.2);  color: var(--accent2); }
.diff-hard   { background: rgba(255,107,107,.2); color: var(--danger); }

/* Difficulty selector */
.diff-btns { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: .5rem; margin-bottom: 1.2rem; }
.btn-diff {
  background: var(--surface2); color: var(--text-dim);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: .6rem .4rem; font-size: .8rem; font-weight: 600;
  cursor: pointer; transition: all .15s;
  line-height: 1.6;
}
.btn-diff kbd {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border);
  border-radius: 3px; padding: 0 4px;
  font-family: monospace; font-size: .75rem;
  margin: 0 1px;
}
.btn-diff.selected { border-color: var(--accent2); color: var(--text); background: rgba(77,150,255,.1); }
.btn-diff:hover    { border-color: var(--accent2); }

/* Upload area */
.upload-btn {
  display: block; cursor: pointer;
  background: var(--surface2); border: 1px dashed var(--border);
  border-radius: 8px; padding: .7rem 1rem;
  text-align: center; font-size: .85rem; color: var(--text-dim);
  margin-bottom: .5rem; transition: border-color .15s, color .15s;
}
.upload-btn:hover { border-color: var(--accent2); color: var(--text); }
.upload-btn.done  { border-color: var(--accent); color: var(--accent); border-style: solid; }
.upload-status { font-size: .8rem; color: var(--text-dim); min-height: 1.2rem; margin-bottom: .3rem; }

.waiting-msg { color: var(--text-dim); font-size: .9rem; margin-top: 1rem; }

/* ═══════════════════════════════ GAME ═══════════════════════════════════════ */
.game-wrap {
  width: 100%; height: 100%;
  display: flex; flex-direction: column; align-items: stretch;
  background: var(--bg);
  position: relative;
}
.opponents-bar {
  display: flex; gap: 1.5rem; align-items: center;
  padding: .5rem 1.5rem;
  width: 100%;
  background: rgba(0,0,0,.5);
  min-height: 42px;
  flex-wrap: wrap;
  flex-shrink: 0;
}
.opp-entry {
  display: flex; align-items: center; gap: .4rem;
  font-size: .78rem; color: var(--text-dim);
}
.opp-name { font-weight: 700; color: var(--text); }
.opp-score { color: var(--accent2); font-variant-numeric: tabular-nums; }

.spectator-chip {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  padding: .2rem .55rem;
  border-radius: 4px;
  text-transform: uppercase;
  background: rgba(255,90,118,.2);
  color: #ff5a76;
  margin-right: .4rem;
  flex-shrink: 0;
}

.leave-match-top {
  position: absolute;
  top: 8px;
  right: 10px;
  z-index: 15;
  background: rgba(10,10,18,.9);
  border: 1px solid var(--border);
}

/* ─── Spectator screen ─── */
#screen-spectate {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 0;
  background: var(--bg);
}
.spectate-header {
  position: sticky;
  top: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  padding: .5rem 1.2rem;
  background: rgba(8,8,15,.92);
  border-bottom: 1px solid rgba(255,107,107,.35);
  backdrop-filter: blur(8px);
  flex-shrink: 0;
}
.spectate-controls {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-left: auto;
  margin-right: .2rem;
}
.spectate-control {
  display: flex;
  align-items: center;
  gap: .35rem;
  color: var(--text-dim);
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.spectate-control select {
  background: rgba(0,0,0,.45);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .25rem .45rem;
  font-size: .72rem;
}
.spectate-control select:disabled {
  opacity: .45;
}
.spectate-title {
  font-weight: 700;
  color: var(--danger);
  letter-spacing: .12em;
  font-size: .85rem;
  text-transform: uppercase;
}
.spectate-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-start;
  justify-content: center;
  padding: 18px 16px 24px;
  overflow-y: auto;
  flex: 1;
}
.spectate-player-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(0,0,0,.45);
  transition: border-color .3s;
}
.spectate-player-card.spec-leading {
  border-color: var(--accent2);
  box-shadow: 0 0 0 2px var(--accent2), 0 4px 18px rgba(0,0,0,.5);
}
.spectate-player-card.spec-focus {
  border-color: var(--warn);
  box-shadow: 0 0 0 2px var(--warn), 0 6px 22px rgba(0,0,0,.55);
}
.spectate-player-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .3rem .65rem;
  background: rgba(0,0,0,.55);
  gap: .5rem;
}
.spectate-player-name {
  font-weight: 700;
  font-size: .8rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.spectate-player-score {
  color: var(--accent2);
  font-size: .78rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  flex-shrink: 0;
}
.spectate-player-card canvas {
  display: block;
}

/* Three-column game row: [side] [main canvas] [side] */
.game-row {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  gap: 6px;
  padding: 6px;
}

/* Side panels */
.side-panel {
  width: 160px;
  flex-shrink: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  background: rgba(255,255,255,.025);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.45s ease;
}
.side-panel.visible { opacity: 1; }

.side-badge {
  position: absolute;
  top: 8px; left: 50%;
  transform: translateX(-50%);
  font-size: 1.1rem; font-weight: 900;
  z-index: 2;
  text-shadow: 0 0 10px currentColor;
  pointer-events: none;
}
.side-badge.rank-1 { color: var(--warn); }
.side-badge.rank-2 { color: #c0c0c0; }
.side-badge.rank-3 { color: #cd7f32; }
.side-badge.rank-n { color: var(--text-dim); }

#canvas-side-left, #canvas-side-right {
  display: block;
  flex: 1;
  width: 100%;
  min-height: 0;
}

.side-label {
  flex-shrink: 0;
  padding: 5px 8px 7px;
  text-align: center;
  background: rgba(0,0,0,.55);
  border-top: 1px solid var(--border);
}
.side-name {
  font-size: .75rem; font-weight: 700;
  color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.side-score {
  font-size: .8rem; color: var(--accent2);
  font-variant-numeric: tabular-nums;
  margin-top: 1px;
}

.canvas-outer {
  flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  height: 100%;
}
#game-canvas {
  display: block;
  /* size set by JS */
  touch-action: none;
}

.mobile-controls {
  display: none;
}

.mobile-lane-btn {
  min-height: 3.5rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(8, 8, 14, .86);
  color: var(--text);
  font-size: .95rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  text-shadow: 0 0 10px rgba(255,255,255,.08);
  touch-action: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.mobile-lane-btn:active,
.mobile-lane-btn.pressed {
  background: rgba(77,150,255,.24);
  border-color: var(--accent2);
}

/* ═══════════════════════════════ RESULTS ════════════════════════════════════ */
.results-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 2.5rem;
  width: min(640px, 94vw);
  box-shadow: var(--shadow);
}
.results-card h2 { font-size: 1.8rem; text-align: center; margin-bottom: 1.5rem; }
.results-list { display: flex; flex-direction: column; gap: .6rem; margin-bottom: 1rem; }
.result-row {
  display: flex; align-items: center; gap: .8rem;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 8px; padding: .7rem 1rem;
}
.result-rank { font-size: 1.3rem; font-weight: 900; width: 2rem; text-align: center; }
.rank-1 { color: var(--warn); }
.rank-2 { color: #c0c0c0; }
.rank-3 { color: #cd7f32; }
.result-name { flex: 1; font-weight: 600; }
.result-score { font-size: 1.1rem; font-weight: 700; color: var(--accent2); font-variant-numeric: tabular-nums; }
.result-stats { font-size: .75rem; color: var(--text-dim); margin-left: auto; text-align: right; }
.results-btns { display: flex; gap: .8rem; }
.results-btns .btn { flex: 1; }
.results-analytics {
  display: flex;
  flex-direction: column;
  gap: .9rem;
  margin-bottom: 1.25rem;
}
.results-analytics-panel {
  display: flex;
  flex-direction: column;
  gap: .85rem;
  padding: .95rem 1rem 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0)),
    rgba(255,255,255,.015);
}
.results-analytics-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .5rem;
}
.analytics-metric {
  padding: .55rem .65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.18);
  display: flex;
  flex-direction: column;
  gap: .15rem;
}
.analytics-metric span {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-dim);
}
.analytics-metric strong {
  font-size: 1.2rem;
  color: var(--accent2);
}
.analytics-section { display: flex; flex-direction: column; gap: .45rem; }
.analytics-label {
  font-size: .75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.analytics-chart {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: .35rem;
  align-items: end;
  min-height: 92px;
  padding-top: .25rem;
}
.analytics-bar-wrap {
  height: 92px;
  display: flex;
  align-items: end;
  justify-content: center;
  border-radius: 8px 8px 4px 4px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.04);
  overflow: hidden;
}
.analytics-bar {
  width: 100%;
  border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, var(--accent2), var(--accent));
  box-shadow: 0 0 18px rgba(77,150,255,.25);
}
.analytics-causes {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}
.analytics-chip {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .35rem .6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  color: var(--text-dim);
  font-size: .72rem;
}

/* ═══════════════════════════ COUNTDOWN OVERLAY ══════════════════════════════ */
.overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.75);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  z-index: 100;
}

/* ── Corner buttons (settings + account) ────────────────────────────── */
.settings-corner-btn {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 130;
  background: rgba(8, 8, 14, .9);
  border: 1px solid var(--border);
}
.settings-corner-btn.hidden { display: none; }

.account-corner-btn {
  position: fixed;
  top: 10px;
  right: 120px;
  z-index: 130;
  background: rgba(8, 8, 14, .9);
  border: 1px solid var(--border);
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.account-corner-btn.hidden { display: none; }

/* ── Account overlay ─────────────────────────────────────────────────── */
.rb-account-overlay .settings-card { width: min(520px, 96vw); }

.acct-profile-header {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding: .5rem 0;
}
.acct-avatar-wrap {
  position: relative;
  width: 42px; height: 42px;
  flex-shrink: 0;
  cursor: pointer;
}
.acct-avatar-wrap:hover .acct-avatar-edit-hint { opacity: 1; }
.acct-avatar-edit-hint {
  position: absolute; inset: 0;
  border-radius: 50%;
  background: rgba(0,0,0,.55);
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
  color: #fff;
  opacity: 0;
  transition: opacity .15s;
  pointer-events: none;
}
.acct-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  text-transform: uppercase;
}
.acct-avatar-img {
  object-fit: cover;
  display: block;
  background: transparent;
}
.acct-username {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}
.acct-email-display {
  font-size: .8rem;
  color: var(--text-dim);
  margin-top: 1px;
}
.acct-totals {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  padding: .55rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: .3rem 0;
}
.acct-total-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.acct-total-item span:first-child { font-size: .72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .04em; }
.acct-total-item span:last-child  { font-size: 1.1rem; font-weight: 700; color: var(--text); }

.acct-scores-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 280px;
  overflow-y: auto;
  padding-right: 2px;
}
.acct-score-row {
  display: grid;
  grid-template-columns: 1fr 60px 70px 52px 40px;
  align-items: center;
  gap: .4rem;
  padding: .35rem .45rem;
  background: rgba(255,255,255,.03);
  border-radius: 6px;
  font-size: .82rem;
}
.acct-score-row:hover { background: rgba(255,255,255,.06); }
.acct-score-title { font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.acct-score-diff  { font-size: .72rem; padding: 1px 5px; border-radius: 4px; text-align: center; font-weight: 600; }
.acct-score-diff.diff-easy   { background: rgba(107,203,119,.18); color: #6bcb77; }
.acct-score-diff.diff-normal { background: rgba(90,140,255,.18);  color: #5a8cff; }
.acct-score-diff.diff-hard   { background: rgba(255,100,100,.18); color: #ff6464; }
.acct-score-val   { font-weight: 700; color: var(--text); text-align: right; }
.acct-score-acc   { color: var(--text-dim); text-align: right; }
.acct-score-grade { font-weight: 800; text-align: center; }

.acct-status {
  font-size: .82rem;
  margin-top: 6px;
  min-height: 1.1em;
}
.acct-settings-details { margin-top: .4rem; }
.acct-settings-details summary { color: var(--text-dim); font-size: .85rem; }
.settings-input {
  width: 100%;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: .45rem .6rem;
  font-size: .9rem;
  box-sizing: border-box;
}
.settings-input:focus { outline: none; border-color: var(--accent); }

/* ── Settings overlay / card ─────────────────────────────────────────── */
.settings-card {
  width: min(560px, 96vw);
  max-height: min(85vh, 760px);
  overflow: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 1.1rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: .85rem;
}
.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.settings-header h3 {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: .05em;
}
.settings-section-title {
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent, #7c6af7);
  padding-bottom: .25rem;
  border-bottom: 1px solid var(--border);
}
.settings-hint {
  margin: 0;
  font-size: .8rem;
  color: var(--muted, #888);
}
.settings-hint kbd {
  background: var(--border);
  border-radius: 3px;
  padding: 0 4px;
  font-size: .75rem;
}
.settings-actions {
  display: flex;
  justify-content: flex-end;
}

/* ── Keybind table ───────────────────────────────────────────────────── */
.keybind-table {
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.keybind-header {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted, #888);
}
.keybind-row {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.keybind-diff-label {
  width: 80px;
  flex-shrink: 0;
  font-size: .9rem;
}
.keybind-keys {
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
}
.keybind-key-btn {
  min-width: 2.4rem;
  height: 2.4rem;
  padding: 0 .5rem;
  background: rgba(255,255,255,.07);
  border: 1.5px solid var(--border);
  border-radius: 6px;
  color: inherit;
  font-size: .95rem;
  font-family: monospace;
  cursor: pointer;
  text-transform: uppercase;
  transition: background .15s, border-color .15s;
}
.keybind-key-btn:hover {
  background: rgba(255,255,255,.14);
  border-color: var(--accent, #7c6af7);
}
.keybind-key-btn.capturing {
  border-color: var(--accent, #7c6af7);
  background: rgba(124,106,247,.18);
  animation: keybind-pulse .6s ease infinite alternate;
}
@keyframes keybind-pulse {
  from { box-shadow: 0 0 0 0 rgba(124,106,247,.4); }
  to   { box-shadow: 0 0 0 6px rgba(124,106,247,0); }
}

.debug-open {
  position: fixed;
  right: 10px;
  bottom: 10px;
  z-index: 130;
  background: rgba(8, 8, 14, .9);
  border: 1px solid var(--border);
}

.debug-card {
  width: min(520px, 96vw);
  max-height: min(82vh, 760px);
  overflow: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: .9rem;
}

.debug-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .6rem;
}

.debug-header h3 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: .02em;
}

.debug-flags-list {
  display: grid;
  gap: .4rem;
  margin-bottom: .7rem;
}

.debug-flag-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  background: rgba(255, 255, 255, .02);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .45rem .55rem;
}

.debug-flag-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.debug-flag-key {
  font-size: .82rem;
  color: var(--text);
}

.debug-flag-help {
  font-size: .72rem;
  color: var(--text-dim);
}

.debug-flag-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent2);
}

.debug-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  justify-content: flex-end;
}

.debug-status {
  min-height: 1.2rem;
  font-size: .78rem;
  color: var(--text-dim);
  margin-bottom: .35rem;
}
.countdown-number {
  font-size: 10rem; font-weight: 900; line-height: 1;
  color: var(--accent);
  text-shadow: 0 0 60px var(--accent), 0 0 120px var(--accent);
  animation: pop .4s ease-out;
}
.countdown-label { font-size: 1.2rem; letter-spacing: .3em; color: var(--text-dim); margin-top: .5rem; }

@keyframes pop {
  from { transform: scale(1.5); opacity: .5; }
  to   { transform: scale(1);   opacity: 1; }
}

/* ═══════════════════════════════ PAUSE ══════════════════════════════════════ */
.pause-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 2.5rem;
  width: min(400px, 92vw);
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 1.2rem;
  text-align: center;
}
.pause-title {
  font-size: 2.2rem; font-weight: 900; letter-spacing: .2em;
  color: var(--text);
}
.pause-scores {
  display: flex; flex-direction: column; gap: .4rem;
  max-height: 200px; overflow-y: auto;
}
.pause-score-row {
  display: flex; align-items: center; gap: .6rem;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 7px; padding: .45rem .8rem; font-size: .85rem;
}
.pause-score-row .p-rank { width: 1.6rem; font-weight: 900; }
.pause-score-row .p-name { flex: 1; font-weight: 600; text-align: left; }
.pause-score-row .p-val  { color: var(--accent2); font-variant-numeric: tabular-nums; }
.pause-score-row.is-me   { border-color: var(--accent2); }
.pause-btns { display: flex; flex-direction: column; gap: .6rem; }
.pause-hint { font-size: .78rem; color: var(--text-dim); }
.pause-hint kbd {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 4px; padding: 1px 5px; font-family: monospace; font-size: .75rem;
}

/* ═══════════════════════════════ SCROLLBAR ══════════════════════════════════ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
/* ═══════════════════════════════ POLISH ════════════════════════════════ */

/* Logo animated glow */
@keyframes logo-glow {
  0%, 100% { text-shadow: 0 0 18px rgba(107,203,119,.3); }
  50%       { text-shadow: 0 0 40px rgba(107,203,119,.75), 0 0 80px rgba(107,203,119,.2); }
}
.logo span { animation: logo-glow 2.8s ease-in-out infinite; }

/* Screen shake on miss */
@keyframes canvas-shake {
  0%, 100% { transform: translate(0,0); }
  15%  { transform: translate(-7px, 2px); }
  30%  { transform: translate( 6px,-3px); }
  45%  { transform: translate(-5px, 3px); }
  65%  { transform: translate( 4px,-2px); }
  80%  { transform: translate(-3px, 1px); }
}
.canvas-shake { animation: canvas-shake 0.32s ease-out; }

/* Fail cinematic: visual drag as the track slows down */
.canvas-outer {
  transition: filter .2s ease, transform .2s ease;
}
.canvas-outer.fail-slowmo {
  filter: saturate(.7) contrast(.92) brightness(.86) blur(.7px);
  transform: scale(.995);
}

/* ─── Lobby personal settings ─── */
.lobby-settings { margin-bottom: .8rem; }
.setting-row { display: flex; align-items: center; gap: .5rem; margin-bottom: .35rem; }
.setting-label { font-size: .85rem; width: 22px; text-align: center; flex-shrink: 0; }
.setting-slider { flex: 1; accent-color: var(--accent2); cursor: pointer; }
.setting-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent2);
}
.setting-val { font-size: .78rem; color: var(--text); width: 38px; text-align: right; flex-shrink: 0; }

/* ─── Grade letters ─── */
.result-grade {
  font-size: 1.85rem; font-weight: 900;
  width: 2.8rem; text-align: center;
  text-shadow: 0 0 14px currentColor;
  flex-shrink: 0;
}
.grade-SS { color: #ffd93d; }
.grade-S  { color: #ff9f43; }
.grade-A  { color: #6bcb77; }
.grade-B  { color: #4d96ff; }
.grade-C  { color: #c77dff; }
.grade-D  { color: #7070a0; }

/* ═══════════════════════════ CALIBRATION SCREEN ════════════════════════ */
.calibrate-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 3rem;
  width: min(440px, 94vw);
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 1.2rem;
  text-align: center;
}
.calibrate-card h2 { font-size: 1.6rem; }
.cal-desc { font-size: .88rem; color: var(--text-dim); line-height: 1.5; }
.cal-desc kbd {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 4px; padding: 1px 6px; font-family: monospace;
}
#cal-beat-outer {
  display: flex; align-items: center; justify-content: center;
  height: 110px;
}
.cal-beat {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--surface2);
  border: 3px solid var(--border);
}
@keyframes cal-pulse {
  0%   { transform: scale(1.4);  background: var(--accent); border-color: var(--accent); box-shadow: 0 0 32px var(--accent); }
  40%  { transform: scale(1.1);  background: rgba(107,203,119,.25); border-color: var(--accent); }
  100% { transform: scale(1);    background: var(--surface2); border-color: var(--border); box-shadow: none; }
}
.cal-beat-flash { animation: cal-pulse .36s ease-out forwards; }
.cal-progress { font-size: 1.1rem; font-weight: 700; color: var(--text-dim); }
.cal-result {
  font-size: 1rem; font-weight: 600; color: var(--accent2);
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 8px; padding: .7rem 1rem;
}
.cal-buttons { display: flex; gap: .7rem; justify-content: center; flex-wrap: wrap; }
.cal-current { font-size: .8rem; color: var(--text-dim); }
.cal-current strong { color: var(--accent); }

/* ─── Game mode selector (lobby) ─── */
.mode-row { display: flex; align-items: center; gap: .5rem; margin-top: .4rem; margin-bottom: .2rem; }
.mode-row-label { font-size: .75rem; color: var(--text-dim); white-space: nowrap; }
.mode-select {
  flex: 1;
  background: var(--surface2); color: var(--text);
  border: 1px solid var(--border); border-radius: 7px;
  padding: .4rem .6rem; font-size: .85rem; cursor: pointer;
  outline: none;
}
.mode-select:focus { border-color: var(--accent2); }

.mod-toggle {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .78rem;
  color: var(--text-dim);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .24rem .55rem;
}
.mod-toggle input { accent-color: var(--accent2); }

/* ─── Playlist display (marathon) ─── */
.playlist-display {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 8px; padding: .55rem .75rem;
  margin-top: .4rem; font-size: .8rem;
}
.playlist-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: .35rem; color: var(--text-dim); }
.playlist-list { display: flex; flex-direction: column; gap: .2rem; max-height: 80px; overflow-y: auto; }
.pl-item { font-size: .78rem; color: var(--text-dim); padding: .1rem 0; }
.pl-item.pl-current { color: var(--accent); font-weight: 600; }

/* ─── Mode badge in game ─── */
.mode-badge {
  font-size: .72rem; font-weight: 700; letter-spacing: .1em;
  padding: .2rem .55rem; border-radius: 4px;
  text-transform: uppercase; margin-right: .5rem; flex-shrink: 0;
}
.mode-badge.mode-sudden-death { background: rgba(255,107,107,.2); color: var(--danger); }
.mode-badge.mode-battle        { background: rgba(255,211,61,.2);  color: var(--warn); }
.mode-badge.mode-marathon      { background: rgba(107,203,119,.2); color: var(--accent); }
.mode-badge.mode-mod           { background: rgba(91,146,229,.2); color: var(--accent2); }

.rematch-status {
  margin: .4rem 0 .7rem;
  font-size: .82rem;
  color: var(--text-dim);
  text-align: center;
}

/* ─── Eliminated overlay ─── */
.elim-card {
  text-align: center; display: flex; flex-direction: column;
  align-items: center; gap: 1rem;
}
.elim-icon  { font-size: 5rem; filter: drop-shadow(0 0 20px rgba(255,107,107,.7)); }
.elim-title { font-size: 3rem; font-weight: 900; color: var(--danger); letter-spacing: .1em;
              text-shadow: 0 0 30px var(--danger); }
.elim-sub   { font-size: 1rem; color: var(--text-dim); }
.elim-hint  { font-size: .85rem; color: var(--text-dim); opacity: .6; }

/* ─── Marathon next-song overlay ─── */
.pl-next-card {
  text-align: center; display: flex; flex-direction: column;
  align-items: center; gap: .8rem;
}
.pl-next-label { font-size: .9rem; letter-spacing: .2em; text-transform: uppercase; color: var(--text-dim); }
.pl-next-num   { font-size: 1rem; color: var(--accent2); font-weight: 700; }
.pl-next-title { font-size: 2rem; font-weight: 900; color: var(--text); }
.pl-next-hint  { font-size: .85rem; color: var(--text-dim); opacity: .7; }

/* ═════════════════════ OSU-INSPIRED MENU SKIN ═════════════════════ */
:root {
  --osu-pink: #ff66b3;
  --osu-pink-deep: #ff3f9f;
  --osu-cyan: #63d8ff;
  --osu-blue: #5a88ff;
}

@keyframes ui-float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-4px); }
}

@keyframes beat-ring {
  0%   { transform: scale(0.95); opacity: 0.55; }
  100% { transform: scale(1.18); opacity: 0; }
}

body.music-bg-active::before {
  background:
    radial-gradient(
      calc(42vmax + var(--music-level) * 13vmax + var(--music-beat) * 10vmax)
      calc(42vmax + var(--music-level) * 13vmax + var(--music-beat) * 10vmax)
      at 10% 16%,
      rgba(255,102,179, calc(.16 + var(--music-level) * .28 + var(--music-beat) * .2)),
      transparent 70%
    ),
    radial-gradient(
      calc(40vmax + var(--music-level) * 12vmax + var(--music-beat) * 9vmax)
      calc(40vmax + var(--music-level) * 12vmax + var(--music-beat) * 9vmax)
      at 84% 20%,
      rgba(99,216,255, calc(.14 + var(--music-level) * .26 + var(--music-beat) * .19)),
      transparent 70%
    ),
    radial-gradient(
      calc(40vmax + var(--music-level) * 10vmax + var(--music-beat) * 8vmax)
      calc(40vmax + var(--music-level) * 10vmax + var(--music-beat) * 8vmax)
      at 50% 84%,
      rgba(90,136,255, calc(.1 + var(--music-level) * .2 + var(--music-beat) * .16)),
      transparent 74%
    );
  transform: scale(calc(1 + var(--music-level) * .12 + var(--music-beat) * .08));
  filter: saturate(calc(1 + var(--music-level) * .8));
}

body.music-bg-active::after {
  background:
    radial-gradient(circle at 30% 74%, rgba(255,255,255,.08) 0 1px, transparent 1.5px),
    radial-gradient(circle at 65% 30%, rgba(255,255,255,.07) 0 1px, transparent 1.5px),
    radial-gradient(circle at 80% 78%, rgba(255,255,255,.06) 0 1px, transparent 1.5px),
    repeating-linear-gradient(120deg,
      rgba(255,255,255,.04) 0px,
      rgba(255,255,255,.04) 1px,
      transparent 1px,
      transparent 18px);
  background-size: 120px 120px, 160px 160px, 140px 140px, auto;
}

#screen-menu .menu-card,
#screen-lobby .lobby-wrap,
#screen-levels .levels-wrap,
#screen-calibrate .calibrate-card {
  border: 1px solid color-mix(in srgb, var(--osu-cyan) 28%, var(--border));
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.01)),
    color-mix(in srgb, var(--surface) 88%, #0f1020 12%);
  box-shadow:
    0 10px 40px rgba(0,0,0,.45),
    0 0 calc(20px + var(--music-level) * 36px) color-mix(in srgb, var(--osu-cyan) 35%, transparent);
  /* cursor-tracking 3D tilt removed — using OSU flat nav */
  transition: box-shadow .24s ease;
}

/* .transition-flat rules removed — dead code from old 3D camera system */

body.scene-3d .overlay-handoff-clone {
  position: absolute !important;
  inset: 0;
  width: 100vw !important;
  height: 100vh !important;
  opacity: 1;
  transition: opacity 240ms ease;
}

body.scene-3d .overlay-handoff-clone.fade-out {
  opacity: 0;
}

body.scene-3d .screen.menu-overlay.overlay-handoff-enter {
  opacity: 0;
}

body.scene-3d .screen.menu-overlay.overlay-handoff-enter.overlay-handoff-enter-active {
  opacity: 1;
  transition: opacity 240ms ease;
}

#screen-menu .menu-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  border: 1px solid color-mix(in srgb, var(--osu-pink) calc(18% + var(--music-beat) * 28%), transparent);
  pointer-events: none;
}

#screen-menu .logo,
#screen-calibrate h2,
#screen-levels h2 {
  letter-spacing: .12em;
  text-transform: uppercase;
}

#screen-menu .logo {
  position: relative;
  color: #f9f9ff;
  text-shadow: 0 0 20px rgba(255,255,255,.16);
}

#screen-menu .logo span {
  color: transparent;
  background: linear-gradient(135deg, var(--osu-pink) 8%, #ff89cb 38%, var(--osu-cyan) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  text-shadow: 0 0 24px color-mix(in srgb, var(--osu-pink) 45%, transparent);
}

#screen-menu .tagline {
  color: color-mix(in srgb, var(--osu-cyan) 62%, var(--text-dim));
  letter-spacing: .18em;
}

.btn {
  border-radius: 999px;
  font-weight: 700;
}

.btn-primary {
  background: linear-gradient(135deg, var(--osu-pink) 0%, var(--osu-pink-deep) 45%, var(--osu-cyan) 100%);
  color: #ffffff;
  border: 1px solid rgba(255,255,255,.22);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px) scale(1.02);
  box-shadow:
    0 10px 28px rgba(0,0,0,.33),
    0 0 calc(18px + var(--music-beat) * 26px) color-mix(in srgb, var(--osu-pink) 45%, transparent);
}

.btn-secondary,
.btn-small {
  border: 1px solid color-mix(in srgb, var(--osu-cyan) 28%, var(--border));
}

input[type="text"]:focus {
  border-color: color-mix(in srgb, var(--osu-cyan) 78%, #fff);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--osu-cyan) 28%, transparent);
}

#screen-menu .menu-card .btn-row,
#screen-menu #join-form .btn {
  position: relative;
}

#screen-menu .menu-card .btn-row::after {
  content: '';
  position: absolute;
  width: 110px;
  height: 110px;
  right: -40px;
  bottom: -45px;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--osu-cyan) calc(38% + var(--music-level) * 40%), transparent);
  animation: beat-ring 1.15s ease-out infinite;
  pointer-events: none;
}

/* ══════════════════════════ BEAT SABER MENU ═══════════════════════════════ */

.bsaber-menu {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.bsaber-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.bsaber-name-wrap {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  width: 260px;
}

.menu-logged-in-name {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .4rem .6rem;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.menu-logged-in-name span {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
.menu-account-avatar-wrap { position: relative; flex-shrink: 0; }
.menu-account-avatar { width: 32px; height: 32px; font-size: .95rem; }

.bsaber-btn-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .55rem;
}

/* Hide wrapper when inner button is hidden (guest mode) */
.bsaber-btn-wrap:has(> .hidden) {
  display: none !important;
}

.bsaber-btn-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  z-index: 1;
}

/* ─── Button base ─── */
.bsaber-btn {
  --btn-c: var(--accent);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 260px;
  height: 68px;
  padding: 0;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--btn-c) 12%, var(--surface)),
    color-mix(in srgb, var(--btn-c)  6%, var(--surface2))
  );
  border: 1px solid color-mix(in srgb, var(--btn-c) 30%, transparent);
  border-radius: 8px;
  cursor: pointer;
  overflow: hidden;
  text-decoration: none;
  color: var(--text);
  transition:
    height    .26s ease-in-out 45ms,
    border-color .22s ease 45ms,
    box-shadow   .22s ease 45ms,
    background   .22s ease 45ms;
}

/* Per-button accent colours */
.bsaber-btn-wrap:nth-child(1) .bsaber-btn { --btn-c: var(--accent); }
.bsaber-btn-wrap:nth-child(2) .bsaber-btn { --btn-c: var(--accent2); }
.bsaber-btn-wrap:nth-child(3) .bsaber-btn { --btn-c: var(--purple); }
.bsaber-btn-wrap:nth-child(4) .bsaber-btn { --btn-c: var(--orange); }

/* Left accent stripe */
.bsaber-btn::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--btn-c);
  border-radius: 8px 0 0 8px;
  transition: width .3s ease;
  z-index: 2;
}

/* Top highlight sliver */
.bsaber-btn::after {
  content: '';
  position: absolute;
  top: 0; left: 4px; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255,255,255,.12) 40%,
    transparent 100%
  );
  pointer-events: none;
}

/* ─── Hover ─── */
.bsaber-btn-wrap:hover {
  z-index: 10;
}
.bsaber-btn:hover {
  height: 148px;
  transition:
    height    .38s cubic-bezier(0.25, 1.0, 0.5, 1),
    border-color .28s ease,
    box-shadow   .28s ease,
    background   .28s ease;
  border-color: color-mix(in srgb, var(--btn-c) 55%, transparent);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--btn-c) 18%, transparent),
    0 8px 32px rgba(0,0,0,.45),
    0 0 44px color-mix(in srgb, var(--btn-c) 14%, transparent);
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--btn-c) 18%, var(--surface)),
    color-mix(in srgb, var(--btn-c) 10%, var(--surface2))
  );
}

.bsaber-btn:hover::before { width: 6px; }

/* ─── Label ─── */
.bsaber-label {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--text);
  z-index: 1;
  flex-shrink: 0;
  pointer-events: none;
  user-select: none;
  transition: transform .22s ease-in-out 40ms;
}

/* Shift label toward the top half to make room for description below */
.bsaber-btn:hover .bsaber-label {
  transform: translateY(-18px);
}

/* ─── Side texts ─── */
.bsaber-side {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  user-select: none;
}

/* Tag — sits at the top center, slides down into view on hover */
.bsaber-side-left {
  top: 11px;
  left: 0; right: 0;
  text-align: center;
  transform: translateY(-6px);
  font-size: .6rem;
  font-weight: 900;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--btn-c);
  transition: opacity .2s ease .10s, transform .26s ease .10s;
}

.bsaber-btn:hover .bsaber-side-left {
  opacity: 1;
  transform: translateY(0);
}

/* Description — bottom center, wraps to two lines, slides up into view */
.bsaber-side-right {
  bottom: 12px;
  left: 0; right: 0;
  transform: translateY(8px);
  text-align: center;
  font-size: .78rem;
  color: var(--text-dim);
  line-height: 1.35;
  padding: 0 20px;
  white-space: normal;
  transition: opacity .22s ease .16s, transform .3s ease .16s;
}

.bsaber-btn:hover .bsaber-side-right {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Wind stripe ─── */
.bsaber-wind-stripe {
  position: absolute;
  top: 0; bottom: 0;
  left: 0;
  width: 55px;
  background: linear-gradient(
    to right,
    transparent 0%,
    rgba(255,255,255,.11) 50%,
    transparent 100%
  );
  transform: translateX(-80px) skewX(-10deg);
  pointer-events: none;
  z-index: 3;
}

@keyframes bsaber-wind-sweep {
  from { transform: translateX(-80px)  skewX(-10deg); }
  to   { transform: translateX(340px)  skewX(-10deg); }
}

/* ══════════════════════════════ RB LOBBY ════════════════════════════════════ */

.rb-lobby {
  display: flex;
  flex-direction: column;
  width: min(980px, 96vw);
  height: min(660px, 90vh);
  gap: .8rem;
}

/* ── Header bar ── */
.rb-lobby-header {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .65rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  flex-shrink: 0;
}

.rb-room-pill {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-shrink: 0;
}

.rb-room-pill-label {
  font-size: .58rem;
  font-weight: 900;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.rb-room-code { font-size: .92rem !important; }

.rb-share-hint {
  flex: 1;
  font-size: .72rem;
  color: var(--text-dim);
  margin: 0; padding: 0;
  border: none;
  text-align: center;
}

.rb-lobby-actions {
  display: flex;
  gap: .45rem;
  margin-left: auto;
  flex-shrink: 0;
}

/* ── Panels grid ── */
.rb-lobby-panels {
  display: grid;
  grid-template-columns: 190px 1fr 258px;
  gap: .8rem;
  flex: 1;
  min-height: 0;
}

/* ── Base panel ── */
.rb-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.rb-panel-players { border-top: 2px solid var(--accent2); }
.rb-panel-stage   { border-top: 2px solid var(--purple);  }
.rb-panel-config  { border-top: 2px solid var(--accent);  }

.rb-panel-head {
  padding: .6rem 1rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: .45rem;
}

.rb-panel-players .rb-panel-head::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent2);
  box-shadow: 0 0 7px var(--accent2);
  flex-shrink: 0;
}

.rb-panel-stage .rb-panel-head::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--purple);
  box-shadow: 0 0 7px var(--purple);
  flex-shrink: 0;
}

.rb-panel-config .rb-panel-head::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 7px var(--accent);
  flex-shrink: 0;
}

.rb-panel-title {
  font-size: .6rem;
  font-weight: 900;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.rb-section-label {
  font-size: .58rem;
  font-weight: 900;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 0 .85rem;
  margin: .7rem 0 .35rem;
}

/* ── Player panel ── */
.rb-player-list {
  padding: .5rem;
  display: flex;
  flex-direction: column;
  gap: .3rem;
  overflow-y: auto;
  flex: 1;
}

.rb-panel-players .player-item {
  border-radius: 7px;
  border-left: 3px solid var(--border);
  padding: .5rem .7rem;
  font-size: .88rem;
  transition: border-left-color .2s ease, background .2s ease;
}

.rb-panel-players .player-item:has(.diff-easy)   { border-left-color: var(--accent); }
.rb-panel-players .player-item:has(.diff-normal) { border-left-color: var(--accent2); }
.rb-panel-players .player-item:has(.diff-hard)   { border-left-color: var(--danger); }

/* ── Stage panel ── */
.rb-stage-inner {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow-y: auto;
  padding-bottom: .75rem;
}

.rb-diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .4rem;
  padding: 0 .85rem;
  margin-bottom: 0;
}

.rb-diff-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .3rem;
  height: 72px;
  padding: .5rem .2rem;
  border-radius: 8px;
  line-height: 1;
  border-width: 2px;
}

.rb-diff-tier {
  font-size: .85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.rb-diff-lanes {
  font-size: .6rem;
  color: var(--text-dim);
  font-family: monospace;
  letter-spacing: .02em;
}

/* Per-difficulty colours */
.rb-diff-btn[data-diff="easy"]:hover,
.rb-diff-btn[data-diff="easy"].selected  { border-color: var(--accent);  color: var(--accent);  background: rgba(107,203,119,.12); }
.rb-diff-btn[data-diff="normal"]:hover,
.rb-diff-btn[data-diff="normal"].selected{ border-color: var(--accent2); color: var(--accent2); background: rgba(77,150,255,.12);  }
.rb-diff-btn[data-diff="hard"]:hover,
.rb-diff-btn[data-diff="hard"].selected  { border-color: var(--danger);  color: var(--danger);  background: rgba(255,107,107,.12); }

.rb-diff-btn[data-diff="easy"].selected .rb-diff-lanes   { color: var(--accent);  opacity: .7; }
.rb-diff-btn[data-diff="normal"].selected .rb-diff-lanes { color: var(--accent2); opacity: .7; }
.rb-diff-btn[data-diff="hard"].selected .rb-diff-lanes   { color: var(--danger);  opacity: .7; }

/* Personal settings */
.rb-personal {
  padding: 0 .85rem;
  margin-bottom: .3rem;
}

.rb-setting-row {
  gap: .55rem;
  margin-bottom: .3rem;
}

/* Guest waiting state */
.rb-guest-waiting {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  color: var(--text-dim);
  font-size: .86rem;
  padding: 1.5rem 0;
}

.rb-waiting-dots {
  display: flex;
  gap: .35rem;
}

.rb-waiting-dots span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent2);
  animation: rb-dot-pulse 1.4s ease-in-out infinite;
}

.rb-waiting-dots span:nth-child(2) { animation-delay: .2s; }
.rb-waiting-dots span:nth-child(3) { animation-delay: .4s; }

@keyframes rb-dot-pulse {
  0%, 80%, 100% { transform: scale(.55); opacity: .35; }
  40%           { transform: scale(1);   opacity: 1;   }
}

/* ── Config panel ── */
.rb-guest-config-msg {
  font-size: .78rem;
  color: var(--text-dim);
  text-align: center;
  padding: 1.5rem 1.2rem;
  line-height: 1.5;
}

/* Hide guest message when host-controls is visible */
#host-controls:not(.hidden) ~ .rb-guest-config-msg,
.rb-panel-config:has(#host-controls:not(.hidden)) .rb-guest-config-msg {
  display: none;
}

.rb-config-inner {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 0 .85rem .85rem;
  overflow-y: auto;
  gap: .15rem;
}

.rb-config-inner .rb-section-label { padding: 0; }

.rb-upload {
  font-size: .8rem;
  padding: .5rem .75rem;
  margin-bottom: .25rem;
}

.rb-browse-btn {
  font-size: .8rem !important;
  padding: .5rem !important;
  margin-top: .2rem;
}

.rb-mode-select {
  width: 100%;
  margin-bottom: .1rem;
}

.rb-toggle-row {
  justify-content: space-between;
}

.rb-mod-row {
  flex-direction: column;
  align-items: flex-start;
  gap: .3rem;
}

.rb-mod-badges {
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
}

.rb-mod-badge {
  display: flex;
  align-items: center;
  gap: .28rem;
  padding: .22rem .55rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: .74rem;
  cursor: pointer;
  transition: border-color .15s, background .15s, color .15s;
}

.rb-mod-badge:has(input:checked) {
  border-color: var(--purple);
  background: rgba(199,125,255,.14);
  color: var(--purple);
}

.rb-mod-badge input { display: none; }

/* Start button */
.rb-start-btn {
  margin-top: auto !important;
  padding: .85rem !important;
  font-size: 1rem !important;
  font-weight: 800 !important;
  letter-spacing: .08em !important;
  border-radius: 9px !important;
  background: linear-gradient(135deg, #7be48c 0%, #4faf62 100%) !important;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.18),
    0 0 16px rgba(107,203,119,.4) !important;
  transition: filter .15s ease, transform .13s ease, box-shadow .15s ease !important;
}

.rb-start-btn:not(:disabled):hover {
  filter: brightness(1.12);
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.18),
    0 0 24px rgba(107,203,119,.55) !important;
}

/* ═══════════════════════════ JOIN ROOM ══════════════════════════════════════ */

.rb-join-wrap {
  display: flex;
  flex-direction: column;
  width: min(820px, 96vw);
  height: min(640px, 90vh);
  gap: .75rem;
}

.rb-join-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .7rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  flex-shrink: 0;
}

.rb-join-title {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text);
}

.rb-guest-name-row input { width: 100%; }

.rb-join-form {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  flex-shrink: 0;
}

.rb-code-row {
  display: flex;
  gap: .6rem;
}

.rb-code-input {
  flex: 1;
  padding: .7rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: .95rem;
  outline: none;
  transition: border-color .2s;
}

.rb-code-input:focus { border-color: var(--accent2); }

.rb-join-btn { flex-shrink: 0; }

.rb-join-hint {
  font-size: .72rem;
  color: var(--text-dim);
  margin: 0;
  padding: 0;
  border: none;
}

.rb-lobby-browser {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  flex: 1;
  min-height: 0;
}

.rb-browser-filters {
  display: flex;
  align-items: center;
  gap: .6rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.rb-filter-search {
  flex: 1;
  min-width: 160px;
  padding: .45rem .75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font-size: .85rem;
  outline: none;
  transition: border-color .2s;
}

.rb-filter-search:focus { border-color: var(--accent2); }

.rb-filter-select { min-width: 130px; flex-shrink: 0; }

.rb-filter-check {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .8rem;
  color: var(--text-dim);
  cursor: pointer;
  flex-shrink: 0;
  white-space: nowrap;
}

.rb-lobbies-status {
  font-size: .75rem;
  color: var(--text-dim);
  flex-shrink: 0;
}

.rb-lobbies-grid {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  overflow-y: auto;
  flex: 1;
}

/* Public lobby cards generated by JS */
.rb-lobbies-grid .public-lobby-item {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: .2rem .75rem;
  padding: .75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent2);
  border-radius: 9px;
  transition: border-color .2s, background .2s;
}

.rb-lobbies-grid .public-lobby-item:hover {
  border-color: var(--accent2);
  background: rgba(77,150,255,.05);
}

.rb-lobbies-grid .public-lobby-name {
  font-weight: 700;
  font-size: .92rem;
  color: var(--text);
  grid-row: 1;
  grid-column: 1;
}

.rb-lobbies-grid .public-lobby-badge {
  grid-row: 1;
  grid-column: 2;
  align-self: center;
  padding: .18rem .55rem;
  border-radius: 20px;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.rb-lobbies-grid .public-lobby-badge.waiting {
  background: rgba(107,203,119,.18);
  color: var(--accent);
  border: 1px solid rgba(107,203,119,.3);
}

.rb-lobbies-grid .public-lobby-badge.playing {
  background: rgba(255,159,67,.18);
  color: var(--orange);
  border: 1px solid rgba(255,159,67,.3);
}

.rb-lobbies-grid .public-lobby-meta {
  font-size: .75rem;
  color: var(--text-dim);
  grid-row: 2;
  grid-column: 1 / 3;
}

.rb-lobbies-grid .public-lobby-row:last-child {
  grid-row: 2;
  grid-column: 2;
  align-self: end;
  justify-self: end;
}

/* ═══════════════════════════ RESULTS SCREEN ══════════════════════════════════ */

.rb-results {
  display: flex;
  flex-direction: column;
  width: min(900px, 96vw);
  height: min(660px, 90vh);
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.rb-results-header {
  padding: 1rem 1.5rem .85rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.rb-results-title {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: .18em;
  color: var(--text);
  margin: 0;
}

.rb-results-body {
  display: grid;
  grid-template-columns: 1fr 300px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.rb-results-list {
  overflow-y: auto;
  padding: .85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

/* JS-generated result rows */
.rb-results-list .result-row {
  display: grid;
  grid-template-columns: 52px 1fr 44px 1fr;
  align-items: center;
  gap: .6rem;
  padding: .8rem 1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 9px;
  transition: background .2s;
}

.rb-results-list .result-row:has(.rank-1) {
  border-color: #f5c518;
  background: rgba(245,197,24,.07);
}

.rb-results-list .result-row:has(.rank-2) {
  border-color: #a0a0b0;
  background: rgba(160,160,176,.06);
}

.rb-results-list .result-row:has(.rank-3) {
  border-color: var(--orange);
  background: rgba(255,159,67,.06);
}

.rb-results-list .result-rank {
  font-size: 1.6rem;
  text-align: center;
  line-height: 1;
}

.rb-results-list .result-name {
  font-weight: 700;
  font-size: .92rem;
  line-height: 1.4;
}

.rb-results-list .result-grade {
  font-size: 1.3rem;
  font-weight: 900;
  text-align: center;
}

.rb-results-list .grade-S, .rb-results-list .grade-SS { color: var(--accent); }
.rb-results-list .grade-A                             { color: var(--accent2); }
.rb-results-list .grade-B                             { color: var(--warn); }
.rb-results-list .grade-C                             { color: var(--orange); }
.rb-results-list .grade-D, .rb-results-list .grade-F  { color: var(--danger); }

.rb-results-list .result-score {
  font-size: 1.1rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.rb-results-list .result-stats {
  font-size: .72rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-top: .15rem;
}

.rb-results-sidebar {
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: .85rem;
  gap: .75rem;
}

.rb-analytics {
  flex: 1;
}

.results-analytics-panel { font-size: .8rem; }

.results-analytics-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .4rem;
  margin-bottom: .75rem;
}

.analytics-metric {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .5rem .65rem;
  display: flex;
  flex-direction: column;
  gap: .15rem;
}

.analytics-metric span { font-size: .65rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: .1em; }
.analytics-metric strong { font-size: 1.1rem; font-weight: 800; color: var(--text); }

.analytics-section { margin-bottom: .6rem; }
.analytics-label { font-size: .62rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; color: var(--text-dim); margin-bottom: .35rem; }

.analytics-causes { display: flex; flex-wrap: wrap; gap: .3rem; }
.analytics-chip {
  padding: .18rem .5rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: .7rem;
  color: var(--text-dim);
}

.analytics-chart {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 50px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px;
}

.analytics-bar-wrap { flex: 1; display: flex; align-items: flex-end; height: 100%; }
.analytics-bar { width: 100%; background: var(--accent2); border-radius: 2px; opacity: .7; min-height: 3px; }

.rb-rematch-status {
  font-size: .8rem;
  color: var(--text-dim);
  text-align: center;
  padding: .35rem;
  background: var(--surface2);
  border-radius: 6px;
  border: 1px solid var(--border);
}

.rb-results-btns {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-top: auto;
}

.rb-results-btns .btn { width: 100%; }

/* ═══════════════════════════ CALIBRATE ══════════════════════════════════════ */

.rb-calibrate {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  width: min(420px, 92vw);
  text-align: center;
}

.rb-cal-eyebrow {
  font-size: .6rem;
  font-weight: 900;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0;
}

.rb-cal-title {
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: .06em;
  color: var(--text);
  margin: 0;
  line-height: 1;
}

.rb-cal-desc {
  font-size: .84rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin: 0;
  max-width: 320px;
}

.rb-cal-stage {
  position: relative;
  width: 160px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: .5rem 0;
}

/* Decorative ring — same size as the beat circle, explicitly centered */
.rb-cal-ring {
  position: absolute;
  width: 140px;
  height: 140px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 2px solid var(--border);
}

.rb-cal-outer {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

/* Force #cal-beat-outer to be square so the circle doesn't stretch */
#screen-calibrate #cal-beat-outer {
  width: 120px;
  height: 120px;
  flex-shrink: 0;
}

.rb-cal-beat {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent2) 0%, rgba(77,150,255,.4) 60%, transparent 100%);
  box-shadow: 0 0 30px rgba(77,150,255,.4), 0 0 60px rgba(77,150,255,.15);
  transition: transform .08s ease, box-shadow .08s ease;
}

.rb-cal-progress {
  font-size: .85rem;
  color: var(--text-dim);
  letter-spacing: .08em;
}

.rb-cal-result {
  font-size: .9rem;
  color: var(--accent);
  font-weight: 700;
  min-height: 1.2em;
}

.rb-cal-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  width: 100%;
}

.rb-cal-offset-row {
  font-size: .84rem;
  color: var(--text-dim);
}

.rb-cal-offset-val {
  color: var(--accent2);
  font-size: 1rem;
}

.rb-cal-buttons {
  display: flex;
  gap: .6rem;
  justify-content: center;
}

/* ═══════════════════════════ SPECTATE ═══════════════════════════════════════ */

.rb-spectate-wrap {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
}

.rb-spectate-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .6rem 1.2rem;
  background: rgba(8,8,15,.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.rb-spectate-brand {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.rb-spec-eye { font-size: 1rem; }

.rb-spectate-title {
  font-size: .7rem;
  font-weight: 900;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.rb-spectate-controls {
  display: flex;
  gap: .75rem;
  margin-left: auto;
}

.rb-spec-control {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .75rem;
  color: var(--text-dim);
}

.rb-spec-select {
  padding: .3rem .5rem;
  font-size: .8rem;
}

.rb-spectate-grid {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1rem;
  justify-content: center;
  align-content: center;
  overflow-y: auto;
}

/* Spectate player cards generated by JS */
.rb-spectate-grid .spectate-player-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color .3s, box-shadow .3s;
}

.rb-spectate-grid .spectate-player-card.spec-leading {
  border-color: var(--warn);
  box-shadow: 0 0 20px rgba(255,217,61,.2);
}

.rb-spectate-grid .spectate-player-card.spec-focus {
  border-color: var(--accent2);
  box-shadow: 0 0 20px rgba(77,150,255,.2);
}

.rb-spectate-grid .spectate-player-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .45rem .75rem;
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid var(--border);
}

.rb-spectate-grid .spectate-player-name {
  font-size: .8rem;
  font-weight: 700;
  color: var(--text);
}

.rb-spectate-grid .spectate-player-score {
  font-size: .78rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent2);
}

/* ═══════════════════════════ PAUSE OVERLAY ══════════════════════════════════ */

.rb-pause-overlay {
  background: rgba(0,0,0,.72);
  backdrop-filter: blur(10px);
}

.rb-pause-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent2);
  border-radius: 14px;
  padding: 2rem 2.5rem;
  width: min(340px, 90vw);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
}

.rb-pause-title {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: .22em;
  color: var(--text);
}

.rb-pause-scores {
  font-size: .82rem;
  color: var(--text-dim);
  text-align: center;
  max-height: 120px;
  overflow-y: auto;
}

.rb-pause-btns {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  width: 100%;
}

.rb-pause-btn { width: 100% !important; }

.rb-pause-hint {
  font-size: .76rem;
  color: var(--text-dim);
}

/* ═══════════════════════════ ELIMINATED OVERLAY ════════════════════════════ */

.rb-elim-overlay {
  background: rgba(30,0,0,.85);
  backdrop-filter: blur(10px);
}

.ghost-banner {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 120;
  background: rgba(20, 0, 0, 0.82);
  border-bottom: 2px solid #ff4455;
  color: #ff6b7a;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 7px 24px;
  border-radius: 0 0 10px 10px;
  pointer-events: none;
  white-space: nowrap;
}

.rb-elim-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
  text-align: center;
}

.rb-elim-icon {
  font-size: 4rem;
  filter: drop-shadow(0 0 24px rgba(255,107,107,.6));
  animation: rb-elim-pulse 2s ease-in-out infinite;
}

@keyframes rb-elim-pulse {
  0%, 100% { transform: scale(1);    filter: drop-shadow(0 0 24px rgba(255,107,107,.6)); }
  50%       { transform: scale(1.08); filter: drop-shadow(0 0 40px rgba(255,107,107,.9)); }
}

.rb-elim-title {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: .2em;
  color: var(--danger);
  text-shadow: 0 0 40px rgba(255,107,107,.5);
}

.rb-elim-sub  { font-size: .92rem; color: var(--text-dim); }
.rb-elim-hint { font-size: .82rem; color: var(--text-dim); }
.rb-elim-btn  { margin-top: .4rem; }

/* ═══════════════════════════ MARATHON OVERLAY ═══════════════════════════════ */

.rb-playlist-overlay {
  background: rgba(0,0,0,.8);
  backdrop-filter: blur(12px);
}

.rb-pl-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--purple);
  border-radius: 14px;
  padding: 2.5rem 3rem;
  box-shadow: 0 0 60px rgba(199,125,255,.15);
  animation: rb-pl-appear .4s cubic-bezier(0.34,1.15,0.64,1) both;
}

@keyframes rb-pl-appear {
  from { transform: translateY(30px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.rb-pl-label {
  font-size: .62rem;
  font-weight: 900;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--purple);
}

.rb-pl-num {
  font-size: .82rem;
  color: var(--text-dim);
}

.rb-pl-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text);
  max-width: 380px;
}

.rb-pl-hint {
  font-size: .8rem;
  color: var(--text-dim);
  animation: rb-pl-blink 1.2s ease-in-out infinite;
}

@keyframes rb-pl-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: .35; }
}

/* ═══════════════════════════ SETTINGS OVERLAY ═══════════════════════════════ */

.rb-settings-overlay {
  align-items: stretch;
  justify-content: flex-end;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(6px);
}

.rb-settings-card {
  width: min(400px, 92vw);
  height: 100%;
  max-height: 100%;
  border-radius: 0;
  border-top: none;
  border-right: none;
  border-bottom: none;
  border-left: 2px solid var(--accent2);
  background: var(--surface);
  overflow-y: auto;
  animation: rb-settings-slide .28s cubic-bezier(0.25,1,0.5,1) both;
}

@keyframes rb-settings-slide {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}

.rb-settings-header {
  position: sticky;
  top: 0;
  background: var(--surface);
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--border);
  z-index: 2;
}

/* ── Sound settings rows ─────────────────────────────────────────────── */
.snd-row {
  display: flex;
  align-items: center;
  gap: .6rem;
}
.snd-label {
  min-width: 6.5rem;
  font-size: .82rem;
  color: var(--muted, #888);
  letter-spacing: .03em;
}
.snd-slider {
  flex: 1;
  height: 4px;
  accent-color: var(--accent);
  cursor: pointer;
}
.snd-mute-btn {
  font-size: .95rem;
  min-width: 2.2rem;
  padding: .15rem .35rem;
  transition: opacity .15s;
}
.snd-mute-btn[data-muted="1"] {
  opacity: .4;
  background: var(--surface2, #1a1a2e);
}

/* ══════════════════════════ SOUL ═══════════════════════════════════════════ */

/* ── Grain texture overlay ── */
.rb-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  opacity: .038;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='256' height='256'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='256' height='256' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 192px 192px;
  /* mix-blend-mode removed — was forcing expensive compositing layer */
}

/* ── Beat-reactive accent stripe on bsaber buttons ── */
.bsaber-btn::before {
  box-shadow: 0 0 6px var(--btn-c);
}

/* ── Beat-reactive panel top borders (lobby) ── */
.rb-panel-players { border-top: 2px solid var(--accent2); }
.rb-panel-stage   { border-top: 2px solid var(--purple);  }
.rb-panel-config  { border-top: 2px solid var(--accent);  }

/* ── Mixed border-radius — break the uniformity ── */
.lvl-diff, .lvl-chip, .code-badge,
.rb-room-code, .rb-lobbies-grid .public-lobby-badge,
.rb-mod-badge, .lvl-cached-badge,
.rb-waiting-dots span         { border-radius: 3px !important; }

.rb-diff-btn                  { border-radius: 6px; }
.bsaber-btn                   { border-radius: 6px; }
.bsaber-btn::before           { border-radius: 6px 0 0 6px; }

/* ── Debug UI font picker ── */
.debug-ui-section {
  border-top: 1px solid var(--border);
  padding-top: .65rem;
  margin-top: .35rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}

.debug-section-label {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.debug-font-select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: .82rem;
  padding: .38rem .55rem;
  cursor: pointer;
  outline: none;
  transition: border-color .15s;
}
.debug-font-select:focus { border-color: var(--accent2); }


/* ══════════════════ LANE LINES / PARTICLES / FOOTER / EMPTY STATES ════════ */

/* ── Lane background canvas ── */
#lane-bg {
  position: fixed;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: .35;
  transition: opacity .6s ease;
}
body.music-bg-active #lane-bg { opacity: .75; }

/* ── Floating particles ── */
.rb-particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.rb-particles span {
  position: absolute;
  border-radius: 50%;
  opacity: 0;
  animation: rb-particle-float linear infinite;
}

/* 24 particles — varied positions, sizes, colours, durations */
.rb-particles span:nth-child(1)  { left:  8%; width:  4px; height:  4px; background: var(--accent);  animation-duration: 12s; animation-delay:  0s; }
.rb-particles span:nth-child(2)  { left: 18%; width:  3px; height:  3px; background: var(--accent2); animation-duration: 17s; animation-delay: -4s; }
.rb-particles span:nth-child(3)  { left: 28%; width:  5px; height:  5px; background: var(--purple);  animation-duration: 10s; animation-delay: -7s; }
.rb-particles span:nth-child(4)  { left: 38%; width:  3px; height:  3px; background: var(--accent);  animation-duration: 15s; animation-delay: -2s; }
.rb-particles span:nth-child(5)  { left: 48%; width:  4px; height:  4px; background: var(--accent2); animation-duration: 11s; animation-delay: -9s; }
.rb-particles span:nth-child(6)  { left: 58%; width:  2px; height:  2px; background: var(--warn);    animation-duration: 19s; animation-delay: -1s; }
.rb-particles span:nth-child(7)  { left: 68%; width:  5px; height:  5px; background: var(--accent);  animation-duration: 13s; animation-delay: -5s; }
.rb-particles span:nth-child(8)  { left: 78%; width:  3px; height:  3px; background: var(--purple);  animation-duration: 16s; animation-delay: -3s; }
.rb-particles span:nth-child(9)  { left: 88%; width:  4px; height:  4px; background: var(--accent2); animation-duration: 14s; animation-delay: -8s; }
.rb-particles span:nth-child(10) { left: 93%; width:  2px; height:  2px; background: var(--accent);  animation-duration: 20s; animation-delay: -6s; }
.rb-particles span:nth-child(11) { left:  3%; width:  3px; height:  3px; background: var(--accent2); animation-duration: 18s; animation-delay:-11s; }
.rb-particles span:nth-child(12) { left: 13%; width:  5px; height:  5px; background: var(--purple);  animation-duration:  9s; animation-delay: -2s; }
.rb-particles span:nth-child(13) { left: 23%; width:  2px; height:  2px; background: var(--warn);    animation-duration: 22s; animation-delay:-13s; }
.rb-particles span:nth-child(14) { left: 33%; width:  4px; height:  4px; background: var(--accent);  animation-duration: 11s; animation-delay: -4s; }
.rb-particles span:nth-child(15) { left: 43%; width:  3px; height:  3px; background: var(--accent2); animation-duration: 16s; animation-delay:-10s; }
.rb-particles span:nth-child(16) { left: 53%; width:  5px; height:  5px; background: var(--accent);  animation-duration: 13s; animation-delay: -7s; }
.rb-particles span:nth-child(17) { left: 63%; width:  2px; height:  2px; background: var(--purple);  animation-duration: 21s; animation-delay: -1s; }
.rb-particles span:nth-child(18) { left: 73%; width:  4px; height:  4px; background: var(--warn);    animation-duration: 15s; animation-delay:-14s; }
.rb-particles span:nth-child(19) { left: 83%; width:  3px; height:  3px; background: var(--accent2); animation-duration: 12s; animation-delay: -5s; }
.rb-particles span:nth-child(20) { left: 96%; width:  5px; height:  5px; background: var(--accent);  animation-duration: 17s; animation-delay: -9s; }
.rb-particles span:nth-child(21) { left: 11%; width:  2px; height:  2px; background: var(--purple);  animation-duration: 14s; animation-delay: -3s; }
.rb-particles span:nth-child(22) { left: 46%; width:  4px; height:  4px; background: var(--accent2); animation-duration: 19s; animation-delay:-16s; }
.rb-particles span:nth-child(23) { left: 71%; width:  3px; height:  3px; background: var(--accent);  animation-duration: 10s; animation-delay: -8s; }
.rb-particles span:nth-child(24) { left: 91%; width:  2px; height:  2px; background: var(--warn);    animation-duration: 23s; animation-delay: -6s; }

@keyframes rb-particle-float {
  0%   { bottom: -8px; opacity: 0; transform: translateX(0) scale(1); }
  10%  { opacity: calc(0.18 + var(--music-beat, 0) * 0.28); }
  50%  { transform: translateX(calc((var(--cursor-x, .5) - .5) * 30px)) scale(calc(1 + var(--music-beat, 0) * .4)); }
  90%  { opacity: calc(0.12 + var(--music-beat, 0) * 0.20); }
  100% { bottom: 105vh; opacity: 0; transform: translateX(0) scale(1); }
}

/* Hide particles during gameplay */
#screen-game.screen.active ~ .rb-particles,
body:not(.music-bg-active) .rb-particles { opacity: 0.35; }
body.music-bg-active .rb-particles { opacity: 1; }

/* ── Main menu footer ── */
.bsaber-footer {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .68rem;
  color: var(--text-dim);
  opacity: .6;
  margin-top: .5rem;
  letter-spacing: .04em;
}

.menu-conn-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-dim);
  flex-shrink: 0;
  transition: background .4s ease, box-shadow .4s ease;
}
.menu-conn-dot.connected {
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}
.menu-conn-dot.error {
  background: var(--danger);
  box-shadow: 0 0 6px var(--danger);
}

.menu-conn-text { flex: 1; }
.menu-version   { opacity: .5; }

/* ── Lobby now-playing / empty state ── */
.rb-now-playing {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .65rem .85rem;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-left: 3px solid var(--purple);
  border-radius: 8px;
  margin: 0 .85rem .1rem;
  animation: rb-np-appear .3s ease;
}

@keyframes rb-np-appear {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.rb-np-art {
  width: 42px; height: 42px;
  border-radius: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: var(--text-dim);
  flex-shrink: 0;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}

.rb-np-info { display: flex; flex-direction: column; gap: .1rem; min-width: 0; }
.rb-np-title  { font-size: .88rem; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rb-np-artist { font-size: .72rem; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.rb-no-song {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem 1rem;
  margin: 0 .85rem .1rem;
  border: 1px dashed var(--border);
  border-radius: 8px;
  opacity: .45;
}
.rb-no-song-icon { font-size: 1.1rem; color: var(--text-dim); }
.rb-no-song-text { font-size: .78rem; color: var(--text-dim); letter-spacing: .04em; }

/* ── Level card — new rating system ── */
/* Key count chips (replaces old easy/normal/hard) */
.lvl-keys {
  font-size: .68rem; font-weight: 700;
  padding: .18rem .42rem;
  border-radius: 3px;
  text-transform: none;
  letter-spacing: .02em;
  background: rgba(255,255,255,.07);
  color: var(--text-dim);
  border: 1px solid rgba(255,255,255,.1);
}

/* Overall difficulty badge */
.lvl-overall {
  font-size: .68rem; font-weight: 800;
  padding: .18rem .48rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-right: .1rem;
}
.lvl-overall-easy   { background: rgba(107,203,119,.18); color: #6bcb77; border: 1px solid rgba(107,203,119,.3); }
.lvl-overall-medium { background: rgba(255,211,61,.16);  color: #ffd93d; border: 1px solid rgba(255,211,61,.3); }
.lvl-overall-hard   { background: rgba(255,107,107,.18); color: #ff6b6b; border: 1px solid rgba(255,107,107,.3); }
.lvl-overall-expert { background: rgba(199,125,255,.18); color: #c77dff; border: 1px solid rgba(199,125,255,.3); }

/* Modded badge + tooltip */
.lvl-mod-row { min-height: 0; }
.lvl-modded-wrap {
  position: relative;
  display: inline-block;
}
.lvl-modded {
  display: inline-block;
  font-size: .65rem; font-weight: 800;
  padding: .15rem .4rem;
  border-radius: 3px;
  background: rgba(255,159,67,.15);
  color: var(--orange);
  border: 1px solid rgba(255,159,67,.35);
  cursor: help;
  letter-spacing: .04em;
}
.lvl-modded-tip {
  display: none;
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  width: 220px;
  background: #1c1c2e;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .55rem .7rem;
  font-size: .74rem;
  color: var(--text-dim);
  line-height: 1.45;
  z-index: 99;
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(0,0,0,.5);
}
.lvl-modded-wrap:hover .lvl-modded-tip { display: block; }

/* ═══════════════════════════════════════════════════════════════════════════
   RB UNIFIED DESIGN SYSTEM — carries the main menu aesthetic to every screen
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Wind-sweep animation (CSS-only, for non-bsaber buttons) ──────────────── */
@keyframes rb-sweep {
  from { left: -80px; }
  to   { left: calc(100% + 80px); }
}

.rb-sweep {
  position: absolute;
  top: 0; bottom: 0;
  left: -80px;
  width: 55px;
  background: linear-gradient(to right,
    transparent 0%,
    rgba(255,255,255,.18) 50%,
    transparent 100%
  );
  transform: skewX(-10deg);
  pointer-events: none;
  z-index: 3;
}

/* ── Global button enhancements ──────────────────────────────────────────── */

/* All buttons get smooth transitions by default */
.btn {
  position: relative;
  overflow: hidden;
  transition: filter .15s ease, transform .15s ease,
              box-shadow .18s ease, border-color .18s ease,
              background .18s ease, color .15s ease;
}

/* Corner utility buttons must stay fixed — restore after the generic .btn rule */
.settings-corner-btn,
.account-corner-btn,
.debug-open {
  position: fixed !important;
}

/* Primary — green glow + wind sweep on hover */
.btn-primary:not(:disabled):hover {
  filter: brightness(1.1);
  box-shadow:
    0 4px 20px rgba(0,0,0,.3),
    0 0 22px rgba(107,203,119,.35);
  transform: translateY(-1px);
}
.btn-primary:not(:disabled):hover .rb-sweep {
  animation: rb-sweep .45s ease forwards;
}
.btn-primary:not(:disabled):active {
  transform: translateY(0);
  filter: brightness(.95);
}

/* Secondary — accent2 glow on hover */
.btn-secondary:hover {
  border-color: var(--accent2);
  color: var(--text);
  box-shadow: 0 0 16px rgba(77,150,255,.22);
  transform: translateY(-1px);
}
.btn-secondary:active { transform: translateY(0); }

/* Small — subtle brighten */
.btn-small:hover {
  border-color: color-mix(in srgb, var(--accent2) 50%, var(--border));
  color: var(--text);
  background: var(--surface);
}

/* Danger — red glow */
.btn-danger:hover {
  box-shadow: 0 0 16px rgba(255,107,107,.3);
  transform: translateY(-1px);
}

/* ── Navigation back button ──────────────────────────────────────────────── */
.rb-nav-back {
  border-left: 3px solid var(--accent2) !important;
  background: color-mix(in srgb, var(--accent2) 8%, var(--surface2)) !important;
  transition: transform .2s cubic-bezier(0.25,1,0.5,1),
              background .18s ease, box-shadow .18s ease !important;
}
.rb-nav-back:hover {
  background: color-mix(in srgb, var(--accent2) 15%, var(--surface2)) !important;
  box-shadow: 0 0 18px rgba(77,150,255,.25) !important;
  transform: translateX(-3px) !important;
  border-color: var(--accent2) !important;
}

/* ── Screen title (non-menu screens) ─────────────────────────────────────── */
.rb-screen-title {
  flex: 1;
  text-align: center;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text);
  margin: 0;
}

/* ── Universal section label with accent stripe ──────────────────────────── */
.rb-section-label,
.settings-section-title {
  position: relative;
  padding-left: .7rem;
}
.rb-section-label::before,
.settings-section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: .1em; bottom: .1em;
  width: 2px;
  background: var(--accent2);
  border-radius: 2px;
}

/* ── Room code — more prominent everywhere ───────────────────────────────── */
.code-badge, .rb-room-code {
  background: color-mix(in srgb, var(--accent2) 10%, var(--surface)) !important;
  border-color: color-mix(in srgb, var(--accent2) 30%, var(--border)) !important;
  color: var(--accent2) !important;
  box-shadow: 0 0 14px rgba(77,150,255,.18) !important;
  letter-spacing: .08em;
}

/* ═══════════════════════════ LEVEL BROWSER ═════════════════════════════════ */

.levels-wrap {
  max-height: 93vh;
}

/* Header as a card */
.levels-header {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent2);
  border-bottom: 1px solid var(--border);
  border-radius: 10px;
  padding: .75rem 1rem;
  position: relative;
  overflow: hidden;
}

/* Top highlight sliver on levels header */
.levels-header::after {
  content: '';
  position: absolute;
  top: 0; left: 4px; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.1), transparent);
  pointer-events: none;
}

/* Filter bar as a card */
.levels-filters {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .65rem .9rem;
  gap: .55rem;
}

/* Level card redesign */
.level-card {
  position: relative;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--accent2) 4%, var(--surface)),
    var(--surface2)
  );
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition:
    transform .22s cubic-bezier(0.25,1,0.5,1),
    border-color .2s ease,
    box-shadow .22s ease;
}
.level-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent2);
  box-shadow:
    0 10px 36px rgba(0,0,0,.4),
    0 0 26px rgba(77,150,255,.18);
}

/* Top highlight sliver on cards */
.level-card::before {
  content: '';
  position: absolute;
  top: 0; left: 3px; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.1), transparent);
  pointer-events: none;
  z-index: 1;
}

/* Left stripe colour by difficulty */
.level-card:has(.lvl-overall-easy)   { border-left-color: var(--accent);  }
.level-card:has(.lvl-overall-medium) { border-left-color: #ffd93d;        }
.level-card:has(.lvl-overall-hard)   { border-left-color: var(--orange);  }
.level-card:has(.lvl-overall-expert) { border-left-color: var(--danger);  }

/* Glow matches stripe on hover */
.level-card:has(.lvl-overall-easy):hover   { border-color: var(--accent);  box-shadow: 0 10px 36px rgba(0,0,0,.4), 0 0 26px rgba(107,203,119,.2);  }
.level-card:has(.lvl-overall-medium):hover { border-color: #ffd93d;        box-shadow: 0 10px 36px rgba(0,0,0,.4), 0 0 26px rgba(255,217,61,.18);   }
.level-card:has(.lvl-overall-hard):hover   { border-color: var(--orange);  box-shadow: 0 10px 36px rgba(0,0,0,.4), 0 0 26px rgba(255,159,67,.2);    }
.level-card:has(.lvl-overall-expert):hover { border-color: var(--danger);  box-shadow: 0 10px 36px rgba(0,0,0,.4), 0 0 26px rgba(255,107,107,.2);   }

/* Card action buttons */
.lvl-btn-load     { background: color-mix(in srgb, var(--accent)  12%, var(--surface2)) !important; border-color: rgba(107,203,119,.3) !important; color: var(--accent) !important; }
.lvl-btn-download { background: color-mix(in srgb, var(--accent2) 12%, var(--surface2)) !important; border-color: rgba(77,150,255,.3)  !important; color: var(--accent2)!important; }
.lvl-btn-redownload { background: color-mix(in srgb, var(--orange) 10%, var(--surface2)) !important; border-color: rgba(255,159,67,.3) !important; color: var(--orange) !important; }

.lvl-btn-load:hover     { box-shadow: 0 0 16px rgba(107,203,119,.3) !important; }
.lvl-btn-download:hover { box-shadow: 0 0 16px rgba(77,150,255,.3)  !important; }

/* ═══════════════════════════ JOIN ROOM ═════════════════════════════════════ */

/* Header with accent2 stripe */
.rb-join-header {
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--accent2) 7%, var(--surface)),
    var(--surface)
  );
  border-left: 4px solid var(--accent2);
  border-color: color-mix(in srgb, var(--accent2) 25%, var(--border));
  position: relative;
  overflow: hidden;
}
.rb-join-header::after {
  content: '';
  position: absolute;
  top: 0; left: 4px; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.1), transparent);
  pointer-events: none;
}

.rb-join-title {
  font-size: 1.1rem;
  letter-spacing: .2em;
  color: var(--accent2);
  text-shadow: 0 0 20px rgba(77,150,255,.3);
}

/* Room code input — more prominent */
.rb-code-input {
  background: color-mix(in srgb, var(--accent2) 5%, var(--surface)) !important;
  border-color: color-mix(in srgb, var(--accent2) 22%, var(--border)) !important;
  font-size: 1rem;
  letter-spacing: .04em;
  transition: border-color .2s, box-shadow .2s;
}
.rb-code-input:focus {
  border-color: var(--accent2) !important;
  box-shadow: 0 0 0 2px rgba(77,150,255,.15), 0 0 22px rgba(77,150,255,.12) !important;
}

/* Lobby cards — slide on hover */
.rb-lobbies-grid .public-lobby-item {
  cursor: pointer;
  transition: transform .2s cubic-bezier(0.25,1,0.5,1),
              border-color .2s, box-shadow .2s, background .2s;
}
.rb-lobbies-grid .public-lobby-item:hover {
  transform: translateX(5px);
  border-color: var(--accent2);
  background: color-mix(in srgb, var(--accent2) 7%, var(--surface));
  box-shadow: 0 0 22px rgba(77,150,255,.2);
}

/* ═══════════════════════════ LOBBY ═════════════════════════════════════════ */

/* Lobby header card */
.rb-lobby-header {
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--accent2) 5%, var(--surface)),
    var(--surface)
  );
  border-left: 4px solid var(--accent2);
  border-color: color-mix(in srgb, var(--accent2) 22%, var(--border));
  position: relative;
  overflow: hidden;
}
.rb-lobby-header::after {
  content: '';
  position: absolute;
  top: 0; left: 4px; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.1), transparent);
  pointer-events: none;
}

/* Panel entry animation */
.rb-panel {
  animation: rb-panel-in .3s cubic-bezier(0.25,1,0.5,1) both;
}
.rb-panel-players { animation-delay: .05s; }
.rb-panel-stage   { animation-delay: .10s; }
.rb-panel-config  { animation-delay: .15s; }

@keyframes rb-panel-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Browse levels button — accent2 stripe */
#btn-browse-levels {
  border-left: 3px solid var(--accent2) !important;
  background: color-mix(in srgb, var(--accent2) 10%, var(--surface2)) !important;
  border-color: color-mix(in srgb, var(--accent2) 28%, var(--border)) !important;
  color: var(--accent2) !important;
  font-weight: 700 !important;
}
#btn-browse-levels:hover {
  background: color-mix(in srgb, var(--accent2) 18%, var(--surface2)) !important;
  box-shadow: 0 0 22px rgba(77,150,255,.28) !important;
  transform: translateY(-2px) !important;
}
#btn-browse-levels:hover .rb-sweep {
  animation: rb-sweep .45s ease forwards;
}

/* Diff buttons — scale + glow on hover */
.rb-diff-btn {
  transition: transform .18s cubic-bezier(0.25,1,0.5,1),
              border-color .18s ease, box-shadow .18s ease,
              background .18s ease, color .18s ease !important;
}
.rb-diff-btn:hover { transform: scale(1.04); }
.rb-diff-btn[data-diff="easy"]:hover   { box-shadow: 0 0 16px rgba(107,203,119,.3); }
.rb-diff-btn[data-diff="normal"]:hover { box-shadow: 0 0 16px rgba(77,150,255,.3);  }
.rb-diff-btn[data-diff="hard"]:hover   { box-shadow: 0 0 16px rgba(255,107,107,.3); }

/* ═══════════════════════════ CALIBRATE ═════════════════════════════════════ */

/* Wrap calibrate in a card */
.rb-calibrate {
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--accent2) 5%, var(--surface)),
    var(--surface)
  );
  border: 1px solid color-mix(in srgb, var(--accent2) 22%, var(--border));
  border-top: 3px solid var(--accent2);
  border-radius: 16px;
  padding: 2.5rem 2.5rem 2rem;
  box-shadow: 0 0 60px rgba(77,150,255,.1), var(--shadow);
  position: relative;
  overflow: hidden;
}

/* Animate calibrate card on entry (overridden to none in nav-rail mode below) */
#screen-calibrate .rb-calibrate {
  animation: rb-cal-in .3s cubic-bezier(0.25,1,0.5,1) both;
}

@keyframes rb-cal-in {
  from { opacity: 0; transform: scale(.95); }
  to   { opacity: 1; transform: scale(1);   }
}

/* Top highlight on calibrate card */
.rb-calibrate::after {
  content: '';
  position: absolute;
  top: 0; left: 3px; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
  pointer-events: none;
}

/* Beat circle — stronger glow */
.rb-cal-beat {
  box-shadow: 0 0 40px rgba(77,150,255,.5), 0 0 80px rgba(77,150,255,.2) !important;
}

/* Decorative ring glow */
.rb-cal-ring {
  border-color: color-mix(in srgb, var(--accent2) 30%, var(--border)) !important;
  box-shadow: 0 0 20px rgba(77,150,255,.1);
}

/* ═══════════════════════════ RESULTS ═══════════════════════════════════════ */

/* Results container */
.rb-results {
  border-top: 3px solid var(--accent2) !important;
  box-shadow: 0 0 60px rgba(77,150,255,.08), var(--shadow) !important;
  animation: rb-results-in .35s cubic-bezier(0.25,1,0.5,1) both;
}

@keyframes rb-results-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Results header — gradient title */
.rb-results-header {
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--accent2) 6%, var(--surface)),
    var(--surface)
  );
}

.rb-results-title {
  font-size: 1.8rem !important;
  letter-spacing: .28em !important;
  background: linear-gradient(135deg, var(--text) 30%, var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Result rows — left stripe by rank */
.rb-results-list .result-row {
  border-left: 3px solid var(--border);
  transition: transform .15s ease, background .2s !important;
}
.rb-results-list .result-row:hover {
  transform: translateX(3px);
}
.rb-results-list .result-row:has(.rank-1) { border-left-color: #f5c518; }
.rb-results-list .result-row:has(.rank-2) { border-left-color: #a0a0b0; }
.rb-results-list .result-row:has(.rank-3) { border-left-color: var(--orange); }

/* Play Again / Rematch — bsaber-style */
#btn-play-again,
#btn-rematch-vote {
  position: relative;
  height: 52px;
  border-left: 3px solid var(--accent) !important;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--accent) 14%, var(--surface)),
    color-mix(in srgb, var(--accent)  7%, var(--surface2))
  ) !important;
  border-color: color-mix(in srgb, var(--accent) 32%, transparent) !important;
  color: var(--text) !important;
  font-weight: 800 !important;
  letter-spacing: .08em !important;
  overflow: hidden;
  transition: border-color .2s, box-shadow .22s, transform .18s, filter .15s !important;
}
#btn-play-again:not(.hidden):hover,
#btn-rematch-vote:not(.hidden):hover {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent) !important;
  box-shadow: 0 0 28px rgba(107,203,119,.3) !important;
  transform: translateY(-2px) !important;
  filter: brightness(1.1) !important;
}
#btn-play-again:not(.hidden):hover .rb-sweep,
#btn-rematch-vote:not(.hidden):hover .rb-sweep {
  animation: rb-sweep .45s ease forwards;
}

/* Main Menu button in results */
#btn-main-menu {
  border-left: 3px solid var(--accent2) !important;
  background: color-mix(in srgb, var(--accent2) 8%, var(--surface2)) !important;
}
#btn-main-menu:hover {
  border-color: var(--accent2) !important;
  box-shadow: 0 0 18px rgba(77,150,255,.25) !important;
}

/* ═══════════════════════════ PAUSE OVERLAY ═════════════════════════════════ */

/* Pause card — stronger accent + entry animation */
.rb-pause-card {
  border-top: 3px solid var(--accent2) !important;
  border-left: 3px solid var(--accent2) !important;
  box-shadow: 0 0 60px rgba(77,150,255,.18), 0 20px 60px rgba(0,0,0,.65) !important;
  animation: rb-pause-in .25s cubic-bezier(0.25,1,0.5,1) both !important;
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--accent2) 6%, var(--surface)),
    var(--surface)
  ) !important;
  position: relative;
  overflow: hidden;
}

@keyframes rb-pause-in {
  from { transform: scale(.92); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}

.rb-pause-card::after {
  content: '';
  position: absolute;
  top: 0; left: 3px; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.14), transparent);
  pointer-events: none;
}

.rb-pause-title {
  background: linear-gradient(135deg, var(--text) 30%, var(--accent2)) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
  font-size: 2.4rem !important;
}

.rb-pause-btn {
  position: relative;
  border-left: 3px solid transparent;
  transition: border-left-color .18s, box-shadow .18s, transform .15s !important;
}
#btn-resume {
  border-left-color: var(--accent) !important;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--accent) 14%, var(--surface)),
    color-mix(in srgb, var(--accent)  7%, var(--surface2))
  ) !important;
  border-color: color-mix(in srgb, var(--accent) 30%, transparent) !important;
  color: var(--text) !important;
  font-weight: 800 !important;
  letter-spacing: .06em;
}
#btn-resume:hover {
  box-shadow: 0 0 22px rgba(107,203,119,.3) !important;
  border-color: color-mix(in srgb, var(--accent) 55%, transparent) !important;
}
#btn-resume:hover .rb-sweep { animation: rb-sweep .45s ease forwards; }

#btn-pause-settings { border-left: 3px solid var(--accent2) !important; }
#btn-pause-settings:hover { border-color: var(--accent2) !important; box-shadow: 0 0 16px rgba(77,150,255,.22) !important; }

#btn-quit-game { border-left: 3px solid var(--danger) !important; }
#btn-quit-game:hover { border-color: var(--danger) !important; box-shadow: 0 0 16px rgba(255,107,107,.25) !important; }

/* ═══════════════════════════ SPECTATE ══════════════════════════════════════ */

/* Header */
.rb-spectate-header {
  border-bottom: 2px solid color-mix(in srgb, var(--accent2) 28%, transparent) !important;
  background: linear-gradient(180deg,
    rgba(8,8,15,.96),
    rgba(12,12,24,.86)
  ) !important;
}

.rb-spectate-title {
  color: var(--accent2) !important;
  text-shadow: 0 0 20px rgba(77,150,255,.5) !important;
  letter-spacing: .3em !important;
}

.rb-spec-eye {
  filter: drop-shadow(0 0 8px rgba(77,150,255,.8));
  animation: rb-eye-pulse 2s ease-in-out infinite;
}

@keyframes rb-eye-pulse {
  0%, 100% { filter: drop-shadow(0 0 8px rgba(77,150,255,.8)); }
  50%       { filter: drop-shadow(0 0 18px rgba(77,150,255,1));  }
}

/* Spectate player cards — left stripe, hover glow */
.rb-spectate-grid .spectate-player-card {
  border-left: 3px solid var(--border) !important;
  transition: border-color .22s, box-shadow .22s, transform .2s cubic-bezier(0.25,1,0.5,1) !important;
}
.rb-spectate-grid .spectate-player-card:hover {
  transform: translateY(-3px);
  border-left-color: var(--accent2) !important;
  box-shadow: 0 8px 24px rgba(0,0,0,.4), 0 0 18px rgba(77,150,255,.18) !important;
}
.rb-spectate-grid .spectate-player-card.spec-leading {
  border-left-color: var(--warn) !important;
}
.rb-spectate-grid .spectate-player-card.spec-focus {
  border-left-color: var(--accent2) !important;
}

/* Exit spectate button */
#btn-spectate-exit {
  border-left: 3px solid var(--danger) !important;
  transition: box-shadow .18s, transform .15s !important;
}
#btn-spectate-exit:hover {
  box-shadow: 0 0 18px rgba(255,107,107,.3) !important;
  transform: translateY(-1px) !important;
}

/* ═══════════════════════════ SETTINGS ══════════════════════════════════════ */

/* Settings header — gradient tint */
.rb-settings-header {
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--accent2) 5%, var(--surface)),
    var(--surface)
  ) !important;
}

/* Section title text */
.settings-section-title {
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--text-dim);
}

/* Close button */
#btn-settings-close {
  border-left: 3px solid var(--danger) !important;
  transition: box-shadow .15s, background .15s !important;
}
#btn-settings-close:hover {
  background: color-mix(in srgb, var(--danger) 12%, var(--surface2)) !important;
  border-color: var(--danger) !important;
  box-shadow: 0 0 14px rgba(255,107,107,.25) !important;
}

/* Keybind key chips — more polished */
.keybind-key {
  background: linear-gradient(180deg, var(--surface), var(--surface2)) !important;
  border: 1px solid var(--border);
  box-shadow: 0 2px 0 rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.05) !important;
  transition: border-color .15s, box-shadow .15s, background .15s !important;
}
.keybind-key.capturing {
  border-color: var(--accent2) !important;
  box-shadow: 0 0 0 2px rgba(77,150,255,.25), 0 2px 0 rgba(0,0,0,.4) !important;
  background: color-mix(in srgb, var(--accent2) 10%, var(--surface)) !important;
}

/* Reset keys button */
#btn-settings-reset-keys {
  border-left: 3px solid var(--orange) !important;
}
#btn-settings-reset-keys:hover {
  border-color: var(--orange) !important;
  box-shadow: 0 0 14px rgba(255,159,67,.25) !important;
}

/* Sound control sliders */
.snd-slider {
  accent-color: var(--accent2);
}

/* ═══════════════════════════ ELIMINATED / MARATHON ═════════════════════════ */

/* Eliminated — entry animation */
.rb-elim-card {
  animation: rb-elim-in .4s cubic-bezier(0.25,1.2,0.5,1) both;
}
@keyframes rb-elim-in {
  from { transform: scale(.8); opacity: 0; }
  to   { transform: scale(1);  opacity: 1; }
}

/* Quit spectating button */
#btn-elim-quit {
  border-left: 3px solid var(--accent2) !important;
  background: color-mix(in srgb, var(--accent2) 10%, var(--surface2)) !important;
}
#btn-elim-quit:hover {
  border-color: var(--accent2) !important;
  box-shadow: 0 0 16px rgba(77,150,255,.25) !important;
}

/* ── Countdown overlay ───────────────────────────────────────────────────── */
.countdown-number {
  text-shadow:
    0 0 40px rgba(77,150,255,.6),
    0 0 80px rgba(77,150,255,.3);
  animation: rb-countdown-pop .5s cubic-bezier(0.25,1.4,0.5,1) both;
}
@keyframes rb-countdown-pop {
  from { transform: scale(1.6); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}

/* ── Lobby/join screen enter animation ───────────────────────────────────── */
#screen-lobby.active .rb-lobby,
#screen-join.active .rb-join-wrap,
#screen-levels.active .levels-wrap,
#screen-calibrate.active .rb-calibrate,
#screen-results.active .rb-results,
#screen-spectate.active .rb-spectate-wrap {
  animation: rb-screen-in .32s cubic-bezier(0.25,1,0.5,1) both;
}
/* Don't re-run if already have a more specific animation */
#screen-calibrate.active .rb-calibrate { animation: rb-cal-in .3s cubic-bezier(0.25,1,0.5,1) both; }
#screen-results.active .rb-results     { animation: rb-results-in .35s cubic-bezier(0.25,1,0.5,1) both; }

@keyframes rb-screen-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════════════════════════════════
   OSU-STYLE NAVIGATION RAIL
   Main menu collapses to left sidebar; section panels slide in from right.
   ═══════════════════════════════════════════════════════════════════════════ */

:root { --rail-w: 300px; }

/* ── Menu entering/leaving rail ─────────────────────────────────────────── */

/* Smooth width transition when collapsing to rail */
#screen-menu {
  transition: width .3s cubic-bezier(.4,0,.2,1);
}

/* ── Menu in rail mode ───────────────────────────────────────────────────── */

body.nav-rail #screen-menu {
  /* Shrink to left column only */
  width: var(--rail-w);
  right: auto;                 /* un-stretch; left:0 top:0 bottom:0 from inset */
  justify-content: flex-start;
  align-items: flex-start;
  padding: 0;
  z-index: 15;
  /* Subtle right border to separate rail from content */
  border-right: 1px solid rgba(255,255,255,.07);
}

body.nav-rail .bsaber-menu {
  width: 100%;
  min-height: 100vh;
  padding: 2rem 1rem 1.5rem;
  gap: 1.2rem;
  display: flex;
  flex-direction: column;
}

body.nav-rail .bsaber-header {
  align-items: flex-start;
  gap: 0.4rem;
}

/* Compact logo */
body.nav-rail .bsaber-header .logo .logo-rhythm {
  font-size: 0.9rem;
  letter-spacing: .18em;
}
body.nav-rail .bsaber-header .logo .logo-blitz {
  font-size: 1.6rem;
}

/* Hide name input in rail — it's still on the screen header */
body.nav-rail .bsaber-name-wrap { display: none; }

/* Stretch buttons to fill the rail width */
body.nav-rail .bsaber-btn-stack {
  width: 100%;
  align-items: stretch;
}
body.nav-rail .bsaber-btn-wrap {
  justify-content: stretch;
  height: auto;   /* override fixed height in rail — let it size naturally */
}
body.nav-rail .bsaber-btn {
  width: 100%;
}
/* Suppress the pop-out hover animation inside the compact rail */
body.nav-rail .bsaber-btn:hover {
  height: 68px;
  transition:
    background   .22s ease,
    border-color .22s ease,
    box-shadow   .22s ease;
}

/* Active nav highlight (which section is open) */
body.nav-rail .bsaber-btn.nav-active {
  --btn-c: var(--accent2);
  background: color-mix(in srgb, var(--accent2) 12%, var(--surface2));
}
body.nav-rail .bsaber-btn.nav-active::before {
  width: 6px;
  background: var(--accent2);
}

/* Push footer to bottom of rail */
body.nav-rail .bsaber-footer {
  margin-top: auto;
  padding-top: 0.5rem;
}

/* Logo is clickable in rail mode to collapse back to center */
body.nav-rail #screen-menu .logo {
  cursor: pointer;
  opacity: .85;
  transition: opacity .15s;
}
body.nav-rail #screen-menu .logo:hover {
  opacity: 1;
}

/* ── Section panels (slide in from right, positioned after rail) ──────────── */

body.nav-rail #screen-join,
body.nav-rail #screen-calibrate {
  left: var(--rail-w);
  z-index: 20;
  animation: rb-slide-in-right .32s cubic-bezier(.25,.46,.45,.94) both;
}

@keyframes rb-slide-in-right {
  from { transform: translateX(36px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* Suppress the generic rb-screen-in when in rail mode (slide replaces it) */
body.nav-rail #screen-join .rb-join-wrap,
body.nav-rail #screen-calibrate .rb-calibrate {
  animation: none;
}

/* ── Back buttons hide in rail mode (navigate via left menu instead) ──────── */
body.nav-rail #btn-join-back,
body.nav-rail #btn-cal-back {
  display: none;
}

/* ═══════════════════════════ CREATE ROOM SCREEN ════════════════════════════ */

.rb-create-wrap {
  width: 100%;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  padding: 2.4rem 2rem;
}

.rb-create-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  border-left: 4px solid var(--accent);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 8%, var(--surface)), var(--surface));
  border-radius: 12px;
  padding: .85rem 1.3rem;
}

.rb-create-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
}

.rb-create-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rb-create-mode-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .7rem;
}

.rb-mode-tile {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-left: 3px solid transparent;
  border-radius: 10px;
  padding: 1rem .95rem;
  display: flex;
  flex-direction: column;
  gap: .25rem;
  text-align: left;
  cursor: pointer;
  transition: border-color .18s, background .18s, box-shadow .18s, transform .18s;
  color: var(--text);
  font-family: inherit;
}

.rb-mode-tile:hover {
  border-left-color: var(--accent2);
  background: color-mix(in srgb, var(--accent2) 8%, var(--surface2));
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(77,150,255,.18);
}

.rb-mode-tile.selected {
  border-left-color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  background: color-mix(in srgb, var(--accent) 9%, var(--surface2));
  box-shadow: 0 0 20px rgba(107,203,119,.15);
}

.rb-mode-tile-icon {
  font-size: 1.35rem;
  line-height: 1;
  margin-bottom: .1rem;
}

.rb-mode-tile-name {
  font-weight: 700;
  font-size: .88rem;
  letter-spacing: .05em;
}

.rb-mode-tile-desc {
  font-size: .75rem;
  color: var(--text-dim);
  line-height: 1.3;
}

.rb-create-info {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  padding: .8rem 1.1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.rb-create-info-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  color: var(--text-dim);
}

.rb-create-cta {
  display: flex;
  justify-content: flex-end;
}

#btn-create-host {
  min-width: 170px;
  font-size: .95rem;
  padding: .8rem 1.8rem;
}

/* ── Create screen in nav-rail ───────────────────────────────────────────── */

body.nav-rail #screen-create {
  left: var(--rail-w);
  z-index: 20;
  animation: rb-slide-in-right .32s cubic-bezier(.25,.46,.45,.94) both;
}

body.nav-rail #screen-create .rb-create-wrap {
  animation: none;
}

/* ═══════════════════════════ MAP WORKSHOP SCREEN ════════════════════════════ */

.rb-workshop-wrap {
  width: 100%;
  max-width: 620px;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  padding: 2.4rem 2rem;
}

.rb-workshop-actions {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}

.rb-workshop-actions .btn {
  flex: 1;
  min-width: 130px;
  padding: .75rem 1.2rem;
  font-size: .9rem;
}

.rb-workshop-notice {
  font-size: .8rem;
  color: var(--text-dim);
  background: color-mix(in srgb, var(--accent2) 6%, var(--surface2));
  border: 1px solid color-mix(in srgb, var(--accent2) 20%, var(--border));
  border-radius: 8px;
  padding: .6rem .9rem;
}

.rb-recent-list {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.rb-recent-empty {
  font-size: .82rem;
  color: var(--text-dim);
  padding: 1rem;
  text-align: center;
  background: var(--surface2);
  border: 1px dashed var(--border);
  border-radius: 10px;
}

.rb-recent-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent2);
  border-radius: 10px;
  padding: .75rem 1rem;
  transition: border-color .18s, background .18s;
}

.rb-recent-item:hover {
  border-color: var(--accent2);
  background: color-mix(in srgb, var(--accent2) 6%, var(--surface2));
}

.rb-recent-meta {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  min-width: 0;
}

.rb-recent-name {
  font-weight: 700;
  font-size: .88rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rb-recent-date {
  font-size: .74rem;
  color: var(--text-dim);
}

.rb-recent-continue {
  flex-shrink: 0;
  font-size: .82rem;
  padding: .45rem .9rem;
}

/* ── Workshop screen in nav-rail ─────────────────────────────────────────── */

body.nav-rail #screen-workshop {
  left: var(--rail-w);
  z-index: 20;
  animation: rb-slide-in-right .32s cubic-bezier(.25,.46,.45,.94) both;
}

body.nav-rail #screen-workshop .rb-workshop-wrap {
  animation: none;
}