/* ═══════════════════════════════════════════════════════════════════════════
   RHYTHM BLITZ  —  Map Editor stylesheet  (refreshed)
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  --bg:       #08080f;
  --surface:  #12121e;
  --surface2: #1c1c2e;
  --border:   #2a2a42;
  --text:     #e0e0f0;
  --dim:      #7070a0;
  --accent:   #6bcb77;
  --accent2:  #4d96ff;
  --danger:   #ff6b6b;
  --warn:     #ffd93d;
  --purple:   #c77dff;
  --orange:   #ff9f43;
  --radius:   10px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
.hidden { display: none !important; }
html, body {
  width: 100%; height: 100%;
  background: var(--bg); color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  overflow: hidden;
}

/* ── Layout ── */
.editor-layout {
  display: grid;
  grid-template-columns: 272px 1fr;
  height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: .75rem .75rem 1.4rem;
  display: flex; flex-direction: column; gap: .6rem;
}

.logo {
  font-size: 1.3rem; font-weight: 900; letter-spacing: .12em;
  color: var(--text); padding: .3rem 0 .5rem;
  border-bottom: 1px solid var(--border);
}
.logo span { color: var(--accent); }

/* ── Panels ── */
.panel {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  padding: .7rem .75rem;
  display: flex; flex-direction: column; gap: .55rem;
  flex-shrink: 0; /* keep natural height — sidebar scrolls instead */
}

.panel h2 {
  font-size: .56rem; font-weight: 900; text-transform: uppercase;
  letter-spacing: .2em; color: var(--dim);
  margin: -.7rem -.75rem .2rem;
  padding: .48rem .75rem .4rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.02);
}

/* Panels with colored top accent */
.panel-song   { border-top: 2px solid var(--accent2); }
.panel-diff   { border-top: 2px solid var(--purple);  }
.panel-rec    { border-top: 2px solid var(--danger);  }
.panel-tools  { border-top: 2px solid var(--warn);    }
.panel-export { border-top: 2px solid var(--accent);  }
.panel-import { border-top: 2px solid var(--dim);     }

/* ── Artwork ── */
.artwork-row {
  display: flex;
  align-items: center;
  gap: .6rem;
}

.artwork-preview {
  width: 52px; height: 52px;
  flex-shrink: 0;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}

.artwork-ph {
  font-size: 1.3rem;
  color: var(--border);
  user-select: none;
}

.artwork-img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

.artwork-controls {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  flex: 1;
  min-width: 0;
}

.artwork-upload-btn {
  font-size: .76rem;
  padding: .38rem .6rem;
  text-align: left;
}

.artwork-embed-label {
  font-size: .74rem;
  color: var(--dim);
  padding-bottom: 0;
}

.btn-clear-art {
  background: none;
  border: none;
  color: var(--dim);
  font-size: .72rem;
  padding: 0;
  cursor: pointer;
  transition: color .15s;
  align-self: flex-start;
  line-height: 1;
}
.btn-clear-art:hover { color: var(--danger); }

/* ── Fields ── */
.field { display: flex; flex-direction: column; gap: .25rem; }
.field label { font-size: .72rem; color: var(--dim); }
.field input[type="text"],
.field input[type="number"] {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px; color: var(--text);
  padding: .42rem .65rem; font-size: .86rem; outline: none;
  transition: border-color .15s;
  width: 100%;
}
.field input:focus { border-color: var(--accent2); }

/* File buttons */
.file-btn {
  display: block; text-align: center;
  background: var(--bg); border: 1px dashed var(--border);
  border-radius: 7px; padding: .5rem .7rem;
  color: var(--dim); font-size: .8rem; cursor: pointer;
  transition: border-color .15s, color .15s;
}
.file-btn:hover { border-color: var(--accent2); color: var(--text); }
.file-btn.done  { border-style: solid; border-color: var(--accent); color: var(--accent); }
.file-status { font-size: .75rem; color: var(--accent); min-height: .9rem; }

/* ── Difficulty tabs ── */
.diff-tabs { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: .4rem; padding: .75rem .85rem; }
.tab {
  background: var(--bg); border: 2px solid var(--border);
  border-radius: 7px; color: var(--dim); cursor: pointer;
  padding: .45rem .25rem; font-size: .76rem; font-weight: 700;
  line-height: 1.5; transition: all .15s; text-align: center;
}
.tab small { display: block; font-size: .65rem; font-weight: 400; color: var(--dim); }
.tab.active[data-diff="easy"]   { border-color: var(--accent);  color: var(--accent);  background: rgba(107,203,119,.1); }
.tab.active[data-diff="easy"] small { color: var(--accent); opacity:.7; }
.tab.active[data-diff="normal"] { border-color: var(--accent2); color: var(--accent2); background: rgba(77,150,255,.1);  }
.tab.active[data-diff="normal"] small { color: var(--accent2); opacity:.7; }
.tab.active[data-diff="hard"]   { border-color: var(--danger);  color: var(--danger);  background: rgba(255,107,107,.1); }
.tab.active[data-diff="hard"] small { color: var(--danger); opacity:.7; }
.tab:hover:not(.active) { border-color: var(--dim); color: var(--text); }

/* ── Recording status ── */
.rec-status {
  font-size: .7rem; font-weight: 800; letter-spacing: .14em;
  padding: .32rem .6rem; border-radius: 5px; text-align: center;
}
.rec-status.idle      { background: rgba(112,112,160,.1);  color: var(--dim); }
.rec-status.ok        { background: rgba(107,203,119,.12); color: var(--accent); }
.rec-status.warn      { background: rgba(255,211,61,.15);  color: var(--warn); }
.rec-status.counting  { background: rgba(255,211,61,.12);  color: var(--warn); }
.rec-status.recording { background: rgba(255,107,107,.15); color: var(--danger); animation: blink .9s infinite; }
.rec-status.preview   { background: rgba(107,203,119,.12); color: var(--accent); }
@keyframes blink { 50% { opacity: .4; } }

/* ── Buttons ── */
.btn {
  border: none; border-radius: 7px; cursor: pointer; font-weight: 700;
  padding: .48rem .7rem; font-size: .8rem;
  transition: filter .15s, transform .08s, box-shadow .15s;
  letter-spacing: .02em;
}
.btn:active { transform: scale(.95); }
.btn:disabled { opacity: .3; cursor: not-allowed; }
.btn:hover:not(:disabled) { filter: brightness(1.18); }

.btn-record  { background: var(--danger);  color: #fff; flex: 1; }
.btn-stop    { background: var(--surface); color: var(--text); border: 1px solid var(--border); flex: 1; }
.btn-preview { background: var(--accent);  color: #000; flex: 1; }
.btn-clear   { background: var(--surface); color: var(--dim); border: 1px solid var(--border); flex: 1; }
.btn-export  { background: var(--accent2); color: #fff; width: 100%; padding: .65rem; font-size: .85rem; }
.btn-submit  { background: var(--purple);  color: #fff; width: 100%; padding: .65rem; font-size: .85rem; }
.btn-preview.btn-test { background: var(--surface2); color: var(--text); border: 1px solid var(--border); width: 100%; padding: .58rem; margin-bottom: .1rem; }

/* ── Submit Modal ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.72); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  z-index: 999;
}
.modal-overlay.hidden { display: none; }
.modal-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--purple);
  border-radius: 12px;
  padding: 1.5rem 1.8rem;
  width: min(420px, 92vw);
  display: flex; flex-direction: column; gap: .8rem;
  box-shadow: 0 20px 60px rgba(0,0,0,.55);
}
.modal-box h3 { font-size: 1rem; font-weight: 800; letter-spacing: .05em; }
.modal-hint { font-size: .78rem; color: var(--dim); line-height: 1.5; }
.modal-label { display: flex; flex-direction: column; gap: .3rem; font-size: .82rem; color: var(--dim); }
.modal-input {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text);
  padding: .5rem .7rem; font-size: .9rem; width: 100%; outline: none;
  transition: border-color .15s;
}
.modal-input:focus { border-color: var(--accent2); }
.modal-status { font-size: .83rem; min-height: 1.2em; }
.modal-actions { display: flex; gap: .65rem; justify-content: flex-end; }
.btn-primary  { background: var(--accent2); color: #fff; padding: .5rem 1.1rem; }
.btn-secondary{ background: var(--surface2); color: var(--text); border: 1px solid var(--border); padding: .5rem 1rem; }

/* ── Rows ── */
.ctrl-row { display: flex; gap: .4rem; }

.mini-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .4rem; }
.mini-grid .field input { font-size: .78rem; padding: .32rem .5rem; }

/* Note counts */
.note-counts { display: flex; gap: .5rem; }
.nc {
  flex: 1; background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: .32rem .35rem;
  text-align: center; font-size: .68rem; color: var(--dim);
}
.nc .n { display: block; font-size: 1rem; font-weight: 800; color: var(--text); }

.bpm-row { display: flex; align-items: flex-end; gap: .5rem; }

.snap-group {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding-bottom: .38rem;
  flex-shrink: 0;
}

.snap-label {
  display: flex; align-items: center; gap: .28rem;
  font-size: .76rem; color: var(--dim);
  cursor: pointer; white-space: nowrap;
}
.snap-label input { cursor: pointer; accent-color: var(--accent2); }

.snap-div-select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--dim);
  font-size: .7rem;
  padding: .18rem .3rem;
  cursor: pointer;
  outline: none;
  width: 100%;
}
.snap-div-select:focus { border-color: var(--accent2); }

.speed-row { display: flex; align-items: center; gap: .4rem; }
.speed-lbl { font-size: .73rem; color: var(--dim); white-space: nowrap; }
.speed-slider { flex: 1; accent-color: var(--accent2); cursor: pointer; }
.speed-val { font-size: .73rem; color: var(--text); width: 30px; text-align: right; }

.hint { font-size: .75rem; color: var(--dim); line-height: 1.5; }

/* ── Main area ── */
.main-area {
  display: flex; flex-direction: column;
  background: var(--bg); overflow: hidden;
  min-height: 0; height: 100%;
}

.main-top-bar {
  display: flex; align-items: center; gap: 1rem;
  padding: .55rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  min-height: 46px;
}

#transport {
  display: flex; align-items: center; gap: .7rem; flex: 1;
}
.time-disp {
  font-family: monospace; font-size: .88rem; color: var(--dim);
  white-space: nowrap;
}
.progress-wrap {
  flex: 1; height: 5px; background: var(--surface2);
  border-radius: 3px; overflow: hidden; cursor: pointer;
}
.progress-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  border-radius: 3px; transition: width .1s linear;
}
.key-hint { color: var(--dim); font-size: .77rem; letter-spacing: .03em; }

/* Zoom */
.zoom-controls { display: flex; align-items: center; gap: .4rem; }
.zoom-lbl { font-size: .85rem; }
.zoom-slider { width: 85px; accent-color: var(--accent2); cursor: pointer; }
.zoom-val { font-size: .73rem; color: var(--text); width: 26px; }

/* Timeline */
#timeline-canvas { cursor: crosshair; display: block; width: 100%; height: 100%; }
.timeline-wrap { flex: 1; overflow: hidden; position: relative; min-height: 0; }
.no-notes {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--dim); font-size: .88rem; text-align: center; line-height: 2;
  pointer-events: none;
}

/* Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.tool-divider { border-top: 1px solid var(--border); margin: .15rem 0; }
.hint-inline { font-size: .65rem; font-weight: 400; color: var(--dim); }

/* ── Edit While Play ── */
.btn-ewp {
  background: linear-gradient(135deg, var(--purple), #a055e8);
  color: #fff;
  width: 100%;
  padding: .65rem;
  font-size: .85rem;
}
.btn-ewp.active {
  background: linear-gradient(135deg, var(--danger), #c0392b);
}

.ewp-pause-hint {
  position: absolute;
  top: 0; left: 0; right: 0;
  padding: .42rem 1rem;
  background: rgba(77,150,255,.14);
  border-bottom: 1px solid rgba(77,150,255,.35);
  font-size: .78rem;
  color: var(--accent2);
  text-align: center;
  z-index: 50;
  pointer-events: none;
  letter-spacing: .03em;
}
.ewp-pause-hint kbd {
  background: rgba(77,150,255,.2);
  border: 1px solid rgba(77,150,255,.4);
  border-radius: 4px;
  padding: 0 5px;
  font-family: inherit;
  font-size: .75rem;
}

.ewp-countdown-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.68);
  backdrop-filter: blur(3px);
  z-index: 100;
  pointer-events: none;
}

.ewp-countdown-num {
  font-size: 9rem;
  font-weight: 900;
  color: var(--accent2);
  text-shadow: 0 0 50px var(--accent2), 0 0 100px rgba(77,150,255,.5);
  line-height: 1;
  animation: ewp-num-pop .25s cubic-bezier(0.34,1.4,0.64,1) both;
}

@keyframes ewp-num-pop {
  from { transform: scale(1.8); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}

.ewp-countdown-label {
  font-size: .9rem;
  font-weight: 800;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: .75rem;
}

/* ── Advanced panel toggle ── */
.panel-advanced { border-top: 2px solid var(--dim); }

.panel-toggle-h2 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}
.panel-toggle-h2:hover { color: var(--text); }

.toggle-arrow {
  font-size: .55rem;
  transition: transform .2s ease;
}
.toggle-arrow.open { transform: rotate(90deg); }

/* ── Custom Code Editor ── */
.code-tab-bar {
  display: flex;
  gap: .25rem;
  margin-bottom: .35rem;
}

.code-tab-btn {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px 5px 0 0;
  color: var(--dim);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: .28rem .65rem;
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
}
.code-tab-btn.active {
  background: #0a0a14;
  border-color: var(--accent2);
  color: var(--accent2);
}
.code-tab-btn:hover:not(.active) { color: var(--text); border-color: var(--dim); }

.code-area {
  display: block;
  width: 100%;
  height: 180px;
  background: #0a0a14;
  color: #c0cce8;
  font-family: 'Cascadia Code', 'Consolas', 'JetBrains Mono', 'Monaco', monospace;
  font-size: .74rem;
  line-height: 1.55;
  border: 1px solid var(--accent2);
  border-radius: 0 5px 5px 5px;
  padding: .6rem .75rem;
  resize: vertical;
  outline: none;
  tab-size: 2;
  white-space: pre;
  overflow: auto;
  transition: border-color .15s;
}
.code-area:focus { border-color: #7eb8ff; }