:root {
  --bg: #0f1115; --panel: #181b22; --panel2: #1f232c; --line: #2b303b;
  --fg: #e8eaed; --muted: #9aa3b2; --accent: #6ea8fe; --accent2: #7ee0b8;
  --warn: #ffcf6e;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
}
header {
  padding: 22px 20px; border-bottom: 1px solid var(--line);
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
}
header h1 { margin: 0; font-size: 20px; letter-spacing: .3px; }
header h1 a { color: inherit; text-decoration: none; }
header .sub { color: var(--muted); font-size: 13px; }
main { max-width: 1040px; margin: 0 auto; padding: 22px 20px 60px; }
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; padding: 18px; margin-bottom: 18px;
}
.row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
label.field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
input[type=file] {
  background: var(--panel2); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px; color: var(--fg); max-width: 100%;
}
select, button, input[type=number] {
  background: var(--panel2); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 14px; color: var(--fg); font-size: 14px;
}
button.primary {
  background: var(--accent); color: #0b1220; border-color: transparent;
  font-weight: 600; cursor: pointer;
}
button.primary:disabled { opacity: .5; cursor: default; }
button.ghost { cursor: pointer; }
a.btnlink {
  display: inline-block; background: var(--accent); color: #0b1220;
  border-radius: 8px; padding: 10px 16px; font-weight: 600; text-decoration: none;
}
.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--line); }
.tab {
  background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--muted); padding: 8px 12px; cursor: pointer; font-size: 14px; border-radius: 0;
}
.tab.active { color: var(--fg); border-bottom-color: var(--accent); }
input[type=url] {
  background: var(--panel2); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px; color: var(--fg); width: 100%;
}
.hint { color: var(--muted); font-size: 12.5px; margin-top: 8px; }
.status { margin-top: 12px; font-size: 14px; min-height: 20px; }
.status.err { color: #ff8a8a; }
.status.warn { color: var(--warn); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.stat { background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.stat .k { color: var(--muted); font-size: 12px; }
.stat .v { font-size: 18px; font-weight: 600; margin-top: 3px; }
#pianoWrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: #0b0d11; }
canvas { display: block; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: right; padding: 6px 10px; border-bottom: 1px solid var(--line); }
th:first-child, td:first-child { text-align: left; }
thead th { color: var(--muted); font-weight: 600; position: sticky; top: 0; background: var(--panel); }
.tableScroll { max-height: 340px; overflow: auto; border: 1px solid var(--line); border-radius: 10px; }
.spin { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--muted);
  border-top-color: var(--accent); border-radius: 50%; animation: r .8s linear infinite; vertical-align: -2px; }
@keyframes r { to { transform: rotate(360deg); } }
a { color: var(--accent); }
.pill { font-size: 11.5px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.progress { margin-top: 14px; }
.progress .plabel { display: flex; justify-content: space-between; align-items: baseline;
  font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.progress .plabel b { color: var(--fg); font-weight: 600; }
.bar { height: 10px; background: var(--panel2); border: 1px solid var(--line);
  border-radius: 999px; overflow: hidden; position: relative; }
.fill { height: 100%; width: 0%; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent2)); transition: width .35s ease; }
.bar.indet .fill { width: 35%; animation: slide 1.15s ease-in-out infinite; }
@keyframes slide { 0% { margin-left: -35%; } 100% { margin-left: 100%; } }
.player { margin-top: 14px; }
.player .k { color: var(--muted); font-size: 12px; margin-bottom: 4px; }
audio { width: 100%; }
.refine { margin-top: 16px; }
.refine .k { color: var(--muted); font-size: 12px; margin-bottom: 6px; display: flex;
  justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.refine .k b { color: var(--fg); }
.refine .ends { display: flex; justify-content: space-between; font-size: 11px;
  color: var(--muted); margin-top: 2px; }
input[type=range] { width: 100%; accent-color: var(--accent); }
.stem { border: 1px solid var(--line); border-radius: 10px; padding: 12px;
  margin-bottom: 10px; background: var(--panel2); }
.stem.sel { border-color: var(--accent); }
.stem .top { display: flex; justify-content: space-between; align-items: baseline;
  gap: 10px; flex-wrap: wrap; }
.stem .nm { font-weight: 600; }
.stem .sub { color: var(--muted); font-size: 12px; }
.timeline { position: relative; height: 12px; margin: 9px 0; border-radius: 6px;
  background: #0b0d11; border: 1px solid var(--line); overflow: hidden; }
.timeline .seg { position: absolute; top: 0; bottom: 0;
  background: linear-gradient(180deg, var(--accent), var(--accent2)); opacity: .85; }
.stem audio { margin-top: 6px; height: 34px; }
.stem .acts { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.stem .dot { display: inline-block; width: 9px; height: 9px; border-radius: 2px;
  margin-right: 6px; vertical-align: baseline; }
.scoreBox { overflow-x: auto; background: #f7f7f4; border: 1px solid var(--line);
  border-radius: 10px; padding: 6px; min-height: 60px; }
.scoreBox svg { display: block; }
#editBar { align-items: flex-end; }
#editBar button.ghost { padding: 8px 10px; font-size: 13px; }
#editBar .field { font-size: 12px; }
.roll-edit { cursor: crosshair; touch-action: none; }
.btn-on { background: var(--accent); color: #0b1220; border-color: transparent; }
.subnav { display: flex; gap: 14px; align-items: center; margin-left: auto; font-size: 13px; }
#editorMsg { padding: 40px 20px; text-align: center; color: var(--muted); }
.transport { display: flex; gap: 10px; align-items: center; margin-top: 6px; }
.transport button { padding: 6px 12px; min-width: 42px; }
.transport input[type=range] { flex: 1; }
.transport .hint { margin: 0; white-space: nowrap; }
#rollInner, #scoreInner { position: relative; display: inline-block; min-width: 100%; }
.playhead { position: absolute; top: 0; width: 2px; background: #fff;
  box-shadow: 0 0 6px rgba(255,255,255,.8); pointer-events: none; z-index: 6; }
#rollHead { height: 100%; }
#scoreHead { background: #c0392b; box-shadow: 0 0 6px rgba(192,57,43,.7); }
.roll-edit, .score-edit { touch-action: none; }
.score-edit { cursor: crosshair; }