#abc-app {
  --amber:#F6A400;
  --amber-soft:#FFF5D8;
  --teal:#4DB8BA;
  --teal-deep:#276D70;
  --teal-soft:#E6F5F5;
  --ink:#242424;
  --muted:#70767C;
  --line:#D9E3E8;
  --surface:#FFFFFF;
  --surface-soft:#F5F8FA;
  --score:#EEF4F7;
  --danger:#C94A55;
  --shadow:0 14px 34px rgba(32,52,63,.08);
  color:var(--ink);
  font-family:"IBM Plex Sans",Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}

#abc-app,
#abc-app * { box-sizing:border-box; }

#abc-app button,
#abc-app input { font:inherit; }

#abc-app .sr-only {
  position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;
  overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important;
}

#abc-app .pr-shell { width:min(1280px,100%);margin:0 auto;padding:28px 20px 42px; }

#abc-app .pr-toolbar {
  min-height:112px;display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:24px;padding:18px;
  background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);
}

#abc-app .tool-btn {
  position:relative;width:64px;height:64px;display:grid;place-items:center;padding:0;color:var(--ink);
  background:linear-gradient(180deg,#fff,#f5f5f5);border:1.5px solid #303030;border-radius:15px;
  box-shadow:0 4px 0 rgba(36,36,36,.08),0 8px 16px rgba(36,36,36,.08);cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease;
}

#abc-app .tool-btn:hover:not(:disabled) { transform:translateY(-2px);box-shadow:0 5px 0 rgba(36,36,36,.08),0 12px 20px rgba(36,36,36,.11); }
#abc-app .tool-btn:active:not(:disabled) { transform:translateY(1px); }
#abc-app .tool-btn:focus-visible,
#abc-app button:focus-visible,
#abc-app input:focus-visible { outline:3px solid rgba(77,184,186,.28);outline-offset:3px; }
#abc-app .tool-btn:disabled { opacity:.38;cursor:not-allowed;box-shadow:none; }

#abc-app .tool-icon { position:absolute;inset:27.907%;width:auto;height:auto;display:block; }
#abc-app .label-icon { width:26px;height:26px;display:block;flex:0 0 26px; }
#abc-app .action-icon { width:21px;height:21px;display:block;flex:0 0 21px; }
#abc-app .note-icon { width:44px;height:44px;display:block; }
#abc-app [data-lg-svg] svg { width:100%;height:100%;display:block;overflow:visible;color:currentColor; }
#abc-app [data-lg-svg]:empty { visibility:hidden; }

#abc-app .pr-layout { display:grid;gap:24px; }
#abc-app .app-card,
#abc-app .visual-card { background:var(--surface-soft);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow); }
#abc-app .controls-card { padding:24px; }

#abc-app .card-head {
  min-height:108px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px;padding:20px 22px;
  background:linear-gradient(90deg,rgba(77,184,186,.13),rgba(255,255,255,.9));border-left:7px solid var(--amber);border-radius:15px;
}
#abc-app .card-head h2 { margin:0;font-size:clamp(1.35rem,3vw,2rem);font-weight:820;letter-spacing:-.025em; }

#abc-app .status-grid { display:flex;gap:12px; }
#abc-app .status-box {
  min-width:112px;min-height:66px;display:flex;align-items:center;justify-content:space-between;gap:13px;padding:12px 15px;
  background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:inset 0 -5px 0 var(--teal);
}
#abc-app .status-cycle { box-shadow:inset 0 -5px 0 var(--amber); }
#abc-app .status-box span { color:var(--muted);font-size:11px;font-weight:850;letter-spacing:.08em;text-transform:uppercase; }
#abc-app .status-box strong { font-size:1.42rem;font-variant-numeric:tabular-nums; }

#abc-app .control-grid { display:grid;grid-template-columns:minmax(230px,.72fr) minmax(0,1.28fr);gap:16px;margin-bottom:16px; }
#abc-app .control-block,
#abc-app .patterns-block,
#abc-app .volume-block { background:#fff;border:1px solid var(--line);border-radius:15px; }
#abc-app .control-block { padding:18px; }
#abc-app .tempo-block { display:flex;align-items:flex-end; }
#abc-app .control-title { display:flex;align-items:center;gap:10px;margin:0 0 14px;font-size:14px;font-weight:820;letter-spacing:.02em; }

#abc-app .tempo-inline { width:100%;min-height:50px;display:flex;align-items:center;gap:12px;white-space:nowrap; }
#abc-app .tempo-inline .label-icon { flex:0 0 26px; }
#abc-app .number-field { width:min(210px,100%);display:flex;align-items:center;gap:10px; }
#abc-app .tempo-inline .number-field { width:auto;min-width:0; }
#abc-app input[type="number"] {
  width:112px;height:50px;padding:8px 12px;color:var(--ink);background:#fff;border:1.5px solid #AEBAC1;border-radius:12px;
  font-size:1.16rem;font-weight:780;text-align:center;font-variant-numeric:tabular-nums;
}
#abc-app .number-field > span { color:var(--muted);font-size:12px;font-weight:820;letter-spacing:.08em; }

#abc-app .note-grid { display:grid;grid-template-columns:repeat(4,minmax(58px,1fr));gap:10px; }
#abc-app .note-btn {
  min-height:66px;display:grid;place-items:center;padding:9px;color:var(--ink);background:#fff;border:1.5px solid #AEBAC1;
  border-radius:13px;box-shadow:0 4px 0 #E4EAED;cursor:pointer;transition:transform .14s ease,background .14s ease,border-color .14s ease;
}
#abc-app .note-btn:hover { transform:translateY(-1px); }
#abc-app .note-btn.is-active { color:var(--teal-deep);background:var(--teal-soft);border-color:var(--teal);box-shadow:0 4px 0 rgba(77,184,186,.28); }

#abc-app .patterns-block { padding:18px;margin-bottom:16px; }
#abc-app .block-head { display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:14px; }
#abc-app .block-head h3 { margin:0;font-size:1rem;font-weight:820; }
#abc-app .block-head p { margin:2px 0 0;color:var(--muted);font-size:12px; }
#abc-app .pattern-actions { display:flex;flex-wrap:wrap;justify-content:flex-end;gap:9px; }
#abc-app .action-btn {
  min-height:43px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 12px;color:var(--ink);
  background:#fff;border:1.5px solid #AEBAC1;border-radius:11px;box-shadow:0 3px 0 #E4EAED;font-size:12px;font-weight:780;cursor:pointer;
}
#abc-app .action-btn:hover:not(:disabled) { transform:translateY(-1px); }
#abc-app .action-btn:disabled { opacity:.38;cursor:not-allowed;box-shadow:none; }
#abc-app #addPat { border-left:5px solid var(--teal); }
#abc-app #removePat { border-left:5px solid var(--amber); }

#abc-app #patterns { display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px; }
#abc-app .pat-row {
  min-width:0;display:grid;grid-template-columns:auto 3px 78px minmax(90px,1fr);align-items:center;gap:11px;padding:13px;
  background:var(--surface-soft);border:1px solid var(--line);border-radius:13px;
}
#abc-app .sep { align-self:stretch;background:linear-gradient(var(--teal),var(--amber));border-radius:999px; }
#abc-app .pat-row input[type="number"] { width:100%;height:42px;padding:6px 8px;font-size:14px;border-radius:10px; }

#abc-app .tag {
  width:32px;height:32px;display:inline-grid;place-items:center;padding:0;border-radius:10px;border:0;
  font-size:12px;font-weight:850;box-shadow:0 3px 7px rgba(32,52,63,.12);
}

#abc-app input[type="range"] { width:100%;height:6px;margin:0;appearance:none;background:#DDE6EA;border-radius:999px;cursor:pointer;accent-color:var(--teal); }
#abc-app input[type="range"]::-webkit-slider-thumb { width:18px;height:18px;appearance:none;background:#fff;border:2px solid var(--teal);border-radius:50%;box-shadow:0 2px 6px rgba(32,52,63,.18); }
#abc-app input[type="range"]::-moz-range-thumb { width:16px;height:16px;background:#fff;border:2px solid var(--teal);border-radius:50%;box-shadow:0 2px 6px rgba(32,52,63,.18); }

#abc-app .volume-block { padding:17px 18px; }
#abc-app .volume-block .control-title { margin-bottom:12px; }
#abc-app .volume-block > input { max-width:540px; }

#abc-app .visual-grid { display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px; }
#abc-app .visual-card { min-width:0;padding:20px;overflow:hidden; }
#abc-app .visual-head {
  display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;padding:13px 16px;
  background:linear-gradient(90deg,rgba(246,164,0,.12),rgba(255,255,255,.86));border-left:6px solid var(--teal);border-radius:12px;
}
#abc-app .stage-squares .visual-head { background:linear-gradient(90deg,rgba(77,184,186,.12),rgba(255,255,255,.86));border-left-color:var(--amber); }
#abc-app .visual-head h3 { margin:0;font-size:1.08rem;font-weight:820; }
#abc-app .visual-kicker { color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase; }

#abc-app .canvas-shell { position:relative;height:320px;background:var(--score);border:1px solid var(--line);border-radius:14px;overflow:hidden; }
#abc-app canvas { width:100%;height:100%;display:block; }
#abc-app .overlay { position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:12px;font-weight:700;pointer-events:none; }

#abc-app .tags-circles { display:flex;align-items:center;justify-content:space-around;gap:8px;margin-top:12px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:12px; }
#abc-app .tags-vert { position:absolute;right:10px;top:10px;bottom:10px;display:flex;flex-direction:column;justify-content:space-between;align-items:flex-end;pointer-events:none; }

@media (max-width:820px) {
  #abc-app .pr-shell { padding:18px 14px 34px; }
  #abc-app .pr-toolbar { min-height:88px;margin-bottom:18px;padding:13px;gap:10px; }
  #abc-app .tool-btn { width:54px;height:54px;border-radius:13px; }
  #abc-app .controls-card { padding:16px; }
  #abc-app .card-head { align-items:flex-start;flex-direction:column;padding:18px; }
  #abc-app .status-grid { width:100%; }
  #abc-app .status-box { flex:1;min-width:0; }
  #abc-app .control-grid,
  #abc-app .visual-grid { grid-template-columns:1fr; }
  #abc-app #patterns { grid-template-columns:1fr; }
}

@media (max-width:560px) {
  #abc-app .pr-shell { padding-inline:8px; }
  #abc-app .pr-toolbar { border-radius:16px; }
  #abc-app .tool-btn { width:50px;height:50px; }
  #abc-app .card-head { min-height:0; }
  #abc-app .status-grid { gap:8px; }
  #abc-app .status-box { min-height:60px;padding:10px 12px; }
  #abc-app .note-grid { grid-template-columns:repeat(4,minmax(0,1fr));gap:7px; }
  #abc-app .note-btn { min-height:58px;padding:7px; }
  #abc-app .note-icon { width:39px;height:39px; }
  #abc-app .block-head { align-items:stretch;flex-direction:column; }
  #abc-app .pattern-actions { display:grid;grid-template-columns:1fr 1fr;justify-content:stretch; }
  #abc-app .action-btn { min-width:0;padding-inline:8px;font-size:11px; }
  #abc-app .pat-row { grid-template-columns:auto 3px 68px minmax(70px,1fr);gap:8px;padding:10px; }
  #abc-app .visual-card { padding:14px; }
  #abc-app .visual-head { align-items:flex-start;flex-direction:column;gap:2px; }
  #abc-app .canvas-shell { height:290px; }
}