:root{
  --bg:#0a0b0f;
  --bg-soft:#11131a;
  --panel:#141821;
  --panel-2:#1a1f2b;
  --border:#222837;
  --text:#e8ecf4;
  --muted:#8a93a6;
  --accent:#f5c542;
  --accent-2:#ffae3b;
  --primary:#3b82f6;
  --danger:#ef4444;
  --radius:12px;
  --shadow:0 10px 30px -10px rgba(0,0,0,.6);
  font-synthesis:none;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:radial-gradient(1200px 600px at 20% -10%, #1a1f2e 0%, transparent 60%), var(--bg);
  color:var(--text);
  font-family:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow:hidden;
}

.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 22px;border-bottom:1px solid var(--border);
  background:rgba(10,11,15,.7);backdrop-filter:blur(12px);
  position:sticky;top:0;z-index:10;
}
.brand{display:flex;align-items:center;gap:12px}
.brand h1{font-size:18px;margin:0;font-weight:600;letter-spacing:.3px}
.brand .accent{color:var(--accent);font-weight:700}
.logo-dot{width:12px;height:12px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 0 18px var(--accent)}
.stats{display:flex;gap:18px;color:var(--muted);font-size:13px}
.stats b{color:var(--text);font-weight:600}

.layout{
  display:grid;grid-template-columns:340px 1fr;gap:16px;padding:16px;
  height:calc(100vh - 56px);
}
.panel{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);display:flex;flex-direction:column;
  overflow:hidden;
}
.editor-panel{padding:14px;gap:10px;overflow:auto}
.panel-header{display:flex;justify-content:space-between;align-items:center;margin-top:4px}
.panel-header h2{font-size:12px;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);margin:0;font-weight:600}

#scriptInput{
  width:100%;min-height:200px;flex:1;
  background:var(--bg-soft);color:var(--text);
  border:1px solid var(--border);border-radius:10px;
  padding:12px;font-size:14px;line-height:1.6;resize:vertical;
  font-family:inherit;outline:none;transition:border .2s;
}
#scriptInput:focus{border-color:var(--accent)}

.settings{display:flex;flex-direction:column;gap:12px}
.settings label{display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.8px}
.settings label .val{color:var(--accent);font-weight:600;float:right;font-family:'JetBrains Mono',monospace}
.settings label{position:relative}
.settings label .val{position:absolute;right:0;top:0}
input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:4px;
  background:var(--border);border-radius:4px;outline:none;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:16px;height:16px;border-radius:50%;
  background:var(--accent);cursor:pointer;border:2px solid var(--bg);
  box-shadow:0 0 10px rgba(245,197,66,.5);
}
input[type=range]::-moz-range-thumb{
  width:16px;height:16px;border-radius:50%;background:var(--accent);
  cursor:pointer;border:2px solid var(--bg);
}

.align-row,.toggle-row{display:flex;justify-content:space-between;align-items:center;gap:8px}
.align-row>span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.8px}
.align-group{display:flex;gap:4px}

.btn{
  background:var(--panel-2);color:var(--text);border:1px solid var(--border);
  padding:9px 16px;border-radius:8px;cursor:pointer;font-size:13px;
  font-weight:500;transition:all .15s;font-family:inherit;
}
.btn:hover{background:#222838;border-color:#2e3548}
.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#1a1200;border-color:transparent;font-weight:700}
.btn.primary:hover{filter:brightness(1.1)}
.btn.ghost{background:transparent;border-color:transparent;color:var(--muted);padding:4px 10px}
.btn.ghost:hover{color:var(--danger);background:rgba(239,68,68,.1)}
.btn.small{padding:6px 12px;font-size:12px}
.btn.active{background:var(--accent);color:#1a1200;border-color:transparent;font-weight:600}

.stage-panel{padding:14px;gap:12px}
.controls{display:flex;gap:8px;flex-wrap:wrap}
.stage{
  position:relative;flex:1;background:#000;border-radius:10px;
  overflow:hidden;border:1px solid var(--border);
}
.prompter{
  position:absolute;inset:0;overflow-y:auto;scroll-behavior:auto;
  scrollbar-width:thin;scrollbar-color:#333 transparent;
}
.prompter::-webkit-scrollbar{width:6px}
.prompter::-webkit-scrollbar-thumb{background:#333;border-radius:6px}
.prompter-inner{
  margin:0 auto;padding:50vh 0;
  font-size:48px;line-height:1.5;text-align:center;
  width:80%;color:#fafafa;font-weight:500;
  letter-spacing:.5px;white-space:pre-wrap;word-wrap:break-word;
}
.prompter-inner .empty{color:#555;font-size:.5em;font-weight:400}
.stage.mirror .prompter-inner{transform:scaleX(-1)}

.reading-line{
  position:absolute;left:0;right:0;top:50%;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent) 20%,var(--accent) 80%,transparent);
  pointer-events:none;opacity:.5;
}

.hint{margin:0;font-size:11px;color:var(--muted);text-align:center}
kbd{
  background:var(--panel-2);border:1px solid var(--border);
  padding:1px 6px;border-radius:4px;font-size:10px;
  font-family:'JetBrains Mono',monospace;color:var(--text);
}

/* Fullscreen */
.stage:fullscreen{border-radius:0;border:none}
.stage:fullscreen .prompter-inner{padding:50vh 0}

@media (max-width:900px){
  body{overflow:auto}
  .layout{grid-template-columns:1fr;height:auto;padding:12px}
  .stage-panel{order:-1}
  .stage{height:55vh}
  .editor-panel{max-height:none}
  .stats{font-size:11px;gap:10px}
  .topbar{padding:10px 14px}
  .brand h1{font-size:15px}
}
@media (max-width:500px){
  .controls .btn{flex:1;min-width:0}
  .stats span{display:none}
  .stats span:first-child{display:inline}
}