:root{--bg: #0a0a14;--bg-2: #101022;--surface: rgba(255, 255, 255, .045);--surface-2: rgba(255, 255, 255, .08);--border: rgba(255, 255, 255, .09);--text: #f2f1fa;--text-dim: #9a97b8;--text-faint: #5e5b7a;--accent: #8b5cf6;--accent-2: #6366f1;--glow: #a78bfa;--good: #34d399;--warn: #fbbf24;--bad: #f87171;--grad: linear-gradient(135deg, #8b5cf6 0%, #6366f1 50%, #3b82f6 100%);--grad-warm: linear-gradient(135deg, #f472b6 0%, #fb923c 100%);--radius: 20px;--font: "Outfit", system-ui, sans-serif;--mono: "JetBrains Mono", monospace}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;overflow:hidden}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:radial-gradient(60% 45% at 15% -5%,rgba(139,92,246,.16),transparent 65%),radial-gradient(50% 40% at 90% 8%,rgba(59,130,246,.12),transparent 60%),radial-gradient(45% 40% at 50% 110%,rgba(244,114,182,.08),transparent 60%);pointer-events:none;z-index:0}.app{position:relative;z-index:1;height:100%;max-width:520px;margin:0 auto;display:flex;flex-direction:column}.screen{flex:1;overflow-y:auto;padding:28px 22px 110px;animation:screenIn .35s cubic-bezier(.22,1,.36,1);scrollbar-width:thin;scrollbar-color:var(--surface-2) transparent}@keyframes screenIn{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}h1{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.15}h2{font-size:20px;font-weight:700;letter-spacing:-.01em}h3{font-size:15px;font-weight:600}.dim{color:var(--text-dim)}.faint{color:var(--text-faint)}.small{font-size:13px}.mono{font-family:var(--mono)}.gradient-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.card.press{cursor:pointer;transition:transform .15s ease,background .15s ease,border-color .15s ease}.card.press:hover{background:var(--surface-2);border-color:#ffffff29}.card.press:active{transform:scale(.98)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font);font-size:16px;font-weight:700;color:#fff;background:var(--grad);border:none;border-radius:16px;padding:16px 28px;cursor:pointer;width:100%;transition:transform .15s ease,box-shadow .2s ease,filter .2s ease;box-shadow:0 8px 28px #8b5cf659}.btn:hover{filter:brightness(1.1);box-shadow:0 10px 34px #8b5cf680}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.4;cursor:default;box-shadow:none}.btn.ghost{background:var(--surface);border:1px solid var(--border);box-shadow:none;color:var(--text);font-weight:600}.btn.ghost:hover{background:var(--surface-2)}.nav{position:absolute;bottom:0;left:0;right:0;display:flex;padding:10px 14px calc(14px + env(safe-area-inset-bottom));background:#0a0a14d1;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--border);z-index:10}.nav button{flex:1;background:none;border:none;color:var(--text-faint);font-family:var(--font);font-size:11px;font-weight:600;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px 0;transition:color .2s}.nav button .icon{font-size:21px;transition:transform .2s;filter:grayscale(1) opacity(.6)}.nav button.active{color:var(--glow)}.nav button.active .icon{transform:translateY(-2px) scale(1.12);filter:none}.stat-row{display:flex;gap:10px}.stat{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:13px 8px;text-align:center}.stat .value{font-size:21px;font-weight:800}.stat .label{font-size:11px;color:var(--text-dim);margin-top:2px;letter-spacing:.04em;text-transform:uppercase}.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:100px;font-size:12px;font-weight:600;background:var(--surface-2);border:1px solid var(--border)}a.chip{color:var(--text);text-decoration:none}a.chip:hover{border-color:#a78bfa6b;background:#ffffff1c}.plan-step{width:100%;display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--border);border-radius:12px;background:#ffffff0b;color:var(--text);text-align:left;cursor:pointer}.plan-step:hover{border-color:#a78bfa6b;background:#ffffff12}.plan-index{width:28px;height:28px;flex:0 0 28px;display:grid;place-items:center;border-radius:999px;background:#a78bfa2e;color:var(--glow);font-weight:800;font-size:13px}.plan-step b{display:block;font-size:13px;line-height:1.2}.plan-step small{display:block;color:var(--text-faint);font-size:11px;line-height:1.35;margin-top:3px}.plan-action{color:var(--glow);font-size:11px;font-weight:800;white-space:nowrap}.segmented{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:4px;padding:4px;border-radius:14px;background:#ffffff0e;border:1px solid var(--border)}.segmented button{min-height:38px;border:none;border-radius:10px;background:transparent;color:var(--text-dim);font-family:var(--font);font-weight:700;font-size:12px;cursor:pointer}.segmented button.active{background:var(--surface-2);color:var(--text);box-shadow:inset 0 0 0 1px #ffffff14}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0 2px}.toggle-row span{display:flex;flex-direction:column;gap:3px}.toggle-row input{width:22px;height:22px;accent-color:var(--accent)}.bar{height:8px;border-radius:100px;background:#ffffff12;overflow:hidden}.bar>div{height:100%;border-radius:100px;background:var(--grad);transition:width .6s cubic-bezier(.22,1,.36,1)}.pitch-canvas-wrap{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:#00000059}canvas{display:block;width:100%}.live-note{position:absolute;top:14px;right:14px;font-family:var(--mono);font-size:22px;font-weight:600;padding:6px 14px;border-radius:12px;background:#00000080;border:1px solid var(--border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);min-width:76px;text-align:center}.lyrics-strip{min-height:92px;border:1px solid var(--border);border-radius:16px;padding:14px 16px;background:linear-gradient(180deg,#ffffff13,#ffffff09);text-align:center}.lyrics-current{min-height:38px;font-size:32px;font-weight:800;line-height:1.15;color:var(--text)}.lyrics-line{margin-top:8px;color:var(--text-dim);font-size:14px;line-height:1.45;overflow-wrap:anywhere}.countdown-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:#0a0a148c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:5}.countdown-overlay .big{font-size:64px;font-weight:800;animation:pop .5s ease}@keyframes pop{0%{transform:scale(.5);opacity:0}60%{transform:scale(1.15)}to{transform:scale(1);opacity:1}}.score-ring{position:relative;width:190px;height:190px;margin:0 auto}.score-ring svg{transform:rotate(-90deg)}.score-ring .num{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.score-ring .num .val{font-size:52px;font-weight:800;letter-spacing:-.03em}.divider{height:1px;background:var(--border);margin:18px 0}.pulse-dot{width:10px;height:10px;border-radius:50%;background:var(--good);animation:pulse 1.4s ease infinite}@keyframes pulse{0%,to{box-shadow:0 0 #34d39980}50%{box-shadow:0 0 0 9px #34d39900}}input[type=text],textarea{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:15px 18px;color:var(--text);font-family:var(--font);font-size:16px;outline:none;transition:border-color .2s}textarea{resize:vertical;min-height:118px;line-height:1.45}input[type=text]:focus,textarea:focus{border-color:var(--accent)}.logo-mark{width:76px;height:76px;border-radius:24px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:38px;box-shadow:0 12px 40px #8b5cf673;animation:float 4s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-7px)}}.fade-up{animation:screenIn .5s cubic-bezier(.22,1,.36,1) both}.d1{animation-delay:.06s}.d2{animation-delay:.12s}.d3{animation-delay:.18s}.d4{animation-delay:.24s}@media (min-width: 720px){.app{max-width:640px}}:focus-visible{outline:2px solid var(--glow);outline-offset:2px;border-radius:6px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:1ms!important;animation-iteration-count:1!important;transition-duration:1ms!important}}.icon-btn{background:var(--surface);border:1px solid var(--border);border-radius:12px;width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-size:17px;color:var(--text);transition:background .15s}.icon-btn:hover{background:var(--surface-2)}.heatmap{display:grid;grid-template-rows:repeat(7,1fr);grid-auto-flow:column;gap:3px}.heatmap div{aspect-ratio:1;border-radius:3px;background:#ffffff0d}.heatmap .h1{background:#8b5cf659}.heatmap .h2{background:#8b5cf6a6}.heatmap .h3{background:#a78bfa;box-shadow:0 0 6px #a78bfa80}