:root{--bg: #fff7ea;--bg-deep: #ffe9c7;--card: #ffffff;--ink: #3b2a5e;--ink-soft: #7b6a9e;--primary: #7c5cff;--primary-dark: #5238c9;--success: #2e7d32;--info: #1e5bc6;--muted: #8a8a8a;--radius: 24px;--shadow: 0 6px 0 rgba(59, 42, 94, .12);--font: "Nunito", "Arial Rounded MT Bold", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--ink);font-family:var(--font);font-weight:700;-webkit-font-smoothing:antialiased;touch-action:manipulation;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none;overscroll-behavior:none}button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;padding:0}h1,h2,p{margin:0}.screen{min-height:100%;display:flex;flex-direction:column;gap:20px;max-width:960px;margin:0 auto;padding:calc(16px + env(safe-area-inset-top)) calc(16px + env(safe-area-inset-right)) calc(16px + env(safe-area-inset-bottom)) calc(16px + env(safe-area-inset-left))}.home-header{display:flex;align-items:center;gap:16px}.home-header h1{font-size:40px;font-weight:800;letter-spacing:1px;color:var(--primary-dark)}.home-header p{color:var(--ink-soft);font-size:18px}.home h2{font-size:20px;margin-bottom:10px;color:var(--ink-soft)}.song-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.song-card,.difficulty-card{background:var(--card);border-radius:var(--radius);padding:18px 12px;display:flex;flex-direction:column;align-items:center;gap:8px;box-shadow:var(--shadow);border:4px solid transparent;transition:transform .12s,border-color .12s}.song-card.is-selected,.difficulty-card.is-selected{border-color:var(--primary);transform:scale(1.03)}.song-emoji,.difficulty-emoji{font-size:48px;line-height:1}.song-title,.difficulty-label{font-size:18px;font-weight:800;text-align:center}.difficulty-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.difficulty-emoji{font-size:40px}.difficulty-desc{font-size:13px;color:var(--ink-soft);text-align:center}.big-button{background:var(--primary);color:#fff;font-size:26px;font-weight:800;padding:18px 40px;border-radius:999px;box-shadow:0 6px 0 var(--primary-dark);align-self:center;min-width:220px;transition:transform .08s,box-shadow .08s}.big-button:active{transform:translateY(4px);box-shadow:0 2px 0 var(--primary-dark)}.secondary-button{background:var(--card);color:var(--primary-dark);font-size:20px;font-weight:800;padding:14px 28px;border-radius:999px;box-shadow:var(--shadow)}.secondary-button:active{transform:translateY(3px);box-shadow:none}.play{height:100%;min-height:0;gap:12px;overflow:hidden}.play-header{display:flex;align-items:center;gap:14px}.icon-button{width:48px;height:48px;border-radius:50%;background:var(--card);box-shadow:var(--shadow);font-size:16px;display:grid;place-items:center;color:var(--primary-dark);flex-shrink:0}.progress{flex:1;height:16px;background:var(--bg-deep);border-radius:999px;overflow:hidden}.progress-fill{width:0%;height:100%;background:var(--primary);border-radius:999px}.play-body{flex:1;min-height:0;display:flex;gap:12px}.play-side{width:120px;flex-shrink:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center}.judgement-slot{min-height:30px}.judgement{font-size:22px;font-weight:800;animation:pop .5s ease-out}.judgement-perfect{color:var(--success)}.judgement-good{color:var(--info)}.judgement-miss{color:var(--muted)}.combo{font-size:18px;font-weight:800;color:#e65100;min-height:24px}.score{font-size:15px;color:var(--ink-soft)}.play-stage{flex:1;min-width:0;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.play-canvas{display:block;width:100%;height:100%;touch-action:none}.lane-buttons{display:grid;gap:12px;padding-left:132px}.lane-button{height:76px;border-radius:22px;background:var(--lane-light);border:4px solid var(--lane-main);box-shadow:0 6px 0 var(--lane-dark);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;touch-action:none;transition:transform .06s,box-shadow .06s,background-color .06s}.lane-button.is-pressed,.lane-button:active{transform:translateY(5px);box-shadow:0 1px 0 var(--lane-dark);background:var(--lane-main)}.lane-key{font-size:13px;font-weight:800;color:var(--lane-dark)}@media(max-width:640px){.song-grid,.difficulty-row{gap:8px}.song-card,.difficulty-card{padding:14px 8px}.song-emoji,.difficulty-emoji{font-size:36px}.song-title,.difficulty-label{font-size:15px}.difficulty-desc{font-size:12px}.play-body{flex-direction:column}.play-side{width:auto;flex-direction:row;justify-content:center;gap:14px}.play-side .mascot{width:56px;height:56px}.lane-buttons{padding-left:0}.lane-button{height:64px}}.overlay{position:fixed;inset:0;background:#3b2a5e73;display:grid;place-items:center;padding:16px}.overlay-card{background:var(--card);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:14px;align-items:center;min-width:260px}.overlay-card h2{font-size:28px}.results{align-items:center;justify-content:center;text-align:center;position:relative;overflow:hidden}.results h1{font-size:40px;font-weight:800;color:var(--primary-dark)}.results-song{font-size:18px;color:var(--ink-soft)}.badge{background:#ffd93d;color:#7a5a00;font-weight:800;padding:8px 18px;border-radius:999px;animation:pop .5s}.results-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;width:min(100%,420px)}.stat{background:var(--card);border-radius:20px;padding:14px;box-shadow:var(--shadow);display:flex;flex-direction:column}.stat-value{font-size:32px;font-weight:800}.stat-label{font-size:14px;color:var(--ink-soft)}.stat-perfect .stat-value{color:var(--success)}.stat-good .stat-value{color:var(--info)}.stat-miss .stat-value{color:var(--muted)}.results-score{color:var(--ink-soft)}.results-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}.stars{display:inline-flex;gap:4px}.star-on{color:#ffb800}.star-off{color:#e0dceb}.stars.is-animated .star-on{animation:star-pop .5s cubic-bezier(.34,1.56,.64,1) both}.stars.is-animated .star-on:nth-child(2){animation-delay:.3s}.stars.is-animated .star-on:nth-child(3){animation-delay:.6s}.mascot-happy{animation:bounce .45s ease-out}.mascot-oops{animation:shake .4s ease-in-out}.confetti{position:absolute;inset:0;pointer-events:none;overflow:hidden}.confetti-piece{position:absolute;top:-20px;width:10px;height:16px;border-radius:3px;animation:confetti-fall 3s linear both}@keyframes pop{0%{transform:scale(.5);opacity:0}60%{transform:scale(1.15);opacity:1}to{transform:scale(1)}}@keyframes star-pop{0%{transform:scale(0) rotate(-30deg)}to{transform:scale(1) rotate(0)}}@keyframes bounce{0%{transform:translateY(0)}40%{transform:translateY(-14px) scale(1.06)}to{transform:translateY(0)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px) rotate(-4deg)}75%{transform:translate(6px) rotate(4deg)}}@keyframes confetti-fall{to{transform:translateY(110vh) rotate(720deg)}}