*{box-sizing:border-box;margin:0;padding:0}:root{--bg: #fafafa;--card: #ffffff;--text: #1a1a2e;--text-muted: #6b7280;--accent: #e07b39;--accent-hover: #d46b2e;--good: #22c55e;--warn: #facc15;--critical: #ef4444;--border: #e5e7eb;--shadow: 0 4px 24px rgba(0, 0, 0, .08);--shadow-hover: 0 8px 32px rgba(0, 0, 0, .12);--radius: 16px;--radius-sm: 10px}@media (prefers-color-scheme: dark){:root{--bg: #111827;--card: #1f2937;--text: #f9fafb;--text-muted: #9ca3af;--accent: #fb923c;--accent-hover: #f97316;--border: #374151;--shadow: 0 4px 24px rgba(0, 0, 0, .3);--shadow-hover: 0 8px 32px rgba(0, 0, 0, .4)}}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}.tamagotchi{width:100%;max-width:400px;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;animation:slideUp .4s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.tamagotchi header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;border-bottom:1px solid var(--border)}.tamagotchi h1{font-size:1.25rem;font-weight:600;letter-spacing:-.02em}.mood-indicator{font-size:1.5rem;animation:bounce 2s ease-in-out infinite;display:flex;align-items:center;gap:8px}.alive-timer{font-size:.85rem;font-weight:500;opacity:.7;font-variant-numeric:tabular-nums;animation:none}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}.pet-display{position:relative;min-height:140px;display:flex;align-items:center;justify-content:center;padding:2rem;background:linear-gradient(180deg,rgba(224,123,57,.08),transparent)}.pet-emoji{font-size:6rem;line-height:1;transition:transform .2s ease;filter:drop-shadow(0 4px 16px rgba(224,123,57,.2))}.pet-emoji.animating{animation:petAction .6s ease-out}@keyframes petAction{0%{transform:scale(1) rotate(0)}20%{transform:scale(1.15) rotate(-8deg)}40%{transform:scale(1.2) rotate(8deg)}60%{transform:scale(1.1) rotate(-4deg)}80%{transform:scale(1.05) rotate(2deg)}to{transform:scale(1) rotate(0)}}.dead-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:5rem;background:#00000080;border-radius:var(--radius);animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.tamagotchi.happy .pet-display{background:linear-gradient(180deg,rgba(34,197,94,.12),transparent)}.tamagotchi.sad .pet-display{background:linear-gradient(180deg,rgba(239,68,68,.1),transparent)}.tamagotchi.dead .pet-display{background:linear-gradient(180deg,rgba(0,0,0,.15),transparent)}.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem;padding:1rem 1.5rem}.stat-bar{background:var(--bg);border-radius:var(--radius-sm);padding:.875rem;border:1px solid var(--border);transition:border-color .2s,box-shadow .2s}.stat-bar:hover{border-color:var(--accent);box-shadow:var(--shadow)}.stat-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.5rem;gap:.5rem}.stat-emoji{font-size:1.125rem}.stat-label{font-size:.8rem;font-weight:500;color:var(--text);text-transform:capitalize}.stat-value{font-size:.8rem;font-weight:600;font-variant-numeric:tabular-nums;color:var(--text-muted)}.stat-fill-container{height:8px;background:var(--border);border-radius:4px;overflow:hidden}.stat-fill{height:100%;border-radius:4px;transition:width .4s ease-out,background .2s}.stat-bar.good .stat-fill{background:var(--good)}.stat-bar.warn .stat-fill{background:var(--warn)}.stat-bar.critical .stat-fill{background:var(--critical)}.actions{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem;padding:1rem 1.5rem 1.5rem}.action-btn{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:1rem;background:var(--card);border:2px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:all .2s ease;color:var(--text)}.action-btn:hover:not(:disabled){border-color:var(--accent);background:#e07b3914;transform:translateY(-2px);box-shadow:var(--shadow-hover)}.action-btn:active:not(:disabled){transform:translateY(0) scale(.98)}.action-btn.active{border-color:var(--accent);background:#e07b3926;animation:pulse .4s ease-out}@keyframes pulse{0%{box-shadow:0 0 0 0 var(--accent)}70%{box-shadow:0 0 0 8px transparent}to{box-shadow:0 0 0 0 transparent}}.action-btn:disabled{opacity:.5;cursor:not-allowed}.action-emoji{font-size:1.75rem;line-height:1}.action-label{font-size:.8rem;font-weight:500}.dead-screen{text-align:center;padding:2rem 1.5rem}.dead-screen h2{font-size:1.125rem;margin-bottom:.5rem}.death-cause{color:var(--text-muted);margin-bottom:1.5rem}.survival-stats{background:var(--bg);border-radius:var(--radius-sm);padding:1rem;margin-bottom:1.5rem;text-align:left}.stat-row{display:flex;justify-content:space-between;align-items:center;padding:.5rem 0;border-bottom:1px solid var(--border)}.stat-row:last-child{border-bottom:none}.stat-label{font-size:.85rem;color:var(--text-muted)}.stat-value{font-size:.95rem;font-weight:600;font-variant-numeric:tabular-nums}.stat-value.survival-time{color:var(--accent)}.stat-value.highscore{color:#fbbf24}.new-record{margin-top:.75rem;padding-top:.75rem;border-top:1px solid var(--border);color:#fbbf24;font-weight:600;font-size:.9rem;animation:pulse 1.5s ease-in-out infinite}.reset-btn{padding:.875rem 2rem;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;cursor:pointer;transition:background .2s,transform .1s}.reset-btn:hover{background:var(--accent-hover)}.reset-btn:active{transform:scale(.97)}.tamagotchi footer{padding:1rem 1.5rem;border-top:1px solid var(--border);text-align:center}.next-tick{font-size:.75rem;color:var(--text-muted);font-variant-numeric:tabular-nums}.name-prompt-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;padding:1rem;z-index:1000;animation:fadeIn .2s ease}.name-prompt{background:var(--card);border-radius:var(--radius);padding:2rem;width:100%;max-width:340px;text-align:center;box-shadow:var(--shadow-hover);animation:slideUp .3s ease-out}.name-prompt h2{font-size:1.5rem;margin-bottom:.5rem}.name-prompt p{color:var(--text-muted);margin-bottom:1.5rem}.name-prompt input{width:100%;padding:.875rem 1rem;font-size:1rem;border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);margin-bottom:1rem;transition:border-color .2s}.name-prompt input:focus{outline:none;border-color:var(--accent)}.name-prompt button{width:100%;padding:.875rem;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s}.name-prompt button:hover{background:var(--accent-hover)}@media (max-width: 480px){.pet-emoji{font-size:4.5rem}.action-emoji{font-size:1.5rem}.stat-bar{padding:.75rem}}