:root{--primary:#10b981;--primary-light:#34d399;--primary-dark:#047857;--primary-glow:#10b98126;--primary-glow-strong:#10b9814d;--accent:#f59e0b;--accent-bg:#f59e0b1f;--error:#f43f5e;--bg-color:#f8fafc;--bg-subtle:#f1f5f9;--surface:#fff;--surface-raised:#fff;--surface-glass:#ffffffe0;--surface-border:#10b9811f;--surface-border-subtle:#10b9810d;--surface-border-strong:#10b98138;--text-primary:#0f172a;--text-secondary:#334155;--text-tertiary:#475569;--text-on-primary:#fff;--radius-xs:6px;--radius-sm:10px;--radius-md:14px;--radius-lg:20px;--radius-xl:28px;--radius-full:9999px;--safe-area-bottom:env(safe-area-inset-bottom,0px);--shadow-xs:0 1px 2px #0000000a;--shadow-sm:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow-md:0 4px 6px -1px #00000014, 0 2px 4px -2px #0000000a;--shadow-lg:0 10px 20px -4px #00000014, 0 4px 8px -4px #0000000a;--shadow-xl:0 20px 40px -8px #0000001a, 0 8px 16px -8px #0000000f;--shadow-hover:0 12px 24px -4px #0000001f, 0 4px 8px -2px #0000000f;--shadow-primary:0 8px 20px -4px #10b98159;--ease:cubic-bezier(.16, 1, .3, 1);--ease-spring:cubic-bezier(.34, 1.56, .64, 1);--transition-fast:.18s var(--ease);--transition-base:.3s var(--ease);--transition-slow:.5s var(--ease);--gradient-primary:linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);--gradient-surface:linear-gradient(180deg, var(--surface) 0%, var(--bg-subtle) 100%);--card-bg:var(--surface);--input-bg:var(--bg-color);--gradient-bg:var(--gradient-primary);--border-radius:var(--radius-md);--shadow:var(--shadow-md)}.dark{--bg-color:#0b1a14;--bg-subtle:#0a1610;--surface:#0f2419;--surface-raised:#142e20;--surface-border:#1a936f38;--surface-border-subtle:#1a936f14;--surface-border-strong:#1a936f59;--text-primary:#ecfdf5;--text-secondary:#d1fae5;--text-tertiary:#a7f3d0;--shadow-xl:0 24px 48px -8px #0009, 0 12px 24px -8px #0006;--shadow-sm:0 2px 4px #00000040, 0 1px 2px #00000026;--shadow-md:0 8px 16px -4px #0006, 0 4px 8px -2px #00000040;--shadow-primary:0 8px 24px -4px #34d39940;--card-bg:var(--surface);--input-bg:#132e22}html.font-normal{font-size:14px}html.font-large{font-size:17px}html.font-xlarge{font-size:21px}*,:before,:after{box-sizing:border-box}html,body{margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Noto Sans TC,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.toast-container{z-index:9999;pointer-events:none;flex-direction:column;gap:8px;width:max-content;max-width:calc(100vw - 32px);display:flex;position:fixed;bottom:20px;left:50%;transform:translate(-50%)}.toast{border-radius:var(--radius-md);color:#fff;box-shadow:var(--shadow-lg);pointer-events:auto;cursor:pointer;animation:toastIn .3s var(--ease) both;text-align:center;padding:12px 20px;font-size:.9375rem;font-weight:700}@keyframes toastIn{0%{opacity:0;transform:translateY(12px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}.toast-info{background:#334155}.toast-success{background:var(--primary-dark)}.toast-error{background:#dc2626}.sound-toggle-fab{z-index:9000;flex-direction:column;align-items:center;gap:8px;display:flex;position:fixed;bottom:24px;right:16px}.sound-toggle-btn{color:#fff;cursor:pointer;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;background:#1e143cd1;border:2px solid #ffffff2e;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.15rem;transition:all .2s cubic-bezier(.34,1.56,.64,1);display:flex;box-shadow:0 4px 16px #00000059,0 0 #a882ff00}.sound-toggle-btn:hover{transform:scale(1.12);box-shadow:0 6px 20px #0006,0 0 0 6px #a882ff26}.sound-toggle-btn:active{transform:scale(.92)}.sound-toggle-btn.active{background:#50328ce0;border-color:#a882ffb3;box-shadow:0 4px 16px #a882ff40,0 0 8px #a882ff26}.sound-toggle-btn.muted{opacity:.55;background:#140f28bf;border-color:#ffffff1a}.sound-toggle-btn:after{content:attr(data-tip);color:#d4b8ff;white-space:nowrap;opacity:0;pointer-events:none;background:#140a32e6;border:1px solid #a882ff33;border-radius:6px;padding:4px 8px;font-size:.72rem;transition:opacity .2s;position:absolute;right:52px}.sound-toggle-btn:hover:after{opacity:1}@keyframes pulse-ring{0%{box-shadow:0 4px 16px #00000059,0 0 #a882ff80}70%{box-shadow:0 4px 16px #00000059,0 0 0 8px #a882ff00}to{box-shadow:0 4px 16px #00000059,0 0 #a882ff00}}.sound-toggle-btn.active.playing{animation:2s ease-out infinite pulse-ring}.loading-screen{height:100vh;color:var(--text-tertiary);background-color:var(--bg-color);flex-direction:column;justify-content:center;align-items:center;gap:16px;font-size:1rem;font-weight:600;display:flex}