:root{--bg-primary: #0a0a1a;--bg-secondary: #0d0d2b;--bg-dark: #050510;--neon-cyan: #00ffcc;--neon-magenta: #ff00ff;--neon-purple: #7850ff;--neon-amber: #ffaa00;--text-primary: #e0e0ff;--text-secondary: #a0a0d0;--text-muted: #606090;--glass-bg: rgba(10, 15, 30, .75);--glass-border: rgba(0, 255, 204, .15);--font-display: "Orbitron", monospace;--font-body: "Inter", system-ui, sans-serif;--font-mono: "JetBrains Mono", monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-body);line-height:1.6;min-height:100vh;overflow-x:hidden}.full-screen-app{position:relative;width:100%;min-height:100vh}.camera-stage{position:relative;width:100vw;height:100svh;background:var(--bg-dark);overflow:hidden;display:flex;align-items:center;justify-content:center}.camera-canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.start-screen{position:relative;z-index:5;display:flex;flex-direction:column;align-items:center;gap:1.5rem;text-align:center}.start-graphic svg{width:120px;height:120px;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.start-btn{font-family:var(--font-display);font-size:1.2rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--bg-dark);background:linear-gradient(135deg,var(--neon-cyan),#00cc99);border:none;border-radius:50px;padding:1rem 3rem;cursor:pointer;display:flex;align-items:center;gap:.75rem;transition:all .3s ease;box-shadow:0 0 30px #0fc6,0 0 60px #0fc3;animation:pulse-glow 2s ease-in-out infinite}.start-btn:hover{transform:scale(1.05);box-shadow:0 0 40px #0fc9,0 0 80px #00ffcc4d}.start-btn:active{transform:scale(.98)}.start-btn:disabled{opacity:.5;cursor:not-allowed;animation:none}.start-btn-icon{font-size:1rem}@keyframes pulse-glow{0%,to{box-shadow:0 0 30px #0fc6,0 0 60px #0fc3}50%{box-shadow:0 0 50px #0fc9,0 0 100px #00ffcc4d}}.start-hint{color:var(--text-secondary);font-size:.9rem;max-width:300px}.keyboard-mode-link{background:none;border:none;color:var(--text-muted);font-size:.85rem;cursor:pointer;text-decoration:underline;text-underline-offset:3px;transition:color .2s}.keyboard-mode-link:hover{color:var(--neon-cyan)}.keyboard-mode-screen{position:relative;z-index:5;display:flex;flex-direction:column;align-items:center;gap:2rem;padding:2rem}.keyboard-chord-display{text-align:center}.keyboard-chord-name{display:block;font-family:var(--font-display);font-size:4rem;font-weight:900;color:var(--neon-cyan);text-shadow:0 0 30px rgba(0,255,204,.5);line-height:1}.keyboard-chord-roman{display:block;font-family:var(--font-mono);font-size:1.2rem;color:var(--neon-magenta);margin-top:.5rem}.keyboard-volume-bar{width:200px;height:8px;background:#ffffff1a;border-radius:4px;overflow:hidden}.keyboard-volume-fill{height:100%;background:linear-gradient(90deg,var(--neon-cyan),var(--neon-magenta));border-radius:4px;transition:width .15s ease}.keyboard-shortcuts-card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;padding:1.5rem 2rem;backdrop-filter:blur(10px);max-width:400px;width:100%}.keyboard-shortcuts-card h3{font-family:var(--font-display);font-size:.9rem;color:var(--neon-cyan);margin-bottom:1rem;text-align:center}.shortcut-grid{display:grid;gap:.6rem;font-size:.85rem;color:var(--text-secondary)}.shortcut-grid kbd{display:inline-block;padding:.1rem .4rem;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:4px;font-family:var(--font-mono);font-size:.75rem;margin:0 .1rem}.back-to-camera-btn{background:none;border:1px solid var(--glass-border);color:var(--text-secondary);padding:.5rem 1rem;border-radius:20px;cursor:pointer;font-size:.85rem;transition:all .2s}.back-to-camera-btn:hover{border-color:var(--neon-cyan);color:var(--neon-cyan)}.loading-screen{position:relative;z-index:5;display:flex;flex-direction:column;align-items:center;gap:1rem}.spinner{width:50px;height:50px;border:3px solid rgba(0,255,204,.2);border-top-color:var(--neon-cyan);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen p{color:var(--text-muted);font-size:.9rem}.error-screen{position:relative;z-index:5;display:flex;flex-direction:column;align-items:center;gap:1rem;padding:2rem;max-width:500px}.error-message{background:#ff32321a;border:1px solid rgba(255,50,50,.3);border-radius:12px;padding:1rem 1.5rem;color:#f66;font-size:.9rem;text-align:center;width:100%}.retry-btn{background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-primary);padding:.6rem 1.5rem;border-radius:20px;cursor:pointer;font-size:.9rem;transition:all .2s}.retry-btn:hover{border-color:var(--neon-cyan)}.hand-tag-overlay{position:absolute;top:1rem;left:50%;transform:translate(-50%);display:flex;gap:.5rem;z-index:10}.hand-tag{font-family:var(--font-display);font-size:.6rem;letter-spacing:.1em;padding:.2rem .6rem;border-radius:4px;background:#0009;border:1px solid}.hand-tag.left{border-color:var(--neon-cyan);color:var(--neon-cyan)}.hand-tag.right{border-color:var(--neon-magenta);color:var(--neon-magenta)}.app-title{position:absolute;top:1rem;right:1.5rem;z-index:10;font-family:var(--font-display);font-size:.75rem;letter-spacing:.1em;color:#fff6;text-transform:uppercase}.floating-panel{position:absolute;top:1rem;left:1rem;z-index:20;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;padding:1rem;backdrop-filter:blur(12px);display:flex;flex-direction:column;gap:.75rem;max-width:200px}.panel-section{display:flex;flex-direction:column;gap:.4rem}.panel-label{font-family:var(--font-display);font-size:.55rem;letter-spacing:.15em;text-transform:uppercase;color:var(--text-muted)}.timbre-selector{display:grid;grid-template-columns:1fr 1fr;gap:.3rem}.timbre-btn{display:flex;align-items:center;gap:.3rem;padding:.35rem .5rem;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:8px;cursor:pointer;transition:all .2s;font-size:.7rem;color:var(--text-secondary)}.timbre-btn:hover{background:#00ffcc14;border-color:#0fc3}.timbre-btn.active{background:#00ffcc1f;border-color:var(--neon-cyan);color:var(--neon-cyan)}.timbre-icon{font-size:.9rem}.timbre-text{font-size:.65rem}.loading-hint{font-size:.6rem;color:var(--neon-amber);font-style:italic}.mode-toggle{display:flex;gap:.3rem}.mode-btn{flex:1;padding:.35rem;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:8px;cursor:pointer;font-size:.65rem;color:var(--text-secondary);transition:all .2s}.mode-btn:hover{background:#7850ff14}.mode-btn.active{background:#7850ff26;border-color:var(--neon-purple);color:var(--neon-purple)}.record-btn{display:flex;align-items:center;gap:.4rem;padding:.4rem .8rem;background:#ff323214;border:1px solid rgba(255,50,50,.2);border-radius:20px;cursor:pointer;font-size:.7rem;color:#f55;transition:all .2s}.record-btn:hover{background:#ff323226}.record-btn.recording{animation:pulse-record 1s ease-in-out infinite}.record-dot{width:8px;height:8px;border-radius:50%;background:#f33}.record-btn.recording .record-dot{animation:blink-dot .8s ease-in-out infinite}@keyframes pulse-record{0%,to{box-shadow:0 0 5px #ff323233}50%{box-shadow:0 0 15px #ff323266}}@keyframes blink-dot{0%,to{opacity:1}50%{opacity:.3}}.mobile-panel-toggle{position:absolute;bottom:5rem;right:1rem;z-index:25;width:48px;height:48px;border-radius:50%;background:var(--glass-bg);border:1px solid var(--glass-border);backdrop-filter:blur(12px);font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center}.mobile-drawer{position:absolute;bottom:0;left:0;right:0;z-index:30;background:var(--glass-bg);border-top:1px solid var(--glass-border);border-radius:20px 20px 0 0;backdrop-filter:blur(16px);padding:1rem;animation:slide-up .3s ease}@keyframes slide-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}.drawer-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;font-family:var(--font-display);font-size:.8rem;color:var(--text-primary)}.drawer-header button{background:none;border:none;color:var(--text-muted);font-size:1.2rem;cursor:pointer}.drawer-content{display:flex;flex-direction:column;gap:1rem}.status-bar-bottom{position:absolute;bottom:0;left:0;right:0;z-index:15;background:#050510d9;border-top:1px solid rgba(0,255,204,.1);backdrop-filter:blur(8px);padding:.6rem 1.5rem;display:flex;align-items:center;gap:1.5rem;font-size:.85rem}.status-chord{font-family:var(--font-mono);font-weight:500;color:var(--neon-cyan);display:flex;align-items:center;gap:.4rem}.status-roman{font-size:.7rem;color:var(--neon-magenta);opacity:.8}.status-volume{display:flex;align-items:center;gap:.5rem;flex:1;max-width:200px}.status-label{font-size:.65rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em}.status-volume-track{flex:1;height:6px;background:#ffffff14;border-radius:3px;overflow:hidden}.status-volume-fill{height:100%;background:linear-gradient(90deg,var(--neon-cyan),var(--neon-magenta));border-radius:3px;transition:width .15s ease}.status-timbre{font-family:var(--font-mono);font-size:.8rem;color:var(--text-secondary)}.stop-btn-floating{position:fixed;top:1rem;right:1rem;z-index:100;font-family:var(--font-display);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;padding:.5rem 1rem;background:#ff323226;border:1px solid rgba(255,50,50,.3);border-radius:20px;color:#f55;cursor:pointer;transition:all .2s}.stop-btn-floating:hover{background:#ff323240}.desktop-only{display:flex}.mobile-only{display:none}@media(max-width:768px){.desktop-only{display:none!important}.mobile-only{display:flex!important}.camera-stage{height:100svh}.app-title{font-size:.6rem;top:.5rem;right:.75rem}.start-btn{font-size:1rem;padding:.8rem 2rem}.start-graphic svg{width:80px;height:80px}.keyboard-chord-name{font-size:3rem}.status-bar-bottom{padding:.5rem 1rem;font-size:.75rem;gap:1rem}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:#0fc3;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#0fc6}::selection{background:#00ffcc40;color:var(--text-primary)}