:root{--font-display: "Sora", sans-serif;--font-body: "Sora", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, monospace;--bg: #08080c;--surface: #12121a;--surface-hover: #1a1a24;--text-bright: #ffffff;--text: #f0eff4;--text-muted: #9998a5;--text-subtle: #6b6a76;--accent: #c9a84c;--accent-active: #e8d48b;--accent-secondary: #a78bfa;--accent-secondary-light: #c4b5fd;--danger: #ff5f5f;--border: #1e1e2a;--border-hover: #2d2d3a;--backdrop: rgba(8, 8, 12, .85);--backdrop-heavy: rgba(8, 8, 12, .88);--accent-glow: rgba(201, 168, 76, .06);--accent-glow-strong: rgba(201, 168, 76, .3);--accent-secondary-bg: rgba(167, 139, 250, .08);--accent-secondary-border: rgba(167, 139, 250, .2);--danger-bg: rgba(255, 95, 95, .15);--danger-border: rgba(255, 95, 95, .4);--danger-glow: rgba(255, 95, 95, .4);--detected-key-bg: rgba(201, 168, 76, .15);--detected-key-border: rgba(201, 168, 76, .4);--toolbar-bg: rgba(8, 8, 12, .7)}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:var(--font-body);overflow:hidden;width:100vw;height:100vh}#app{width:100%;height:100%;position:relative}#loading{position:fixed;inset:0;z-index:100;background:var(--bg);display:flex;align-items:center;justify-content:center}#loading.hidden{display:none}.camera-denied{text-align:center;max-width:400px;padding:0 1.5rem}.camera-denied-icon{font-size:3rem;margin-bottom:1rem;opacity:.7}.camera-denied h2{font-size:1.2rem;font-weight:700;color:var(--text);margin-bottom:.75rem}.camera-denied p{font-size:.85rem;color:var(--text-muted);line-height:1.5;margin-bottom:1rem}.camera-denied-retry{font-size:.85rem!important;padding:.6rem 1.6rem!important;background:var(--accent)!important;color:var(--bg)!important;border-color:var(--accent)!important;margin-bottom:1rem}.camera-denied-retry:hover{background:var(--accent-active)!important;border-color:var(--accent-active)!important}.camera-denied-hint{font-size:.75rem!important;color:var(--text-subtle)!important;margin-bottom:0!important}.loading-content{text-align:center}.loading-content p{margin-top:1rem;font-size:.9rem;color:var(--text-muted)}.spinner{width:40px;height:40px;margin:0 auto;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.camera-denied{text-align:center;max-width:420px;padding:2rem;font-family:var(--font-body)}.denied-icon{font-size:3rem;margin-bottom:.75rem}.denied-title{font-family:var(--font-display);font-size:2rem;font-weight:700;color:var(--accent-secondary);margin:0 0 .25rem}.denied-tagline{font-size:1rem;color:var(--accent-secondary-light);margin:0 0 1.25rem}.denied-divider{width:48px;height:2px;background:var(--accent-secondary);margin:0 auto 1.25rem;border-radius:1px}.denied-explain{font-size:.9rem;color:var(--text-muted);line-height:1.6;margin:0 0 1.5rem}.denied-steps{text-align:left;background:var(--accent-secondary-bg);border:1px solid var(--accent-secondary-border);border-radius:10px;padding:1rem 1.25rem;margin-bottom:1.5rem}.denied-steps-heading{font-size:.85rem;font-weight:600;color:var(--text);margin:0 0 .5rem}.denied-steps ol{margin:0;padding-left:1.25rem;color:var(--text-muted);font-size:.85rem;line-height:1.8}.denied-reload{display:inline-block;background:var(--accent-secondary);color:var(--bg);border:none;border-radius:8px;padding:.6rem 1.5rem;font-size:.9rem;font-weight:600;cursor:pointer;margin-bottom:1.5rem;transition:background .15s}.denied-reload:hover{background:var(--accent-secondary-light)}.denied-reload:focus-visible{outline:2px solid var(--accent-secondary);outline-offset:2px}.denied-about{text-align:left;margin-bottom:1.25rem}.denied-about-heading{font-size:.8rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin:0 0 .4rem}.denied-about p:last-child{font-size:.85rem;color:var(--text-muted);line-height:1.6;margin:0}.denied-back{color:var(--accent-secondary);font-size:.85rem;text-decoration:none}.denied-back:hover{text-decoration:underline}#toolbar{position:fixed;top:0;left:0;right:0;z-index:10;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.6rem 1rem;background:var(--toolbar-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);flex-wrap:wrap}#mode-selector{display:flex;gap:.25rem}#mode-controls{display:flex;gap:.25rem;align-items:center;flex-wrap:wrap}.btn{padding:.55rem .9rem;min-height:44px;border:1px solid var(--border-hover);border-radius:20px;background:var(--surface);color:var(--text-muted);font-family:var(--font-mono);font-size:.75rem;font-weight:600;cursor:pointer;transition:background .15s ease,color .15s ease,border-color .15s ease,box-shadow .15s ease;text-transform:uppercase;letter-spacing:.05em;-webkit-user-select:none;user-select:none}.btn:hover{border-color:var(--text-subtle);color:var(--text)}.btn:focus-visible{outline:2px solid var(--accent-secondary);outline-offset:2px}.btn.active{background:var(--accent);color:var(--bg);border-color:var(--accent)}.btn.active-pink{background:var(--accent-secondary);color:var(--bg);border-color:var(--accent-secondary)}.btn.mode-btn.active{background:var(--text-bright);color:var(--bg);border-color:var(--text-bright)}.btn.active-listen{background:var(--danger);color:var(--text-bright);border-color:var(--danger);animation:listen-pulse 1.5s ease-in-out infinite}@keyframes listen-pulse{0%,to{box-shadow:0 0 0 0 var(--danger-glow)}50%{box-shadow:0 0 0 6px transparent}}.detected-key-badge{padding:.3rem .7rem;border-radius:12px;background:var(--detected-key-bg);border:1px solid var(--detected-key-border);color:var(--accent);font-family:var(--font-mono);font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.divider{width:1px;height:24px;background:var(--border-hover);margin:0 .5rem}.toolbar-select{padding:.35rem 1.4rem .35rem .6rem;min-height:44px;border:1px solid var(--border-hover);border-radius:12px;background:var(--surface);color:var(--text);font-family:var(--font-mono);font-size:.7rem;font-weight:600;cursor:pointer;outline:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%239998a5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .5rem center;text-transform:uppercase;letter-spacing:.05em}.toolbar-select:hover{border-color:var(--text-subtle)}.toolbar-select:focus-visible{border-color:var(--accent-secondary);outline:2px solid var(--accent-secondary);outline-offset:2px}.toolbar-select option{background:var(--surface);color:var(--text)}#viewport{width:100%;height:100%;position:relative}#webcam{width:100%;height:100%;object-fit:cover;transform:scaleX(-1);display:block}#overlay{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}#welcome-popup{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .35s ease;pointer-events:none}#welcome-popup.visible{opacity:1;pointer-events:all}#welcome-popup.dismissing{opacity:0;pointer-events:none}.welcome-backdrop{position:absolute;inset:0;background:var(--backdrop-heavy);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.welcome-card{position:relative;max-width:420px;width:90vw;padding:2rem 1.8rem;background:var(--surface);border:1px solid var(--border);border-radius:16px;text-align:center;box-shadow:0 0 60px var(--accent-glow);transform:translateY(12px);animation:welcome-slide-up .5s ease forwards}@keyframes welcome-slide-up{to{transform:translateY(0)}}.welcome-badge{display:inline-block;padding:.2rem .7rem;border-radius:6px;background:var(--danger-bg);border:1px solid var(--danger-border);color:var(--danger);font-family:var(--font-mono);font-size:.6rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;margin-bottom:.8rem}.welcome-title{font-family:var(--font-display);font-size:1.4rem;font-weight:700;letter-spacing:-.02em;color:var(--text-bright);margin-bottom:.3rem}.welcome-subtitle{font-size:.8rem;color:var(--text-muted);margin-bottom:1.6rem}.welcome-tutorial{text-align:left;margin-bottom:1.6rem}.tutorial-step{display:flex;gap:1rem;align-items:center;padding:.8rem 0}.tutorial-graphic{flex-shrink:0;width:80px;height:68px;display:flex;align-items:center;justify-content:center}.tutorial-svg{width:80px;height:68px}.tutorial-text{display:flex;flex-direction:column;gap:.25rem}.tutorial-label{font-family:var(--font-display);font-size:.8rem;font-weight:700;color:var(--text-bright);text-transform:uppercase;letter-spacing:.04em}.tutorial-desc{font-size:.7rem;color:var(--text-muted);line-height:1.5}.tutorial-divider{height:1px;background:var(--border);margin:.2rem 0}.welcome-btn{display:inline-block;padding:.75rem 2.4rem;border:none;border-radius:28px;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-active) 100%);color:var(--bg);font-family:inherit;font-size:.85rem;font-weight:700;letter-spacing:.04em;cursor:pointer;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;text-transform:uppercase}.welcome-btn:hover{transform:scale(1.04);box-shadow:0 0 20px var(--accent-glow-strong)}.welcome-btn:focus-visible{outline:2px solid var(--accent-secondary);outline-offset:3px}.welcome-btn:active{transform:scale(.98)}.tempo-display{padding:.3rem .7rem;border-radius:12px;background:var(--accent-secondary-bg);border:1px solid var(--accent-secondary-border);color:var(--accent-secondary);font-family:var(--font-mono);font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.conductor-play-btn.active{background:var(--accent);color:var(--bg);border-color:var(--accent)}.generative-btn{font-size:.7rem!important}#start-prompt{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;background:var(--backdrop);cursor:pointer}#start-prompt.hidden{display:none}#start-prompt .prompt-content{text-align:center}#start-prompt h1{font-size:2rem;margin-bottom:.5rem;letter-spacing:-.02em}#start-prompt p{color:var(--text-muted);font-size:.9rem}