:root{--bg: #0b0e14;--bg-elevated: #121722;--bg-card: #161d2b;--border: #243046;--text: #e6ecf5;--text-dim: #8a94ab;--accent: #7ce7ff;--accent-dim: #2aa7c7;--ok: #4ade80;--warn: #fbbf24;--danger: #f87171;--radius: 14px;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:radial-gradient(1200px 800px at 50% -10%,#10182a 0%,var(--bg) 55%);color:var(--text);font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}.app{min-height:100%;display:flex;flex-direction:column;align-items:center;padding:24px 16px 40px;gap:20px}.app-header{text-align:center;-webkit-user-select:none;user-select:none}.app-title{margin:0;font-size:clamp(1.6rem,4vw,2.2rem);font-weight:800;letter-spacing:.14em;background:linear-gradient(120deg,var(--text) 20%,var(--accent) 90%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.app-subtitle{margin:6px 0 0;color:var(--text-dim);font-size:.85rem;letter-spacing:.08em;text-transform:uppercase}.app-main{width:100%;max-width:960px}.app:not(.is-debug){height:100dvh;min-height:100dvh;padding:0;gap:0}.app:not(.is-debug) .app-header{display:none}.app:not(.is-debug) .app-main,.app:not(.is-debug) .camera-view,.app:not(.is-debug) .camera-frame{width:100%;max-width:none;height:100%}.app:not(.is-debug) .camera-frame{border:0;border-radius:0;box-shadow:none}.camera-view{display:flex;flex-direction:column;gap:14px}.camera-frame{position:relative;width:100%;border-radius:var(--radius);overflow:hidden;background:#000;border:1px solid var(--border);box-shadow:0 18px 50px #0000008c}.person-mask-canvas{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.camera-video{display:block;width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}.hand-overlay{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none;transform:scaleX(-1);z-index:2}.shadow-clone-effect-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none;transform:scaleX(-1);z-index:3}.rasengan-effect-canvas,.lightning-effect-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none;transform:scaleX(-1);z-index:4}.magic-circle-effect-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none;transform:scaleX(-1);z-index:5}.camera-message{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:20px;text-align:center;background:#070a10d1;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.camera-message-text{margin:0;max-width:34ch;color:var(--text-dim);font-size:1rem;line-height:1.5}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--accent-dim);background:linear-gradient(180deg,#12313c,#0d2430);color:var(--accent);font:inherit;font-weight:700;letter-spacing:.08em;padding:12px 26px;border-radius:10px;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,filter .12s ease}.btn:hover{filter:brightness(1.15);box-shadow:0 0 0 1px var(--accent),0 6px 24px #7ce7ff40}.btn:active{transform:translateY(1px) scale(.99)}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.camera-live-badge{position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;gap:7px;padding:5px 10px;border-radius:999px;background:#070a1099;border:1px solid rgba(74,222,128,.5);color:var(--ok);font-size:.7rem;font-weight:800;letter-spacing:.16em;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.camera-live-dot{width:8px;height:8px;border-radius:50%;background:var(--ok);animation:pulse 1.6s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}.camera-readouts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.readout{display:flex;flex-direction:column;gap:4px;padding:12px 16px;border-radius:12px;background:var(--bg-card);border:1px solid var(--border)}.readout-label{color:var(--text-dim);font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase}.readout-value{font-size:1.05rem;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.04em}.status-ready{color:var(--ok)}.status-loading,.status-idle{color:var(--warn)}.status-permission-denied,.status-no-device,.status-error,.status-unsupported{color:var(--danger)}.status-hand-ready{color:var(--ok)}.status-hand-loading{color:var(--warn)}.status-hand-error{color:var(--danger)}.vision-readouts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:14px}.gesture-debug{margin-top:14px;padding:16px;border-radius:var(--radius);background:var(--bg-card);border:1px solid var(--border);display:flex;flex-direction:column;gap:12px}.rasengan-debug{margin-top:14px;padding:16px;border-radius:var(--radius);background:linear-gradient(135deg,rgba(8,43,91,.72),var(--bg-card));border:1px solid rgba(73,181,255,.45);display:flex;flex-direction:column;gap:12px}.magic-circle-debug{margin-top:14px;padding:16px;border-radius:var(--radius);background:linear-gradient(135deg,rgba(85,35,105,.72),var(--bg-card));border:1px solid rgba(225,116,255,.45);display:flex;flex-direction:column;gap:12px}.lightning-debug{margin-top:14px;padding:16px;border-radius:var(--radius);background:linear-gradient(135deg,rgba(0,60,90,.72),var(--bg-card));border:1px solid rgba(0,220,255,.45);display:flex;flex-direction:column;gap:12px}.gesture-debug-title{margin:0;font-size:.85rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim)}.gesture-debug-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}.hand-card{padding:12px;border-radius:10px;background:var(--bg-elevated);border:1px solid var(--border)}.hand-card-title{margin:0 0 8px;font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim)}.hand-card-empty{margin:0;color:var(--text-dim);font-size:.85rem}.finger-list{display:flex;flex-direction:column;gap:4px}.finger-row{display:flex;align-items:center;justify-content:space-between;font-size:.85rem}.finger-row-label{color:var(--text-dim)}.finger-row-mark{font-variant-numeric:tabular-nums;min-width:1.5em;text-align:right}.finger-row-mark.is-fail{filter:grayscale(.2)}.gesture-debug-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:.85rem}.gesture-debug-label{color:var(--text-dim);text-transform:uppercase;font-size:.7rem;font-weight:700;letter-spacing:.1em}.gesture-debug-value{font-variant-numeric:tabular-nums}.gesture-detection-badge{align-self:flex-start;padding:6px 16px;border-radius:999px;font-size:.75rem;font-weight:800;letter-spacing:.14em;background:#f871711f;border:1px solid var(--danger);color:var(--danger)}.gesture-detection-badge.is-ready{background:#4ade801f;border-color:var(--ok);color:var(--ok);box-shadow:0 0 18px #4ade8040}@media(max-width:600px){.app{padding:16px 10px 28px;gap:14px}.camera-readouts{grid-template-columns:1fr 1fr;gap:10px}.readout{padding:10px 12px}}@media(prefers-reduced-motion:reduce){.camera-live-dot{animation:none}}.app-footer{display:flex;align-items:center;gap:12px;padding:8px 0 4px;font-size:.78rem;color:var(--text-dim);-webkit-user-select:none;user-select:none}.app:not(.is-debug) .app-footer{display:none}.app-footer-link{color:var(--text-dim);text-decoration:none;letter-spacing:.05em;transition:color .15s ease}.app-footer-link:hover{color:var(--accent)}.app-footer-sep{opacity:.4}.settings-toggle-btn{position:absolute;top:24px;right:24px;background:#070a1099;border:1px solid var(--border);color:var(--text-dim);font-size:1.8rem;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:20;transition:color .15s,border-color .15s,transform .15s}.settings-toggle-btn:hover{color:var(--text);border-color:var(--accent-dim);transform:scale(1.05)}.onboarding-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:20px;background:#070a10b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.onboarding-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:36px;max-width:400px;width:100%;text-align:center;box-shadow:0 16px 40px #0009}.onboarding-title{margin:0 0 12px;font-size:1.4rem;font-weight:800;color:var(--accent);letter-spacing:.1em}.onboarding-desc{color:var(--text-dim);margin:0 0 28px;font-size:.95rem}.gesture-guide{display:flex;flex-direction:column;gap:14px;text-align:left;margin-bottom:36px;background:#00000059;padding:20px;border-radius:12px}.settings-section .gesture-guide{margin-bottom:0;padding:16px}.gesture-row{display:flex;align-items:center;gap:12px;font-size:.95rem;font-weight:500}.gesture-icon{width:24px;text-align:center}.gesture-info{display:flex;flex-direction:column;gap:2px}.gesture-desc{color:var(--text-dim);font-size:.85rem}.gesture-name{color:var(--text);font-weight:700}.gesture-visual{margin-left:auto;opacity:.8;height:32px;width:32px;background:#ffffff0d;border-radius:6px;display:flex;align-items:center;justify-content:center}.gesture-visual img{max-width:100%;max-height:100%;object-fit:contain}.onboarding-btn{width:100%}.settings-panel-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:40}.settings-panel{position:absolute;top:80px;right:24px;width:320px;background:#0a0e15f2;border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:0 8px 32px #00000080;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:50;display:flex;flex-direction:column;gap:24px;max-height:calc(100vh - 100px);overflow-y:auto}@media(max-width:480px){.settings-panel{top:0;right:0;width:100%;height:100vh;max-height:100vh;border-radius:0;border:none}}.settings-header{display:flex;justify-content:space-between;align-items:center}.settings-header h2{margin:0;font-size:1.1rem;font-weight:700;color:var(--text);letter-spacing:.05em}.settings-close{background:none;border:none;color:var(--text-dim);font-size:1.3rem;cursor:pointer;padding:4px;line-height:1}.settings-close:hover{color:var(--text)}.settings-section{display:flex;flex-direction:column;gap:12px}.settings-section-title{margin:0;font-size:.7rem;font-weight:700;color:var(--text-dim);letter-spacing:.15em;text-transform:uppercase}.settings-toggle-row{display:flex;justify-content:space-between;align-items:center;font-size:.9rem;font-weight:500;color:var(--text);padding:4px 0}.toggle-btn{background:none;border:none;font:inherit;font-weight:700;cursor:pointer;padding:4px 8px;border-radius:4px}.toggle-btn.is-on{color:var(--accent)}.toggle-btn.is-off{color:var(--text-dim)}.toggle-btn:hover{background:#ffffff0d}.settings-links{display:flex;gap:20px}.settings-link{color:var(--accent);text-decoration:none;font-size:.9rem;font-weight:600}.settings-link:hover{text-decoration:underline}.action-btn{background:#ffffff0a;border:1px solid var(--border);color:var(--text);padding:12px 16px;border-radius:8px;cursor:pointer;font-weight:600;font-size:.9rem;text-align:left;transition:background .15s,border-color .15s}.action-btn:hover:not(:disabled){background:#ffffff14;border-color:var(--accent-dim)}