:root{--bg: #0a0a0f;--bg-elevated: #12121a;--bg-card: #1a1a26;--surface: rgba(255, 255, 255, .06);--surface-hover: rgba(255, 255, 255, .1);--border: rgba(255, 255, 255, .08);--text: #f2f2f7;--text-muted: #8e8e9a;--accent: #7c5cff;--accent-2: #00d4aa;--danger: #ff4d6a;--warning: #ffb020;--radius: 16px;--radius-sm: 10px;--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-top: env(safe-area-inset-top, 0px);--font: "Segoe UI", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;color-scheme:dark}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html,body,#root{width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:var(--font)}button{font:inherit;color:inherit;border:none;background:none;cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}img{max-width:100%;display:block}.app{width:100%;height:100%;display:flex;flex-direction:column;background:var(--bg);position:relative}.camera-page{flex:1;display:flex;flex-direction:column;min-height:0;position:relative;background:#000}.camera-stage{flex:1;position:relative;min-height:0;overflow:hidden;background:#000}.camera-stage video,.camera-stage canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.camera-stage video.mirrored{transform:scaleX(-1)}.camera-stage canvas.mirrored{transform:scaleX(-1)}.camera-overlay{position:absolute;inset:0;pointer-events:none;z-index:2}.top-bar{position:absolute;top:0;left:0;right:0;z-index:5;display:flex;align-items:center;justify-content:space-between;padding:calc(12px + var(--safe-top)) 16px 12px;background:linear-gradient(to bottom,rgba(0,0,0,.65),transparent);pointer-events:none}.top-bar>*{pointer-events:auto}.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:15px;letter-spacing:.02em}.brand-dot{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 0 12px #7c5cffcc}.top-actions{display:flex;gap:8px}.icon-btn{width:40px;height:40px;border-radius:50%;background:var(--surface);backdrop-filter:blur(12px);display:grid;place-items:center;border:1px solid var(--border);transition:background .15s,transform .15s}.icon-btn:hover{background:var(--surface-hover)}.icon-btn:active{transform:scale(.94)}.icon-btn.active{background:#7c5cff59;border-color:#7c5cff99}.status-chip{position:absolute;top:calc(64px + var(--safe-top));left:50%;transform:translate(-50%);z-index:5;padding:6px 14px;border-radius:999px;background:#0000008c;backdrop-filter:blur(10px);font-size:12px;color:var(--text-muted);border:1px solid var(--border);white-space:nowrap}.status-chip.recording{color:#fff;background:#ff4d6ad9;border-color:transparent;animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.bottom-bar{position:relative;z-index:5;padding:12px 16px calc(16px + var(--safe-bottom));background:linear-gradient(to top,rgba(0,0,0,.85) 60%,transparent);display:flex;flex-direction:column;gap:14px}.face-strip{display:flex;gap:10px;overflow-x:auto;padding:4px 2px;scrollbar-width:none}.face-strip::-webkit-scrollbar{display:none}.face-thumb{flex:0 0 auto;width:56px;height:56px;border-radius:50%;overflow:hidden;border:2px solid transparent;position:relative;background:var(--bg-card);transition:border-color .15s,transform .15s}.face-thumb img{width:100%;height:100%;object-fit:cover}.face-thumb.selected{border-color:var(--accent-2);box-shadow:0 0 0 2px #00d4aa40;transform:scale(1.06)}.face-thumb.add{display:grid;place-items:center;border:2px dashed rgba(255,255,255,.25);color:var(--text-muted);font-size:24px;font-weight:300}.import-menu{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;padding:4px 0 2px;animation:toast-in .2s ease}.face-thumb .name{position:absolute;bottom:0;left:0;right:0;font-size:9px;text-align:center;background:#000000a6;padding:2px 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.controls-row{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}.side-actions{display:flex;gap:10px;align-items:center}.side-actions.right{justify-content:flex-end}.mode-toggle{display:flex;background:var(--surface);border-radius:999px;padding:3px;border:1px solid var(--border)}.mode-toggle button{padding:6px 14px;border-radius:999px;font-size:13px;color:var(--text-muted);transition:all .15s}.mode-toggle button.active{background:#fff;color:#111;font-weight:600}.shutter{width:72px;height:72px;border-radius:50%;border:4px solid #fff;display:grid;place-items:center;position:relative;transition:transform .12s}.shutter:active{transform:scale(.92)}.shutter-inner{width:56px;height:56px;border-radius:50%;background:#fff;transition:all .15s}.shutter.video .shutter-inner{background:var(--danger)}.shutter.recording .shutter-inner{width:28px;height:28px;border-radius:6px;background:var(--danger)}.secondary-btn{width:44px;height:44px;border-radius:50%;background:var(--surface);border:1px solid var(--border);display:grid;place-items:center;font-size:18px}.gallery-thumb{width:44px;height:44px;border-radius:10px;overflow:hidden;border:1px solid var(--border);background:var(--bg-card)}.gallery-thumb img,.gallery-thumb video{width:100%;height:100%;object-fit:cover}.page{flex:1;min-height:0;display:flex;flex-direction:column;background:var(--bg);overflow:hidden}.page-header{display:flex;align-items:center;gap:12px;padding:calc(12px + var(--safe-top)) 16px 12px;border-bottom:1px solid var(--border);background:var(--bg-elevated)}.page-header h1{font-size:18px;font-weight:700;flex:1}.page-body{flex:1;overflow:auto;padding:16px;padding-bottom:calc(24px + var(--safe-bottom))}.faces-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}.face-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}.face-card .preview{aspect-ratio:1;background:#000;position:relative}.face-card .preview img{width:100%;height:100%;object-fit:cover}.face-card .meta{padding:10px 12px;display:flex;flex-direction:column;gap:8px}.face-card input{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:8px 10px;font-size:13px;outline:none}.face-card input:focus{border-color:var(--accent)}.face-card .actions{display:flex;gap:6px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;transition:background .15s,transform .12s;border:1px solid transparent}.btn:active{transform:scale(.97)}.btn-primary{background:linear-gradient(135deg,var(--accent),#5a3fd6);color:#fff}.btn-secondary{background:var(--surface);border-color:var(--border);color:var(--text)}.btn-danger{background:#ff4d6a26;color:var(--danger);border-color:#ff4d6a4d}.btn-sm{padding:6px 10px;font-size:12px}.btn-block{width:100%}.empty-state{text-align:center;padding:48px 20px;color:var(--text-muted)}.empty-state h3{color:var(--text);margin-bottom:8px;font-size:16px}.empty-state p{font-size:13px;line-height:1.5;margin-bottom:20px}.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}.gallery-item{aspect-ratio:1;position:relative;overflow:hidden;background:var(--bg-card);border:none;padding:0}.gallery-item img,.gallery-item video{width:100%;height:100%;object-fit:cover}.gallery-item .badge{position:absolute;top:6px;right:6px;font-size:10px;padding:2px 6px;border-radius:4px;background:#000000a6}.settings-list{display:flex;flex-direction:column;gap:10px}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius)}.setting-row .label{display:flex;flex-direction:column;gap:4px}.setting-row .label strong{font-size:14px}.setting-row .label span{font-size:12px;color:var(--text-muted);line-height:1.4}.switch{width:48px;height:28px;border-radius:999px;background:#ffffff26;position:relative;transition:background .2s;flex-shrink:0}.switch.on{background:var(--accent-2)}.switch:after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:transform .2s}.switch.on:after{transform:translate(20px)}.select{background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:8px 10px;font-size:13px;outline:none}.modal-backdrop{position:fixed;inset:0;background:#000000d9;z-index:50;display:flex;align-items:center;justify-content:center;padding:20px}.modal{width:min(480px,100%);max-height:90vh;overflow:auto;background:var(--bg-elevated);border:1px solid var(--border);border-radius:20px;padding:20px}.modal h2{font-size:18px;margin-bottom:12px}.modal p{color:var(--text-muted);font-size:13px;line-height:1.55;margin-bottom:16px}.lightbox{position:fixed;inset:0;z-index:60;background:#000000f2;display:flex;flex-direction:column}.lightbox-media{flex:1;display:grid;place-items:center;min-height:0;padding:16px}.lightbox-media img,.lightbox-media video{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px}.lightbox-actions{display:flex;gap:10px;justify-content:center;padding:12px 16px calc(16px + var(--safe-bottom));flex-wrap:wrap}.toast-host{position:fixed;top:calc(16px + var(--safe-top));left:50%;transform:translate(-50%);z-index:100;display:flex;flex-direction:column;gap:8px;pointer-events:none;width:min(360px,calc(100% - 32px))}.toast{background:#1a1a26f2;border:1px solid var(--border);color:var(--text);padding:12px 16px;border-radius:12px;font-size:13px;text-align:center;backdrop-filter:blur(12px);animation:toast-in .25s ease}@keyframes toast-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}.center-panel{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:32px;text-align:center;background:var(--bg);z-index:4}.center-panel h2{font-size:20px}.center-panel p{color:var(--text-muted);font-size:14px;line-height:1.55;max-width:320px}.flash{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none;z-index:20;transition:opacity .08s}.flash.on{opacity:.85}.hint{font-size:12px;color:var(--text-muted);line-height:1.5}.section-title{font-size:13px;color:var(--text-muted);margin:8px 0 12px;text-transform:uppercase;letter-spacing:.06em}.footer-note{margin-top:24px;padding:14px;border-radius:var(--radius);background:#7c5cff14;border:1px solid rgba(124,92,255,.2);font-size:12px;color:var(--text-muted);line-height:1.55}.install-banner{position:fixed;left:12px;right:12px;bottom:calc(12px + var(--safe-bottom));z-index:40;display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;background:#12121af5;border:1px solid rgba(124,92,255,.35);box-shadow:0 12px 40px #00000073;backdrop-filter:blur(14px);max-width:480px;margin:0 auto}.install-banner-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}@media (min-width: 900px){.camera-page{max-width:480px;margin:0 auto;border-left:1px solid var(--border);border-right:1px solid var(--border)}.page{max-width:720px;margin:0 auto}.gallery-grid{grid-template-columns:repeat(4,1fr);gap:8px}}.install-banner{position:fixed;left:12px;right:12px;bottom:calc(12px + var(--safe-bottom));z-index:80;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:16px;background:#1a1a26f5;border:1px solid rgba(124,92,255,.35);box-shadow:0 12px 40px #00000073;backdrop-filter:blur(16px)}.install-banner-text{display:flex;flex-direction:column;gap:4px;min-width:0}.install-banner-text strong{font-size:13px}.install-banner-text span{font-size:11px;color:var(--text-muted);line-height:1.4}.install-banner-actions{display:flex;gap:6px;flex-shrink:0}@media (min-width: 900px){.install-banner{max-width:456px;left:50%;right:auto;transform:translate(-50%)}}