:root{--c-primary: #4f46e5;--c-primary-2: #6366f1;--c-primary-3: #818cf8;--c-bg-0: #0b0e14;--c-bg-1: #11151f;--c-bg-2: #1a1f2e;--c-text: #e5e7eb;--c-text-dim: #9ca3af;--c-rec: #ef4444;--c-warn: #f59e0b;--c-ok: #22c55e;--radius: 16px;--glass: rgba(26, 31, 46, .55);--glass-border: rgba(129, 140, 248, .18);--shadow: 0 12px 40px rgba(0, 0, 0, .45);font-family:PingFang SC,Microsoft YaHei,system-ui,-apple-system,sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{min-height:100vh;color:var(--c-text);background:radial-gradient(1200px 600px at 80% -10%,rgba(99,102,241,.18),transparent 60%),radial-gradient(900px 500px at -10% 110%,rgba(79,70,229,.14),transparent 55%),linear-gradient(160deg,var(--c-bg-0),var(--c-bg-1) 60%,var(--c-bg-2));display:flex;align-items:center;justify-content:center;padding:24px;overflow:hidden}.app{width:min(960px,100%);background:var(--glass);border:1px solid var(--glass-border);border-radius:24px;box-shadow:var(--shadow);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);overflow:hidden;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid rgba(255,255,255,.05)}.brand{display:flex;align-items:center;gap:12px}.brand .logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--c-primary-2),var(--c-primary-3));display:grid;place-items:center;box-shadow:0 0 18px #6366f180;font-size:18px}.brand h1{font-size:18px;font-weight:600;letter-spacing:.5px}.brand .sub{font-size:12px;color:var(--c-text-dim);margin-top:2px}.top-right{display:flex;align-items:center;gap:16px}.rec-indicator{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--c-rec);padding:6px 12px;border-radius:999px;background:#ef44441a;border:1px solid rgba(239,68,68,.3)}.rec-dot{width:10px;height:10px;border-radius:50%;background:var(--c-rec);box-shadow:0 0 #ef444499;animation:breathe 1.6s ease-in-out infinite}@keyframes breathe{0%{box-shadow:0 0 #ef44448c;opacity:1}70%{box-shadow:0 0 0 9px #ef444400;opacity:.65}to{box-shadow:0 0 #ef444400;opacity:1}}.rec-indicator.idle{color:var(--c-text-dim);background:#ffffff0a;border-color:#ffffff14}.rec-indicator.idle .rec-dot{background:var(--c-text-dim);animation:none;box-shadow:none}.icon-btn{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;cursor:pointer;background:#ffffff0d;border:1px solid rgba(255,255,255,.08);color:var(--c-text);transition:all .2s ease;font-size:18px}.icon-btn:hover{background:#6366f140;border-color:var(--c-primary-3);transform:translateY(-1px);box-shadow:0 0 16px #6366f159}.stage{position:relative;margin:22px 24px;aspect-ratio:16 / 9;border-radius:var(--radius);overflow:hidden;background:repeating-linear-gradient(45deg,#0e1320 0 14px,#0c1018 14px 28px);border:1px solid rgba(255,255,255,.06);display:grid;place-items:center}.stage video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}.stage .placeholder{text-align:center;color:var(--c-text-dim);display:flex;flex-direction:column;align-items:center;gap:10px}.stage .placeholder .eye{font-size:40px;opacity:.5}.countdown-overlay{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none}.countdown{font-size:64px;font-weight:600;letter-spacing:2px;color:#fff;text-shadow:0 4px 30px rgba(0,0,0,.6),0 0 30px rgba(99,102,241,.35);font-variant-numeric:tabular-nums}.countdown.warning{color:var(--c-warn);text-shadow:0 0 30px rgba(245,158,11,.5)}.warn-banner{position:absolute;left:50%;bottom:22px;transform:translate(-50%) translateY(20px);padding:12px 26px;border-radius:999px;background:#f59e0b29;border:1px solid rgba(245,158,11,.5);color:var(--c-warn);font-size:18px;font-weight:600;letter-spacing:1px;backdrop-filter:blur(8px);opacity:0;visibility:hidden;transition:opacity .4s ease,transform .4s ease,visibility .4s;box-shadow:0 0 30px #f59e0b40;white-space:nowrap}.warn-banner.show{opacity:1;visibility:visible;transform:translate(-50%) translateY(0);animation:warnFlash 1s ease-in-out infinite}@keyframes warnFlash{0%,to{opacity:1;box-shadow:0 0 30px #f59e0b40}50%{opacity:.55;box-shadow:0 0 14px #f59e0b1a}}.controls{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 24px 24px}.duration-group{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.duration-group label{font-size:13px;color:var(--c-text-dim)}.duration-group select,.duration-group input{background:#ffffff0d;color:var(--c-text);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:9px 12px;font-size:14px;outline:none;transition:border-color .2s}.duration-group select:focus,.duration-group input:focus{border-color:var(--c-primary-3)}.duration-group input{width:84px}.btn-row{display:flex;gap:12px}.btn{border:none;cursor:pointer;font-size:15px;font-weight:600;padding:12px 28px;border-radius:12px;letter-spacing:1px;transition:all .2s ease;color:#fff}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none!important;box-shadow:none!important}.btn-start{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));box-shadow:0 6px 20px #4f46e566}.btn-start:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 28px #6366f18c}.btn-stop{background:linear-gradient(135deg,#dc2626,#ef4444);box-shadow:0 6px 20px #ef444466}.btn-stop:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 28px #ef44448c}.btn-reset{background:#ffffff14;border:1px solid rgba(255,255,255,.16);color:var(--c-text)}.btn-reset:hover:not(:disabled){background:#ffffff24;transform:translateY(-2px);box-shadow:0 6px 16px #00000040}.btn-next{background:linear-gradient(135deg,#0d9488,#14b8a6);box-shadow:0 6px 20px #14b8a659}.btn-next:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 28px #14b8a680}.toast{position:fixed;top:24px;left:50%;transform:translate(-50%) translateY(-20px);background:var(--c-bg-2);color:var(--c-text);border:1px solid var(--glass-border);border-left:4px solid var(--c-warn);padding:14px 20px;border-radius:12px;font-size:14px;max-width:520px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:all .35s ease;z-index:60;line-height:1.6}.toast.show{opacity:1;visibility:visible;transform:translate(-50%) translateY(0)}.toast.toast-ok{border-left-color:var(--c-ok)}.toast code{background:#ffffff14;padding:2px 6px;border-radius:6px;color:var(--c-primary-3)}.record-setup select{width:auto;min-width:180px;background:#ffffff0d;color:var(--c-text);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:8px 12px;font-size:13px;outline:none;cursor:pointer}.text-input{width:100%;background:#ffffff0d;color:var(--c-text);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:8px 12px;font-size:13px;outline:none;margin-top:10px}.text-input:focus{border-color:var(--c-primary-3)}.filename-block{display:block!important;padding:13px 14px}.filename-block .label{margin-bottom:2px}.filename-preview{font-size:11px;color:var(--c-text-dim);padding:4px 4px 8px;word-break:break-all;line-height:1.5}.drawer-mask{position:fixed;inset:0;background:#00000080;opacity:0;visibility:hidden;transition:all .3s ease;z-index:40}.drawer-mask.open{opacity:1;visibility:visible}.drawer{position:fixed;top:0;right:0;height:100%;width:340px;max-width:86vw;background:linear-gradient(180deg,var(--c-bg-1),var(--c-bg-2));border-left:1px solid var(--glass-border);box-shadow:-20px 0 50px #00000080;transform:translate(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);z-index:50;padding:24px;display:flex;flex-direction:column;gap:8px;overflow-y:auto}.drawer.open{transform:translate(0)}.drawer h2{font-size:18px;font-weight:600;margin-bottom:8px}.drawer .hint{font-size:12px;color:var(--c-text-dim);margin-bottom:12px;line-height:1.6}.switch-row{display:flex;align-items:center;justify-content:space-between;padding:13px 14px;border-radius:12px;background:#ffffff0a;border:1px solid rgba(255,255,255,.06);margin-bottom:8px}.switch-row .label{font-size:14px}.switch-row .desc{font-size:11px;color:var(--c-text-dim);margin-top:3px}.switch{position:relative;width:46px;height:26px;flex:none}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;inset:0;cursor:pointer;border-radius:999px;background:#ffffff24;transition:.25s}.slider:before{content:"";position:absolute;height:20px;width:20px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.25s}.switch input:checked+.slider{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2))}.switch input:checked+.slider:before{transform:translate(20px)}.sim-all-btn{margin-top:10px;width:100%;padding:12px;border-radius:12px;cursor:pointer;background:#f59e0b1f;color:var(--c-warn);border:1px solid rgba(245,158,11,.4);font-size:14px;font-weight:600;transition:all .2s}.sim-all-btn:hover{background:#f59e0b33}.drawer .close-x{position:absolute;top:18px;right:18px;cursor:pointer;font-size:22px;color:var(--c-text-dim)}.drawer .close-x:hover{color:#fff}.cam-block{margin-top:18px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.12)}.cam-block h3{font-size:14px;font-weight:600;margin-bottom:12px}.cam-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:12px}#camSelect,#micSelect,.setup-select{flex:1;min-width:160px;background:#ffffff0d;color:var(--c-text);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:9px 12px;font-size:14px;outline:none}.setup-mic-select{width:100%;margin-top:8px}.cam-detect-btn{border:none;cursor:pointer;font-size:13px;font-weight:600;padding:9px 16px;border-radius:10px;color:#fff;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));transition:all .2s;white-space:nowrap}.cam-detect-btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px #6366f166}.cam-status{font-size:13px;color:var(--c-text-dim)}.modal-mask{position:fixed;inset:0;background:#0009;display:none;place-items:center;z-index:70}.modal-mask.open{display:grid}.modal{width:min(440px,92vw);background:linear-gradient(180deg,var(--c-bg-1),var(--c-bg-2));border:1px solid var(--glass-border);border-radius:20px;padding:30px;text-align:center;box-shadow:var(--shadow)}.modal .check{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:#22c55e26;border:1px solid rgba(34,197,94,.4);display:grid;place-items:center;font-size:28px;color:var(--c-ok)}.modal h3{font-size:20px;margin-bottom:8px}.modal p{font-size:13px;color:var(--c-text-dim);margin-bottom:20px;line-height:1.7}.modal .dl{display:inline-block;text-decoration:none;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-2));color:#fff;padding:13px 30px;border-radius:12px;font-weight:600;box-shadow:0 6px 20px #4f46e566;transition:all .2s}.modal .dl:hover{transform:translateY(-2px);box-shadow:0 10px 28px #6366f18c}.modal .dl-again{display:block;width:100%;margin-top:10px;padding:12px;border-radius:12px;cursor:pointer;background:#ffffff0f;border:1px solid rgba(255,255,255,.14);color:var(--c-text);font-size:14px;font-weight:600;transition:all .2s}.modal .dl-again:hover{background:#ffffff1f;transform:translateY(-1px)}.modal .skip{display:block;margin-top:14px;font-size:13px;color:var(--c-text-dim);cursor:pointer}.modal .skip:hover{color:#fff}.hidden-by-setting{display:none!important}.elapsed-badge{position:absolute;top:14px;left:14px;display:flex;align-items:center;gap:8px;padding:6px 14px;background:#00000073;border:1px solid rgba(255,255,255,.12);border-radius:999px;z-index:6;pointer-events:none;font-size:13px;color:var(--c-text-dim);letter-spacing:.5px;backdrop-filter:blur(6px)}.elapsed-badge b{color:#fff;font-variant-numeric:tabular-nums;font-weight:600}.loop-tag{display:none;font-size:12px;font-weight:600;color:var(--c-ok);background:#22c55e1f;border:1px solid rgba(34,197,94,.4);border-radius:999px;padding:4px 10px;letter-spacing:.5px;white-space:nowrap}.loop-tag.active{display:inline-block}.mic-meter{position:absolute;top:14px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:8px;padding:6px 12px;background:#00000073;border:1px solid rgba(255,255,255,.12);border-radius:999px;z-index:6;pointer-events:none}.mic-meter-label{font-size:12px;color:#fff;letter-spacing:.5px;white-space:nowrap}.mic-meter-bar{width:120px;height:8px;border-radius:999px;background:#ffffff26;overflow:hidden}.mic-meter-fill{height:100%;width:0%;border-radius:999px;background:linear-gradient(90deg,#22c55e,#eab308 70%,#ef4444);transition:width .06s linear}.app.is-hidden{display:none!important}.setup-screen{width:min(560px,100%);background:var(--glass);border:1px solid var(--glass-border);border-radius:24px;box-shadow:var(--shadow);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);padding:32px 30px 28px;display:flex;flex-direction:column}.setup-screen.is-hidden{display:none!important}.setup-card{display:flex;flex-direction:column;align-items:center;text-align:center}.setup-card h1{font-size:22px;font-weight:600;letter-spacing:.5px}.setup-sub{font-size:13px;color:var(--c-text-dim);margin-top:8px;line-height:1.7;max-width:420px}.setup-preview{position:relative;width:100%;aspect-ratio:16 / 9;margin:22px 0 18px;border-radius:var(--radius);overflow:hidden;background:repeating-linear-gradient(45deg,#0e1320 0 14px,#0c1018 14px 28px);border:1px solid rgba(255,255,255,.06);display:grid;place-items:center}.setup-preview video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}.setup-placeholder{position:absolute;inset:0;display:grid;place-items:center;color:var(--c-text-dim);font-size:14px;text-align:center;padding:12px}.setup-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:center;width:100%;margin-bottom:10px}#setupCamSelect{flex:1;min-width:180px;background:#ffffff0d;color:var(--c-text);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:9px 12px;font-size:14px;outline:none}.setup-confirm{width:100%;margin-top:14px}.setup-skip{margin-top:12px;font-size:13px;color:var(--c-text-dim);background:none;border:none;cursor:pointer;text-decoration:underline;text-underline-offset:3px}.setup-skip:hover{color:#fff}