@font-face{font-family:Satoshi;src:url(/fonts/Satoshi-Regular.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:Satoshi;src:url(/fonts/Satoshi-Bold.woff2) format("woff2");font-weight:700;font-style:normal;font-display:swap}@font-face{font-family:SfDarkSans;src:url(/fonts/Geist-Variable.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap;ascent-override:101%;descent-override:24%;line-gap-override:0%}:root{--sf-bg-start: #0a1628;--sf-bg-end: #0d1f35;--sf-glass-bg: rgba(15, 28, 48, .85);--sf-glass-opaque: #0e1b2f;--sf-surface: #152238;--sf-surface-2: #1b2c46;--sf-panel-bg: rgba(255, 255, 255, .03);--sf-input-well-bg: rgba(255, 255, 255, .04);--sf-btn-bg: rgba(255, 255, 255, .04);--sf-btn-bg-hover: #152238;--sf-popup-bg: rgb(15, 28, 48);--sf-hover-bg: rgba(91, 156, 255, .1);--sf-top-highlight: rgba(255, 255, 255, .08);--sf-row-border: rgba(255, 255, 255, .04);--sf-glass-border: rgba(255, 255, 255, .04);--sf-text: #e8f0ff;--sf-muted: #7a8ba8;--sf-primary: #5b9cff;--sf-primary-pressed: #4080e6;--sf-accent-rgb: 91 156 255;--sf-accent-contrast: #ffffff;--sf-success: #4ade80;--sf-danger: #f87171;--sf-danger-strong: #ef4444;--sf-warning: #fb923c;--sf-info-green-text: #bbf7d0;--sf-info-red-text: #fecaca;--sf-info-yellow-text: #fef08a;--sf-info-blue-text: #bfdbfe;--sf-shadow-card: 0 4px 20px rgba(0, 0, 0, .2);--sf-shadow-soft: 0 2px 12px rgba(0, 0, 0, .08);--sf-shadow-soft-hover: 0 4px 20px rgba(0, 0, 0, .12);--sf-shadow-raised: 0 2px 8px rgba(0, 0, 0, .15);--sf-shadow-raised-hover: 0 4px 12px rgba(0, 0, 0, .2);--sf-shadow-overlay: 0 25px 50px -12px rgba(0, 0, 0, .5);--sf-focus-glow: 0 0 14px rgb(91 156 255 / .3), 0 4px 20px rgba(0, 0, 0, .12);--sf-scrim: rgba(0, 0, 0, .4);--sf-scrim-strong: rgba(0, 0, 0, .7);--sf-ease: cubic-bezier(0, 0, 0, 1);--sf-duration: .6s;--z-overlay: 1200;--z-modal: 1300;--z-toast: 1400;--z-tooltip: 1500;--font-face: "Satoshi";--fw-bold: 700;--font: var(--font-face), -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: var(--font);--bg: var(--sf-bg-start);--bg-grad: linear-gradient(180deg, var(--sf-bg-start), var(--sf-bg-end));--surface: var(--sf-glass-opaque);--surface-2: var(--sf-surface);--surface-3: var(--sf-surface-2);--border: var(--sf-glass-border);--text: var(--sf-text);--text-2: color-mix(in srgb, var(--sf-text) 85%, transparent);--text-3: color-mix(in srgb, var(--sf-text) 65%, transparent);--text-4: color-mix(in srgb, var(--sf-text) 45%, transparent);--accent: var(--sf-primary);--accent-2: var(--sf-primary-pressed);--accent-soft: color-mix(in srgb, var(--sf-primary) 16%, var(--sf-glass-opaque));--accent-text: var(--sf-accent-contrast);--danger: var(--sf-danger-strong);--danger-2: #dc2626;--danger-text: var(--sf-danger);--ok: var(--sf-success);--warn: var(--sf-warning);--speaking: var(--sf-primary);--tile-bg: var(--sf-glass-opaque);--stage-bg: var(--sf-bg-start);--ctl-bg: var(--sf-surface);--ctl-bg-hover: var(--sf-surface-2);--ctl-fg: var(--sf-text);--ctl-off-bg: color-mix(in srgb, var(--sf-danger) 16%, var(--sf-glass-opaque));--ctl-off-fg: var(--sf-danger);--shadow: var(--sf-shadow-raised);--shadow-lg: var(--sf-shadow-overlay);--focus: var(--sf-focus-glow);--radius-sm: 6px;--radius: 12px;--radius-lg: 16px;--safe-b: env(safe-area-inset-bottom, 0px);--safe-t: env(safe-area-inset-top, 0px);color-scheme:dark}:root[data-theme=dark]{--sf-bg-start: #000000;--sf-bg-end: #000000;--sf-glass-bg: #0a0a0a;--sf-glass-opaque: #0a0a0a;--sf-surface: #373737;--sf-surface-2: #373737;--sf-panel-bg: #202020;--sf-input-well-bg: #202020;--sf-btn-bg: #373737;--sf-btn-bg-hover: #444444;--sf-popup-bg: #0a0a0a;--sf-hover-bg: #151515;--sf-top-highlight: rgba(255, 255, 255, .12);--sf-row-border: rgba(255, 255, 255, .08);--sf-glass-border: rgba(255, 255, 255, .08);--sf-text: #eef1f4;--sf-muted: #8b93a0;--sf-primary: #a7c6dc;--sf-primary-pressed: #79a7c2;--sf-accent-rgb: 167 198 220;--sf-accent-contrast: #08161d;--sf-focus-glow: 0 0 14px rgb(167 198 220 / .3), 0 4px 20px rgba(0, 0, 0, .12);--font-face: "SfDarkSans";--fw-bold: 600;--surface-2: #202020;--surface-3: #373737;--accent-soft: #202020;--tile-bg: #0a0a0a;--ctl-bg: #373737;--ctl-bg-hover: #444444;--ctl-off-bg: #3a1d1d}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;height:100%}body{font-family:var(--font);font-size:14px;line-height:1.5;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;text-size-adjust:100%;-webkit-text-size-adjust:100%}#app{min-height:100%;min-height:100dvh}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}[hidden]{display:none!important}:focus,:focus-visible{outline:0 solid transparent}:focus-visible{outline:2px solid transparent;box-shadow:var(--focus)}[tabindex="-1"]:focus{box-shadow:none}h1,h2,h3{margin:0;line-height:1.2;letter-spacing:-.01em}p{margin:0}a{color:var(--accent)}.muted{color:var(--text-2)}.mono{font-family:var(--mono);letter-spacing:-.01em}.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.ic{width:20px;height:20px;flex:none;display:block}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 18px;border-radius:12px;border:0;font-size:14px;font-weight:var(--fw-bold);white-space:nowrap;transition:background var(--sf-duration) var(--sf-ease),box-shadow .2s var(--sf-ease),color var(--sf-duration) var(--sf-ease),opacity .2s;-webkit-user-select:none;user-select:none}.btn:hover{transition:none}.btn-lg{height:52px;padding:0 24px;font-size:16px;border-radius:12px}.btn-sm{height:44px;padding:0 14px;font-size:14px;border-radius:12px}.btn-block{width:100%}.btn-primary{background:linear-gradient(135deg,var(--sf-primary),var(--sf-primary-pressed));color:var(--accent-text);font-size:16px;letter-spacing:.01em;box-shadow:0 0 12px -1.3px #0006}.btn-primary:hover:not(:disabled){box-shadow:0 0 16px -1px #00000080,0 0 14px rgb(var(--sf-accent-rgb) / .25)}.btn-primary:disabled{opacity:.5}.btn-secondary{background:var(--sf-btn-bg);color:var(--text);box-shadow:0 2px 8px #0000001f}.btn-secondary:hover:not(:disabled){background:var(--sf-btn-bg-hover);box-shadow:0 4px 12px #0000002e}.btn-secondary:disabled{color:var(--text-3)}.btn-ghost{background:transparent;color:var(--text-2)}.btn-ghost:hover{background:var(--surface-2);color:var(--text)}.btn-icon{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;border:0;background:transparent;color:var(--text-3);transition:background var(--sf-duration) var(--sf-ease),color var(--sf-duration) var(--sf-ease)}.btn-icon:hover{background:var(--sf-hover-bg);color:var(--text);transition:none}.btn-chip{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 12px;border-radius:999px;border:0;border-top:1px solid var(--sf-top-highlight);background:var(--surface);color:var(--text-2);font-size:14px;font-weight:400}.btn-chip:hover{color:var(--text);background:var(--surface-2)}.btn-chip .ic{width:18px;height:18px}.input,.select{width:100%;height:46px;padding:0 14px;border-radius:12px;border:0;background:var(--sf-input-well-bg);color:var(--text);font-size:16px;box-shadow:var(--sf-shadow-soft);transition:box-shadow .2s var(--sf-ease);min-width:0;text-overflow:ellipsis}.input::placeholder{color:var(--text-4)}.input:hover,.select:hover{box-shadow:var(--sf-shadow-soft-hover)}.input:focus,.select:focus{box-shadow:var(--focus);transition:none}.input[aria-invalid=true]{box-shadow:0 0 14px #f8717159,0 4px 20px #0000001f}.select{-moz-appearance:none;appearance:none;-webkit-appearance:none;padding-right:36px;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px;background-repeat:no-repeat;text-overflow:ellipsis}.field{display:grid;gap:6px}.field-label{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:var(--fw-bold);color:var(--text-2)}.field-label .ic{width:16px;height:16px}.field-error{min-height:0;color:var(--danger);font-size:14px}.field-error:empty{display:none}.screen{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;background:var(--bg-grad),var(--bg)}.site-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:calc(14px + var(--safe-t)) 24px 14px;max-width:1200px;width:100%;margin:0 auto}.header-actions{display:flex;align-items:center;gap:6px}.brand{display:inline-flex;align-items:center;gap:10px;min-width:0;color:var(--text);text-decoration:none;border-radius:6px;min-height:44px}.brand-logotype{display:block;height:32px;width:auto;flex:none}.brand-product{font-size:18px;font-weight:400;color:var(--text-3);white-space:nowrap;padding-bottom:2px}.landing-main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;width:100%;max-width:380px;margin:0 auto;padding:24px 16px calc(15vh + var(--safe-b))}.landing-brand{display:flex;align-items:flex-end;gap:10px;margin:0 0 28px}.landing-logotype{display:block;height:48px;width:auto}.landing-brand .brand-product{font-size:24px;padding-bottom:3px}.join-form{width:100%}.join-row{position:relative;display:flex;gap:8px}.join-row .input{height:52px;padding-left:42px;border-radius:12px}.btn-join{width:52px;height:52px;padding:0;border-radius:12px;flex:none}.input-icon{position:absolute;left:14px;top:16px;color:var(--text-3);pointer-events:none}.join-form .field-error{margin-top:6px}.screen-center main{flex:1}.message-card{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;padding:32px 20px 80px;max-width:460px;margin:0 auto}.message-card h1{font-size:24px}.message-icon{display:grid;place-items:center;width:64px;height:64px;border-radius:16px;background:var(--accent-soft);color:var(--accent)}.message-icon .ic{width:30px;height:30px}.message-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:10px}.prejoin-main{flex:1;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(300px,1fr);min-width:0;gap:40px;align-items:center;max-width:1100px;width:100%;margin:0 auto;padding:16px 24px 40px}.preview{position:relative;aspect-ratio:16 / 9;border-radius:var(--radius-lg);overflow:hidden;background:var(--tile-bg);box-shadow:var(--shadow-lg);isolation:isolate}.preview-video{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .25s}.preview.has-video .preview-video{opacity:1}.preview.mirrored .preview-video{transform:scaleX(-1)}.preview-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#c8d3e0}.preview.has-video .preview-placeholder{display:none}.preview-off-label{font-size:14px}.preview-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:3;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:24px;text-align:center;color:#fff;background:#080c12d1;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.preview-overlay .muted{color:#b7c3d1;max-width:34em;font-size:14px}.overlay-icon{color:#ffb547}.overlay-icon .ic{width:32px;height:32px}.overlay-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:6px}.preview-overlay .btn-ghost{color:#dbe5f0}.preview-overlay .btn-ghost:hover{background:#ffffff1a;color:#fff}.preview-controls{position:absolute;z-index:2;left:50%;bottom:16px;transform:translate(-50%);display:flex;gap:12px}.preview-meter{position:absolute;z-index:2;left:16px;top:16px;display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;background:#00000073;color:#fff;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.preview-meter .ic{width:16px;height:16px}.meter{width:80px;height:6px;border-radius:3px;background:#ffffff38;overflow:hidden}.meter-fill{height:100%;width:100%;background:linear-gradient(90deg,#45d38a,#b6f36a);transform-origin:left;transform:scaleX(0);transition:transform .06s linear}.prejoin-form{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;min-width:0}.prejoin-title{font-size:30px;font-weight:var(--fw-bold)}.prejoin-room{display:flex;align-items:center;gap:10px;min-width:0;font-size:14px}.room-chip{display:inline-flex;align-items:center;gap:8px;max-width:100%;min-width:0;height:44px;padding:0 14px;border-radius:12px;border:0;border-top:1px solid var(--sf-top-highlight);background:var(--surface);color:var(--text);font-size:14px;box-shadow:var(--sf-shadow-raised);transition:background var(--sf-duration) var(--sf-ease)}.room-chip:hover{background:var(--sf-btn-bg-hover);transition:none}.room-chip>.ic,.room-chip>span:not(.room-chip-text){flex:none}.room-chip .ic{width:16px;height:16px;color:var(--text-3)}.room-chip:hover .room-chip-copy .ic{color:var(--accent)}.room-chip-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.devices{border-top:1px solid var(--sf-row-border);padding-top:12px}.devices summary{display:inline-flex;align-items:center;gap:8px;cursor:pointer;color:var(--text-2);font-weight:var(--fw-bold);font-size:14px;list-style:none;padding:4px 0;border-radius:6px}.devices summary::-webkit-details-marker{display:none}.devices summary .ic{width:18px;height:18px}.devices[open] summary{margin-bottom:10px}.devices .field+.field{margin-top:10px}.avatar{--h: 210;display:grid;place-items:center;width:72px;height:72px;border-radius:50%;background:linear-gradient(140deg,hsl(var(--h) 60% 55%),hsl(calc(var(--h) + 35) 55% 42%));color:#fff;font-weight:var(--fw-bold);font-size:24px;letter-spacing:.02em;-webkit-user-select:none;user-select:none}.avatar-xl{width:104px;height:104px;font-size:38px}.avatar-sm{width:34px;height:34px;font-size:14px;flex:none}.ctl{position:relative;display:inline-grid;place-items:center;width:52px;height:52px;border-radius:50%;border:0;background:var(--ctl-bg);color:var(--ctl-fg);box-shadow:var(--sf-shadow-raised);transition:background var(--sf-duration) var(--sf-ease),color var(--sf-duration) var(--sf-ease),box-shadow .2s var(--sf-ease)}.ctl .ic{width:22px;height:22px}.ctl:hover:not(:disabled){background:var(--ctl-bg-hover);box-shadow:var(--sf-shadow-raised-hover);transition:none}.ctl:disabled{opacity:.45}.ctl.off{background:var(--ctl-off-bg);color:var(--ctl-off-fg)}.ctl.active{background:var(--accent);color:var(--accent-text)}.ctl-round,.ctl-round:hover:not(:disabled){background:var(--sf-scrim-strong);color:#fff;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.ctl-round.off,.ctl-round.off:hover:not(:disabled){background:var(--danger);color:#fff}.ctl-leave{width:64px;border-radius:999px;display:inline-flex;gap:8px;background:var(--danger);color:#fff;font-weight:var(--fw-bold)}.ctl.ctl-leave:hover:not(:disabled){background:var(--danger-2)}.ctl.off:hover:not(:disabled){background:var(--ctl-off-bg);color:var(--ctl-off-fg)}.ctl.active:hover:not(:disabled){background:var(--accent);color:var(--accent-text)}.badge{position:absolute;top:-2px;right:-2px;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--danger);color:#fff;font-size:12px;font-weight:var(--fw-bold);line-height:18px;text-align:center}.badge-count{background:var(--surface-3);color:var(--text)}.call{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;background:var(--stage-bg);overflow:hidden}.call-top{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:calc(10px + var(--safe-t)) 14px 8px;z-index:5}.call-top-left,.call-top-right{display:flex;align-items:center;gap:10px;min-width:0}.call-top .room-chip{max-width:60vw}.timer{color:var(--text-2);font-size:14px}.quality-wrap{position:relative}.quality{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;border:0;border-top:1px solid var(--sf-top-highlight);background:var(--surface);color:var(--ok);box-shadow:var(--sf-shadow-raised)}.quality .bars{display:flex;align-items:flex-end;gap:2px;height:14px}.quality .bars i{width:3px;border-radius:1px;background:currentColor;opacity:.25}.quality .bars i:nth-child(1){height:25%}.quality .bars i:nth-child(2){height:50%}.quality .bars i:nth-child(3){height:75%}.quality .bars i:nth-child(4){height:100%}.quality[data-q="0"]{color:var(--danger)}.quality[data-q="1"]{color:var(--warn)}.quality[data-q="0"] .bars i:nth-child(1),.quality[data-q="1"] .bars i:nth-child(-n+2),.quality[data-q="2"] .bars i:nth-child(-n+3),.quality[data-q="3"] .bars i{opacity:1}.quality-pop{position:absolute;right:0;top:calc(100% + 8px);min-width:200px;padding:12px 14px;border-radius:12px;background:var(--surface);border:0;border-top:1px solid var(--sf-top-highlight);box-shadow:var(--shadow-lg);font-size:14px;z-index:20}.quality-pop dl{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;margin:8px 0 0}.quality-pop dt{color:var(--text-3)}.quality-edge{display:block;margin-top:8px;font-size:10px;color:var(--text-4);letter-spacing:.04em}.quality-pop dd{margin:0;text-align:right;font-family:var(--mono)}.banner{position:absolute;z-index:15;top:calc(56px + var(--safe-t));left:50%;transform:translate(-50%);display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;background:var(--surface);border:0;border-top:1px solid var(--sf-top-highlight);box-shadow:var(--shadow);font-size:14px;font-weight:400;white-space:nowrap}.banner-action{top:calc(104px + var(--safe-t));background:var(--accent);color:var(--accent-text);border:0;cursor:pointer}.banner+.banner-action:not([hidden]){z-index:16}.call-body{position:relative;flex:1;min-height:0;display:flex}.stage{position:relative;flex:1;min-width:0;display:flex;gap:8px;padding:4px 12px 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