:root{--bg: #f6f6f8;--surface: #ffffff;--surface-2: #eeeef2;--text: #121317;--muted: #7a7d88;--separator: rgba(60, 60, 67, .14);--accent: #4a4be8;--accent-soft: rgba(74, 75, 232, .12);--on-accent: #ffffff;--danger: #e5484d;--bubble-in: #ffffff;--bubble-out: #4a4be8;--bubble-out-text: #ffffff;--header-bg: rgba(246, 246, 248, .82);--shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 8px 24px rgba(0, 0, 0, .06);--ease: cubic-bezier(.2, .8, .2, 1);--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg: #0f1115;--surface: #1a1c22;--surface-2: #24262e;--text: #f2f3f5;--muted: #8b8f9b;--separator: rgba(255, 255, 255, .09);--accent: #7c7dff;--accent-soft: rgba(124, 125, 255, .16);--bubble-in: #1f2129;--bubble-out: #5b5cf0;--header-bg: rgba(15, 17, 21, .8);--shadow: 0 1px 2px rgba(0, 0, 0, .4)}}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;height:100%;overflow:hidden;overscroll-behavior:none;background:var(--bg);color:var(--text);font:16px/1.4 -apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%}button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;-webkit-user-select:none;user-select:none}button:disabled{cursor:default}h1,h2,h3,p{margin:0}.icon{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.app{position:fixed;inset:0;overflow:hidden}.splash{height:100%;display:grid;place-items:center}.stack{position:absolute;inset:0;overflow:hidden}.screen{position:absolute;inset:0;display:flex;flex-direction:column;background:var(--bg);transition:transform .34s var(--ease);will-change:transform}.screen.enter{animation:slide-in .34s var(--ease);box-shadow:-8px 0 24px #00000014}.screen.behind{transform:translate(-30%)}.screen.leaving{transform:translate(100%);z-index:2}.screen.dragging{transition:none}.screen:after{content:"";position:absolute;inset:0;background:#000;opacity:0;pointer-events:none;transition:opacity .34s var(--ease)}.screen.behind:after{opacity:.12}@keyframes slide-in{0%{transform:translate(100%)}}.header{flex-shrink:0;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px;min-height:calc(52px + var(--safe-top));padding:var(--safe-top) 8px 0;background:var(--header-bg);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:.5px solid var(--separator);position:relative;z-index:1}.header-side{display:flex;align-items:center}.header-side.right{justify-content:flex-end}.header-title{text-align:center;min-width:0}.header-main{display:block;font-weight:600;font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-sub{display:flex;align-items:center;gap:3px;font-size:12px;color:var(--muted)}.header-contact{display:flex;align-items:center;gap:10px;text-align:left;max-width:62vw}.header-contact>span{min-width:0}.icon-button{width:44px;height:44px;display:grid;place-items:center;border-radius:22px;color:var(--accent);transition:background .15s}.icon-button:active{background:var(--accent-soft)}.content{flex:1;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding-bottom:calc(24px + var(--safe-bottom))}.content.centered{display:flex;flex-direction:column;align-items:center;gap:16px;padding:28px 24px calc(24px + var(--safe-bottom))}.large-title{font-size:34px;font-weight:700;letter-spacing:-.02em;padding:4px 20px 10px}.muted{color:var(--muted)}.center{text-align:center}.error{color:var(--danger);text-align:center}.fine-print{font-size:13px;color:var(--muted);text-align:center;max-width:320px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;width:100%;max-width:340px;padding:0 22px;border-radius:14px;background:var(--accent);color:var(--on-accent);font-weight:600;transition:transform .12s,opacity .15s}.button:active:not(:disabled){transform:scale(.97)}.button:disabled{opacity:.45}.button.ghost{background:transparent;color:var(--accent)}.button.small{width:auto;min-height:34px;padding:0 14px;border-radius:17px;font-size:15px}.input{width:100%;font:inherit;font-size:16px;color:var(--text);background:var(--surface);border:1px solid var(--separator);border-radius:12px;padding:12px 14px;outline:none}.input:focus{border-color:var(--accent)}.input.large{font-size:20px;padding:14px 16px;max-width:340px}.input.center{text-align:center}.spinner{width:22px;height:22px;border-radius:50%;border:2.5px solid currentColor;border-right-color:transparent;opacity:.7;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.onboarding{height:100%;overflow-y:auto;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:calc(32px + var(--safe-top)) 28px calc(32px + var(--safe-bottom));text-align:center}.onboarding.scanning{justify-content:flex-start}.onboarding h1{font-size:28px;letter-spacing:-.02em}.onboarding p{color:var(--muted);max-width:340px}.onboarding-logo{width:96px;height:96px;border-radius:22px;box-shadow:0 12px 32px #4a4be859}.promise,.install-steps{list-style:none;padding:0;margin:4px 0 8px;display:flex;flex-direction:column;gap:12px;text-align:left;max-width:340px}.promise li{display:flex;align-items:center;gap:12px}.promise .icon{color:var(--accent)}.install-steps{counter-reset:step}.install-steps li{counter-increment:step;display:flex;align-items:center;gap:12px}.install-steps li:before{content:counter(step);flex-shrink:0;width:28px;height:28px;border-radius:14px;background:var(--accent-soft);color:var(--accent);font-weight:700;display:grid;place-items:center}.list{list-style:none;margin:0;padding:0}.row{width:100%;display:flex;align-items:center;gap:12px;padding:0 0 0 16px;text-align:left;transition:background .15s}.row:active{background:var(--surface-2)}.row-body{flex:1;min-width:0;padding:11px 16px 11px 0;border-bottom:.5px solid var(--separator)}.row-top,.row-bottom{display:flex;align-items:center;gap:8px}.row-title{flex:1;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row-time{font-size:13px;color:var(--muted)}.row-time.accent{color:var(--accent)}.row-sub{flex:1;color:var(--muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.8em}.badge{min-width:22px;height:22px;padding:0 7px;border-radius:11px;background:var(--accent);color:var(--on-accent);font-size:13px;font-weight:600;display:grid;place-items:center}.avatar{flex-shrink:0;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:600;letter-spacing:.02em}.empty{display:flex;flex-direction:column;align-items:center;gap:12px;padding:48px 28px;text-align:center}.empty p{color:var(--muted);max-width:300px;margin-bottom:8px}.empty-icon{width:84px;height:84px;border-radius:24px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}.banner{display:flex;align-items:center;gap:12px;margin:4px 16px 12px;padding:14px;border-radius:14px;background:var(--surface);box-shadow:var(--shadow)}.banner>.icon{color:var(--accent)}.banner.danger{color:var(--danger)}.banner-text{flex:1;display:flex;flex-direction:column;font-size:14px}.banner-text span{color:var(--muted)}.messages{flex:1;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column;padding:12px 12px 8px}.chat-intro{align-self:center;display:flex;gap:8px;max-width:300px;margin:16px 0;padding:10px 14px;border-radius:12px;background:var(--accent-soft);font-size:13px;color:var(--text)}.day{align-self:center;margin:14px 0 8px;padding:3px 10px;border-radius:10px;font-size:12px;font-weight:600;color:var(--muted);background:var(--surface-2)}.bubble{max-width:min(78%,520px);margin-top:8px;padding:7px 12px;border-radius:18px;box-shadow:var(--shadow);display:flex;flex-wrap:wrap;align-items:flex-end;column-gap:8px;animation:pop .22s var(--ease)}.bubble.grouped{margin-top:2px}.bubble.in{align-self:flex-start;background:var(--bubble-in);border-bottom-left-radius:6px}.bubble.out{align-self:flex-end;background:var(--bubble-out);color:var(--bubble-out-text);border-bottom-right-radius:6px}.bubble-text{white-space:pre-wrap;overflow-wrap:anywhere;-webkit-user-select:text;user-select:text}.bubble-meta{margin-left:auto;display:inline-flex;align-items:center;gap:3px;font-size:11px;opacity:.65;transform:translateY(2px)}.status.failed{color:#ffd1d1}@keyframes pop{0%{transform:scale(.92) translateY(6px);opacity:0}}.composer{flex-shrink:0;display:flex;align-items:flex-end;gap:8px;padding:8px 10px calc(8px + var(--safe-bottom));background:var(--header-bg);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-top:.5px solid var(--separator)}.composer-input{flex:1;resize:none;font:inherit;font-size:16px;line-height:1.35;color:var(--text);background:var(--surface);border:1px solid var(--separator);border-radius:20px;padding:9px 14px;max-height:140px;outline:none}.send-button{width:40px;height:40px;border-radius:20px;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;transition:transform .15s var(--ease),opacity .15s}.send-button:disabled{opacity:.35;transform:scale(.9)}.qr-card{background:#fff;color:#121317;padding:22px 22px 16px;border-radius:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;gap:12px}.qr{width:min(68vw,280px);aspect-ratio:1}.qr svg{width:100%;height:100%;display:block}.qr.placeholder{display:grid;place-items:center;color:#7a7d88}.qr-name{font-weight:600;font-size:18px}.waiting{display:flex;align-items:center;gap:10px;min-height:24px;color:var(--muted);font-size:14px}.waiting .spinner{width:16px;height:16px;border-width:2px}.scanner{display:flex;flex-direction:column;align-items:center;gap:16px;padding:16px;width:100%}.scanner-view{position:relative;width:100%;max-width:420px;aspect-ratio:1;border-radius:24px;overflow:hidden;background:#000}.scanner-view video{width:100%;height:100%;object-fit:cover}.scanner-frame{position:absolute;inset:16%;border-radius:20px;box-shadow:0 0 0 999px #00000059;border:3px solid rgba(255,255,255,.9)}.scanner-error{position:absolute;inset:0;display:grid;place-items:center;padding:28px;text-align:center;color:#fff;background:#000000b3}.scanner-hint{color:var(--danger);font-size:14px}.paste-row{display:flex;gap:8px;width:100%;max-width:420px}.profile{display:flex;flex-direction:column;align-items:center;gap:12px;padding:24px 24px 20px}.group-heading{margin:20px 32px 6px;font-size:13px;font-weight:400;text-transform:uppercase;letter-spacing:.02em;color:var(--muted)}.group{margin:0 16px;border-radius:14px;background:var(--surface);overflow:hidden}.group+.group-note{margin:8px 32px 20px;font-size:13px;color:var(--muted)}.group-row{width:100%;display:flex;align-items:center;gap:12px;min-height:50px;padding:10px 16px;text-align:left}.group-row+.group-row{border-top:.5px solid var(--separator)}button.group-row:active{background:var(--surface-2)}.group-row>.icon{color:var(--accent)}.group.info .group-row{font-size:15px}.group-label{flex:1}.group-row.destructive{color:var(--danger);justify-content:center}.group-row.destructive .group-label{text-align:center}.switch{width:51px;height:31px;border-radius:16px;background:var(--surface-2);position:relative;transition:background .2s}.switch:after{content:"";position:absolute;top:2px;left:2px;width:27px;height:27px;border-radius:50%;background:#fff;box-shadow:0 2px 6px #0003;transition:transform .25s var(--ease)}.switch.on{background:#34c759}.switch.on:after{transform:translate(20px)}.safety{padding:16px;font:600 17px/1.7 ui-monospace,SF Mono,Menlo,monospace;letter-spacing:.04em;display:grid;grid-template-columns:repeat(4,auto);justify-content:center;word-spacing:.6em;text-align:center}.sheet-backdrop{position:fixed;inset:0;z-index:10;background:#0000;display:flex;align-items:flex-end;justify-content:center;transition:background .25s}.sheet-backdrop.open{background:#00000059}.sheet{width:100%;max-width:480px;padding:8px 8px calc(8px + var(--safe-bottom));display:flex;flex-direction:column;gap:8px;transform:translateY(100%);transition:transform .25s var(--ease)}.sheet-backdrop.open .sheet{transform:none}.sheet-group{border-radius:14px;overflow:hidden;background:var(--surface)}.sheet-title{padding:14px 16px;font-size:13px;color:var(--muted);text-align:center;border-bottom:.5px solid var(--separator)}.sheet-action{width:100%;min-height:56px;display:flex;align-items:center;justify-content:center;gap:10px;font-size:18px;color:var(--accent)}.sheet-action+.sheet-action{border-top:.5px solid var(--separator)}.sheet-action:active{background:var(--surface-2)}.sheet-action.destructive{color:var(--danger)}.sheet-action.cancel{font-weight:600}.toast{position:fixed;left:50%;bottom:calc(90px + var(--safe-bottom));z-index:20;max-width:calc(100% - 48px);padding:10px 18px;border-radius:20px;background:#1e1e24eb;color:#fff;font-size:15px;text-align:center;pointer-events:none;opacity:0;transform:translate(-50%,12px);transition:opacity .2s,transform .25s var(--ease)}.toast.show{opacity:1;transform:translate(-50%)}.update-banner{position:fixed;left:12px;right:12px;top:calc(8px + var(--safe-top));z-index:15;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 10px 10px 16px;border-radius:14px;background:var(--surface);box-shadow:0 8px 30px #0000002e;font-weight:600;font-size:15px}.icon.filled{fill:currentColor;stroke:none}.icon-button.danger{color:var(--danger)}.bubble.media.image{padding:3px;position:relative;width:min(68vw,260px)}.bubble.media.image .bubble-meta{position:absolute;right:10px;bottom:8px;padding:1px 6px;border-radius:8px;background:#00000073;color:#fff;opacity:1;transform:none}.media-image{width:100%;border-radius:15px;overflow:hidden;background:var(--surface-2)}.media-image img{width:100%;height:100%;object-fit:cover;display:block;cursor:zoom-in}.media-placeholder{width:100%;height:100%;display:grid;place-items:center;color:var(--muted)}.media-retry{display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:6px 10px;border-radius:14px;background:#00000014}.media-gone{font-size:13px;opacity:.7}.bubble.media.audio{width:min(72vw,280px)}.media-audio{flex:1;display:flex;align-items:center;gap:10px;min-width:0}.audio-play{width:36px;height:36px;flex-shrink:0;border-radius:18px;display:grid;place-items:center;background:var(--accent);color:var(--on-accent)}.bubble.out .audio-play{background:#ffffffeb;color:var(--bubble-out)}.audio-play .spinner{width:16px;height:16px;border-width:2px}.audio-wave{flex:1;height:26px;display:flex;align-items:center;gap:2px}.audio-wave span{flex:1;border-radius:2px;background:currentColor;opacity:.3;transition:opacity .15s}.audio-wave span.played{opacity:.95}.audio-time{font-size:12px;font-variant-numeric:tabular-nums;opacity:.75}.composer>.icon-button{width:40px;height:40px}.recording{flex:1;display:flex;align-items:center;gap:10px;min-height:40px}.recording-dot{width:10px;height:10px;border-radius:50%;background:var(--danger);animation:pulse 1s ease-in-out infinite}.recording-time{font-variant-numeric:tabular-nums;font-weight:600}.recording-hint{flex:1;color:var(--muted);font-size:14px}@keyframes pulse{50%{opacity:.3}}.viewer{position:fixed;inset:0;z-index:30;background:#000;display:grid;place-items:center;animation:fade-in .2s ease}.viewer img{max-width:100%;max-height:100%;object-fit:contain}.viewer-close{position:absolute;top:calc(10px + var(--safe-top));right:10px;width:44px;height:44px;border-radius:22px;display:grid;place-items:center;color:#fff;background:#ffffff26}@keyframes fade-in{0%{opacity:0}}