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var(--bg);border-radius:50%;place-items:center;display:grid;position:absolute;bottom:-2px;right:-2px}.profile-head__name{overflow-wrap:anywhere;margin-top:8px;font-size:1.5rem;font-weight:800}.profile-head__user{color:var(--text-muted)}.footer-note{text-align:center;color:var(--text-muted);margin-top:28px;font-size:.82rem}.search-result{border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-card);align-items:center;gap:14px;padding:14px 16px;display:flex}.search-result__body{flex:1;min-width:0}.search-result__name{overflow-wrap:anywhere;font-size:1.08rem;font-weight:700}.empty{text-align:center;color:var(--text-muted);padding:40px 16px}.empty svg{color:var(--icon-muted);margin:0 auto 10px}.empty strong{color:var(--text);margin-bottom:4px;font-size:1.1rem;display:block}.chat{flex-direction:column;height:100dvh;display:flex}.chat-header{padding:calc(var(--safe-top) + 6px) 8px 8px;border-bottom:1px solid 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12px;font-size:.8rem;font-weight:600}.system-msg{max-width:90%;color:var(--text-muted);text-align:center;border-radius:12px;align-self:center;align-items:center;gap:6px;margin:8px 0;padding:6px 12px;font-size:.82rem;display:flex}.system-msg--warn{background:var(--warn-bg);color:var(--warn-text);font-weight:600}.msg{flex-direction:column;max-width:82%;display:flex}.msg--in{align-self:flex-start;align-items:flex-start}.msg--out{align-self:flex-end;align-items:flex-end}.bubble{border-radius:var(--radius-lg);white-space:pre-wrap;overflow-wrap:anywhere;padding:9px 12px 7px;font-size:1rem;line-height:1.38;position:relative}.msg--in .bubble{background:var(--bubble-in);color:var(--bubble-in-text);border:1px solid var(--border);border-bottom-left-radius:6px}.msg--out .bubble{background:var(--bubble-out);color:var(--bubble-out-text);border-bottom-right-radius:6px}.bubble--media{padding:4px;overflow:hidden}.bubble__meta{opacity:.9;justify-content:flex-end;align-items:center;gap:4px;margin-top:2px;font-size:.72rem;line-height:1;display:flex}.msg--in .bubble__meta{color:var(--text-muted)}.msg--out .bubble__meta{color:var(--bubble-out-meta)}.bubble--media .bubble__meta{padding:4px 8px}.media{background:var(--surface-2);border-radius:14px;width:min(280px,68vw);position:relative;overflow:hidden}.media img,.media video{object-fit:cover;width:100%;max-height:360px}.media__overlay{color:#fff;text-align:center;background:linear-gradient(#0000,#00000059);align-content:center;place-items:center;gap:8px;padding:12px;font-size:.85rem;font-weight:600;display:grid;position:absolute;inset:0}.media__placeholder{min-height:160px;color:var(--text-muted);text-align:center;align-content:center;place-items:center;gap:8px;padding:16px;font-size:.85rem;display:grid}.bubble--undecryptable{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:6px;display:flex;background:var(--surface-2)!important;border:1px dashed var(--border)!important}.bubble--undecryptable .bubble__meta{width:100%;color:var(--text-muted)!important}.media__play{background:#00000073;border-radius:50%;place-items:center;width:54px;height:54px;display:grid}.progress{background:#ffffff59;border-radius:6px;width:70%;height:6px;overflow:hidden}.progress>span{background:#fff;height:100%;transition:width .15s linear;display:block}.msg__failed{color:var(--danger);align-items:center;gap:8px;margin-top:4px;font-size:.82rem;font-weight:600;display:flex}.msg__failed .btn{min-height:32px;padding:0 10px;font-size:.82rem}.composer{padding:8px 8px calc(8px + var(--safe-bottom));border-top:1px solid var(--border);background:var(--bg);align-items:flex-end;gap:6px;display:flex}.composer textarea{border:1.5px solid var(--border);background:var(--surface);resize:none;border-radius:22px;outline:none;flex:1;min-width:0;min-height:44px;max-height:140px;padding:11px 16px;font-size:1rem;line-height:1.35}.composer textarea:focus{border-color:var(--accent)}.send-btn{background:var(--accent-strong);color:var(--on-accent)}.send-btn:active{background:var(--accent-strong)}.composer-blocked{padding:14px 16px calc(14px + var(--safe-bottom));border-top:1px solid var(--border);text-align:center;color:var(--text-muted);justify-items:center;gap:8px;display:grid}.scrim{z-index:100;background:var(--scrim);animation:fade-in .18s var(--ease-out);justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.sheet{width:100%;max-width:var(--page-max);max-height:88dvh;padding:22px 18px calc(18px + var(--safe-bottom));background:var(--bg);box-shadow:var(--shadow-sheet);animation:sheet-in .26s var(--ease-out);border-radius:24px 24px 0 0;overflow-y:auto}@media (min-width:640px){.scrim{align-items:center}.sheet{border-radius:24px;max-width:440px}}.sheet__title{margin:0 0 10px;font-size:1.3rem;font-weight:800}.sheet__body{color:var(--text);margin:0 0 18px;line-height:1.5}.sheet__actions{flex-direction:column;gap:10px;margin-top:18px;display:flex}.file-preview{background:var(--surface-2);border-radius:16px;place-items:center;max-height:46dvh;display:grid;overflow:hidden}.file-preview img,.file-preview video{width:auto;max-height:46dvh}.toast{left:50%;bottom:calc(var(--nav-h) + var(--safe-bottom) + 16px);z-index:120;background:var(--text);color:var(--bg);animation:fade-in .2s var(--ease-out);border-radius:14px;max-width:calc(100vw - 32px);padding:12px 18px;font-size:.95rem;font-weight:600;position:fixed;transform:translate(-50%);box-shadow:0 8px 28px #00000040}@keyframes fade-in{0%{opacity:0}}@keyframes sheet-in{0%{opacity:0;transform:translateY(24px)}}.qa-card{border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-card);gap:10px;padding:14px;display:grid}.qa-list{counter-reset:qa;padding-left:0}.qa-list>li:before{counter-increment:qa;content:counter(qa);background:var(--accent-soft);width:26px;height:26px;color:var(--accent-text);border-radius:50%;flex:none;place-items:center;font-size:.85rem;font-weight:700;display:grid}.input--mono{letter-spacing:.04em;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace}.sas-grid{text-align:center;grid-template-columns:repeat(4,1fr);gap:12px 6px;margin:0;padding:0;font-size:.8rem;list-style:none;display:grid}.sas-grid li{justify-items:center;gap:4px;display:grid}.sas-grid__emoji{font-size:2.2rem;line-height:1.1}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.auth{flex-direction:column;gap:18px;width:100%;max-width:420px;margin:0 auto;display:flex}.auth__title{text-align:center;margin:8px 0 0;font-size:1.6rem;font-weight:800}.auth__switch{text-align:center;color:var(--text-muted)}.divider{color:var(--text-muted);align-items:center;gap:12px;font-size:.85rem;display:flex}.divider:before,.divider:after{content:"";background:var(--border);flex:1;height:1px}.form-error{border-radius:var(--radius-md);background:var(--danger-bg);color:var(--danger);align-items:center;gap:8px;padding:12px 14px;font-size:.95rem;font-weight:600;display:flex}