:root{color-scheme:dark;--bg: #0a0f16;--panel: #0f1620;--panel-2: #151f2c;--panel-3: #1b2838;--line: rgba(148, 180, 212, .12);--line-soft: rgba(148, 180, 212, .07);--accent: #4cc2ff;--accent-deep: #2b7fff;--accent-grad: linear-gradient(135deg, #4cc2ff, #2b7fff);--accent-soft: rgba(76, 194, 255, .14);--text: #e7edf4;--text-dim: #8ca3ba;--text-faint: #5c7186;--danger: #ff6b6b;--warn: #fbbf24;--ok: #34d399;--radius: 14px;--font-display: "Sora", "Inter", system-ui, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;font-size:15px;line-height:1.45;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}button,input,textarea{font-family:inherit;font-size:inherit}button{cursor:pointer}input,textarea{color:var(--text)}input::placeholder,textarea::placeholder{color:var(--text-faint)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#94b4d42e;border-radius:99px}::-webkit-scrollbar-thumb:hover{background:#94b4d44d}::-webkit-scrollbar-track{background:transparent}.app{display:flex;height:100vh;overflow:hidden;background:var(--bg)}.avatar{border-radius:50%;display:grid;place-items:center;flex-shrink:0;color:#fff;font-weight:600;-webkit-user-select:none;user-select:none}.icon-btn{display:grid;place-items:center;width:36px;height:36px;border:none;border-radius:10px;background:transparent;color:var(--text-dim);transition:background .15s,color .15s}.icon-btn:hover{background:var(--panel-3);color:var(--text)}.icon-btn.accent{background:var(--accent-soft);color:var(--accent)}.icon-btn.accent:hover{background:#4cc2ff3d}.btn-primary{border:none;border-radius:10px;padding:10px 18px;background:var(--accent-grad);color:#04121f;font-weight:600;transition:filter .15s}.btn-primary:hover:not(:disabled){filter:brightness(1.1)}.btn-primary:disabled{opacity:.45;cursor:default}.btn-ghost{border:none;border-radius:10px;padding:10px 16px;background:transparent;color:var(--text-dim)}.btn-ghost:hover{background:var(--panel-3);color:var(--text)}.search-box{position:relative;display:flex;align-items:center}.search-box svg{position:absolute;left:12px;color:var(--text-faint);pointer-events:none}.search-box input{width:100%;padding:10px 12px 10px 38px;border-radius:10px;border:1px solid transparent;background:var(--panel-2);transition:border-color .15s,background .15s}.search-box input:focus{outline:none;border-color:var(--accent);background:var(--panel-3)}.sidebar{width:330px;flex-shrink:0;display:flex;flex-direction:column;background:var(--panel);border-right:1px solid var(--line)}.sidebar-header{display:flex;align-items:center;gap:12px;padding:16px 16px 12px}.brand{display:flex;align-items:center;gap:10px;flex:1}.brand-name{font-family:var(--font-display);font-size:20px;font-weight:700;letter-spacing:-.02em}.brand-sub{font-size:11px;color:var(--text-faint);margin-top:-2px}.sidebar-search{padding:0 16px 12px}.chat-list{flex:1;overflow-y:auto;padding:4px 8px;display:flex;flex-direction:column;gap:2px}.chat-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border:none;border-radius:12px;background:transparent;color:var(--text);text-align:left;transition:background .12s}.chat-item:hover{background:var(--panel-2)}.chat-item.active{background:var(--accent-soft)}.chat-meta{flex:1;min-width:0}.chat-title-row{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.chat-title{font-weight:600;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-stamp{font-size:11px;color:var(--text-faint);flex-shrink:0}.chat-item.active .chat-stamp{color:var(--accent)}.chat-preview-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:2px}.chat-preview{font-size:13px;color:var(--text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge{background:var(--accent-grad);color:#04121f;border-radius:999px;min-width:19px;height:19px;padding:0 6px;display:grid;place-items:center;font-size:11px;font-weight:700;flex-shrink:0}.chat-list-empty{margin:40px 16px;text-align:center;color:var(--text-faint);font-size:13px}.sidebar-footer{display:flex;align-items:center;gap:10px;padding:12px 16px;border-top:1px solid var(--line)}.user-meta{flex:1;min-width:0}.user-name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-sub{font-size:12px;color:var(--text-faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-panel{flex:1;min-width:0;display:flex;flex-direction:column;background:var(--bg)}.chat-header{display:flex;align-items:center;gap:12px;padding:12px 20px;border-bottom:1px solid var(--line);background:var(--panel)}.chat-header-meta{flex:1;min-width:0}.chat-header-title{font-family:var(--font-display);font-size:16px;font-weight:600;letter-spacing:-.01em}.chat-header-sub{font-size:12px;color:var(--text-dim)}.e2ee-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;background:#34d3991f;color:var(--ok);font-size:11px;font-weight:600}.pinned-bar{display:flex;align-items:center;gap:10px;padding:8px 20px;background:var(--panel-2);border-bottom:1px solid var(--line-soft);color:var(--text-dim);font-size:13px}.pinned-bar svg{color:var(--accent);flex-shrink:0}.pinned-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.status-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:10px 20px 0;padding:10px 14px;border:1px solid rgba(251,191,36,.3);border-radius:12px;background:#fbbf2414;color:var(--warn);font-size:13px}.status-banner button{border:none;border-radius:8px;background:#fbbf2424;color:var(--warn);padding:4px 10px;font-size:12px;flex-shrink:0}.message-list{flex:1;overflow-y:auto;padding:16px 20px 8px;display:flex;flex-direction:column}.day-divider{align-self:center;margin:14px 0 10px;padding:4px 12px;border-radius:999px;background:var(--panel-2);color:var(--text-dim);font-size:12px;font-weight:500}.message-row{display:flex;align-items:flex-end;gap:8px;margin-top:10px;position:relative}.message-row.compact{margin-top:2px}.message-row.mine{flex-direction:row-reverse}.msg-gutter{width:32px;flex-shrink:0}.bubble-wrap{max-width:min(65%,560px);display:flex;flex-direction:column}.message-row.mine .bubble-wrap{align-items:flex-end}.sender-name{font-size:12.5px;font-weight:600;margin:0 0 3px 12px}.bubble{position:relative;padding:8px 12px;border-radius:16px;background:var(--panel-2);overflow-wrap:anywhere}.message-row:not(.mine) .bubble{border-bottom-left-radius:5px}.message-row.mine .bubble{background:var(--accent-grad);color:#04121f;border-bottom-right-radius:5px}.message-row.mine .bubble a{color:inherit}.reply-quote{display:block;margin-bottom:6px;padding:5px 10px;border-left:3px solid var(--accent);border-radius:6px;background:#94b4d41a;font-size:12.5px}.message-row.mine .reply-quote{border-left-color:#04121f8c;background:#ffffff38}.reply-quote-name{font-weight:600;display:block}.reply-quote-text{opacity:.8;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:320px}.bubble-text{white-space:pre-wrap}.bubble-text.deleted{font-style:italic;opacity:.6}.bubble-foot{display:inline-flex;align-items:center;gap:4px;float:right;margin:8px 0 0 10px;font-size:10.5px;color:var(--text-faint);white-space:nowrap}.message-row.mine .bubble-foot{color:#04121f99}.bubble-foot .read{color:#045c8f}.bubble img{display:block;max-width:340px;max-height:380px;border-radius:10px;margin:2px 0;cursor:zoom-in}.lightbox{position:fixed;inset:0;z-index:30;background:#04080ee6;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:grid;place-items:center;padding:56px 24px 24px}.lightbox img{max-width:94vw;max-height:84vh;border-radius:10px;box-shadow:0 30px 80px #0009;cursor:default}.lightbox-bar{position:fixed;top:12px;left:16px;right:16px;display:flex;align-items:center;gap:10px}.lightbox-name{flex:1;min-width:0;color:var(--text-dim);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bubble audio{max-width:280px;display:block;margin:2px 0}.file-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:none;border-radius:10px;background:#94b4d41f;color:inherit;font-size:13px;text-decoration:none}.message-row.mine .file-chip{background:#ffffff38}.attachment-pending{font-size:12px;opacity:.7}.reaction-row{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px}.reaction-chip{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--line);border-radius:999px;padding:2px 8px;background:var(--panel-2);color:var(--text);font-size:12.5px}.reaction-chip.mine{border-color:var(--accent);background:var(--accent-soft)}.msg-actions{position:absolute;bottom:calc(100% - 6px);display:flex;align-items:center;gap:2px;padding:4px;border:1px solid var(--line);border-radius:12px;background:var(--panel-3);box-shadow:0 8px 24px #0006;opacity:0;pointer-events:none;transition:opacity .12s;z-index:5}.message-row:not(.mine) .msg-actions{left:40px}.message-row.mine .msg-actions{right:0}.message-row:hover .msg-actions{opacity:1;pointer-events:auto}.msg-actions button{border:none;background:transparent;border-radius:8px;padding:4px 6px;font-size:15px;line-height:1;color:var(--text-dim);display:grid;place-items:center}.msg-actions button:hover{background:var(--panel-2);color:var(--text)}.msg-actions .divider{width:1px;height:16px;background:var(--line);margin:0 3px}.typing-indicator{display:flex;align-items:center;gap:8px;padding:4px 20px;font-size:12.5px;color:var(--text-dim)}.typing-dots{display:inline-flex;gap:3px}.typing-dots span{width:5px;height:5px;border-radius:50%;background:var(--accent);animation:typing-bounce 1.2s infinite ease-in-out}.typing-dots span:nth-child(2){animation-delay:.15s}.typing-dots span:nth-child(3){animation-delay:.3s}@keyframes typing-bounce{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-4px);opacity:1}}.empty-state{margin:auto;text-align:center;color:var(--text-dim);display:flex;flex-direction:column;align-items:center;gap:14px;padding:40px}.empty-state h2{margin:0;font-family:var(--font-display);font-size:20px;color:var(--text)}.empty-state p{margin:0;font-size:14px}.composer{padding:10px 20px 16px}.composer-banner{display:flex;align-items:center;gap:10px;margin-bottom:8px;padding:8px 12px;border-left:3px solid var(--accent);border-radius:10px;background:var(--panel-2);font-size:13px}.composer-banner svg{color:var(--accent);flex-shrink:0}.composer-banner-meta{flex:1;min-width:0}.composer-banner-title{font-weight:600;color:var(--accent);font-size:12px}.composer-banner-text{color:var(--text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.composer-row{display:flex;align-items:center;gap:8px;padding:6px 8px;border:1px solid var(--line);border-radius:16px;background:var(--panel);transition:border-color .15s}.composer-row:focus-within{border-color:var(--accent)}.composer-input{flex:1;min-width:0;border:none;background:transparent;padding:8px 4px}.composer-input:focus{outline:none}.icon-btn.recording{background:#ff6b6b29;color:var(--danger);animation:rec-pulse 1.4s infinite}@keyframes rec-pulse{0%,to{box-shadow:0 0 #ff6b6b59}50%{box-shadow:0 0 0 6px #ff6b6b00}}.send-btn{display:grid;place-items:center;width:40px;height:40px;border:none;border-radius:12px;background:var(--accent-grad);color:#04121f;flex-shrink:0;transition:filter .15s,opacity .15s}.send-btn:hover:not(:disabled){filter:brightness(1.12)}.send-btn:disabled{opacity:.35;cursor:default}.auth-screen{display:grid;place-items:center;min-height:100vh;padding:24px;background:radial-gradient(ellipse 70% 55% at 50% -10%,rgba(43,127,255,.16),transparent),radial-gradient(ellipse 45% 40% at 85% 100%,rgba(76,194,255,.07),transparent),var(--bg)}.auth-card{width:min(400px,100%);padding:32px;border-radius:20px;background:var(--panel);border:1px solid var(--line);box-shadow:0 30px 80px #00000073}.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}.auth-brand-name{font-family:var(--font-display);font-size:22px;font-weight:700;letter-spacing:-.02em}.auth-brand-tag{font-size:12px;color:var(--text-dim);margin-top:-2px}.auth-card h1{margin:0 0 6px;font-family:var(--font-display);font-size:22px;letter-spacing:-.01em}.auth-sub{margin:0 0 20px;color:var(--text-dim);font-size:13.5px}.segmented{display:flex;gap:4px;padding:4px;border-radius:12px;background:var(--panel-2);margin-bottom:16px}.segmented button{flex:1;border:none;padding:8px;border-radius:9px;background:transparent;color:var(--text-dim);font-weight:500;transition:background .15s,color .15s}.segmented button.active{background:var(--panel-3);color:var(--text)}.auth-form{display:flex;flex-direction:column;gap:12px}.auth-form label{font-size:12.5px;font-weight:500;color:var(--text-dim);margin-bottom:-6px}.auth-form input{padding:11px 14px;border-radius:11px;border:1px solid var(--line);background:var(--panel-2);transition:border-color .15s}.auth-form input:focus{outline:none;border-color:var(--accent)}.otp-input{font-size:20px;letter-spacing:8px;text-align:center;font-variant-numeric:tabular-nums}.auth-error{color:var(--danger);font-size:13px}.auth-link{background:none;border:none;color:var(--text-dim);font-size:13px;align-self:center}.auth-link:hover{color:var(--text)}.auth-footer{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:22px;font-size:12px;color:var(--text-faint)}.auth-footer svg{color:var(--ok)}.settings-profile{display:flex;align-items:center;gap:12px;margin-bottom:6px}.modal-label{display:block;font-size:12.5px;font-weight:500;color:var(--text-dim);margin-top:14px;margin-bottom:6px}.modal-readonly{padding:10px 14px;border-radius:11px;background:var(--panel-2);color:var(--text-dim);font-size:13.5px}.modal-error{color:var(--danger);font-size:13px;margin-top:10px}.modal-success{color:var(--ok);font-size:13px;margin-top:10px}.auth-hint{font-size:11.5px;color:var(--text-faint);margin-top:-6px}.modal-backdrop{position:fixed;inset:0;background:#04080ea6;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:grid;place-items:center;z-index:20;padding:20px}.modal{width:min(440px,100%);max-height:85vh;display:flex;flex-direction:column;padding:20px;border-radius:18px;background:var(--panel);border:1px solid var(--line);box-shadow:0 30px 80px #00000080}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.modal-header h3{margin:0;font-family:var(--font-display);font-size:17px}.selected-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.selected-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 6px 4px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12.5px;font-weight:500}.selected-chip button{display:grid;place-items:center;border:none;background:transparent;color:inherit;padding:2px;border-radius:50%}.modal-results{margin-top:12px;display:flex;flex-direction:column;gap:2px;overflow-y:auto;min-height:60px}.modal-user{display:flex;align-items:center;gap:10px;padding:8px 10px;border:none;border-radius:11px;background:transparent;color:var(--text);text-align:left}.modal-user:hover{background:var(--panel-2)}.modal-user.selected{background:var(--accent-soft)}.modal-user-meta{flex:1;min-width:0}.modal-user-name{font-size:14px;font-weight:500}.modal-user-sub{font-size:12px;color:var(--text-faint)}.modal-user .check{color:var(--accent)}.modal-hint{margin:16px 4px;text-align:center;color:var(--text-faint);font-size:13px}.modal-field{width:100%;padding:10px 14px;border-radius:11px;border:1px solid var(--line);background:var(--panel-2)}.modal-field:focus{outline:none;border-color:var(--accent)}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}@media(max-width:760px){.sidebar{width:260px}.bubble-wrap{max-width:80%}}