:root{color-scheme:dark;--bg: #121316;--panel: #1a1c20;--panel-2: #23262c;--border: #2c2f36;--text: #f2efe9;--muted: #9298a3;--accent: #ff6a4d;--accent-2: #ff3d81;--on-accent: #fff;--danger: #e5484d}:root[data-theme=light]{color-scheme:light;--bg: #faf8f4;--panel: #ffffff;--panel-2: #f3efe6;--border: #eae4d8;--text: #242220;--muted: #8a8580}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,sans-serif;transition:background .15s,color .15s}button{font:inherit;cursor:pointer}input,select{font:inherit}.accent-fill{background:linear-gradient(135deg,var(--accent),var(--accent-2))}.avatar{border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;flex-shrink:0;text-transform:uppercase}.a-0{background:#ff6a4d}.a-1{background:#2dd4bf}.a-2{background:#ffb84d;color:#3a2400}.a-3{background:#8b7ff6}.a-4{background:#ff3d81}.a-5{background:#4d9fff}.muted{color:var(--muted);font-size:.85rem}#app.onboarding{max-width:440px;margin:0 auto;padding:calc(2.5rem + env(safe-area-inset-top)) 1.25rem calc(2.5rem + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:1.25rem}.onboarding .header{display:flex;align-items:center;gap:12px;margin-bottom:.25rem}.onboarding .header .mark{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;color:#fff}.onboarding .header h1{font-size:20px;margin:0}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:1.1rem 1.2rem;display:flex;flex-direction:column;gap:.6rem}.card h3{margin:0 0 .15rem;font-size:14px;font-weight:700}.field{display:flex;flex-direction:column;gap:4px}.field label{font-size:12px;color:var(--muted)}.field input,.field select{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:9px 12px;font-size:16px}.field input::placeholder{color:var(--muted)}.btn{border:none;border-radius:10px;padding:10px 16px;font-size:14px;font-weight:600;color:var(--on-accent);background:linear-gradient(135deg,var(--accent),var(--accent-2))}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:var(--panel-2);color:var(--text);border:1px solid var(--border)}.btn.danger{background:var(--danger);color:#fff}.btn.block{width:100%}.status-line{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--muted)}.status-dot{width:8px;height:8px;border-radius:50%;background:#666;flex-shrink:0}.status-dot.online{background:#3ecf6d}.status-dot.offline{background:var(--danger)}.error-text{color:var(--danger);font-size:12.5px}#app.shell{display:grid;grid-template-columns:300px 1fr;height:100vh;height:100dvh;max-width:1100px;margin:0 auto;border-left:1px solid var(--border);border-right:1px solid var(--border)}.sidebar{background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;min-width:0}.brand{padding:calc(16px + env(safe-area-inset-top)) 14px 10px;display:flex;align-items:center;gap:10px}.brand .mark{width:30px;height:30px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;color:#fff}.brand .name{font-size:15px;font-weight:700;flex:1}.icon-btn{width:30px;height:30px;border-radius:50%;background:var(--panel-2);border:1px solid var(--border);color:var(--text);display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}.search-row{display:flex;gap:8px;margin:0 14px 10px}.search-row input{flex:1;background:var(--panel-2);border:1px solid var(--border);border-radius:10px;padding:8px 12px;color:var(--text);font-size:16px}.search-row input::placeholder{color:var(--muted)}.conv-list{overflow-y:auto;flex:1;padding:4px 8px 8px}.conv-empty{padding:24px 16px;text-align:center;color:var(--muted);font-size:13px}.conv{display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px;cursor:pointer}.conv:hover,.conv.active{background:var(--panel-2)}.conv .avatar{width:40px;height:40px;font-size:14px}.conv-main{flex:1;min-width:0}.conv-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.conv-name{font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conv-time{font-size:11px;color:var(--muted);flex-shrink:0}.conv-sub{display:flex;justify-content:space-between;align-items:center;margin-top:2px;gap:6px}.conv-msg{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge{background:var(--accent-2);color:#fff;font-size:10.5px;font-weight:700;border-radius:20px;padding:1px 6px;min-width:16px;text-align:center;flex-shrink:0}.sidebar-footer{padding:10px 14px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--border)}.chat{display:flex;flex-direction:column;background:var(--bg);min-width:0}.chat-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:14px}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:calc(14px + env(safe-area-inset-top)) 20px 14px;border-bottom:1px solid var(--border)}.chat-title{display:flex;align-items:center;gap:10px}.chat-title .avatar{width:32px;height:32px;font-size:12.5px}.chat-title h2{font-size:15px;margin:0;font-weight:600}.lock-pill{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--muted);background:var(--panel-2);border:1px solid var(--border);padding:3px 9px;border-radius:20px}.lock-pill.clickable{cursor:pointer}.lock-pill.clickable:hover{border-color:var(--accent);color:var(--text)}.security-banner{display:flex;align-items:center;flex-wrap:wrap;gap:8px;background:#e5484d1f;border:1px solid var(--danger);color:var(--danger);font-size:12.5px;padding:8px 12px;border-radius:10px;margin-bottom:8px}.link-btn{background:none;border:none;color:inherit;text-decoration:underline;font:inherit;padding:0;cursor:pointer}.safety-list{display:flex;flex-direction:column;gap:10px}.safety-group{display:flex;flex-direction:column;gap:8px}.safety-group+.safety-group{border-top:1px solid var(--border);padding-top:12px}.safety-group-title{font-size:13px;font-weight:700}.safety-item{background:var(--panel-2);border:1px solid var(--border);border-radius:12px;padding:10px 12px;display:flex;flex-direction:column;gap:8px}.safety-item-head{display:flex;justify-content:space-between;align-items:center}.device-name{font-size:13.5px;font-weight:600}.status-tag{font-size:11px;padding:2px 8px;border-radius:20px;background:var(--border);color:var(--muted)}.status-tag.ok{background:#3ecf6d26;color:#3ecf6d}.status-tag.warn{background:#e5484d26;color:var(--danger)}.safety-number{font-family:ui-monospace,monospace;font-size:13px;letter-spacing:.5px;line-height:1.6;word-break:break-all}.messages{flex:1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:2px}.date-chip{align-self:center;font-size:11px;color:var(--muted);background:var(--panel-2);padding:3px 12px;border-radius:20px;margin:10px 0}.row{display:flex;max-width:70%;flex-direction:column;margin:2px 0}.row.mine{align-self:flex-end;align-items:flex-end}.row.theirs{align-self:flex-start;align-items:flex-start}.bubble{padding:9px 13px;font-size:14px;line-height:1.45;word-break:break-word}.row.mine .bubble{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border-radius:16px 16px 4px}.row.theirs .bubble{background:var(--panel-2);color:var(--text);border-radius:16px 16px 16px 4px}.meta{font-size:10.5px;color:var(--muted);margin:3px 4px 0}.composer{display:flex;align-items:center;gap:10px;padding:12px 16px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--border)}.composer input{flex:1;background:var(--panel-2);border:1px solid var(--border);border-radius:22px;padding:11px 16px;color:var(--text);font-size:16px}.composer input::placeholder{color:var(--muted)}.send-btn{width:38px;height:38px;border-radius:50%;border:none;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;flex-shrink:0}.send-btn:disabled{opacity:.4}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:20;padding:16px}.modal{background:var(--panel);border:1px solid var(--border);border-radius:16px;width:100%;max-width:380px;max-height:85vh;overflow-y:auto;padding:1.25rem;display:flex;flex-direction:column;gap:.9rem}.modal-header{display:flex;align-items:center;justify-content:space-between}.modal-header h3{margin:0;font-size:15px}.checklist{display:flex;flex-direction:column;gap:6px;max-height:220px;overflow-y:auto}.checklist label{display:flex;align-items:center;gap:8px;font-size:13.5px;padding:4px 0}@media (max-width: 640px){#app.shell{grid-template-columns:1fr}#app.shell.conv-open .sidebar{display:none}#app.shell:not(.conv-open) .chat{display:none}.back-btn{display:inline-flex!important}}.back-btn{display:none}