:root{--bg:#0f1115;--panel:#181b22;--panel-2:#20242e;--border:#2a2f3a;--text:#e6e9ef;--muted:#9aa3b2;--accent:#5b8cff;--accent-2:#36c692;--warn:#f0a64a;--danger:#f06a6a;--radius:12px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.muted{color:var(--muted)}.centered{display:flex;align-items:center;justify-content:center;min-height:60vh;padding:24px}.shell{display:flex;flex-direction:column;min-height:100vh}.topnav{display:flex;align-items:center;gap:16px;padding:12px 20px;border-bottom:1px solid var(--border);background:var(--panel);position:-webkit-sticky;position:sticky;top:0;z-index:10;flex-wrap:wrap}.topnav .brand{font-weight:700;color:var(--text);margin-right:8px}.topnav nav{display:flex;gap:4px;flex-wrap:wrap}.topnav nav a{color:var(--muted);padding:6px 12px;border-radius:8px;font-size:14px}.topnav nav a.active,.topnav nav a:hover{color:var(--text);background:var(--panel-2);text-decoration:none}.topnav .spacer{flex:1 1}.topnav .who{font-size:13px;color:var(--muted)}.bell-wrap{position:relative;display:flex}.bell-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border:1px solid var(--border);border-radius:8px;background:var(--panel-2);color:var(--muted);cursor:pointer}.bell-btn:hover,.bell-btn[aria-expanded=true]{color:var(--text);border-color:var(--accent)}.bell-badge{position:absolute;top:-6px;right:-6px;min-width:18px;padding:1px 5px;border-radius:999px;font-size:11px;font-weight:700;line-height:16px;text-align:center;background:var(--danger);color:#fff}.bell-panel{position:absolute;top:calc(100% + 8px);right:0;width:340px;max-width:calc(100vw - 24px);max-height:min(70vh,480px);display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 12px 32px rgba(0,0,0,.4);z-index:20;overflow:hidden}.bell-panel-foot,.bell-panel-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px}.bell-panel-head{border-bottom:1px solid var(--border)}.bell-panel-foot{border-top:1px solid var(--border);justify-content:center}.bell-panel-body{overflow-y:auto}.bell-empty{margin:0;padding:18px 14px;font-size:13px}.bell-item{padding:10px 14px;border-bottom:1px solid var(--border)}.bell-item:last-child{border-bottom:none}.bell-item.unread{background:var(--panel-2)}.bell-item.warn{border-left:3px solid var(--accent)}.bell-item-top{display:flex;gap:8px;align-items:baseline}.bell-item-title{flex:1 1;font-size:14px;font-weight:600}.bell-item.unread .bell-item-title{font-weight:700}.bell-item-time{font-size:12px;white-space:nowrap}.bell-item-body{margin:4px 0 0;font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.btn.btn-sm{padding:4px 10px;font-size:12px}.content{flex:1 1;width:100%;max-width:1100px;margin:0 auto;padding:24px 20px 64px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.grid{display:grid;grid-gap:16px;gap:16px}@media (min-width:900px){.grid.cols-2{grid-template-columns:1fr 1fr}}h1{font-size:22px;margin:0 0 16px}h2{font-size:17px;margin:0 0 12px}.form{gap:12px;max-width:380px}.form,label{display:flex;flex-direction:column}label{gap:4px;font-size:13px;color:var(--muted)}input,textarea{background:var(--panel-2);border:1px solid var(--border);border-radius:8px;padding:10px 12px;color:var(--text);font-size:15px;font-family:inherit}input:focus,textarea:focus{outline:none;border-color:var(--accent)}.btn{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:10px 16px;font-size:15px;font-weight:600;cursor:pointer}.btn:hover{filter:brightness(1.08)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:var(--panel-2);color:var(--text);border:1px solid var(--border)}.error{color:var(--danger)}.error,.ok{font-size:14px}.ok{color:var(--accent-2)}.setting-row{display:flex;align-items:center;gap:16px;padding:14px 0;border-top:1px solid var(--border)}.setting-row:first-child{border-top:none;padding-top:4px}.setting-copy{flex:1 1;min-width:0}.setting-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--text)}.setting-desc{margin:3px 0 0;font-size:12px;color:var(--muted)}.switch{position:relative;flex:none;display:inline-block;width:42px;height:24px}.switch input{position:absolute;inset:0;z-index:2;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}.switch .track{position:absolute;inset:0;z-index:0;background:var(--panel-2);border:1px solid var(--border);border-radius:999px;transition:background .15s ease,border-color .15s ease}.switch .thumb{position:absolute;top:3px;left:3px;z-index:1;width:18px;height:18px;border-radius:50%;background:var(--muted);pointer-events:none;transition:transform .15s ease,background .15s ease}.switch input:checked~.track{background:var(--accent);border-color:var(--accent)}.switch input:checked~.thumb{transform:translateX(18px);background:#fff}.switch input:focus-visible~.track{border-color:var(--accent);box-shadow:0 0 0 3px rgba(91,140,255,.35)}.switch input:disabled{cursor:not-allowed}.switch input:disabled~.thumb,.switch input:disabled~.track{opacity:.55}table{width:100%;border-collapse:collapse;font-size:13px}td,th{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);white-space:nowrap}th{color:var(--muted);font-weight:600}.table-wrap{overflow-x:auto}.badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:999px;background:var(--panel-2);border:1px solid var(--border);color:var(--muted)}.flag{display:block;font-size:12px;color:var(--warn)}.chat-layout{display:grid;grid-template-columns:1fr;grid-gap:16px;gap:16px;height:calc(100vh - 140px)}@media (min-width:900px){.chat-layout{grid-template-columns:240px 1fr}}.thread-list{display:flex;flex-direction:column;gap:6px;overflow-y:auto}.thread-item{text-align:left;background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:10px;cursor:pointer;color:var(--text);font-size:13px}.thread-item.active{border-color:var(--accent)}.thread-item .preview{color:var(--muted);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-panel{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;min-height:0}.messages{flex:1 1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}.msg{max-width:80%;padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.5;white-space:pre-wrap;word-wrap:break-word}.msg.user{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:3px}.msg.assistant{align-self:flex-start;background:var(--panel-2);border:1px solid var(--border);border-bottom-left-radius:3px}.composer{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border)}.composer textarea{flex:1 1;resize:none;min-height:44px;max-height:160px}.stat{display:flex;flex-direction:column;gap:2px}.stat .v{font-size:22px;font-weight:700}.stat .k{font-size:12px;color:var(--muted)}.stat-row{display:flex;gap:24px;flex-wrap:wrap}