:root{--bg: #0f1216;--panel: #171b21;--panel-2: #1e232b;--border: #2a313b;--text: #e6e9ee;--muted: #8b95a5;--accent: #3b82f6;--accent-hover: #2f6fd0;--ok: #22c55e;--warn: #f59e0b;--err: #ef4444;--radius: 10px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app{display:flex;flex-direction:column;min-height:100vh}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;background:var(--panel);border-bottom:1px solid var(--border);flex-wrap:wrap}.topbar__brand{font-weight:600;font-size:16px}.topbar__brand small{color:var(--muted);font-weight:400;margin-left:8px}.topbar__nav{display:flex;gap:8px;align-items:center}.navlink{padding:6px 12px;border-radius:8px;color:var(--muted);font-size:14px}.navlink:hover{background:var(--panel-2);color:var(--text);text-decoration:none}.navlink--active{background:var(--panel-2);color:var(--text)}.main{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:24px 20px}.conn{font-size:12px;padding:3px 9px;border-radius:999px;border:1px solid var(--border);color:var(--muted);white-space:nowrap}.conn--on{color:var(--ok);border-color:#1d5c37}.field{display:block;margin-bottom:14px}.field__label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}input,textarea,select{width:100%;padding:10px 12px;background:var(--panel-2);border:1px solid var(--border);border-radius:8px;color:var(--text);font:inherit}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent)}textarea{resize:vertical;min-height:72px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border:1px solid transparent;border-radius:8px;background:var(--accent);color:#fff;font:inherit;font-weight:500;cursor:pointer}.btn:hover:not(:disabled){background:var(--accent-hover)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn--ghost{background:transparent;border-color:var(--border);color:var(--text)}.btn--ghost:hover:not(:disabled){background:var(--panel-2)}.btn--sm{padding:6px 10px;font-size:13px}.alert{padding:10px 12px;border-radius:8px;font-size:14px;margin-bottom:14px}.alert--err{background:#3a1d1f;color:#fca5a5;border:1px solid #5c2a2d}.alert--ok{background:#14331f;color:#86efac;border:1px solid #1d5c37}.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login__card{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:32px}.login__title{margin:0 0 6px;font-size:22px}.login__sub{margin:0 0 24px;color:var(--muted);font-size:14px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.card__title{margin:0 0 14px;font-size:15px;color:var(--muted);font-weight:500}.kv{display:grid;grid-template-columns:minmax(120px,max-content) 1fr;gap:8px 16px;font-size:14px}.kv dt{color:var(--muted)}.kv dd{margin:0;word-break:break-word}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:500;border:1px solid var(--border)}.badge--ok{color:var(--ok);border-color:#1d5c37;background:#10231a}.badge--warn{color:var(--warn);border-color:#5c4415;background:#241d0e}.badge--err{color:var(--err);border-color:#5c2a2d;background:#241314}.chat{display:flex;flex-direction:column;height:calc(100vh - 150px);min-height:420px}.chat__scroll{flex:1;overflow-y:auto;padding:4px 2px 12px}.chat__empty{color:var(--muted);text-align:center;padding:48px 16px;font-size:14px}.msg{display:flex;margin-bottom:12px}.msg--mine{justify-content:flex-end}.msg__bubble{max-width:min(78%,620px);padding:10px 14px;border-radius:12px;background:var(--panel-2);border:1px solid var(--border);white-space:pre-wrap;word-break:break-word}.msg--mine .msg__bubble{background:#1c3355;border-color:#24457a}.msg__meta{font-size:11px;color:var(--muted);margin-top:5px}.chat__form{display:flex;gap:10px;padding-top:12px;border-top:1px solid var(--border)}.chat__form textarea{flex:1;min-height:44px;max-height:160px}.side{display:grid;grid-template-columns:1fr 320px;gap:20px;align-items:start}@media (max-width: 860px){.side{grid-template-columns:1fr}}.admin{display:grid;grid-template-columns:320px 1fr;gap:20px;align-items:start}@media (max-width: 900px){.admin{grid-template-columns:1fr}}.admin__list{display:flex;flex-direction:column;gap:6px;max-height:70vh;overflow-y:auto}.thread{display:flex;justify-content:space-between;gap:10px;align-items:center;width:100%;padding:10px 12px;background:var(--panel);border:1px solid var(--border);border-radius:8px;color:var(--text);font:inherit;text-align:left;cursor:pointer}.thread:hover{border-color:var(--accent)}.thread--active{border-color:var(--accent);background:var(--panel-2)}.thread__email{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.thread__sub{font-size:12px;color:var(--muted);margin-top:2px}.seg{display:flex;gap:6px;margin-bottom:14px}.seg button{flex:1;padding:7px 10px;background:var(--panel-2);border:1px solid var(--border);border-radius:8px;color:var(--muted);font:inherit;font-size:13px;cursor:pointer}.seg button[aria-pressed=true]{border-color:var(--accent);color:var(--text);background:#1c3355}.presets{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}.stack{display:flex;flex-direction:column;gap:20px}.row{display:flex;gap:10px;align-items:center}.muted{color:var(--muted);font-size:13px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.spinner{padding:40px;text-align:center;color:var(--muted)}