:root{--bg:#f3f6fb;--card:#fff;--text:#0f172a;--muted:#64748b;--line:#e2e8f0;--primary:#0f766e;--primary2:#10b981;--dark:#0f172a;--danger:#dc2626;--warn:#f59e0b;--shadow:0 18px 45px rgba(15,23,42,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Cairo,Arial,sans-serif;background:radial-gradient(circle at top right,#d1fae5 0,#f3f6fb 34%,#eef2ff 100%);color:var(--text);min-height:100vh}a{color:inherit}.top{background:rgba(15,23,42,.94);backdrop-filter:blur(14px);color:#fff;padding:14px 26px;display:flex;align-items:center;justify-content:space-between;gap:18px;position:sticky;top:0;z-index:20;box-shadow:0 10px 30px rgba(15,23,42,.18)}.brand{font-weight:900;font-size:28px;letter-spacing:.5px;color:#34d399;display:flex;align-items:center;gap:8px}.brand:before{content:"";width:13px;height:13px;background:#34d399;border-radius:50%;box-shadow:0 0 0 7px rgba(52,211,153,.14)}.top nav{display:flex;align-items:center;justify-content:flex-end;gap:6px;flex-wrap:wrap}.top a{color:#e5e7eb;text-decoration:none;padding:9px 12px;border-radius:12px;font-weight:800;transition:.2s}.top a:hover{background:rgba(255,255,255,.1);color:#fff}.wrap{max-width:1240px;margin:28px 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10px;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:12px;font-weight:900}.badge.ok{background:#dcfce7;color:#166534}.badge.warn{background:#fef3c7;color:#92400e}.alert{padding:13px 15px;border-radius:16px;margin-bottom:16px;font-weight:900;border:1px solid transparent}.alert.ok{background:#dcfce7;color:#166534;border-color:#bbf7d0}.alert.err{background:#ffe4e6;color:#9f1239;border-color:#fecdd3}.auth{max-width:470px;margin:55px auto}.qr{max-width:280px;width:100%;background:#fff;padding:12px;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow)}footer{text-align:center;color:#64748b;padding:34px 12px}.ltr{direction:ltr;text-align:left}.check{display:block;margin:10px 0;padding:12px;border:1px solid #e5e7eb;border-radius:16px;background:#f8fafc;font-weight:800}.check input{margin-left:8px}.empty{padding:20px;text-align:center;color:#64748b;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:18px}.empty.big{padding-top:190px;min-height:360px}.knowledge-list{display:grid;gap:13px}.knowledge-item{display:flex;justify-content:space-between;gap:14px;border:1px solid #e5e7eb;border-radius:18px;padding:16px;background:linear-gradient(180deg,#fff,#fbfdff)}.knowledge-item p{white-space:pre-wrap;color:#334155;margin:0;line-height:1.8}.log-pre{white-space:pre-wrap;direction:ltr;text-align:left;max-width:460px;max-height:190px;overflow:auto;background:#0f172a;color:#d1fae5;border-radius:14px;padding:12px;font-size:12px;line-height:1.6}.inbox-grid{display:grid;grid-template-columns:340px minmax(0,1fr);gap:18px;min-height:650px}.chat-list,.chat-window{background:#fff;border:1px solid #e5e7eb;border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}.new-chat{display:grid;gap:8px;padding:14px;border-bottom:1px solid #e5e7eb;background:#f8fafc}.new-chat input,.new-chat select,.reply-box input{border:1px solid 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@media(max-width:640px){body{background:#f5f7fb}.top{padding:12px 14px;position:relative}.brand{font-size:24px}.top nav{display:grid;grid-template-columns:1fr 1fr;width:100%;gap:8px}.top a{text-align:center;background:rgba(255,255,255,.07);margin:0;font-size:13px;padding:8px}.wrap{padding:0 12px;margin:16px auto}.card{border-radius:18px;padding:16px}.table th,.table td{padding:10px;min-width:120px}.btn,button.btn{width:100%;padding:11px 12px}.knowledge-item{display:block}.reply-box{grid-template-columns:1fr}.bubble{max-width:88%}.chat-head{align-items:flex-start;flex-direction:column;padding:12px}.grid{grid-template-columns:1fr}.stat{font-size:34px}.hide-mobile{display:none}}
.kb-editor{min-height:420px;line-height:1.9;font-family:inherit;resize:vertical;background:#fff}.inline-form{margin-top:12px}.small{font-size:12px}.form-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}@media(max-width:768px){.kb-editor{min-height:320px}}