:root{--brand:#0f4c81;--brand-dark:#0a3760;--brand-soft:#e8f0f8;--bg:#f4f6f9;--surface:#fff;--border:#e2e7ee;--text:#1c2733;--muted:#637284;--danger:#c0392b;--danger-soft:#fdecea;--warn:#b7791f;--warn-soft:#fef6e4;--ok:#1e7e4f;--ok-soft:#e6f5ee;--info-soft:#eaf2fd;--radius:10px;--shadow:0 1px 2px #1018280f, 0 1px 3px #10182814;color:var(--text);background:var(--bg);font-family:Segoe UI,Noto Sans Arabic,Noto Sans,Tahoma,-apple-system,BlinkMacSystemFont,Roboto,Arial,sans-serif;font-size:14px;line-height:1.5}*{box-sizing:border-box}body{background:var(--bg);margin:0}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}h1{margin:0 0 4px;font-size:22px}h2{margin:0 0 12px;font-size:16px}h3{margin:0 0 8px;font-size:14px}.muted{color:var(--muted)}.small{font-size:12px}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.spacer{flex:1}.grid{gap:16px;display:grid}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-kpi{grid-template-columns:repeat(auto-fill,minmax(170px,1fr))}@media (width<=900px){.grid-2,.grid-3{grid-template-columns:1fr}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);min-width:0;padding:16px}.kpi .label{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:12px}.kpi .value{margin-top:4px;font-size:28px;font-weight:650}.kpi .sub{color:var(--muted);font-size:12px}button,.btn{font:inherit;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;white-space:nowrap;border-radius:8px;align-items:center;gap:6px;padding:7px 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9px;font-size:12px;font-weight:600;display:inline-block}.pill.ok{background:var(--ok-soft);color:var(--ok)}.pill.warn{background:var(--warn-soft);color:var(--warn)}.pill.danger{background:var(--danger-soft);color:var(--danger)}.pill.info{background:var(--info-soft);color:var(--brand)}.pill.hot{color:#b42318;background:#fdecea}.pill.warm{color:#b54708;background:#fef6e4}.pill.cold{color:#3538cd;background:#eef4ff}.alert{border-radius:8px;margin-bottom:12px;padding:10px 14px}.alert.error{background:var(--danger-soft);color:var(--danger)}.alert.success{background:var(--ok-soft);color:var(--ok)}.alert.info{background:var(--info-soft);color:var(--brand-dark)}.alert.warn{background:var(--warn-soft);color:var(--warn)}.empty{text-align:center;color:var(--muted);padding:28px}.admin{grid-template-columns:230px 1fr;min-height:100vh;display:grid}.sidebar{color:#c9d6e3;background:#0d2238;flex-direction:column;gap:4px;padding:18px 12px;display:flex}.sidebar .brand{color:#fff;padding:4px 10px 16px;font-size:16px;font-weight:700}.sidebar .brand small{color:#8ea3b8;font-size:12px;font-weight:400;display:block}.sidebar a{color:#c9d6e3;border-radius:8px;justify-content:space-between;align-items:center;padding:8px 10px;display:flex}.sidebar a:hover{background:#ffffff12;text-decoration:none}.sidebar a.active{color:#fff;background:#ffffff24}.sidebar .badge{color:#fff;background:#e5484d;border-radius:999px;padding:0 7px;font-size:11px;font-weight:700}.main{min-width:0}.topbar{background:var(--surface);border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:10px 24px;display:flex}.content{max-width:1400px;padding:22px 24px 40px}.page-head{flex-wrap:wrap;align-items:flex-end;gap:12px;margin-bottom:18px;display:flex}.filters{flex-wrap:wrap;gap:8px;margin-bottom:12px;display:flex}.filters input,.filters select{width:auto;min-width:140px}.menu-toggle{display:none}@media (width<=860px){.admin{grid-template-columns:1fr}.sidebar{display:none}.sidebar.open{z-index:50;display:flex;position:fixed;inset:0 30% 0 0}.menu-toggle{display:inline-flex}.content{padding:16px}}.bars{border-bottom:1px solid var(--border);align-items:flex-end;gap:4px;height:160px;padding-top:8px;display:flex}.bars .day{flex:1;justify-content:center;align-items:flex-end;gap:2px;min-width:6px;height:100%;display:flex;position:relative}.bars .day:hover{background:#f3f6fa}.bars .b{border-radius:4px 4px 0 0;flex:1;max-width:14px;min-height:0}.bars .b1{background:#2a78d6}.bars .b2{background:#eb6834}.bars .tip{color:#fff;white-space:nowrap;z-index:5;pointer-events:none;background:#1c2733;border-radius:6px;padding:6px 8px;font-size:12px;display:none;position:absolute;bottom:calc(100% + 4px);left:50%;transform:translate(-50%)}.bars .day:hover .tip,.bars .day:focus 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solid #f3dfa6;align-self:flex-start}.tmsg .meta{opacity:.75;margin-top:4px;font-size:11px}.kv{grid-template-columns:140px 1fr;gap:6px 12px;font-size:13px;display:grid}.kv dt{color:var(--muted)}.kv dd{overflow-wrap:anywhere;margin:0}.modal-bg{z-index:100;background:#0f172a73;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal{background:#fff;border-radius:12px;width:100%;max-width:680px;max-height:92vh;padding:20px;overflow-y:auto}.center-page{justify-content:center;align-items:center;min-height:100vh;padding:16px;display:flex}.login-card{width:100%;max-width:400px}.landing{max-width:880px;margin:0 auto;padding:48px 16px}.demo-box{background:#fff9e8;border:1px dashed #e7c66b;border-radius:8px;padding:10px 12px;font-size:13px}code{background:#f0f3f7;border-radius:4px;padding:1px 5px;font-size:12.5px}pre{color:#e6edf3;background:#0d2238;border-radius:8px;padding:12px;font-size:12.5px;overflow-x:auto}.chat-shell{background:linear-gradient(160deg,#eaf1f8,#f7f9fb);justify-content:center;align-items:center;min-height:100vh;padding:16px;display:flex}.chat-shell.embed{background:#fff;padding:0}.chat{background:#fff;border-radius:18px;flex-direction:column;width:100%;max-width:460px;height:min(760px,100vh - 32px);display:flex;overflow:hidden;box-shadow:0 18px 50px #0f28462e}.chat-shell.embed .chat{max-width:none;height:100vh;box-shadow:none;border-radius:0}@media (width<=520px){.chat-shell{padding:0}.chat{border-radius:0;max-width:none;height:100dvh}}.chat-header{background:var(--chat-brand,var(--brand));color:#fff;align-items:center;gap:12px;padding:14px 16px;display:flex}.chat-header .avatar{background:#fff3;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-weight:700;display:flex}.chat-header .title{font-weight:650}.chat-header .subtitle{opacity:.85;font-size:12px}.chat-header button{color:#fff;background:#ffffff26;border-color:#ffffff4d;padding:4px 10px;font-size:12px}.chat-notice{background:var(--warn-soft);color:#7a4f0e;border-bottom:1px solid #f3e2b8;padding:8px 14px;font-size:12.5px}.chat-notice.human{background:var(--ok-soft);color:var(--ok)}.chat-body{background:#f7f9fb;flex-direction:column;flex:1;gap:10px;padding:16px;display:flex;overflow-y:auto}.bubble{white-space:pre-wrap;word-wrap:break-word;border-radius:16px;max-width:85%;padding:10px 13px;font-size:14.5px;line-height:1.55}.bubble.user{background:var(--chat-brand,var(--brand));color:#fff;border-end-end-radius:4px;align-self:flex-end}.bubble.assistant,.bubble.human{border:1px solid var(--border);background:#fff;border-end-start-radius:4px;align-self:flex-start}.bubble.human{background:#f3fbf6;border-color:#bfe3cf}.bubble .who{color:var(--ok);margin-bottom:2px;font-size:11px;font-weight:600}.bubble.failed{opacity:.6}.typing{border:1px solid var(--border);background:#fff;border-radius:16px;align-self:flex-start;gap:4px;padding:10px 14px;display:flex}.typing span{background:#9aa7b6;border-radius:50%;width:7px;height:7px;animation:1.2s ease-in-out infinite blink}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.3}40%{opacity:1}}.chat-error{background:var(--danger-soft);color:var(--danger);border-radius:8px;align-items:center;gap:8px;margin:0 14px 8px;padding:8px 12px;font-size:13px;display:flex}.chat-input{border-top:1px solid var(--border);background:#fff;align-items:flex-end;gap:8px;padding:10px;display:flex}.chat-input textarea{resize:none;border-radius:12px;min-height:44px;max-height:140px;font-size:14.5px}.chat-input button{background:var(--chat-brand,var(--brand));color:#fff;border:0;border-radius:12px;height:44px;padding:0 16px}.chat-footer{text-align:center;color:var(--muted);background:#fff;padding:0 10px 8px;font-size:11px}.chat-suggestions{flex-wrap:wrap;gap:6px;display:flex}.chat-suggestions button{color:var(--brand-dark);white-space:normal;text-align:start;background:#fff;border-color:#c9d8e8;border-radius:999px;padding:5px 12px;font-size:12.5px}.grid-detail{grid-template-columns:minmax(0,2fr) minmax(280px,1fr)}@media (width<=900px){.grid-detail{grid-template-columns:1fr}}