:root{--bg:#f4f7fb;--panel:#fff;--text:#14213d;--muted:#6b7280;--line:#e5e7eb;--primary:#0b5394;--danger:#b42318;--success:#067647;--warn:#b54708}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}.shell{display:flex;min-height:100vh}.side{width:245px;background:#0d2742;color:#fff;padding:24px 16px;position:fixed;inset:0 auto 0 0}.brand{font-size:20px;font-weight:700;margin-bottom:6px}.sub{font-size:12px;opacity:.7;margin-bottom:24px}.nav a{display:block;color:#dce8f5;padding:10px 12px;border-radius:8px;margin:4px 0}.nav a:hover,.nav a.active{background:#163d64;color:#fff}.main{margin-left:245px;width:calc(100% - 245px);padding:24px}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:0 1px 2px rgba(0,0,0,.03)}.metric b{font-size:27px;display:block;margin-top:8px}.badge{display:inline-flex;padding:4px 9px;border-radius:999px;font-size:12px;font-weight:700}.hot{background:#fee4e2;color:#b42318}.warm{background:#fef0c7;color:#b54708}.cold{background:#e8f1fb;color:#0b5394}.on{background:#dcfae6;color:#067647}.off{background:#fee4e2;color:#b42318}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:11px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:14px}th{background:#f8fafc;font-size:12px;text-transform:uppercase;color:#475467}.btn{display:inline-block;border:0;border-radius:8px;padding:9px 13px;background:var(--primary);color:#fff;cursor:pointer;font-weight:700}.btn.secondary{background:#eef4fb;color:var(--primary)}.btn.danger{background:#b42318}.btn.success{background:#067647}.btn.small{padding:6px 9px;font-size:12px}input,select,textarea{width:100%;padding:10px 11px;border:1px solid #cfd5dd;border-radius:8px;background:#fff;font:inherit}textarea{min-height:120px;resize:vertical}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}.full{grid-column:1/-1}.flash{padding:12px 14px;border-radius:8px;margin-bottom:15px;background:#e8f1fb;color:#0b5394}.flash.error{background:#fee4e2;color:#b42318}.chat{display:flex;flex-direction:column;gap:10px;max-height:570px;overflow:auto;padding:8px}.bubble{max-width:75%;padding:10px 12px;border-radius:12px;white-space:pre-wrap;line-height:1.45}.inbound{align-self:flex-start;background:#eef2f6}.outbound{align-self:flex-end;background:#d9ecff}.meta{font-size:11px;color:var(--muted);margin-top:4px}.code{font-family:ui-monospace,Consolas,monospace;white-space:pre-wrap;word-break:break-word;background:#101828;color:#e6edf3;padding:14px;border-radius:8px;font-size:12px;max-height:460px;overflow:auto}.login-wrap{max-width:430px;margin:9vh auto}.muted{color:var(--muted)}.row-actions{display:flex;gap:8px;flex-wrap:wrap}.section-title{display:flex;align-items:center;justify-content:space-between;margin:0 0 14px}h1,h2,h3{margin-top:0}.notice{padding:12px;background:#fff7ed;border:1px solid #fed7aa;border-radius:8px;color:#9a3412}.ok{color:var(--success);font-weight:700}.bad{color:var(--danger);font-weight:700}@media(max-width:1050px){.grid{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr}}@media(max-width:760px){.side{position:static;width:100%}.shell{display:block}.main{margin:0;width:100%;padding:14px}.grid{grid-template-columns:1fr}}