:root{
    --bg:#f5f7fb;--panel:#ffffff;--text:#172033;--muted:#667085;--line:#e6e9f2;
    --primary:#2563eb;--primary-dark:#1d4ed8;--success:#12b76a;--warning:#f79009;--danger:#ef4444;
    --shadow:0 14px 35px rgba(15,23,42,.08);--radius:18px;
}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}.app-shell{min-height:100vh}.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 6vw}.brand{display:flex;gap:10px;align-items:center;font-weight:800;font-size:1.15rem}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--primary),#7c3aed);color:#fff}.nav-links{display:flex;gap:22px;align-items:center}.nav-links a{font-weight:600;color:#344054}.hamburger{display:none;background:transparent;border:0;cursor:pointer}.hamburger span{display:block;width:25px;height:3px;background:#101828;margin:5px;border-radius:99px}.hero{padding:78px 6vw 50px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}.hero h1{font-size:clamp(2.4rem,5vw,4.8rem);line-height:1.02;margin:0 0 20px}.hero p{font-size:1.1rem;color:var(--muted);line-height:1.7;max-width:640px}.hero-panel{background:var(--panel);border-radius:28px;padding:28px;box-shadow:var(--shadow);border:1px solid var(--line)}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:13px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.2s ease;min-height:44px}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 20px rgba(37,99,235,.22)}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:#eef4ff;color:#1d4ed8}.btn-danger{background:#fee2e2;color:#b42318}.btn-small{padding:9px 13px;min-height:36px}.layout{display:grid;grid-template-columns:270px 1fr;gap:24px;padding:24px 6vw}.sidebar{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;height:max-content;box-shadow:var(--shadow);position:sticky;top:92px}.sidebar-title{font-weight:800;margin-bottom:12px;color:#98a2b3;text-transform:uppercase;font-size:.76rem}.sidebar a{display:block;padding:12px 14px;border-radius:12px;color:#344054;font-weight:600}.sidebar a:hover{background:#f1f5ff;color:var(--primary)}.main{min-width:0}.page-head{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:22px}.page-head h1{margin:0;font-size:2rem}.page-head p{margin:5px 0 0;color:var(--muted)}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card,.stat-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:.2s ease}.card:hover,.stat-card:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(15,23,42,.11)}.stat-label{color:var(--muted);font-weight:700;font-size:.85rem}.stat-value{font-size:2rem;font-weight:800;margin:8px 0}.stat-note{color:var(--muted);font-size:.9rem}.form-card{max-width:820px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{margin-bottom:16px}.field label{display:block;font-weight:700;margin-bottom:7px}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:13px;padding:13px 14px;font:inherit;background:#fff;transition:.2s}.field textarea{min-height:120px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid #dbeafe;border-color:var(--primary)}.alert{border-radius:14px;padding:13px 16px;margin-bottom:18px;font-weight:600}.alert.success{background:#ecfdf3;color:#027a48}.alert.error{background:#fef3f2;color:#b42318}.alert.info{background:#eff6ff;color:#1d4ed8}.badge,.chip{display:inline-flex;align-items:center;border-radius:999px;padding:6px 10px;font-size:.78rem;font-weight:800}.badge.success{background:#dcfae6;color:#067647}.badge.warning{background:#fef0c7;color:#b54708}.badge.danger{background:#fee4e2;color:#b42318}.badge.info{background:#dbeafe;color:#1d4ed8}.badge.neutral,.chip{background:#f2f4f7;color:#344054}.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.helper-card{display:flex;align-items:center;gap:18px}.helper-avatar{width:58px;height:58px;border-radius:18px;background:#eef4ff;color:var(--primary);display:grid;place-items:center;font-weight:800}.helper-info{flex:1}.helper-info h3{margin:0 0 6px}.helper-info p{color:var(--muted);margin:0}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:14px;border-bottom:1px solid var(--line)}th{font-size:.82rem;color:#667085;text-transform:uppercase;background:#f8fafc}.filterbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}.filterbar input,.filterbar select{border:1px solid var(--line);border-radius:12px;padding:11px 13px}.chat-layout{display:grid;grid-template-columns:320px 1fr;gap:18px;height:calc(100vh - 130px)}.conversation-list,.chat-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.conversation-item{display:block;padding:15px;border-bottom:1px solid var(--line)}.conversation-item:hover{background:#f8fafc}.chat-messages{height:calc(100% - 78px);overflow:auto;padding:20px;display:flex;flex-direction:column;gap:10px;background:#f8fafc}.message-bubble{max-width:75%;padding:13px 15px;border-radius:18px;box-shadow:0 6px 14px rgba(15,23,42,.06)}.message-bubble.mine{align-self:flex-end;background:#2563eb;color:#fff;border-bottom-right-radius:5px}.message-bubble.theirs{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px}.message-bubble.query_summary{max-width:95%;background:#fff7ed;border:1px solid #fed7aa;color:#7c2d12}.message-bubble p{margin:6px 0}.message-bubble span{display:block;font-size:.75rem;opacity:.7}.chat-form{height:78px;display:flex;gap:10px;padding:14px;border-top:1px solid var(--line);background:#fff}.chat-form input{flex:1;border:1px solid var(--line);border-radius:13px;padding:0 14px;font:inherit}.empty-state{text-align:center;padding:38px;color:var(--muted)}.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.35);display:none;z-index:80}.filter-drawer{position:fixed;right:-380px;top:0;width:360px;max-width:90vw;height:100vh;background:#fff;z-index:90;padding:24px;box-shadow:var(--shadow);transition:.25s ease}.filter-drawer.open{right:0}.modal-backdrop.open{display:block}@media(max-width:980px){.hero{grid-template-columns:1fr}.layout{grid-template-columns:1fr}.sidebar{display:none;position:fixed;left:16px;right:16px;top:84px;z-index:70}.sidebar.open{display:block}.grid-2,.grid-3,.grid-4,.form-grid,.chat-layout{grid-template-columns:1fr}.chat-layout{height:auto}.chat-messages{height:520px}.nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:18px 6vw;flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.hamburger{display:block}.topbar{padding:0 4vw}.helper-card{align-items:flex-start;flex-direction:column}.message-bubble{max-width:95%}}