:root{--background:#f7f8fa;--foreground:#17202a;--muted:#667085;--line:#d8dee6;--surface:#fff;--surface-soft:#eef3f5;--accent:#0f766e;--accent-dark:#115e59;--danger:#b42318;--warning:#a15c07;--radius:8px}html{height:100%}html,body{max-width:100vw;overflow-x:hidden}body{min-height:100%;color:var(--foreground);background:var(--background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;font-family:Arial,Helvetica,sans-serif;display:flex}*{box-sizing:border-box;margin:0;padding:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,.button{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:7px;justify-content:center;align-items:center;min-height:38px;padding:0 14px;font-size:14px;font-weight:650;display:inline-flex}button:hover,.button:hover{background:var(--accent-dark)}button.secondary,.button.secondary{color:#17202a;background:#e8eef1}button.danger,.button.danger{background:var(--danger)}input,select,textarea{border:1px solid var(--line);width:100%;color:var(--foreground);background:#fff;border-radius:7px;padding:10px 11px;font-size:14px}textarea{resize:vertical;min-height:160px}label{color:#344054;gap:6px;font-size:13px;font-weight:650;display:grid}.topbar{z-index:10;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff0;justify-content:space-between;align-items:center;gap:24px;height:60px;padding:0 28px;display:flex;position:sticky;top:0}.brand{letter-spacing:0;align-items:center;gap:10px;font-weight:760;display:inline-flex}.brand-mark{color:#fff;background:#0f766e;border-radius:7px;place-items:center;width:30px;height:30px;font-weight:800;display:inline-grid}.topnav{color:var(--muted);align-items:center;gap:16px;font-size:14px;font-weight:600;display:flex}.shell{width:min(1440px,100%);margin:0 auto;padding:28px}.library-grid{grid-template-columns:260px minmax(0,1fr);align-items:start;gap:24px;display:grid}.sidebar,.panel,.card,.admin-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.sidebar{padding:16px;position:sticky;top:84px}.sidebar h2,.panel h2,.admin-card h2{margin-bottom:12px;font-size:14px}.category-list,.tag-row{gap:8px;display:grid}.category-link{color:#344054;border-radius:7px;justify-content:space-between;gap:12px;padding:10px 11px;font-size:14px;display:flex}.category-link:hover,.category-link.active{background:var(--surface-soft);color:#111827}.count{color:var(--muted);font-variant-numeric:tabular-nums}.content-stack,.admin-stack{gap:18px;display:grid}.panel{padding:20px}.page-title{justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px;display:flex}.page-title h1{font-size:clamp(26px,3vw,38px);line-height:1.1}.muted{color:var(--muted)}.searchbar{grid-template-columns:minmax(0,1fr) auto;gap:10px;display:grid}.document-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;display:grid}.card{gap:12px;padding:16px;display:grid}.card h2{font-size:18px;line-height:1.25}.card p{color:var(--muted);font-size:14px;line-height:1.45}.chip-row{flex-wrap:wrap;gap:6px;display:flex}.chip{color:#0f766e;background:#edf7f5;border-radius:999px;align-items:center;min-height:24px;padding:0 9px;font-size:12px;font-weight:650;display:inline-flex}.status{border-radius:999px;padding:3px 8px;font-size:12px;font-weight:700}.status.draft{color:var(--warning);background:#fff7e6}.status.published{color:#087443;background:#e7f7ef}.status.archived{color:#475467;background:#f2f4f7}.admin-layout{grid-template-columns:220px minmax(0,1fr);gap:24px;display:grid}.admin-nav{align-content:start;gap:6px;display:grid}.admin-nav a{color:#344054;border-radius:7px;padding:10px 12px;font-size:14px;font-weight:650}.admin-nav a:hover{background:var(--surface-soft)}.admin-card{padding:18px}.tag-panel{border-top:1px solid var(--line);gap:12px;padding-top:14px;display:grid}.tag-panel h2{font-size:14px}.form-grid{gap:14px;display:grid}.two-col{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.table{border-collapse:collapse;width:100%;font-size:14px}.table th,.table td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:11px 8px}.table th{color:#344054;text-transform:uppercase;font-size:12px}.actions{flex-wrap:wrap;gap:8px;display:flex}.reader-frame{border:1px solid var(--line);border-radius:var(--radius);background:#fff;width:100%;height:calc(100vh - 168px);min-height:560px}.notice{color:#0f5f59;border-radius:var(--radius);background:#edf7f5;border:1px solid #b9e4dd;padding:12px 14px;font-size:14px}.error{color:var(--danger);border-radius:var(--radius);background:#fff0ee;border:1px solid #f3b3ad;padding:12px 14px;font-size:14px}@media (max-width:900px){.library-grid,.admin-layout,.two-col{grid-template-columns:1fr}.sidebar{position:static}.topbar{padding:0 16px}.shell{padding:18px}.page-title{flex-direction:column;align-items:start}}@media (max-width:560px){.topnav{gap:10px}.searchbar{grid-template-columns:1fr}}