:root{color-scheme:light;--page-bg:#f6f8fb;--panel-bg:#ffffff;--ink:#18202f;--muted:#687284;--line:#d9e0ea;--brand:#256f6c;--accent:#d8842f}*{box-sizing:border-box}body,html{min-height:100%;margin:0;background:var(--page-bg);color:var(--ink)}body{font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}.admin-shell{min-height:100vh}.admin-sider{border-right:1px solid var(--line);background:var(--panel-bg)}.admin-logo{height:56px;display:flex;align-items:center;gap:10px;padding:0 18px;border-bottom:1px solid var(--line);font-weight:700}.admin-logo-mark{width:26px;height:26px;border-radius:6px;background:var(--brand)}.admin-header{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;border-bottom:1px solid var(--line);background:var(--panel-bg)}.admin-content{padding:24px}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:12px;gap:12px;margin-bottom:18px}.summary-tile{min-height:92px;padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--panel-bg)}.summary-label{color:var(--muted);font-size:13px}.summary-value{margin-top:8px;font-size:28px;font-weight:700}.work-panel{border:1px solid var(--line);border-radius:8px;background:var(--panel-bg)}@media (max-width:900px){.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:640px){.admin-sider{display:none}.admin-content{padding:16px}.toolbar{align-items:flex-start;flex-direction:column}.summary-grid{grid-template-columns:1fr}}