:root{--brand:#c8161d;--brand-dark:#9e1116;--sidebar-bg:#1f2330;--sidebar-bg-2:#272c3d;--bg:#f4f5f7;--panel:#ffffff;--border:#e4e7ec;--text:#1f2430;--text-soft:#667085;--text-invert:#e9ecf2;--ok:#16a34a;--warn:#d97706;--err:#dc2626;--info:#2563eb;--radius:8px;--shadow:0 1px 2px rgba(16,24,40,0.06),0 1px 3px rgba(16,24,40,0.1)}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);font-size:14px;line-height:1.5}a{color:var(--info);text-decoration:none}a:hover{text-decoration:underline}.admin-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--sidebar-bg);color:var(--text-invert);display:flex;flex-direction:column;position:-webkit-sticky;position:sticky;top:0;height:100vh}.sidebar .brand{padding:18px 20px;font-size:16px;font-weight:700;letter-spacing:.5px;background:var(--brand);color:#fff}.sidebar nav{padding:12px 10px;overflow-y:auto;flex:1 1}.sidebar nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:6px;color:var(--text-invert);opacity:.82;margin-bottom:2px}.sidebar nav a:hover{background:var(--sidebar-bg-2);text-decoration:none;opacity:1}.sidebar nav a.active{background:var(--brand);opacity:1;font-weight:600}.main{display:flex;flex-direction:column;min-width:0}.topbar{height:56px;background:var(--panel);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:-webkit-sticky;position:sticky;top:0;z-index:10}.topbar .who{color:var(--text-soft);font-size:13px}.topbar .who b{color:var(--text)}.content{padding:24px}.guest-wrap{min-height:100vh;justify-content:center;background:linear-gradient(135deg,#1f2330,#2b3147);padding:20px}.guest-wrap,.page-head{display:flex;align-items:center}.page-head{justify-content:space-between;margin-bottom:18px;gap:12px;flex-wrap:wrap}.page-head h1{font-size:20px;margin:0}.page-head .sub{color:var(--text-soft);font-size:13px;margin-top:2px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.card+.card{margin-top:16px}.grid{display:grid;grid-gap:16px;gap:16px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.stat{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px}.stat .label{color:var(--text-soft);font-size:13px}.stat .value{font-size:26px;font-weight:700;margin-top:6px}.table-wrap{overflow-x:auto;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}table{width:100%;border-collapse:collapse;font-size:13px}td,th{text-align:left;padding:10px 14px;border-bottom:1px solid var(--border);white-space:nowrap}th{color:var(--text-soft);font-weight:600}tbody tr:hover,th{background:#fafbfc}.cell-wrap,td.wrap{white-space:normal;max-width:360px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:16px;gap:16px}.i18n-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:12px;gap:12px;margin-top:6px}@media (max-width:900px){.i18n-grid{grid-template-columns:repeat(2,1fr)}}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:13px;color:var(--text-soft);font-weight:600}.field .hint{font-size:12px;color:var(--text-soft)}input[type=email],input[type=number],input[type=password],input[type=text],select,textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:14px;font-family:inherit;background:#fff;color:var(--text)}textarea{min-height:90px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(200,22,29,.12)}.checkbox{display:flex;gap:8px}.btn,.checkbox{align-items:center}.btn{display:inline-flex;gap:6px;padding:8px 14px;border-radius:6px;border:1px solid var(--border);background:#fff;color:var(--text);font-size:13px;font-weight:600;cursor:pointer}.btn:hover{background:#f3f4f6}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark)}.btn-danger{background:#fff;border-color:var(--err);color:var(--err)}.btn-danger:hover{background:#fef2f2}.btn-sm{padding:5px 10px;font-size:12px}.btn-row{display:flex;gap:8px;flex-wrap:wrap}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.6}.badge-green{background:#dcfce7;color:#166534}.badge-amber{background:#fef3c7;color:#92400e}.badge-red{background:#fee2e2;color:#991b1b}.badge-blue{background:#dbeafe;color:#1e40af}.badge-gray{background:#eef0f3;color:#475467}.muted{color:var(--text-soft)}.error-box{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;border-radius:6px}.error-box,.notice-box{padding:10px 14px;margin-bottom:14px;font-size:13px}.notice-box{background:#fffbeb;border:1px solid #fde68a;color:#92400e;border-radius:6px}.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}.login-card{width:100%;max-width:380px;background:#fff;border-radius:10px;box-shadow:0 10px 40px rgba(0,0,0,.25);padding:32px}.login-card h1{margin:0 0 4px;font-size:20px}.login-card .brand-line{color:var(--brand);font-weight:700;margin-bottom:20px}.login-card .field{margin-bottom:14px}.section-title{font-size:14px;font-weight:700;margin:8px 0}.sub-card{border:1px dashed var(--border);border-radius:8px;padding:14px;margin-bottom:12px;background:#fcfcfd}@media (max-width:860px){.admin-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;flex-direction:row;align-items:center;overflow-x:auto}.sidebar .brand{white-space:nowrap}.sidebar nav{display:flex;padding:8px}.sidebar nav a{white-space:nowrap;margin:0}.form-grid,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}