:root{--bg:#f6f7fb;--card:#fff;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;--primary:#2563eb;--green:#16a34a;--red:#dc2626;--orange:#f59e0b;--purple:#7c3aed;--shadow:0 8px 24px rgba(15,23,42,.06)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:14px}a{color:inherit;text-decoration:none}.front-page{max-width:920px;margin:0 auto;padding:22px 14px 60px}.hero{background:linear-gradient(135deg,#1d4ed8,#7c3aed);color:#fff;border-radius:24px;padding:26px 20px;box-shadow:var(--shadow)}.hero h1{margin:0 0 8px;font-size:26px}.hero p{margin:0;opacity:.92}.query-card,.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:18px;margin-top:16px}.form-grid{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:end}.form-row{display:flex;gap:10px;flex-wrap:wrap}.field label{display:block;color:var(--muted);font-size:12px;margin:0 0 6px}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:11px 12px;background:#fff;font-size:14px}.btn{border:0;border-radius:12px;padding:11px 16px;background:var(--primary);color:#fff;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px}.btn.secondary{background:#111827}.btn.light{background:#eef2ff;color:#1d4ed8}.btn.danger{background:var(--red)}.btn.green{background:var(--green)}.btn.small{padding:7px 10px;border-radius:10px;font-size:12px}.muted{color:var(--muted)}.grid{display:grid;gap:14px}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.kpi{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow)}.kpi .label{font-size:12px;color:var(--muted)}.kpi .num{font-size:24px;font-weight:800;margin-top:6px}.kpi.blue{border-color:#bfdbfe}.kpi.green{border-color:#bbf7d0}.kpi.orange{border-color:#fed7aa}.kpi.red{border-color:#fecaca}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px;background:#fff}table{width:100%;border-collapse:collapse;min-width:760px}th,td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}th{background:#f9fafb;color:#374151;font-size:12px}tr:last-child td{border-bottom:0}.badge{display:inline-flex;padding:4px 8px;border-radius:999px;font-size:12px;font-weight:700}.badge.ok{background:#dcfce7;color:#166534}.badge.warn{background:#fef3c7;color:#92400e}.badge.bad{background:#fee2e2;color:#991b1b}.badge.muted{background:#f3f4f6;color:#4b5563}.summary-line{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}.pill{background:#f3f4f6;border-radius:999px;padding:7px 10px;color:#374151}.admin-shell{display:flex;min-height:100vh}.sidebar{width:230px;background:#0f172a;color:#fff;padding:18px 14px;position:sticky;top:0;height:100vh}.brand{font-size:19px;font-weight:900;margin-bottom:14px}.front-link{display:block;background:#1d4ed8;border-radius:12px;padding:10px;margin:10px 0 16px;text-align:center;font-weight:800}.sidebar nav a{display:block;color:#cbd5e1;padding:12px;border-radius:12px;margin-bottom:4px}.sidebar nav a.on,.sidebar nav a:hover{background:#1e293b;color:#fff}.main{flex:1;padding:22px;min-width:0}.page-title{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:16px}.page-title h1{margin:0;font-size:24px}.flash{padding:12px 14px;border-radius:14px;margin-bottom:14px}.flash.success{background:#dcfce7;color:#166534}.flash.error{background:#fee2e2;color:#991b1b}.notice{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af;border-radius:14px;padding:12px 14px;margin:12px 0}.danger-zone{border-color:#fecaca;background:#fff7f7}.login-box{max-width:380px;margin:10vh auto;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:24px}.login-box h1{margin:0 0 18px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}.tabs a{background:#fff;border:1px solid var(--line);padding:9px 12px;border-radius:12px}.tabs a.on{background:#111827;color:#fff}.chart{height:220px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(#fff,#f9fafb);padding:12px;overflow:hidden}.chart svg{width:100%;height:100%}.mobile-card-list{display:none}.book-title{max-width:360px;overflow:hidden;text-overflow:ellipsis}.stat-date{font-weight:800}.hint{font-size:12px;color:var(--muted);line-height:1.7}.checkboxes label{display:inline-flex;gap:6px;align-items:center;margin-right:12px}.footer-note{text-align:center;color:#9ca3af;margin-top:30px;font-size:12px}@media(max-width:860px){.admin-shell{display:block}.sidebar{position:relative;width:auto;height:auto}.sidebar nav{display:flex;overflow:auto;gap:6px}.sidebar nav a{white-space:nowrap}.main{padding:14px}.form-grid{grid-template-columns:1fr}.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}.page-title{display:block}.hero h1{font-size:22px}table{min-width:700px}.mobile-card-list{display:block}.hide-mobile{display:none}} 
.row-actions{display:flex;gap:6px;flex-wrap:wrap;min-width:260px}.inline-form{display:inline-flex;gap:4px;align-items:center;margin:0}.mini-money{font-size:12px;color:var(--muted);margin-top:4px}.btn.secondary{background:#111827;color:#fff}