:root{--bg:#f4f7fb;--panel:#fff;--text:#152033;--muted:#667085;--border:#dfe6ee;--primary:#1957a6;--primary-dark:#113d76;--success:#18794e;--warning:#9a6700;--danger:#b42318;--nav:#101828}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}.topbar{height:58px;background:var(--nav);color:#fff;padding:0 22px;display:flex;justify-content:space-between;align-items:center}.brand{color:#fff;font-weight:800}.top-actions{display:flex;gap:18px;align-items:center}.top-actions a{color:#fff}.app-shell{display:grid;grid-template-columns:230px minmax(0,1fr);min-height:calc(100vh - 58px)}.sidebar{background:#fff;border-right:1px solid var(--border);padding:20px 12px}.sidebar a{display:block;padding:11px 13px;border-radius:9px;color:var(--text);margin-bottom:4px;font-weight:650}.sidebar a:hover,.sidebar a.active{background:#eaf2ff;color:var(--primary-dark)}.content{padding:28px;max-width:1450px;width:100%;margin:0 auto}.page-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:18px}.page-head h1{margin:0 0 6px}.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.metrics-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px;box-shadow:0 4px 18px rgba(16,24,40,.04)}.card h2,.card h3{margin-top:0}.card-heading,.action-card{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.action-card{margin:18px 0}.metric{font-size:2rem;font-weight:800;margin:8px 0}.muted{color:var(--muted)}.badge{display:inline-block;padding:5px 9px;border-radius:999px;font-size:.8rem;font-weight:750;background:#eef2f6}.badge.success{color:var(--success);background:#ecfdf3}.badge.warning{color:var(--warning);background:#fffaeb}.badge.danger{color:var(--danger);background:#fef3f2}.button,button{background:var(--primary);color:#fff;border:0;border-radius:8px;padding:10px 14px;font-weight:750;cursor:pointer;display:inline-block}.button:hover,button:hover{background:var(--primary-dark)}.button.secondary{background:#eef2f6;color:var(--text)}.button.warning{background:#b54708}.toolbar{display:flex;justify-content:flex-end;margin-bottom:14px}input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:8px;margin-top:6px;font:inherit;background:#fff}textarea{resize:vertical}label{display:block;margin:14px 0 4px;font-weight:700}.form-card{max-width:900px}.form-actions{display:flex;gap:10px;margin-top:18px}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(420px,100%)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--border);vertical-align:top}th{font-size:.9rem}.alert{padding:12px 14px;border-radius:8px;margin-bottom:14px;background:#eef2f6}.alert.success{background:#ecfdf3;color:var(--success)}.alert.warning{background:#fffaeb;color:var(--warning)}.alert.danger{background:#fef3f2;color:var(--danger)}dl{display:grid;grid-template-columns:130px 1fr;gap:8px;margin:0}dt{color:var(--muted)}dd{margin:0;font-weight:650}@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{display:flex;overflow-x:auto;border-right:0;border-bottom:1px solid var(--border);padding:8px}.sidebar a{white-space:nowrap;margin:0 3px}.content{padding:20px}.metrics-grid,.two-col{grid-template-columns:1fr 1fr}}@media(max-width:620px){.top-actions span{display:none}.metrics-grid,.two-col{grid-template-columns:1fr}.page-head,.action-card{display:block}.page-head .button,.action-card .button{margin-top:10px}.content{padding:15px}table{display:block;overflow-x:auto}}