:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --border: #dde2e7;
  --text: #1f2933;
  --muted: #667085;
  --accent: #2457a6;
  --accent-strong: #173e7a;
  --danger: #b42318;
  --shadow: 0 10px 30px rgba(16, 24, 40, .08);
  --radius: 14px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
a { color: inherit; text-decoration: none; }
.shell { min-height: 100vh; display: flex; }
.sidebar { width: 250px; background: #fff; border-right: 1px solid var(--border); display: flex; flex-direction: column; padding: 22px 16px; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 24px; }
.brand.centered { justify-content: center; }
.brand-mark { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--accent); color: white; font-weight: 800; }
.brand-title { font-weight: 800; letter-spacing: -.02em; }
.brand-subtitle { color: var(--muted); font-size: 12px; margin-top: 2px; }
.nav { display: flex; flex-direction: column; gap: 4px; }
.nav-item { padding: 10px 12px; border-radius: 10px; color: #344054; font-size: 14px; }
.nav-item:hover { background: #f2f4f7; }
.nav-item.active { background: #eef4ff; color: var(--accent-strong); font-weight: 700; }
.sidebar-bottom { margin-top: auto; display: grid; gap: 4px; }
.main { flex: 1; min-width: 0; padding: 28px 34px 42px; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-bottom: 28px; }
.eyebrow { color: var(--muted); font-size: 11px; letter-spacing: .12em; font-weight: 800; }
h1, h2 { margin: 4px 0 0; letter-spacing: -.025em; }
h1 { font-size: 30px; }
h2 { font-size: 20px; }
.user-chip { display: flex; align-items: center; gap: 10px; background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 8px 12px 8px 8px; }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: #e8eef8; color: var(--accent-strong); display: grid; place-items: center; font-weight: 800; }
.user-name { font-weight: 700; font-size: 14px; }
.user-role { color: var(--muted); font-size: 12px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.grid { display: grid; gap: 16px; }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.section-head { display: flex; justify-content: space-between; align-items: end; margin: 28px 0 14px; }
.context-form { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; background: var(--surface); padding: 14px; border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 18px; }
label { display: grid; gap: 6px; font-size: 13px; font-weight: 700; color: #344054; }
input, select { border: 1px solid #cfd5dc; background: #fff; border-radius: 9px; padding: 10px 12px; min-width: 190px; font: inherit; }
button, .button { border: 0; border-radius: 9px; padding: 10px 14px; background: #eef1f5; color: #344054; font-weight: 700; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
button:hover, .button:hover { filter: brightness(.98); }
.button.primary { background: var(--accent); color: #fff; }
.muted { color: var(--muted); }
.alert { padding: 12px 14px; border-radius: 10px; margin: 12px 0; }
.alert.danger { background: #fef3f2; color: var(--danger); border: 1px solid #fecdca; }
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 14px; border-bottom: 1px solid #eef1f4; text-align: left; font-size: 13px; }
th { background: #f8fafc; color: #475467; font-weight: 800; }
.badge { display: inline-block; padding: 4px 8px; border-radius: 999px; background: #f2f4f7; font-size: 11px; font-weight: 800; }
.module { display: flex; justify-content: space-between; align-items: center; }
.arrow { color: var(--muted); }
.empty { color: var(--muted); text-align: center; padding: 28px; }
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(440px, 100%); background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 30px; box-shadow: var(--shadow); }
.stack { display: grid; gap: 14px; }
.login-card h1 { margin-top: 22px; }
.login-note { margin-top: 18px; color: var(--muted); font-size: 12px; }
.stat-value { font-size: 28px; font-weight: 850; margin-top: 8px; }
.stat-label { color: var(--muted); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
@media (max-width: 1000px) {
  .sidebar { width: 210px; }
  .grid.cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .shell { display: block; }
  .sidebar { width: auto; height: auto; position: static; border-right: 0; border-bottom: 1px solid var(--border); }
  .nav { flex-direction: row; overflow-x: auto; }
  .sidebar-bottom { margin-top: 12px; }
  .main { padding: 20px 16px 32px; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .grid.cols-4, .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; }
}

textarea { border: 1px solid #cfd5dc; background: #fff; border-radius: 9px; padding: 10px 12px; min-width: 220px; font: inherit; resize: vertical; }
.form-actions { display: flex; gap: 10px; align-items: center; justify-content: flex-end; flex-wrap: wrap; }
.entry-table th, .entry-table td { vertical-align: top; }
.entry-table input, .entry-table select, .entry-table textarea { min-width: 120px; width: 100%; }
.entry-table .unit-code, .opening-unit-code { display: inline-flex; min-height: 38px; align-items: center; font-weight: 700; color: #475467; }
.notice { background: #eff8ff; border: 1px solid #b2ddff; color: #175cd3; border-radius: 10px; padding: 12px 14px; margin-bottom: 18px; line-height: 1.45; }
.context-help { align-self: center; }
.hidden { display: none !important; }
.small { font-size: 11px; }
.help-card code { display:block; padding:12px; background:#f8fafc; border:1px solid var(--border); border-radius:8px; overflow:auto; }

/* Administration UI */
.admin-hero { display:flex; justify-content:space-between; gap:24px; align-items:center; margin-bottom:22px; }
.admin-hero h2 { font-size:24px; margin-top:8px; }
.admin-hero p { max-width:850px; margin:10px 0 0; line-height:1.55; }
.admin-quick-actions { display:flex; flex-wrap:wrap; gap:8px; justify-content:flex-end; min-width:300px; }
.admin-eyebrow { color:var(--accent-strong); }
.admin-section-title { margin:24px 0 10px; font-size:14px; font-weight:850; text-transform:uppercase; letter-spacing:.08em; color:#475467; }
.admin-stat-grid { gap:14px; }
.admin-stat { position:relative; overflow:hidden; border-top:4px solid transparent; min-height:132px; transition:transform .12s ease, box-shadow .12s ease; }
.admin-stat:hover { transform:translateY(-1px); box-shadow:0 12px 30px rgba(16,24,40,.11); }
.admin-stat .stat-value { font-size:34px; }
.admin-stat .stat-note { margin-top:7px; color:var(--muted); font-size:12px; font-weight:650; }
.stat-blue { border-top-color:#3b82f6; } .stat-green { border-top-color:#16a34a; } .stat-purple { border-top-color:#8b5cf6; } .stat-orange { border-top-color:#f97316; }
.stat-teal { border-top-color:#0d9488; } .stat-gold { border-top-color:#d97706; } .stat-indigo { border-top-color:#4f46e5; } .stat-red { border-top-color:#dc2626; }
.admin-action-grid { gap:14px; }
.admin-action { display:grid; grid-template-columns:auto 1fr auto; gap:12px; align-items:center; min-height:92px; }
.admin-action strong { display:block; font-size:15px; }
.admin-action small { display:block; color:var(--muted); margin-top:4px; line-height:1.4; }
.admin-action-icon { width:38px; height:38px; border-radius:11px; display:grid; place-items:center; font-weight:850; }
.stat-blue-bg { background:#eff6ff; color:#1d4ed8; } .stat-green-bg { background:#ecfdf3; color:#15803d; } .stat-purple-bg { background:#f5f3ff; color:#6d28d9; } .stat-orange-bg { background:#fff7ed; color:#c2410c; }
.stat-teal-bg { background:#f0fdfa; color:#0f766e; } .stat-gold-bg { background:#fffbeb; color:#b45309; } .stat-indigo-bg { background:#eef2ff; color:#4338ca; } .stat-red-bg { background:#fef2f2; color:#b91c1c; }
.admin-page-intro { margin-bottom:18px; }
.admin-page-intro h2 { margin-top:0; }
@media (max-width: 900px) { .admin-hero { flex-direction:column; align-items:flex-start; } .admin-quick-actions { min-width:0; justify-content:flex-start; } }

.field-help { display:block; color:#667085; font-size:11px; font-weight:500; line-height:1.35; margin-top:-2px; }
.alert.success { background:#ecfdf3; color:#027a48; border:1px solid #abefc6; }
.choice-group { border:1px solid var(--border); border-radius:10px; padding:12px; display:grid; gap:7px; min-width:0; }
.choice-group legend { padding:0 5px; font-size:13px; font-weight:800; color:#344054; }
.choice { display:flex; gap:8px; align-items:center; font-weight:600; font-size:13px; }
.choice input { min-width:auto; }
.inline-form { display:inline; }
.actions { display:flex; gap:8px; flex-wrap:wrap; }
.context-title { font-weight:800; font-size:18px; }
.line-editor { display:grid; gap:8px; overflow-x:auto; }
.line-row { display:grid; grid-template-columns: 1.8fr 1.5fr .8fr 1fr 1fr 1fr auto; gap:8px; align-items:center; min-width:980px; }
.line-row.header { font-size:11px; font-weight:800; color:#667085; text-transform:uppercase; letter-spacing:.05em; }
.line-row input, .line-row select { min-width:0; width:100%; }
@media (max-width: 900px) { .line-row { min-width:820px; } }

.card-subtle{padding:16px;border:1px solid #dfe5ec;border-radius:12px;margin-bottom:12px;background:#fbfcfd}.asset-editor{margin-top:14px;padding:14px;border:1px solid #dfe5ec;border-radius:10px;background:#f8fafc}.asset-editor-head,.asset-entry-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.asset-card{padding:12px;margin:8px 0;border:1px solid #d8dee6;border-radius:10px;background:#fff}.danger-lite{margin-top:10px}.hidden{display:none!important}