:root {
  --navy: #071827;
  --navy-soft: #0b2234;
  --cyan: #2fb7d1;
  --blue: #168dc1;
  --green: #0e8060;
  --surface: #f4f8fa;
  --line: #dbe5ea;
  --ink: #142433;
  --muted: #61717f;
  --white: #fff;
  --danger: #a63232;
  --shadow: 0 18px 55px rgba(7,24,39,.12);
}
.portal-shell { min-height: 70vh; padding: 72px 0; background: var(--surface); }
.portal-wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.portal-card { width: min(620px, 100%); margin: 0 auto; padding: 38px; border: 1px solid var(--line); border-radius: 24px; background: var(--white); box-shadow: var(--shadow); }
.portal-card.wide { width: min(980px, 100%); }
.portal-card h1, .portal-card h2, .admin-main h1, .admin-main h2 { margin-top: 0; font-family: 'Montserrat', sans-serif; }
.portal-copy { color: var(--muted); }
.portal-form { display: grid; gap: 18px; margin-top: 26px; }
.portal-field { display: grid; gap: 7px; }
.portal-field label { font-weight: 800; color: var(--navy-soft); }
.portal-field input, .portal-field textarea, .portal-field select { width: 100%; min-height: 48px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); }
.portal-field textarea { min-height: 130px; resize: vertical; }
.portal-field input:focus, .portal-field textarea:focus, .portal-field select:focus { outline: 3px solid rgba(47,183,209,.18); border-color: var(--cyan); }
.portal-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 8px; }
.portal-alert { margin: 0 0 20px; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--line); }
.portal-alert.success { background: #e8f7f0; color: #135d48; border-color: #b8dfce; }
.portal-alert.error { background: #fff0f0; color: #7c2424; border-color: #efc0c0; }
.portal-alert.info { background: #eaf7fc; color: #124e67; border-color: #b8dfed; }
.portal-meta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; color: var(--muted); font-size: .9rem; }
.resource-private-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; margin-top: 30px; }
.private-resource { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); }
.private-resource h2 { margin: 12px 0 8px; font-size: 1.25rem; }
.private-resource p { color: var(--muted); }
.private-resource-content { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); white-space: pre-wrap; }

.admin-body { margin: 0; background: var(--surface); color: var(--ink); font-family: 'Manrope', sans-serif; }
.admin-layout { min-height: 100vh; display: grid; grid-template-columns: 250px 1fr; }
.admin-sidebar { position: sticky; top: 0; height: 100vh; padding: 26px 20px; background: var(--navy); color: var(--white); }
.admin-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.admin-brand img { width: 48px; height: 48px; border-radius: 50%; }
.admin-brand strong { display: block; font-family: 'Montserrat', sans-serif; font-size: .9rem; }
.admin-brand span { color: rgba(255,255,255,.6); font-size: .72rem; }
.admin-nav { display: grid; gap: 7px; }
.admin-nav a { padding: 11px 13px; border-radius: 10px; color: rgba(255,255,255,.75); font-weight: 700; }
.admin-nav a:hover, .admin-nav a.active { background: rgba(47,183,209,.15); color: var(--white); }
.admin-main { min-width: 0; padding: 34px; }
.admin-top { display: flex; justify-content: space-between; gap: 20px; align-items: center; margin-bottom: 28px; }
.admin-user { color: var(--muted); font-size: .9rem; }
.admin-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.admin-stat { padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); box-shadow: 0 8px 26px rgba(7,24,39,.05); }
.admin-stat strong { display: block; font-family: 'Montserrat', sans-serif; font-size: 2rem; }
.admin-panel { margin-top: 24px; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); box-shadow: 0 8px 26px rgba(7,24,39,.04); }
.admin-table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; min-width: 760px; }
.admin-table th, .admin-table td { padding: 12px 10px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.admin-table th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; }
.admin-table td { font-size: .9rem; }
.admin-badge { display: inline-flex; padding: 5px 9px; border-radius: 999px; background: #eaf7fc; color: #124e67; font-size: .72rem; font-weight: 800; }
.admin-badge.good { background: #e8f7f0; color: #135d48; }
.admin-badge.warn { background: #fff8df; color: #6d571c; }
.admin-badge.bad { background: #fff0f0; color: #7c2424; }
.admin-actions { display: flex; flex-wrap: wrap; gap: 7px; }
.admin-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 38px; padding: 0 13px; border: 1px solid var(--line); border-radius: 999px; background: var(--white); color: var(--navy); font-weight: 800; font-size: .78rem; cursor: pointer; text-decoration: none; }
.admin-btn.primary { background: linear-gradient(135deg, var(--cyan), var(--blue)); border-color: transparent; color: var(--white); }
.admin-btn.danger { color: var(--danger); border-color: #efc0c0; }
.admin-form-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.admin-form-grid .full { grid-column: 1/-1; }
.admin-checks { display: flex; flex-wrap: wrap; gap: 16px; }
.user-checkbox-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 8px; max-height: 320px; overflow: auto; padding: 12px; border: 1px solid var(--line); border-radius: 12px; }
.user-checkbox-grid label { display: flex; gap: 8px; align-items: flex-start; padding: 8px; border-radius: 8px; background: var(--surface); }

@media (max-width: 900px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { position: static; height: auto; }
  .admin-nav { grid-template-columns: repeat(3,1fr); }
  .admin-main { padding: 24px 18px; }
  .admin-grid { grid-template-columns: 1fr; }
  .resource-private-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .portal-wrap { width: min(100% - 24px, 1120px); }
  .portal-card { padding: 25px; }
  .admin-nav { grid-template-columns: 1fr 1fr; }
  .admin-form-grid, .user-checkbox-grid { grid-template-columns: 1fr; }
  .admin-top { align-items: flex-start; flex-direction: column; }
}

/* Digital resource catalogue administration */
.admin-cover-preview { display:flex; flex-wrap:wrap; align-items:center; gap:14px; margin-top:12px; padding:12px; border:1px solid var(--line); border-radius:12px; background:var(--surface); }
.admin-cover-preview img { width:90px; aspect-ratio:4/5; object-fit:cover; border-radius:10px; }
.admin-resource-title { display:flex; gap:12px; align-items:flex-start; min-width:270px; }
.admin-resource-title img { width:58px; height:72px; flex:0 0 auto; object-fit:cover; border-radius:8px; background:var(--surface); }
.admin-resource-title small { display:-webkit-box; overflow:hidden; max-width:360px; color:var(--muted); -webkit-box-orient:vertical; -webkit-line-clamp:2; }
.resource-admin-table { min-width:1020px; }