/* =====================================================
   StudyHub — Modern Minimalist Design System
   Mobile-first, dark/light, soft shadows, compact cards
   ===================================================== */

:root {
  --bg: #f7f8fc;
  --bg-elev: #ffffff;
  --bg-soft: #f1f3f9;
  --ink: #0f172a;
  --ink-2: #334155;
  --ink-3: #64748b;
  --muted: #94a3b8;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;

  --brand: #6366f1;
  --brand-2: #8b5cf6;
  --brand-soft: #eef2ff;
  --accent: #10b981;
  --danger: #ef4444;
  --warn: #f59e0b;

  --radius-xs: 8px;
  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-xs: 0 1px 2px rgba(15,23,42,.04);
  --shadow-sm: 0 2px 6px rgba(15,23,42,.06);
  --shadow: 0 6px 24px rgba(15,23,42,.08);
  --shadow-lg: 0 18px 48px rgba(15,23,42,.12);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

[data-theme="dark"] {
  --bg: #0b1020;
  --bg-elev: #131a2e;
  --bg-soft: #1a2238;
  --ink: #f8fafc;
  --ink-2: #cbd5e1;
  --ink-3: #94a3b8;
  --muted: #64748b;
  --border: #1f2940;
  --border-strong: #2a3654;
  --brand-soft: #1e1b4b;
  --shadow-xs: 0 1px 2px rgba(0,0,0,.3);
  --shadow-sm: 0 2px 6px rgba(0,0,0,.35);
  --shadow: 0 6px 24px rgba(0,0,0,.45);
  --shadow-lg: 0 18px 48px rgba(0,0,0,.55);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-tap-highlight-color: transparent; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  font-size: 15px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background .3s, color .3s;
}

.container { max-width: 1240px; margin: 0 auto; padding: 0 20px; }

a { color: inherit; text-decoration: none; transition: color .15s; }
a:hover { color: var(--brand); }

img { max-width: 100%; height: auto; display: block; }

/* ============ TOP NAV ============ */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
[data-theme="dark"] .topbar { background: rgba(11,16,32,.85); }
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0; gap: 12px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 11px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff; display: grid; place-items: center;
  font-weight: 800; font-size: 17px;
  box-shadow: var(--shadow-sm);
}
.brand strong { display: block; font-size: 16px; font-weight: 800; letter-spacing: -.01em; }
.brand small { display: block; color: var(--ink-3); font-size: 11.5px; font-weight: 500; }

.top-links { display: flex; align-items: center; gap: 6px; }
.top-links a:not(.btn) {
  font-size: 14px; font-weight: 500; color: var(--ink-2);
  padding: 8px 12px; border-radius: 8px;
}
.top-links a:not(.btn):hover { background: var(--bg-soft); color: var(--ink); }
.theme-toggle {
  background: var(--bg-soft); border: 1px solid var(--border);
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center; cursor: pointer;
  color: var(--ink-2); transition: all .2s;
}
.theme-toggle:hover { background: var(--brand-soft); color: var(--brand); border-color: var(--brand); }

/* ============ HERO ============ */
.hero {
  position: relative; overflow: hidden;
  padding: 56px 0 40px;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(900px 400px at 10% -10%, rgba(99,102,241,.18), transparent 60%),
    radial-gradient(700px 400px at 100% 0%, rgba(139,92,246,.16), transparent 60%),
    radial-gradient(600px 350px at 50% 110%, rgba(16,185,129,.10), transparent 60%);
}
.hero-inner {
  display: grid; grid-template-columns: 1.3fr .9fr; gap: 40px; align-items: center;
}
.hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800; letter-spacing: -.025em;
  line-height: 1.1; margin-bottom: 14px;
}
.hero h1 .grad {
  background: linear-gradient(135deg, var(--brand), var(--brand-2) 60%, var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lede { color: var(--ink-2); font-size: 16px; max-width: 560px; margin-bottom: 22px; }
.hero-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.hero-pill {
  background: var(--bg-elev); border: 1px solid var(--border);
  padding: 7px 14px; border-radius: 999px; font-size: 13px; font-weight: 600;
  color: var(--ink-2); box-shadow: var(--shadow-xs);
}
.hero-cta { display: flex; gap: 10px; flex-wrap: wrap; }

.hero-stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
}
.stat-card {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 16px;
  box-shadow: var(--shadow-sm);
  position: relative; overflow: hidden;
}
.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
}
.stat-card .stat-num {
  font-size: 28px; font-weight: 800; letter-spacing: -.02em; color: var(--ink);
}
.stat-card .stat-lbl { color: var(--ink-3); font-size: 12.5px; font-weight: 600; }
.stat-card .stat-icon {
  position: absolute; right: 12px; bottom: 10px; font-size: 22px; opacity: .35;
}

/* ============ SECTION HEADINGS ============ */
.section { padding: 48px 0 24px; }
.section-head {
  display: flex; align-items: end; justify-content: space-between;
  gap: 16px; margin-bottom: 22px; flex-wrap: wrap;
}
.section-head h2 {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800; letter-spacing: -.02em;
}
.section-head .sub { color: var(--ink-3); font-size: 14px; margin-top: 2px; }
.kicker {
  display: inline-block; font-size: 11.5px; font-weight: 700;
  color: var(--brand); letter-spacing: .08em; text-transform: uppercase;
  margin-bottom: 4px;
}

/* ============ TOOLBAR (SEARCH + FILTERS) ============ */
.toolbar {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 14px;
  box-shadow: var(--shadow-sm); margin-bottom: 22px;
  display: grid; grid-template-columns: 1.4fr repeat(4, 1fr) auto; gap: 10px;
  align-items: center;
}
.search-wrap { position: relative; }
.search-wrap svg {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--ink-3); pointer-events: none;
}
.toolbar input[type="text"],
.toolbar select {
  width: 100%; padding: 11px 14px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--bg-soft);
  color: var(--ink); font-size: 14px; font-family: var(--font);
  transition: all .15s; outline: none;
}
.toolbar input[type="text"] { padding-left: 40px; }
.toolbar input[type="text"]:focus, .toolbar select:focus {
  border-color: var(--brand); background: var(--bg-elev);
  box-shadow: 0 0 0 4px rgba(99,102,241,.12);
}
.toolbar select { cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px;
}

/* ============ CATEGORY TABS ============ */
.cat-tabs {
  display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px;
  margin-bottom: 24px; scrollbar-width: thin;
}
.cat-tabs::-webkit-scrollbar { height: 4px; }
.cat-tabs::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
.cat-tab {
  flex-shrink: 0; padding: 9px 16px; border-radius: 999px;
  background: var(--bg-elev); border: 1px solid var(--border);
  font-size: 13.5px; font-weight: 600; color: var(--ink-2); cursor: pointer;
  white-space: nowrap; transition: all .15s;
  display: inline-flex; align-items: center; gap: 6px;
}
.cat-tab:hover { border-color: var(--brand); color: var(--brand); }
.cat-tab.active {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff; border-color: transparent; box-shadow: var(--shadow-sm);
}

/* ============ RESOURCE GRID ============ */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.resource-card {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  box-shadow: var(--shadow-xs);
}
.resource-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow);
  border-color: var(--border-strong);
}

.card-media {
  position: relative; aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--brand-soft), var(--bg-soft));
  display: grid; place-items: center; overflow: hidden;
}
.card-media img { width: 56%; max-height: 70%; object-fit: contain; opacity: .9; }
.card-media .corner-badge {
  position: absolute; top: 10px; right: 10px;
  background: rgba(255,255,255,.95); color: var(--ink);
  padding: 4px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 700; letter-spacing: .02em;
  backdrop-filter: blur(4px);
}
[data-theme="dark"] .card-media .corner-badge { background: rgba(19,26,46,.95); color: var(--ink); }

.card-body { padding: 14px 16px 16px; display: flex; flex-direction: column; flex: 1; gap: 9px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 5px; }
.chip {
  font-size: 10.5px; font-weight: 700; letter-spacing: .03em;
  padding: 3px 9px; border-radius: 6px;
  background: var(--bg-soft); color: var(--ink-2);
  border: 1px solid var(--border);
  text-transform: uppercase;
}
.chip.cls { background: #eef2ff; color: #4f46e5; border-color: transparent; }
.chip.brd { background: #ecfeff; color: #0891b2; border-color: transparent; }
.chip.typ { background: #fef3c7; color: #b45309; border-color: transparent; }
[data-theme="dark"] .chip.cls { background: rgba(99,102,241,.15); color: #a5b4fc; }
[data-theme="dark"] .chip.brd { background: rgba(8,145,178,.18); color: #67e8f9; }
[data-theme="dark"] .chip.typ { background: rgba(180,83,9,.18); color: #fcd34d; }

.card-body h3 {
  font-size: 15px; font-weight: 700; line-height: 1.35;
  color: var(--ink); letter-spacing: -.005em;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-body p {
  color: var(--ink-3); font-size: 13px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-meta {
  display: flex; justify-content: space-between; align-items: center;
  color: var(--ink-3); font-size: 11.5px; margin-top: 4px;
}
.card-meta .dl-count { display: inline-flex; align-items: center; gap: 4px; font-weight: 600; }
.card-actions { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 16px; border-radius: var(--radius-sm);
  font-size: 13.5px; font-weight: 600; font-family: var(--font);
  cursor: pointer; border: none; transition: all .15s; white-space: nowrap;
}
.btn-sm { padding: 7px 12px; font-size: 12.5px; border-radius: 8px; }
.btn-lg { padding: 13px 22px; font-size: 14.5px; }
.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff; box-shadow: 0 4px 14px rgba(99,102,241,.35);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(99,102,241,.45); color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--border-strong); color: var(--ink-2); }
.btn-outline:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-soft); }
.btn-ghost { background: var(--bg-soft); color: var(--ink-2); }
.btn-ghost:hover { background: var(--brand-soft); color: var(--brand); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; color: #fff; }
.btn-full { width: 100%; }

/* ============ LINK CATEGORY (REDDIT + WEB) ============ */
.link-categories {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 18px;
}
.link-cat-card {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 22px;
  box-shadow: var(--shadow-xs);
  position: relative; overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.link-cat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.link-cat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--cat-color, var(--brand));
}
.link-cat-head {
  display: flex; align-items: center; gap: 12px; margin-bottom: 6px;
}
.link-cat-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center; font-size: 22px;
  background: var(--cat-soft, var(--brand-soft));
}
.link-cat-head h3 { font-size: 16px; font-weight: 800; letter-spacing: -.01em; }
.link-cat-desc { color: var(--ink-3); font-size: 13px; margin-bottom: 14px; line-height: 1.5; }
.link-list { display: flex; flex-direction: column; gap: 6px; }
.link-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px;
  background: var(--bg-soft); border: 1px solid transparent;
  transition: all .15s; cursor: pointer;
}
.link-item:hover {
  background: var(--bg-elev); border-color: var(--cat-color, var(--brand));
  transform: translateX(2px);
}
.link-item-body { flex: 1; min-width: 0; }
.link-item-title {
  font-size: 13px; font-weight: 600; color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.link-item-src {
  font-size: 11px; color: var(--ink-3); margin-top: 1px;
}
.link-item-tag {
  flex-shrink: 0; font-size: 10px; font-weight: 700; letter-spacing: .03em;
  padding: 3px 8px; border-radius: 5px;
  background: var(--cat-soft, var(--brand-soft));
  color: var(--cat-color, var(--brand));
  text-transform: uppercase;
}
.link-item-arrow { color: var(--ink-3); flex-shrink: 0; }
.link-item:hover .link-item-arrow { color: var(--cat-color, var(--brand)); transform: translateX(2px); }

/* ============ EMPTY / FOOTER ============ */
.empty {
  text-align: center; padding: 50px 20px;
  background: var(--bg-elev); border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
}
.empty h3 { font-size: 18px; margin-bottom: 6px; }
.empty p { color: var(--ink-3); font-size: 14px; }

.footer-bar {
  margin-top: 60px; padding: 28px 0;
  border-top: 1px solid var(--border); background: var(--bg-elev);
  color: var(--ink-3); font-size: 13px;
}
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: center; }
.footer-inner a { color: var(--ink-2); font-weight: 500; }
.footer-inner a:hover { color: var(--brand); }

/* ============ ADMIN ============ */
.admin-body { background: var(--bg); min-height: 100vh; }
.admin-shell { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.admin-sidebar {
  background: var(--bg-elev); border-right: 1px solid var(--border);
  padding: 22px 16px; display: flex; flex-direction: column; gap: 14px;
}
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 0 6px 14px; border-bottom: 1px solid var(--border); }
.sidebar-brand strong { font-size: 15px; font-weight: 800; }
.sidebar-brand small { color: var(--ink-3); font-size: 11px; display: block; }
.sidebar-nav { display: flex; flex-direction: column; gap: 4px; }
.sidebar-nav a {
  padding: 9px 12px; border-radius: 9px; font-size: 13.5px; font-weight: 600;
  color: var(--ink-2); transition: all .15s;
  display: flex; align-items: center; gap: 8px;
}
.sidebar-nav a:hover { background: var(--bg-soft); color: var(--ink); }
.sidebar-nav a.active { background: var(--brand-soft); color: var(--brand); }
.sidebar-tip {
  background: var(--brand-soft); border-radius: 12px; padding: 14px;
  font-size: 12px; line-height: 1.55; color: var(--ink-2); margin-top: auto;
}
.sidebar-tip h4 { font-size: 12.5px; margin-bottom: 4px; color: var(--brand); }
.admin-main { padding: 26px 30px; }
.admin-header {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 22px 24px; margin-bottom: 22px;
  display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap;
  box-shadow: var(--shadow-xs);
}
.admin-header h1 { font-size: 22px; font-weight: 800; letter-spacing: -.02em; }
.dashboard-stats { display: flex; gap: 10px; }
.dashboard-card {
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 12px; padding: 10px 16px; text-align: center;
}
.dashboard-card strong { display: block; font-size: 20px; font-weight: 800; color: var(--ink); }
.dashboard-card span { font-size: 11px; color: var(--ink-3); font-weight: 600; }

.admin-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 22px; align-items: start; }
.panel {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 22px;
  box-shadow: var(--shadow-xs);
}
.panel h2 { font-size: 16px; font-weight: 800; margin-bottom: 14px; letter-spacing: -.01em; }

.form-grid { display: flex; flex-direction: column; gap: 14px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field label {
  display: block; font-size: 12px; font-weight: 600; color: var(--ink-2);
  margin-bottom: 5px; letter-spacing: .01em;
}
.field input, .field textarea, .field select {
  width: 100%; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg-soft);
  color: var(--ink); font-size: 13.5px; font-family: var(--font);
  outline: none; transition: all .15s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--brand); background: var(--bg-elev);
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}
.field textarea { min-height: 80px; resize: vertical; }
.form-actions { display: flex; gap: 8px; }

.admin-resource-list { display: flex; flex-direction: column; gap: 10px; max-height: 78vh; overflow-y: auto; padding-right: 4px; }
.admin-resource-card {
  display: grid; grid-template-columns: 70px 1fr; gap: 12px;
  padding: 12px; background: var(--bg-soft); border-radius: 12px;
  border: 1px solid transparent; transition: all .15s;
}
.admin-resource-card:hover { border-color: var(--border); background: var(--bg-elev); }
.admin-resource-card img { width: 70px; height: 70px; object-fit: contain; border-radius: 8px; background: var(--bg-elev); padding: 6px; }
.admin-resource-card h3 { font-size: 13.5px; font-weight: 700; margin: 4px 0; line-height: 1.3; }
.admin-resource-card p { font-size: 12px; color: var(--ink-3); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.admin-card-actions { display: flex; gap: 5px; margin-top: 6px; }

/* alerts */
.alert { padding: 11px 14px; border-radius: 10px; font-size: 13px; font-weight: 500; margin-bottom: 14px; }
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

/* modal */
.modal { display: none; position: fixed; inset: 0; background: rgba(15,23,42,.5);
  z-index: 100; backdrop-filter: blur(4px); align-items: center; justify-content: center; padding: 20px; }
.modal.show { display: flex; }
.modal-card {
  background: var(--bg-elev); border-radius: var(--radius-lg);
  padding: 24px; max-width: 400px; width: 100%;
  box-shadow: var(--shadow-lg);
}
.modal-card h3 { font-size: 17px; font-weight: 800; margin-bottom: 8px; }
.modal-card p { color: var(--ink-3); font-size: 13.5px; margin-bottom: 18px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* login */
.login-page { display: grid; place-items: center; padding: 30px 20px; min-height: 100vh;
  background: radial-gradient(800px 400px at 50% 0%, rgba(99,102,241,.15), transparent 60%), var(--bg); }
.login-card {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 32px; max-width: 400px; width: 100%;
  box-shadow: var(--shadow-lg);
}
.login-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.login-brand h1 { font-size: 20px; font-weight: 800; letter-spacing: -.01em; }
.login-brand p { font-size: 12.5px; color: var(--ink-3); }
.login-note { margin-top: 16px; text-align: center; font-size: 12px; color: var(--ink-3); }
.login-note strong { color: var(--ink-2); }

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 28px; }
  .hero { padding: 40px 0 28px; }
  .toolbar { grid-template-columns: 1fr 1fr; }
  .toolbar .search-wrap { grid-column: 1 / -1; }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-sidebar { border-right: none; border-bottom: 1px solid var(--border); padding: 16px; }
  .sidebar-nav { flex-direction: row; flex-wrap: wrap; }
  .sidebar-tip { display: none; }
  .admin-grid { grid-template-columns: 1fr; }
  .admin-main { padding: 18px 16px; }
}
@media (max-width: 640px) {
  .container { padding: 0 14px; }
  body { font-size: 14.5px; }
  .top-links a:not(.btn) { display: none; }
  .top-links .theme-toggle, .top-links .btn { display: inline-flex; }
  .hero { padding: 30px 0 20px; }
  .hero h1 { font-size: 28px; }
  .hero p.lede { font-size: 14.5px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .stat-card { padding: 14px; }
  .stat-card .stat-num { font-size: 22px; }
  .section { padding: 32px 0 16px; }
  .toolbar { grid-template-columns: 1fr; padding: 12px; }
  .resource-grid { grid-template-columns: 1fr; gap: 12px; }
  .link-categories { grid-template-columns: 1fr; gap: 14px; }
  .link-cat-card { padding: 18px; }
  .card-actions { flex-direction: column; }
  .card-actions .btn { width: 100%; }
  .grid-2 { grid-template-columns: 1fr; }
  .admin-header { padding: 16px; }
  .dashboard-stats { width: 100%; justify-content: stretch; }
  .dashboard-card { flex: 1; }
  .admin-resource-card { grid-template-columns: 56px 1fr; }
  .admin-resource-card img { width: 56px; height: 56px; }
  .form-actions { flex-direction: column; }
  .form-actions .btn { width: 100%; }
}
@media (max-width: 380px) {
  .brand small { display: none; }
  .hero h1 { font-size: 24px; }
}

/* tiny utilities */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }

/* =====================================================
   v4 UI UPGRADE LAYER — improved cards, links, nav
   Appended on top of the original v3 stylesheet.
   ===================================================== */

/* ---- Global enrichments ---- */
:root {
  --grad-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  --grad-2: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  --grad-3: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --ring: 0 0 0 3px rgba(99,102,241,.18);
}
[data-theme="dark"] {
  --ring: 0 0 0 3px rgba(139,92,246,.25);
}

/* Smoother focus rings everywhere */
:where(button, a, input, select, textarea):focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: 10px;
}

/* ---- Brand mark glow ---- */
.brand-mark {
  background: var(--grad-1);
  color: #fff;
  width: 36px; height: 36px;
  border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 17px;
  box-shadow: 0 6px 20px rgba(99,102,241,.35);
  letter-spacing: -.5px;
}

/* ---- Hero v4: subtle animated gradient blob ---- */
.hero { position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  top: -120px; right: -120px;
  width: 420px; height: 420px;
  background: var(--grad-1);
  filter: blur(120px);
  opacity: .22;
  border-radius: 50%;
  z-index: 0;
  animation: blob 18s ease-in-out infinite alternate;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -160px; left: -80px;
  width: 360px; height: 360px;
  background: var(--grad-2);
  filter: blur(120px);
  opacity: .18;
  border-radius: 50%;
  z-index: 0;
  animation: blob 22s ease-in-out infinite alternate-reverse;
}
@keyframes blob {
  0%   { transform: translate(0,0) scale(1); }
  100% { transform: translate(40px,30px) scale(1.15); }
}
.hero-inner { position: relative; z-index: 1; }
.hero h1 .grad {
  background: var(--grad-1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---- Class-wise quick chips (under hero) ---- */
.quicknav {
  margin: 14px 0 8px;
  display: flex; flex-wrap: wrap; gap: 8px;
}
.quicknav a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  font-size: 12.5px; font-weight: 600; color: var(--ink-2);
  box-shadow: var(--shadow-xs);
  transition: transform .15s ease, box-shadow .15s ease, background .15s, color .15s, border-color .15s;
}
.quicknav a:hover {
  transform: translateY(-2px);
  background: var(--brand-soft);
  border-color: var(--brand);
  color: var(--brand);
  box-shadow: var(--shadow-sm);
}
.quicknav .icon { font-size: 14px; }

/* ---- Global link search ---- */
.global-search {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  margin: 6px 0 22px;
  transition: box-shadow .2s, border-color .2s;
}
.global-search:focus-within {
  border-color: var(--brand);
  box-shadow: var(--shadow), 0 0 0 4px rgba(99,102,241,.12);
}
.global-search svg { color: var(--ink-3); flex: 0 0 auto; }
.global-search input {
  border: 0; outline: none; background: transparent;
  color: var(--ink); font-size: 15px; flex: 1;
}
.global-search input::placeholder { color: var(--ink-3); }
.global-search .count {
  font-size: 12px; color: var(--ink-3); font-weight: 600;
  background: var(--bg-soft); padding: 4px 10px; border-radius: 999px;
  white-space: nowrap;
}

/* ---- Section heads upgraded ---- */
.section { padding: 56px 0; }
.section-head { margin-bottom: 22px; }
.section-head h2 {
  font-size: 28px; font-weight: 800; letter-spacing: -.6px;
  display: flex; align-items: center; gap: 10px;
}
.section-head .sub { color: var(--ink-3); margin-top: 6px; font-size: 14.5px; max-width: 720px; }
.kicker {
  display: inline-block;
  padding: 4px 10px;
  font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: 999px;
  margin-bottom: 8px;
}

/* ---- Stat card upgrade ---- */
.stat-card {
  position: relative;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px 18px 14px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
}
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.stat-card .stat-num {
  font-size: 30px; font-weight: 800; letter-spacing: -1px;
  background: var(--grad-1);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-card .stat-lbl { font-size: 12.5px; color: var(--ink-3); font-weight: 600; }
.stat-card .stat-icon {
  position: absolute; top: 10px; right: 12px;
  font-size: 22px; opacity: .55;
}

/* ---- Resource library cards: prettier ---- */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}
.resource-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-xs);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.resource-card:hover {
  transform: translateY(-4px);
  border-color: var(--brand);
  box-shadow: var(--shadow);
}
.resource-card .card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--brand-soft), transparent 60%), var(--bg-soft);
  display: flex; align-items: center; justify-content: center;
}
.resource-card .card-media img {
  width: 64px; height: 64px; object-fit: contain;
  filter: drop-shadow(0 6px 14px rgba(99,102,241,.25));
}
.resource-card .corner-badge {
  position: absolute; top: 10px; right: 10px;
  background: var(--grad-1); color: #fff;
  font-size: 10.5px; font-weight: 700; letter-spacing: .8px;
  padding: 4px 10px; border-radius: 999px;
  box-shadow: 0 4px 12px rgba(99,102,241,.45);
}
.resource-card .card-body { padding: 16px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-size: 11px; font-weight: 700; letter-spacing: .3px;
  padding: 3px 9px; border-radius: 999px;
  background: var(--bg-soft); color: var(--ink-2);
  border: 1px solid var(--border);
}
.chip.cls { background: rgba(99,102,241,.12); color: #4f46e5; border-color: transparent; }
.chip.brd { background: rgba(16,185,129,.12); color: #0d9488; border-color: transparent; }
.chip.typ { background: rgba(245,158,11,.14); color: #b45309; border-color: transparent; }
[data-theme="dark"] .chip.cls { color: #a5b4fc; }
[data-theme="dark"] .chip.brd { color: #6ee7b7; }
[data-theme="dark"] .chip.typ { color: #fcd34d; }
.resource-card h3 { font-size: 16.5px; font-weight: 700; line-height: 1.35; letter-spacing: -.3px; }
.resource-card p { font-size: 13.5px; color: var(--ink-3); line-height: 1.55; }
.card-meta {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: var(--ink-3); font-weight: 600;
  border-top: 1px dashed var(--border); padding-top: 10px;
}
.dl-count { background: var(--bg-soft); padding: 2px 8px; border-radius: 999px; }
.card-actions {
  display: flex; gap: 8px; margin-top: auto; padding-top: 4px;
}
.card-actions .btn { flex: 1; justify-content: center; }

/* ---- Buttons (richer) ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px;
  font-weight: 600; font-size: 13.5px;
  padding: 9px 14px; border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .12s, box-shadow .15s, background .15s, color .15s;
  white-space: nowrap;
}
.btn-sm { font-size: 12.5px; padding: 7px 11px; border-radius: 9px; }
.btn-lg { font-size: 15px; padding: 12px 22px; border-radius: 12px; }
.btn-primary {
  background: var(--grad-1);
  color: #fff;
  box-shadow: 0 6px 18px rgba(99,102,241,.35);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(99,102,241,.45); }
.btn-outline {
  background: var(--bg-elev);
  border-color: var(--border-strong);
  color: var(--ink);
}
.btn-outline:hover { background: var(--brand-soft); color: var(--brand); border-color: var(--brand); }
.btn-ghost {
  background: transparent;
  color: var(--ink-2);
}
.btn-ghost:hover { background: var(--bg-soft); color: var(--ink); }
.btn-full { width: 100%; }

/* ---- Link category tabs ---- */
.cat-tabs {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin: 12px 0 22px;
  padding-bottom: 4px;
}
.cat-tab {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--ink-2);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 12.5px; font-weight: 600;
  cursor: pointer;
  transition: all .15s ease;
}
.cat-tab:hover { background: var(--brand-soft); color: var(--brand); border-color: var(--brand); }
.cat-tab.active {
  background: var(--grad-1); color: #fff; border-color: transparent;
  box-shadow: 0 6px 16px rgba(99,102,241,.35);
}

/* ---- Link category cards ---- */
.link-categories {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}
.link-cat-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow-xs);
  display: flex; flex-direction: column;
  transition: transform .2s, box-shadow .2s, border-color .2s;
  position: relative; overflow: hidden;
}
.link-cat-card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--cat-color, var(--brand));
  opacity: .9;
}
.link-cat-card:hover {
  transform: translateY(-3px);
  border-color: var(--cat-color, var(--brand));
  box-shadow: var(--shadow);
}
.link-cat-head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.link-cat-icon {
  width: 44px; height: 44px;
  background: var(--cat-soft, var(--brand-soft));
  color: var(--cat-color, var(--brand));
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  font-size: 22px;
  flex: 0 0 auto;
}
.link-cat-head h3 { font-size: 16.5px; font-weight: 700; letter-spacing: -.3px; }
.link-cat-desc { font-size: 13px; color: var(--ink-3); margin-bottom: 14px; line-height: 1.55; }
.link-list { display: flex; flex-direction: column; gap: 6px; max-height: 360px; overflow-y: auto; padding-right: 4px; }
.link-list::-webkit-scrollbar { width: 6px; }
.link-list::-webkit-scrollbar-track { background: transparent; }
.link-list::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
.link-list::-webkit-scrollbar-thumb:hover { background: var(--cat-color, var(--brand)); }
.link-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  background: var(--bg-soft);
  border-radius: 10px;
  font-size: 13.5px; font-weight: 500;
  color: var(--ink);
  border: 1px solid transparent;
  transition: all .12s ease;
}
.link-item:hover {
  background: var(--cat-soft, var(--brand-soft));
  border-color: var(--cat-color, var(--brand));
  transform: translateX(2px);
}
.link-item-body { flex: 1; min-width: 0; }
.link-item-title {
  font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.link-item-src { font-size: 11px; color: var(--ink-3); margin-top: 2px; font-weight: 500; }
.link-item-tag {
  font-size: 10.5px; font-weight: 700; letter-spacing: .3px;
  padding: 2px 7px; border-radius: 999px;
  background: var(--cat-color, var(--brand));
  color: #fff;
  white-space: nowrap;
  flex: 0 0 auto;
}
.link-item-arrow { color: var(--ink-3); flex: 0 0 auto; transition: transform .15s; }
.link-item:hover .link-item-arrow { color: var(--cat-color, var(--brand)); transform: translateX(2px); }

/* highlight matched search term */
.link-item mark, .resource-card mark {
  background: rgba(245,158,11,.35); color: inherit;
  padding: 0 2px; border-radius: 3px;
}

/* ---- Toolbar (library filters) ---- */
.toolbar {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr) auto;
  gap: 10px;
  background: var(--bg-elev);
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
  margin-bottom: 14px;
}
.toolbar select, .toolbar input {
  height: 40px;
  padding: 0 12px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--ink);
  font-size: 13.5px;
  font-family: var(--font);
  outline: none;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.toolbar select:focus, .toolbar input:focus {
  border-color: var(--brand);
  background: var(--bg-elev);
  box-shadow: 0 0 0 3px rgba(99,102,241,.15);
}
.search-wrap {
  position: relative;
  display: flex; align-items: center;
}
.search-wrap svg {
  position: absolute; left: 12px;
  color: var(--ink-3); pointer-events: none;
}
.search-wrap input { width: 100%; padding-left: 36px; }
@media (max-width: 980px) {
  .toolbar { grid-template-columns: 1fr 1fr; }
  .toolbar .search-wrap { grid-column: 1 / -1; }
}

/* ---- Footer upgrade ---- */
.footer-bar {
  margin-top: 50px;
  padding: 28px 0;
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center; justify-content: space-between;
  color: var(--ink-3); font-size: 13px;
}
.footer-inner a { color: var(--brand); font-weight: 600; }

/* ---- Hero pills compact ---- */
.hero-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  background: rgba(255,255,255,.7);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12.5px; font-weight: 600;
  color: var(--ink-2);
  backdrop-filter: blur(6px);
}
[data-theme="dark"] .hero-pill {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.1);
}
.hero-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

/* ---- Empty state ---- */
.empty {
  text-align: center; padding: 60px 20px;
  background: var(--bg-elev);
  border: 1px dashed var(--border-strong);
  border-radius: 18px;
  color: var(--ink-3);
}
.empty h3 { color: var(--ink-2); margin-bottom: 6px; }

/* ---- Floating quick actions (mobile) ---- */
.fab-row {
  position: fixed; bottom: 18px; right: 18px;
  z-index: 60;
  display: flex; flex-direction: column; gap: 10px;
}
.fab {
  width: 48px; height: 48px;
  background: var(--grad-1);
  color: #fff;
  border: 0;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(99,102,241,.45);
  transition: transform .15s;
  text-decoration: none;
}
.fab:hover { transform: scale(1.08); color: #fff; }
@media (max-width: 480px) {
  .fab { width: 44px; height: 44px; font-size: 18px; }
}

/* ---- Class-wise navigator (sticky chips on link section) ---- */
.classnav {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-xs);
  overflow-x: auto;
}
.classnav .label {
  flex: 0 0 auto;
  font-size: 12px; font-weight: 700; letter-spacing: .6px;
  text-transform: uppercase;
  color: var(--ink-3);
  padding-right: 6px; border-right: 1px solid var(--border);
}
.classnav .chip-btn {
  flex: 0 0 auto;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  font-size: 12.5px; font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
  transition: all .12s;
}
.classnav .chip-btn:hover { color: var(--brand); border-color: var(--brand); background: var(--brand-soft); }
.classnav .chip-btn.active {
  background: var(--grad-1); color: #fff; border-color: transparent;
}

/* ---- Card animation entrance ---- */
@media (prefers-reduced-motion: no-preference) {
  .link-cat-card, .resource-card, .stat-card {
    animation: cardIn .45s cubic-bezier(.22,.8,.36,1) backwards;
  }
  .resource-card:nth-child(2) { animation-delay: .04s; }
  .resource-card:nth-child(3) { animation-delay: .08s; }
  .resource-card:nth-child(4) { animation-delay: .12s; }
  .resource-card:nth-child(5) { animation-delay: .16s; }
  .resource-card:nth-child(6) { animation-delay: .20s; }
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* ==============================
   v6 additions: class cards, lock pills,
   external filter panel, admin link tables
   ============================== */
.shortcut-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.shortcut-card{display:flex;align-items:center;gap:14px;background:var(--bg-elev);border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:var(--shadow-xs);transition:transform .18s,box-shadow .18s,border-color .18s;color:inherit}
.shortcut-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--brand);color:inherit}
.shortcut-icon{width:54px;height:54px;border-radius:16px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;font-size:26px;flex:0 0 auto}
.shortcut-card h3{font-size:16px;margin:0 0 4px;line-height:1.25}
.shortcut-card p{margin:0;color:var(--ink-3);font-size:12.8px;line-height:1.45}
.shortcut-arrow{margin-left:auto;font-size:18px;color:var(--ink-3)}
.external-filter-panel{background:var(--bg-elev);border:1px solid var(--border);border-radius:18px;padding:16px;box-shadow:var(--shadow-xs);margin-bottom:20px}
.filter-panel-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:12px;align-items:end;margin-bottom:12px}
.filter-mini label{display:block;font-size:12px;font-weight:700;color:var(--ink-3);margin:0 0 6px}
.filter-mini select{width:100%;height:46px;padding:0 12px;background:var(--bg-soft);border:1px solid var(--border);border-radius:12px;color:var(--ink);font-size:13.5px;font-family:var(--font)}
.filter-mini select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(99,102,241,.15)}
.lock-chip{background:rgba(239,68,68,.14);color:#b91c1c;border-color:transparent}
[data-theme="dark"] .lock-chip{color:#fca5a5}
.link-lock-pill{font-size:10.5px;font-weight:700;letter-spacing:.2px;padding:3px 8px;border-radius:999px;background:rgba(239,68,68,.12);color:#b91c1c;white-space:nowrap;flex:0 0 auto}
[data-theme="dark"] .link-lock-pill{color:#fca5a5}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.checkline{display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--bg-soft);border:1px solid var(--border);border-radius:12px;font-size:13px;font-weight:600;color:var(--ink-2)}
.checkline.compact{padding:0;background:transparent;border:0;font-size:12px}
.checkline input{width:16px;height:16px}
.admin-link-group{border:1px solid var(--border);border-radius:16px;background:var(--bg-elev);margin:0 0 14px;overflow:hidden}
.admin-link-group summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 18px;font-weight:700;background:linear-gradient(180deg,rgba(99,102,241,.04),transparent)}
.admin-link-group summary::-webkit-details-marker{display:none}
.admin-link-group small{color:var(--ink-3);font-weight:600}
.admin-link-table-wrap{overflow:auto;border-top:1px solid var(--border)}
.admin-link-table{width:100%;border-collapse:collapse;min-width:980px}
.admin-link-table th,.admin-link-table td{padding:12px 10px;border-bottom:1px solid var(--border);vertical-align:top;text-align:left;font-size:13px}
.admin-link-table th{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--ink-3);background:var(--bg-soft)}
.admin-link-table input[type="text"]{width:100%;min-width:140px;height:38px;padding:0 10px;background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;color:var(--ink);font-size:13px;font-family:var(--font)}
.link-admin-title{font-weight:700;color:var(--ink);line-height:1.35;margin-bottom:3px}
.link-admin-meta{font-size:11px;color:var(--ink-3);margin-bottom:4px}
.link-admin-url{font-size:11px;max-width:360px;word-break:break-all}
.link-admin-url a{color:var(--brand)}
.alert-danger{background:#fef2f2;color:#991b1b;border:1px solid #fecaca;border-radius:14px;padding:12px 14px}
[data-theme="dark"] .alert-danger{background:rgba(127,29,29,.28);color:#fecaca;border-color:#7f1d1d}
@media (max-width: 980px){.filter-panel-grid{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr}.shortcut-grid{grid-template-columns:1fr 1fr}}
@media (max-width: 640px){.shortcut-grid{grid-template-columns:1fr}.external-filter-panel{padding:12px}.admin-link-group summary{padding:14px}.link-lock-pill{display:none}}