:root {
  --bg: #1B2B44;
  --bg-deep: #142033;
  --surface: #223654;
  --surface2: #2a4268;
  --border: #334d73;
  --text: #e8eef8;
  --muted: #9bb0cc;
  --accent-start: #7EE8FA;
  --accent-end: #9D50BB;
  --accent: #7EE8FA;
  --gradient: linear-gradient(90deg, var(--accent-start), var(--accent-end));
  --success: #4ade80;
  --danger: #f87171;
  --warning: #fbbf24;
  --radius: 12px;
  --font: "Inter", system-ui, -apple-system, sans-serif;
}

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

body {
  font-family: var(--font);
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

a { color: var(--accent-start); text-decoration: none; }
a:hover { color: #fff; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

.site-header {
  background: var(--bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.header-nav { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.nav-link { color: var(--muted); font-size: 0.9rem; font-weight: 500; }
.nav-link:hover { color: var(--accent-start); }
.inline-form { display: inline; }

.logo {
  display: flex; align-items: center; gap: 0.65rem;
  font-weight: 700; font-size: 1.2rem; color: var(--text); text-decoration: none;
}
.logo:hover { text-decoration: none; color: #fff; }
.logo-img {
  height: 52px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}
.user-badge { font-size: 0.85rem; color: var(--muted); }

.hero { padding: 3rem 0 2rem; text-align: center; }
.hero h1 {
  font-size: 2.35rem; margin-bottom: 0.75rem; font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p { color: var(--muted); max-width: 640px; margin: 0 auto 2rem; }

.exam-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
  padding-bottom: 3rem;
}
.exam-card {
  background: rgba(34, 54, 84, 0.82);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.exam-card:hover {
  border-color: var(--accent-start);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(126, 232, 250, 0.12);
}
.exam-code {
  display: inline-block;
  background: var(--gradient);
  color: #1B2B44;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
}
.exam-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.exam-meta {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  font-size: 0.85rem; color: var(--muted); margin: 0.75rem 0 1rem;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.65rem 1.25rem; border-radius: 10px; font-size: 0.95rem; font-weight: 600;
  border: none; cursor: pointer; text-decoration: none; transition: opacity 0.2s, transform 0.15s;
  font-family: var(--font);
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--gradient); color: #1B2B44; }
.btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); padding: 0.4rem 0.8rem; font-size: 0.85rem; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-block { width: 100%; }
.btn-sm { padding: 0.45rem 1rem; font-size: 0.9rem; }

.form-card {
  max-width: 480px; margin: 2rem auto;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-size: 0.9rem; margin-bottom: 0.4rem; color: var(--muted); }
.form-group input, .form-group select {
  width: 100%; padding: 0.75rem 1rem; background: var(--bg-deep);
  border: 1px solid var(--border); border-radius: 10px; color: var(--text); font-size: 1rem; font-family: var(--font);
}
.form-group textarea {
  width: 100%;
  min-height: 8rem;
  padding: 0.75rem 1rem;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 1rem;
  font-family: var(--font);
  line-height: 1.45;
  resize: vertical;
  display: block;
  box-sizing: border-box;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--accent-start); box-shadow: 0 0 0 3px rgba(126,232,250,0.15);
}
.form-group input[type="checkbox"] {
  width: auto;
  padding: 0;
}
.info-panel {
  background: rgba(34, 54, 84, 0.78);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1.5rem;
}
.info-panel h2 { font-size: 1.15rem; margin-bottom: 1rem; }
.info-panel ul { padding-left: 1.25rem; color: var(--muted); }
.info-panel li { margin-bottom: 0.5rem; }
.pool-info-panel { border-left: 4px solid transparent; border-image: var(--gradient) 1; }

.section-list { display: flex; flex-direction: column; gap: 0.5rem; }
.section-item {
  display: flex; justify-content: space-between;
  padding: 0.6rem 0.8rem; background: var(--bg-deep); border-radius: 8px; font-size: 0.9rem;
}

.exam-layout {
  display: grid; grid-template-columns: 260px 1fr; gap: 1.5rem;
  min-height: calc(100vh - 80px); padding: 1.5rem 0;
}
@media (max-width: 768px) { .exam-layout { grid-template-columns: 1fr; } }

.exam-sidebar {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem; height: fit-content; position: sticky; top: 90px;
}
.timer {
  font-size: 1.75rem; font-weight: 700; text-align: center;
  padding: 1rem; background: var(--bg-deep); border-radius: 10px; margin-bottom: 1rem;
  background-image: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.timer.warning, .timer.danger { -webkit-text-fill-color: initial; color: var(--warning); }
.timer.danger { color: var(--danger); }

.question-nav { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.35rem; }
.q-nav-btn {
  aspect-ratio: 1; border: 1px solid var(--border); background: var(--bg-deep);
  color: var(--muted); border-radius: 8px; font-size: 0.8rem; cursor: pointer;
}
.q-nav-btn.active { border-color: var(--accent-start); color: var(--accent-start); background: rgba(126,232,250,0.12); }
.q-nav-btn.answered { background: rgba(74,222,128,0.15); border-color: var(--success); color: var(--success); }

.exam-main { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; }
.question-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border);
}
.q-type-badge { font-size: 0.75rem; padding: 0.25rem 0.6rem; border-radius: 6px; background: var(--surface2); color: var(--muted); }
.question-text { font-size: 1.1rem; margin-bottom: 1.5rem; line-height: 1.7; }

.options-list { display: flex; flex-direction: column; gap: 0.75rem; }
.option-item {
  display: flex; align-items: flex-start; gap: 0.75rem;
  padding: 1rem 1.25rem; background: var(--bg-deep); border: 2px solid var(--border);
  border-radius: 10px; cursor: pointer; transition: border-color 0.15s;
}
.option-item:hover { border-color: var(--accent-start); }
.option-item.selected { border-color: var(--accent-start); background: rgba(126,232,250,0.08); }
.option-item input { margin-top: 0.2rem; accent-color: var(--accent-end); }
.option-label { font-weight: 700; min-width: 1.5rem; color: var(--accent-start); }

.exam-actions {
  display: flex; justify-content: space-between; margin-top: 2rem;
  padding-top: 1.5rem; border-top: 1px solid var(--border);
}

.score-hero {
  text-align: center; padding: 2.5rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin: 2rem 0;
}
.score-value { font-size: 4rem; font-weight: 800; line-height: 1; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.score-value.pass { -webkit-text-fill-color: initial; color: var(--success); }
.score-value.fail { -webkit-text-fill-color: initial; color: var(--danger); }
.score-stats { display: flex; justify-content: center; gap: 2rem; margin-top: 1.5rem; flex-wrap: wrap; }
.stat-box { text-align: center; }
.stat-box .num { font-size: 1.75rem; font-weight: 700; }
.stat-box .lbl { font-size: 0.85rem; color: var(--muted); }
.stat-box.correct .num { color: var(--success); }
.stat-box.incorrect .num { color: var(--danger); }
.stat-box.unanswered .num { color: var(--warning); }

.breakdown-table, .history-table { width: 100%; border-collapse: collapse; }
.breakdown-table th, .breakdown-table td, .history-table th, .history-table td {
  padding: 0.85rem 1rem; text-align: left; border-bottom: 1px solid var(--border);
}
.breakdown-table th, .history-table th { color: var(--muted); font-size: 0.85rem; font-weight: 600; }
.progress-bar { height: 8px; background: var(--bg-deep); border-radius: 4px; overflow: hidden; margin-top: 0.35rem; }
.progress-fill { height: 100%; background: var(--gradient); border-radius: 4px; }
.progress-fill.low { background: var(--danger); }

.review-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1rem;
}
.review-item.correct { border-left: 4px solid var(--success); }
.review-item.incorrect { border-left: 4px solid var(--danger); }

.alert {
  padding: 1rem 1.25rem; border-radius: 10px; margin-bottom: 1rem;
  background: rgba(251,191,36,0.12); border: 1px solid var(--warning); color: var(--warning);
}
.alert-success { background: rgba(74,222,128,0.12); border-color: var(--success); color: var(--success); }

.update-badge {
  margin: 0.75rem 0 1rem; padding: 0.75rem 1rem; border-radius: 10px;
  font-size: 0.85rem; line-height: 1.5; border: 1px solid var(--border); background: var(--bg-deep);
}
.update-badge-ok { border-color: rgba(126,232,250,0.35); }
.update-badge-unknown { border-color: rgba(251,191,36,0.35); }
.update-badge .update-label {
  display: block; color: var(--muted); font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.15rem;
}
.update-badge time { display: block; font-weight: 600; color: var(--text); }
.update-badge .update-source { display: block; color: var(--muted); font-size: 0.8rem; margin-top: 0.15rem; }

.admin-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 1.25rem; }
@media (max-width: 900px) { .admin-grid { grid-template-columns: 1fr; } }

.admin-page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1rem;
}
.admin-tabs {
  position: sticky;
  top: 0.75rem;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.65rem;
  margin: 0 0 1.25rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(20, 32, 51, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}
.admin-tab {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.admin-tab:hover {
  color: var(--text);
  background: var(--surface2);
}
.admin-tab.is-active {
  color: var(--accent-start);
  background: rgba(126, 232, 250, 0.12);
  border-color: rgba(126, 232, 250, 0.28);
}
.admin-tab-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 0.35rem;
  border-radius: 999px;
  background: var(--warning);
  color: #1a202c;
  font-size: 0.72rem;
  font-weight: 700;
}
.admin-panel[hidden] { display: none !important; }
.admin-panel > h2:first-child,
.admin-panel .info-panel > h2:first-child { margin-top: 0; }
.admin-filter-bar { margin-bottom: 1rem; }
.admin-filter-input {
  width: 100%;
  max-width: 420px;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--text);
}
.admin-form-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}
@media (max-width: 800px) {
  .admin-form-row { grid-template-columns: 1fr; }
  .admin-tabs { top: 0.4rem; }
}
.admin-exam-block {
  padding: 1rem 0; border-bottom: 1px solid var(--border); margin-bottom: 0.5rem;
}
.admin-exam-block h3 { font-size: 1rem; margin-bottom: 0.35rem; }
.admin-exam-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.5rem;
}
.admin-exam-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  flex-shrink: 0;
}
@media (max-width: 700px) {
  .admin-exam-header { flex-direction: column; }
}
.admin-template-links {
  display: flex; flex-wrap: wrap; gap: 0.35rem; max-height: 220px; overflow-y: auto;
  padding: 0.5rem; border: 1px solid var(--border); border-radius: var(--radius);
}
.source-list { list-style: none; padding: 0; margin: 0.5rem 0; }
.source-list li { font-size: 0.9rem; color: var(--muted); margin-bottom: 0.35rem; }

.admin-users-list { display: flex; flex-direction: column; gap: 1rem; }
.admin-user-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  background: var(--bg-deep);
}
.admin-user-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.75rem;
}
.admin-user-identity-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex: 1;
  min-width: 0;
}
.admin-user-block h3 { font-size: 1rem; margin-bottom: 0.2rem; }
.admin-user-email { color: var(--muted); font-size: 0.9rem; }
.admin-badge {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent-start);
  border: 1px solid rgba(126, 232, 250, 0.35);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  vertical-align: middle;
}
.admin-attempts-table { margin-top: 0.25rem; }
.attempt-date { font-size: 0.85rem; color: var(--muted); }

.vendor-section { margin-bottom: 2rem; }
.vendor-section-compact { margin-bottom: 2.5rem; }
.vendor-section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.vendor-section-header h2,
.vendor-section-header h3 { margin: 0.35rem 0 0; }
.vendor-section-desc { color: var(--muted); font-size: 0.92rem; max-width: 640px; margin-top: 0.35rem; }
.vendor-section-stats {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  font-size: 0.88rem;
  color: var(--muted);
}
.vendor-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-start);
  background: rgba(126, 232, 250, 0.1);
  border: 1px solid rgba(126, 232, 250, 0.25);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
}
.vendor-badge-microsoft {
  color: #9dd4ff;
  background: rgba(77, 163, 255, 0.12);
  border-color: rgba(77, 163, 255, 0.3);
}
.vendor-badge-comptia {
  color: #ffb4b4;
  background: rgba(200, 32, 47, 0.14);
  border-color: rgba(200, 32, 47, 0.35);
}
.vendor-badge-topics {
  color: #c8f0ff;
  background: rgba(126, 232, 250, 0.12);
  border-color: rgba(157, 80, 187, 0.35);
}
.vendor-section-brand {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.vendor-section-brand-center {
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.vendor-logo {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  padding: 6px;
}
.vendor-logo-wide {
  width: auto;
  max-width: 140px;
  height: 42px;
  padding: 4px 8px;
}
.vendor-logo-lg {
  width: 64px;
  height: 64px;
}
.topic-card {
  position: relative;
}
.topic-icon {
  display: block;
  width: 44px;
  height: 44px;
  margin-bottom: 0.65rem;
  padding: 6px;
  border-radius: 10px;
  background: rgba(126, 232, 250, 0.08);
  border: 1px solid rgba(126, 232, 250, 0.15);
}
.topic-icon-hero {
  margin: 0 auto 0.75rem;
}
.topic-icon-sm {
  width: 32px;
  height: 32px;
  padding: 4px;
  margin-bottom: 0.35rem;
}
.family-grid-compact {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.85rem;
  padding-bottom: 1.5rem;
}
.family-card-compact {
  padding: 1rem 1.1rem;
  gap: 0.35rem;
}
.family-card-compact h3 {
  margin: 0;
  font-size: 0.98rem;
}
.family-card-compact .family-meta {
  margin: 0.35rem 0 0;
}
.vendor-section-topics .family-card {
  border-color: rgba(157, 80, 187, 0.18);
}
.vendor-card .vendor-badge { margin-bottom: 0.25rem; }

/* ——— Left sidebar layout ——— */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 300px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 200;
}

.sidebar-brand {
  flex-shrink: 0;
  padding: 1rem 0.65rem 0;
  background: var(--surface);
}

.sidebar-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 0.75rem 0.65rem 1rem;
  background: linear-gradient(
    180deg,
    #2a4468 0%,
    #223654 12%,
    #1f3555 45%,
    #1a2d4a 78%,
    #152238 100%
  );
  border-top: 1px solid rgba(126, 232, 250, 0.08);
}

.sidebar-logo {
  display: block;
  margin: 0 -0.35rem 0;
  padding: 0.4rem 0.15rem 0.65rem;
  background: var(--surface);
  border-radius: 10px;
  text-align: center;
  line-height: 0;
}

.sidebar-logo .logo-img {
  width: 100%;
  height: auto;
  min-height: 130px;
  max-width: 100%;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  image-rendering: -webkit-optimize-contrast;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.sidebar-search {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0 0 0.85rem;
  padding: 0.35rem;
  border-radius: 10px;
  background: rgba(20, 32, 51, 0.55);
  border: 1px solid rgba(126, 232, 250, 0.18);
}
.sidebar-search input[type="search"] {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.88rem;
  padding: 0.45rem 0.5rem;
  outline: none;
}
.sidebar-search input[type="search"]::placeholder {
  color: var(--muted);
  opacity: 0.85;
}
.sidebar-search input[type="search"]::-webkit-search-cancel-button {
  filter: invert(0.7);
}
.sidebar-search-btn {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 8px;
  background: var(--gradient);
  color: #1B2B44;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  line-height: 1;
}
.sidebar-search-btn:hover { opacity: 0.92; }

.catalog-search-form { margin-bottom: 1.25rem; }
.catalog-search-row {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  align-items: stretch;
}
.catalog-search-row input[type="search"] {
  flex: 1;
  min-width: 220px;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
}
.catalog-search-row input[type="search"]:focus {
  outline: 2px solid rgba(126, 232, 250, 0.35);
  border-color: var(--accent-start);
}
.catalog-search-hint {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.65rem;
}
.catalog-search-summary {
  color: var(--muted);
  margin-bottom: 1rem;
}
.search-token {
  display: inline-block;
  margin: 0 0.2rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: rgba(126, 232, 250, 0.12);
  color: var(--accent-start);
  font-size: 0.85rem;
  font-weight: 600;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.sidebar-link:hover {
  background: var(--surface2);
  color: var(--text);
  text-decoration: none;
}

.sidebar-link.active {
  background: rgba(126, 232, 250, 0.12);
  color: var(--accent-start);
  border: 1px solid rgba(126, 232, 250, 0.25);
}

.sidebar-icon {
  font-size: 1.45rem;
  width: 1.85rem;
  line-height: 1;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid rgba(126, 232, 250, 0.1);
}

.sidebar-user-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}
.sidebar-user-info { min-width: 0; flex: 1; }
.user-avatar {
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid rgba(126, 232, 250, 0.35);
  background: var(--surface2);
}
.user-avatar-md { width: 52px; height: 52px; }
.user-avatar-sm { width: 48px; height: 48px; }
.admin-user-identity { flex: 1; min-width: 0; }
.results-user-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.sidebar-user {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.15rem;
}

.sidebar-user-email {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
  word-break: break-all;
}

.app-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  isolation: isolate;
  background: linear-gradient(155deg, #121f33 0%, var(--bg) 38%, #1e3354 72%, #1a2840 100%);
  overflow: hidden;
  transition: background 0.7s ease;
}

.main-bg-decor {
  position: absolute;
  inset: 0;
  overflow: visible;
  pointer-events: none;
  z-index: 0;
}

.main-bg-orbs {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: visible;
}

.main-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(48px) brightness(0.8);
  opacity: 0.45;
  animation: orb-pulse 6.5s ease-in-out infinite;
  will-change: opacity, filter, transform;
}

.main-bg-orb-cyan {
  width: 300px;
  height: 300px;
  top: 1%;
  left: 4%;
  background: radial-gradient(circle, rgba(126, 232, 250, 0.5) 0%, rgba(126, 232, 250, 0.1) 55%, transparent 72%);
  animation: orb-drift-a 32s ease-in-out infinite, orb-pulse 6.5s ease-in-out infinite;
}

.main-bg-orb-sky {
  width: 240px;
  height: 240px;
  top: 4%;
  left: 40%;
  background: radial-gradient(circle, rgba(140, 220, 255, 0.48) 0%, rgba(126, 232, 250, 0.1) 55%, transparent 72%);
  animation: orb-drift-b 28s ease-in-out 1.5s infinite, orb-pulse 7s ease-in-out 1s infinite;
}

.main-bg-orb-rose {
  width: 220px;
  height: 220px;
  top: 2%;
  right: 8%;
  background: radial-gradient(circle, rgba(200, 130, 240, 0.44) 0%, rgba(157, 80, 187, 0.1) 55%, transparent 72%);
  animation: orb-drift-g 27s ease-in-out 5s infinite, orb-pulse 7.5s ease-in-out 1.5s infinite;
}

.main-bg-orb-purple {
  width: 360px;
  height: 360px;
  top: 32%;
  right: 0;
  background: radial-gradient(circle, rgba(157, 80, 187, 0.48) 0%, rgba(157, 80, 187, 0.1) 55%, transparent 72%);
  animation: orb-drift-c 34s ease-in-out 3s infinite, orb-pulse 6.5s ease-in-out 2s infinite;
}

.main-bg-orb-teal {
  width: 250px;
  height: 250px;
  top: 56%;
  left: 3%;
  background: radial-gradient(circle, rgba(100, 210, 230, 0.42) 0%, rgba(126, 232, 250, 0.08) 55%, transparent 72%);
  animation: orb-drift-d 30s ease-in-out 2s infinite, orb-pulse 7.5s ease-in-out 0.5s infinite;
}

.main-bg-orb-mix {
  width: 280px;
  height: 280px;
  bottom: 6%;
  left: 38%;
  background: radial-gradient(circle, rgba(110, 200, 230, 0.35) 0%, rgba(157, 80, 187, 0.2) 45%, transparent 70%);
  animation: orb-drift-e 29s ease-in-out 4s infinite, orb-pulse 6.5s ease-in-out 3s infinite;
}

.main-bg-orb-violet {
  width: 230px;
  height: 230px;
  bottom: 18%;
  right: 16%;
  background: radial-gradient(circle, rgba(180, 100, 220, 0.44) 0%, rgba(157, 80, 187, 0.1) 55%, transparent 72%);
  animation: orb-drift-f 31s ease-in-out 1s infinite, orb-pulse 7s ease-in-out 2.5s infinite;
}

.main-bg-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(126, 232, 250, 0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 232, 250, 0.15) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 95% 90% at 50% 32%, black 38%, transparent 100%);
}

.main-bg-aurora {
  position: absolute;
  left: -40%;
  top: 22%;
  width: 180%;
  height: 220px;
  z-index: 2;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(126, 232, 250, 0.16) 30%,
    rgba(157, 80, 187, 0.28) 50%,
    rgba(126, 232, 250, 0.16) 70%,
    transparent 100%
  );
  filter: blur(16px);
  transform: rotate(-6deg);
  animation: aurora-sweep 15s ease-in-out infinite;
}

.main-bg-comets {
  position: absolute;
  inset: 0;
  z-index: 3;
  overflow: hidden;
  pointer-events: none;
}

.main-bg-comet {
  position: absolute;
  left: -16%;
  height: 3px;
  border-radius: 999px;
  opacity: 0;
  animation: comet-pass 12s linear infinite;
}

.main-bg-comet-1 {
  top: 1%;
  width: 150px;
  background: linear-gradient(90deg, transparent 0%, rgba(126, 232, 250, 0.85) 50%, transparent 100%);
  box-shadow: 0 0 18px rgba(126, 232, 250, 0.65), 0 0 36px rgba(126, 232, 250, 0.22);
  animation-delay: 0s;
  --comet-angle: -18deg;
}

.main-bg-comet-2 {
  top: 3%;
  width: 130px;
  background: linear-gradient(90deg, transparent 0%, rgba(180, 140, 255, 0.8) 50%, transparent 100%);
  box-shadow: 0 0 18px rgba(157, 80, 187, 0.6), 0 0 34px rgba(157, 80, 187, 0.22);
  animation-delay: 2.5s;
  --comet-angle: -24deg;
}

.main-bg-comet-3 {
  top: 0.5%;
  width: 170px;
  background: linear-gradient(90deg, transparent 0%, rgba(140, 230, 255, 0.82) 50%, transparent 100%);
  box-shadow: 0 0 20px rgba(126, 232, 250, 0.6), 0 0 38px rgba(157, 80, 187, 0.2);
  animation-delay: 5s;
  --comet-angle: -20deg;
}

.main-bg-comet-4 {
  top: 4%;
  width: 120px;
  background: linear-gradient(90deg, transparent 0%, rgba(200, 160, 255, 0.78) 50%, transparent 100%);
  box-shadow: 0 0 16px rgba(157, 80, 187, 0.55), 0 0 30px rgba(126, 232, 250, 0.18);
  animation-delay: 7.5s;
  --comet-angle: -28deg;
}

@keyframes comet-pass {
  0%, 1%, 19%, 100% {
    opacity: 0;
    transform: rotate(var(--comet-angle)) translate(0, 0) scaleX(0.7);
  }
  3% {
    opacity: 0.85;
    transform: rotate(var(--comet-angle)) translate(0, 0) scaleX(1);
  }
  15% {
    opacity: 0.58;
    transform: rotate(var(--comet-angle)) translate(92vw, 14vh) scaleX(1.1);
  }
  18% {
    opacity: 0;
    transform: rotate(var(--comet-angle)) translate(115vw, 18vh) scaleX(0.8);
  }
}

.main-bg-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 2;
}

.main-bg-particle {
  position: absolute;
  bottom: -10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(160, 240, 255, 0.9);
  box-shadow:
    0 0 18px rgba(126, 232, 250, 0.75),
    0 0 6px rgba(255, 255, 255, 0.35);
  opacity: 0;
  animation: particle-rise linear infinite;
}

.main-bg-particle:nth-child(1) { left: 8%; animation-duration: 14s; animation-delay: 0s; }
.main-bg-particle:nth-child(2) { left: 22%; animation-duration: 16s; animation-delay: 4s; width: 6px; height: 6px; }
.main-bg-particle:nth-child(3) { left: 36%; animation-duration: 13s; animation-delay: 8s; background: rgba(210, 160, 255, 0.9); box-shadow: 0 0 18px rgba(157, 80, 187, 0.7), 0 0 6px rgba(255, 255, 255, 0.3); }
.main-bg-particle:nth-child(4) { left: 50%; animation-duration: 15s; animation-delay: 2s; width: 10px; height: 10px; }
.main-bg-particle:nth-child(5) { left: 62%; animation-duration: 17s; animation-delay: 11s; background: rgba(210, 160, 255, 0.9); box-shadow: 0 0 18px rgba(157, 80, 187, 0.7), 0 0 6px rgba(255, 255, 255, 0.3); }
.main-bg-particle:nth-child(6) { left: 74%; animation-duration: 14s; animation-delay: 6s; width: 6px; height: 6px; }
.main-bg-particle:nth-child(7) { left: 86%; animation-duration: 16s; animation-delay: 9s; }
.main-bg-particle:nth-child(8) { left: 94%; animation-duration: 15s; animation-delay: 13s; width: 6px; height: 6px; background: rgba(210, 160, 255, 0.9); box-shadow: 0 0 18px rgba(157, 80, 187, 0.7), 0 0 6px rgba(255, 255, 255, 0.3); }

@keyframes aurora-sweep {
  0%, 100% { transform: rotate(-6deg) translateX(-16%); opacity: 0.65; }
  50% { transform: rotate(-6deg) translateX(16%); opacity: 0.95; }
}


@keyframes particle-rise {
  0% { transform: translateY(0) translateX(0) scale(0.6); opacity: 0; }
  8% { opacity: 0.8; }
  50% { transform: translateY(-55vh) translateX(14px) scale(1); opacity: 0.7; }
  92% { opacity: 0.25; }
  100% { transform: translateY(-115vh) translateX(-10px) scale(0.75); opacity: 0; }
}

@keyframes orb-pulse {
  0%, 100% { opacity: 0.55; filter: blur(44px) brightness(0.85); }
  50% { opacity: 1; filter: blur(68px) brightness(1.35); }
}

@keyframes orb-drift-a {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(14px, 12px); }
}

@keyframes orb-drift-b {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-12px, 10px); }
}

@keyframes orb-drift-c {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-16px, 14px); }
}

@keyframes orb-drift-d {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(10px, -12px); }
}

@keyframes orb-drift-e {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-10px, -14px); }
}

@keyframes orb-drift-f {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(12px, -10px); }
}

@keyframes orb-drift-g {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-14px, 8px); }
}

@media (prefers-reduced-motion: reduce) {
  .main-bg-orb,
  .main-bg-aurora,
  .main-bg-comet,
  .main-bg-particle { animation: none !important; }
  .main-bg-orb { opacity: 0.55; filter: blur(48px); }
  .main-bg-aurora { opacity: 0.5; }
  .main-bg-comet,
  .main-bg-particle { display: none; }
}

/* ——— Section themes (main area) ——— */
.app-main.section-home {
  background: linear-gradient(155deg, #121f33 0%, var(--bg) 38%, #1e3354 72%, #1a2840 100%);
}
.app-main.section-catalog {
  background: linear-gradient(145deg, #141e38 0%, #1a2a4a 35%, #2a1f4a 68%, #1a2840 100%);
}
.app-main.section-calendar {
  background: linear-gradient(160deg, #0f2430 0%, #152a3d 40%, #1e3a52 70%, #1a2840 100%);
}
.app-main.section-admin {
  background: linear-gradient(150deg, #181428 0%, #221a3a 42%, #2a1f48 75%, #1a2840 100%);
}
.app-main.section-register {
  background: linear-gradient(165deg, #0f2238 0%, #163050 45%, #1a3a5c 80%, #1a2840 100%);
}
.app-main.section-exam {
  background: linear-gradient(170deg, #0d1828 0%, #121f33 50%, #1a2540 100%);
}

.section-catalog .main-bg-orb-cyan {
  top: 2%;
  left: auto;
  right: 6%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(157, 80, 187, 0.42) 0%, rgba(126, 232, 250, 0.12) 50%, transparent 72%);
}
.section-catalog .main-bg-orb-sky { left: 36%; top: 5%; }
.section-catalog .main-bg-orb-rose { top: 3%; right: 10%; }
.section-catalog .main-bg-orb-purple {
  top: 38%;
  right: auto;
  left: 0;
  width: 340px;
  height: 340px;
}
.section-catalog .main-bg-orb-mix {
  bottom: 8%;
  left: 52%;
  background: radial-gradient(circle, rgba(157, 80, 187, 0.32) 0%, rgba(110, 200, 230, 0.15) 45%, transparent 70%);
}
.section-catalog .main-bg-orb-teal { top: 60%; left: 8%; }
.section-catalog .main-bg-orb-violet { right: 12%; bottom: 22%; }
.section-catalog .main-bg-grid {
  background-image:
    linear-gradient(rgba(157, 80, 187, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(157, 80, 187, 0.14) 1px, transparent 1px);
}
.section-catalog .main-bg-aurora {
  top: 35%;
  background: linear-gradient(90deg, transparent, rgba(157, 80, 187, 0.1) 45%, rgba(126, 232, 250, 0.06) 55%, transparent);
  animation-duration: 13s;
}

.section-calendar .main-bg-orb-cyan {
  top: 6%;
  left: 46%;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(126, 232, 250, 0.5) 0%, rgba(77, 200, 220, 0.12) 55%, transparent 72%);
}
.section-calendar .main-bg-orb-sky { left: 5%; top: 4%; }
.section-calendar .main-bg-orb-rose { top: 3%; right: 8%; }
.section-calendar .main-bg-orb-purple {
  top: auto;
  bottom: 12%;
  right: 4%;
  width: 320px;
  height: 320px;
  opacity: 0.85;
}
.section-calendar .main-bg-orb-mix { display: none; }
.section-calendar .main-bg-orb-teal { top: 54%; left: 6%; }
.section-calendar .main-bg-orb-violet { bottom: 28%; right: 22%; }
.section-calendar .main-bg-grid {
  background-size: 56px 56px;
  background-image:
    linear-gradient(rgba(126, 232, 250, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(126, 232, 250, 0.13) 1px, transparent 1px);
}
.section-calendar .main-bg-aurora {
  top: 45%;
  animation-duration: 18s;
  background: linear-gradient(90deg, transparent, rgba(126, 232, 250, 0.1) 50%, transparent);
}

.section-admin .main-bg-orb-cyan {
  width: 340px;
  height: 340px;
  top: 5%;
  left: 70%;
  opacity: 0.75;
}
.section-admin .main-bg-orb-purple {
  width: 560px;
  height: 560px;
  top: 20%;
  right: -180px;
  background: radial-gradient(circle, rgba(157, 80, 187, 0.5) 0%, rgba(100, 60, 140, 0.15) 55%, transparent 72%);
}
.section-admin .main-bg-orb-mix {
  bottom: 15%;
  left: 10%;
  opacity: 0.6;
}
.section-admin .main-bg-grid {
  background-image:
    linear-gradient(rgba(157, 80, 187, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(157, 80, 187, 0.16) 1px, transparent 1px);
}
.section-admin .main-bg-aurora {
  top: 18%;
  animation-duration: 20s;
  background: linear-gradient(90deg, transparent, rgba(157, 80, 187, 0.12) 50%, transparent);
}

.section-register .main-bg-orb-cyan {
  top: 3%;
  left: 18%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(126, 232, 250, 0.55) 0%, rgba(126, 232, 250, 0.1) 55%, transparent 72%);
}
.section-register .main-bg-orb-sky { top: 5%; left: 52%; }
.section-register .main-bg-orb-rose { top: 2%; right: 6%; }
.section-register .main-bg-orb-purple {
  top: 50%;
  right: 10%;
  opacity: 0.85;
}
.section-register .main-bg-orb-mix {
  bottom: 0;
  left: 40%;
  width: 400px;
  height: 400px;
}

.section-exam .main-bg-orb-cyan,
.section-exam .main-bg-orb-purple,
.section-exam .main-bg-orb-mix,
.section-exam .main-bg-orb-sky,
.section-exam .main-bg-orb-teal,
.section-exam .main-bg-orb-violet,
.section-exam .main-bg-orb-rose {
  filter: blur(56px) brightness(0.75);
}
.section-exam .main-bg-orb-sky,
.section-exam .main-bg-orb-rose { display: none; }
.section-exam .main-bg-orb-cyan { top: 2%; left: 28%; width: 280px; height: 280px; }
.section-exam .main-bg-orb-purple { right: 0; top: 34%; width: 300px; height: 300px; }
.section-exam .main-bg-orb-mix { bottom: 10%; left: 42%; width: 240px; height: 240px; }
.section-exam .main-bg-orb-teal { top: 58%; left: 6%; width: 200px; height: 200px; }
.section-exam .main-bg-orb-violet { bottom: 22%; right: 14%; width: 200px; height: 200px; }
.section-exam .main-bg-orbs { opacity: 0.65; }
.section-exam .main-bg-orb { animation-duration: 36s, 9s; }
.section-exam .main-bg-grid { opacity: 0.8; }
.section-exam .main-bg-aurora { opacity: 0.45; animation-duration: 22s; }
.section-exam .main-bg-particles { opacity: 0.5; }
.section-exam .main-bg-particle { animation-duration: 18s !important; }
.section-exam .main-bg-comet { animation-duration: 16s; opacity: 0.55; }
.section-exam .main-bg-comet-1 { animation-delay: 0s; }
.section-exam .main-bg-comet-2 { animation-delay: 4s; }
.section-exam .main-bg-comet-3 { animation-delay: 8s; }
.section-exam .main-bg-comet-4 { animation-delay: 12s; }

.main-content {
  flex: 1;
  padding: 1.5rem 2rem 2.5rem;
  max-width: 1200px;
  width: 100%;
  position: relative;
  z-index: 5;
}

.sidebar-toggle {
  display: none;
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 300;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  font-size: 1.25rem;
  cursor: pointer;
}

body.no-sidebar .sidebar { display: none; }
body.no-sidebar .sidebar-toggle { display: none; }
body.no-sidebar .main-content { max-width: none; padding: 1rem; }

.container-fluid { max-width: 1100px; margin: 0 auto; padding: 0 1rem; }

.page-header { margin-bottom: 1.5rem; }
.page-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-subtitle { color: var(--muted); margin-top: 0.35rem; }

/* Hide legacy top header if present */
.site-header { display: none; }

@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    left: 0;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.35);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-toggle { display: block; }
  .main-content { padding: 3.5rem 1rem 2rem; }
}

/* ——— Calendar ——— */
.calendar-toolbar { margin-bottom: 1.25rem; }
.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.calendar-month-title {
  font-size: 1.35rem;
  font-weight: 700;
  text-align: center;
  flex: 1;
  min-width: 160px;
}
.calendar-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: center;
  font-size: 0.85rem;
  color: var(--muted);
}
.legend-item { display: flex; align-items: center; gap: 0.4rem; }
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.dot-pass { background: var(--success); }
.dot-fail { background: var(--danger); }
.dot-progress { background: var(--warning); }
.legend-stat { margin-left: auto; color: var(--text); font-weight: 500; }

.calendar-grid-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  overflow-x: auto;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(100px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  min-width: 700px;
}

.calendar-weekday {
  background: var(--surface2);
  padding: 0.65rem;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.calendar-day {
  background: var(--bg-deep);
  min-height: 110px;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.calendar-day.other-month {
  background: var(--bg);
  opacity: 0.45;
}

.calendar-day.today .calendar-day-num {
  background: var(--gradient);
  color: #1B2B44;
  border-radius: 50%;
  width: 1.75rem;
  height: 1.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.calendar-day-num {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
}

.calendar-events {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}

.calendar-event {
  display: block;
  padding: 0.4rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
  line-height: 1.35;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: transform 0.1s, box-shadow 0.1s;
}

.calendar-event:hover {
  transform: translateX(2px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  text-decoration: none;
}

.calendar-event.event-pass {
  background: rgba(74, 222, 128, 0.12);
  border-left-color: var(--success);
  color: var(--text);
}

.calendar-event.event-fail {
  background: rgba(248, 113, 113, 0.12);
  border-left-color: var(--danger);
  color: var(--text);
}

.calendar-event.event-progress {
  background: rgba(251, 191, 36, 0.12);
  border-left-color: var(--warning);
  color: var(--text);
}

.event-code {
  display: block;
  font-weight: 700;
  font-size: 0.8rem;
}

.event-meta {
  display: block;
  color: var(--muted);
  font-size: 0.7rem;
}

.event-badge {
  display: inline-block;
  margin-top: 0.15rem;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.event-pass .event-badge { color: var(--success); }
.event-fail .event-badge { color: var(--danger); }
.event-progress .event-badge { color: var(--warning); }

@media (max-width: 900px) {
  .legend-stat { margin-left: 0; width: 100%; }
}


.family-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
  padding-bottom: 3rem;
}

.program-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  padding-bottom: 2rem;
}
.program-hub-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  background: rgba(34, 54, 84, 0.82);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  position: relative;
  z-index: 2;
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.program-hub-card:hover {
  border-color: rgba(126, 232, 250, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22);
  text-decoration: none;
}
.program-hub-card-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}
.program-hub-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  padding: 6px;
}
.program-hub-logo-wide {
  width: auto;
  max-width: 120px;
  height: 36px;
}
.program-hub-title {
  margin: 0;
  font-size: 1.15rem;
  color: var(--text);
}
.program-hub-desc {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  flex: 1;
}
.program-hub-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.program-hub-cta {
  margin-top: 0.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-start);
}
.program-hub-topics:hover,
.program-hub-card.program-hub-topics:hover {
  border-color: rgba(157, 80, 187, 0.35);
}

.family-card {
  background: rgba(34, 54, 84, 0.82);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.family-code {
  display: inline-block;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--accent-start);
  background: rgba(126, 232, 250, 0.1);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  width: fit-content;
}

.family-theme, .family-theme-inline { color: var(--muted); font-size: 0.85rem; }
.family-desc { color: var(--muted); font-size: 0.92rem; flex: 1; }
.family-meta { display: flex; gap: 1rem; font-size: 0.85rem; color: var(--muted); margin: 0.25rem 0 0.75rem; }
.family-sim { color: var(--success); }
.level-heading {
  margin: 2rem 0 1rem;
  font-size: 1.15rem;
  color: var(--accent-start);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.exam-level-badge {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  margin-left: 0.35rem;
}
.exam-role { color: var(--muted); font-size: 0.88rem; margin: 0.25rem 0 0.5rem; }
.exam-overview { color: var(--muted); font-size: 0.88rem; margin-bottom: 0.75rem; line-height: 1.5; }
.section-preview { font-size: 0.85rem; margin-bottom: 0.75rem; }
.section-preview ul { margin: 0.35rem 0 0 1rem; color: var(--muted); }
.section-preview li { margin-bottom: 0.2rem; }
.exam-card-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.75rem; }


.calendar-event-row {
  display: flex;
  align-items: stretch;
  gap: 0.25rem;
  border-radius: 6px;
  border-left: 3px solid transparent;
}

.calendar-event-row.event-pass {
  background: rgba(74, 222, 128, 0.12);
  border-left-color: var(--success);
}

.calendar-event-row.event-fail {
  background: rgba(248, 113, 113, 0.12);
  border-left-color: var(--danger);
}

.calendar-event-row.event-progress {
  background: rgba(251, 191, 36, 0.12);
  border-left-color: var(--warning);
}

.calendar-event-row .calendar-event {
  flex: 1;
  min-width: 0;
  background: transparent;
  border-left: none;
  border-radius: 0;
}

.calendar-event-row .calendar-event:hover {
  transform: none;
  box-shadow: none;
}

.calendar-event-delete {
  display: flex;
  align-items: flex-start;
  margin: 0;
  padding: 0.15rem 0.25rem 0 0;
}

.btn-delete-event {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  opacity: 0.65;
  transition: color 0.15s, background 0.15s, opacity 0.15s;
}

.btn-delete-event:hover {
  color: var(--danger);
  background: rgba(248, 113, 113, 0.15);
  opacity: 1;
}


/* ——— Profile ——— */
.profile-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.profile-avatar {
  border-radius: 50%;
  border: 2px solid var(--border);
  flex-shrink: 0;
}

.profile-identity h2 {
  font-size: 1.35rem;
  margin-bottom: 0.25rem;
}

.profile-email {
  color: var(--muted);
  font-size: 0.95rem;
}

.profile-meta {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.35rem;
}

.profile-actions {
  margin-left: auto;
}

.sidebar-user-card-link {
  text-decoration: none;
  color: inherit;
  transition: background 0.15s;
}

.sidebar-user-card-link:hover {
  background: rgba(126, 232, 250, 0.08);
}

.profile-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.2;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card.stat-pass .stat-value {
  background: none;
  -webkit-text-fill-color: var(--success);
  color: var(--success);
}

.stat-card.stat-fail .stat-value {
  background: none;
  -webkit-text-fill-color: var(--danger);
  color: var(--danger);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

.profile-exam-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.75rem;
}

.exam-chip {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
}

.exam-chip-export {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  min-width: min(100%, 280px);
}

.exam-chip-body {
  min-width: 0;
}

.exam-chip-code {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
}

.exam-chip-meta {
  color: var(--muted);
  font-size: 0.75rem;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 0.75rem;
}

.profile-attempts-table td {
  vertical-align: middle;
}

.exam-code-inline {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
}

.exam-name-inline {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  max-width: 280px;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-pass {
  background: rgba(74, 222, 128, 0.15);
  color: var(--success);
}

.badge-fail {
  background: rgba(248, 113, 113, 0.15);
  color: var(--danger);
}

.badge-progress {
  background: rgba(251, 191, 36, 0.15);
  color: var(--warning);
}

.muted-cell {
  color: var(--muted);
  font-size: 0.85rem;
}

.actions-cell {
  white-space: nowrap;
}

.empty-state {
  color: var(--muted);
  margin-top: 0.5rem;
}

.section-profile .main-bg-orb-purple { opacity: 0.35; }

.admin-sync-panel { border: 1px solid rgba(126, 232, 250, 0.25); }
.admin-sync-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}
.admin-sync-actions form { margin: 0; }


.admin-exam-checkboxes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.5rem 1rem;
  max-height: 420px;
  overflow: auto;
  padding: 0.5rem 0;
}
.admin-exam-check {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text);
  cursor: pointer;
}
.admin-exam-check input { margin-top: 0.2rem; }
.admin-user-pending { border-left: 3px solid var(--warning); }
.status-badge {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.status-pending { background: rgba(251, 191, 36, 0.2); color: var(--warning); }
.status-approved { background: rgba(74, 222, 128, 0.15); color: var(--success); }
.status-rejected { background: rgba(248, 113, 113, 0.15); color: var(--danger); }

.full-access-badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(74, 222, 128, 0.18);
  color: var(--success);
  border: 1px solid rgba(74, 222, 128, 0.35);
}

.help-ui-note {
  border-left: 3px solid var(--accent, #2b6cb0);
  margin-bottom: 1.25rem;
}
.help-ui-note p { color: var(--muted); margin: 0; line-height: 1.55; }
.help-lang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.85rem;
}
.help-lang-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-deep, var(--surface2));
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s, transform 0.15s;
}
.help-lang-card:hover {
  border-color: var(--accent, #2b6cb0);
  transform: translateY(-2px);
  text-decoration: none;
}
.help-lang-flag { font-size: 1.6rem; line-height: 1; }
.help-lang-label { font-weight: 700; font-size: 1rem; }
.help-lang-action {
  font-size: 0.8rem;
  color: var(--muted);
}
.help-topics {
  margin: 0.5rem 0 0;
  padding-left: 1.25rem;
  color: var(--muted);
  line-height: 1.7;
}