/* ----- Main page theme (modern) ----- */
:root {
  --school-blue: #2563eb;
  --school-blue-dark: #1d4ed8;
  --school-gold: #c9a227;
  --school-white: #ffffff;
  --school-gray: #64748b;
  --school-green: #059669;
  --font: 'Plus Jakarta Sans', 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --text-primary: #0f172a;
  --text-muted: #64748b;
  --border-subtle: #e2e8f0;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
  --radius: 12px;
  --radius-lg: 16px;
}

/* Night mode */
body.body-night {
  --bg-page: #0f172a;
  --bg-card: #1e293b;
  --text-primary: #f1f5f9;
  --text-muted: #94a3b8;
  --border-subtle: #334155;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.3), 0 2px 4px -2px rgba(0,0,0,0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.3), 0 4px 6px -4px rgba(0,0,0,0.2);
}

body.body-night .tool-icon,
body.body-night .tool-icon-svg {
  background: rgba(37, 99, 235, 0.2);
}

body.body-night .hero-badge {
  background: rgba(37, 99, 235, 0.25);
  color: #93c5fd;
}

body.body-night {
  --school-white: #1e293b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg-page);
  color: var(--text-primary);
  min-height: 100vh;
}

/* Main page header – minimal, compact */
.school-header {
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.logo-icon {
  font-size: 1.25rem;
}

.logo-text {
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  flex-wrap: wrap;
}

.theme-toggle {
  background: none;
  border: none;
  font-size: 1.1rem;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  border-radius: 8px;
  line-height: 1;
  transition: background 0.15s;
}

.theme-toggle:hover {
  background: var(--bg-page);
}

.body-night .theme-toggle {
  background: none;
}

.body-night .theme-toggle:hover {
  background: var(--bg-page);
}

.main-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
}

.main-nav a:hover {
  background: var(--bg-page);
  color: var(--text-primary);
}

.main-nav .main-nav-link {
  background: none;
  border: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font);
  transition: color 0.15s, background 0.15s;
}

.main-nav .main-nav-link:hover {
  background: var(--bg-page);
  color: var(--text-primary);
}

/* Main content */
.school-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Hero – compact, spread horizontally */
.hero-section {
  padding: 1rem 0 1.5rem;
  margin-bottom: 0.25rem;
}

.hero-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1.5rem;
  row-gap: 0.35rem;
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--school-blue);
  background: rgba(37, 99, 235, 0.1);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  letter-spacing: 0.01em;
  flex-shrink: 0;
}

.hero-section h1 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.2;
  flex-shrink: 0;
}

.hero-tagline {
  font-size: 1rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
  flex: 1 1 100%;
  max-width: 100%;
}

@media (min-width: 640px) {
  .hero-tagline {
    flex: 1 1 auto;
    min-width: 0;
    max-width: none;
  }
}

/* Content below tools – how to & about (card style) */
.content-below {
  margin-top: 4rem;
  padding: 2rem 2rem 2.5rem;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-subtle);
  max-width: 100%;
}

.content-below h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 1.25rem;
  letter-spacing: -0.02em;
}

.content-below h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 1.5rem 0 0.5rem;
}

.how-to-list {
  margin: 0 0 1rem;
  padding-left: 1.35rem;
  color: var(--text-muted);
  line-height: 1.6;
  column-count: 1;
  column-gap: 2.5rem;
}

.how-to-list li {
  margin-bottom: 0.5rem;
  break-inside: avoid;
}

.how-to-list code {
  font-size: 0.9em;
  background: var(--bg-page);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

@media (min-width: 720px) {
  .how-to-list {
    column-count: 2;
  }
}

@media (min-width: 1000px) {
  .how-to-list {
    column-count: 3;
  }
}

.about-blurb {
  margin-top: 1.5rem;
}

.about-blurb p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.65;
}

.about-blurb a {
  color: var(--school-blue);
  font-weight: 600;
  text-decoration: none;
}

.about-blurb a:hover {
  text-decoration: underline;
}

.hero {
  background: linear-gradient(135deg, var(--school-green) 0%, #1b4332 100%);
  color: white;
  padding: 3rem 2rem;
  border-radius: 12px;
  margin-bottom: 2rem;
  text-align: center;
}

.hero h1 {
  margin: 0 0 0.5rem;
  font-size: 2rem;
}

.hero p {
  margin: 0;
  opacity: 0.95;
}

.tools-section h2 {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 1.5rem;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  text-align: center;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
  cursor: pointer;
  font-family: var(--font);
  width: 100%;
}

.tool-card[href] {
  cursor: pointer;
}

.tool-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: transparent;
}

.tool-card:focus {
  outline: 2px solid var(--school-blue);
  outline-offset: 2px;
}

.tool-icon {
  font-size: 1.75rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: rgba(37, 99, 235, 0.08);
  border-radius: 10px;
}

.tool-card .tool-icon:not(.tool-icon-svg) {
  font-size: 1.75rem;
}

.tool-icon-svg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  color: var(--school-blue);
  background: rgba(37, 99, 235, 0.08);
  border-radius: 10px;
}

.tool-icon-svg svg {
  width: 1.75rem;
  height: 1.75rem;
  display: block;
}

.tool-label {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--text-primary);
}

.tool-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* Tool modals (all tools open in popups) */
.tool-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

.tool-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.tool-modal {
  background: var(--school-white);
  border-radius: 12px;
  max-width: 840px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
  transform: scale(0.95);
  transition: transform 0.2s;
}

.tool-modal-overlay.open .tool-modal {
  transform: scale(1);
}

.tool-modal-scroll .tool-modal-body {
  overflow-y: auto;
  max-height: 78vh;
}

.tool-modal-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid #dee2e6;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.tool-modal-header h2 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--school-blue);
}

.tool-modal-close {
  background: none;
  border: none;
  font-size: 1.75rem;
  color: var(--school-gray);
  cursor: pointer;
  line-height: 1;
  padding: 0 0.25rem;
}

.tool-modal-close:hover {
  color: #333;
}

.tool-modal-body {
  padding: 1rem 1.25rem;
  overflow-y: auto;
}

@media (max-width: 520px) {
  .tool-modal {
    max-width: 96vw;
  }
}

.tool-modal-body .calculator {
  margin: 0 auto;
}

/* Tool content (inside modals) */
.formula-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: flex-end;
  margin-bottom: 1rem;
}

.formula-filters .formula-search-label {
  margin-bottom: 0.25rem;
}

.formula-filters .converter-select {
  min-width: 160px;
}

.formula-filters .formula-search {
  flex: 1;
  min-width: 200px;
  margin-bottom: 0;
}

.formula-search-label {
  display: block;
  font-size: 0.9rem;
  color: #495057;
  margin-bottom: 0.35rem;
}

.formula-search {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  font-family: var(--font);
  margin-bottom: 1rem;
}

.formula-search:focus {
  outline: none;
  border-color: var(--school-blue);
}

.formula-section {
  margin-bottom: 1.25rem;
}

.formula-section h3 {
  font-size: 1rem;
  color: var(--school-blue);
  margin: 0 0 0.5rem;
}

.formula-section ul {
  margin: 0;
  padding-left: 1.25rem;
  color: #495057;
  line-height: 1.6;
}

.formula-section li {
  margin-bottom: 0.25rem;
}

.flashcard-builder {
  margin-bottom: 1.25rem;
}

.flashcard-builder label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: #495057;
}

.flashcard-builder input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  font-family: var(--font);
  margin-top: 0.25rem;
}

.flashcard-builder .btn {
  margin-top: 0.5rem;
}

.flashcard-study {
  border-top: 1px solid #dee2e6;
  padding-top: 1rem;
}

.flashcard-display {
  min-height: 100px;
  padding: 1rem;
  background: #f1f3f5;
  border-radius: 8px;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.flashcard-text {
  font-size: 1.1rem;
  color: #333;
}

.flashcard-nav {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.flashcard-count {
  text-align: center;
  font-size: 0.875rem;
  color: var(--school-gray);
  margin: 0;
}

.pomodoro-display {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  font-variant-numeric: tabular-nums;
  margin: 1rem 0;
  color: var(--school-blue);
}

.pomodoro-phase {
  text-align: center;
  font-weight: 600;
  color: var(--school-blue);
  margin: 0 0 1rem;
}

.pomodoro-settings {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.pomodoro-settings label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.95rem;
  color: #495057;
}

.pomodoro-settings input {
  width: 3.5rem;
  padding: 0.4rem 0.5rem;
  border: 1px solid #dee2e6;
  border-radius: 6px;
  font-family: var(--font);
}

/* Inputs used by additional tools */
.tool-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 1rem;
}

.tool-input:focus {
  outline: none;
  border-color: var(--school-blue);
}

/* GPA calculator */
.gpa-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.gpa-table-wrap {
  overflow-x: auto;
  border: 1px solid #dee2e6;
  border-radius: 10px;
}

.gpa-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}

.gpa-table th,
.gpa-table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid #dee2e6;
  text-align: left;
  vertical-align: middle;
  color: #495057;
}

.gpa-table th {
  background: #f8f9fa;
  color: var(--school-blue);
  font-weight: 700;
}

.gpa-table td:last-child {
  width: 1%;
  white-space: nowrap;
}

.gpa-remove {
  background: none;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  padding: 0.35rem 0.6rem;
  cursor: pointer;
  font-family: var(--font);
}

.gpa-remove:hover {
  border-color: #dc3545;
  color: #dc3545;
}

.gpa-result {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid #dee2e6;
  color: #495057;
}

.gpa-result strong {
  font-size: 1.25rem;
  color: var(--school-blue);
}

.gpa-chart-wrap {
  height: 200px;
  margin-top: 1rem;
}

/* Checklist */
.checklist-add {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.checklist-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 1rem;
}

.checklist-input:focus {
  outline: none;
  border-color: var(--school-blue);
}

.checklist-list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.75rem;
  max-height: 260px;
  overflow-y: auto;
  border: 1px solid #dee2e6;
  border-radius: 10px;
}

.checklist-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid #eef1f4;
}

.checklist-item:last-child {
  border-bottom: none;
}

.checklist-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
}

.checklist-text {
  color: #495057;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.checklist-text.done {
  text-decoration: line-through;
  color: var(--school-gray);
}

.checklist-remove {
  background: none;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  padding: 0.35rem 0.6rem;
  cursor: pointer;
  font-family: var(--font);
}

.checklist-remove:hover {
  border-color: #dc3545;
  color: #dc3545;
}

.checklist-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Citations */
.citation-controls {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 0.75rem;
}

.citation-controls label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: #495057;
  font-size: 0.9rem;
}

.citation-fields label {
  display: block;
  margin-bottom: 0.6rem;
  color: #495057;
  font-size: 0.9rem;
}

.citation-output-wrap {
  margin-top: 0.75rem;
  border-top: 1px solid #dee2e6;
  padding-top: 0.75rem;
}

.citation-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* Shared form/layout helpers for tools */
.tool-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.tool-form-grid-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.tool-form-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: #495057;
  font-size: 0.9rem;
}

.tool-actions-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin: 0.5rem 0 0.75rem;
}

.result-box {
  border: 1px solid #dee2e6;
  border-radius: 10px;
  background: #f8f9fa;
  padding: 0.75rem 1rem;
  color: #495057;
  line-height: 1.5;
  min-height: 2.5rem;
}
.result-box p { margin: 0.35em 0; }
.result-box p:first-child { margin-top: 0; }
.result-box .q-result-text { font-size: 0.9rem; }

/* Typing test */
.typing-controls {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.typing-controls label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: #495057;
  font-size: 0.9rem;
}

.typing-text {
  border: 1px solid #dee2e6;
  border-radius: 10px;
  background: #f1f3f5;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  color: #333;
  line-height: 1.55;
}

.typing-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  color: var(--school-gray);
  margin-bottom: 0.5rem;
}

.typing-metrics strong {
  color: var(--school-blue);
}

/* Cornell notes */
.cornell-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

.cornell-preview {
  border-top: 1px solid #dee2e6;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  color: #495057;
  font-size: 0.95rem;
}

.cornell-preview .cn-title {
  font-weight: 800;
  color: var(--school-blue);
  margin-bottom: 0.5rem;
}

.cornell-preview .cn-box {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 0.75rem;
}

.cornell-preview .cn-col {
  border: 1px solid #dee2e6;
  border-radius: 10px;
  background: #fff;
  padding: 0.75rem;
  min-height: 140px;
  white-space: pre-wrap;
}

.cornell-preview .cn-summary {
  margin-top: 0.75rem;
  border: 1px solid #dee2e6;
  border-radius: 10px;
  background: #fff;
  padding: 0.75rem;
  white-space: pre-wrap;
}

@media (max-width: 800px) {
  .cornell-grid,
  .cornell-preview .cn-box {
    grid-template-columns: 1fr;
  }
  .tool-form-grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Math practice */
.practice-settings {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.practice-settings label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: #495057;
  font-size: 0.9rem;
}

.practice-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.practice-card {
  border-top: 1px solid #dee2e6;
  padding-top: 0.75rem;
}

.practice-progress {
  color: var(--school-gray);
  font-size: 0.9rem;
  text-align: center;
}

.practice-question {
  font-size: 2rem;
  font-weight: 800;
  color: var(--school-blue);
  text-align: center;
  margin: 0.75rem 0;
  font-variant-numeric: tabular-nums;
}

.practice-answer-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.practice-answer-row .tool-input {
  width: 160px;
}

.practice-feedback {
  text-align: center;
  margin-top: 0.75rem;
  font-weight: 700;
}

.practice-score {
  text-align: center;
  margin-top: 0.5rem;
  color: #495057;
}

@media (max-width: 700px) {
  .practice-settings {
    grid-template-columns: 1fr;
  }
}

.tool-hint {
  color: var(--school-gray);
  font-size: 0.9rem;
  margin: 0 0 0.75rem;
}

.tool-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 1rem;
  resize: vertical;
  margin-bottom: 1rem;
}

.tool-textarea:focus {
  outline: none;
  border-color: var(--school-blue);
}

/* Timer */
.timer-tabs,
.converter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.timer-tab,
.converter-tab {
  padding: 0.5rem 1rem;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  background: white;
  font-family: var(--font);
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--school-gray);
}

.timer-tab:hover,
.converter-tab:hover {
  border-color: var(--school-blue);
  color: var(--school-blue);
}

.timer-tab.active,
.converter-tab.active {
  background: var(--school-blue);
  border-color: var(--school-blue);
  color: white;
}

.timer-panel,
.converter-panel {
  display: none;
}

.timer-panel.active,
.converter-panel.active {
  display: block;
}

.timer-display {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  font-variant-numeric: tabular-nums;
  margin: 1rem 0;
  color: var(--school-blue);
}

.countdown-inputs {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.countdown-inputs label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.countdown-inputs input {
  width: 4rem;
  padding: 0.4rem 0.5rem;
  border: 1px solid #dee2e6;
  border-radius: 6px;
  font-family: var(--font);
  font-size: 1rem;
}

.timer-buttons,
.notes-tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}
.notes-tab-btn {
  padding: 0.35rem 0.75rem;
  font-size: 0.875rem;
  font-family: var(--font);
  font-weight: 600;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-muted);
  border-radius: 6px;
  cursor: pointer;
}
.notes-tab-btn.active {
  background: var(--school-blue);
  color: white;
  border-color: var(--school-blue);
}
.notes-pane {
  min-height: 1em;
}
.notes-preview-pane {
  padding: 0.75rem;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--bg-page);
  min-height: 200px;
}
.notes-preview-content {
  font-size: 0.9375rem;
  line-height: 1.6;
}
.notes-preview-content h1 { font-size: 1.25rem; }
.notes-preview-content h2 { font-size: 1.1rem; }
.notes-preview-content ul, .notes-preview-content ol { margin: 0.5rem 0; padding-left: 1.5rem; }
.notes-preview-content code { background: rgba(0,0,0,0.06); padding: 0.1rem 0.3rem; border-radius: 4px; }
.text-muted { color: var(--text-muted); }
.cornell-edit-pane { display: block; }

.notes-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.notes-char-count {
  font-size: 0.875rem;
  color: var(--school-gray);
}

.btn {
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--school-blue);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--school-blue-dark);
}

.btn-secondary {
  background: #e9ecef;
  color: #333;
  border: 1px solid #dee2e6;
}

.btn-secondary:hover {
  background: #dee2e6;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.lap-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  max-height: 160px;
  overflow-y: auto;
}

.lap-list li {
  padding: 0.35rem 0;
  border-bottom: 1px solid #eee;
  font-variant-numeric: tabular-nums;
}

/* Word counter */
.word-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  color: var(--school-gray);
  font-size: 0.95rem;
}

.word-stats strong {
  color: var(--school-blue);
}

/* Converter */
.converter-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.converter-input {
  width: 120px;
  padding: 0.5rem 0.75rem;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 1rem;
}

.converter-input:focus {
  outline: none;
  border-color: var(--school-blue);
}

.converter-input[readonly] {
  background: #f8f9fa;
  color: #495057;
}

.converter-select {
  flex: 1;
  min-width: 140px;
  padding: 0.5rem 0.75rem;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 1rem;
  background: white;
}

.calculator-section {
  margin-bottom: 2rem;
}

.calculator-wrapper {
  display: flex;
  justify-content: center;
}

.calculator {
  background: linear-gradient(180deg, #3a3a3c 0%, #2c2c2e 100%);
  border-radius: 16px;
  padding: 1rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
  max-width: 320px;
}

.calc-expr-wrap {
  display: block;
  margin-bottom: 0.5rem;
}
.calc-expr-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}
.calc-expr-input {
  width: 100%;
  padding: 0.4rem 0.5rem;
  font-size: 0.9rem;
  font-family: var(--font);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  background: var(--bg-card);
}
.calc-display {
  background: #1c1c1e;
  color: #e8eaed;
  font-size: 2rem;
  font-weight: 600;
  text-align: right;
  padding: 1rem 1rem 0.75rem;
  border-radius: 10px;
  margin-bottom: 0.75rem;
  min-height: 3rem;
  font-variant-numeric: tabular-nums;
  word-break: break-all;
}

.calc-keys {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.calc-btn {
  border: none;
  border-radius: 10px;
  font-size: 1.25rem;
  font-weight: 600;
  padding: 0.9rem;
  cursor: pointer;
  font-family: var(--font);
  transition: background 0.15s, transform 0.1s;
}

.calc-btn:active {
  transform: scale(0.96);
}

.calc-btn.num {
  background: #505052;
  color: #e8eaed;
}

.calc-btn.num:hover {
  background: #5e5e62;
}

.calc-btn.fn {
  background: #636366;
  color: #e8eaed;
}

.calc-btn.fn:hover {
  background: #78787c;
}

.calc-btn.op {
  background: #ff9f0a;
  color: #1c1c1e;
}

.calc-btn.op:hover {
  background: #ffb340;
}

.calc-btn.eq {
  background: #ff9f0a;
  color: #1c1c1e;
}

.calc-btn.eq:hover {
  background: #ffb340;
}

.calc-btn.wide {
  grid-column: span 2;
}

.calc-btn.sci {
  background: #3a3a3c;
  color: #a0e0ff;
  font-size: 0.9rem;
  padding: 0.5rem;
}

.calc-btn.sci:hover {
  background: #48484a;
}

.calculator .calc-keys {
  grid-template-columns: repeat(4, 1fr);
}

.calculator .calc-keys .sci {
  grid-column: span 1;
}

/* Second row of scientific keys - 9 buttons in a row under the main grid */
.calculator .calc-keys .sci:nth-child(n+17) {
  grid-column: span 1;
}

.placeholder-section {
  background: white;
  border: 1px solid #dee2e6;
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.placeholder-section p {
  color: var(--school-gray);
  margin: 0;
}

.school-footer {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 3rem;
}

.school-footer p {
  margin: 0;
}

.footer-links {
  margin-top: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s;
}

.footer-links a:hover {
  color: var(--school-blue);
}

.footer-sep {
  color: var(--border-subtle);
}

/* ----- Games page ----- */
.games-page {
  background: #0f0f12;
  color: #e8eaed;
  min-height: 100vh;
}

.games-footer {
  padding: 1.25rem 1.5rem 2rem;
  text-align: center;
  color: #a0a0a5;
}

.footer-links-dark a {
  color: #e8eaed;
}

.footer-links-dark a:hover {
  color: #ff9f0a;
  text-decoration: none;
}

.footer-links-dark .footer-sep {
  color: #6e6e73;
}

/* Resources modal (on index page) */
.resources-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 250;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

.resources-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.resources-modal-panel {
  background: linear-gradient(180deg, #1a1a1f 0%, #0f0f12 100%);
  width: 100%;
  max-width: 1200px;
  max-height: 95vh;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.resources-modal-header {
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

.resources-modal-overlay .games-controls {
  flex-shrink: 0;
}

.resources-modal-overlay #gamesContainer {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.resources-modal-overlay .pagination {
  flex-shrink: 0;
  margin-top: auto;
  padding: 1rem 1.5rem;
  border-top: 1px solid #2a2a2e;
  background: #1a1a1f;
}

.resources-modal-overlay .modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 260;
}

.games-header {
  background: linear-gradient(180deg, #1a1a1f 0%, #0f0f12 100%);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  border-bottom: 1px solid #2a2a2e;
  position: sticky;
  top: 0;
  z-index: 100;
}

.games-header-right {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.games-nav {
  display: inline-flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.games-nav a {
  color: #a0a0a5;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  border: 1px solid transparent;
}

.games-nav a:hover {
  color: #fff;
  border-color: #2a2a2e;
  background: rgba(255,255,255,0.06);
}

.games-header h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
}

.teacher-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: #2d6a4f;
  color: white;
  border: none;
  border-radius: 8px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}

.teacher-btn:hover {
  background: #1b4332;
}

.games-controls {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.search-wrap {
  flex: 1;
  min-width: 200px;
  max-width: 320px;
}

.search-wrap input {
  width: 100%;
  padding: 0.6rem 1rem 0.6rem 2.5rem;
  border: 1px solid #3a3a3e;
  border-radius: 8px;
  background: #1c1c1e;
  color: #e8eaed;
  font-family: var(--font);
  font-size: 1rem;
}

.search-wrap input::placeholder {
  color: #6e6e73;
}

.search-wrap input:focus {
  outline: none;
  border-color: #ff9f0a;
}

.sort-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sort-wrap label {
  color: #a0a0a5;
  font-size: 0.9rem;
}

.sort-wrap select {
  padding: 0.6rem 2rem 0.6rem 0.75rem;
  border: 1px solid #3a3a3e;
  border-radius: 8px;
  background: #1c1c1e;
  color: #e8eaed;
  font-family: var(--font);
  font-size: 0.95rem;
  cursor: pointer;
}

.sort-wrap select:focus,
.filter-wrap select:focus {
  outline: none;
  border-color: #ff9f0a;
}

.filter-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-wrap label {
  color: #a0a0a5;
  font-size: 0.9rem;
}

.filter-wrap select {
  padding: 0.6rem 2rem 0.6rem 0.75rem;
  border: 1px solid #3a3a3e;
  border-radius: 8px;
  background: #1c1c1e;
  color: #e8eaed;
  font-family: var(--font);
  font-size: 0.95rem;
  cursor: pointer;
  min-width: 140px;
}

.games-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem;
}

.game-card {
  background: #1c1c1e;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #2a2a2e;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.game-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  border-color: #3a3a3e;
}

.game-thumb {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background: #0f0f12;
}

.game-info {
  padding: 0.75rem;
}

.game-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin: 0 0 0.25rem;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: #ffffff;
}

.game-category {
  font-size: 0.75rem;
  color: #ff9f0a;
  margin: 0;
}

.pagination {
  max-width: 1200px;
  margin: 0 auto 2rem;
  padding: 0 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pagination button {
  padding: 0.5rem 0.9rem;
  border: 1px solid #3a3a3e;
  border-radius: 8px;
  background: #1c1c1e;
  color: #e8eaed;
  font-family: var(--font);
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.pagination button:hover:not(:disabled) {
  background: #2a2a2e;
  border-color: #ff9f0a;
}

.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination button.active {
  background: #ff9f0a;
  border-color: #ff9f0a;
  color: #1c1c1e;
}

.pagination .page-info {
  color: #a0a0a5;
  font-size: 0.9rem;
  padding: 0 0.5rem;
}

.games-loading,
.games-error {
  text-align: center;
  padding: 3rem 1.5rem;
  color: #a0a0a5;
}

.games-error {
  color: #ff6b6b;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
}

.modal {
  background: #1c1c1e;
  border-radius: 12px;
  max-width: 1200px;
  width: 100%;
  height: 90vh;
  max-height: 90vh;
  overflow: hidden;
  border: 1px solid #2a2a2e;
  display: flex;
  flex-direction: column;
}

.modal-header-left {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.modal-subtitle {
  color: #a0a0a5;
  font-size: 0.85rem;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 65vw;
}

.modal-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-action {
  padding: 0.45rem 0.75rem;
  border: 1px solid #3a3a3e;
  border-radius: 8px;
  background: #2a2a2e;
  color: #e8eaed;
  font-family: var(--font);
  font-size: 0.9rem;
  cursor: pointer;
}

.modal-action:hover {
  border-color: #ff9f0a;
}

.modal-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid #2a2a2e;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.modal-header h2 {
  margin: 0;
  font-size: 1.25rem;
}

.modal-close {
  background: none;
  border: none;
  color: #a0a0a5;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0 0.25rem;
  line-height: 1;
}

.modal-close:hover {
  color: #fff;
}

.modal-frame-wrap {
  padding: 0.75rem 1.25rem 0.75rem;
  background: #0f0f12;
  flex: 1;
  min-height: 0;
  display: flex;
}

.modal-frame-wrap iframe {
  width: 100%;
  height: 100%;
  flex: 1;
  border: none;
  border-radius: 8px;
  background: #0b0b0d;
}

.modal-details {
  padding: 0.9rem 1.25rem 1.1rem;
  border-top: 1px solid #2a2a2e;
  background: linear-gradient(180deg, #1c1c1e 0%, #171719 100%);
  overflow-y: auto;
  max-height: 26vh;
}

.details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.details-block h3 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
  color: #ff9f0a;
}

.details-block p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: #c0c0c5;
}

@media (max-width: 900px) {
  .details-grid {
    grid-template-columns: 1fr;
  }
  .modal-subtitle {
    max-width: 55vw;
  }
}

@media (max-width: 600px) {
  .modal {
    height: 94vh;
    max-height: 94vh;
  }
  .modal-frame-wrap {
    min-height: 52vh;
    padding: 0.75rem 0.75rem 0.75rem;
  }
  .modal-details {
    padding: 0.75rem 0.75rem 0.9rem;
    max-height: 30vh;
  }
}

@media (max-width: 600px) {
  .calculator .calc-keys {
    grid-template-columns: repeat(4, 1fr);
  }
  .calc-btn.sci {
    font-size: 0.75rem;
    padding: 0.4rem;
  }
}

/* ----- Periodic table ----- */
.periodic-table-loading {
  padding: 1.5rem;
  text-align: center;
  color: var(--text-muted);
}

.periodic-table-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: flex-start;
}

.periodic-table-grid {
  display: grid;
  grid-template-columns: minmax(1.5em, 2em) repeat(18, 1fr);
  gap: 3px;
  font-size: clamp(0.65rem, 1.8vw, 0.85rem);
  min-width: 0;
}

.pt-corner {
  min-width: 0;
  aspect-ratio: 1;
  grid-column: 1;
}

.pt-group-label {
  min-width: 0;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7em;
  font-weight: 600;
  color: var(--text-muted);
}

.pt-period-label {
  min-width: 0;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7em;
  font-weight: 600;
  color: var(--text-muted);
}

.pt-cell {
  min-width: 32px;
  min-height: 32px;
  aspect-ratio: 1;
  padding: 4px;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.pt-cell:hover:not(:disabled) {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
  z-index: 1;
}

.pt-cell-empty {
  background: transparent;
  border-color: transparent;
  cursor: default;
}

.pt-cell-gap {
  min-width: 12px;
}

.pt-num {
  font-size: 0.65em;
  opacity: 0.85;
  line-height: 1;
}

.pt-sym {
  font-weight: 700;
  line-height: 1.1;
}

.pt-type-alkali { background: #f59e0b; color: #fff; border-color: #d97706; }
.pt-type-alkaline { background: #eab308; color: #1c1917; border-color: #ca8a04; }
.pt-type-transition { background: #3b82f6; color: #fff; border-color: #2563eb; }
.pt-type-noble { background: #06b6d4; color: #fff; border-color: #0891b2; }
.pt-type-nonmetal { background: #22c55e; color: #fff; border-color: #16a34a; }
.pt-type-metalloid { background: #a855f7; color: #fff; border-color: #9333ea; }
.pt-type-other { background: #94a3b8; color: #fff; border-color: #64748b; }

body.body-night .pt-type-alkali { background: #b45309; border-color: #92400e; }
body.body-night .pt-type-alkaline { background: #a16207; border-color: #854d0e; color: #fef3c7; }
body.body-night .pt-type-transition { background: #2563eb; border-color: #1d4ed8; }
body.body-night .pt-type-noble { background: #0891b2; border-color: #0e7490; }
body.body-night .pt-type-nonmetal { background: #16a34a; border-color: #15803d; }
body.body-night .pt-type-metalloid { background: #7e22ce; border-color: #6b21a8; }
body.body-night .pt-type-other { background: #64748b; border-color: #475569; }

.pt-detail {
  flex: 1;
  min-width: 200px;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  background: var(--border-subtle);
  font-size: 0.9rem;
}

.pt-detail-placeholder {
  margin: 0;
  color: var(--text-muted);
}

.pt-detail-content {
  margin: 0;
}

.pt-detail-content .pt-detail-title {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.pt-detail-content p {
  margin: 0.25rem 0;
  line-height: 1.4;
}

@media (min-width: 900px) {
  .periodic-table-grid {
    font-size: clamp(0.75rem, 1.5vw, 0.9rem);
  }
  .pt-cell {
    min-width: 38px;
    min-height: 38px;
    padding: 5px;
  }
}

/* ----- About / Privacy / Terms page layout ----- */
.page-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 1.25rem;
  align-items: start;
}

@media (max-width: 980px) {
  .page-layout {
    grid-template-columns: 1fr;
  }
}

.page-toc {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1rem 1rem 0.75rem;
  position: sticky;
  top: 4.5rem;
}

@media (max-width: 980px) {
  .page-toc {
    position: relative;
    top: auto;
  }
}

.page-toc-title {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.page-toc-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.page-toc-list a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
}

.page-toc-list a:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

.page-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem 1.5rem 1.75rem;
  max-width: 100%;
}

.page-meta {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.page-h2 {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 1.6rem 0 0.6rem;
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-card p {
  margin: 0.5rem 0;
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 1rem;
}

.page-card a {
  color: var(--school-blue);
  font-weight: 700;
  text-decoration: none;
}

.page-card a:hover {
  text-decoration: underline;
}

.page-list {
  margin: 0.6rem 0 0.6rem;
  padding-left: 1.25rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.page-list li {
  margin: 0.25rem 0;
}

.section-icon {
  width: 1.2rem;
  height: 1.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--school-blue);
  background: rgba(37, 99, 235, 0.10);
  border-radius: 10px;
  padding: 0.35rem;
  flex: 0 0 auto;
}

.section-icon svg {
  width: 1.05rem;
  height: 1.05rem;
  display: block;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 0.75rem 0 0.25rem;
}

@media (max-width: 700px) {
  .info-grid {
    grid-template-columns: 1fr;
  }
}

.info-card {
  background: var(--bg-page);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
}

.info-card-title {
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}