/* === Boersema CC Foundations Dashboard === */

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  /* Prevent text selection and long-press callout menus on touch devices */
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

:root {
  --bg: #FAF7F2;
  --text: #2A2A2A;
  --text-muted: #6B6B6B;
  --accent: #1B4D7E;
  --card-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --card-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
  --radius: 16px;

  --c-history: #C44536;
  --c-science: #5BA84A;
  --c-latin: #8B4789;
  --c-math: #E8B14F;
  --c-english: #4A90A4;
  --c-geography: #4F8C5C;
  --c-timeline: #B25D44;
  --c-finearts: #D4847C;
  --c-bible: #5B6EAE;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  /* Prevent pull-to-refresh and rubber-band scroll bounce */
  overscroll-behavior: none;
  /* Safe area padding for black-translucent status bar */
  padding-top: env(safe-area-inset-top);
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  min-width: 44px;
  min-height: 44px;
}

a {
  color: var(--accent);
  text-decoration: none;
}

#app {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2rem);
}

.loading {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-muted);
  font-size: 1.2rem;
}

.error {
  background: #FDECEA;
  border: 1px solid #C44536;
  color: #8B2E22;
  padding: 1rem;
  border-radius: var(--radius);
  margin: 1rem 0;
}

/* === HOME — Header === */

.home-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
  padding-bottom: 1rem;
  border-bottom: 2px solid rgba(42, 42, 42, 0.08);
}

.school-title {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin: 0 0 0.25rem;
  color: var(--accent);
}

.cycle-week {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-muted);
  margin: 0;
}

.cycle-week strong {
  color: var(--text);
  font-weight: 600;
}

.week-nav {
  display: flex;
  gap: 0.5rem;
}

.week-nav button {
  background: white;
  border: 1px solid rgba(42, 42, 42, 0.15);
  border-radius: 12px;
  padding: 0.6rem 1rem;
  font-size: 0.95rem;
  color: var(--text);
  box-shadow: var(--card-shadow);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.week-nav button:active {
  transform: scale(0.96);
}

.week-nav button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* === HOME — Subject grid === */

.subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: clamp(0.75rem, 2vw, 1.25rem);
}

@media (min-width: 768px) {
  .subjects-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.subject-card {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem;
  color: white;
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 600;
  box-shadow: var(--card-shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  text-align: center;
}

.subject-card:not(.ghost):active {
  transform: scale(0.97);
  box-shadow: var(--card-shadow-hover);
}

.subject-card.ghost {
  opacity: 0.4;
  cursor: not-allowed;
}

.subject-icon {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  line-height: 1;
}

.subject-name {
  letter-spacing: 0.02em;
}

/* === SUBJECT PAGE === */

.subject-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: clamp(1.5rem, 4vw, 2rem);
  padding-bottom: 1rem;
  border-bottom: 2px solid rgba(42, 42, 42, 0.08);
}

.back-button {
  background: white;
  border: 1px solid rgba(42, 42, 42, 0.15);
  border-radius: 12px;
  padding: 0.6rem 1rem;
  box-shadow: var(--card-shadow);
  font-size: 1rem;
}

.back-button:active {
  transform: scale(0.96);
}

.intro-speaker {
  width: 52px;
  height: 52px;
  min-width: 52px;
  border-radius: 50%;
  border: none;
  color: white;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--card-shadow);
  transition: transform 0.15s ease;
  margin-left: auto;
}

.intro-speaker:active {
  transform: scale(0.92);
}

.intro-speaker.playing {
  animation: pulse 1.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,0,0,0.15); }
  50%       { box-shadow: 0 0 0 10px rgba(0,0,0,0); }
}

.subject-title {
  flex: 1;
  margin: 0;
  font-size: clamp(1.3rem, 3.5vw, 2rem);
  font-weight: 700;
}

.subject-title .week-tag {
  color: var(--text-muted);
  font-weight: 400;
  margin-right: 0.5rem;
}

.subject-color-bar {
  height: 6px;
  border-radius: 3px;
  margin-bottom: 1.5rem;
}

.section {
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.section-title {
  font-size: clamp(1.1rem, 2.4vw, 1.3rem);
  font-weight: 600;
  margin: 0 0 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-rule {
  border: none;
  height: 1px;
  background: rgba(42, 42, 42, 0.1);
  margin: 0 0 1rem;
}

.section-empty {
  color: var(--text-muted);
  font-style: italic;
  padding: 0.5rem 0;
}

/* === Memory work === */

.memory-text {
  -webkit-user-select: text;
  user-select: text;
  background: white;
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--card-shadow);
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.6;
  white-space: pre-wrap;
}

.memory-afrikaans {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px dashed rgba(42, 42, 42, 0.15);
  color: var(--text-muted);
  font-style: italic;
}

/* === Videos === */

.video-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cc-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: white;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  box-shadow: var(--card-shadow);
  border: 2px solid var(--accent);
  color: var(--accent);
  font-weight: 600;
  font-size: 1rem;
}

.cc-link:active {
  transform: scale(0.99);
}

.cc-link .label {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.cc-link .label-small {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.cc-link .arrow {
  font-size: 1.4rem;
}

.youtube-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: black;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.youtube-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* === Audio player === */

.audio-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.audio-player {
  background: white;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  box-shadow: var(--card-shadow);
}

.audio-title {
  font-weight: 600;
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
}

.audio-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.audio-play {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.audio-play:active {
  transform: scale(0.95);
}

.audio-seek {
  flex: 1;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(42, 42, 42, 0.15);
  border-radius: 3px;
  outline: none;
}

.audio-seek::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
}

.audio-seek::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--accent);
  border-radius: 50%;
  border: none;
  cursor: pointer;
}

.audio-time {
  font-variant-numeric: tabular-nums;
  font-size: 0.9rem;
  color: var(--text-muted);
  min-width: 80px;
  text-align: right;
}

.audio-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: space-between;
}

.speed-buttons {
  display: flex;
  gap: 0.4rem;
}

.speed-buttons button {
  border: 1px solid rgba(42, 42, 42, 0.2);
  border-radius: 10px;
  padding: 0.4rem 0.7rem;
  font-size: 0.9rem;
  background: white;
  min-width: 48px;
  font-weight: 500;
}

.speed-buttons button.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.loop-toggle {
  border: 1px solid rgba(42, 42, 42, 0.2);
  border-radius: 10px;
  padding: 0.4rem 0.9rem;
  font-size: 0.9rem;
  background: white;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.loop-toggle.active {
  background: #5BA84A;
  color: white;
  border-color: #5BA84A;
}

/* === PDF buttons === */

.pdf-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

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

.pdf-button {
  background: white;
  border: 1px solid rgba(42, 42, 42, 0.15);
  border-radius: 12px 0 0 12px;
  padding: 0.85rem 1.25rem;
  box-shadow: var(--card-shadow);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: var(--text);
  font-size: 0.95rem;
}

.pdf-button:active {
  transform: scale(0.98);
}

.pdf-button .pdf-icon {
  font-size: 1.2rem;
}

.pdf-print {
  background: white;
  border: 1px solid rgba(42, 42, 42, 0.15);
  border-left: none;
  border-radius: 0 12px 12px 0;
  padding: 0.85rem 1rem;
  box-shadow: var(--card-shadow);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  min-height: 48px;
}

.pdf-print:active {
  transform: scale(0.96);
  background: #f0f0f0;
}