/* ============================================
   R.I.T.H.M - Tutorial Page Styles
   Shared styles for all game/tool tutorial pages.
   Builds on .page-container, .page-header, and
   .content-section from base.css.
   ============================================ */

/* Aliases: tutorials use the shared page patterns */
.tutorial-container { /* extends .page-container via HTML class */ }
.tutorial-header    { /* extends .page-header via HTML class */ }
.tutorial-section   { /* extends .content-section via HTML class */ }

/* Section icons are defined in game-common.css */

/* ── Tutorial Header Extras ───────────────── */

.tutorial-header .subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto;
}

/* ── Step Cards (numbered how-to-play steps) ─ */

.step-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.step-card {
  background: var(--input-bg);
  border-radius: 8px;
  padding: 1.25rem;
  text-align: center;
  position: relative;
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.step-card h4 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.step-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* ── Visual Diagram Container ─────────────── */

.diagram-box {
  background: var(--bg-secondary);
  border-radius: 8px;
  padding: 1.5rem 2rem;
  margin: 1.25rem 0;
  text-align: center;
  overflow-x: auto;
}

.diagram-box svg {
  max-width: 100%;
  height: auto;
}

/* ── Reference Tables ─────────────────────── */

.tutorial-table-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1rem 0;
}

.tutorial-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  min-width: 400px;
}

.tutorial-table th {
  background: var(--input-bg);
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.8rem;
  padding: 0.65rem 1rem;
  text-align: left;
}

.tutorial-table td {
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
}

.tutorial-table tr:hover td {
  background: var(--input-bg);
}

/* ── Info Cards (chord types, scale types) ── */

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}

.info-item {
  background: var(--input-bg);
  border-radius: 8px;
  padding: 1.25rem;
  text-align: center;
}

.info-item h4 {
  color: var(--text-primary);
  margin-bottom: 0.4rem;
  font-size: 1rem;
}

.info-item p {
  font-size: 0.88rem;
  margin: 0;
  color: var(--text-muted);
  line-height: 1.5;
}

.info-item .info-formula {
  font-family: 'Space Grotesk', monospace;
  font-size: 0.82rem;
  color: var(--primary);
  margin-top: 0.35rem;
}

/* Tip callout is defined in note-identification.css / game-common.css */

/* ── Warning Callout ──────────────────────── */

.warning-callout {
  background: rgba(242, 204, 143, 0.08);
  border-left: 3px solid var(--warning);
  border-radius: 0 8px 8px 0;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
}

.warning-callout p {
  margin: 0;
  color: var(--text-secondary);
}

.warning-callout strong {
  color: var(--warning);
}

/* ── Difficulty Breakdown ─────────────────── */

.difficulty-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}

.difficulty-card {
  background: var(--input-bg);
  border-radius: 8px;
  padding: 1.25rem;
  border-left: 4px solid var(--border-color);
}

.difficulty-card.beginner {
  border-left-color: var(--success);
}

.difficulty-card.intermediate {
  border-left-color: var(--warning);
}

.difficulty-card.advanced {
  border-left-color: var(--danger);
}

.difficulty-card h4 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.difficulty-card p,
.difficulty-card ul {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

.difficulty-card ul {
  padding-left: 1.25rem;
  margin-top: 0.35rem;
}

.difficulty-card li {
  margin-bottom: 0.25rem;
  line-height: 1.5;
}

/* ── Keyboard Mapping ─────────────────────── */

.key-map {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin: 1rem 0;
}

.key-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--input-bg);
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  font-size: 0.85rem;
}

.key-badge kbd {
  background: var(--bg-secondary);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-family: 'Space Grotesk', monospace;
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.key-badge span {
  color: var(--text-muted);
}

/* ── CTA Links ────────────────────────────── */

.cta-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

/* ── Try It Button ────────────────────────── */

.try-it-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

/* ── Responsive ───────────────────────────── */

@media (max-width: 576px) {
  .step-grid {
    grid-template-columns: 1fr;
  }

  .info-grid {
    grid-template-columns: 1fr 1fr;
  }

  .difficulty-grid {
    grid-template-columns: 1fr;
  }

  .diagram-box {
    padding: 1rem;
  }
}