/**
 * SkillCertify Pro - Lesson Public Resources Stylesheet (Phase I.3C)
 *
 * Implements styling for:
 * - Watch & Learn YouTube Facade & Video Grid
 * - Official Documentation Cards
 * - Recommended Reading Cards
 * - References & Specifications Citation List
 *
 * @package Minimal Theme
 */

/* Section Layout Containers */
.scp-resource-section {
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid #E2E8F0;
}

.scp-resource-section-header {
  margin-bottom: 22px;
}

.scp-resource-section-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 6px;
}

.scp-badge-watch {
  color: #DC2626;
}

.scp-badge-docs {
  color: #2563EB;
}

.scp-badge-reading {
  color: #D97706;
}

.scp-badge-ref {
  color: #475569;
}

.scp-resource-section-title {
  font-size: 22px;
  font-weight: 800;
  color: #0F172A;
  margin: 0 0 6px 0;
  line-height: 1.3;
}

.scp-resource-section-desc {
  font-size: 14px;
  color: #64748B;
  margin: 0;
  line-height: 1.5;
}

/* ==========================================================================
   1. Watch & Learn (YouTube Facade & Grid)
   ========================================================================== */
.scp-watch-featured {
  margin-bottom: 24px;
}

.scp-watch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.scp-yt-facade {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.scp-yt-facade:hover {
  border-color: #CBD5E1;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.scp-yt-poster {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0A192F;
  cursor: pointer;
  overflow: hidden;
}

.scp-yt-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.scp-yt-facade:hover .scp-yt-thumb {
  transform: scale(1.02);
}

.scp-yt-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  background: rgba(37, 99, 235, 0.95);
  color: #FFFFFF;
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transition: background 0.2s ease, transform 0.2s ease;
  padding: 0;
  z-index: 2;
}

.scp-yt-play-btn svg {
  margin-left: 3px;
  fill: #FFFFFF;
}

.scp-yt-play-btn:hover,
.scp-yt-play-btn:focus-visible {
  background: #1D4ED8;
  transform: translate(-50%, -50%) scale(1.1);
  outline: 3px solid #60A5FA;
  outline-offset: 3px;
}

.scp-yt-duration {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(15, 23, 42, 0.88);
  color: #F8FAFC;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.3px;
  z-index: 2;
}

.scp-yt-iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.scp-yt-info {
  padding: 16px 20px;
  background: #FFFFFF;
}

.scp-yt-title {
  font-size: 16px;
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 6px;
  line-height: 1.35;
}

.scp-watch-featured .scp-yt-title {
  font-size: 18px;
}

.scp-yt-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #64748B;
  flex-wrap: wrap;
}

.scp-yt-channel {
  font-weight: 600;
  color: #334155;
}

/* ==========================================================================
   2. Official Documentation & Recommended Reading Cards
   ========================================================================== */
.scp-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 20px;
}

.scp-resource-card {
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.scp-resource-card:hover {
  border-color: #CBD5E1;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

.scp-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.scp-card-provider {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #2563EB;
}

.scp-reading-card .scp-card-provider {
  color: #D97706;
}

.scp-badge-official {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #ECFDF5;
  color: #047857;
  border: 1px solid #A7F3D0;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
  letter-spacing: 0.2px;
}

.scp-card-title {
  font-size: 17px;
  font-weight: 700;
  color: #0F172A;
  margin: 0 0 10px;
  line-height: 1.4;
}

.scp-card-title a {
  color: inherit;
  text-decoration: none;
}

.scp-card-title a:hover {
  color: #2563EB;
  text-decoration: underline;
}

.scp-card-desc {
  font-size: 14px;
  color: #475569;
  line-height: 1.55;
  margin: 0 0 12px;
}

.scp-resource-context-note {
  font-size: 13px;
  color: #334155;
  background: #F8FAFC;
  border-left: 3px solid #2563EB;
  padding: 8px 12px;
  border-radius: 0 6px 6px 0;
  margin: 10px 0 14px;
  line-height: 1.5;
  font-style: italic;
}

.scp-reading-card .scp-resource-context-note {
  border-left-color: #D97706;
}

.scp-card-footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid #F1F5F9;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.scp-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #2563EB;
  text-decoration: none;
  transition: gap 0.15s ease, color 0.15s ease;
}

.scp-reading-card .scp-card-link {
  color: #D97706;
}

.scp-card-link:hover {
  color: #1D4ED8;
  gap: 9px;
  text-decoration: underline;
}

.scp-reading-card .scp-card-link:hover {
  color: #B45309;
}

.scp-card-link svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
}

/* ==========================================================================
   3. References & Specifications (Compact Citations)
   ========================================================================== */
.scp-references-box {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 22px 28px;
}

.scp-references-list {
  margin: 0;
  padding-left: 20px;
  color: #475569;
}

.scp-reference-item {
  font-size: 14px;
  line-height: 1.65;
  margin-bottom: 12px;
  color: #1E293B;
}

.scp-reference-item:last-child {
  margin-bottom: 0;
}

.scp-reference-link {
  font-weight: 600;
  color: #2563EB;
  text-decoration: none;
}

.scp-reference-link:hover {
  text-decoration: underline;
  color: #1D4ED8;
}

.scp-reference-provider {
  font-weight: 600;
  color: #64748B;
  margin: 0 4px;
}

.scp-reference-note {
  display: inline-block;
  font-size: 13px;
  color: #64748B;
  font-style: italic;
  margin-left: 4px;
}

/* ==========================================================================
   Responsive Adaptations & Lesson Content Area
   ========================================================================== */
.scp-lesson-content-area {
  padding: 40px 0 80px;
  background: #F8FAFC;
  width: 100%;
  box-sizing: border-box;
}

.scp-lesson-card {
  max-width: 860px;
  margin: 0 auto;
  background: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 40px 48px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
  box-sizing: border-box;
  width: 100%;
}

@media (max-width: 768px) {
  .scp-resource-section {
    margin-top: 36px;
    padding-top: 28px;
  }

  .scp-resource-section-title {
    font-size: 20px;
  }

  .scp-cards-grid {
    grid-template-columns: 1fr;
  }

  .scp-watch-grid {
    grid-template-columns: 1fr;
  }

  .scp-references-box {
    padding: 16px 20px;
  }

  .scp-lesson-content-area {
    padding: 24px 0 60px;
  }

  .scp-lesson-card {
    padding: 30px 28px;
    border-radius: 10px;
  }
}

@media (max-width: 600px) {
  .scp-lesson-content-area {
    padding: 16px 0 40px;
  }

  .scp-lesson-card {
    padding: 20px 16px;
    border-radius: 8px;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
    width: 100%;
  }

  .scp-references-box {
    padding: 14px 16px;
  }
}

@media (max-width: 360px) {
  .scp-lesson-card {
    padding: 16px 12px;
  }
}