/* ==========================================================================
   SOMACLASS — VIDEO COURSE & LESSON VIEWER ACADEMY STYLES
   Namespace: .sc-*
   ========================================================================== */

:root {
  --sc-bg: #f8fafc;
  --sc-card-bg: #ffffff;
  --sc-dark-player: #0b0f19;
  --sc-primary: #2563eb;
  --sc-primary-hover: #1d4ed8;
  --sc-primary-light: #eff6ff;
  --sc-accent: #0ea5e9;
  --sc-success: #10b981;
  --sc-success-light: #ecfdf5;
  --sc-warning: #f59e0b;
  --sc-border: #e2e8f0;
  --sc-border-light: #f1f5f9;
  --sc-text-main: #0f172a;
  --sc-text-muted: #64748b;
  --sc-text-subtle: #94a3b8;
  --sc-radius-sm: 8px;
  --sc-radius-md: 14px;
  --sc-radius-lg: 20px;
  --sc-shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --sc-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --sc-shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.04);
}

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

body.sc-body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--sc-bg);
  color: var(--sc-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* TOP NAVBAR */
.sc-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--sc-border);
  padding: 14px 28px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.sc-header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sc-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--sc-text-main);
}

.sc-brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 17px;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

.sc-brand-title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.sc-brand-tagline {
  font-size: 11px;
  color: var(--sc-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sc-header-center {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sc-course-progress-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: #f1f5f9;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  color: var(--sc-text-muted);
}

.sc-mini-bar {
  width: 70px;
  height: 6px;
  background-color: #cbd5e1;
  border-radius: 3px;
  overflow: hidden;
}

.sc-mini-fill {
  height: 100%;
  width: 25%;
  background-color: var(--sc-primary);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.sc-nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.sc-nav-links a {
  font-size: 14px;
  font-weight: 600;
  color: var(--sc-text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.sc-nav-links a:hover, .sc-nav-links a.sc-active {
  color: var(--sc-primary);
}

/* MAIN CLASSROOM WRAPPER */
.sc-classroom-wrapper {
  max-width: 1400px;
  margin: 28px auto 60px;
  padding: 0 28px;
  width: 100%;
  flex: 1;
}

.sc-classroom-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 28px;
  margin-bottom: 40px;
}

/* LEFT: VIDEO PLAYER & LESSON CANVAS */
.sc-lesson-canvas {
  display: flex;
  flex-direction: column;
}

.sc-video-player-box {
  background-color: var(--sc-dark-player);
  border-radius: var(--sc-radius-lg);
  overflow: hidden;
  box-shadow: var(--sc-shadow-lg);
  position: relative;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sc-video-poster {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0.85;
  transition: opacity 0.3s ease;
}

.sc-play-trigger-btn {
  position: relative;
  z-index: 10;
  width: 72px;
  height: 72px;
  background: rgba(37, 99, 235, 0.9);
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease;
  box-shadow: 0 0 30px rgba(37, 99, 235, 0.6);
}

.sc-play-trigger-btn:hover {
  transform: scale(1.1);
  background: rgba(37, 99, 235, 1);
}

.sc-player-controls-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 10;
  color: #ffffff;
}

.sc-controls-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sc-control-btn {
  background: none;
  border: none;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  align-items: center;
  opacity: 0.9;
  transition: opacity 0.2s ease;
}

.sc-control-btn:hover {
  opacity: 1;
}

.sc-time-display {
  font-size: 12px;
  font-weight: 600;
  color: #e2e8f0;
  letter-spacing: 0.05em;
}

.sc-controls-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sc-quality-tag {
  font-size: 11px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.2);
  padding: 2px 6px;
  border-radius: 4px;
}

/* LESSON INFO HEADER */
.sc-lesson-meta-card {
  background-color: var(--sc-card-bg);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-lg);
  padding: 28px;
  margin-top: 20px;
  box-shadow: var(--sc-shadow-sm);
}

.sc-meta-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.sc-lesson-badge {
  font-size: 12px;
  font-weight: 700;
  color: var(--sc-primary);
  background-color: var(--sc-primary-light);
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
}

.sc-lesson-duration-pill {
  font-size: 12px;
  color: var(--sc-text-muted);
  font-weight: 600;
}

.sc-lesson-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--sc-text-main);
  line-height: 1.3;
  margin-bottom: 8px;
}

.sc-lesson-desc {
  font-size: 14px;
  color: var(--sc-text-muted);
  line-height: 1.6;
}

/* LESSON TABS */
.sc-lesson-tabs-nav {
  display: flex;
  gap: 10px;
  border-bottom: 1px solid var(--sc-border);
  margin-top: 24px;
  padding-bottom: 12px;
}

.sc-tab-btn {
  background: none;
  border: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--sc-text-muted);
  cursor: pointer;
  padding: 6px 14px;
  border-radius: var(--sc-radius-sm);
  transition: all 0.2s ease;
}

.sc-tab-btn:hover {
  color: var(--sc-primary);
  background-color: #f1f5f9;
}

.sc-tab-btn.sc-tab-active {
  color: var(--sc-primary);
  background-color: var(--sc-primary-light);
  font-weight: 700;
}

.sc-tab-pane {
  display: none;
  padding-top: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: #334155;
}

.sc-tab-pane.sc-pane-active {
  display: block;
}

.sc-action-row {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--sc-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sc-btn-complete {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  border: none;
  padding: 12px 24px;
  border-radius: var(--sc-radius-sm);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
  transition: all 0.2s ease;
}

.sc-btn-complete:hover {
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
  transform: translateY(-1px);
}

/* RIGHT: SYLLABUS PLAYLIST */
.sc-syllabus-card {
  background-color: var(--sc-card-bg);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-lg);
  padding: 24px;
  box-shadow: var(--sc-shadow-sm);
  height: fit-content;
}

.sc-syllabus-header {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--sc-border-light);
  margin-bottom: 18px;
}

.sc-syllabus-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--sc-text-main);
  margin-bottom: 4px;
}

.sc-syllabus-subtitle {
  font-size: 12px;
  color: var(--sc-text-muted);
}

.sc-playlist {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sc-module-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-md);
  background-color: #ffffff;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sc-module-item:hover {
  border-color: #cbd5e1;
  background-color: #f8fafc;
}

.sc-module-item.sc-module-active {
  border-color: var(--sc-primary);
  background-color: var(--sc-primary-light);
}

.sc-module-num {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background-color: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  color: var(--sc-text-muted);
  flex-shrink: 0;
}

.sc-module-item.sc-module-active .sc-module-num {
  background-color: var(--sc-primary);
  color: #ffffff;
}

.sc-module-item.sc-module-done .sc-module-num {
  background-color: var(--sc-success);
  color: #ffffff;
}

.sc-module-info {
  flex: 1;
}

.sc-module-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--sc-text-main);
  line-height: 1.4;
  margin-bottom: 4px;
}

.sc-module-meta {
  font-size: 11px;
  color: var(--sc-text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* CURRICULUM OVERVIEW SECTION */
.sc-curriculum-overview {
  background-color: var(--sc-card-bg);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-lg);
  padding: 36px;
  margin-bottom: 32px;
  box-shadow: var(--sc-shadow-sm);
}

.sc-overview-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--sc-text-main);
  margin-bottom: 12px;
}

.sc-overview-desc {
  font-size: 14px;
  color: var(--sc-text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.sc-pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.sc-pillar-box {
  background-color: #f8fafc;
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-md);
  padding: 20px;
}

.sc-pillar-box h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--sc-text-main);
  margin-bottom: 6px;
}

.sc-pillar-box p {
  font-size: 13px;
  color: var(--sc-text-muted);
  line-height: 1.5;
}

/* INSTRUCTOR STRIP */
.sc-instructor-strip {
  background-color: var(--sc-card-bg);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-lg);
  padding: 28px;
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
  box-shadow: var(--sc-shadow-sm);
}

.sc-instructor-img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--sc-primary);
  flex-shrink: 0;
}

.sc-instructor-info h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--sc-text-main);
  margin-bottom: 4px;
}

.sc-instructor-role {
  font-size: 12px;
  font-weight: 600;
  color: var(--sc-primary);
  margin-bottom: 8px;
}

.sc-instructor-info p {
  font-size: 13px;
  color: var(--sc-text-muted);
  line-height: 1.6;
}

/* SUBPAGE GENERIC CARD */
.sc-subpage-card {
  background-color: var(--sc-card-bg);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-lg);
  padding: 40px;
  box-shadow: var(--sc-shadow-sm);
  margin-bottom: 32px;
}

.sc-subpage-card h1 {
  font-size: 28px;
  font-weight: 800;
  color: var(--sc-text-main);
  margin-bottom: 8px;
}

.sc-subpage-card h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--sc-text-main);
  margin: 28px 0 12px;
}

.sc-subpage-card p {
  font-size: 14px;
  color: #334155;
  line-height: 1.8;
  margin-bottom: 16px;
}

.sc-subpage-card ul, .sc-subpage-card ol {
  margin-bottom: 20px;
  padding-left: 20px;
}

.sc-subpage-card li {
  margin-bottom: 8px;
  font-size: 14px;
  color: #334155;
}

/* FORMS */
.sc-form-group {
  margin-bottom: 20px;
}

.sc-form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--sc-text-main);
}

.sc-form-input, .sc-form-textarea, .sc-form-select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-sm);
  font-family: inherit;
  font-size: 14px;
  background-color: #ffffff;
}

.sc-form-input:focus, .sc-form-textarea:focus, .sc-form-select:focus {
  outline: none;
  border-color: var(--sc-primary);
  box-shadow: 0 0 0 3px var(--sc-primary-light);
}

/* FOOTER */
.sc-footer {
  background-color: #ffffff;
  border-top: 1px solid var(--sc-border);
  padding: 32px 28px;
  margin-top: auto;
}

.sc-footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.sc-footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
  flex-wrap: wrap;
}

.sc-footer-links a {
  font-size: 13px;
  color: var(--sc-text-muted);
  text-decoration: none;
}

.sc-footer-links a:hover {
  color: var(--sc-primary);
}

.sc-footer-copy {
  font-size: 12px;
  color: var(--sc-text-subtle);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .sc-classroom-grid {
    grid-template-columns: 1fr;
  }
  
  .sc-pillars-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sc-header-center {
    display: none;
  }
  
  .sc-classroom-wrapper {
    padding: 0 16px;
  }
  
  .sc-instructor-strip {
    flex-direction: column;
    text-align: center;
  }
  
  .sc-lesson-title {
    font-size: 20px;
  }
}