/* ============================================================================
   CUSTOM STYLES FOR COPPHIL TRAINING SITE
   Additional styles that complement custom.scss
   ============================================================================ */

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mt-2 {
  margin-top: 2rem;
}

.mb-2 {
  margin-bottom: 2rem;
}

/* ============================================================================
   BADGE STYLES
   ============================================================================ */

.badge {
  display: inline-block;
  padding: 0.35em 0.65em;
  font-size: 0.85em;
  font-weight: 600;
  line-height: 1;
  color: #fff;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 0.25rem;
}

.badge-primary {
  background-color: #003399;
}

.badge-success {
  background-color: #28a745;
}

.badge-info {
  background-color: #17a2b8;
}

.badge-warning {
  background-color: #ffc107;
  color: #212529;
}

.badge-danger {
  background-color: #dc3545;
}

/* ============================================================================
   ICON STYLES
   ============================================================================ */

.icon-large {
  font-size: 3rem;
  margin-bottom: 1rem;
}

/* ============================================================================
   GRID LAYOUTS
   ============================================================================ */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.feature-card {
  position: relative;
  padding: 2rem;
  background: white;
  border: 1px solid rgba(0,0,0,.1);
  border-radius: 1rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

/* Gradient accent bar */
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #003399, #0066cc);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0,51,153,.15);
  border-color: rgba(0,51,153,.2);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.update-card {
  padding: 1.5rem;
  background: white;
  border: 1px solid rgba(0,0,0,.1);
  border-radius: 0.75rem;
  transition: all 0.3s ease;
}

.update-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,.1);
  transform: translateY(-2px);
}

.update-card h4 {
  color: #003399;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.update-card ul {
  margin-bottom: 0;
  padding-left: 1.25rem;
}

.update-card li {
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

/* ============================================================================
   TIMELINE
   ============================================================================ */

.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: #003399;
}

.timeline-item {
  position: relative;
  padding-bottom: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.45rem;
  top: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #003399;
  border: 3px solid white;
}

/* ============================================================================
   NOTEBOOK PREVIEW
   ============================================================================ */

.notebook-preview {
  border: 2px solid #f9ab00;
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin: 2rem 0;
  background-color: #fff9e6;
}

.notebook-preview h4 {
  color: #e37400;
  margin-top: 0;
}

/* ============================================================================
   PHILIPPINE EO AGENCY CARDS
   ============================================================================ */

.agency-card {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.5rem;
  border: 1px solid rgba(0,0,0,.1);
  border-radius: 0.75rem;
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.agency-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
  transform: translateY(-2px);
}

.agency-logo {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f8f9fa;
  border-radius: 0.5rem;
}

.agency-content {
  flex-grow: 1;
}

.agency-content h3 {
  margin-top: 0;
  color: #003399;
}

/* ============================================================================
   SENTINEL SATELLITE BADGES
   ============================================================================ */

.satellite-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, #003399 0%, #0038A8 100%);
  color: white;
  border-radius: 2rem;
  font-weight: 600;
  font-size: 0.9rem;
  margin: 0.25rem;
  box-shadow: 0 2px 4px rgba(0,51,153,.2);
}

/* ============================================================================
   SESSION NAVIGATION (Legacy - Kept for backward compatibility)
   ============================================================================ */

.session-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 3rem 0 2rem;
  padding-top: 2rem;
  border-top: 2px solid rgba(0,0,0,.08);
}

.session-nav-link {
  display: flex;
  flex-direction: column;
  padding: 1rem 1.5rem;
  border: 1px solid rgba(0,0,0,.1);
  border-radius: 0.75rem;
  text-decoration: none;
  color: #212529;
  transition: all 0.3s ease;
  max-width: 45%;
  min-height: 44px; /* Touch-friendly */
}

.session-nav-link:hover {
  background-color: #f8f9fa;
  text-decoration: none;
  color: #003399;
  box-shadow: 0 4px 12px rgba(0,0,0,.1);
  transform: translateY(-2px);
}

.session-nav-label {
  font-size: 0.875rem;
  text-transform: uppercase;
  font-weight: 600;
  color: #6c757d;
  margin-bottom: 0.5rem;
}

.session-nav-title {
  font-size: 1.125rem;
  font-weight: 600;
}

@media (max-width: 768px) {
  .session-nav {
    flex-direction: column;
  }

  .session-nav-link {
    max-width: none;
  }
}

/* ============================================================================
   QUICK LINKS
   ============================================================================ */

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0;
}

.quick-link {
  display: inline-flex;
  align-items: center;
  padding: 0.875rem 1.5rem;
  background-color: white;
  border: 2px solid #003399;
  color: #003399;
  text-decoration: none;
  border-radius: 0.75rem;
  font-weight: 600;
  transition: all 0.3s ease;
  min-height: 44px; /* Touch-friendly */
}

.quick-link:hover {
  background-color: #003399;
  color: white;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,51,153,.2);
}

/* ============================================================================
   RESPONSIVE VIDEO EMBEDS
   ============================================================================ */

.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  max-width: 100%;
  border-radius: 0.75rem;
  margin: 2rem 0;
  box-shadow: 0 4px 12px rgba(0,0,0,.1);
}

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

/* Video Download Section */
.video-download-section {
  margin: 3rem 0;
  padding: 0;
}

.video-download-card {
  background: white;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 2rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,.05);
}

.video-download-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0,51,153,.1);
  border-color: rgba(0,51,153,.2);
}

.video-download-card h3 {
  color: #003399;
  margin-bottom: 1rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.video-player-wrapper {
  position: relative;
  margin-bottom: 1.5rem;
}

.video-player-wrapper video {
  width: 100%;
  border-radius: 0.5rem;
  background: #000;
  box-shadow: 0 4px 12px rgba(0,0,0,.1);
}

.video-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  color: #6c757d;
}

.video-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  background: #f8f9fa;
  border-radius: 0.35rem;
  font-weight: 500;
}

.video-meta-item i {
  font-size: 1rem;
}

.video-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.video-actions .btn {
  flex: 1;
  min-width: 150px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .video-download-card {
    padding: 1rem;
  }

  .video-actions {
    flex-direction: column;
  }

  .video-actions .btn {
    width: 100%;
  }

  .video-meta {
    gap: 0.5rem;
  }

  .video-meta-item {
    font-size: 0.8rem;
    padding: 0.25rem 0.5rem;
  }
}

/* ============================================================================
   DARK MODE SUPPORT
   ============================================================================ */

[data-bs-theme="dark"] .feature-card,
[data-bs-theme="dark"] .update-card,
[data-bs-theme="dark"] .agency-card {
  background: #212529;
  border-color: rgba(255,255,255,.1);
}

[data-bs-theme="dark"] .feature-card:hover,
[data-bs-theme="dark"] .update-card:hover,
[data-bs-theme="dark"] .agency-card:hover {
  border-color: rgba(255,255,255,.2);
  box-shadow: 0 12px 24px rgba(0,0,0,.3);
}

[data-bs-theme="dark"] .notebook-preview {
  background-color: rgba(249, 171, 0, 0.1);
  border-color: #f9ab00;
}

[data-bs-theme="dark"] .quick-link {
  background-color: #212529;
  border-color: lighten(#003399, 30%);
  color: lighten(#003399, 30%);
}

[data-bs-theme="dark"] .quick-link:hover {
  background-color: #003399;
  color: white;
}

[data-bs-theme="dark"] .agency-logo {
  background-color: #343a40;
}

[data-bs-theme="dark"] .video-download-card {
  background: #212529;
  border-color: rgba(255,255,255,.1);
}

[data-bs-theme="dark"] .video-download-card:hover {
  border-color: rgba(255,255,255,.2);
  box-shadow: 0 8px 16px rgba(0,0,0,.3);
}

[data-bs-theme="dark"] .video-download-card h3 {
  color: #4d94ff;
}

[data-bs-theme="dark"] .video-meta {
  color: #adb5bd;
}

[data-bs-theme="dark"] .video-meta-item {
  background: #343a40;
  color: #adb5bd;
}

/* ============================================================================
   CURRICULUM TIMELINE (MODERN DAY BREAKDOWN)
   ============================================================================ */

.curriculum-timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin: 3rem 0;
}

.day-section {
  background: white;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 1rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.day-section:hover {
  box-shadow: 0 8px 24px rgba(0,51,153,.1);
  border-color: rgba(0,51,153,.2);
}

.day-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-bottom: 1px solid rgba(0,0,0,.08);
}

.day-number {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #003399 0%, #0066cc 100%);
  color: white;
  font-size: 1.75rem;
  font-weight: 700;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,51,153,.25);
}

.day-info {
  flex-grow: 1;
}

.day-info h3 {
  margin: 0 0 0.5rem 0;
  color: #212529;
  font-size: 1.5rem;
  font-weight: 600;
}

.day-info .duration {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #6c757d;
  font-size: 0.95rem;
  font-weight: 500;
}

.day-info .duration i {
  color: #003399;
}

.day-content {
  padding: 2rem;
}

.day-content p {
  margin-bottom: 1rem;
  line-height: 1.7;
  color: #495057;
}

.day-content strong {
  color: #212529;
  font-weight: 600;
}

.day-content .btn {
  margin-top: 1rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .day-header {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
  }

  .day-number {
    width: 56px;
    height: 56px;
    font-size: 1.5rem;
  }

  .day-info h3 {
    font-size: 1.25rem;
  }

  .day-content {
    padding: 1.5rem;
  }
}

/* Dark mode support */
[data-bs-theme="dark"] .day-section {
  background: #212529;
  border-color: rgba(255,255,255,.1);
}

[data-bs-theme="dark"] .day-section:hover {
  border-color: rgba(255,255,255,.2);
  box-shadow: 0 8px 24px rgba(0,0,0,.3);
}

[data-bs-theme="dark"] .day-header {
  background: linear-gradient(135deg, #2c3034 0%, #212529 100%);
  border-bottom-color: rgba(255,255,255,.1);
}

[data-bs-theme="dark"] .day-info h3 {
  color: #f8f9fa;
}

[data-bs-theme="dark"] .day-content p {
  color: #adb5bd;
}

[data-bs-theme="dark"] .day-content strong {
  color: #f8f9fa;
}

/* ============================================================================
   PREREQUISITES (MODERN WITH HEADER ON TOP)
   ============================================================================ */

.prereq-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin: 3rem 0;
}

.prereq-section {
  background: white;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 1rem;
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
}

.prereq-section:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,51,153,.12);
  border-color: rgba(0,51,153,.2);
}

/* Accent bar at top */
.prereq-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.prereq-required::before {
  background: linear-gradient(90deg, #28a745, #20c997);
}

.prereq-recommended::before {
  background: linear-gradient(90deg, #003399, #0066cc);
}

.prereq-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 2rem;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-bottom: 1px solid rgba(0,0,0,.08);
}

.prereq-header i {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.prereq-required .prereq-header i {
  color: #28a745;
}

.prereq-recommended .prereq-header i {
  color: #0066cc;
}

.prereq-header h3 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: #212529;
}

.prereq-content {
  padding: 2rem;
}

.prereq-content > p:first-child {
  font-weight: 600;
  font-size: 1.1rem;
  color: #495057;
  margin-bottom: 1rem;
  margin-top: 0;
}

.prereq-content ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.prereq-content li {
  margin-bottom: 0.75rem;
  line-height: 1.6;
  color: #495057;
}

.prereq-content .callout {
  margin-top: 1.5rem;
  font-size: 0.95rem;
}

.prereq-cta {
  text-align: center;
  padding: 2.5rem;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-radius: 1rem;
  margin: 3rem 0;
}

.prereq-cta p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: #495057;
}

.prereq-cta .btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1.1rem;
  min-height: 48px;
}

/* Responsive */
@media (max-width: 768px) {
  .prereq-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin: 2rem 0;
  }

  .prereq-header {
    padding: 1.25rem 1.5rem;
  }

  .prereq-header i {
    font-size: 2rem;
  }

  .prereq-header h3 {
    font-size: 1.25rem;
  }

  .prereq-content {
    padding: 1.5rem;
  }

  .prereq-cta {
    padding: 2rem 1.5rem;
  }
}

/* Dark mode */
[data-bs-theme="dark"] .prereq-section {
  background: #212529;
  border-color: rgba(255,255,255,.1);
}

[data-bs-theme="dark"] .prereq-section:hover {
  border-color: rgba(255,255,255,.2);
  box-shadow: 0 8px 24px rgba(0,0,0,.3);
}

[data-bs-theme="dark"] .prereq-header {
  background: linear-gradient(135deg, #2c3034 0%, #212529 100%);
  border-bottom-color: rgba(255,255,255,.08);
}

[data-bs-theme="dark"] .prereq-header h3 {
  color: #f8f9fa;
}

[data-bs-theme="dark"] .prereq-content > p:first-child {
  color: #adb5bd;
}

[data-bs-theme="dark"] .prereq-content li {
  color: #adb5bd;
}

[data-bs-theme="dark"] .prereq-cta {
  background: linear-gradient(135deg, #2c3034 0%, #212529 100%);
}

[data-bs-theme="dark"] .prereq-cta p {
  color: #adb5bd;
}

/* ============================================================================
   RESOURCE CARDS (MODERN)
   ============================================================================ */

.resource-card {
  padding: 2rem;
  background: white;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 1rem;
  text-align: center;
  transition: all 0.3s ease;
}

.resource-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,51,153,.12);
  border-color: rgba(0,51,153,.2);
}

.resource-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.75rem 0;
  color: #212529;
}

.resource-card p {
  color: #6c757d;
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.resource-card .btn {
  min-height: 44px;
}

/* Dark mode for resource cards */
[data-bs-theme="dark"] .resource-card {
  background: #212529;
  border-color: rgba(255,255,255,.1);
}

[data-bs-theme="dark"] .resource-card:hover {
  border-color: rgba(255,255,255,.2);
  box-shadow: 0 8px 24px rgba(0,0,0,.3);
}

[data-bs-theme="dark"] .resource-card h3 {
  color: #f8f9fa;
}

[data-bs-theme="dark"] .resource-card p {
  color: #adb5bd;
}

/* ============================================================================
   DOWNLOAD BOX
   ============================================================================ */

.download-box {
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
  border: 2px solid #2196f3;
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin: 1.5rem 0;
  text-align: center;
}

.download-box strong,
.download-box p {
  color: #1565c0;
  margin-bottom: 1rem;
}

.download-box .btn {
  margin-top: 0.5rem;
}

/* Dark mode for download box */
[data-bs-theme="dark"] .download-box {
  background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
  border-color: #5c6bc0;
}

[data-bs-theme="dark"] .download-box strong,
[data-bs-theme="dark"] .download-box p {
  color: #e3f2fd;
}

/* ============================================================================
   PRINT STYLES
   ============================================================================ */

@media print {
  .feature-card,
  .update-card,
  .quick-links,
  .video-container,
  .day-section,
  .resource-card {
    page-break-inside: avoid;
  }

  .feature-card:hover::before,
  .feature-card,
  .update-card,
  .agency-card,
  .day-section,
  .resource-card {
    transform: none !important;
    box-shadow: none !important;
  }
}