/* ========================================
   TOP Page - Specific Styles
   Banner slider, Notices, Videos, News
   ======================================== */

/* ---- Section Headers ---- */
.top-section {
  margin-bottom: var(--space-6);
}

.top-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--border-primary);
}

.top-section-title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--text-primary);
}

.top-section-more {
  font-size: var(--text-xs);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: var(--font-medium);
  white-space: nowrap;
}

.top-section-more:hover {
  text-decoration: underline;
}

/* ---- Banner Slider ---- */
.top-banner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-md);
}

.banner-viewport {
  overflow: hidden;
}

.banner-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.banner-slide {
  min-width: 100%;
  aspect-ratio: 16 / 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: #ffffff;
  position: relative;
}

.banner-slide-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.banner-slide-subtitle {
  font-size: var(--text-sm);
  margin-top: var(--space-2);
  opacity: 0.9;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.banner-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  background: var(--bg-secondary);
}

.banner-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--border-secondary);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-fast);
}

.banner-dot.active {
  background: var(--color-primary);
  width: 24px;
}

/* ---- Banner CTA Button ---- */
.banner-cta-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  margin-top: var(--space-3);
  z-index: 1;
}

.banner-cta-btn {
  display: inline-block;
  padding: 12px 40px;
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  line-height: 1.4;
}

.banner-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.banner-cta-image {
  max-width: 280px;
  max-height: 80px;
  transition: transform 0.2s ease;
}

.banner-cta-image:hover {
  transform: scale(1.05);
}

/* ---- Notice Table ---- */
.notice-table {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.notice-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-primary);
  transition: background var(--transition-fast);
}

.notice-row:last-child {
  border-bottom: none;
}

.notice-row:hover {
  background: var(--hover-bg);
}

.notice-row-link {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.notice-tag {
  flex-shrink: 0;
}

.notice-date {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  flex-shrink: 0;
  width: 72px;
}

.notice-title {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.notice-excerpt {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  flex-shrink: 0;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---- How-to Video ---- */
.howto-video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  box-shadow: var(--shadow-sm);
}

.howto-video-wrapper iframe,
.howto-video-wrapper video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ---- Video Grid ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.video-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  text-decoration: none;
  display: block;
}

.video-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.video-thumb {
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: var(--text-3xl);
  position: relative;
}

.video-thumb::after {
  content: '▶';
  position: absolute;
  font-size: var(--text-2xl);
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.video-info {
  padding: var(--space-3);
}

.video-title {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  line-height: var(--leading-normal);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--space-2);
}

.video-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 10px;
  color: var(--text-tertiary);
}

/* ---- News List ---- */
.news-list {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.news-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-primary);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.news-item:last-child {
  border-bottom: none;
}

.news-item:hover {
  background: var(--hover-bg);
}

.news-title {
  flex: 1;
  font-size: var(--text-sm);
  color: var(--text-primary);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-source {
  flex-shrink: 0;
}

.news-date {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

/* ========================================
   Onboarding Guide (Coach Marks)
   ======================================== */

.onboard-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 3000;
  animation: onboardFadeIn 0.3s ease;
}

.onboard-overlay.active {
  display: block;
}

@keyframes onboardFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.onboard-spotlight {
  position: relative;
  z-index: 3001;
  box-shadow: 0 0 0 4px var(--color-primary), 0 0 24px rgba(217, 119, 6, 0.5);
  border-radius: var(--radius-md);
  animation: onboardPulse 2s ease-in-out infinite;
}

@keyframes onboardPulse {
  0%, 100% { box-shadow: 0 0 0 4px var(--color-primary), 0 0 24px rgba(217, 119, 6, 0.5); }
  50% { box-shadow: 0 0 0 6px var(--color-primary-light), 0 0 32px rgba(217, 119, 6, 0.7); }
}

.onboard-tooltip {
  display: none;
  position: fixed;
  z-index: 3002;
  top: -9999px;
  left: -9999px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  max-width: 340px;
  width: 90vw;
  box-shadow: var(--shadow-lg);
  animation: onboardTooltipIn 0.3s ease;
}

.onboard-tooltip.active {
  display: block;
}

@keyframes onboardTooltipIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.onboard-tooltip-arrow {
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-primary);
  border-left: 1px solid var(--border-primary);
  transform: rotate(45deg);
}

.onboard-tooltip-arrow.top {
  top: -9px;
  left: 50%;
  margin-left: -8px;
}

.onboard-tooltip-arrow.bottom {
  bottom: -9px;
  left: 50%;
  margin-left: -8px;
  transform: rotate(225deg);
}

.onboard-tooltip-text {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.onboard-tooltip-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.onboard-step-dots {
  display: flex;
  gap: var(--space-2);
}

.onboard-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-secondary);
  transition: background var(--transition-fast);
}

.onboard-dot.active {
  background: var(--color-primary);
}

.onboard-tooltip-btns {
  display: flex;
  gap: var(--space-2);
}

.onboard-tooltip-btns .btn {
  padding: var(--space-1) var(--space-4);
  font-size: var(--text-xs);
  border-radius: var(--radius-md);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .video-grid .video-card:nth-child(n+3) {
    display: none;
  }

  .banner-slide-title {
    font-size: var(--text-lg);
  }

  .banner-slide-subtitle {
    font-size: var(--text-xs);
  }

  .banner-cta-btn {
    padding: 8px 24px;
    font-size: var(--text-sm);
  }

  .banner-cta-image {
    max-width: 200px;
    max-height: 56px;
  }

  .notice-excerpt {
    display: none;
  }

  .notice-row {
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
  }

  .news-item {
    flex-wrap: wrap;
    gap: var(--space-1);
  }

  .news-title {
    flex-basis: 100%;
  }

  .onboard-tooltip {
    max-width: 280px;
    padding: var(--space-4);
  }

  .onboard-tooltip-text {
    font-size: var(--text-xs);
  }
}