/* ==========================================================================
   TIMETABLE & AGENDA STYLES
   ========================================================================== */

/* Sub-header Navigation / Toolbar */
.view-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.view-mode-selector {
  display: flex;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 4px;
  border-radius: var(--radius-md);
}

.view-mode-btn {
  padding: 0.45rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.view-mode-btn.active {
  background-color: var(--accent-primary);
  color: white;
}

.current-class-banner {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
  border: 1px solid rgba(99, 102, 241, 0.4);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.15);
}

.banner-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.pulse-dot {
  width: 12px;
  height: 12px;
  background-color: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--success);
  animation: pulseGlow 1.5s infinite;
}

@keyframes pulseGlow {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.banner-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.banner-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Weekly Grid Layout */
.timetable-grid-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  box-shadow: var(--shadow-md);
}

.timetable-grid {
  display: grid;
  grid-template-columns: 70px repeat(7, minmax(130px, 1fr));
  min-width: 900px;
}

.grid-header-cell {
  background-color: var(--bg-secondary);
  padding: 1rem 0.5rem;
  text-align: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 5;
}

.grid-header-cell.today {
  color: var(--accent-primary);
  background-color: var(--accent-light);
}

.grid-header-cell.time-header {
  border-right: 1px solid var(--border-color);
}

.time-slot-label {
  padding: 0.85rem 0.5rem;
  text-align: center;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  height: 68px;
  box-sizing: border-box;
}

.day-column {
  position: relative;
  border-right: 1px solid var(--border-color);
  background-size: 100% 68px;
  background-image: linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
}

.day-column:last-child {
  border-right: none;
}

.class-card {
  position: absolute;
  left: 6px;
  right: 6px;
  border-radius: var(--radius-md);
  padding: 0.65rem 0.75rem;
  color: white;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  z-index: 2;
}

.class-card:hover {
  transform: translateY(-2px) scale(1.02);
  z-index: 10;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.class-card .class-subject {
  font-weight: 700;
  font-size: 0.875rem;
  line-height: 1.2;
}

.class-card .class-time {
  font-size: 0.725rem;
  opacity: 0.9;
  font-family: var(--font-mono);
  margin-top: 2px;
}

.class-card .class-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.4rem;
  font-size: 0.725rem;
  opacity: 0.95;
}

.class-card .class-room {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

/* Daily Agenda Layout */
.daily-agenda-container {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .daily-agenda-container {
    grid-template-columns: 1fr;
  }
}

.agenda-timeline {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.agenda-item {
  display: flex;
  gap: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  position: relative;
  transition: all var(--transition-fast);
}

.agenda-item:hover {
  border-color: var(--accent-primary);
  transform: translateX(4px);
}

.agenda-time-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 90px;
  padding: 0.5rem;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
}

.agenda-body {
  flex: 1;
}

.agenda-body h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.agenda-body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.agenda-tags {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}