/* ============================================================
   EMMA C2C — Universal Higher Education OS
   Problem-Defined Pathways Styles
   ============================================================ */

/* The main container overrides the grid from .app-shell if needed, 
   but it's a sibling to .app-body so it takes the same space. */
#os-dashboard {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  background-color: var(--theme-bg);
  padding: var(--space-2xl) var(--space-xl);
  align-items: center;
  animation: fadeIn var(--duration-normal) var(--ease-out-expo) forwards;
}

.os-hero {
  text-align: center;
  max-width: 800px;
  width: 100%;
  margin-bottom: var(--space-2xl);
}

.os-hero-title {
  font-size: var(--font-scale-3xl);
  color: var(--theme-primary);
  font-weight: var(--font-weight-black);
  margin-bottom: var(--space-xs);
  letter-spacing: -0.02em;
}

.os-hero-subtitle {
  font-size: var(--font-scale-lg);
  color: var(--theme-text-secondary);
  margin-bottom: var(--space-xl);
}

.os-search-bar {
  display: flex;
  gap: var(--space-sm);
  background: var(--theme-surface);
  padding: var(--space-sm);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0, 0, 0, 0.05);
  width: 100%;
}

.os-input {
  flex: 1;
  border: none;
  background: transparent;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-scale-lg);
  color: var(--theme-text-primary);
  outline: none;
  font-family: inherit;
}

.os-input::placeholder {
  color: rgba(0, 0, 0, 0.3);
}

#os-generate-btn {
  border-radius: var(--radius-full);
  padding: var(--space-sm) var(--space-xl);
  font-size: var(--font-scale-base);
  font-weight: var(--font-weight-bold);
  white-space: nowrap;
}

/* Content Area (Appears after generation) */
.os-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  width: 100%;
  max-width: 1200px;
  animation: slideUpFade var(--duration-normal) var(--ease-out-expo) forwards;
}

.os-section-title {
  font-size: var(--font-scale-xl);
  color: var(--theme-text-primary);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2xs);
  border-bottom: 2px solid var(--theme-secondary);
  display: inline-block;
  padding-bottom: var(--space-2xs);
}

.os-section-subtitle {
  font-size: var(--font-scale-base);
  color: var(--theme-text-secondary);
  margin-bottom: var(--space-lg);
}

/* Timeline / Pathway */
.os-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: relative;
}

.os-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 24px;
  width: 2px;
  background: var(--theme-secondary);
  opacity: 0.3;
}

.os-course-card {
  display: flex;
  background: var(--theme-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.05);
  margin-left: 48px;
  position: relative;
  transition: transform var(--duration-fast) var(--ease-out-quart), box-shadow var(--duration-fast);
}

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

.os-course-card::before {
  content: '';
  position: absolute;
  left: -29px; /* center on the 24px line + 1px */
  top: 24px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--theme-secondary);
  border: 2px solid var(--theme-bg);
}

.os-course-info {
  flex: 1;
}

.os-course-code {
  font-size: var(--font-scale-sm);
  font-weight: var(--font-weight-bold);
  color: var(--theme-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.os-course-name {
  font-size: var(--font-scale-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--theme-text-primary);
  margin-bottom: 8px;
}

.os-course-desc {
  font-size: var(--font-scale-sm);
  color: var(--theme-text-secondary);
  line-height: 1.5;
}

.os-course-college {
  display: inline-flex;
  align-items: center;
  background: rgba(var(--theme-primary-rgb), 0.1);
  color: var(--theme-primary);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--font-scale-xs);
  font-weight: var(--font-weight-bold);
  margin-top: 12px;
}

/* Faculty Grid */
.os-faculty-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.os-faculty-card {
  background: var(--theme-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.05);
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  transition: transform var(--duration-fast) var(--ease-out-quart);
}

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

.os-faculty-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--theme-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-scale-lg);
  flex-shrink: 0;
  overflow: hidden;
}

.os-faculty-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.os-faculty-details {
  flex: 1;
}

.os-faculty-name {
  font-size: var(--font-scale-base);
  font-weight: var(--font-weight-bold);
  color: var(--theme-text-primary);
  margin-bottom: 2px;
}

.os-faculty-title {
  font-size: var(--font-scale-xs);
  color: var(--theme-text-secondary);
  margin-bottom: 8px;
}

.os-faculty-research {
  font-size: var(--font-scale-sm);
  color: var(--theme-text-primary);
  line-height: 1.4;
  margin-bottom: 8px;
}

.os-faculty-contact {
  font-size: var(--font-scale-xs);
  font-weight: var(--font-weight-bold);
  color: var(--theme-secondary);
  text-transform: uppercase;
  cursor: pointer;
}
.os-faculty-contact:hover {
  text-decoration: underline;
}

/* Animations */
@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}