/* ============================================
   RASHID LAB DASHBOARD - Matching Handbook Theme
   ============================================ */

/* Color Palette - UNC Carolina Blue */
:root {
  --primary: #4B9CD3;
  --primary-light: #7BAFD4;
  --primary-pale: #E8F4FA;
  --secondary: #13294B;
  --success: #2E8B6D;
  --warning: #E6A756;
  --danger: #D45B54;

  --gray-50: #FAFBFC;
  --gray-100: #F5F7F9;
  --gray-200: #E8ECF0;
  --gray-300: #D1D9E0;
  --gray-400: #A8B5C2;
  --gray-500: #7A8B9A;
  --gray-600: #566573;
  --gray-700: #3D4852;
  --gray-800: #2C353D;
}

/* Reset and Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Source Sans Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.7;
  font-size: 1.05rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Navigation */
.nav {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
  padding: 0.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-weight: 700;
  color: var(--secondary);
  font-size: 1.1rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-brand img {
  height: 36px;
}

.nav-links {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.nav-link {
  font-weight: 500;
  color: var(--gray-600);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.15s ease;
  font-size: 0.95rem;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(75, 156, 211, 0.05);
}

#last-updated {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* Main Content */
.dashboard {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--secondary);
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1.2rem;
  color: var(--gray-500);
  font-weight: 400;
  margin-bottom: 2rem;
}

h2 {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-600);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Grid Layout */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.grid-wide {
  grid-template-columns: 1fr;
}

/* Cards */
.card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  padding: 1.75rem;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.card-primary {
  border-top: 4px solid var(--primary);
}

.card-success {
  border-top: 4px solid var(--success);
}

.card-warning {
  border-top: 4px solid var(--warning);
}

.card-secondary {
  border-top: 4px solid var(--secondary);
}

/* Stats */
.stat {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin: 0.5rem 0;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--gray-500);
}

/* Item Lists */
.item-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.item-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.95rem;
}

.item-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.item-list li:first-child {
  padding-top: 0;
}

.item-list a {
  color: var(--secondary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.15s ease;
}

.item-list a:hover {
  color: var(--primary);
}

.status-good {
  color: var(--success);
  font-weight: 500;
}

.status-empty {
  color: var(--gray-400);
  font-style: italic;
}

/* Meeting Prep Tracker */
.meeting-prep {
  margin-top: 1rem;
}

.prep-item {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 1rem;
  padding: 1rem;
  background: var(--gray-50);
  border-radius: 10px;
  margin-bottom: 0.75rem;
  align-items: center;
}

.prep-item:last-child {
  margin-bottom: 0;
}

.prep-date {
  font-weight: 700;
  color: var(--primary);
  font-size: 0.9rem;
}

.prep-presenter {
  color: var(--secondary);
  font-weight: 600;
}

.prep-topic {
  color: var(--gray-600);
  font-size: 0.9rem;
}

.prep-status {
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.prep-status.ready {
  background: rgba(46, 139, 109, 0.1);
  color: var(--success);
}

.prep-status.in-progress {
  background: rgba(230, 167, 86, 0.15);
  color: var(--warning);
}

.prep-status.not-started {
  background: var(--gray-100);
  color: var(--gray-500);
}

/* Section Divider */
.section-divider {
  height: 1px;
  background: linear-gradient(to right, var(--gray-200), transparent 80%);
  margin: 2.5rem 0;
  border: none;
}

/* Quick Links */
.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.quick-action {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.1rem;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-700);
  text-decoration: none;
  transition: all 0.15s ease;
}

.quick-action:hover {
  border-color: var(--primary-light);
  color: var(--primary);
  box-shadow: 0 4px 12px rgba(75, 156, 211, 0.1);
}

/* Footer */
.footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--gray-500);
  font-size: 0.9rem;
  border-top: 1px solid var(--gray-200);
  margin-top: 2rem;
}

.footer a {
  color: var(--primary);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .nav {
    padding: 0.75rem 1rem;
  }

  .dashboard {
    padding: 1rem;
  }

  h1 {
    font-size: 2rem;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .prep-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .stat {
    font-size: 2.5rem;
  }
}