:root {
  /* New Palette */
  --primary: #3B2F86;
  --accent: #F00014;
  --base: #FFFFFF;
  --neutral: #D9D9D9;
  --secondary-dark: #2E2A6E;

  /* Mappings */
  --primary-accent: var(--accent);
  --bg-light: #EBEBEB; /* Slightly clearer than neutral */
  --bg-soft: var(--neutral);
  --text-dark: var(--secondary-dark);
  --secondary-accent: var(--primary); /* using deep blue as secondary highlight */
  
  --badge-active: var(--accent);
  --badge-next: var(--primary);
  --badge-upcoming: var(--secondary-dark);
  --badge-ended: #8b8f91;
  --card-bg: var(--base);
  
  --shadow-sm: 0 4px 6px rgba(46, 42, 110, 0.05);
  --shadow-md: 0 8px 15px rgba(46, 42, 110, 0.1);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --font-main: 'Inter', sans-serif;
}

i { margin-right: 0.25rem; }

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-soft);
  color: var(--text-dark);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* Header Summary */
.top-summary {
  background-color: var(--text-dark);
  color: var(--bg-light);
  padding: 2rem 1rem;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.summary-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.time-display {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -1px;
  color: #FFFFFF;
}

.day-display {
  font-size: 1rem;
  color: #b0b4b5;
  font-weight: 500;
}

.overall-status {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  align-self: center;
  background-color: rgba(255, 255, 255, 0.1);
}

.status-not-started { color: #facc15; }
.status-running { color: #4ade80; }
.status-ended { color: #f87171; }

.next-overall {
  font-size: 1rem;
  margin-top: 0.5rem;
  color: var(--base);
  background-color: var(--accent);
  padding: 0.2rem 0.8rem;
  border-radius: 9999px;
  font-weight: 600;
  display: inline-block;
  align-self: center;
}

.next-overall:empty {
  display: none;
}

/* Controls */
.controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.route-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--bg-light);
  padding: 0.25rem;
  border-radius: var(--radius-md);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
  width: 100%;
  max-width: 800px;
}

.route-tab {
  flex: 1 1 auto;
  border: none;
  background: transparent;
  padding: 0.6rem 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  opacity: 0.7;
  text-align: center;
}

.route-tab:hover {
  opacity: 1;
}

.route-tab.active {
  background-color: var(--primary);
  color: var(--base);
  opacity: 1;
  box-shadow: var(--shadow-sm);
}

.controls-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.view-toggles {
  display: flex;
  background-color: var(--bg-light);
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  box-shadow: inset 0 2px 4px rgba(46, 42, 110, 0.05);
}

.toggle-btn {
  border: none;
  background: transparent;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  opacity: 0.7;
}

.toggle-btn:hover {
  opacity: 1;
}

.toggle-btn.active {
  background-color: var(--card-bg);
  box-shadow: var(--shadow-sm);
  opacity: 1;
  color: var(--primary-accent);
}

.preview-btn {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  padding: 0.6rem 1.2rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.preview-btn:hover {
  background-color: var(--primary);
  color: var(--base);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* Date Picker */
.date-picker-wrapper {
  display: flex;
  align-items: center;
  background-color: var(--card-bg);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral);
  gap: 0.5rem;
}

.date-picker-label {
  color: var(--primary);
  font-size: 1.1rem;
  cursor: pointer;
}

.date-picker-input {
  border: none;
  font-family: var(--font-main);
  font-size: 1rem;
  color: var(--text-dark);
  background: transparent;
  outline: none;
  cursor: pointer;
  font-weight: 500;
}

/* Modal */
.modal {
  display: none; 
  position: fixed; 
  z-index: 1000; 
  left: 0;
  top: 0;
  width: 100%; 
  height: 100%; 
  background-color: rgba(46, 42, 110, 0.75);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  overflow: auto;
}

.modal-content {
  margin: 5% auto;
  padding: 1rem;
  background: var(--base);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 800px;
  position: relative;
  box-shadow: var(--shadow-md);
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-content img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  display: block;
}

.close-modal {
  position: absolute;
  top: 0.2rem;
  right: 1.2rem;
  color: var(--primary);
  font-size: 2.5rem;
  font-weight: bold;
  cursor: pointer;
  z-index: 10;
  text-shadow: 0 0 4px white;
  transition: color 0.2s ease;
}

.close-modal:hover {
  color: var(--accent);
}

/* Edge State Message */
.edge-state-msg {
  text-align: center;
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-dark);
}

/* Bus Grid */
.bus-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

/* Tablet (2 columns) */
@media (min-width: 768px) {
  .bus-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Laptop/Desktop (3 columns) */
@media (min-width: 1024px) {
  .bus-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Bus Card */
.bus-card {
  background-color: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
  border-top: 4px solid var(--text-dark);
}

.bus-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.bus-card.status-card-active, .bus-card.status-card-next {
  border-top: 4px solid var(--primary-accent);
}
.bus-card.status-card-upcoming {
  border-top: 4px solid var(--secondary-accent);
}
.bus-card.status-card-ended {
  border-top: 4px solid var(--badge-ended);
  opacity: 0.75;
}

.bus-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bus-name {
  font-size: 1.25rem;
  font-weight: 700;
}

.bus-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  color: #fff;
}

.badge-active { background-color: var(--badge-active); }
.badge-next { background-color: var(--badge-next); }
.badge-upcoming { background-color: var(--badge-upcoming); }
.badge-ended { background-color: var(--badge-ended); }

.bus-body {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.trip-label {
  font-size: 0.85rem;
  color: #666;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.next-trip {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dark);
}

.next-trip.highlight {
  color: var(--primary-accent);
}

.trip-countdown {
  font-size: 1rem;
  font-weight: 600;
  color: var(--secondary-accent);
}

.trips-remaining {
  font-size: 0.9rem;
  color: #555;
  background-color: var(--bg-light);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-top: 0.5rem;
  display: inline-block;
  width: fit-content;
}

.trips-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.trip-pill {
  font-size: 0.8rem;
  background-color: var(--bg-light);
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  color: var(--text-dark);
  font-weight: 500;
}

.trip-pill.passed {
  text-decoration: line-through;
  opacity: 0.5;
  background-color: transparent;
  border: 1px solid #ccc;
}

/* Schedule Table */
.schedule-table-section {
  background-color: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.schedule-table-section h2 {
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--bg-light);
}

th {
  font-weight: 600;
  color: var(--text-dark);
  background-color: var(--bg-soft);
}

td {
  vertical-align: top;
}

td.bus-table-name {
  font-weight: 600;
  white-space: nowrap;
}

.table-trips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.table-trips .trip-pill {
  background-color: var(--bg-light);
}

.table-trips .trip-pill.nearest {
  background-color: var(--primary-accent);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 0 8px rgba(240, 101, 67, 0.4);
}

.table-trips .trip-pill.next-trip-pill {
  background-color: var(--secondary-accent);
  color: #fff;
  font-weight: 700;
}

/* Footer */
.app-footer {
  margin-top: 30px;
  padding: 20px;
  text-align: center;
  border-top: 1px solid var(--bg-light);
  background-color: var(--card-bg);
  color: var(--text-dark);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.footer-credits {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
}

.footer-credits a {
  color: var(--text-dark);
  font-size: 1.2rem;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-credits a:hover {
  color: var(--primary-accent);
  transform: translateY(-2px);
}

.social-links {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.2s ease;
  color: white;
}

.github-btn {
  background-color: #333;
}

.github-btn:hover {
  background-color: #000;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.linkedin-btn {
  background-color: #0077b5;
}

.linkedin-btn:hover {
  background-color: #005582;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.text-btn {
  background: none;
  border: none;
  color: var(--secondary-dark);
  font-size: 0.9rem;
  text-decoration: underline;
  cursor: pointer;
  transition: color 0.2s ease;
}

.text-btn:hover {
  color: var(--primary-accent);
}

/* About Modal Styling */
.about-content h2 {
  margin-bottom: 20px;
  color: var(--primary);
}

.about-section {
  text-align: left;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--bg-light);
}

.about-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.about-section h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--primary);
}

.about-section p {
  color: var(--text-dark);
  line-height: 1.6;
  font-size: 0.95rem;
}

.announcement-section p strong {
  color: var(--primary-accent);
}