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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #333;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
header {
  background: white;
  padding: 3rem 1rem;
  margin-bottom: 3rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  margin-top: 2rem;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  color: #2c3e50;
}

header p {
  font-size: 1.1rem;
  color: #666;
}

.back-link {
  display: inline-block;
  margin-bottom: 1rem;
  color: #3498db;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.back-link:hover {
  color: #2980b9;
}

.project-meta {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
  font-size: 0.95rem;
}

.project-meta span {
  padding: 0.5rem 1rem;
  background: #f0f0f0;
  border-radius: 4px;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.project-card {
  background: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
  border-left: 4px solid #3498db;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.project-card.completed {
  border-left-color: #27ae60;
}

.project-card.on-going {
  border-left-color: #f39c12;
}

.project-card.cancelled {
  border-left-color: #e74c3c;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.project-header h2 {
  font-size: 1.3rem;
  margin: 0;
  flex: 1;
}

.project-header h2 a {
  color: #2c3e50;
  text-decoration: none;
  transition: color 0.3s;
}

.project-header h2 a:hover {
  color: #3498db;
}

.project-card .year {
  display: inline-block;
  background: #ecf0f1;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
  color: #666;
  white-space: nowrap;
  margin-left: 0.5rem;
}

.project-card .status {
  font-size: 0.85rem;
  color: #666;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.project-card .excerpt {
  color: #666;
  margin-bottom: 1rem;
  line-height: 1.5;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: #3498db;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.3s;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
}

.btn:hover {
  background: #2980b9;
}

/* Tabs */
.tabs {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  margin-bottom: 2rem;
}

.tab-buttons {
  display: flex;
  border-bottom: 1px solid #ecf0f1;
  background: #f8f9fa;
  flex-wrap: wrap;
}

.tab-btn {
  flex: 1;
  min-width: 150px;
  padding: 1rem;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  color: #666;
  transition: all 0.3s;
  border-bottom: 3px solid transparent;
}

.tab-btn:hover {
  background: #f0f0f0;
}

.tab-btn.active {
  color: #3498db;
  border-bottom-color: #3498db;
}

.tab-content {
  display: none;
  padding: 2rem;
  animation: fadeIn 0.3s;
}

.tab-content.active {
  display: block;
}

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

.tab-content h2 {
  margin-bottom: 1.5rem;
  color: #2c3e50;
  font-size: 1.5rem;
}

.tab-content h3 {
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  color: #2c3e50;
  font-size: 1.2rem;
}

/* Dates List */
.dates-list {
  list-style: none;
}

.dates-list li {
  padding: 1rem;
  background: #f8f9fa;
  border-left: 3px solid #3498db;
  margin-bottom: 0.75rem;
  border-radius: 4px;
}

.dates-list li strong {
  color: #2c3e50;
  display: block;
  margin-bottom: 0.25rem;
}

/* Schedule List */
.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.schedule-item {
  display: flex;
  gap: 1.5rem;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 4px;
  border-left: 4px solid #3498db;
  align-items: flex-start;
}

.schedule-item.concert {
  border-left-color: #e74c3c;
}

.schedule-item.rehearsal {
  border-left-color: #f39c12;
}

.schedule-item.meeting {
  border-left-color: #9b59b6;
}

.schedule-date {
  font-weight: 600;
  color: #2c3e50;
  min-width: 80px;
  text-align: right;
  flex-shrink: 0;
}

.schedule-details {
  flex: 1;
}

.schedule-location {
  text-align: right;
  flex-shrink: 0;
  min-width: 180px;
}

.schedule-details h4 {
  margin: 0 0 0.5rem 0;
  color: #2c3e50;
}

.schedule-details .type {
  font-size: 0.85rem;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0.25rem 0;
}

.schedule-details .location {
  color: #666;
  font-size: 0.95rem;
  margin: 0.25rem 0;
}

.schedule-details .notes {
  color: #666;
  font-size: 0.95rem;
  margin: 0.5rem 0 0 0;
  font-style: italic;
}

.schedule-details .time {
  color: #666;
  font-size: 0.95rem;
  margin: 0.25rem 0;
}

.schedule-details .location {
  color: #27ae60;
  font-size: 0.95rem;
  margin: 0.5rem 0 0 0;
  padding: 0.5rem;
  background: #f0fdf4;
  border-radius: 3px;
}

.schedule-details .location small {
  display: block;
  color: #666;
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.schedule-location .location {
  color: #27ae60;
  font-size: 0.9rem;
  margin: 0;
  padding: 0.5rem;
  background: #f0fdf4;
  border-radius: 3px;
  text-align: right;
}

.schedule-location .location small {
  display: block;
  color: #666;
  font-size: 0.8rem;
  margin-top: 0.25rem;
}

.schedule-details .program {
  color: #666;
  font-size: 0.9rem;
  margin: 0.5rem 0 0 0;
  padding: 0.5rem;
  background: #f9f9f9;
  border-left: 3px solid #3498db;
  border-radius: 3px;
}

.dates-list li em {
  display: block;
  color: #27ae60;
  font-style: normal;
  font-weight: 500;
  margin-top: 0.25rem;
}

.dates-list li small {
  display: block;
  color: #999;
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

/* Music List */
.music-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.music-item {
  display: flex;
  gap: 1.5rem;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 4px;
  border-left: 4px solid #27ae60;
}

.music-item .order {
  font-weight: 600;
  color: #3498db;
  min-width: 40px;
  text-align: center;
  font-size: 1.1rem;
}

.music-info h4 {
  margin: 0 0 0.5rem 0;
  color: #2c3e50;
}

.music-info .composer {
  color: #666;
  font-size: 0.9rem;
  margin: 0.25rem 0;
  font-style: italic;
}

.music-info .voices {
  color: #3498db;
  font-size: 0.85rem;
  margin: 0.25rem 0 0 0;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.music-info .notes {
  color: #666;
  font-size: 0.95rem;
  margin: 0.25rem 0 0 0;
}

.music-info .score-link {
  margin: 0.5rem 0 0 0;
}

.music-info .score-link a {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  background: #3498db;
  color: white;
  text-decoration: none;
  border-radius: 3px;
  font-size: 0.85rem;
  transition: background 0.3s;
}

.music-info .score-link a:hover {
  background: #2980b9;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  color: #666;
  border-top: 1px solid #ecf0f1;
}

/* Divisi List */
.divisi-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.divisi-item {
  padding: 1rem;
  background: #f8f9fa;
  border-left: 4px solid #9b59b6;
  border-radius: 4px;
}

.divisi-header {
  margin-bottom: 1rem;
}

.divisi-header h4 {
  margin: 0 0 0.5rem 0;
  color: #2c3e50;
}

.divisi-table {
  background: white;
  padding: 1rem;
  border-radius: 4px;
  border: 1px solid #ecf0f1;
  margin-top: 0.5rem;
  overflow-x: auto;
}

.divisi-table table {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
}

.divisi-table table td,
.divisi-table table th {
  padding: 0.75rem;
  border: 1px solid #ecf0f1;
  text-align: left;
}

.divisi-table table th {
  background: #f0f0f0;
  font-weight: 600;
  color: #2c3e50;
}

.divisi-table table tr:nth-child(even) {
  background: #fafafa;
}

.divisi-table table tr:hover {
  background: #f5f5f5;
}

.no-divisi {
  color: #999;
  font-style: italic;
  margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  header h1 {
    font-size: 1.8rem;
  }

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

  .tab-buttons {
    flex-direction: column;
  }

  .tab-btn {
    min-width: 100%;
  }

  .schedule-item {
    flex-direction: column;
  }

  .schedule-date {
    text-align: left;
  }

  .project-meta {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  header {
    padding: 1.5rem 1rem;
  }

  header h1 {
    font-size: 1.4rem;
  }

  .project-header {
    flex-direction: column;
  }

  .project-header .year {
    margin-left: 0;
    margin-top: 0.5rem;
  }
}