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

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --border-color: #30363d;
  --accent-blue: #58a6ff;
  --accent-green: #3fb950;
  --accent-yellow: #d29922;
  --accent-red: #f85149;
  --accent-purple: #a371f7;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
}

.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 20px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

header h1 {
  font-size: 1.8rem;
  font-weight: 600;
}

.stats {
  display: flex;
  gap: 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.stat-value {
  font-weight: 600;
  color: var(--text-primary);
}

.controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.filters {
  display: flex;
  gap: 10px;
}

.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
}

.btn-primary {
  background: var(--accent-blue);
  color: white;
}

.btn-primary:hover {
  background: #4c9aed;
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--border-color);
}

.btn-danger {
  background: var(--accent-red);
  color: white;
}

.btn-danger:hover {
  background: #e5433b;
}

select {
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.9rem;
  cursor: pointer;
}

.board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  min-height: calc(100vh - 200px);
}

.column {
  background: var(--bg-secondary);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
}

.column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 4px;
  margin-bottom: 12px;
}

.column-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.column-count {
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.tasks {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 100px;
}

.task-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.task-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-2px);
}

.task-card.dragging {
  opacity: 0.5;
}

.task-title {
  font-weight: 500;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.task-description {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.task-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.task-labels {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.label {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 12px;
  background: var(--accent-purple);
  color: white;
  opacity: 0.9;
}

.label.urgent { background: var(--accent-red); }
.label.feature { background: var(--accent-blue); }
.label.bug { background: var(--accent-yellow); color: black; }
.label.setup { background: var(--accent-green); }
.label.recurring { background: var(--accent-purple); }

.task-assignee {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.task-assignee.louis::before {
  content: '👤';
}

.task-assignee.assistant::before {
  content: '🤖';
}

.task-actions {
  display: flex;
  gap: 4px;
  margin-top: 8px;
  opacity: 0;
  transition: opacity 0.2s;
}

.task-card:hover .task-actions {
  opacity: 1;
}

.task-actions button {
  padding: 4px 8px;
  font-size: 0.75rem;
  border-radius: 4px;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
  font-size: 1.2rem;
  font-weight: 600;
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

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

form {
  padding: 20px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 0.95rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 1200px) {
  .board {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .board {
    grid-template-columns: 1fr;
  }
  
  header {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
  
  .controls {
    flex-direction: column;
    gap: 12px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Drag and drop feedback */
.column.drag-over {
  background: var(--bg-tertiary);
  border: 2px dashed var(--accent-blue);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 20px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}