:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-card: #16213e;
  --accent: #e94560;
  --accent-hover: #ff6b6b;
  --text-primary: #eaeaea;
  --text-secondary: #a0a0b0;
  --success: #4ade80;
  --error: #f87171;
  --border: #2a2a4a;
}

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

body {
  font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  padding: 20px 0 30px;
}

header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 4px;
}

.card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}

.card h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

/* Import Section */
.import-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.import-controls input[type="date"] {
  flex: 1;
}

.flights-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.flight-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: all 0.2s;
}

.flight-card:hover {
  background: rgba(233, 69, 96, 0.1);
  border-color: var(--accent);
}

.flight-card .route {
  font-weight: 600;
  font-size: 0.95rem;
}

.flight-card .times {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.flight-card .type-badge {
  background: var(--accent);
  color: white;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  font-weight: 600;
}

.flight-card .type-badge.local { background: #3b82f6; }
.flight-card .type-badge.departure { background: #f59e0b; }
.flight-card .type-badge.arrival { background: #10b981; }

/* Form Elements */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

input, select {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: border-color 0.2s;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

input::placeholder {
  color: var(--text-secondary);
}

/* Flight Type Selector */
.flight-type-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.type-btn {
  padding: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.type-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.type-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* Buttons */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

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

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.form-actions .btn {
  flex: 1;
}

/* Status Messages */
.status {
  margin-top: 12px;
  padding: 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  display: none;
}

.status.success {
  display: block;
  background: rgba(74, 222, 128, 0.1);
  color: var(--success);
  border: 1px solid rgba(74, 222, 128, 0.3);
}

.status.error {
  display: block;
  background: rgba(248, 113, 113, 0.1);
  color: var(--error);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.status.loading {
  display: block;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.modal-content {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 24px;
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--border);
}

.modal-content h3 {
  margin-bottom: 16px;
  font-size: 1.2rem;
}

#preview-content {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  padding: 16px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

#preview-content .entry {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

#preview-content .entry:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

#preview-content .entry-title {
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 8px;
}

#preview-content .field {
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
}

#preview-content .field .value {
  color: var(--text-primary);
}

#preview-content .field.fixed {
  opacity: 0.5;
}

#preview-content .field.fixed .value {
  color: var(--text-secondary);
}

.modal-actions {
  display: flex;
  gap: 12px;
}

.modal-actions .btn {
  flex: 1;
}

/* Responsive */
@media (max-width: 360px) {
  .container {
    padding: 12px;
  }
  
  .card {
    padding: 16px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}