/* Reset y Variables */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #00aff0;
  --primary-dark: #0091cc;
  --secondary-color: #ff6b6b;
  --bg-color: #f5f5f5;
  --card-bg: #ffffff;
  --text-dark: #2c3e50;
  --text-light: #7f8c8d;
  --border-color: #e0e0e0;
  --success-color: #2ecc71;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-dark);
  line-height: 1.6;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 0;
  min-height: 100vh;
  background-color: var(--card-bg);
}

/* Disclaimer */
.disclaimer {
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
  color: white;
  padding: 1.25rem 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: start;
  box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
  border-bottom: 3px solid #ee5a5a;
}

.disclaimer-icon {
  font-size: 1.75rem;
  line-height: 1;
  flex-shrink: 0;
}

.disclaimer-content {
  flex: 1;
}

.disclaimer-content strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.disclaimer-content p {
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0;
  opacity: 0.95;
}

/* Header */
header {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
  color: white;
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
}

header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1rem;
  opacity: 0.9;
}

/* Navigation Tabs */
.tabs {
  display: flex;
  background-color: var(--card-bg);
  border-bottom: 2px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.tab-btn {
  flex: 1;
  padding: 1rem;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-light);
  cursor: pointer;
  transition: all 0.3s ease;
  border-bottom: 3px solid transparent;
}

.tab-btn.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-btn:hover {
  background-color: rgba(0, 175, 240, 0.05);
}

/* Tab Content */
.tab-content {
  display: none;
  padding: 1.5rem;
  animation: fadeIn 0.3s ease;
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tab-content h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

/* Formulario */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
  font-family: inherit;
}

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

.form-group textarea {
  resize: vertical;
}

/* Botones */
.btn {
  padding: 1rem 2rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
  color: white;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-primary:active {
  transform: translateY(0);
}

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

.btn-secondary {
  background-color: var(--text-light);
  color: white;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
}

/* Lista de Coches */
.coches-grid {
  display: grid;
  gap: 1.25rem;
}

.coche-card {
  background-color: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.coche-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-color);
}

.coche-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 1rem;
}

.coche-nombre {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
}

.espacios-badge {
  background-color: var(--primary-color);
  color: white;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}

.coche-info {
  margin-bottom: 0.75rem;
}

.info-item {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.info-item strong {
  color: var(--text-dark);
  margin-right: 0.5rem;
  min-width: 80px;
}

.info-item span {
  color: var(--text-light);
}

.coche-destino {
  background-color: rgba(0, 175, 240, 0.1);
  padding: 0.75rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-dark);
}

.coche-notas {
  background-color: var(--bg-color);
  padding: 0.75rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-light);
  font-style: italic;
}

.coche-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.btn-whatsapp {
  flex: 1;
  background-color: #25d366;
  color: white;
  padding: 0.875rem;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn-whatsapp:hover {
  background-color: #20ba5a;
  transform: translateY(-2px);
}

.btn-delete {
  background-color: var(--secondary-color);
  color: white;
  padding: 0.875rem 1.25rem;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-delete:hover {
  background-color: #ee5a5a;
}

/* Mensajes */
.empty-message {
  text-align: center;
  color: var(--text-light);
  padding: 3rem 1rem;
  font-size: 1.1rem;
}

.success-message {
  background-color: var(--success-color);
  color: white;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  text-align: center;
  animation: slideDown 0.3s ease;
}

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

/* Fecha badge */
.fecha-badge {
  background-color: rgba(46, 204, 113, 0.1);
  color: var(--success-color);
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-block;
  margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 480px) {
  header h1 {
    font-size: 1.75rem;
  }

  .tab-btn {
    font-size: 0.9rem;
    padding: 0.875rem;
  }

  .coche-nombre {
    font-size: 1.1rem;
  }
}

/* Loading spinner */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-content {
  background-color: var(--card-bg);
  border-radius: 12px;
  width: 100%;
  max-width: 500px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 2px solid var(--border-color);
}

.modal-header h3 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--text-dark);
}

.modal-close {
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-light);
  cursor: pointer;
  line-height: 1;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.modal-close:hover {
  background-color: var(--bg-color);
  color: var(--text-dark);
}

#form-unirse {
  padding: 1.5rem;
}

/* Pasajeros en el viaje */
.pasajeros-section {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 2px solid var(--border-color);
}

.pasajeros-titulo {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.75rem;
}

.pasajero-item {
  background-color: var(--bg-color);
  padding: 0.75rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pasajero-info {
  flex: 1;
}

.pasajero-nombre {
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}

.pasajero-telefono {
  font-size: 0.85rem;
  color: var(--text-light);
}

.btn-unirse {
  background: linear-gradient(135deg, var(--success-color) 0%, #27ae60 100%);
  color: white;
  padding: 0.875rem;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
  margin-bottom: 0.5rem;
}

.btn-unirse:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.espacios-restantes {
  text-align: center;
  color: var(--text-light);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  font-style: italic;
}

.espacios-completo {
  background-color: var(--secondary-color);
  color: white;
  padding: 0.875rem;
  border-radius: 8px;
  text-align: center;
  font-weight: 600;
  margin-bottom: 0.5rem;
}