/* Variables CSS para tema consistente */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --danger-color: #ef4444;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-hover: #f9fafb;
    
    --border-color: #e5e7eb;
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    --transition: all 0.2s ease-in-out;
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
}

.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.content-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Contenedor principal */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

/* Navegación principal */
.navbar {
    background: var(--bg-primary);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    border-radius: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    margin-top: 0;
}

.navbar-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.navbar-brand:hover {
    color: var(--primary-dark);
    transition: var(--transition);
}

.navbar-nav {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

.navbar-user {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}

/* Navegación secundaria */
nav {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Títulos */
h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

/* Enlaces */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Botones */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.5;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: #059669;
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-danger:hover {
    background: #dc2626;
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    text-decoration: none;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* Tablas */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-lg);
}

.table thead {
    background: var(--bg-tertiary);
}

.table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: var(--bg-hover);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* Tabla clickeable - fila completa como enlace */
.table-clickable tbody tr {
    cursor: pointer;
}

.table-clickable tbody tr:hover {
    background: var(--bg-hover);
    transform: translateX(2px);
}

/* Logo del proyecto en tabla */
.project-logo {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    background: var(--bg-secondary);
    display: block;
    margin: 0 auto;
}

/* Foto del viajero en tabla */
.viajero-photo {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    background: var(--bg-secondary);
    display: block;
    margin: 0 auto;
}

/* Enlace del nombre del viajero */
.viajero-name-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.viajero-name-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Contenedor de PDF con idiomas */
.pdf-idiomas-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.pdf-idioma-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.pdf-flag-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
    text-decoration: none;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    transition: var(--transition);
    cursor: pointer;
}

.pdf-flag-link:hover {
    border-color: var(--primary-color);
    background: var(--bg-hover);
    transform: scale(1.1);
    box-shadow: var(--shadow);
}

.pdf-flag-icon {
    display: inline-block;
    line-height: 1;
}

.btn-copy-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    font-size: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.btn-copy-link:hover {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

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

/* Icono de transporte */
.transporte-icono {
    display: inline-block;
    margin-right: var(--spacing-xs);
    font-size: 1.125rem;
    vertical-align: middle;
}

/* Nueva tarjeta de viajero - Layout de 3 columnas */
.viajero-card-new-layout {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: grid;
    grid-template-columns: 200px minmax(300px, 1fr) 300px;
    gap: var(--spacing-lg);
    align-items: start;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.viajero-card-new-layout:hover {
    box-shadow: var(--shadow-md);
}

/* Sección izquierda: Foto grande */
.viajero-foto-section {
    display: flex;
    flex-direction: column;
}

.viajero-foto-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 3/4;
    min-height: 200px;
}

.viajero-foto-large {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
}

.viajero-foto-placeholder-large {
    width: 100%;
    height: 100%;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.foto-label {
    position: absolute;
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-light);
    transform: rotate(-45deg);
    transform-origin: center;
    user-select: none;
}

.viajero-foto-wrapper form {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 5;
}

.btn-delete-viajero {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--danger-color);
    color: white;
    border: 2px solid white;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
    padding: 0;
    line-height: 1;
    margin: 0;
}

.btn-delete-viajero:hover {
    background: #dc2626;
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

/* Sección media: Información */
.viajero-info-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    min-width: 0;
    max-width: 100%;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.info-field {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.info-field label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-field .info-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.info-field-nombre {
    min-width: 0;
    max-width: 100%;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.info-field-nombre h3 {
    min-width: 0;
    max-width: 100%;
    flex-wrap: wrap;
}

.info-field-nombre h3 span {
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
    display: inline-block;
}

/* Sección derecha: Botones en grid 2x2 */
.viajero-actions-section {
    display: flex;
    flex-direction: column;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    position: relative;
}

.action-grid-item {
    position: relative;
}

.action-btn-grid {
    width: 100%;
    padding: var(--spacing-lg);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
    display: inline-block;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.action-btn-grid.action-btn-ida {
    border-color: #4CAF50;
    color: #4CAF50;
}

.action-btn-grid.action-btn-ida:hover {
    background: #4CAF50;
    color: white;
}

.action-btn-grid.action-btn-vuelta {
    border-color: #FF9800;
    color: #FF9800;
}

.action-btn-grid.action-btn-vuelta:hover {
    background: #FF9800;
    color: white;
}

.action-btn-grid.action-btn-actividades {
    border-color: #2196F3;
    color: #2196F3;
}

.action-btn-grid.action-btn-actividades:hover {
    background: #2196F3;
    color: white;
}

.action-btn-grid.action-btn-pdf {
    border-color: #9C27B0;
    color: #9C27B0;
}

.action-btn-grid.action-btn-pdf:hover {
    background: #9C27B0;
    color: white;
}

.action-btn-grid.action-btn-alojamientos {
    border-color: #9333ea;
    color: #9333ea;
}

.action-btn-grid.action-btn-alojamientos:hover {
    background: #9333ea;
    color: white;
}

.action-btn-grid.action-btn-empty {
    opacity: 0.6;
}

.logistica-details,
.actividades-details,
.pdf-details,
.alojamientos-details {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    z-index: 10;
    max-height: 400px;
    overflow-y: auto;
}

.logistica-content,
.actividades-content,
.pdf-content,
.alojamientos-content {
    font-size: 0.875rem;
}

.logistica-content p,
.actividades-content li {
    margin-bottom: var(--spacing-sm);
}

/* Responsive para nueva tarjeta */
@media (max-width: 1024px) {
    .viajero-card-new-layout {
        grid-template-columns: 150px 1fr 250px;
    }
}

@media (max-width: 768px) {
    .viajero-card-new-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .viajero-foto-wrapper {
        max-width: 200px;
        margin: 0 auto;
    }

    .actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .logistica-details,
    .actividades-details,
    .pdf-details,
    .alojamientos-details {
        position: static;
        margin-top: var(--spacing-sm);
    }
}

/* Banderas de idiomas */
.idiomas-flags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    align-items: center;
}

.flag-icon {
    font-size: 1.5rem;
    line-height: 1;
    cursor: help;
    display: inline-block;
}

/* Perfil de viajero */
.profile-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.profile-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.profile-photo {
    flex-shrink: 0;
}

.profile-image {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    border: 4px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-lg);
    background: var(--bg-secondary);
}

.profile-image-placeholder {
    width: 150px;
    height: 150px;
    border-radius: var(--border-radius-lg);
    border: 4px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.placeholder-icon {
    font-size: 4rem;
    opacity: 0.7;
}

.profile-title {
    flex: 1;
    padding-top: var(--spacing-md);
}

.profile-title h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 var(--spacing-sm) 0;
    color: white;
    border: none;
    padding: 0;
}

.profile-reference {
    font-size: 1.125rem;
    opacity: 0.9;
    margin: 0;
    font-style: italic;
}

.profile-content {
    padding: var(--spacing-xl);
}

.profile-section {
    margin-bottom: var(--spacing-xl);
}

.profile-section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.info-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-value {
    font-size: 1.125rem;
    color: var(--text-primary);
}

/* Idiomas grandes para perfil */
.idiomas-flags-large {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.idioma-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.idioma-item:hover {
    border-color: var(--primary-color);
    background: var(--bg-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.flag-icon-large {
    font-size: 2.5rem;
    line-height: 1;
    display: inline-block;
}

.idioma-name {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-primary);
}

.profile-actions {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Descripción del proyecto */
.proyecto-descripcion {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.proyecto-descripcion p {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.125rem;
    line-height: 1.7;
}

/* Responsive para perfil */
@media (max-width: 768px) {
    .profile-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .profile-title h1 {
        font-size: 2rem;
    }

    .profile-image,
    .profile-image-placeholder {
        width: 120px;
        height: 120px;
    }

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

    .idiomas-flags-large {
        flex-direction: column;
    }

    .idioma-item {
        width: 100%;
    }

    .profile-actions {
        flex-direction: column;
    }

    .profile-actions .btn {
        width: 100%;
    }
    
    .proyecto-descripcion {
        padding: var(--spacing-md);
    }
    
    .proyecto-descripcion p {
        font-size: 1rem;
    }
}

/* Botón icono */
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    font-size: 1.2rem;
    text-decoration: none;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    transition: var(--transition);
    cursor: pointer;
}

.btn-icon:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    text-decoration: none;
    transform: scale(1.1);
}

/* Formularios */
form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.form-check input[type="checkbox"] {
    width: auto;
    margin: 0;
}

/* Alertas */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid;
}

.alert-danger {
    background: #fef2f2;
    border-color: var(--danger-color);
    color: #991b1b;
}

.alert-success {
    background: #f0fdf4;
    border-color: var(--success-color);
    color: #166534;
}

.alert-info {
    background: #eff6ff;
    border-color: var(--primary-color);
    color: #1e40af;
}

/* Utilidades de texto */
.text-muted {
    color: var(--text-light);
}

.small {
    font-size: 0.875rem;
}

/* Listas sin estilo */
.list-unstyled {
    list-style: none;
    padding-left: 0;
}

/* Tablas con variantes */
.table-borderless td,
.table-borderless th {
    border: none;
}

.table-striped tbody tr:nth-child(odd) {
    background: var(--bg-secondary);
}

.table-hover tbody tr:hover {
    background: var(--bg-hover);
}

/* Cards */
.card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.card-body {
    color: var(--text-secondary);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
}

/* Utilidades */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.d-flex {
    display: flex;
}

.gap-2 {
    gap: var(--spacing-md);
}

.gap-3 {
    gap: var(--spacing-lg);
}

/* Acciones en tablas */
.table-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.table-actions a {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

/* Mensaje vacío */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-state p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

/* Responsive */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    body {
        background: var(--bg-secondary);
    }
    
    .page-wrapper {
        padding: var(--spacing-sm);
    }
    
    main {
        margin-top: var(--spacing-md);
        margin-bottom: var(--spacing-md);
        padding: var(--spacing-md);
        border-radius: var(--border-radius);
    }
    
    .navbar {
        position: static;
        margin-bottom: var(--spacing-md);
        padding: var(--spacing-md);
    }
    
    .navbar-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .navbar-nav {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
    }
    
    .table thead,
    .table tbody {
        display: block;
    }
    
    .table tr {
        display: table;
        width: 100%;
        table-layout: fixed;
    }
    
    nav {
        flex-direction: column;
    }
    
    form {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .table-actions {
        flex-direction: column;
    }
    
    .table-actions a {
        width: 100%;
        text-align: center;
    }
}

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

main {
    animation: fadeIn 0.3s ease-out;
}

/* Mejoras de accesibilidad */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Estilos para iconos (si se añaden más adelante) */
.icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    vertical-align: middle;
}

/* Timeline Gantt Styles - Reestructurado por Viajeros */
.timeline-container-wrapper {
    overflow-x: auto;
    overflow-y: visible;
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.timeline-container {
    background: var(--bg-primary);
    min-width: 100%;
    display: inline-block;
}

.timeline-header {
    display: flex;
    background: var(--bg-tertiary);
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
    min-width: fit-content;
}

.timeline-labels-header {
    padding: var(--spacing-md);
    border-right: 2px solid var(--border-color);
    background: var(--bg-tertiary);
    flex-shrink: 0;
}

.timeline-label-header {
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

.timeline-scale-container {
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
    min-width: 0;
}

.timeline-scale {
    padding: var(--spacing-md);
    position: relative;
    min-height: 60px;
    min-width: 2000px;
    background: var(--bg-secondary);
}

.timeline-scale-marker {
    position: absolute;
    top: 0;
    bottom: 0;
    border-left: 2px solid var(--primary-color);
    padding-left: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--text-primary);
    z-index: 2;
}

.timeline-scale-marker-label {
    position: absolute;
    top: var(--spacing-xs);
    left: var(--spacing-xs);
    white-space: nowrap;
    background: var(--bg-primary);
    padding: 4px 8px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.8rem;
}

.timeline-content-wrapper {
    display: flex;
    position: relative;
    min-height: 400px;
    min-width: fit-content;
}

.timeline-viajeros-list {
    width: 250px;
    flex-shrink: 0;
    border-right: 2px solid var(--border-color);
    background: var(--bg-secondary);
    position: sticky;
    left: 0;
    z-index: 5;
}

.timeline-viajero-row {
    height: 80px;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
}

.timeline-viajero-row:last-child {
    border-bottom: none;
}

.viajero-label {
    width: 100%;
}

.viajero-label strong {
    display: block;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.viajero-meta {
    margin-top: var(--spacing-xs);
}

.viajero-meta small {
    font-size: 0.7rem;
    color: var(--text-secondary);
    display: block;
    line-height: 1.4;
}

.timeline-bars-scroll-container {
    flex: 1;
    overflow-x: auto;
    overflow-y: visible;
    position: relative;
    min-width: 0;
}

.timeline-bars-container {
    position: relative;
    min-height: 400px;
    padding: var(--spacing-sm) 0;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 99px,
        var(--border-color) 99px,
        var(--border-color) 100px
    );
    min-width: 2000px;
}

.timeline-bar-wrapper {
    z-index: 1;
}

.timeline-bar {
    display: flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    box-shadow: var(--shadow-sm);
}

.timeline-bar:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    z-index: 5;
    opacity: 0.9;
}

.timeline-bar-collision {
    animation: pulse-warning 2s infinite;
}

@keyframes pulse-warning {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.timeline-bar-label {
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
    text-align: center;
    padding: 0 4px;
}

.timeline-bar-title {
    font-weight: 700;
    font-size: 0.75rem;
    line-height: 1.2;
    margin-bottom: 2px;
}

.timeline-bar-details {
    display: flex;
    flex-direction: column;
    gap: 1px;
    font-size: 0.65rem;
    opacity: 0.95;
}

.timeline-bar-details small {
    display: block;
    line-height: 1.1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.timeline-bar-activity {
    background-color: #3b82f6 !important;
}

.timeline-bar-trip {
    /* Colores se definen inline según tipo */
}

.timeline-bar-trip:hover {
    opacity: 0.9;
}

/* Modal Styles - Capa Flotante */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(2px);
    animation: fadeIn 0.3s ease-out;
    align-items: center;
    justify-content: center;
}

.modal[style*="display: flex"],
.modal[style*="display:block"] {
    display: flex !important;
}

.modal-content {
    background-color: var(--bg-primary);
    margin: 5% auto;
    padding: 0;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 650px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideDown 0.3s ease-out;
    position: relative;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 2px solid var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    color: white;
    font-size: 1.5rem;
    border: none;
    padding: 0;
    flex: 1;
}

.modal-info-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.modal-info-row p {
    margin: 0;
}

.modal-content-body {
    padding: var(--spacing-lg);
    color: var(--text-primary);
}

.modal-content-body p {
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.modal-section {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.modal-section ul {
    margin-top: var(--spacing-sm);
    padding-left: var(--spacing-lg);
}

.modal-section li {
    margin-bottom: var(--spacing-xs);
}

.modal-warning {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: #fef2f2;
    border: 1px solid #ef4444;
    border-radius: var(--border-radius-sm);
    color: #991b1b;
    font-size: 0.875rem;
    font-weight: 600;
}

.modal-close {
    color: var(--text-secondary);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 20px;
    transition: var(--transition);
}

.modal-close:hover,
.modal-close:focus {
    color: var(--text-primary);
    text-decoration: none;
}

/* Responsive para timeline */
@media (max-width: 768px) {
    .timeline-viajeros-list {
        width: 200px;
    }
    
    .timeline-viajero-row {
        height: 100px;
    }
    
    .timeline-bars-container {
        min-width: 1500px;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
}

/* Footer */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    margin-top: auto;
    box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.05);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.footer-separator {
    color: var(--text-light);
    margin: 0 var(--spacing-xs);
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer-copyright a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.footer-copyright a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Formulario de registro */
.registration-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
    padding: var(--spacing-xl);
}

.registration-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-2xl);
    width: 100%;
    max-width: 500px;
    animation: fadeIn 0.3s ease-out;
}

.registration-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.registration-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    border: none;
    padding: 0;
}

.registration-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
}

.registration-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-light);
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.form-check:hover {
    border-color: var(--primary-color);
    background: var(--bg-hover);
}

.form-check input[type="checkbox"] {
    margin-top: 2px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    flex-shrink: 0;
}

.form-check label {
    margin: 0;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.5;
}

.registration-footer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.login-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.login-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Responsive para registro */
@media (max-width: 768px) {
    .registration-container {
        padding: var(--spacing-md);
        min-height: auto;
    }

    .registration-card {
        padding: var(--spacing-lg);
    }

    .registration-header h1 {
        font-size: 1.75rem;
    }
}

/* Badges de roles */
.role-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: help;
    transition: var(--transition);
    margin-right: var(--spacing-xs);
}

.role-admin {
    background: #fee2e2;
    border: 2px solid #ef4444;
}

.role-admin:hover {
    background: #ef4444;
    transform: scale(1.1);
    box-shadow: var(--shadow);
}

.role-user {
    background: #e5e7eb;
    border: 2px solid #6b7280;
}

.role-user:hover {
    background: #6b7280;
    transform: scale(1.1);
    box-shadow: var(--shadow);
}

/* Responsive para footer */
@media (max-width: 768px) {
    .footer {
        padding: var(--spacing-md);
        margin-top: auto;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .footer-separator {
        display: none;
    }
}