/* Importar fuente Roboto desde Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

/* Variables CSS para colores */
:root {
    --color-fondo-secundario: #F4F6F8;
    --color-texto-secundario: #6B7280;
    --color-texto-principal: #1F2937;
    --color-primario: #1E3A8A;
    --color-hover-enlaces: #3B82F6;
    --color-exito: #059669;
    --color-error: #DC2626;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: white;
    color: var(--color-texto-principal);
    line-height: 1.6;
}

/* Barra superior */
.top-bar {
    background-color: var(--color-primario);
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 999;
}

.top-bar h1 {
    font-size: 1.5rem;
    font-weight: 500;
    margin: 0;
}

.top-bar .user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.top-bar .user-name {
    font-weight: 400;
    font-size: 0.95rem;
}

.top-bar .logout-btn {
    background-color: transparent;
    color: white;
    border: 1px solid white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.top-bar .logout-btn:hover {
    background-color: white;
    color: var(--color-primario);
}

/* Contenedor principal */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Dashboard */
.dashboard-container {
    max-width: 800px;
    margin: auto;
}

.dashboard-title {
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: 2rem;
    color: var(--color-texto-principal);
}

/* Lista de mantenimientos */
.maintenance-list {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 1rem;
}

.maintenance-list li {
    margin: 0;
}

.maintenance-list a {
    display: block;
    padding: 1.5rem;
    background-color: var(--color-fondo-secundario);
    color: var(--color-texto-principal);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 400;
    border-left: 4px solid var(--color-primario);
}

.maintenance-list a:hover {
    background-color: var(--color-hover-enlaces);
    color: white;
    transform: translateX(4px);
}

/* Formularios */
.form-container {
    background-color: var(--color-fondo-secundario);
    padding: 2rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-texto-principal);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #D1D5DB;
    font-family: 'Roboto', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--color-texto-secundario);
    font-size: 0.875rem;
}

/* Botones */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--color-primario);
    color: white;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-family: 'Roboto', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: var(--color-hover-enlaces);
    transform: translateY(-1px);
}

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

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

.btn-danger {
    background-color: var(--color-error);
    color: white !important;
    border: 1px solid var(--color-error);
}

.btn-danger:hover {
    background-color: #B91C1C;
    color: white !important;
    border-color: #B91C1C;
}

.btn-danger:focus {
    background-color: var(--color-error);
    color: white !important;
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2);
}

.btn-danger:active {
    background-color: #991B1B;
    color: white !important;
    border-color: #991B1B;
}

/* Tablas */
.table-container {
    background-color: white;
    overflow-x: auto;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

table th {
    background-color: var(--color-fondo-secundario);
    color: var(--color-texto-principal);
    padding: 1rem;
    text-align: left;
    font-weight: 500;
    border-bottom: 2px solid var(--color-primario);
}

table td {
    padding: 1rem;
    border-bottom: 1px solid #E5E7EB;
}

table tr:hover {
    background-color: var(--color-fondo-secundario);
}

/* Enlaces de acción en tablas */
.action-links {
    display: flex;
    gap: 0.5rem;
}

.action-links a {
    color: var(--color-primario);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.action-links a:hover {
    background-color: var(--color-hover-enlaces);
    color: white;
}

/* Enlaces de acción con clase btn-danger */
.action-links a.btn-danger {
    background-color: var(--color-error) !important;
    color: white !important;
    border: 1px solid var(--color-error) !important;
}

.action-links a.btn-danger:hover {
    background-color: #B91C1C !important;
    color: white !important;
    border-color: #B91C1C !important;
}

/* Mensajes */
.message {
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 4px;
    font-weight: 500;
}

.message.success {
    background-color: #D1FAE5;
    color: var(--color-exito);
    border-left: 4px solid var(--color-exito);
}

.message.error {
    background-color: #FEE2E2;
    color: var(--color-error);
    border-left: 4px solid var(--color-error);
}

.message.info {
    background-color: #DBEAFE;
    color: var(--color-primario);
    border-left: 4px solid var(--color-primario);
}

/* Login específico */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-fondo-secundario);
}

.login-form {
    background-color: white;
    padding: 3rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    width: 100%;
    max-width: 400px;
}

.login-form h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--color-texto-principal);
    font-weight: 500;
}

/* Títulos de sección */
.section-title {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    color: var(--color-texto-principal);
    border-bottom: 2px solid var(--color-primario);
    padding-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .top-bar {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .top-bar .user-info {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .main-container {
        padding: 1rem;
    }
    
    .maintenance-list a {
        padding: 1rem;
    }
    
    .form-container {
        padding: 1rem;
    }
    
    .login-form {
        padding: 2rem;
        margin: 1rem;
    }
}

/* Menú Lateral */
.sidebar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    height: 100vh !important;
    width: 250px !important;
    background-color: var(--color-primario) !important;
    color: white !important;
    transition: all 0.3s ease !important;
    z-index: 1000 !important;
    overflow-y: auto !important;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1) !important;
}

.sidebar.collapsed {
    width: 60px !important;
}

.sidebar-header {
    padding: 1rem !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    background-color: var(--color-primario) !important;
}

.sidebar-header h3 {
    margin: 0 !important;
    font-size: 1.1rem !important;
    font-weight: 500 !important;
    transition: opacity 0.3s ease !important;
    color: white !important;
}

.sidebar.collapsed .sidebar-header h3 {
    opacity: 0 !important;
}

.sidebar-toggle {
    background: none !important;
    border: none !important;
    color: white !important;
    font-size: 1.2rem !important;
    cursor: pointer !important;
    padding: 0.5rem !important;
    border-radius: 4px !important;
    transition: background-color 0.3s ease !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.sidebar-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
}

.sidebar-menu {
    padding: 1rem 0 !important;
    background-color: var(--color-primario) !important;
}

.sidebar-menu ul {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.sidebar-menu li {
    margin: 0 !important;
}

.sidebar-menu a {
    display: flex !important;
    align-items: center !important;
    padding: 0.75rem 1rem !important;
    color: white !important;
    text-decoration: none !important;
    transition: all 0.3s ease !important;
    border-left: 3px solid transparent !important;
    background-color: transparent !important;
}

.sidebar-menu a:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
    border-left-color: white !important;
    color: white !important;
}

.sidebar-menu a.active {
    background-color: rgba(255, 255, 255, 0.2) !important;
    border-left-color: white !important;
    color: white !important;
}

.sidebar-menu .menu-icon {
    width: 20px !important;
    margin-right: 0.75rem !important;
    text-align: center !important;
    font-size: 1.1rem !important;
    flex-shrink: 0 !important;
    display: inline-block !important;
}

.sidebar-menu .menu-text {
    transition: opacity 0.3s ease !important;
    color: white !important;
    font-weight: 400 !important;
}

.sidebar.collapsed .menu-text {
    opacity: 0 !important;
}

.sidebar.collapsed .sidebar-menu a {
    justify-content: center !important;
    padding: 0.75rem !important;
}

.sidebar.collapsed .menu-icon {
    margin-right: 0 !important;
}

/* Layout con menú lateral */
.layout-with-sidebar {
    margin-left: 250px;
    transition: margin-left 0.3s ease;
}

.layout-with-sidebar.collapsed {
    margin-left: 60px;
}

/* Login sin menú lateral */
.login-container {
    margin-left: 0;
}

/* Dashboard Cards */
.stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.stat-card.primary {
    border-left: 4px solid var(--color-primario);
}

.stat-card.success {
    border-left: 4px solid var(--color-exito);
}

.stat-icon {
    font-size: 2.5rem;
    opacity: 0.8;
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-texto-principal);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-texto-secundario);
    font-weight: 500;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.maintenance-card {
    background: white;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    transition: all 0.3s ease;
    border: 1px solid #E5E7EB;
    position: relative;
    overflow: hidden;
}

.maintenance-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
    border-color: var(--color-primario);
}

.maintenance-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primario), var(--color-hover-enlaces));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.maintenance-card:hover::before {
    opacity: 1;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.card-icon {
    font-size: 2rem;
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-fondo-secundario);
    border-radius: 0.5rem;
    flex-shrink: 0;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-texto-principal);
}

.card-stats {
    margin-bottom: 1rem;
    text-align: center;
    padding: 1rem;
    background: var(--color-fondo-secundario);
    border-radius: 0.5rem;
}

.card-stats .stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primario);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.card-stats .stat-label {
    font-size: 0.9rem;
    color: var(--color-texto-secundario);
    font-weight: 500;
}

.card-description {
    color: var(--color-texto-secundario);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.card-link {
    display: block;
    width: 100%;
    text-align: center;
    padding: 0.75rem 1rem;
    background: var(--color-primario);
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.card-link:hover {
    background: var(--color-hover-enlaces);
    transform: translateY(-1px);
    color: white;
}

/* Responsive para menú lateral */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .layout-with-sidebar {
        margin-left: 0;
    }
    
    .sidebar-toggle-mobile {
        position: fixed;
        top: 1rem;
        left: 1rem;
        z-index: 1001;
        background-color: var(--color-primario);
        color: white;
        border: none;
        padding: 0.5rem;
        border-radius: 4px;
        cursor: pointer;
        display: block;
    }
    
    .sidebar-toggle-mobile.hidden {
        display: none;
    }
    
    /* Responsive para cards */
    .stats-overview {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .card-stats .stat-number {
        font-size: 2.5rem;
    }
}