@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Tema Oscuro (Defecto) */
    --bg-app: #090d16;
    --bg-sidebar: rgba(15, 23, 42, 0.7);
    --bg-card: rgba(22, 33, 54, 0.45);
    --bg-card-hover: rgba(30, 45, 75, 0.6);
    --bg-modal: rgba(13, 20, 35, 0.95);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: rgba(0, 0, 0, 0.5);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --accent: #10b981; /* Verde esmeralda */
    --accent-glow: rgba(16, 185, 129, 0.35);
    --accent-hover: #34d399;
    
    --warning: #f59e0b; /* Naranja */
    --warning-glow: rgba(245, 158, 11, 0.3);
    
    --danger: #ef4444; /* Rojo */
    --danger-glow: rgba(239, 68, 68, 0.3);
    
    --info: #3b82f6; /* Azul */
    --info-glow: rgba(59, 130, 246, 0.3);
    
    --success: #10b981;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --sidebar-width: 280px;
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

[data-theme="light"] {
    /* Tema Claro */
    --bg-app: #f1f5f9;
    --bg-sidebar: rgba(255, 255, 255, 0.85);
    --bg-card: rgba(255, 255, 255, 0.7);
    --bg-card-hover: rgba(255, 255, 255, 0.95);
    --bg-modal: rgba(255, 255, 255, 0.98);
    --glass-border: rgba(15, 23, 42, 0.08);
    --glass-shadow: rgba(148, 163, 184, 0.15);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent: #059669;
    --accent-glow: rgba(5, 150, 105, 0.2);
    --accent-hover: #047857;
    
    --warning: #d97706;
    --warning-glow: rgba(217, 119, 6, 0.2);
    
    --danger: #dc2626;
    --danger-glow: rgba(220, 38, 38, 0.2);
    
    --info: #2563eb;
    --info-glow: rgba(37, 99, 235, 0.2);
}

/* Estilos de Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-app);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
    transition: var(--transition-smooth);
}

/* Efecto de Luces Traseras en el Fondo */
.bg-glowing-dots {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}
.bg-glowing-dots::before, .bg-glowing-dots::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    transition: var(--transition-smooth);
}
.bg-glowing-dots::before {
    top: -10%;
    right: 5%;
    width: 400px;
    height: 400px;
    background: var(--accent);
}
.bg-glowing-dots::after {
    bottom: -10%;
    left: 10%;
    width: 500px;
    height: 500px;
    background: var(--info);
}

/* Layout General */
.app-container {
    display: flex;
    width: 100vw;
    height: 100vh;
}

/* Barra Lateral (Sidebar) */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    padding: 24px;
    display: flex;
    flex-direction: column;
    height: 100%;
    z-index: 100;
    transition: var(--transition-smooth);
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 30px;
}

.brand-logo {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--info) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.brand-name {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(to right, var(--text-primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Selector de Roles */
.role-picker {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 12px;
    margin-bottom: 24px;
}

.role-picker label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 700;
    display: block;
    margin-bottom: 6px;
}

.role-select {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14px;
    outline: none;
    cursor: pointer;
}

.role-select option {
    background: var(--bg-app);
    color: var(--text-primary);
}

/* Menú de Navegación */
.sidebar-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.menu-item:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.menu-item.active {
    color: white;
    background: var(--accent);
    box-shadow: 0 4px 14px var(--accent-glow);
}

.menu-item i {
    width: 20px;
    height: 20px;
}

/* Opciones de la base de la barra lateral */
.sidebar-footer {
    border-top: 1px solid var(--glass-border);
    padding-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.theme-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 10px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-fast);
}

.theme-toggle-btn:hover {
    background: var(--bg-card-hover);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--bg-card-hover);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--glass-border);
    color: var(--accent);
}

.user-details h4 {
    font-size: 13px;
    font-weight: 600;
}

.user-details span {
    font-size: 11px;
    color: var(--text-muted);
}

/* Contenido Principal */
.main-content {
    flex-grow: 1;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

/* Encabezado */
.main-header {
    padding: 24px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-title-area h1 {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 700;
}

.header-title-area p {
    font-size: 14px;
    color: var(--text-secondary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.role-badge {
    background: var(--info-glow);
    border: 1px solid var(--info);
    color: var(--text-primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.role-badge i {
    width: 14px;
    height: 14px;
}

.btn-primary {
    background: var(--accent);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px var(--accent-glow);
    transition: var(--transition-fast);
}

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

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
}

.btn-danger {
    background: var(--danger);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px var(--danger-glow);
    transition: var(--transition-fast);
}

.btn-danger:hover {
    background: #dc2626;
}

/* Área de Vistas Dinámicas */
.view-section {
    padding: 32px 40px;
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.view-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- ESTILOS DE COMPONENTES --- */

/* Tarjetas de Estadística (Métricas) */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px var(--glass-shadow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--info);
}

.metric-card.accent::before { background: var(--accent); }
.metric-card.warning::before { background: var(--warning); }
.metric-card.danger::before { background: var(--danger); }

.metric-card:hover {
    transform: translateY(-3px);
    background: var(--bg-card-hover);
    box-shadow: 0 12px 35px var(--glass-shadow);
}

.metric-info h3 {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    font-weight: 600;
}

.metric-val {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
}

.metric-desc {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.metric-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.metric-card.accent .metric-icon { color: var(--accent); background: var(--accent-glow); }
.metric-card.warning .metric-icon { color: var(--warning); background: var(--warning-glow); }
.metric-card.danger .metric-icon { color: var(--danger); background: var(--danger-glow); }

/* Dashboard Panel Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.dashboard-panel {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: 0 10px 30px var(--glass-shadow);
}

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

.panel-header h2 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
}

/* Alertas Críticas */
.alerts-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 380px;
    overflow-y: auto;
    padding-right: 4px;
}

.alert-item {
    display: flex;
    gap: 14px;
    padding: 14px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    font-size: 13px;
    position: relative;
    overflow: hidden;
}

.alert-item.critica {
    border-left: 4px solid var(--danger);
    background: rgba(239, 68, 68, 0.05);
}

.alert-item.advertencia {
    border-left: 4px solid var(--warning);
    background: rgba(245, 158, 11, 0.05);
}

.alert-item i {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.alert-item.critica i { color: var(--danger); }
.alert-item.advertencia i { color: var(--warning); }

.alert-content h4 {
    font-weight: 600;
    margin-bottom: 2px;
}

.alert-content p {
    color: var(--text-secondary);
}

.alert-time {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* Grillas de Filtros */
.filters-bar {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    padding: 16px 24px;
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
}

.filters-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.search-input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    outline: none;
    font-size: 13px;
    width: 250px;
    transition: var(--transition-fast);
}

.search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
}

.filter-select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    outline: none;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-select:focus {
    border-color: var(--accent);
}

.filter-select option {
    background: var(--bg-app);
    color: var(--text-primary);
}

/* Tarjetas de Camiones (Grilla de Inventario) */
.trucks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.truck-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 30px var(--glass-shadow);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.truck-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    box-shadow: 0 15px 35px var(--glass-shadow);
}

.truck-card-header {
    position: relative;
    height: 140px;
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.5) 0%, rgba(15, 23, 42, 0.8) 100%);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.truck-card-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60%;
    background: linear-gradient(to top, var(--bg-card) 0%, transparent 100%);
    pointer-events: none;
}

.truck-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.truck-badge.disponible { background: rgba(16, 185, 129, 0.15); border: 1px solid #10b981; color: #34d399; }
.truck-badge.arrendado { background: rgba(59, 130, 246, 0.15); border: 1px solid #3b82f6; color: #60a5fa; }
.truck-badge.en-mantencion { background: rgba(245, 158, 11, 0.15); border: 1px solid #f59e0b; color: #fbbf24; }
.truck-badge.fuera-de-servicio { background: rgba(239, 68, 68, 0.15); border: 1px solid #ef4444; color: #f87171; }

.truck-plate {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--accent);
}

.truck-info-main {
    margin-top: 10px;
    z-index: 2;
}

.truck-brand {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
}

.truck-model {
    font-size: 13px;
    color: var(--text-secondary);
}

.truck-card-body {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.truck-spec-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    padding: 12px;
    border-radius: var(--radius-md);
}

.spec-item {
    display: flex;
    flex-direction: column;
}

.spec-label {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--text-muted);
}

.spec-val {
    font-size: 12px;
    font-weight: 600;
}

/* Document Traffic Lights */
.doc-traffic-lights {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    padding: 12px;
    border-radius: var(--radius-md);
}

.doc-light-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
}

.doc-status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}
.doc-status-indicator.ok { background: #10b981; box-shadow: 0 0 6px #10b981; }
.doc-status-indicator.warning { background: #f59e0b; box-shadow: 0 0 6px #f59e0b; }
.doc-status-indicator.expired { background: #ef4444; box-shadow: 0 0 6px #ef4444; }

.truck-card-actions {
    padding: 0 20px 20px 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

/* Tablas Premium */
.table-container {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px var(--glass-shadow);
    overflow-x: auto;
    margin-bottom: 24px;
}

.premium-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 13px;
}

.premium-table th {
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--glass-border);
    padding: 16px 20px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
}

.premium-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-secondary);
    vertical-align: middle;
}

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

.premium-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

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

.status-pill {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    display: inline-block;
}

.status-pill.success { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid #10b981; }
.status-pill.warning { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid #f59e0b; }
.status-pill.danger { background: rgba(239, 68, 68, 0.15); color: #f87171; border: 1px solid #ef4444; }
.status-pill.info { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border: 1px solid #3b82f6; }

/* Controles de Paginación / Acciones Rápidas */
.table-actions {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-icon:hover {
    background: var(--bg-card-hover);
    color: var(--accent);
    border-color: var(--accent);
}

.btn-icon.danger:hover {
    color: var(--danger);
    border-color: var(--danger);
}

.btn-icon i {
    width: 16px;
    height: 16px;
}

/* Ventanas Modales */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-container {
    background: var(--bg-modal);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 50px var(--glass-shadow);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    flex-direction: column;
}

.modal-overlay.active .modal-container {
    transform: scale(1);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.modal-close i {
    width: 20px;
    height: 20px;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    font-weight: 600;
}

.form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    outline: none;
    font-size: 13px;
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.form-actions {
    border-top: 1px solid var(--glass-border);
    padding: 20px 24px;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Signature Pad Style */
.signature-container {
    border: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.signature-pad-canvas {
    width: 100%;
    height: 150px;
    background: white;
    cursor: crosshair;
    display: block;
}

.signature-actions {
    display: flex;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--bg-card);
    border-top: 1px solid var(--glass-border);
}

/* Indicador de Combustible Gráfico */
.fuel-level-picker {
    display: flex;
    gap: 8px;
}

.fuel-btn {
    flex-grow: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
}

.fuel-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.fuel-btn.active {
    background: var(--info-glow);
    border-color: var(--info);
    color: var(--info);
}

/* Vista del Contrato Imprimible */
#contract-iframe-container {
    width: 100%;
    height: 500px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
}

/* Restricción de Roles (Simulado) */
.role-restricted {
    position: relative;
    pointer-events: none;
    opacity: 0.4;
    filter: grayscale(80%);
}

.role-restricted::after {
    content: 'Acceso Denegado (Verifica tu Rol)';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(239, 68, 68, 0.95);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    pointer-events: auto;
    filter: none !important;
}

/* Inventario de Stock barras de progreso */
.progress-bar-container {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 6px;
}

.progress-bar-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 4px;
}

.progress-bar-fill.warning { background: var(--warning); }
.progress-bar-fill.danger { background: var(--danger); }

/* Calendario de Disponibilidad */
.availability-calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    margin-top: 12px;
}

.calendar-header {
    text-align: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
}

.calendar-day {
    aspect-ratio: 1;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 6px;
    font-size: 12px;
    position: relative;
}

.calendar-day.empty {
    opacity: 0.2;
}

.calendar-day.has-event {
    background: var(--accent-glow);
    border-color: var(--accent);
}

.calendar-day .day-num {
    font-weight: 600;
}

.calendar-day .day-event-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    align-self: center;
}

/* Animaciones extras */
.pulse-glow {
    animation: glow-pulse 2s infinite ease-in-out;
}

@keyframes glow-pulse {
    0% { box-shadow: 0 0 5px var(--danger-glow); }
    50% { box-shadow: 0 0 15px var(--danger-glow); }
    100% { box-shadow: 0 0 5px var(--danger-glow); }
}

/* Estilos Responsivos */
@media (max-width: 1024px) {
    .app-container {
        flex-direction: column;
        height: auto;
        min-height: 100vh;
    }
    .sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
        padding: 16px;
    }
    .brand-section {
        margin-bottom: 12px;
    }
    .sidebar-menu {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 8px;
        gap: 6px;
    }
    .menu-item {
        padding: 8px 12px;
        font-size: 13px;
        white-space: nowrap;
    }
    .sidebar-footer {
        display: none; /* Simplificado para móviles */
    }
    .main-content {
        height: auto;
    }
    .main-header {
        padding: 16px 20px;
    }
    .view-section {
        padding: 20px;
    }
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr !important;
    }
    .form-group.full-width {
        grid-column: span 1 !important;
    }
}

@media (max-width: 640px) {
    .main-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
        padding: 16px;
    }
    .header-title-area {
        width: 100%;
    }
    .header-title-area h1 {
        font-size: 20px;
        white-space: normal;
        word-wrap: break-word;
        line-height: 1.25;
    }
    .header-title-area p {
        font-size: 12px;
        margin-top: 4px;
    }
    .header-actions {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    .role-badge {
        width: 100%;
        justify-content: center;
        padding: 6px 12px;
        font-size: 11px;
    }
    .btn-primary {
        width: 100%;
        justify-content: center;
        padding: 8px 16px;
        font-size: 13px;
    }
    .view-section {
        padding: 16px 12px;
    }
    .metrics-grid {
        gap: 12px;
        margin-bottom: 20px;
    }
    .metric-card {
        padding: 16px;
    }
    .trucks-grid, #guard-contracts-grid {
        grid-template-columns: 1fr !important;
        gap: 16px;
    }
}

/* --- ESTILOS DE CONTROL DE ACCESOS (GUARDIA) --- */
#guard-contracts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.badge-access {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
    transition: var(--transition-fast);
}

.badge-access.pending {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.25);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.05);
}

.badge-access.validated {
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    border-color: rgba(16, 185, 129, 0.25);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.05);
}

.guard-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    position: relative;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    box-shadow: 0 8px 32px var(--glass-shadow);
}

.guard-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    border-color: rgba(16, 185, 129, 0.2);
    box-shadow: 0 12px 40px rgba(0,0,0,0.6);
}

.guard-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 12px;
}

.guard-card-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.guard-card-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.guard-card-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
}

.guard-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.guard-info-label {
    color: var(--text-muted);
    font-weight: 500;
}

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

.guard-card-footer {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 5px;
    border-top: 1px solid var(--glass-border);
    padding-top: 12px;
}

.guard-status-indicators {
    display: flex;
    gap: 8px;
    justify-content: space-between;
}

.guard-btn-action {
    width: 100%;
    padding: 10px;
    background: linear-gradient(135deg, var(--accent) 0%, #059669 100%);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-weight: 700;
    cursor: pointer;
    font-family: var(--font-heading);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 13px;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.guard-btn-action:hover {
    background: linear-gradient(135deg, var(--accent-hover) 0%, #047857 100%);
    box-shadow: 0 6px 18px rgba(16, 185, 129, 0.5);
    transform: translateY(-1px);
}