/* ===========================================
   PALETA DE COLORES - MODO OSCURO
   Modificar estas variables para cambiar toda la UI
   =========================================== */

:root {
    /* Colores principales */
    --color-primary: #6366f1;          /* Indigo - color principal */
    --color-primary-hover: #4f46e5;    /* Indigo mas oscuro */
    --color-primary-light: #818cf8;    /* Indigo claro */

    /* Colores de acento */
    --color-accent: #22d3ee;           /* Cyan */
    --color-accent-hover: #06b6d4;

    /* Colores de estado */
    --color-success: #10b981;          /* Verde */
    --color-warning: #f59e0b;          /* Amarillo */
    --color-danger: #ef4444;           /* Rojo */
    --color-info: #3b82f6;             /* Azul */

    /* Fondos */
    --bg-body: #0f172a;                /* Fondo principal - muy oscuro */
    --bg-card: #1e293b;                /* Fondo de cards */
    --bg-card-hover: #334155;          /* Fondo card hover */
    --bg-input: #1e293b;               /* Fondo de inputs */
    --bg-navbar: #0f172a;              /* Fondo navbar */

    /* Bordes */
    --border-color: #334155;           /* Color de bordes */
    --border-color-light: #475569;     /* Bordes mas claros */

    /* Textos */
    --text-primary: #f1f5f9;           /* Texto principal */
    --text-secondary: #94a3b8;         /* Texto secundario */
    --text-muted: #64748b;             /* Texto apagado */

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);

    /* Bordes redondeados */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* ===========================================
   ESTILOS BASE
   =========================================== */

body {
    background-color: var(--bg-body);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Links */
a {
    color: var(--color-primary-light);
    text-decoration: none;
}

a:hover {
    color: var(--color-primary);
}

/* ===========================================
   NAVBAR
   =========================================== */

.navbar {
    background-color: var(--bg-navbar) !important;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    color: var(--text-primary) !important;
    font-weight: 600;
}

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
}

.navbar-nav .nav-link:hover {
    color: var(--text-primary) !important;
}

.navbar-text {
    color: var(--text-muted) !important;
}

/* Navbar toggler personalizado */
.navbar-toggler {
    border-color: var(--border-color);
    padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28148, 163, 184, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Menu mobile mejorado */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: var(--bg-navbar);
        border-top: 1px solid var(--border-color);
        margin-top: 0.5rem;
        padding: 0.5rem 0;
        border-radius: var(--radius-md);
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem !important;
        border-radius: var(--radius-sm);
        margin: 0.125rem 0;
    }
    
    .navbar-nav .nav-link:hover {
        background-color: var(--bg-card-hover);
    }
    
    .navbar-nav .nav-link.disabled {
        opacity: 0.7;
    }
}

/* ===========================================
   CARDS
   =========================================== */

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.card-body {
    color: var(--text-primary);
}

.card-hover:hover {
    background-color: var(--bg-card-hover);
    transform: translateY(-2px);
    transition: all 0.2s ease;
}

/* ===========================================
   FORMULARIOS
   =========================================== */

.form-control,
.form-select {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-md);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bg-input);
    border-color: var(--color-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===========================================
   BOTONES
   =========================================== */

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

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

.btn-outline-primary {
    color: var(--color-primary-light);
    border-color: var(--color-primary);
}

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

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

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

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

.btn-secondary:hover {
    background-color: var(--border-color-light);
    border-color: var(--border-color-light);
    color: var(--text-primary);
}

/* ===========================================
   TABLAS
   =========================================== */

.table {
    color: var(--text-primary);
    --bs-table-bg: var(--bg-card);
    --bs-table-hover-bg: var(--bg-card-hover);
    --bs-table-striped-bg: var(--bg-card-hover);
}

.table thead th {
    background-color: var(--bg-card) !important;
    border-bottom: 2px solid var(--border-color) !important;
    color: var(--text-secondary) !important;
    font-weight: 600;
}

.table tbody td {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

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

/* ===========================================
   ALERTAS
   =========================================== */

.alert {
    border-radius: var(--radius-md);
    border: none;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--color-danger);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
}

.alert-info {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--color-info);
}

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

/* ===========================================
   BADGES
   =========================================== */

.badge {
    border-radius: var(--radius-sm);
    font-weight: 500;
}

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

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

.badge-warning {
    background-color: var(--color-warning);
    color: #000;
}

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

/* ===========================================
   STATS CARDS
   =========================================== */

.stat-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-card-hover) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.primary {
    background-color: rgba(99, 102, 241, 0.2);
    color: var(--color-primary-light);
}

.stat-icon.success {
    background-color: rgba(16, 185, 129, 0.2);
    color: var(--color-success);
}

.stat-icon.warning {
    background-color: rgba(245, 158, 11, 0.2);
    color: var(--color-warning);
}

.stat-icon.danger {
    background-color: rgba(239, 68, 68, 0.2);
    color: var(--color-danger);
}

/* ===========================================
   VEHICULO CARD
   =========================================== */

.vehiculo-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.3s ease;
}

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

.vehiculo-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background-color: var(--bg-card-hover);
}

.vehiculo-img-placeholder {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, var(--bg-card-hover) 0%, var(--border-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 3rem;
}

/* ===========================================
   LISTA DE GASTOS
   =========================================== */

.gasto-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 0.75rem;
    transition: all 0.2s ease;
}

.gasto-item:hover {
    background-color: var(--bg-card-hover);
}

.gasto-monto {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-danger);
}

.gasto-km {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===========================================
   EMPTY STATE
   =========================================== */

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* ===========================================
   UTILITIES
   =========================================== */

.text-primary {
    color: var(--color-primary-light) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.text-success {
    color: var(--color-success) !important;
}

.text-danger {
    color: var(--color-danger) !important;
}

.bg-dark-subtle {
    background-color: var(--bg-card) !important;
}

.bg-body {
    background-color: var(--bg-body) !important;
}

.border-dark {
    border-color: var(--border-color) !important;
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-color-light);
}

/* ===========================================
   MODALES
   =========================================== */

.modal {
    background-color: rgba(0, 0, 0, 0.7);
}

.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

.modal-title {
    color: var(--text-primary);
    font-weight: 600;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

.btn-close-modal {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

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

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 1040;
}

.modal.show {
    display: block;
    z-index: 1050;
}

/* Input group en modo oscuro */
.input-group-text {
    background-color: var(--bg-card-hover);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* HTMX loading indicator */
.htmx-request .htmx-indicator {
    display: inline-block;
}

.htmx-indicator {
    display: none;
}

/* ===========================================
   LOGO
   =========================================== */

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo-img-lg {
    width: 100px;
    height: 100px;
    object-fit: contain;
}

.logo-img-sm {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

/* ===========================================
   DROPDOWNS
   =========================================== */

.dropdown-menu {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.dropdown-item {
    color: var(--text-primary);
}

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

.dropdown-item i {
    color: var(--text-secondary);
}

/* ===========================================
   LIST GROUP (modo oscuro)
   =========================================== */

.list-group-item {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.list-group-item-action:hover,
.list-group-item-action:focus {
    background-color: var(--bg-card-hover);
    color: var(--text-primary);
}

/* ===========================================
   MODAL - Estilos adicionales modo oscuro
   =========================================== */

.modal-content .form-check-label {
    color: var(--text-primary);
}

.modal-content .form-text {
    color: var(--text-muted);
}

.modal-content h6,
.modal-content h5,
.modal-content h4 {
    color: var(--text-primary);
}

.modal-content p,
.modal-content span,
.modal-content label {
    color: var(--text-primary);
}

.modal-content .text-muted {
    color: var(--text-muted) !important;
}

.modal-content .small {
    color: var(--text-secondary);
}

.modal-content hr {
    border-color: var(--border-color);
    opacity: 1;
}

/* ===========================================
   FLOATING ACTION BUTTON (FAB)
   =========================================== */

.fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--color-primary);
    border: none;
    color: white;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 1000;
}

.fab:hover {
    background-color: var(--color-primary-hover);
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.5);
}

.fab:active {
    transform: scale(0.95);
}

@media (max-width: 767.98px) {
    .fab {
        bottom: 16px;
        right: 16px;
        width: 52px;
        height: 52px;
    }
}

/* FAB Container y Menu */
.fab-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.fab-container .fab {
    position: relative;
    bottom: auto;
    right: auto;
}

.fab-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.2s ease;
}

.fab-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.fab-menu-item {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all 0.2s ease;
}

.fab-menu-item:hover {
    background-color: var(--bg-card-hover);
    transform: translateX(-4px);
}

.fab i.rotate {
    transform: rotate(45deg);
    transition: transform 0.2s ease;
}

.fab i {
    transition: transform 0.2s ease;
}

@media (max-width: 767.98px) {
    .fab-container {
        bottom: 16px;
        right: 16px;
    }
}