/*
 * ============================================
 * DULCETERRA - HOJA DE ESTILOS CENTRALIZADA
 * ============================================
 * Sistema de diseño unificado para toda la aplicación
 * Colores de marca + Tailwind CSS + Componentes personalizados
 * 
 * PALETA DE COLORES POR MÓDULO:
 * - Marrón (#8B4513, #6B3410): Marca Dulceterra, elementos principales
 * - Naranja (#fd7e14): Inventario / Ingredientes  
 * - Azul (#0d6efd): Recetas
 * - Verde (#198754): Productos
 * - Amarillo (#ffc107): Pedidos pendientes
 * - Info (#0dcaf0): Clientes
 * - Púrpura (#7952b3): Cocina / Producción
 * - Rojo (#dc3545): Alertas, eliminación
 */

/* ============================================
   CSS CUSTOM PROPERTIES (Variables de diseño)
   ============================================ */
:root {
    /* Colores de marca Dulceterra */
    --dt-brown: #8B4513;
    --dt-brown-dark: #6B3410;
    --dt-brown-light: #A0522D;
    --dt-cream: #FFF8DC;
    --dt-cream-light: #FFFEF0;
    --dt-pink: #FFB6C1;
    --dt-peach: #FFDAB9;
    
    /* Colores por módulo */
    --dt-inventario: #fd7e14;
    --dt-inventario-dark: #e8590c;
    --dt-recetas: #0d6efd;
    --dt-recetas-dark: #0a58ca;
    --dt-productos: #198754;
    --dt-productos-dark: #157347;
    --dt-pedidos: #ffc107;
    --dt-pedidos-dark: #e0a800;
    --dt-clientes: #0dcaf0;
    --dt-clientes-dark: #0aa2c0;
    --dt-cocina: #7952b3;
    --dt-cocina-dark: #6a42a0;
    --dt-danger: #dc3545;
    --dt-danger-dark: #b02a37;
    
    /* Tipografía */
    --dt-font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --dt-font-size-base: 14px;
    
    /* Espaciado */
    --dt-spacing-xs: 0.25rem;
    --dt-spacing-sm: 0.5rem;
    --dt-spacing-md: 1rem;
    --dt-spacing-lg: 1.5rem;
    --dt-spacing-xl: 2rem;
    
    /* Bordes */
    --dt-radius-sm: 6px;
    --dt-radius-md: 10px;
    --dt-radius-lg: 16px;
    --dt-radius-xl: 24px;
    
    /* Sombras */
    --dt-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --dt-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --dt-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --dt-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transiciones */
    --dt-transition-fast: 150ms ease;
    --dt-transition-normal: 200ms ease;
    --dt-transition-slow: 300ms ease;
}

/* ============================================
   ESTILOS BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: var(--dt-font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--dt-font-family);
    background: linear-gradient(135deg, var(--dt-cream) 0%, #ffffff 50%, var(--dt-cream-light) 100%);
    min-height: 100vh;
    color: #374151;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
}

/* Layout principal */
.dt-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.dt-main {
    flex: 1 0 auto;
}

.dt-footer {
    flex-shrink: 0;
}

/* ============================================
   NAVBAR / CABECERA
   ============================================ */
.dt-navbar {
    background: linear-gradient(135deg, var(--dt-brown) 0%, var(--dt-brown-dark) 100%);
    padding: 0.75rem 1rem;
    box-shadow: var(--dt-shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.dt-navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
    transition: var(--dt-transition-normal);
}

.dt-navbar-brand:hover {
    color: var(--dt-cream);
    transform: scale(1.02);
}

.dt-navbar-brand img {
    height: 40px;
    width: auto;
}

.dt-navbar-brand .dt-logo-text {
    font-size: 1.125rem;
    opacity: 0.9;
    font-weight: 500;
}

.dt-nav-link {
    color: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 1rem;
    border-radius: var(--dt-radius-md);
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--dt-transition-normal);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dt-nav-link:hover,
.dt-nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* ============================================
   TARJETAS
   ============================================ */
.dt-card {
    background: white;
    border-radius: var(--dt-radius-lg);
    box-shadow: var(--dt-shadow-md);
    border: 1px solid rgba(139, 69, 19, 0.08);
    overflow: hidden;
    transition: var(--dt-transition-normal);
}

.dt-card:hover {
    box-shadow: var(--dt-shadow-lg);
    transform: translateY(-2px);
}

.dt-card-header {
    background: linear-gradient(135deg, var(--dt-brown) 0%, var(--dt-brown-dark) 100%);
    color: white;
    padding: 1rem 1.25rem;
    font-weight: 600;
    font-size: 1rem;
}

/* Headers de colores por módulo */
.dt-card-header.dt-inventario {
    background: linear-gradient(135deg, var(--dt-inventario) 0%, var(--dt-inventario-dark) 100%);
}

.dt-card-header.dt-recetas {
    background: linear-gradient(135deg, var(--dt-recetas) 0%, var(--dt-recetas-dark) 100%);
}

.dt-card-header.dt-productos {
    background: linear-gradient(135deg, var(--dt-productos) 0%, var(--dt-productos-dark) 100%);
}

.dt-card-header.dt-pedidos {
    background: linear-gradient(135deg, var(--dt-pedidos) 0%, var(--dt-pedidos-dark) 100%);
    color: #1f2937;
}

.dt-card-header.dt-clientes {
    background: linear-gradient(135deg, var(--dt-clientes) 0%, var(--dt-clientes-dark) 100%);
}

.dt-card-header.dt-cocina {
    background: linear-gradient(135deg, var(--dt-cocina) 0%, var(--dt-cocina-dark) 100%);
}

.dt-card-header.dt-danger {
    background: linear-gradient(135deg, var(--dt-danger) 0%, var(--dt-danger-dark) 100%);
}

.dt-card-body {
    padding: 1.25rem;
}

.dt-card-footer {
    padding: 1rem 1.25rem;
    background: #f9fafb;
    border-top: 1px solid #e5e7eb;
}

/* ============================================
   BOTONES
   ============================================ */
.dt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--dt-radius-md);
    border: none;
    cursor: pointer;
    transition: var(--dt-transition-normal);
    text-decoration: none;
}

.dt-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--dt-shadow-md);
}

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

.dt-btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.8125rem;
}

.dt-btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

/* Variantes de botón */
.dt-btn-primary {
    background: linear-gradient(135deg, var(--dt-brown) 0%, var(--dt-brown-dark) 100%);
    color: white;
}

.dt-btn-primary:hover {
    background: linear-gradient(135deg, var(--dt-brown-dark) 0%, #5a2a0d 100%);
    color: white;
}

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

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

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

.dt-btn-pedidos {
    background: linear-gradient(135deg, var(--dt-pedidos) 0%, var(--dt-pedidos-dark) 100%);
    color: #1f2937;
}

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

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

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

.dt-btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

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

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

.dt-btn-ghost {
    background: transparent;
    color: var(--dt-brown);
}

.dt-btn-ghost:hover {
    background: var(--dt-cream);
}

/* ============================================
   STAT CARDS (Dashboard)
   ============================================ */
.dt-stat-card {
    background: white;
    border-radius: var(--dt-radius-lg);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--dt-shadow-md);
    transition: var(--dt-transition-normal);
    border-left: 4px solid transparent;
}

.dt-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--dt-shadow-xl);
}

.dt-stat-card.dt-inventario { border-left-color: var(--dt-inventario); }
.dt-stat-card.dt-recetas { border-left-color: var(--dt-recetas); }
.dt-stat-card.dt-productos { border-left-color: var(--dt-productos); }
.dt-stat-card.dt-pedidos { border-left-color: var(--dt-pedidos); }
.dt-stat-card.dt-clientes { border-left-color: var(--dt-clientes); }
.dt-stat-card.dt-cocina { border-left-color: var(--dt-cocina); }
.dt-stat-card.dt-danger { border-left-color: var(--dt-danger); }

.dt-stat-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    display: block;
}

.dt-stat-card.dt-inventario .dt-stat-icon { color: var(--dt-inventario); }
.dt-stat-card.dt-recetas .dt-stat-icon { color: var(--dt-recetas); }
.dt-stat-card.dt-productos .dt-stat-icon { color: var(--dt-productos); }
.dt-stat-card.dt-pedidos .dt-stat-icon { color: var(--dt-pedidos); }
.dt-stat-card.dt-clientes .dt-stat-icon { color: var(--dt-clientes); }
.dt-stat-card.dt-cocina .dt-stat-icon { color: var(--dt-cocina); }
.dt-stat-card.dt-danger .dt-stat-icon { color: var(--dt-danger); }

.dt-stat-number {
    font-size: 2.25rem;
    font-weight: 700;
    color: #1f2937;
    line-height: 1.2;
}

.dt-stat-label {
    font-size: 0.875rem;
    color: #6b7280;
    margin-top: 0.25rem;
}

/* ============================================
   TABLAS
   ============================================ */
.dt-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.dt-table thead {
    background: linear-gradient(135deg, var(--dt-brown) 0%, var(--dt-brown-dark) 100%);
    color: white;
}

.dt-table th {
    padding: 0.875rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.dt-table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid #e5e7eb;
}

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

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

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

/* Tabla con colores por módulo */
.dt-table.dt-inventario thead { background: linear-gradient(135deg, var(--dt-inventario) 0%, var(--dt-inventario-dark) 100%); }
.dt-table.dt-recetas thead { background: linear-gradient(135deg, var(--dt-recetas) 0%, var(--dt-recetas-dark) 100%); }
.dt-table.dt-productos thead { background: linear-gradient(135deg, var(--dt-productos) 0%, var(--dt-productos-dark) 100%); }
.dt-table.dt-cocina thead { background: linear-gradient(135deg, var(--dt-cocina) 0%, var(--dt-cocina-dark) 100%); }

/* ============================================
   BADGES
   ============================================ */
.dt-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.dt-badge-primary { background: var(--dt-brown); color: white; }
.dt-badge-inventario { background: var(--dt-inventario); color: white; }
.dt-badge-recetas { background: var(--dt-recetas); color: white; }
.dt-badge-productos { background: var(--dt-productos); color: white; }
.dt-badge-pedidos { background: var(--dt-pedidos); color: #1f2937; }
.dt-badge-clientes { background: var(--dt-clientes); color: white; }
.dt-badge-cocina { background: var(--dt-cocina); color: white; }
.dt-badge-danger { background: var(--dt-danger); color: white; }
.dt-badge-success { background: #10b981; color: white; }
.dt-badge-warning { background: #f59e0b; color: #1f2937; }
.dt-badge-gray { background: #6b7280; color: white; }

/* Badge outline */
.dt-badge-outline {
    background: transparent;
    border: 1px solid currentColor;
}

/* ============================================
   FORMULARIOS
   ============================================ */
.dt-form-group {
    margin-bottom: 1rem;
}

.dt-label {
    display: block;
    font-weight: 500;
    font-size: 0.875rem;
    color: #374151;
    margin-bottom: 0.375rem;
}

.dt-label.required::after {
    content: " *";
    color: var(--dt-danger);
}

.dt-input,
.dt-select,
.dt-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    border: 2px solid #e5e7eb;
    border-radius: var(--dt-radius-md);
    background: white;
    transition: var(--dt-transition-normal);
}

.dt-input:focus,
.dt-select:focus,
.dt-textarea:focus {
    outline: none;
    border-color: var(--dt-brown);
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

.dt-input::placeholder {
    color: #9ca3af;
}

.dt-input.error,
.dt-select.error,
.dt-textarea.error {
    border-color: var(--dt-danger);
}

.dt-error-message {
    color: var(--dt-danger);
    font-size: 0.8125rem;
    margin-top: 0.25rem;
}

/* ============================================
   ALERTAS
   ============================================ */
.dt-alert {
    padding: 1rem 1.25rem;
    border-radius: var(--dt-radius-md);
    font-size: 0.875rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.dt-alert-success {
    background: #d1fae5;
    color: #065f46;
    border-left: 4px solid #10b981;
}

.dt-alert-warning {
    background: #fef3c7;
    color: #92400e;
    border-left: 4px solid #f59e0b;
}

.dt-alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--dt-danger);
}

.dt-alert-info {
    background: #dbeafe;
    color: #1e40af;
    border-left: 4px solid #3b82f6;
}

/* ============================================
   FOOTER
   ============================================ */
.dt-footer {
    background: linear-gradient(135deg, var(--dt-brown-dark) 0%, var(--dt-brown) 100%);
    color: white;
    padding: 2rem 1rem;
}

.dt-footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--dt-transition-fast);
}

.dt-footer a:hover {
    color: white;
}

.dt-footer-social {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
}

.dt-footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--dt-transition-normal);
}

.dt-footer-social a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* ============================================
   UTILIDADES
   ============================================ */
/* Animación flotante */
@keyframes dt-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.dt-float {
    animation: dt-float 3s ease-in-out infinite;
}

/* Estado vacío */
.dt-empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: #6b7280;
}

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

/* Texto truncado */
.dt-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Skeleton loading */
.dt-skeleton {
    background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
    background-size: 200% 100%;
    animation: dt-skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--dt-radius-sm);
}

@keyframes dt-skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Tooltip */
.dt-tooltip {
    position: relative;
}

.dt-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #1f2937;
    color: white;
    padding: 0.375rem 0.625rem;
    border-radius: var(--dt-radius-sm);
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--dt-transition-fast);
    z-index: 100;
}

.dt-tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    :root {
        --dt-font-size-base: 13px;
    }
    
    .dt-stat-number {
        font-size: 1.75rem;
    }
    
    .dt-stat-icon {
        font-size: 2rem;
    }
    
    .dt-card-body {
        padding: 1rem;
    }
    
    .dt-table {
        font-size: 0.8125rem;
    }
    
    .dt-table th,
    .dt-table td {
        padding: 0.625rem 0.75rem;
    }
}

/* ============================================
   IMPRESIÓN
   ============================================ */
@media print {
    .dt-navbar,
    .dt-footer,
    .dt-btn,
    .no-print {
        display: none !important;
    }
    
    body {
        background: white;
    }
    
    .dt-card {
        box-shadow: none;
        border: 1px solid #e5e7eb;
    }
}

/* ============================================
   COMPATIBILIDAD CON BOOTSTRAP
   ============================================ */
/* Estos estilos permiten una transición gradual manteniendo compatibilidad */
.card { 
    border-radius: var(--dt-radius-lg);
    border: 1px solid rgba(139, 69, 19, 0.08);
}

.card-header {
    background: linear-gradient(135deg, var(--dt-brown) 0%, var(--dt-brown-dark) 100%);
    color: white;
    font-weight: 600;
    border: none;
}

/* Mantener colores de módulos en Bootstrap */
.card-header.bg-success { background: linear-gradient(135deg, var(--dt-productos) 0%, var(--dt-productos-dark) 100%) !important; }
.card-header.bg-primary { background: linear-gradient(135deg, var(--dt-recetas) 0%, var(--dt-recetas-dark) 100%) !important; }
.card-header.bg-warning { background: linear-gradient(135deg, var(--dt-pedidos) 0%, var(--dt-pedidos-dark) 100%) !important; color: #1f2937 !important; }
.card-header.bg-info { background: linear-gradient(135deg, var(--dt-clientes) 0%, var(--dt-clientes-dark) 100%) !important; }
.card-header.bg-danger { background: linear-gradient(135deg, var(--dt-danger) 0%, var(--dt-danger-dark) 100%) !important; }
.card-header.bg-purple { background: linear-gradient(135deg, var(--dt-cocina) 0%, var(--dt-cocina-dark) 100%) !important; }

.bg-orange, .bg-orange-stat { background: linear-gradient(135deg, var(--dt-inventario) 0%, var(--dt-inventario-dark) 100%) !important; }
.bg-purple { background: linear-gradient(135deg, var(--dt-cocina) 0%, var(--dt-cocina-dark) 100%) !important; }

.btn-primary {
    background: linear-gradient(135deg, var(--dt-brown) 0%, var(--dt-brown-dark) 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--dt-brown-dark) 0%, #5a2a0d 100%);
}

/* Form controls */
.form-control:focus,
.form-select:focus {
    border-color: var(--dt-brown);
    box-shadow: 0 0 0 0.2rem rgba(139, 69, 19, 0.15);
}

/* Tables */
.table thead {
    background: linear-gradient(135deg, var(--dt-brown) 0%, var(--dt-brown-dark) 100%);
    color: white;
}

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

/* Navbar */
.navbar-dulceterra {
    background: linear-gradient(135deg, var(--dt-brown) 0%, var(--dt-brown-dark) 100%) !important;
}