/**
 * Estilos personalizados para PrintCraft Dashboard
 * Sistema de Cotización y Gestión de Impresión 3D
 * 
 * @author PrintCraft Development Team
 * @version 1.0.0
 */

/* =================================================================
   VARIABLES CSS - Sistema de diseño con soporte para Dark Mode
   ================================================================= */

/* Modo claro (por defecto) */
:root {
    /* Colores primarios */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-primary-50: #eef2ff;
    
    /* Colores secundarios */
    --color-secondary: #10b981;
    --color-secondary-dark: #059669;
    --color-secondary-light: #34d399;
    
    /* Colores de estado */
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* Colores neutros */
    --color-bg: #f8fafc;
    --color-bg-card: #ffffff;
    --color-bg-hover: #f1f5f9;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    
    /* Colores de texto */
    --color-text: #1e293b;
    --color-text-secondary: #64748b;
    --color-text-muted: #94a3b8;
    --color-text-inverse: #ffffff;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --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);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Bordes redondeados */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

/* Modo oscuro */
.dark {
    --color-primary: #818cf8;
    --color-primary-dark: #6366f1;
    --color-primary-light: #a5b4fc;
    --color-primary-50: #1e1b4b;
    
    --color-secondary: #34d399;
    --color-secondary-dark: #10b981;
    --color-secondary-light: #6ee7b7;
    
    --color-success: #4ade80;
    --color-warning: #fbbf24;
    --color-error: #f87171;
    --color-info: #60a5fa;
    
    --color-bg: #0f172a;
    --color-bg-card: #1e293b;
    --color-bg-hover: #334155;
    --color-border: #334155;
    --color-border-light: #1e293b;
    
    --color-text: #f1f5f9;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    --color-text-inverse: #0f172a;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.4), 0 8px 10px -6px rgb(0 0 0 / 0.3);
}

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

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* =================================================================
   LAYOUT PRINCIPAL
   ================================================================= */

/* Barra superior */
.navbar {
    background-color: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.navbar-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

/* Navegación con tabs */
.nav-tabs {
    display: flex;
    gap: 0.5rem;
    background-color: var(--color-bg);
    padding: 0.375rem;
    border-radius: var(--radius-lg);
}

.nav-tab {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    background: none;
}

.nav-tab:hover {
    background-color: var(--color-bg-hover);
    color: var(--color-text);
}

.nav-tab.active {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

/* Controles de la navbar */
.navbar-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Toggle de Dark Mode */
.dark-mode-toggle {
    width: 48px;
    height: 28px;
    background-color: var(--color-border);
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    border: none;
}

.dark-mode-toggle::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background-color: white;
    border-radius: 50%;
    transition: transform var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.dark-mode-toggle.active {
    background-color: var(--color-primary);
}

.dark-mode-toggle.active::before {
    transform: translateX(20px);
}

/* Contenedor principal */
.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* =================================================================
   TARJETAS DE MÉTRICAS
   ================================================================= */

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.metric-card {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.metric-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.metric-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.metric-icon.total {
    background-color: var(--color-primary-50);
    color: var(--color-primary);
}

.metric-icon.cost {
    background-color: #fef2f2;
    color: var(--color-error);
}

.metric-icon.profit {
    background-color: #f0fdf4;
    color: var(--color-success);
}

.dark .metric-icon.cost {
    background-color: rgba(239, 68, 68, 0.1);
}

.dark .metric-icon.profit {
    background-color: rgba(34, 197, 94, 0.1);
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
}

.metric-change {
    font-size: 0.75rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.metric-change.positive {
    color: var(--color-success);
}

.metric-change.negative {
    color: var(--color-error);
}

/* =================================================================
   SECCIÓN DE PEDIDOS
   ================================================================= */

.pedidos-section {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.section-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

/* Barra de controles */
.controls-bar {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 200px;
    max-width: 400px;
}

.search-input {
    width: 100%;
    padding: 0.625rem 1rem 0.625rem 2.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-size: 0.875rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-50);
}

.search-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
}

/* Filtros de estado */
.filter-tabs {
    display: flex;
    gap: 0.25rem;
    background-color: var(--color-bg);
    padding: 0.25rem;
    border-radius: var(--radius-lg);
}

.filter-tab {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    background: none;
}

.filter-tab:hover {
    color: var(--color-text);
}

.filter-tab.active {
    background-color: var(--color-bg-card);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* Botón principal */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-lg);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-decoration: none;
}

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

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

.btn-secondary {
    background-color: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

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

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

.btn-success:hover {
    background-color: #16a34a;
}

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

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

/* Tabla de pedidos */
.pedidos-table-container {
    overflow-x: auto;
}

.pedidos-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.pedidos-table th {
    text-align: left;
    padding: 1rem 1.5rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.pedidos-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text);
}

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

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

/* Badges de estado */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: capitalize;
}

.badge-pendiente {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-aprobado {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-rechazado {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-finalizado {
    background-color: #d1fae5;
    color: #065f46;
}

.dark .badge-pendiente {
    background-color: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
}

.dark .badge-aprobado {
    background-color: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}

.dark .badge-rechazado {
    background-color: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.dark .badge-finalizado {
    background-color: rgba(34, 197, 94, 0.15);
    color: #4ade80;
}

/* Acciones de tabla */
.table-actions {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-card);
    color: var(--color-text-secondary);
}

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

.action-btn.danger:hover {
    border-color: var(--color-error);
    color: var(--color-error);
    background-color: #fef2f2;
}

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

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.95);
    transition: transform var(--transition-fast);
}

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

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    background-color: var(--color-bg);
    color: var(--color-text-secondary);
}

.modal-close:hover {
    background-color: var(--color-error);
    color: white;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

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

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-size: 0.875rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-50);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-error {
    font-size: 0.75rem;
    color: var(--color-error);
    margin-top: 0.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* =================================================================
   CÁLCULO DE COSTOS (EN MODAL)
   ================================================================= */

.cost-summary {
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: 1rem;
    margin-top: 1rem;
}

.cost-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
}

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

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

.cost-value {
    font-weight: 600;
    color: var(--color-text);
}

.cost-total {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* =================================================================
   CATÁLOGO DE PRODUCTOS
   ================================================================= */

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.product-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    width: 100%;
    height: 180px;
    background-color: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--color-text-muted);
}

.product-content {
    padding: 1.25rem;
}

.product-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.product-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

.product-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.product-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* =================================================================
   CONFIGURACIÓN
   ================================================================= */

.settings-section {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.settings-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

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

.setting-item label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.setting-item .form-input {
    max-width: 200px;
}

/* =================================================================
   TOASTS / NOTIFICACIONES
   ================================================================= */

.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    max-width: 450px;
    animation: slideIn var(--transition-normal) ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

.toast.error {
    border-left: 4px solid var(--color-error);
}

.toast.warning {
    border-left: 4px solid var(--color-warning);
}

.toast-icon {
    font-size: 1.25rem;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.875rem;
}

.toast-message {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

/* =================================================================
   ESTADOS VACÍOS
   ================================================================= */

.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
}

.empty-icon {
    font-size: 4rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.empty-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.empty-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}

/* =================================================================
   LOADING / SPINNER
   ================================================================= */

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.dark .loading-overlay {
    background-color: rgba(15, 23, 42, 0.8);
}

/* =================================================================
   RESPONSIVE
   ================================================================= */

@media (max-width: 768px) {
    .navbar-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-tabs {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .section-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .controls-bar {
        flex-direction: column;
    }
    
    .search-box {
        max-width: none;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .pedidos-table th,
    .pedidos-table td {
        padding: 0.75rem 1rem;
    }
    
    .modal {
        max-width: 100%;
        margin: 0;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        max-height: 85vh;
    }
}

/* =================================================================
   UTILIDADES
   ================================================================= */

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

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

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }