/* ============================================================
   ESTILOS CSS - STOCKPRO
   Diseño premium, responsive, glassmorphism y soporte de temas
   ============================================================ */

/* ------------------------------------------------------------
   VARIABLES DE DISEÑO Y TEMAS
   ------------------------------------------------------------ */
:root {
    /* Tipografía */
    --font-primary: 'Outfit', sans-serif;
    
    /* Bordes y Sombras */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-fast: all 0.15s ease;
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.16);
    --shadow-glow-cyan: 0 0 18px rgba(34, 197, 94, 0.32);
    
    /* Colores Semánticos */
    --color-success: hsl(142, 72%, 45%);
    --color-warning: hsl(38, 92%, 50%);
    --color-danger: hsl(0, 84%, 60%);
    --color-info: hsl(200, 95%, 48%);
    
    /* Colores Categorías */
    --color-cat-productos: #22C55E;
    --color-cat-insumos: #06B6D4;
    --color-cat-herramientas: #8B5CF6;
    --color-cat-refacciones: #F97316;
    --color-cat-limpieza: #14B8A6;
    --color-cat-proteccion: #10B981;
    --color-cat-otro: #64748B;
    --accent-primary: #22C55E;
    --accent-secondary: #06B6D4;
}

/* Modo Oscuro (Predeterminado) */
.theme-dark {
    --bg-primary: #07111F;
    --bg-secondary: #0D1B2E;
    --bg-tertiary: #14243B;
    --bg-sidebar: #081426;
    --text-primary: #F3F4F6;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    
    --border-color: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(255, 255, 255, 0.12);
    
    --glass-bg: rgba(17, 27, 48, 0.75);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    --input-bg: #14203B;
    --input-border: rgba(255, 255, 255, 0.1);
    --input-focus-border: var(--accent-primary);
    
    --card-gradient-cyan: linear-gradient(135deg, rgba(34, 197, 94, 0.16) 0%, rgba(6, 182, 212, 0.06) 100%);
    --card-gradient-warning: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(239, 68, 68, 0.05) 100%);
    --card-gradient-blue: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(139, 92, 246, 0.06) 100%);
    
    --btn-secondary-bg: #192642;
    --btn-secondary-hover: #22345B;
    
    --scrollbar-thumb: #1E2E4F;
    --scrollbar-track: #0B1224;
}

/* Modo Claro */
.theme-light {
    --bg-primary: #F3F5F9;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #E5E7EB;
    --bg-sidebar: #FFFFFF;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    
    --border-color: rgba(15, 23, 42, 0.08);
    --border-hover: rgba(15, 23, 42, 0.15);
    
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(15, 23, 42, 0.06);
    --glass-shadow: 0 8px 32px 0 rgba(148, 163, 184, 0.15);
    
    --input-bg: #F8FAFC;
    --input-border: rgba(15, 23, 42, 0.12);
    --input-focus-border: #16A34A;
    
    --card-gradient-cyan: linear-gradient(135deg, rgba(34, 197, 94, 0.08) 0%, rgba(6, 182, 212, 0.04) 100%);
    --card-gradient-warning: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, rgba(239, 68, 68, 0.04) 100%);
    --card-gradient-blue: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(139, 92, 246, 0.04) 100%);
    
    --btn-secondary-bg: #E2E8F0;
    --btn-secondary-hover: #CBD5E1;
    
    --scrollbar-thumb: #CBD5E1;
    --scrollbar-track: #F1F5F9;
}

/* ------------------------------------------------------------
   RESETEOS Y SOPORTE BÁSICO
   ------------------------------------------------------------ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* Barra de Desplazamiento Estilizada */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    filter: brightness(1.2);
}

/* Contenedor Principal de la App */
.app-container {
    display: grid;
    grid-template-columns: 260px 1fr;
    width: 100%;
    min-height: 100vh;
}

[hidden] {
    display: none !important;
}

@media (max-width: 1024px) {
    .app-container {
        grid-template-columns: 80px 1fr;
    }
}

@media (max-width: 768px) {
    .app-container {
        grid-template-columns: 1fr;
    }
}

/* ------------------------------------------------------------
   COMPONENTE: BARRA LATERAL (SIDEBAR)
   ------------------------------------------------------------ */
.sidebar {
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
    height: 100vh;
    position: sticky;
    top: 0;
    transition: width 0.3s ease, background-color 0.4s ease, border-color 0.4s ease;
    z-index: 100;
}

.sidebar-header {
    margin-bottom: 36px;
    display: flex;
    align-items: center;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 38px;
    height: 38px;
    color: #22C55E;
}

.logo-text {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.logo-text span {
    color: #22C55E;
    font-weight: 500;
}

@media (max-width: 1024px) {
    .logo-text, .sidebar-footer, .theme-btn span {
        display: none;
    }
    .logo-wrapper {
        justify-content: center;
        width: 100%;
    }
    .sidebar {
        padding: 24px 8px;
        align-items: center;
    }
}

@media (max-width: 768px) {
    .sidebar {
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 16px;
    }
    .logo-text {
        display: block;
    }
    .logo-wrapper {
        justify-content: flex-start;
    }
    .sidebar-header {
        margin-bottom: 16px;
    }
}

.sidebar-nav {
    flex-grow: 1;
}

.sidebar-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

@media (max-width: 768px) {
    .sidebar-nav ul {
        flex-direction: row;
        justify-content: space-around;
        flex-wrap: wrap;
        gap: 4px;
    }
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.nav-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.nav-link.active {
    color: #ffffff;
    background: linear-gradient(135deg, #22C55E 0%, #06B6D4 100%);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.2);
}

.nav-count {
    min-width: 20px;
    height: 20px;
    margin-left: auto;
    padding: 0 6px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-warning);
    color: #111827;
    font-size: 11px;
    font-weight: 800;
}

@media (max-width: 1024px) {
    .nav-link {
        justify-content: center;
        padding: 12px;
        border-radius: 50%;
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 768px) {
    .nav-link {
        border-radius: var(--radius-md);
        width: auto;
        height: auto;
        padding: 10px 14px;
        font-size: 14px;
    }
}

/* Selector de Tema */
.theme-toggle-container {
    margin-top: auto;
    margin-bottom: 16px;
}

@media (max-width: 768px) {
    .theme-toggle-container {
        margin-top: 0;
        margin-bottom: 0;
        position: absolute;
        top: 16px;
        right: 16px;
    }
}

.theme-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: var(--btn-secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    font-family: inherit;
    transition: var(--transition-smooth);
}

.theme-btn:hover {
    background-color: var(--btn-secondary-hover);
    transform: translateY(-2px);
}

.theme-btn svg {
    width: 18px;
    height: 18px;
}

/* Control de visibilidad del icono según tema activo */
.theme-dark .dark-visible { display: none; }
.theme-dark .light-visible { display: flex; align-items: center; gap: 8px; }
.theme-light .dark-visible { display: flex; align-items: center; gap: 8px; }
.theme-light .light-visible { display: none; }

.sidebar-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
    font-size: 12px;
    color: var(--text-muted);
}

.sidebar-footer .author {
    font-weight: 600;
    color: var(--text-secondary);
}

/* ------------------------------------------------------------
   LAYOUT DEL CONTENIDO PRINCIPAL
   ------------------------------------------------------------ */
.main-content {
    width: 100%;
    min-width: 0;
    padding: clamp(24px, 3vw, 40px);
    height: 100vh;
    overflow-y: auto;
    transition: background-color 0.4s ease;
}

@media (max-width: 768px) {
    .main-content {
        padding: 24px 16px;
        height: auto;
    }
}

.content-section {
    display: none;
    animation: fadeIn 0.4s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
    width: 100%;
    max-width: 100%;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

@media (max-width: 768px) {
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        margin-bottom: 24px;
    }
}

.section-header h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.section-header .subtitle {
    color: var(--text-secondary);
    font-size: 15px;
    margin-top: 4px;
}

.date-badge {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ------------------------------------------------------------
   DISEÑO GLASSMORPHISM
   ------------------------------------------------------------ */
.shadow-glass {
    background-color: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    transition: border-color 0.4s ease, background-color 0.4s ease;
}

/* ------------------------------------------------------------
   TARJETAS DE ESTADÍSTICAS (DASHBOARD STATS)
   ------------------------------------------------------------ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.stats-grid > *,
.dashboard-row > *,
.config-grid > * {
    min-width: 0;
}

@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 860px) {
    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.stat-card {
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
}

.stat-card.card-cyan {
    background: var(--card-gradient-cyan);
    box-shadow: 0 4px 20px rgba(34, 197, 94, 0.05);
}

.stat-card.card-cyan .stat-icon-wrapper {
    background-color: rgba(34, 197, 94, 0.15);
    color: #22C55E;
}

.stat-card.card-warning {
    background: var(--card-gradient-warning);
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.05);
}

.stat-card.card-warning .stat-icon-wrapper {
    background-color: rgba(245, 158, 11, 0.15);
    color: #F59E0B;
}

/* Alerta de parpadeo suave para stock crítico */
.stat-card.card-warning.critical-alert {
    animation: pulseGlow 2s infinite ease-in-out;
}

@keyframes pulseGlow {
    0% {
        box-shadow: 0 4px 20px rgba(245, 158, 11, 0.05), 0 0 0 0px rgba(245, 158, 11, 0.2);
        border-color: rgba(245, 158, 11, 0.3);
    }
    50% {
        box-shadow: 0 4px 20px rgba(245, 158, 11, 0.1), 0 0 10px 4px rgba(245, 158, 11, 0.15);
        border-color: rgba(245, 158, 11, 0.6);
    }
    100% {
        box-shadow: 0 4px 20px rgba(245, 158, 11, 0.05), 0 0 0 0px rgba(245, 158, 11, 0);
        border-color: rgba(245, 158, 11, 0.3);
    }
}

.stat-card.card-blue {
    background: var(--card-gradient-blue);
    box-shadow: 0 4px 20px rgba(6, 182, 212, 0.05);
}

.stat-card.card-blue .stat-icon-wrapper {
    background-color: rgba(6, 182, 212, 0.15);
    color: #06B6D4;
}

.stat-icon-wrapper {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon-wrapper svg {
    width: 26px;
    height: 26px;
}

.stat-details {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    margin-top: 4px;
}

/* ------------------------------------------------------------
   FILAS Y TARJETAS GENERALES DEL DASHBOARD
   ------------------------------------------------------------ */
.dashboard-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    width: 100%;
}

@media (max-width: 900px) {
    .dashboard-row {
        grid-template-columns: 1fr;
    }
}

.dashboard-card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    min-height: 320px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.card-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-y: auto;
}

/* Estado Vacío de Tarjetas */
.empty-state-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 32px;
    flex-grow: 1;
    color: var(--text-muted);
}

.empty-state-placeholder svg {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    opacity: 0.6;
}

.empty-state-placeholder p {
    font-size: 14px;
    max-width: 250px;
}

/* Listado de Materiales Críticos */
.critical-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 240px;
    overflow-y: auto;
}

.critical-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.critical-item:hover {
    border-color: var(--color-danger);
    transform: translateX(4px);
}

.critical-item-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.critical-item-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
}

.critical-item-category {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
}

.critical-item-stock {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Distribución por Categorías - Barras de Progreso */
.category-bars-container {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.category-bar-wrapper {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.category-bar-header {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 500;
}

.category-bar-title {
    color: var(--text-secondary);
}

.category-bar-percentage {
    color: var(--text-primary);
    font-weight: 600;
}

.category-bar-outer {
    width: 100%;
    height: 8px;
    background-color: var(--bg-primary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.category-bar-inner {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ------------------------------------------------------------
   BOTONES E INTERFAZ DE USUARIO
   ------------------------------------------------------------ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn:disabled,
.btn-icon-only:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

.btn svg {
    width: 16px;
    height: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, #22C55E 0%, #06B6D4 100%);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(34, 197, 94, 0.2);
}

.btn-primary:hover {
    box-shadow: 0 6px 18px rgba(34, 197, 94, 0.35);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: var(--btn-secondary-hover);
    transform: translateY(-2px);
}

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

.btn-danger:hover {
    filter: brightness(0.9);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.25);
}

/* Botones Pequeños de Acción */
.btn-icon-only {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.btn-icon-only:hover {
    background-color: var(--btn-secondary-hover);
    transform: scale(1.05);
}

.btn-icon-only.btn-edit:hover {
    color: #22C55E;
    border-color: #22C55E;
}

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

.btn-icon-only.btn-add-qty:hover {
    color: var(--color-success);
    border-color: var(--color-success);
}

.btn-icon-only.btn-sub-qty:hover {
    color: var(--color-warning);
    border-color: var(--color-warning);
}

.btn-icon-only svg {
    width: 15px;
    height: 15px;
}

/* ------------------------------------------------------------
   SECCIÓN INVENTARIO - FILTROS Y TABLA
   ------------------------------------------------------------ */
.filter-bar {
    padding: 16px 24px;
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex-grow: 1;
    max-width: 450px;
    min-width: 260px;
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: 10px 14px 10px 42px;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

.filter-dropdowns {
    display: flex;
    gap: 12px;
}

.filter-dropdowns select {
    padding: 10px 14px;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    cursor: pointer;
    outline: none;
    transition: var(--transition-fast);
}

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

/* Contenedor de Tabla */
.table-container {
    overflow-x: auto;
    padding: 8px;
}

.inventory-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
    text-align: left;
}

.inventory-table th, .inventory-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
}

.inventory-table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.inventory-table th.sortable {
    cursor: pointer;
    user-select: none;
}

.inventory-table th.sortable:hover {
    color: var(--text-primary);
}

.sort-indicator {
    font-size: 11px;
    margin-left: 4px;
    color: var(--text-muted);
}

.inventory-table tbody tr {
    transition: background-color 0.15s ease;
}

.inventory-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Alineaciones */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-secondary { color: var(--text-secondary); }

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

/* Badges de Categoría */
.cat-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: var(--radius-full);
}

.cat-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.dot-resinas { background-color: var(--color-cat-resinas); }
.dot-impresion { background-color: var(--color-cat-impresion); }
.dot-proteccion { background-color: var(--color-cat-proteccion); }
.dot-instrumental { background-color: var(--color-cat-instrumental); }
.dot-otro { background-color: var(--color-cat-otro); }

/* Badges de Estado del Stock */
.badge {
    display: inline-flex;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.12);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.12);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.12);
    color: var(--color-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.stock-action-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.stock-qty-display {
    font-weight: 700;
    min-width: 30px;
}

/* Estado de Tabla Vacía */
.table-empty {
    min-height: 250px;
}

/* ------------------------------------------------------------
   SECCIÓN FORMULARIO - AGREGAR / EDITAR
   ------------------------------------------------------------ */
.form-wrapper {
    padding: 32px;
    max-width: 760px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .form-wrapper {
        padding: 20px;
    }
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input, .form-group textarea {
    padding: 11px 14px;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

.col-12 { grid-column: span 12; }
.col-6 { grid-column: span 6; }

@media (max-width: 600px) {
    .col-6 { grid-column: span 12; }
}

/* Botones de Radio en Rejilla de Categorías */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.category-radio-card {
    cursor: pointer;
}

.category-radio-card input[type="radio"] {
    display: none;
}

.radio-card-content {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
}

.category-radio-card:hover .radio-card-content {
    border-color: var(--border-hover);
    background-color: var(--bg-tertiary);
}

.category-radio-card input[type="radio"]:checked + .radio-card-content {
    border-color: var(--active-border-color, #22C55E);
    background-color: var(--bg-secondary);
    box-shadow: var(--shadow-sm);
}

.category-radio-card input[type="radio"]:checked + .radio-card-content .cat-title {
    font-weight: 600;
}

.cat-title {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 500;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 14px;
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
}

/* ------------------------------------------------------------
   SECCIÓN CONFIGURACIÓN
   ------------------------------------------------------------ */
.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
    gap: 24px;
}

.col-12-desktop {
    grid-column: span 2;
}

@media (max-width: 900px) {
    .col-12-desktop {
        grid-column: span 1;
    }
}

.config-card {
    min-height: auto;
}

.input-description {
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 16px;
}

.numeric-config-wrapper {
    display: flex;
    gap: 12px;
}

.numeric-config-wrapper input {
    padding: 10px 14px;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    width: 90px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
}

.backup-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.flex-1 {
    flex-grow: 1;
}

.divider {
    text-align: center;
    position: relative;
    margin: 18px 0;
}

.divider::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background-color: var(--border-color);
    z-index: 1;
}

.divider span {
    background-color: var(--bg-secondary);
    padding: 0 10px;
    font-size: 12px;
    color: var(--text-muted);
    position: relative;
    z-index: 2;
    text-transform: uppercase;
}

.file-import-label {
    width: 100%;
    text-align: center;
    padding: 12px;
}

.system-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}


.import-options-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 18px;
    align-items: stretch;
}

.paste-import-box {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
}

.paste-import-box label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
}

.paste-import-box textarea {
    width: 100%;
    resize: vertical;
    min-height: 110px;
    margin-bottom: 12px;
    padding: 12px;
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    background-color: var(--input-bg);
    color: var(--text-primary);
    font-family: inherit;
}

.paste-import-box textarea:focus {
    outline: none;
    border-color: var(--input-focus-border);
}

.mini-description {
    margin-top: 10px;
    margin-bottom: 0;
    font-size: 12.5px;
}

.import-preview {
    margin-top: 22px;
    padding: 18px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
}

.import-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.import-preview-header h3 {
    font-size: 18px;
    margin-bottom: 4px;
}

.import-preview-header p {
    color: var(--text-secondary);
    font-size: 13px;
}

.import-mode-selector {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.import-mode-selector label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
}

.import-preview-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.import-preview-table {
    min-width: 760px;
}

.import-preview-actions {
    margin-top: 16px;
    border-top: 0;
    padding-top: 0;
}

.pending-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

@media (max-width: 850px) {
    .import-options-grid,
    .import-preview-header {
        grid-template-columns: 1fr;
        flex-direction: column;
    }
}

/* ------------------------------------------------------------
   TOASTS (NOTIFICACIONES FLOTANTES)
   ------------------------------------------------------------ */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 999;
}

@media (max-width: 600px) {
    .toast-container {
        right: 12px;
        bottom: 12px;
        left: 12px;
    }

    .toast {
        width: 100%;
        min-width: 0;
    }
}

.toast {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--color-info);
    padding: 14px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    min-width: 280px;
    max-width: 400px;
    animation: slideIn 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) forwards,
               fadeOut 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) 3.7s forwards;
    pointer-events: auto;
}

.toast.toast-success { border-left-color: var(--color-success); }
.toast.toast-warning { border-left-color: var(--color-warning); }
.toast.toast-danger { border-left-color: var(--color-danger); }

.toast-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.toast-success .toast-icon { color: var(--color-success); }
.toast-warning .toast-icon { color: var(--color-warning); }
.toast-danger .toast-icon { color: var(--color-danger); }

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

/* ------------------------------------------------------------
   GESTIÓN DE CATEGORÍAS (AJUSTES)
   ------------------------------------------------------------ */
.category-manager-wrapper {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.add-category-input-group {
    display: flex;
    gap: 10px;
}

.add-category-input-group input {
    flex-grow: 1;
    padding: 10px 14px;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition-fast);
}

.add-category-input-group input:focus {
    outline: none;
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

.config-category-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 200px;
    overflow-y: auto;
    padding-right: 4px;
}

.config-category-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
}

.config-category-item .cat-name-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ------------------------------------------------------------
   SECCIÓN AUTENTICACIÓN (LOGIN / REGISTER)
   ------------------------------------------------------------ */
.auth-section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px;
    overflow-y: auto;
    background-color: var(--bg-primary);
    z-index: 1000;
}

.pending-section {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: 24px;
    background-color: var(--bg-primary);
}

.pending-box {
    width: min(100%, 500px);
    padding: 40px;
    text-align: center;
}

.pending-box > svg {
    width: 64px;
    height: 64px;
    margin-bottom: 20px;
}

.pending-box h2 {
    margin-bottom: 14px;
}

.pending-box p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.pending-box .pending-help {
    margin: 12px 0 24px;
    color: var(--text-muted);
    font-size: 13px;
}

.auth-box {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
}

.register-box {
    max-width: 460px;
    margin: auto;
}

.auth-intro {
    margin: -12px 0 24px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
}

.pending-box strong {
    color: var(--text-primary);
    overflow-wrap: anywhere;
}

/* ------------------------------------------------------------
   ADMINISTRACIÓN DE SUSCRIPCIONES
   ------------------------------------------------------------ */
.admin-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.admin-summary-card {
    min-width: 0;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.admin-summary-card span {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
}

.admin-summary-card strong {
    color: var(--text-primary);
    font-size: 28px;
}

.admin-filter-bar {
    margin-bottom: 20px;
}

.admin-table {
    min-width: 900px;
}

.admin-client-name {
    font-weight: 700;
    color: var(--text-primary);
}

.admin-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    flex-wrap: wrap;
}

.admin-actions .btn {
    padding: 7px 11px;
    font-size: 12px;
}

.subscription-date {
    color: var(--text-secondary);
    white-space: nowrap;
}

@media (max-width: 700px) {
    .admin-summary {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .auth-box,
    .pending-box {
        padding: 28px 22px;
    }
}

.auth-logo {
    justify-content: center;
    margin-bottom: 20px;
}

.auth-logo .logo-icon {
    width: 48px;
    height: 48px;
}

.auth-logo .logo-text {
    font-size: 28px;
}

.auth-box h2 {
    margin-bottom: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.auth-box .form-group {
    text-align: left;
    margin-bottom: 16px;
}

.auth-box .form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
}

.auth-box .form-group input,
.auth-box .form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    background-color: var(--input-bg);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 15px;
}

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

.btn-block {
    display: block;
    width: 100%;
    margin-bottom: 16px;
}

.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 20px 0;
    color: var(--text-muted);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-color);
}

.auth-divider span {
    padding: 0 10px;
}