:root {
    /* El color primario de los botones pasa a ser un gris/negro elegante */
    --primary: #1E293B;          --primary-hover: #0F172A;    
    --secondary-black: #1E293B;  
    --secondary-white: #FFFFFF;
    
    /* Definimos el Pantone 485 como una variable de acento exclusiva para detalles sutiles */
    --pantone-485: #DA291C;
    --pantone-485-hover: #b82216;
    
    --cool-gray-8: #888B8D;      
    --cool-gray-light: #F8F9FA;  
    --cool-gray-border: #E2E8F0; 
    --cool-gray-dark: #1E293B;   
    
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --sidebar-width: 260px;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--cool-gray-light);
    color: var(--cool-gray-dark);
    font-size: 14px;
    line-height: 1.5;
    height: 100vh;
    overflow: hidden;
}

.hidden {
    display: none !important;
}

/* ==========================================================================
   LOGIN SPLIT SCREEN (ADAPTABLE)
   ========================================================================== */
#login-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    background: var(--secondary-white);
    z-index: 1000;
}

.login-left-pane {
    flex: 1;
    background: linear-gradient(135deg, var(--secondary-black) 0%, #0A0A0A 100%);
    color: var(--secondary-white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 80px;
    position: relative;
}

.login-left-pane::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    /* Toque extremadamente sutil del Pantone 485 en el fondo oscuro */
    background: radial-gradient(circle at 20% 80%, rgba(218, 41, 28, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.login-brand-logo {
    width: 180px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
}

.login-brand-logo img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.login-brand-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-bottom: 24px;
    width: max-content;
}

.login-left-pane h1 {
    font-size: 38px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.login-left-pane h1 span {
    /* Aquí aplicamos el Pantone 485 de forma muy puntual en el título corporativo */
    color: var(--pantone-485);
}

.login-left-pane p {
    font-size: 16px;
    color: var(--cool-gray-8);
    max-width: 440px;
}

.login-right-pane {
    width: 520px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px;
    background: var(--secondary-white);
}

.login-card-container {
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
}

.login-card-container h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--secondary-black);
    margin-bottom: 8px;
}

.login-card-container p.subtitle {
    font-size: 13px;
    color: var(--cool-gray-8);
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--secondary-black);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-icon svg {
    position: absolute;
    left: 12px;
    width: 18px;
    height: 18px;
    fill: var(--cool-gray-8);
}

.input-with-icon input {
    width: 100%;
    padding: 11px 14px 11px 40px;
    border: 1px solid var(--cool-gray-border);
    border-radius: 8px;
    font-size: 14px;
    color: var(--secondary-black);
    outline: none;
    transition: var(--transition);
}

.input-with-icon input:focus {
    border-color: var(--secondary-black);
    box-shadow: 0 0 0 3px rgba(30, 41, 59, 0.1);
}

.btn-primary {
    width: 100%;
    background-color: var(--primary);
    color: var(--secondary-white);
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 10px;
    box-shadow: var(--shadow-sm);
}

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

/* ==========================================================================
   APP SHELL (DESKTOP & MOBILE LAYOUT)
   ========================================================================== */
#main-app {
    display: flex;
    width: 100vw;
    height: 100vh;
    background: var(--cool-gray-light);
}

.app-sidebar {
    width: var(--sidebar-width);
    background: var(--secondary-black);
    color: var(--secondary-white);
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.sidebar-brand {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand-icon {
    width: 100%;
    max-width: 150px;
    display: flex;
    align-items: center;
}

.sidebar-brand-icon img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.sidebar-menu {
    flex: 1;
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow-y: auto;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    color: var(--cool-gray-8);
    text-decoration: none;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
}

.menu-item svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
    flex-shrink: 0;
}

.menu-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--secondary-white);
}

.menu-item.active {
    background: var(--primary);
    color: var(--secondary-white);
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-info-box {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--secondary-white);
}

.user-role {
    font-size: 11px;
    color: var(--cool-gray-8);
}

.icon-btn-logout {
    background: rgba(255, 255, 255, 0.08);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.icon-btn-logout svg {
    width: 16px;
    height: 16px;
    fill: var(--cool-gray-8);
}

.icon-btn-logout:hover {
    background: var(--danger);
}
.icon-btn-logout:hover svg {
    fill: var(--secondary-white);
}

.mobile-bottom-nav {
    display: none;
}

.app-content-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    width: 100%;
}

.app-top-header {
    height: 70px;
    background: var(--secondary-white);
    border-bottom: 1px solid var(--cool-gray-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
}

.header-title-area h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--secondary-black);
}

.header-title-area p {
    font-size: 12px;
    color: var(--cool-gray-8);
}

.app-view-body {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
}

.app-footer {
    padding: 16px 32px;
    background: var(--secondary-white);
    border-top: 1px solid var(--cool-gray-border);
    text-align: right;
    font-size: 12px;
    color: var(--cool-gray-8);
}

.app-footer a {
    color: var(--cool-gray-8);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.app-footer a:hover {
    color: var(--secondary-black);
}

/* ==========================================================================
   COMPONENTES GENERALES Y MINIATURAS DE IMAGEN
   ========================================================================== */
.card-panel {
    background: var(--secondary-white);
    border: 1px solid var(--cool-gray-border);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: 24px;
}

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

.panel-header h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--secondary-black);
}

.table-container {
    width: 100%;
    overflow-x: auto;
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 13px;
    min-width: 500px;
}

table.data-table th {
    background: #F1F5F9;
    color: var(--secondary-black);
    font-weight: 600;
    padding: 12px 20px;
    border-bottom: 1px solid var(--cool-gray-border);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
}

table.data-table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--cool-gray-border);
    color: var(--secondary-black);
    vertical-align: middle;
}

table.data-table tr:hover {
    background: var(--cool-gray-light);
}

/* Estilos para las imágenes de productos */
.product-thumb {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    object-fit: cover;
    border: 1px solid var(--cool-gray-border);
    background: var(--secondary-white);
}

.product-preview-box {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.badge.success { background: #D1FAE5; color: #065F46; }
.badge.warning { background: #FEF3C7; color: #92400E; }
.badge.danger  { background: #FEE2E2; color: #991B1B; }
.badge.info    { background: #E0F2FE; color: #0369A1; }

.dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.btn-sm {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--cool-gray-border);
    background: var(--secondary-white);
    color: var(--secondary-black);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-sm:hover {
    background: var(--cool-gray-light);
    border-color: #CBD5E1;
}

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

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

.btn-sm.pdf {
    background: var(--secondary-black);
    color: var(--secondary-white);
    border-color: var(--secondary-black);
}

.btn-sm.pdf:hover {
    background: #0A0A0A;
}

.app-alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}
/* Success (Verde) */
.app-alert.success { 
    background: #D1FAE5; 
    color: #065F46; 
    border: 1px solid #A7F3D0; 
}

/* Error (Rojo) */
.app-alert.error { 
    background: #FEE2E2; 
    color: #991B1B; 
    border: 1px solid #FECACA; 
}

/* Warning (Amarillo / Naranja) */
.app-alert.warning { 
    background: #FEF3C7; 
    color: #92400E; 
    border: 1px solid #FDE68A; 
}

/* Modales */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10, 10, 10, 0.6);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 16px;
}

.modal-card {
    background: var(--secondary-white);
    width: 700px;
    max-width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

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

.modal-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--secondary-black);
}

.modal-body {
    padding: 24px;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 24px;
    background: var(--cool-gray-light);
    border-top: 1px solid var(--cool-gray-border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    gap: 16px;
    flex-wrap: wrap;
}

.search-input-box {
    svg {
        position: absolute;
        left: 12px;
        top: 50%;
        transform: translateY(-50%);
        width: 16px;
        height: 16px;
        fill: var(--cool-gray-8);
    }
    position: relative;
    width: 320px;
    max-width: 100%;
}

.search-input-box input {
    width: 100%;
    padding: 9px 12px 9px 38px;
    border: 1px solid var(--cool-gray-border);
    border-radius: 8px;
    font-size: 13px;
    background: var(--secondary-white);
}

.date-filter-container {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    background: var(--secondary-white);
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--cool-gray-border);
    margin-bottom: 20px;
}

.date-filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--secondary-black);
}

.date-filter-group input {
    padding: 6px 10px;
    border: 1px solid var(--cool-gray-border);
    border-radius: 6px;
    font-size: 12px;
}

/* ==========================================================================
   MEDIA QUERIES (ADAPTACIÓN MÓVIL)
   ========================================================================== */
@media (max-width: 768px) {
    #login-screen {
        flex-direction: column;
    }
    .login-left-pane {
        padding: 30px 20px;
        flex: 0.4;
    }
    .login-left-pane h1 {
        font-size: 24px;
    }
    .login-left-pane p {
        display: none;
    }
    .login-right-pane {
        width: 100%;
        flex: 0.6;
        padding: 30px 20px;
    }

    .app-sidebar {
        display: none;
    }

    .mobile-bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 60px;
        background: var(--secondary-black);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        z-index: 1000;
        justify-content: space-around;
        align-items: center;
        padding: 0 8px;
    }

    .mobile-nav-item {
        background: transparent;
        border: none;
        color: var(--cool-gray-8);
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 4px;
        font-size: 10px;
        font-weight: 500;
        cursor: pointer;
        flex: 1;
        padding: 6px 0;
        transition: var(--transition);
    }

    .mobile-nav-item svg {
        width: 20px;
        height: 20px;
        fill: currentColor;
    }

    .mobile-nav-item.active {
        color: var(--primary);
    }

    .app-content-wrapper {
        padding-bottom: 60px;
    }

    .app-top-header {
        padding: 0 16px;
        height: 60px;
    }

    .header-title-area h2 {
        font-size: 15px;
    }

    .header-title-area p {
        display: none;
    }

    .app-view-body {
        padding: 16px;
    }
    
    .app-footer {
        padding: 12px 16px;
        text-align: center;
    }
}

.shop-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.shop-card {
    background: var(--secondary-white);
    border: 1px solid var(--cool-gray-border);
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.shop-card-img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    background: var(--cool-gray-light);
    border-bottom: 1px solid var(--cool-gray-border);
}

.shop-card-body {
    padding: 14px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.shop-sku {
    font-size: 11px;
    color: var(--cool-gray-8);
    margin-bottom: 4px;
}

.shop-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--secondary-black);
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 36px;
}

.shop-stock {
    font-size: 11px;
    color: var(--cool-gray-8);
    margin-bottom: 12px;
}

.shop-action-row {
    display: flex;
    gap: 8px;
    margin-top: auto;
    align-items: center;
}

.shop-qty-input {
    width: 60px;
    padding: 6px;
    border: 1px solid var(--cool-gray-border);
    border-radius: 6px;
    font-size: 12px;
    text-align: center;
}

.pagination-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: var(--secondary-white);
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--cool-gray-border);
}

.stock-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    font-weight: 600;
}

/* Indicadores de stock visuales para las tarjetas */
.product-top-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.sku-tag {
    font-size: 11px;
    color: var(--cool-gray-8);
}

.stock-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    position: relative;
}

.stock-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px; /* Acerca la palabra al dot */
    font-size: 11px;
    font-weight: 600;
}

.stock-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

/* Colores dinámicos que afectan tanto al texto como al punto */
.stock-high {
    color: #10B981; /* Verde */
}
.stock-high .stock-dot {
    background-color: #10B981;
}

.stock-medium {
    color: #F59E0B; /* Amarillo/Naranja */
}
.stock-medium .stock-dot {
    background-color: #F59E0B;
}

.stock-low {
    color: #EF4444; /* Rojo */
}
.stock-low .stock-dot {
    background-color: #EF4444;
}