/* ==========================================================================
   BLACK BOX INVENTORY SYSTEM - ELEGANT 4-COLOR PALETTE (#1e2024, #F4CE14, #495E57, #45474B)
   ========================================================================== */

:root, [data-theme="dark"] {
    /* Tokens Base Hex */
    --color-offwhite: #F5F7F8;
    --color-yellow: #F4CE14;
    --color-slate: #495E57;
    --color-charcoal: #45474B;

    --bg-dark: #1e2024;
    --bg-page: #1e2024;
    --bg-header: rgba(36, 38, 43, 0.92);
    --bg-card: #2b2e34;
    --bg-card-translucent: rgba(69, 71, 75, 0.45);
    --bg-card-hover: rgba(73, 94, 87, 0.35);

    --border-glass: rgba(244, 206, 20, 0.3);
    --border-slate: rgba(73, 94, 87, 0.5);
    --border-subtle: rgba(245, 247, 248, 0.12);

    --accent-yellow: #F4CE14;
    --accent-yellow-hover: #e0bb0c;
    --accent-gold: #e0bb0c;
    --accent-amber: #F4CE14;
    --accent-blue: #495E57;
    --accent-purple: #495E57;
    --accent-cyan: #F4CE14;
    --accent-emerald: #495E57;
    --accent-rose: #45474B;

    --text-main: #F5F7F8;
    --text-muted: #a4abaf;
    --text-on-yellow: #1e2024;

    --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --shadow-glow: 0 8px 30px rgba(244, 206, 20, 0.18);
    --shadow-card: 0 10px 28px rgba(0, 0, 0, 0.35);
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --bg-dark: #F5F7F8;
    --bg-page: #F5F7F8;
    --bg-header: rgba(255, 255, 255, 0.95);
    --bg-card: #ffffff;
    --bg-card-translucent: rgba(255, 255, 255, 0.9);
    --bg-card-hover: #e9eeec;

    --border-glass: rgba(184, 141, 0, 0.35);
    --border-slate: rgba(73, 94, 87, 0.3);
    --border-subtle: rgba(69, 71, 75, 0.15);

    --accent-yellow: #b88d00;
    --accent-yellow-hover: #997500;
    --accent-gold: #997500;
    --accent-amber: #b88d00;
    --accent-blue: #495E57;
    --accent-purple: #495E57;
    --accent-cyan: #b88d00;
    --accent-emerald: #495E57;
    --accent-rose: #45474B;

    --text-main: #45474B;
    --text-muted: #676b70;
    --text-on-yellow: #ffffff;

    --shadow-glow: 0 8px 30px rgba(184, 141, 0, 0.15);
    --shadow-card: 0 8px 25px rgba(69, 71, 75, 0.1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Header */
.app-header {
    background: var(--bg-header);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-glass);
    padding: 1.25rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.brand-icon {
    width: 42px;
    height: 42px;
    background: var(--accent-yellow);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(255, 204, 0, 0.35);
}

.brand-icon svg {
    width: 24px;
    height: 24px;
    fill: #0a0c10;
}

.brand-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--accent-yellow);
    letter-spacing: 1px;
}

.header-actions {
    display: flex;
    gap: 0.75rem;
}

@keyframes subtleRainbowBorder {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Botones de Navegación Header (Sin fondo, trazo amarillo por defecto) */
.btn-header-admin-users,
.btn-header-theme,
.btn-header-activity,
.btn-header-qrs,
.btn-header-plus,
.hamburger-btn {
    background: transparent !important;
    border: 1.5px solid #F4CE14 !important;
    color: #F4CE14 !important;
    cursor: pointer;
    transition: var(--transition) !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    box-shadow: none !important;
    font-weight: 700;
}

/* Botón Búsqueda IA con Trazo Rainbow Sutil Animado (PC y Móvil) */
.btn-header-ai {
    position: relative;
    border: 1.5px solid transparent !important;
    background-image: linear-gradient(var(--bg-card), var(--bg-card)), 
                      linear-gradient(120deg, #f59e0b, #ec4899, #8b5cf6, #3b82f6, #10b981, #f59e0b) !important;
    background-origin: border-box !important;
    background-clip: padding-box, border-box !important;
    background-size: 100% 100%, 300% 300% !important;
    animation: subtleRainbowBorder 7s ease infinite !important;
    color: #F4CE14 !important;
    cursor: pointer;
    transition: var(--transition) !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    box-shadow: none !important;
    font-weight: 700;
    border-radius: var(--radius-md);
}

.btn-header-ai svg,
.btn-header-admin-users svg,
.btn-header-theme svg,
.btn-header-activity svg,
.btn-header-qrs svg,
.btn-header-plus svg,
.hamburger-btn svg {
    fill: #F4CE14 !important;
    color: #F4CE14 !important;
    transition: var(--transition) !important;
}

/* kbd dentro de Búsqueda IA (Sólo visible en PC de escritorio) */
.btn-header-ai kbd {
    font-size: 0.65rem;
    font-weight: 700;
    font-family: inherit;
    background: rgba(244, 206, 20, 0.15) !important;
    border: 1px solid #F4CE14 !important;
    color: #F4CE14 !important;
    padding: 0.12rem 0.4rem;
    border-radius: 4px;
    margin-left: 0.25rem;
    display: none !important;
}

@media (min-width: 769px) and (hover: hover) and (pointer: fine) {
    .btn-header-ai kbd {
        display: inline-block !important;
    }
}

/* MODIFICADORES PARA MODO CLARO [data-theme="light"] */
[data-theme="light"] .btn-header-admin-users,
[data-theme="light"] .btn-header-theme,
[data-theme="light"] .btn-header-activity,
[data-theme="light"] .btn-header-qrs,
[data-theme="light"] .btn-header-plus,
[data-theme="light"] .hamburger-btn {
    border: 1.5px solid #F4CE14 !important;
    color: #45474B !important;
}

[data-theme="light"] .btn-header-ai {
    background-image: linear-gradient(#ffffff, #ffffff), 
                      linear-gradient(120deg, #d97706, #db2777, #7c3aed, #2563eb, #059669, #d97706) !important;
    color: #45474B !important;
}

[data-theme="light"] .btn-header-ai svg,
[data-theme="light"] .btn-header-admin-users svg,
[data-theme="light"] .btn-header-theme svg,
[data-theme="light"] .btn-header-activity svg,
[data-theme="light"] .btn-header-qrs svg,
[data-theme="light"] .btn-header-plus svg,
[data-theme="light"] .hamburger-btn svg {
    fill: #45474B !important;
    color: #45474B !important;
}

[data-theme="light"] .btn-header-ai kbd {
    background: rgba(244, 206, 20, 0.25) !important;
    border: 1px solid #F4CE14 !important;
    color: #45474B !important;
}

.btn-header-ai:hover,
.btn-header-admin-users:hover,
.btn-header-theme:hover,
.btn-header-activity:hover,
.btn-header-qrs:hover,
.btn-header-plus:hover,
.hamburger-btn:hover,
.btn-header-ai:active,
.btn-header-admin-users:active,
.btn-header-theme:active,
.btn-header-activity:active,
.btn-header-qrs:active,
.btn-header-plus:active,
.hamburger-btn:active {
    background: #495E57 !important;
    border-color: #495E57 !important;
    color: #ffffff !important;
    box-shadow: 0 4px 14px rgba(73, 94, 87, 0.4) !important;
}

.btn-header-ai:hover svg,
.btn-header-admin-users:hover svg,
.btn-header-theme:hover svg,
.btn-header-activity:hover svg,
.btn-header-qrs:hover svg,
.btn-header-plus:hover svg,
.hamburger-btn:hover svg,
.btn-header-ai:hover kbd,
.btn-header-ai:active svg,
.btn-header-admin-users:active svg,
.btn-header-theme:active svg,
.btn-header-activity:active svg,
.btn-header-qrs:active svg,
.btn-header-plus:active svg,
.hamburger-btn:active svg {
    fill: #ffffff !important;
    color: #ffffff !important;
    border-color: rgba(255, 255, 255, 0.4) !important;
}

/* MENÚ FLOTANTE GLASSMORPHISM EN HEADER */
.glass-dropdown-menu {
    position: absolute;
    top: calc(100% + 0.6rem);
    right: 0;
    min-width: 250px;
    background: rgba(30, 32, 36, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(244, 206, 20, 0.12);
    padding: 0.5rem;
    z-index: 1000;
    animation: fadeInDropdown 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeInDropdown {
    from { opacity: 0; transform: translateY(-8px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.glass-dropdown-header {
    padding: 0.6rem 0.85rem;
}

.glass-dropdown-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin: 0.4rem 0;
}

.glass-dropdown-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.65rem 0.85rem;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
}

.glass-dropdown-item svg {
    fill: var(--accent-yellow);
    flex-shrink: 0;
    transition: var(--transition);
}

.glass-dropdown-item:hover {
    background: rgba(73, 94, 87, 0.35);
    color: #ffffff;
}

.glass-dropdown-item-danger:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.glass-dropdown-item-danger:hover svg {
    fill: #ef4444;
}

/* MENÚ FLOTANTE GLASSMORPHISM EN MODO CLARO */
[data-theme="light"] .glass-dropdown-menu {
    background: rgba(255, 255, 255, 0.96) !important;
    border: 1px solid var(--border-glass) !important;
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.15), 0 0 20px rgba(73, 94, 87, 0.15) !important;
}

[data-theme="light"] .glass-dropdown-item {
    color: #45474B !important;
}

[data-theme="light"] .glass-dropdown-header #dropdown-user-name {
    color: #b88d00 !important;
}

[data-theme="light"] .glass-dropdown-header #dropdown-user-username {
    color: #676b70 !important;
}

[data-theme="light"] .glass-dropdown-divider {
    background: rgba(0, 0, 0, 0.08) !important;
}

[data-theme="light"] .glass-dropdown-item:hover {
    background: rgba(73, 94, 87, 0.15) !important;
    color: #1e2024 !important;
}

/* BARRA DE NAVEGACIÓN FLOTANTE INFERIOR MÓVIL (MOBILE BOTTOM NAV) */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 12px;
    left: 12px;
    right: 12px;
    height: 62px;
    background: rgba(30, 32, 36, 0.94);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1.5px solid var(--border-glass);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 15px rgba(244, 206, 20, 0.1);
    align-items: center;
    justify-content: space-around;
    z-index: 999;
    padding: 0 0.25rem;
}

[data-theme="light"] .mobile-bottom-nav {
    background: rgba(255, 255, 255, 0.95);
    border: 1.5px solid var(--border-glass);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.mobile-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.15rem;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.4rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    flex: 1;
}

.mobile-nav-btn svg {
    fill: var(--text-muted);
    transition: var(--transition);
}

.mobile-nav-btn:hover,
.mobile-nav-btn:active,
.mobile-nav-btn.active {
    color: #F4CE14;
}

.mobile-nav-btn:hover svg,
.mobile-nav-btn:active svg,
.mobile-nav-btn.active svg {
    fill: #F4CE14;
}

[data-theme="light"] .mobile-nav-btn:hover,
[data-theme="light"] .mobile-nav-btn:active,
[data-theme="light"] .mobile-nav-btn.active {
    color: #45474B;
}

[data-theme="light"] .mobile-nav-btn:hover svg,
[data-theme="light"] .mobile-nav-btn:active svg,
[data-theme="light"] .mobile-nav-btn.active svg {
    fill: #45474B;
}

@media (max-width: 1024px) {
    body {
        padding-bottom: 78px !important;
    }
    
    /* En Móvil y Tablet: Solo mantener la Búsqueda IA (sin el Ctrl+K) y Menú Hamburguesa en el header */
    .btn-header-ai kbd {
        display: none !important;
    }
    
    .btn-header-theme,
    .btn-header-admin-users,
    .btn-header-plus {
        display: none !important;
    }
    
    .hamburger-btn {
        display: inline-flex !important;
    }
    
    .mobile-bottom-nav {
        display: flex !important;
    }
    
    .glass-dropdown-menu {
        position: fixed !important;
        top: auto !important;
        bottom: 82px !important;
        right: 16px !important;
        left: 16px !important;
        min-width: unset !important;
        width: auto !important;
        z-index: 1001 !important;
    }
}

@media (min-width: 1025px) {
    .hamburger-btn {
        display: none !important;
    }
}
.mobile-menu-divider {
    height: 1px;
    background: var(--border-glass);
    margin: 0.35rem 0;
    width: 100%;
}

/* Menú Móvil Pantalla Completa Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-main);
    backdrop-filter: blur(20px);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    padding: 1.25rem 1.25rem;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    transform: translateY(-20px);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 0.85rem;
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    flex: 1;
}

.mobile-menu-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
    margin: 0.5rem 0;
    border: none;
}

.mobile-menu-item {
    background: transparent;
    border: 1px solid transparent;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(245, 247, 248, 0.85);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none;
}

.mobile-menu-item:hover, .mobile-menu-item:active {
    background: rgba(244, 206, 20, 0.08);
    border-color: rgba(244, 206, 20, 0.2);
    color: var(--accent-yellow);
    transform: translateX(4px);
}

.mobile-menu-item-special {
    background: transparent;
    border: 1px solid transparent;
    color: var(--accent-yellow);
}

.mobile-menu-item-special:hover, .mobile-menu-item-special:active {
    background: rgba(244, 206, 20, 0.08);
    border-color: rgba(244, 206, 20, 0.2);
    color: var(--accent-yellow);
    transform: translateX(4px);
}

.btn-pwa-install {
    background: linear-gradient(135deg, #F4CE14 0%, #e5bd0e 100%) !important;
    color: #1e2024 !important;
    border: none !important;
    font-weight: 800 !important;
    padding: 0.85rem 1.15rem !important;
    border-radius: 14px !important;
    box-shadow: 0 4px 18px rgba(244, 206, 20, 0.35) !important;
    margin: 0.5rem 0 !important;
    transition: all 0.25s ease !important;
}

.btn-pwa-install:hover, .btn-pwa-install:active {
    transform: translateY(-2px) scale(1.01) !important;
    box-shadow: 0 6px 24px rgba(244, 206, 20, 0.5) !important;
    color: #1e2024 !important;
    background: linear-gradient(135deg, #ffe047 0%, #F4CE14 100%) !important;
}

.mobile-menu-item-danger {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: #f87171;
    margin-top: 0.25rem;
}

.mobile-menu-item-danger:hover, .mobile-menu-item-danger:active {
    background: rgba(239, 68, 68, 0.2);
    border-color: #ef4444;
    color: #ffffff;
    transform: translateX(4px);
}

/* Main Container */
.main-container {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Hero & Main Action Cards */
.hero-section {
    text-align: center;
    padding: 4.5rem 0!important;
    margin-bottom: 3.5rem !important;
}

.hero-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.hero-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem !important;
    margin-bottom: 3rem;
}

.action-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1.5px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.action-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-yellow);
    opacity: 0;
    transition: var(--transition);
}

.action-card:hover {
    transform: translateY(-6px);
    background: var(--bg-card-hover);
    box-shadow: 0 10px 30px rgba(244, 206, 20, 0.18);
    border-color: var(--accent-yellow);
}

.action-card:hover::before {
    opacity: 1;
}

.action-card.card-featured {
    grid-column: 1 / -1;
    background: var(--bg-card);
    border: 2px solid var(--accent-yellow);
    box-shadow: 0 8px 30px rgba(244, 206, 20, 0.18);
    padding: 2.75rem 2rem;
}

.action-card.card-featured::before {
    background: var(--accent-yellow);
    opacity: 1;
}

.action-card.card-featured:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 38px rgba(244, 206, 20, 0.28);
    border-color: var(--accent-yellow);
    background: var(--bg-card-hover);
}

.action-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 204, 0, 0.12);
    border: 1px solid rgba(255, 204, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.action-card:hover .action-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(255, 204, 0, 0.22);
    box-shadow: 0 0 30px rgba(255, 204, 0, 0.45);
}

.action-card.card-buscar .action-icon {
    background: rgba(0, 245, 160, 0.1);
    border-color: rgba(0, 245, 160, 0.2);
}

.action-card.card-buscar:hover .action-icon {
    background: rgba(0, 245, 160, 0.2);
    box-shadow: 0 0 30px rgba(0, 245, 160, 0.4);
}

.action-icon svg {
    width: 38px;
    height: 38px;
    fill: var(--accent-yellow);
}

.action-card.card-buscar .action-icon svg {
    fill: var(--accent-emerald);
}

.action-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.action-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Modals & Fullscreens */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(6, 8, 12, 0.88);
    backdrop-filter: blur(16px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal-content {
    background: #111622;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 650px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6);
    overflow: hidden;
    transform: scale(0.95);
    transition: var(--transition);
}

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

.modal-header {
    padding: 1.25rem 1.75rem;
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(22, 28, 40, 0.6);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.modal-body {
    padding: 1.75rem;
    overflow-y: auto;
    flex: 1;
}

/* Wizard Steps Indicator */
.wizard-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    position: relative;
}

.wizard-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 1;
}

.wizard-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    z-index: 2;
    flex: 1;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #1e2533;
    border: 2px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.wizard-step.active .step-number {
    background: linear-gradient(135deg, var(--accent-yellow), var(--accent-gold));
    border-color: var(--accent-yellow);
    color: #0a0c10;
    box-shadow: 0 0 15px rgba(255, 204, 0, 0.5);
}

.wizard-step.completed .step-number {
    background: var(--accent-emerald);
    border-color: var(--accent-emerald);
    color: #0a0e17;
}

.step-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}

.wizard-step.active .step-label {
    color: var(--accent-yellow);
}

/* TARJETAS DE CAJAS, PRODUCTOS Y UBICACIONES: FORMATO CUADRADO UNIFORME */
.card-media,
.card-media-square {
    position: relative;
    width: 100%;
    height: 220px;
    max-height: 220px;
    overflow: hidden;
    background: #0f172a;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-media img,
.card-media-square img,
.box-card .card-media img,
.item-card .card-media img,
.card .card-media img {
    width: 100% !important;
    height: 220px !important;
    max-height: 220px !important;
    object-fit: cover !important;
    object-position: center !important;
    border-radius: inherit !important;
    transition: transform 0.3s ease;
}

.card-media img:hover,
.card-media-square img:hover {
    transform: scale(1.04);
}

/* Camera & Scanner Viewport */
.camera-box,
.photo-preview-container {
    position: relative;
    width: 100%;
    max-width: 480px;
    height: 220px;
    margin: 0 auto 1.25rem auto;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #0d131f;
    border: 2px solid var(--border-glass);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Zona de Arrastrar y Soltar Fotografías (Drag & Drop) */
.camera-box.photo-dropzone {
    cursor: pointer;
    transition: all 0.25s ease;
}

.camera-box.photo-dropzone:hover {
    border-color: var(--accent-gold);
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.25);
}

.camera-box.photo-dropzone.drag-over {
    border-color: var(--accent-gold) !important;
    border-style: dashed !important;
    background: rgba(245, 158, 11, 0.12) !important;
    box-shadow: 0 0 25px rgba(245, 158, 11, 0.3) !important;
}

.dropzone-overlay {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(13, 19, 31, 0.85);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    padding: 4px 12px;
    color: #cbd5e1;
    font-size: 0.75rem;
    pointer-events: none;
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
    z-index: 5;
    transition: opacity 0.2s ease;
}

.camera-box.photo-dropzone:hover .dropzone-overlay {
    color: var(--accent-gold);
    border-color: rgba(245, 158, 11, 0.4);
}

.camera-box video:not(.hidden) ~ .dropzone-overlay {
    display: none !important;
}

/* CÁMARA Y PREVISUALIZACIÓN DE FOTO: OCUPAR SIEMPRE EL 100% DEL ESPACIO CON OBJECT-FIT COVER */
.camera-box img,
.camera-box video,
.camera-box canvas,
.photo-preview-container img,
.photo-preview-container video,
.camera-video, 
canvas#photo-canvas,
#location-photo-preview,
#new-box-photo-preview,
#edit-box-photo-preview,
#edit-item-photo-preview,
#lote-photo-preview,
#create-item-photo-preview {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    height: 100% !important;
    min-height: 100% !important;
    max-height: none !important;
    object-fit: cover !important;
    object-position: center !important;
    align-self: stretch !important;
    transform: none !important;
    border-radius: inherit !important;
    box-sizing: border-box !important;
}

/* REGLA CRÍTICA: ASEGURAR QUE CUALQUIER ELEMENTO CON CLASE HIDDEN SE OCULTE TOTALMENTE */
.hidden,
.camera-box .hidden,
.camera-box video.hidden,
.camera-box canvas.hidden,
.camera-box img.hidden {
    display: none !important;
}

/* CÁMARAS ESCÁNERES QR (HTML5QRCODE): ASEGURAR QUE EL VÍDEO SEA VISIBLE Y EL CANVAS INTERNO QUEDE OCULTO */
[id^="qr-reader"] {
    position: relative !important;
    width: 100% !important;
    height: 100% !important;
    min-height: 200px !important;
    overflow: hidden !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

[id^="qr-reader"] canvas {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

[id^="qr-reader"] video,
#qr-reader-item video,
#qr-reader-box video,
#qr-reader-search video {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    transform: scale(1.35) !important;
    transform-origin: center center !important;
    z-index: 1 !important;
    display: block !important;
}

#qr-shaded-region {
    z-index: 2 !important;
}

/* Form Controls & Buttons */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    background: rgba(18, 24, 36, 0.85);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.1rem;
    color: #fff;
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    outline: none;
    border-color: var(--accent-yellow);
    box-shadow: 0 0 15px rgba(255, 204, 0, 0.25);
}

.btn {
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-yellow);
    color: #1e2024;
    border: none;
    box-shadow: 0 4px 15px rgba(244, 206, 20, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: var(--accent-yellow-hover);
    box-shadow: 0 8px 25px rgba(244, 206, 20, 0.4);
}

.btn-secondary {
    background: var(--color-slate);
    color: #F5F7F8;
    border: 1.5px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
    background: #394a44;
}

.btn-success {
    background: var(--color-slate);
    color: #F5F7F8;
    border: none;
}

.btn-danger {
    background: #45474B;
    color: #F5F7F8;
    border: 1.5px solid rgba(245, 247, 248, 0.2);
}

.btn-danger:hover {
    background: #36383b;
}

.btn-full {
    width: 100%;
}

/* Box Content Results View */
.box-header-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.box-title-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.box-qr-badge {
    background: rgba(255, 204, 0, 0.18);
    color: var(--accent-yellow);
    border: 1px solid rgba(255, 204, 0, 0.4);
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.3px;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    white-space: nowrap;
    line-height: 1.2;
}

.item-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    align-items: center;
    margin-bottom: 0.75rem;
}

.badge-shared-box {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: rgba(245, 158, 11, 0.12);
    color: var(--accent-gold);
    border: 1px solid rgba(245, 158, 11, 0.35);
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
}

.badge-perm-read {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-gold);
    border: 1px solid rgba(245, 158, 11, 0.35);
}

.badge-perm-write {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.35);
}

/* ==========================================
   PLANTILLA Y ESTRUCTURA UNIFICADA DE CATÁLOGOS
   ========================================== */
.catalog-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.catalog-section-title-group {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.catalog-section-title {
    margin: 0;
    font-weight: 800;
    font-size: 1.35rem;
    line-height: 1.2;
    color: var(--text-main);
}

.catalog-section-count {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
}

.item-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.item-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 204, 0, 0.4);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
}

.item-thumb {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: #0f172a;
}

.item-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.item-qr-code {
    font-size: 0.8rem;
    color: var(--accent-yellow);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.item-desc {
    font-size: 0.95rem;
    line-height: 1.4;
    color: var(--text-main);
    margin-bottom: 1rem;
}

.item-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-glass);
    padding-top: 0.75rem;
    margin-top: auto;
    gap: 0.5rem;
}

.item-footer-actions {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-wrap: nowrap;
    width: 100%;
}

.item-footer-actions .btn {
    flex: 1 1 0px;
    text-align: center;
    white-space: nowrap;
    justify-content: center;
}

/* Generator Screen Preview */
.qr-printable-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    margin-top: 1.5rem;
}

.qr-printable-grid.qr-grid-caja {
    grid-template-columns: repeat(3, 1fr);
}

.qr-printable-grid.qr-grid-articulo {
    grid-template-columns: repeat(5, 1fr);
}

.qr-sticker {
    background: #fff;
    color: #000;
    padding: 0.5rem 0.2rem;
    text-align: center;
    box-shadow: none;
    border: 1px dashed #666;
    margin-right: -1px;
    margin-bottom: -1px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.qr-grid-caja .qr-sticker {
    padding: 0.8rem 0.5rem;
}

.qr-code-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-code-wrapper canvas {
    display: none !important;
}

.qr-code-wrapper img {
    display: block !important;
    max-width: 80px;
    height: auto;
}

.qr-grid-caja .qr-code-wrapper img {
    max-width: 140px;
}

.qr-sticker-label {
    font-size: 0.7rem;
    font-weight: 800;
    font-family: monospace;
    color: #000;
    margin-top: 0.2rem;
}

.qr-grid-caja .qr-sticker-label {
    font-size: 0.95rem;
    margin-top: 0.4rem;
}

/* Utilities */
.hidden { display: none !important; }
.text-center { text-align: text-center; }

.form-input.is-invalid,
.form-select.is-invalid {
    border-color: #ff4d4d !important;
    box-shadow: 0 0 0 3px rgba(255, 77, 77, 0.3) !important;
}

/* Minimalist Add Button */
.btn-minimal-add {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(244, 206, 20, 0.08);
    color: var(--accent-gold);
    border: 1px solid rgba(244, 206, 20, 0.25);
    padding: 0.4rem 0.85rem;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(8px);
    letter-spacing: 0.01em;
}

.btn-minimal-add:hover {
    background: rgba(244, 206, 20, 0.16);
    border-color: rgba(244, 206, 20, 0.5);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(244, 206, 20, 0.15);
}

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

.btn-minimal-add-success {
    background: rgba(0, 245, 160, 0.08);
    color: var(--accent-emerald);
    border-color: rgba(0, 245, 160, 0.25);
}

.btn-minimal-add-success:hover {
    background: rgba(0, 245, 160, 0.16);
    border-color: rgba(0, 245, 160, 0.5);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 245, 160, 0.15);
}

/* Category Filter Bar & Pills - Minimalist Redesign */
.category-filter-bar {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    align-items: center;
}

.category-pill {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.35rem 0.8rem;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
    line-height: 1.2;
}

.category-pill:hover {
    background: rgba(255, 255, 255, 0.09);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.18);
}

.category-pill.active {
    background: rgba(244, 206, 20, 0.14);
    color: var(--accent-gold);
    border-color: rgba(244, 206, 20, 0.4);
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(244, 206, 20, 0.12);
}

/* Responsive Adjustments & Mobile 2-Column Grid */
@media (max-width: 768px) {
    .brand-title {
        font-size: 1.1rem !important;
    }

    .brand-icon {
        width: 32px !important;
        height: 32px !important;
    }

    .btn-header-qrs {
        display: none !important;
    }

    .btn-header-ai,
    .btn-header-theme,
    .hamburger-btn {
        height: 36px !important;
        min-height: 36px !important;
        border-radius: 12px !important;
        box-sizing: border-box !important;
    }

    .btn-header-ai {
        display: inline-flex !important;
        padding: 0 0.75rem !important;
        font-size: 0.8rem !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 0.35rem !important;
    }

    .btn-header-ai .ai-text-full {
        display: none !important;
    }

    .btn-header-ai .ai-text-short {
        display: inline !important;
    }

    .btn-header-theme {
        display: inline-flex !important;
        width: 36px !important;
        min-width: 36px !important;
        padding: 0 !important;
        align-items: center !important;
        justify-content: center !important;
    }

    .hamburger-btn {
        display: inline-flex !important;
        width: 36px !important;
        min-width: 36px !important;
        padding: 0 !important;
        align-items: center !important;
        justify-content: center !important;
    }

    .app-header { padding: 0.75rem 1rem; }
    .hero-title { font-size: 1.5rem; }

    .action-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.75rem !important;
        margin-bottom: 2rem !important;
    }

    .action-card {
        padding: 1.25rem 0.75rem !important;
        border-radius: var(--radius-md) !important;
    }

    .action-card.card-featured {
        padding: 1.5rem 1rem !important;
    }

    .action-icon {
        width: 50px !important;
        height: 50px !important;
        margin-bottom: 0.75rem !important;
    }

    .action-icon svg {
        width: 24px !important;
        height: 24px !important;
    }

    .action-card.card-featured .action-icon {
        width: 58px !important;
        height: 58px !important;
    }

    .action-card.card-featured .action-icon svg {
        width: 28px !important;
        height: 28px !important;
    }

    .action-title {
        font-size: 0.95rem !important;
        margin-bottom: 0.35rem !important;
    }

    .action-card.card-featured .action-title {
        font-size: 1.25rem !important;
    }

    .action-desc {
        font-size: 0.75rem !important;
        line-height: 1.3 !important;
    }

    .modal-content { max-height: 95vh; margin: 0.5rem; }
}

@media (max-width: 640px) {
    .items-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.75rem !important;
    }

    .item-card, .location-card {
        border-radius: var(--radius-md) !important;
    }

    .item-thumb, .location-card-thumb {
        height: 120px !important;
    }

    .item-body {
        padding: 0.75rem !important;
    }

    .item-qr-code {
        font-size: 0.75rem !important;
        margin-bottom: 0.25rem !important;
    }

    .item-desc {
        font-size: 0.825rem !important;
        margin-bottom: 0.5rem !important;
        line-height: 1.3 !important;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .item-footer {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0.4rem !important;
        padding-top: 0.5rem !important;
    }

    .item-footer span {
        font-size: 0.7rem !important;
    }

    .item-footer-actions {
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        gap: 0.3rem !important;
        width: 100% !important;
    }

    .item-footer .btn,
    .item-footer-actions .btn {
        flex: 1 1 0px !important;
        width: auto !important;
        padding: 0.35rem 0.3rem !important;
        font-size: 0.75rem !important;
        text-align: center !important;
        white-space: nowrap !important;
        justify-content: center !important;
    }
}

/* ==========================================================================
   ESTILOS DE IMPRESIÓN PARA ETIQUETAS QR
   - Cajas: 3 Cols x 4 Filas (12 etiquetas por hoja carta, ~6.2cm x 6.2cm)
   - Artículos: 5 Cols x 7 Filas (35 etiquetas por hoja carta, 3.9cm x 3.65cm)
   ========================================================================== */
@page {
    size: letter portrait;
    margin: 1cm;
}

@media print {
    body.is-printing-qr > *:not(#printable-area) {
        display: none !important;
        visibility: hidden !important;
    }

    html, body {
        background: #ffffff !important;
        color: #000000 !important;
        margin: 0 !important;
        padding: 0 !important;
        width: 100% !important;
        height: 100% !important;
        overflow: hidden !important;
    }

    body.is-printing-qr #printable-area {
        display: block !important;
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        background: #ffffff !important;
        visibility: visible !important;
    }

    body.is-printing-qr #printable-area * {
        visibility: visible !important;
    }

    /* Grid por defecto y para Artículos (5 Cols x 7 Filas, 35 por hoja) */
    .qr-printable-grid,
    .qr-printable-grid.qr-grid-articulo {
        display: grid !important;
        grid-template-columns: repeat(5, 3.9cm) !important;
        grid-auto-rows: 3.65cm !important;
        gap: 0 !important;
        justify-content: center !important;
        align-content: start !important;
        width: 100% !important;
        margin: 0 auto !important;
        padding: 0 !important;
    }

    .qr-sticker {
        width: 3.9cm !important;
        height: 3.65cm !important;
        box-sizing: border-box !important;
        border: 1px dashed #666666 !important;
        margin-right: -1px !important;
        margin-bottom: -1px !important;
        padding: 1mm !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        background: #ffffff !important;
        page-break-inside: avoid !important;
        break-inside: avoid !important;
    }

    .qr-code-wrapper {
        width: 2.5cm !important;
        height: 2.5cm !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        overflow: hidden !important;
    }

    .qr-code-wrapper canvas {
        display: none !important;
    }

    .qr-code-wrapper img {
        width: 2.5cm !important;
        height: 2.5cm !important;
        max-width: 2.5cm !important;
        max-height: 2.5cm !important;
        min-width: 2.5cm !important;
        min-height: 2.5cm !important;
        object-fit: contain !important;
        aspect-ratio: 1 / 1 !important;
        display: block !important;
        margin: 0 auto !important;
        image-rendering: pixelated !important;
        image-rendering: crisp-edges !important;
    }

    .qr-sticker-label {
        font-size: 7.2pt !important;
        font-weight: bold !important;
        font-family: monospace !important;
        color: #000000 !important;
        margin-top: 0.5mm !important;
        text-align: center !important;
        white-space: nowrap !important;
        line-height: 1 !important;
    }

    /* Grid especial para Cajas (~6.2cm x 6.2cm, 3 Cols x 4 Filas = 12 por hoja carta) */
    .qr-printable-grid.qr-grid-caja {
        display: grid !important;
        grid-template-columns: repeat(3, 6.2cm) !important;
        grid-auto-rows: 6.2cm !important;
        gap: 0 !important;
        justify-content: center !important;
        align-content: start !important;
        width: 100% !important;
        margin: 0 auto !important;
        padding: 0 !important;
    }

    .qr-grid-caja .qr-sticker {
        width: 6.2cm !important;
        height: 6.2cm !important;
        box-sizing: border-box !important;
        border: 1px dashed #666666 !important;
        margin-right: -1px !important;
        margin-bottom: -1px !important;
        padding: 2mm !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        background: #ffffff !important;
        page-break-inside: avoid !important;
        break-inside: avoid !important;
    }

    .qr-grid-caja .qr-code-wrapper {
        width: 4.8cm !important;
        height: 4.8cm !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        overflow: hidden !important;
    }

    .qr-grid-caja .qr-code-wrapper img {
        width: 4.8cm !important;
        height: 4.8cm !important;
        max-width: 4.8cm !important;
        max-height: 4.8cm !important;
        min-width: 4.8cm !important;
        min-height: 4.8cm !important;
        object-fit: contain !important;
        aspect-ratio: 1 / 1 !important;
        display: block !important;
        margin: 0 auto !important;
        image-rendering: pixelated !important;
        image-rendering: crisp-edges !important;
    }

    .qr-grid-caja .qr-sticker-label {
        font-size: 11pt !important;
        font-weight: bold !important;
        font-family: monospace !important;
        color: #000000 !important;
        margin-top: 1.5mm !important;
        text-align: center !important;
        white-space: nowrap !important;
        line-height: 1 !important;
    }
}

/* ==========================================
   ESTILOS CARGA DE PRODUCTOS EN LOTE
   ========================================== */
.lote-camera-btn {
    flex: 1 1 110px !important;
    min-width: 0 !important;
    padding: 0.55rem 0.65rem !important;
    font-size: 0.825rem !important;
    white-space: nowrap !important;
    box-sizing: border-box !important;
}

@media (max-width: 900px) {
    .lote-responsive-grid {
        grid-template-columns: 1fr !important;
        width: 100% !important;
    }
}

@media (max-width: 768px) {
    html, body {
        overflow-x: hidden !important;
        max-width: 100vw !important;
    }

    .main-container {
        padding: 0.75rem 0.5rem !important;
        overflow-x: hidden !important;
        box-sizing: border-box !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .glass-card {
        padding: 0.85rem !important;
        border-radius: var(--radius-md) !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .lote-form-row-2col {
        grid-template-columns: 1fr !important;
        gap: 0.5rem !important;
    }

    .lote-camera-btn {
        flex: 1 1 45% !important;
        padding: 0.5rem 0.4rem !important;
        font-size: 0.78rem !important;
    }

    .batch-box-banner {
        padding: 0.75rem !important;
        gap: 0.5rem !important;
    }

    .btn-full {
        white-space: normal !important;
        word-break: break-word !important;
        text-align: center !important;
    }
}

.lote-history-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    transition: var(--transition);
    animation: loteSlideIn 0.3s ease-out;
}

.lote-history-item:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(0, 245, 160, 0.3);
}

.lote-history-item img {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    border: 1px solid var(--border-glass);
    background: #0f172a;
    flex-shrink: 0;
}

.lote-history-info {
    flex: 1;
    min-width: 0;
}

.lote-history-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.2rem;
}

.lote-history-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    gap: 0.6rem;
    align-items: center;
    flex-wrap: wrap;
}

@keyframes loteSlideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   ESTILOS ADMINISTRACIÓN DE UBICACIONES FÍSICAS
   ========================================== */
.location-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.location-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 204, 0, 0.4);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
}

.location-card-thumb {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: #0f172a;
}

.location-card-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.location-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.location-card-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.4;
    margin-bottom: 1rem;
}

.location-card-stats {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.location-stat-badge {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-glass);
}

/* EFECTO RAINBOW ANIMADO EN LA PALETA APROBADA */
@keyframes paletteRainbow {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: -200% 0%;
    }
}

.hero-title-rainbow {
    font-size: 2.75rem;
    font-weight: 800;
    margin: 0;
    display: inline-block;
    background: linear-gradient(90deg, #F4CE14 0%, #F5F7F8 20%, #495E57 40%, #F4CE14 60%, #F5F7F8 80%, #F4CE14 100%);
    background-size: 200% 100%;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: paletteRainbow 4s linear infinite;
}

/* GESTIÓN DE USUARIOS DE ADMINISTRADOR */
.admin-users-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.user-card {
    background: rgba(18, 22, 31, 0.75);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    transition: var(--transition);
}

.user-card:hover {
    border-color: rgba(255, 204, 0, 0.35);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.user-info-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 204, 0, 0.2), rgba(245, 158, 11, 0.3));
    border: 1px solid rgba(255, 204, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--accent-yellow);
}

.user-details h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.user-details p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

.badge-role-admin {
    background: rgba(255, 204, 0, 0.15);
    color: var(--accent-yellow);
    border: 1px solid rgba(255, 204, 0, 0.4);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 700;
}

.badge-status-active {
    background: rgba(0, 245, 160, 0.15);
    color: #00f5a0;
    border: 1px solid rgba(0, 245, 160, 0.4);
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 700;
}

.badge-status-inactive {
    background: rgba(255, 153, 0, 0.15);
    color: #ff9900;
    border: 1px solid rgba(255, 153, 0, 0.4);
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 700;
}

.btn-toggle-active {
    background: var(--color-slate);
    border: 1px solid var(--color-slate);
    color: #F5F7F8;
    padding: 0.6rem 1.1rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-toggle-active:hover {
    background: #394a44;
}

.btn-toggle-inactive {
    background: #45474B;
    border: 1px solid #45474B;
    color: #F5F7F8;
    padding: 0.6rem 1.1rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-toggle-inactive:hover {
    background: #36383b;
}

/* Ocultar botón Usuarios del Header en Móvil */
@media (max-width: 768px) {
    .btn-header-admin-users {
        display: none !important;
    }
}

/* Indicador de Notificación (Puntito Rojo Pulsante) */
.notification-dot {
    position: absolute;
    top: -3px;
    right: -3px;
    width: 11px;
    height: 11px;
    background-color: #ff4d4d;
    border-radius: 50%;
    border: 2px solid #0a0c10;
    box-shadow: 0 0 8px #ff4d4d;
    animation: pulseDot 1.8s infinite;
    pointer-events: none;
}

.notification-count-badge {
    background: #ff4d4d;
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 10px;
    box-shadow: 0 0 8px rgba(255, 77, 77, 0.6);
}

@keyframes pulseDot {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 77, 77, 0.8); }
    70% { transform: scale(1.15); box-shadow: 0 0 0 7px rgba(255, 77, 77, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 77, 77, 0); }
}

/* ==========================================================================
   REGLAS ESPECÍFICAS DE MODO CLARO (LIGHT MODE OVERRIDES)
   ========================================================================== */
[data-theme="light"] .app-header {
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 2px solid rgba(69, 71, 75, 0.22);
}

[data-theme="light"] .brand-title {
    color: #45474B !important;
    font-weight: 800 !important;
}

[data-theme="light"] .brand-icon {
    background: #F4CE14 !important;
    box-shadow: 0 2px 10px rgba(244, 206, 20, 0.3);
}

[data-theme="light"] .hero-title-rainbow {
    color: #c89600 !important;
    background: none !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: initial !important;
    animation: none !important;
}

[data-theme="light"] .btn-header-ai,
[data-theme="light"] .btn-header-admin-users,
[data-theme="light"] .btn-header-theme,
[data-theme="light"] .btn-header-qrs,
[data-theme="light"] .hamburger-btn {
    background: transparent !important;
    border: 1.5px solid #F4CE14 !important;
    color: #45474B !important;
    box-shadow: none !important;
}

[data-theme="light"] .btn-header-ai svg,
[data-theme="light"] .btn-header-admin-users svg,
[data-theme="light"] .btn-header-theme svg,
[data-theme="light"] .btn-header-qrs svg,
[data-theme="light"] .hamburger-btn svg {
    fill: #45474B !important;
    color: #45474B !important;
}

[data-theme="light"] .btn-header-ai:hover,
[data-theme="light"] .btn-header-admin-users:hover,
[data-theme="light"] .btn-header-theme:hover,
[data-theme="light"] .btn-header-qrs:hover,
[data-theme="light"] .hamburger-btn:hover,
[data-theme="light"] .btn-header-ai:active,
[data-theme="light"] .btn-header-admin-users:active,
[data-theme="light"] .btn-header-theme:active,
[data-theme="light"] .btn-header-qrs:active,
[data-theme="light"] .hamburger-btn:active {
    background: #495E57 !important;
    border-color: #495E57 !important;
    color: #ffffff !important;
}

[data-theme="light"] .btn-header-ai:hover svg,
[data-theme="light"] .btn-header-admin-users:hover svg,
[data-theme="light"] .btn-header-theme:hover svg,
[data-theme="light"] .btn-header-qrs:hover svg,
[data-theme="light"] .hamburger-btn:hover svg,
[data-theme="light"] .btn-header-ai:active svg,
[data-theme="light"] .btn-header-admin-users:active svg,
[data-theme="light"] .btn-header-theme:active svg,
[data-theme="light"] .btn-header-qrs:active svg,
[data-theme="light"] .hamburger-btn:active svg {
    fill: #ffffff !important;
    color: #ffffff !important;
}

[data-theme="light"] .btn-primary {
    background: #F4CE14 !important;
    color: #1e2024 !important;
    border: none !important;
    box-shadow: 0 4px 15px rgba(244, 206, 20, 0.35) !important;
}

[data-theme="light"] .btn-secondary {
    background: #e2e8f0 !important;
    color: #334155 !important;
    border: 1px solid #cbd5e1 !important;
}

[data-theme="light"] .btn-secondary:hover {
    background: #cbd5e1 !important;
    color: #0f172a !important;
}

[data-theme="light"] .btn-success {
    background: #10b981 !important;
    color: #ffffff !important;
    border: none !important;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25) !important;
}

[data-theme="light"] .btn-danger {
    background: #fee2e2 !important;
    color: #dc2626 !important;
    border: 1px solid #fca5a5 !important;
}

[data-theme="light"] .btn-danger:hover {
    background: #fecaca !important;
    color: #b91c1c !important;
}

[data-theme="light"] .btn-minimal-add {
    background: rgba(217, 119, 6, 0.08) !important;
    color: #b45309 !important;
    border: 1px solid rgba(217, 119, 6, 0.3) !important;
}

[data-theme="light"] .btn-minimal-add:hover {
    background: rgba(217, 119, 6, 0.16) !important;
    color: #92400e !important;
    border-color: rgba(217, 119, 6, 0.5) !important;
    box-shadow: 0 4px 12px rgba(217, 119, 6, 0.15) !important;
}

[data-theme="light"] .btn-minimal-add-success {
    background: rgba(16, 185, 129, 0.08) !important;
    color: #047857 !important;
    border: 1px solid rgba(16, 185, 129, 0.3) !important;
}

[data-theme="light"] .btn-minimal-add-success:hover {
    background: rgba(16, 185, 129, 0.16) !important;
    color: #065f46 !important;
    border-color: rgba(16, 185, 129, 0.5) !important;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15) !important;
}

[data-theme="light"] .category-pill {
    background: #f1f5f9 !important;
    color: #64748b !important;
    border: 1px solid #cbd5e1 !important;
}

[data-theme="light"] .category-pill:hover {
    background: #e2e8f0 !important;
    color: #1e293b !important;
    border-color: #94a3b8 !important;
}

[data-theme="light"] .category-pill.active {
    background: #f4ce14 !important;
    color: #1e2024 !important;
    border-color: #e5b800 !important;
    font-weight: 700 !important;
    box-shadow: 0 2px 8px rgba(244, 206, 20, 0.3) !important;
}

/* Modificadores de Botones de Acción de Tarjetas (Item & Box Footer Actions) en Modo Claro */
[data-theme="light"] .item-footer-actions .btn-secondary {
    background: #f1f5f9 !important;
    color: #475569 !important;
    border: 1px solid #cbd5e1 !important;
}

[data-theme="light"] .item-footer-actions .btn-secondary:hover {
    background: #e2e8f0 !important;
    color: #0f172a !important;
    border-color: #94a3b8 !important;
}

[data-theme="light"] .item-footer-actions button[title*="Mover"],
[data-theme="light"] .item-footer-actions button[style*="accent-gold"] {
    background: #fffbeb !important;
    color: #d97706 !important;
    border: 1px solid #fde68a !important;
}

[data-theme="light"] .item-footer-actions button[title*="Mover"]:hover,
[data-theme="light"] .item-footer-actions button[style*="accent-gold"]:hover {
    background: #fef3c7 !important;
    color: #b45309 !important;
    border-color: #fcd34d !important;
}

[data-theme="light"] .item-footer-actions .btn-danger,
[data-theme="light"] .item-footer-actions button[title*="Eliminar"] {
    background: #fef2f2 !important;
    color: #dc2626 !important;
    border: 1px solid #fecaca !important;
}

[data-theme="light"] .item-footer-actions .btn-danger:hover,
[data-theme="light"] .item-footer-actions button[title*="Eliminar"]:hover {
    background: #fee2e2 !important;
    color: #b91c1c !important;
    border-color: #fca5a5 !important;
}

[data-theme="light"] .stat-card {
    background: #ffffff !important;
    border: 1.5px solid rgba(69, 71, 75, 0.22) !important;
    box-shadow: 0 4px 18px rgba(69, 71, 75, 0.08) !important;
}

[data-theme="light"] .stat-val {
    color: #495E57 !important;
    font-weight: 800 !important;
    font-size: 2.4rem !important;
}

[data-theme="light"] .stat-label {
    color: #45474B !important;
    font-weight: 700 !important;
}

[data-theme="light"] .action-card {
    background: #ffffff !important;
    border: 1.5px solid rgba(69, 71, 75, 0.2) !important;
}

[data-theme="light"] .action-card::before,
[data-theme="light"] .action-card.card-featured::before {
    background: #F4CE14 !important;
}

[data-theme="light"] .action-card.card-featured {
    background: #ffffff !important;
    border: 2px solid #F4CE14 !important;
    box-shadow: 0 8px 25px rgba(244, 206, 20, 0.18) !important;
}

[data-theme="light"] .action-icon {
    background: rgba(244, 206, 20, 0.18) !important;
    border-color: #F4CE14 !important;
}

[data-theme="light"] .action-icon svg {
    fill: #45474B !important;
}

/* Modales y Encabezados de Modales en Modo Claro */
[data-theme="light"] .modal-content,
[data-theme="light"] .glass-card {
    background: #ffffff !important;
    border: 1.5px solid rgba(69, 71, 75, 0.25) !important;
    color: #45474B !important;
}

[data-theme="light"] .modal-header,
[data-theme="light"] .modal-box-header {
    background: #F5F7F8 !important;
    border-bottom: 1.5px solid rgba(69, 71, 75, 0.2) !important;
    color: #45474B !important;
}

[data-theme="light"] .modal-title,
[data-theme="light"] .modal-header h2,
[data-theme="light"] .modal-header h3,
[data-theme="light"] .modal-header h4 {
    color: #45474B !important;
    font-weight: 800 !important;
}

[data-theme="light"] .modal-body,
[data-theme="light"] .modal-footer {
    background: #ffffff !important;
    color: #45474B !important;
}

/* Gestión de Usuarios en Modo Claro */
[data-theme="light"] .user-card {
    background: #ffffff !important;
    border: 1.5px solid rgba(69, 71, 75, 0.2) !important;
    color: #45474B !important;
    box-shadow: 0 4px 14px rgba(69, 71, 75, 0.06) !important;
}

[data-theme="light"] .user-avatar {
    background: #F4CE14 !important;
    color: #1e2024 !important;
    border: none !important;
}

[data-theme="light"] .user-details h4 {
    color: #45474B !important;
}

[data-theme="light"] .user-details p {
    color: #676b70 !important;
}

[data-theme="light"] .badge-status-active {
    background: rgba(73, 94, 87, 0.18) !important;
    color: #495E57 !important;
    border: 1px solid #495E57 !important;
}

[data-theme="light"] .badge-role-admin {
    background: rgba(244, 206, 20, 0.25) !important;
    color: #45474B !important;
    border: 1px solid #F4CE14 !important;
}

[data-theme="light"] input,
[data-theme="light"] select,
[data-theme="light"] textarea {
    background: #ffffff !important;
    color: #45474B !important;
    border: 1.5px solid rgba(69, 71, 75, 0.3) !important;
}

/* TARJETAS CONTEO DASHBOARD EN MODO CLARO Y OSCURO */
.stat-banner-card {
    cursor: pointer;
    background: #2b2e34;
    border: 1.5px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 1.1rem 0.5rem;
    text-align: center;
    transition: var(--transition);
}

.stat-banner-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-yellow);
}

.stat-val-num {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent-yellow);
    line-height: 1;
}

.stat-label-text {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-top: 0.4rem;
}

[data-theme="light"] .stat-banner-card {
    background: #ffffff !important;
    border: 1.5px solid rgba(69, 71, 75, 0.22) !important;
    box-shadow: 0 4px 16px rgba(69, 71, 75, 0.08) !important;
}

[data-theme="light"] .stat-val-num {
    color: #495E57 !important;
    font-weight: 800 !important;
}

[data-theme="light"] .stat-label-text {
    color: #45474B !important;
    font-weight: 700 !important;
}

/* MENÚ MÓVIL OVERLAY EN MODO CLARO */
[data-theme="light"] .mobile-menu-overlay {
    background: #F5F7F8 !important;
    color: #45474B !important;
}

[data-theme="light"] .mobile-menu-header {
    border-bottom: 1.5px solid rgba(69, 71, 75, 0.2) !important;
}

[data-theme="light"] .mobile-menu-item {
    background: transparent !important;
    border: 1px solid transparent !important;
    color: #1e2024 !important;
    box-shadow: none !important;
}

[data-theme="light"] .mobile-menu-item:hover,
[data-theme="light"] .mobile-menu-item:active {
    background: rgba(0, 0, 0, 0.05) !important;
    border-color: rgba(0, 0, 0, 0.08) !important;
    color: #495E57 !important;
    transform: translateX(4px) !important;
}

[data-theme="light"] .mobile-menu-item-special {
    background: transparent !important;
    border: 1px solid transparent !important;
    color: #d4a706 !important;
}

[data-theme="light"] .mobile-menu-item-special:hover,
[data-theme="light"] .mobile-menu-item-special:active {
    background: rgba(244, 206, 20, 0.12) !important;
    color: #b58e00 !important;
}

[data-theme="light"] .mobile-menu-item-danger {
    background: rgba(239, 68, 68, 0.06) !important;
    border: 1px solid rgba(239, 68, 68, 0.25) !important;
    color: #dc2626 !important;
}

[data-theme="light"] .mobile-menu-item-danger:hover, [data-theme="light"] .mobile-menu-item-danger:active {
    background: rgba(239, 68, 68, 0.15) !important;
    border-color: #dc2626 !important;
    color: #b91c1c !important;
}

[data-theme="light"] .mobile-menu-divider {
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.08), transparent) !important;
}

[data-theme="light"] .mobile-menu-header .btn-close {
    color: #45474B !important;
}

/* ENCABEZADO DE INICIO (MÓVIL) */
@media (max-width: 768px) {
    #tab-section-inicio .hero-section {
        position: relative !important;
        top: 0 !important;
        z-index: 1;
        padding: 2.25rem 1rem 0.5rem 1rem!important;
    }

    .hero-title-rainbow {
        font-size: 2.75rem !important;
        line-height: 1.15 !important;
    }

    .action-card.card-featured {
        padding: 2rem 1.5rem !important;
    }

    #tab-section-inicio .action-grid {
        position: relative;
        z-index: 2;
        background: transparent !important;
        border-radius: 0 !important;
        padding-top: 0 !important;
        margin-top: 2.5rem !important;
        box-shadow: none !important;
    }

    [data-theme="light"] #tab-section-inicio .action-grid {
        background: transparent !important;
        box-shadow: none !important;
    }
}

/* BUSCADOR UNIFICADO EN UNA SOLA LÍNEA CON SEPARADOR (ULTRA REDONDEADO) */
.search-single-bar-container {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1.5px solid var(--border-glass, rgba(244, 206, 20, 0.3));
    border-radius: 9999px !important;
    padding: 5px 8px 5px 18px;
    gap: 8px;
    width: 100%;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    margin-top: 1rem;
    overflow: hidden;
}

[data-theme="light"] .search-single-bar-container {
    background: #ffffff;
    border-color: rgba(184, 141, 0, 0.35);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.search-single-bar-container:focus-within {
    border-color: var(--accent-yellow) !important;
    box-shadow: 0 0 16px rgba(244, 206, 20, 0.3) !important;
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
    gap: 10px;
}

.search-bar-icon {
    color: var(--text-muted);
    flex-shrink: 0;
}

.search-single-input,
.search-single-input:focus,
.search-single-input:active {
    width: 100% !important;
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    color: var(--text-main) !important;
    font-size: 0.95rem !important;
    padding: 8px 0 !important;
    margin: 0 !important;
}

.search-single-input::placeholder {
    color: var(--text-muted);
    opacity: 0.75;
}

.btn-search-main {
    background: var(--accent-yellow) !important;
    color: var(--text-on-yellow, #1e2024) !important;
    font-weight: 800;
    font-size: 0.88rem;
    border: none !important;
    border-radius: 9999px !important;
    padding: 8px 22px !important;
    cursor: pointer;
    flex-shrink: 0;
    white-space: nowrap;
    transition: transform 0.15s ease, opacity 0.15s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.btn-search-main:hover {
    opacity: 0.92;
    transform: scale(1.03);
}

.search-v-divider {
    width: 1.5px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
    margin: 0 4px;
}

[data-theme="light"] .search-v-divider {
    background: rgba(0, 0, 0, 0.18);
}

.btn-voice-search-icon {
    background: transparent !important;
    border: none !important;
    color: var(--accent-yellow) !important;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px !important;
    border-radius: 9999px !important;
    cursor: pointer;
    flex-shrink: 0;
    font-weight: 700;
    font-size: 0.88rem;
    white-space: nowrap;
    transition: background 0.15s ease, color 0.15s ease;
}

.btn-voice-search-icon:hover {
    background: rgba(244, 206, 20, 0.15) !important;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.spinner-icon {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
    box-sizing: border-box;
}

.btn.is-loading,
button.is-loading,
.btn-submit.is-loading {
    position: relative !important;
    pointer-events: none !important;
    opacity: 0.75 !important;
    cursor: not-allowed !important;
    user-select: none !important;
}

/* FILA DE BOTONES DE ACCIÓN IA (UNA SOLA FILA EN MÓVIL Y PC) */
.search-ai-buttons-row {
    margin-top: 0.6rem;
    margin-bottom: 0.8rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: nowrap !important;
    width: 100%;
    box-sizing: border-box;
}

.btn-ai-action {
    flex: 1 1 50%;
    min-width: 0;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 0.5rem 0.6rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    border-radius: 9999px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.btn-ai-action span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-ai-action svg {
    flex-shrink: 0;
}

/* MODO OSCURO (PALETA OFICIAL BLACK BOX: #1e2024, #F4CE14, #495E57, #45474B) */
.btn-ai-camera {
    background: rgba(244, 206, 20, 0.12);
    border: 1.5px solid #F4CE14;
    color: #F4CE14;
}

.btn-ai-camera:hover {
    background: rgba(244, 206, 20, 0.25);
    transform: translateY(-1px);
}

.btn-ai-voice {
    background: rgba(73, 94, 87, 0.35);
    border: 1.5px solid #495E57;
    color: #F5F7F8;
}

.btn-ai-voice:hover {
    background: rgba(73, 94, 87, 0.6);
    transform: translateY(-1px);
}

/* MODO CLARO [data-theme="light"] CON PALETA ELEGANTE Y ALTA LEGIBILIDAD */
[data-theme="light"] .btn-ai-camera {
    background: #fffbeb !important;
    border: 1.5px solid #d97706 !important;
    color: #92400e !important;
    box-shadow: 0 2px 6px rgba(217, 119, 6, 0.12);
}

[data-theme="light"] .btn-ai-camera:hover {
    background: #fef3c7 !important;
    color: #78350f !important;
    border-color: #b45309 !important;
}

[data-theme="light"] .btn-ai-voice {
    background: #495E57 !important;
    border: 1.5px solid #3c4f49 !important;
    color: #ffffff !important;
    box-shadow: 0 2px 6px rgba(73, 94, 87, 0.2);
}

[data-theme="light"] .btn-ai-voice:hover {
    background: #3c4f49 !important;
    color: #ffffff !important;
}

[data-theme="light"] .search-single-input {
    color: #1e293b !important;
}

[data-theme="light"] .search-single-input::placeholder {
    color: #64748b !important;
    opacity: 1 !important;
}

[data-theme="light"] .search-bar-icon {
    color: #475569 !important;
}

@media (max-width: 480px) {
    .btn-ai-action {
        font-size: 0.76rem;
        padding: 0.45rem 0.35rem;
        gap: 0.25rem;
    }
    .btn-ai-action svg {
        width: 14px;
        height: 14px;
    }
}

@media (max-width: 768px) {
    .hide-on-mobile,
    #btn-header-recuerdos,
    #btn-header-theme-toggle {
        display: none !important;
    }
}

/* ==========================================================================
   ESTILOS DESTACADOS PARA EL BOTÓN DE PWA (INSTALAR APLICACIÓN)
   ========================================================================== */
.btn-pwa-install {
    border-radius: var(--radius-md) !important;
    font-weight: 600 !important;
    transition: var(--transition) !important;
}

[data-theme="dark"] .btn-pwa-install {
    background: rgba(244, 206, 20, 0.12) !important;
    color: var(--accent-yellow) !important;
    border: 1px solid rgba(244, 206, 20, 0.35) !important;
}

[data-theme="dark"] .btn-pwa-install:hover {
    background: rgba(244, 206, 20, 0.22) !important;
    border-color: var(--accent-yellow) !important;
}

/* En Modo Claro el botón PWA resalta intensamente */
[data-theme="light"] .btn-pwa-install {
    background: linear-gradient(135deg, #b88d00 0%, #d4a300 100%) !important;
    color: #ffffff !important;
    border: 1px solid #997500 !important;
    box-shadow: 0 4px 14px rgba(184, 141, 0, 0.4) !important;
}

[data-theme="light"] .btn-pwa-install span,
[data-theme="light"] .btn-pwa-install svg {
    color: #ffffff !important;
    fill: #ffffff !important;
}

[data-theme="light"] .btn-pwa-install:hover {
    background: linear-gradient(135deg, #997500 0%, #b88d00 100%) !important;
    box-shadow: 0 6px 18px rgba(184, 141, 0, 0.5) !important;
    color: #ffffff !important;
}

/* ==========================================================================
   GALERÍA DE RECUERDOS (FOTOS Y FECHAS DE PRODUCTOS - BENTO MASONRY)
   ========================================================================== */

.memories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    grid-auto-rows: 190px;
    grid-auto-flow: dense;
    gap: 0.5rem;
    margin-bottom: 2.5rem;
}

.memory-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
    position: relative;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.memory-card.large {
    grid-column: span 2;
    grid-row: span 2;
}

.memory-card.wide {
    grid-column: span 2;
    grid-row: span 1;
}

.memory-card.tall {
    grid-column: span 1;
    grid-row: span 2;
}

@media (max-width: 640px) {
    .memories-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 140px;
        gap: 0.4rem;
    }

    .memory-card.large {
        grid-column: span 2;
        grid-row: span 2;
    }

    .memory-card.wide {
        grid-column: span 2;
        grid-row: span 1;
    }

    .memory-card.tall {
        grid-column: span 1;
        grid-row: span 2;
    }
}

@media (max-width: 400px) {
    .memories-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 220px;
        gap: 0.4rem;
    }

    .memory-card.large,
    .memory-card.wide,
    .memory-card.tall {
        grid-column: span 1;
        grid-row: span 1;
    }
}

.memory-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-glass);
    box-shadow: var(--shadow-glow);
}

.memory-photo-container {
    position: relative;
    width: 100%;
    height: 100%;
    flex: 1;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.2);
}

.memory-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.memory-card:hover .memory-photo {
    transform: scale(1.06);
}

/* Texto de fecha flotante sobre la foto (sin borde ni fondo) */
.memory-date-badge {
    position: absolute;
    bottom: 0.6rem;
    left: 0.65rem;
    background: none;
    border: none;
    box-shadow: none;
    color: #ffffff;
    padding: 0;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
    pointer-events: none;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.95), 0 2px 8px rgba(0, 0, 0, 0.85);
    transition: var(--transition);
}

/* Botón sutil de ubicación de caja en tarjetas de recuerdos */
.memory-box-link-btn {
    position: absolute;
    top: 0.55rem;
    left: 0.6rem;
    z-index: 5;
    background: rgba(18, 22, 31, 0.82);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(244, 206, 20, 0.4);
    color: var(--accent-yellow);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.22rem 0.6rem;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    max-width: calc(100% - 1.2rem);
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    line-height: 1.3;
}

.memory-box-link-btn:hover,
.memory-box-link-btn:active {
    background: var(--accent-yellow);
    color: #1e2024;
    border-color: var(--accent-yellow);
    transform: scale(1.04);
    box-shadow: 0 4px 15px rgba(244, 206, 20, 0.45);
}

.memory-box-link-btn svg {
    flex-shrink: 0;
    transition: var(--transition);
}

[data-theme="light"] .memory-box-link-btn {
    background: rgba(255, 255, 255, 0.92);
    color: #45474B;
    border: 1px solid #F4CE14;
}

[data-theme="light"] .memory-box-link-btn:hover,
[data-theme="light"] .memory-box-link-btn:active {
    background: #F4CE14;
    color: #1e2024;
}

.memory-card:hover .memory-date-badge {
    color: var(--accent-yellow);
    transform: translateY(-1px);
}

.memory-overlay-hover {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(2px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.25s ease;
    z-index: 3;
}

.memory-card:hover .memory-overlay-hover {
    opacity: 1;
}

[data-theme="light"] .memory-card {
    background: #ffffff;
    border-color: rgba(69, 71, 75, 0.15);
}

[data-theme="light"] .memory-date-badge {
    background: rgba(255, 255, 255, 0.88);
    border-color: rgba(184, 141, 0, 0.4);
    color: #b88d00;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}