/* ===== CLEAN HEADER STYLES - MODERN SEMANTIC LAYOUT ===== */

/* CSS Custom Properties */
:root {
    /* Header Variables */
    --header-height: 72px;
    --header-padding: 16px 24px;
    --header-max-width: 1200px;

    /* Colors - Allineati al brand InsightLearn (viola)
       Fix 3.14.23: i valori precedenti #dc2626 (rosso Redis) sovrascrivevano i token globali
       di site-v31420b.css (#6C3CE1 viola brand) causando hover incoerenti. */
    --primary-color: #6C3CE1;
    --primary-hover: #8710d8;
    --primary-light: #ddd6fe;
    --text-primary: #111827;
    /* Darker for modern professional look */
    --text-secondary: #6b7280;
    /* Professional gray like Redis.io */
    --text-light: #9ca3af;
    --border-light: #e5e7eb;
    /* Clean modern border */
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    /* Clean light background */
    --bg-hover: #f3f4f6;
    /* Subtle hover state */
    --bg-accent: #eff6ff;
    /* Light blue accent */
    --bg-subtle: #f8fafc;
    /* Very light background */
    --shadow-color: rgba(17, 24, 39, 0.06);
    /* Professional shadow */

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    --space-2xl: 32px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Shadows - Professional Redis.io style */
    --shadow-sm: 0 1px 3px var(--shadow-color), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 6px var(--shadow-color), 0 2px 4px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 10px 15px var(--shadow-color), 0 4px 6px rgba(15, 23, 42, 0.03);
    --shadow-xl: 0 20px 25px var(--shadow-color), 0 10px 10px rgba(15, 23, 42, 0.02);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
}

/* ===== MAIN HEADER WRAPPER - CRITICAL STICKY POSITIONING ===== */
.main-header {
    /* CRITICAL: position sticky with fallback */
    position: -webkit-sticky !important;
    /* Safari */
    position: sticky !important;
    top: 0 !important;

    /* CRITICAL: z-index must be higher than all page content */
    z-index: 10001 !important;

    /* CRITICAL: Create isolated stacking context for sticky positioning */
    isolation: isolate !important;

    /* CRITICAL: Full width spanning */
    width: 100% !important;
    left: 0 !important;
    right: 0 !important;

    /* Visual appearance */
    background-color: rgba(255, 255, 255, 0.98) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);

    /* PERFORMANCE: GPU acceleration WITHOUT breaking sticky */
    /* RIMOSSO: transform: translateZ(0) - ROMPE STICKY! */
    /* RIMOSSO: -webkit-transform: translateZ(0) - ROMPE STICKY! */
    will-change: box-shadow;
    /* Solo box-shadow, non transform */
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;

    /* Modern glassmorphism effect */
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);

    /* Smooth transitions for scroll effects */
    transition: box-shadow 200ms ease-out, background-color 200ms ease-out;

    /* CRITICAL: Containment WITHOUT breaking sticky */
    /* MODIFICATO: contain: layout style; (rimosso 'paint') */
    contain: layout style;
    /* Solo layout e style, NO paint */
}

/* ===== CRITICAL: SCROLL CONTAINER PROTECTION ===== */
/* Force .main-layout to be proper scroll container for sticky header */
.main-layout,
#app,
body {
    /* CRITICAL: Must allow vertical scroll */
    overflow-y: auto !important;
    overflow-x: hidden !important;

    /* CRITICAL: NO transform/perspective */
    transform: none !important;
    perspective: none !important;

    /* CRITICAL: NO contain:paint */
    contain: none !important;
}

/* Ensure all parent containers don't break sticky */
.main-layout *:has(.main-header),
#app:has(.main-header) {
    overflow: visible !important;
    transform: none !important;
    perspective: none !important;
}

/* Enhanced shadow on scroll (add .scrolled class via JS) */
.main-header.scrolled {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12) !important;
    background-color: rgba(255, 255, 255, 0.95) !important;
}

/* ===== UNIFIED HEADER CONTAINER - CRITICAL LAYOUT FIXES ===== */
.main-header-container {
    /* CRITICAL: Fixed height for consistency - DO NOT REMOVE */
    height: var(--header-height) !important;
    width: 100% !important;

    /* Professional clean appearance */
    background-color: transparent !important;
    /* CRITICAL: Let parent .main-header control background */
    border-bottom: 1px solid var(--border-light);
    box-shadow: none !important;
    /* CRITICAL: Remove to prevent double shadows */

    /* CRITICAL: Positioning - relative within sticky parent */
    position: relative !important;
    /* MUST be relative, NOT sticky */
    z-index: inherit;
    /* Inherit from parent .main-header */

    /* UNIFIED 3-COLUMN GRID LAYOUT */
    display: grid !important;
    grid-template-columns: minmax(200px, auto) 1fr minmax(300px, auto);
    grid-template-areas: "logo search actions";

    /* PERFECT VERTICAL ALIGNMENT */
    align-items: center !important;
    align-content: center !important;

    /* Spacing and layout */
    padding: 0 var(--space-xl);
    gap: var(--space-xl);
    max-width: 1400px;
    margin: 0 auto;

    /* CRITICAL: Layout optimization for sticky to work */
    overflow: visible !important;
    /* MUST be visible - hidden breaks sticky on parent */
    box-sizing: border-box;

    /* Typography */
    font-family: var(--font-family);
    letter-spacing: -0.01em;

    /* PERFORMANCE: Contain layout changes */
    contain: layout style;
}

/* Grid Areas */
.header-logo-section {
    grid-area: logo;
}

.header-search-section {
    grid-area: search;
}

.header-actions-section {
    grid-area: actions;
}

/* ===== LOGO SECTION ===== */
.header-logo-section {
    justify-self: start;
    min-width: 0;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: var(--font-weight-bold);
    font-size: 20px;
    transition: opacity var(--transition-fast);
}

.logo-link:hover {
    opacity: 0.8;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-image {
    height: 36px;
    width: auto;
    margin-right: var(--space-md);
}

.logo-text {
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

/* ===== SEARCH SECTION ===== */
.header-search-section {
    justify-self: center;
    width: 100%;
    max-width: 400px;
    min-width: 200px;
}

.search-form {
    width: 100%;
}

.search-input-wrapper {
    position: relative;
    width: 100%;
}

/* Search input - Redis.io Clean Professional Style */
.search-input {
    width: 100%;
    height: 42px;
    /* Slightly smaller for cleaner look */
    padding: 0 56px 0 16px;
    /* CRITICAL: Right padding 56px, left 16px */
    border: 1px solid var(--border-light);
    /* Clean border like Redis.io */
    border-radius: 6px;
    /* Subtle rounded corners */
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    background-color: var(--bg-white);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%236b7280' viewBox='0 0 24 24'%3E%3Cpath d='M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z' stroke='%236b7280' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: calc(100% - 16px) center;
    /* CRITICAL: Icon on RIGHT */
    background-size: 20px 20px;
    /* Better visibility */
    color: var(--text-primary);
    transition: all var(--transition-fast);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    /* Very subtle shadow */

    /* Enhanced focus styling for modern look */
    outline: none;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(108, 60, 225, 0.08), 0 1px 3px rgba(0, 0, 0, 0.06);
    /* Clean modern focus */
    background-color: var(--bg-white);
}

.search-input::placeholder {
    color: var(--text-secondary);
}

/* Hide submit button - search triggered by Enter key */
.search-submit-btn {
    display: none;
}

/* ===== DESKTOP-ONLY ELEMENTS ===== */
.desktop-only {
    display: flex;
    align-items: center;
}

/* Hide on mobile/tablet */
@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
}

/* Desktop Layout - Maintain 3-column structure */
@media (min-width: 769px) {
    .main-header-container {
        grid-template-columns: minmax(220px, auto) 1fr minmax(400px, auto);
        grid-template-areas: "logo search actions";
        gap: var(--space-2xl);
        padding: 0 var(--space-2xl);
    }
}

/* ===== ENHANCED CATEGORIES DROPDOWN ===== */
.nav-dropdown {
    position: relative;
}

/* Categories Trigger Button */
.categories-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light) 100%);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    font-family: var(--font-family);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.categories-trigger::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(164, 53, 240, 0.1), transparent);
    transition: left 0.5s ease;
}

.categories-trigger:hover::before {
    left: 100%;
}

.categories-trigger:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(164, 53, 240, 0.3);
}

.categories-icon {
    font-size: 16px;
    transition: transform var(--transition-normal);
}

.categories-trigger:hover .categories-icon {
    transform: scale(1.1);
}

.dropdown-arrow {
    transition: transform var(--transition-normal);
    margin-left: auto;
}

.dropdown-arrow.rotated {
    transform: rotate(180deg);
}

/* Categories Backdrop - Closes menu when clicking outside */
.categories-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.15);
    z-index: 1040;
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Enhanced Categories Menu - v2.1.0-dev Horizontal Layout with Small Icons */
.categories-menu {
    position: absolute;
    top: calc(100% + var(--space-sm));
    right: 0;
    left: auto;
    width: 520px;
    /* Optimized for 2-column horizontal layout */
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.18), 0 8px 16px rgba(0, 0, 0, 0.12);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.98);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.categories-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Categories Header */
.categories-header {
    padding: var(--space-xl) var(--space-xl) var(--space-lg);
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
    border-bottom: 1px solid var(--border-light);
}

.categories-title {
    margin: 0 0 var(--space-xs);
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.categories-subtitle {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Categories Grid - 2 columns horizontal layout - v2.1.0-dev */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    /* 2 columns for horizontal items */
    gap: 8px;
    padding: 16px;
}

/* Category Items - Horizontal layout with small icon + label - v2.1.0-dev */
.category-item {
    display: flex;
    flex-direction: row;
    /* Horizontal: icon left, text right */
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s ease;
    background: #f8fafc;
    border: 1px solid transparent;
}

.category-item:hover {
    background: #ffffff;
    border-color: #e2e8f0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    text-decoration: none;
    color: var(--text-primary);
}

/* Category Icon - Small square with gradient - v2.1.0-dev Horizontal */
.category-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    flex-shrink: 0;
    transition: transform 0.2s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.category-icon i {
    font-size: 14px;
    line-height: 1;
}

.category-item:hover .category-icon {
    transform: scale(1.08);
}

/* Category Label - v2.1.0-dev Horizontal layout */
.category-label {
    font-size: 14px;
    font-weight: 500;
    color: #1f2937;
    text-align: left;
    line-height: 1.3;
    white-space: nowrap;
}

.category-item.featured {
    background: linear-gradient(135deg, rgba(164, 53, 240, 0.05) 0%, rgba(135, 16, 216, 0.05) 100%);
    border: 1px solid rgba(164, 53, 240, 0.1);
}

.category-item.featured:hover {
    background: linear-gradient(135deg, rgba(164, 53, 240, 0.1) 0%, rgba(135, 16, 216, 0.1) 100%);
    border-color: rgba(164, 53, 240, 0.2);
}

/* Category Icon Wrappers with Colors */
.category-icon-wrapper {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: white;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.category-item:hover .category-icon-wrapper {
    transform: scale(1.1);
}

.category-icon-wrapper.development {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.category-icon-wrapper.business {
    background: linear-gradient(135deg, #10b981, #059669);
}

.category-icon-wrapper.design {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.category-icon-wrapper.marketing {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.category-icon-wrapper.it-software {
    background: linear-gradient(135deg, #6C3CE1, #5a2dc7);
}

.category-icon-wrapper.photography {
    background: linear-gradient(135deg, #ec4899, #db2777);
}

/* Category Content */
.category-content {
    flex: 1;
    min-width: 0;
}

.category-name {
    display: block;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.category-count {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

/* Category Arrow */
.category-arrow {
    opacity: 0;
    transform: translateX(-8px);
    transition: all var(--transition-fast);
    color: var(--primary-color);
}

.category-item:hover .category-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* Categories Footer */
.categories-footer {
    padding: var(--space-lg) var(--space-xl) var(--space-xl);
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
    border-top: 1px solid var(--border-light);
}

.view-all-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.view-all-btn:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, #5a2dc7 100%);
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(164, 53, 240, 0.4);
}

/* ===================================
   EXPANDED CATEGORIES MENU (v2.1.0)
   16 categories in 4x4 grid layout
   =================================== */

.categories-menu-expanded {
    min-width: 520px;
    max-width: 580px;
    padding: 0;
}

.categories-grid-expanded {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xs);
    padding: var(--space-md);
}

.categories-grid-expanded .category-item {
    flex-direction: column;
    text-align: center;
    padding: var(--space-md) var(--space-sm);
    gap: var(--space-sm);
    min-height: 80px;
    justify-content: center;
}

.categories-grid-expanded .category-item i {
    font-size: 24px;
    transition: transform 0.2s ease;
}

.categories-grid-expanded .category-item:hover i {
    transform: scale(1.15);
}

.categories-grid-expanded .category-item span {
    font-size: 12px;
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

.categories-grid-expanded .category-item:hover {
    background: var(--bg-hover);
    transform: translateY(-2px);
}

/* Categories Footer with dual links */
.categories-menu-expanded .categories-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    gap: var(--space-md);
}

.categories-menu-expanded .view-all-link,
.categories-menu-expanded .browse-courses-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.categories-menu-expanded .view-all-link:hover,
.categories-menu-expanded .browse-courses-link:hover {
    background: var(--primary);
    color: white;
}

.categories-menu-expanded .view-all-link i,
.categories-menu-expanded .browse-courses-link i {
    font-size: 14px;
}

/* Responsive: Tablet */
@media (max-width: 768px) {
    .categories-menu-expanded {
        min-width: 320px;
        max-width: 360px;
        right: -60px;
    }

    .categories-grid-expanded {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-xs);
        padding: var(--space-sm);
    }

    .categories-grid-expanded .category-item {
        min-height: 70px;
        padding: var(--space-sm);
    }

    .categories-grid-expanded .category-item i {
        font-size: 20px;
    }

    .categories-grid-expanded .category-item span {
        font-size: 11px;
    }

    .categories-menu-expanded .categories-footer {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .categories-menu-expanded .view-all-link,
    .categories-menu-expanded .browse-courses-link {
        width: 100%;
        justify-content: center;
    }
}

/* Responsive: Mobile */
@media (max-width: 480px) {
    .categories-menu-expanded {
        position: fixed !important;
        left: 0 !important;
        right: 0 !important;
        top: calc(100% + var(--space-sm)) !important;
        width: 100% !important;
        max-width: none !important;
        min-width: auto !important;
        border-radius: 0 !important;
        max-height: 80vh;
        overflow-y: auto;
    }

    .categories-grid-expanded {
        grid-template-columns: repeat(2, 1fr);
    }

    .dropdown-menu {
        position: fixed !important;
        left: 0 !important;
        right: 0 !important;
        top: auto !important;
        bottom: 0 !important;
        width: 100% !important;
        max-width: none !important;
        border-radius: 16px 16px 0 0 !important;
        max-height: 80vh !important;
        overflow-y: auto;
    }
}

/* Generic dropdown trigger (for non-categories dropdowns) */
.dropdown-trigger:not(.categories-trigger) {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: none;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    font-family: var(--font-family);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dropdown-trigger:not(.categories-trigger):hover {
    background-color: var(--bg-hover);
    color: var(--primary-color);
}

.dropdown-trigger:not(.categories-trigger)[aria-expanded="true"] {
    background-color: var(--bg-hover);
    border-color: var(--border-light);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-sm));
    right: 0;
    /* Align to right for actions section */
    left: auto;
    min-width: 280px;
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-normal);
}

.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-base);
    transition: background-color var(--transition-fast);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.dropdown-item:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.dropdown-item:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.dropdown-item:hover {
    background-color: var(--bg-hover);
    color: var(--primary-color);
    text-decoration: none;
}

.dropdown-item:focus {
    outline: none;
    background-color: var(--bg-hover);
}

.dropdown-item i {
    width: 16px;
    text-align: center;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.dropdown-item:hover i {
    color: var(--primary-color);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-light);
    border: none;
    margin: var(--space-sm) 0;
}

/* Teach Link */
.nav-link {
    padding: var(--space-md) var(--space-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover {
    background-color: var(--bg-hover);
    color: var(--primary-color);
    text-decoration: none;
}

/* ===== ACTIONS SECTION ===== */
.header-actions-section {
    grid-area: actions;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    justify-self: end;
    gap: var(--space-md);
    min-width: 0;
    flex-wrap: nowrap;

    /* Ensure perfect alignment */
    height: 100%;
}

/* Admin Button */
.admin-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: linear-gradient(135deg, #dc3545, #c82333);
    color: white;
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.admin-btn:hover {
    background: linear-gradient(135deg, #c82333, #bd2130);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: white;
    text-decoration: none;
}

.admin-btn:focus {
    outline: 2px solid rgba(220, 53, 69, 0.3);
    outline-offset: 2px;
}

.admin-text {
    font-weight: var(--font-weight-semibold);
}

/* Admin Console Container */
.admin-console-container {
    position: relative;
    display: flex;
    align-items: center;
}

.admin-console-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: linear-gradient(135deg, #dc3545, #c82333);
    color: white;
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
    cursor: pointer;
}

.admin-console-trigger:hover {
    background: linear-gradient(135deg, #c82333, #bd2130);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: white;
}

.admin-console-trigger[aria-expanded="true"] {
    background: linear-gradient(135deg, #c82333, #bd2130);
    transform: translateY(-1px);
}

.admin-console-trigger:focus-visible {
    outline: 2px solid rgba(220, 53, 69, 0.3);
    outline-offset: 2px;
}

.admin-chevron {
    font-size: var(--font-size-xs);
    transition: transform var(--transition-fast);
}

.admin-console-trigger[aria-expanded="true"] .admin-chevron {
    transform: rotate(180deg);
}

/* Admin Console Dropdown - IMPROVED POSITIONING */
.admin-console-dropdown {
    position: absolute;
    top: calc(100% + var(--space-sm));
    right: 0;
    min-width: 220px;
    max-width: 300px;
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-sm) 0;
    z-index: 1050;
    /* Higher z-index to prevent overlap */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);

    /* Ensure dropdown stays within viewport and prevents overflow */
    box-sizing: border-box;
    max-height: 70vh;
    overflow-y: auto;

    /* Prevent dropdown from being cut off */
    margin-right: 0;
    margin-left: auto;
}

/* Prevent dropdown from going off-screen on small devices */
@media (max-width: 480px) {
    .admin-console-dropdown {
        right: -10px;
        left: auto;
        min-width: 180px;
        max-width: calc(100vw - 20px);
    }
}

.admin-console-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.admin-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.admin-dropdown-item:hover {
    background: var(--bg-hover);
    color: #dc3545;
    text-decoration: none;
    transform: translateX(2px);
}

.admin-dropdown-item i {
    width: 16px;
    color: inherit;
    flex-shrink: 0;
}

.admin-dropdown-divider {
    height: 1px;
    background: var(--border-light);
    margin: var(--space-sm) 0;
    border: none;
}

/* Cart Button */
.cart-btn {
    position: relative;
    padding: var(--space-md);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.cart-btn:hover {
    background-color: var(--bg-hover);
    color: var(--primary-color);
    text-decoration: none;
}

.cart-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background-color: #dc3545;
    color: white;
    font-size: 12px;
    font-weight: var(--font-weight-semibold);
    min-width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* User Menu */
.user-menu-container {
    position: relative;
    flex-shrink: 0;
    min-width: 0;
    /* Prevent overflow */
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm);
    background: none;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu-trigger:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-light);
}

.user-menu-trigger[aria-expanded="true"] {
    background-color: var(--bg-hover);
    border-color: var(--border-light);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background-color: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-initials {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
}

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

.user-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + var(--space-sm));
    right: 0;
    min-width: 220px;
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-normal);
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.logout-btn {
    color: #dc3545 !important;
}

.logout-btn i {
    color: #dc3545 !important;
}

.logout-btn:hover {
    background-color: rgba(220, 53, 69, 0.1) !important;
    color: #c82333 !important;
}

.logout-btn:hover i {
    color: #c82333 !important;
}

/* ===================================
   EXPANDED USER DROPDOWN MENU (v2.1.0)
   Role-based admin/instructor/user menu
   =================================== */

.user-dropdown-expanded {
    min-width: 280px;
    max-height: 85vh;
    overflow-y: auto;
    padding: var(--space-sm) 0;
}

/* Scrollbar styling for expanded menu */
.user-dropdown-expanded::-webkit-scrollbar {
    width: 6px;
}

.user-dropdown-expanded::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 3px;
}

.user-dropdown-expanded::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

.user-dropdown-expanded::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Dropdown Section */
.dropdown-section {
    padding: var(--space-xs) 0;
}

.dropdown-section-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
}

.dropdown-section-title i {
    font-size: 12px;
    opacity: 0.7;
}

/* Admin section title color */
.dropdown-section-title .fa-shield-alt {
    color: #6C3CE1;
    /* Indigo for admin */
}

/* Instructor section title color */
.dropdown-section-title .fa-chalkboard {
    color: #6C3CE1;
    /* Purple for instructor */
}

/* User section title color */
.dropdown-section-title .fa-user-circle {
    color: #0ea5e9;
    /* Sky blue for user */
}

/* Dropdown Item Styling */
.user-dropdown-expanded .dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    background-color: transparent;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: 0;
    margin: 0;
}

/* FIXED: Allow inline style colors to display properly (v2.1.0-dev) */
.user-dropdown-expanded .dropdown-item i {
    width: 20px;
    text-align: center;
    font-size: 14px;
    /* Removed color: var(--text-secondary) to allow inline style colors */
    transition: transform var(--transition-fast), filter var(--transition-fast);
}

/* Keep icon colors on hover - subtle brightness instead of color change */
.user-dropdown-expanded .dropdown-item:hover i {
    filter: brightness(1.1);
    transform: scale(1.1);
}

.user-dropdown-expanded .dropdown-item:hover {
    background-color: var(--bg-hover);
    /* Keep text readable but don't override icon colors */
}

/* Admin section hover - subtle indigo background, keep icon colors */
.dropdown-section.admin-section .dropdown-item:hover {
    background-color: rgba(99, 102, 241, 0.08);
}

/* Instructor section hover - subtle purple background, keep icon colors */
.dropdown-section:has(.fa-chalkboard) .dropdown-item:hover {
    background-color: rgba(139, 92, 246, 0.08);
}

/* Dropdown Divider */
.user-dropdown-expanded .dropdown-divider {
    margin: var(--space-xs) var(--space-md);
    border: none;
    border-top: 1px solid var(--border-light);
}

/* ===================================
   ADMIN MENU GROUP STYLING (v2.1.0-dev)
   Professional grouped menu items
   =================================== */

/* Menu Group Container */
.admin-menu-group {
    padding: var(--space-xs) 0;
}

/* Menu Group Header - Small subtle label */
.admin-menu-group-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-light);
    margin-top: var(--space-xs);
}

.admin-menu-group-header i {
    font-size: 10px;
    opacity: 0.7;
}

/* Group Separator Line */
.admin-menu-separator {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-light), transparent);
    margin: var(--space-sm) var(--space-md);
}

/* Admin Item with Icon Badge */
.admin-item-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    margin-right: var(--space-sm);
    font-size: 13px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.dropdown-item:hover .admin-item-badge {
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Badge color variants */
.admin-item-badge.badge-indigo {
    background: linear-gradient(135deg, #6C3CE1, #6C3CE1);
    color: white;
}

.admin-item-badge.badge-green {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.admin-item-badge.badge-blue {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
}

.admin-item-badge.badge-purple {
    background: linear-gradient(135deg, #6C3CE1, #5a2dc7);
    color: white;
}

.admin-item-badge.badge-amber {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.admin-item-badge.badge-red {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.admin-item-badge.badge-cyan {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
    color: white;
}

.admin-item-badge.badge-orange {
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: white;
}

.admin-item-badge.badge-violet {
    background: linear-gradient(135deg, #6C3CE1, #6C3CE1);
    color: white;
}

.admin-item-badge.badge-gray {
    background: linear-gradient(135deg, #64748b, #475569);
    color: white;
}

.admin-item-badge.badge-lime {
    background: linear-gradient(135deg, #84cc16, #65a30d);
    color: white;
}

.admin-item-badge.badge-sky {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    color: white;
}

.admin-item-badge.badge-rose {
    background: linear-gradient(135deg, #f43f5e, #e11d48);
    color: white;
}

.admin-item-badge.badge-teal {
    background: linear-gradient(135deg, #14b8a6, #0d9488);
    color: white;
}

.admin-item-badge.badge-stone {
    background: linear-gradient(135deg, #78716c, #57534e);
    color: white;
}

/* Responsive adjustments for expanded menu */
@media (max-width: 768px) {
    .user-dropdown-expanded {
        min-width: 260px;
        max-height: 70vh;
        right: -10px;
    }

    .dropdown-section-title {
        font-size: 10px;
        padding: var(--space-xs) var(--space-sm);
    }

    .user-dropdown-expanded .dropdown-item {
        padding: var(--space-sm) var(--space-sm);
        font-size: 13px;
    }

    .user-dropdown-expanded .dropdown-item i {
        width: 18px;
        font-size: 13px;
    }
}

/* ===================================
   AUTH BUTTONS - ENHANCED (v2.1.0-dev)
   Modern styling for Login/SignUp
   =================================== */

/* Auth Buttons Container */
.auth-buttons {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-subtle);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    font-family: var(--font-family);
    line-height: 1;
    text-decoration: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

/* Login Button - Outline style with hover effect */
.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border-color: transparent;
}

.btn-outline:hover {
    background-color: var(--bg-hover);
    color: var(--primary-color);
    text-decoration: none;
    transform: translateY(-1px);
}

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

/* Sign Up Button - Primary gradient style */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(108, 60, 225, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, #991b1b 100%);
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(108, 60, 225, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(108, 60, 225, 0.2);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    padding: var(--space-md);
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background-color: var(--bg-hover);
    color: var(--primary-color);
}

/* ===== MOBILE MENU ===== */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.mobile-menu-overlay.show {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 350px;
    height: 100vh;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
}

.mobile-menu-overlay.show .mobile-menu-content {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border-light);
}

.mobile-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: var(--font-weight-bold);
    font-size: 18px;
}

.mobile-logo img {
    height: 24px;
    margin-right: var(--space-sm);
}

.mobile-close-btn {
    padding: var(--space-sm);
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-close-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.mobile-search {
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border-light);
}

.mobile-search .search-input-wrapper {
    position: relative;
    width: 100%;
}

.mobile-search .search-input {
    padding-right: 50px;
}

.mobile-search-btn {
    position: absolute;
    right: var(--space-xs);
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    background: var(--primary-color);
    border: none;
    color: white;
    cursor: pointer;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.mobile-search-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-50%) scale(1.05);
}

.mobile-nav {
    padding: var(--space-xl);
}

.mobile-user-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-xl);
}

.mobile-user-info .user-avatar {
    width: 48px;
    height: 48px;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-base);
    border-bottom: 1px solid var(--border-light);
    transition: color var(--transition-fast);
    background: none;
    border-left: none;
    border-right: none;
    border-top: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.mobile-nav-item:last-child {
    border-bottom: none;
}

.mobile-nav-item:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.mobile-nav-item i {
    width: 20px;
    color: var(--text-secondary);
}

.mobile-nav-divider {
    height: 1px;
    background-color: var(--border-light);
    margin: var(--space-xl) 0;
}

.mobile-nav-section {
    margin-bottom: var(--space-xl);
}

.mobile-nav-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-lg);
}

.user-email {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    word-break: break-word;
}

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

/* Large Desktops - Optimize for wide screens */
@media (min-width: 1400px) {
    .main-header-container {
        max-width: 1400px;
        padding: 0 var(--space-2xl);
    }

    .header-search-section {
        max-width: 500px;
        margin: 0 var(--space-2xl);
    }

    .categories-menu {
        min-width: 600px;
    }
}

/* Large Tablets and Small Desktops */
@media (max-width: 1024px) and (min-width: 769px) {
    :root {
        --header-height: 68px;
    }

    .main-header-container {
        padding: 0 var(--space-lg);
        gap: var(--space-lg);
        grid-template-columns: minmax(180px, auto) 1fr minmax(280px, auto);
        align-items: center;
        align-content: center;
    }

    .header-search-section {
        max-width: 280px;
        min-width: 180px;
    }

    .header-actions-section {
        gap: var(--space-md);
        align-items: center;
        height: 100%;
    }

    /* Adjust categories menu for tablets */
    .categories-menu {
        min-width: 480px;
        max-width: 520px;
        right: 0;
        /* Align dropdown to right edge */
        left: auto;
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xs);
    }
}

/* ===== MOBILE & TABLET LAYOUT - WOW UX OPTIMIZATION ===== */
/* Tablet Layout (769px - 1024px) - Already handled above */

/* ===== MOBILE LAYOUT (≤768px) - COMPLETE UX OVERHAUL ===== */
@media (max-width: 768px) {

    /* ========== HEADER SIZE & STRUCTURE ========== */
    :root {
        --header-height: 56px;
        /* Ridotto per massimizzare area contenuto */
        --mobile-touch-min: 44px;
        /* Standard Apple/Google per touch target */
    }

    /* Main header - STICKY GARANTITO */
    .main-header {
        position: sticky !important;
        top: 0 !important;
        z-index: 10001 !important;
        background-color: rgba(255, 255, 255, 0.98) !important;
        backdrop-filter: blur(12px) saturate(180%);
        -webkit-backdrop-filter: blur(12px) saturate(180%);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);

        /* Smooth sticky behavior */
        /* NO transform - breaks sticky! Use will-change instead */
        will-change: box-shadow;
        transition: box-shadow 200ms ease-out;
    }

    /* Enhanced shadow on scroll (optional JS trigger) */
    .main-header.scrolled {
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12) !important;
    }

    /* Header Container - COMPACT & EFFICIENT */
    .main-header-container {
        /* 3-column grid ottimizzato: logo | spacer | actions */
        grid-template-columns: minmax(120px, auto) 1fr auto;
        grid-template-areas: "logo . mobile-actions";

        /* Spacing minimo ma ergonomico */
        padding: 0 12px;
        /* Ridotto da 16px */
        gap: 8px;
        /* Ridotto da 12px */
        height: var(--header-height);

        /* Perfect alignment */
        align-items: center;
        align-content: center;

        /* Performance */
        contain: layout style;
        min-width: 0;
        width: 100%;
        box-sizing: border-box;
    }

    /* ========== LOGO SECTION - COMPACT ========== */
    .header-logo-section {
        grid-area: logo;
        justify-self: start;
        min-width: 0;
    }

    .logo-link {
        display: flex;
        align-items: center;
        padding: 6px 0;
        gap: 8px;

        /* Fast tap response */
        -webkit-tap-highlight-color: rgba(108, 60, 225, 0.1);
        transition: opacity 100ms ease-out;
    }

    .logo-link:active {
        opacity: 0.7;
        transform: scale(0.98);
    }

    .logo-image {
        height: 32px;
        /* Ridotto da 36px */
        width: auto;
        margin-right: 6px;
    }

    .logo-text {
        font-size: 16px;
        /* Leggermente ridotto */
        font-weight: 700;
        white-space: nowrap;
    }

    /* ========== SEARCH SECTION - NASCOSTO SU MOBILE ========== */
    .header-search-section {
        display: none !important;
    }

    /* ========== ACTIONS SECTION - TOUCH-OPTIMIZED ========== */
    .header-actions-section {
        grid-area: mobile-actions;
        display: flex;
        align-items: center;
        justify-content: flex-end;
        justify-self: end;
        gap: 6px;
        /* Ridotto per risparmiare spazio */
        height: 100%;
        flex-wrap: nowrap;
    }

    /* ========== HIDE DESKTOP-ONLY ELEMENTS ========== */
    .desktop-only,
    .nav-link,
    .nav-dropdown,
    .categories-trigger {
        display: none !important;
    }

    /* ========== USER MENU - COMPACT ========== */
    .user-menu-container {
        position: relative;
    }

    .user-menu-trigger {
        padding: 4px;
        min-width: var(--mobile-touch-min);
        min-height: var(--mobile-touch-min);
        gap: 6px;
        border-radius: 8px;

        /* Fast tap feedback */
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.05);
        transition: background-color 100ms ease-out, transform 100ms ease-out;
    }

    .user-menu-trigger:active {
        background-color: var(--bg-hover);
        transform: scale(0.96);
    }

    /* Hide user text info on mobile */
    .user-info {
        display: none;
    }

    .user-avatar {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        border: 2px solid var(--border-light);
    }

    /* User dropdown - Mobile optimized */
    .user-dropdown {
        position: fixed;
        top: calc(var(--header-height) + 4px);
        right: 12px;
        left: auto;
        min-width: 240px;
        max-width: calc(100vw - 24px);
        border-radius: 12px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    }

    /* ========== ADMIN CONSOLE - COMPACT ========== */
    .admin-console-container {
        position: relative;
    }

    .admin-console-trigger {
        padding: 0;
        min-width: var(--mobile-touch-min);
        min-height: var(--mobile-touch-min);
        justify-content: center;
        border-radius: 8px;

        /* Fast tap feedback */
        -webkit-tap-highlight-color: rgba(108, 60, 225, 0.1);
        transition: transform 100ms ease-out;
    }

    .admin-console-trigger:active {
        transform: scale(0.96);
    }

    /* Hide admin text label */
    .admin-text,
    .admin-console-trigger .admin-text {
        display: none;
    }

    .admin-chevron {
        margin-left: 0;
    }

    /* Admin dropdown - Mobile optimized */
    .admin-console-dropdown {
        position: fixed;
        top: calc(var(--header-height) + 4px);
        right: 12px;
        left: auto;
        min-width: 220px;
        max-width: calc(100vw - 24px);
        border-radius: 12px;
    }

    /* ========== CART BUTTON - TOUCH OPTIMIZED ========== */
    .cart-btn {
        padding: 0;
        min-width: var(--mobile-touch-min);
        min-height: var(--mobile-touch-min);
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 8px;

        /* Fast tap feedback */
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.05);
        transition: background-color 100ms ease-out, transform 100ms ease-out;
    }

    .cart-btn:active {
        background-color: var(--bg-hover);
        transform: scale(0.96);
    }

    .cart-badge {
        top: 6px;
        right: 6px;
        min-width: 18px;
        height: 18px;
        font-size: 11px;
        font-weight: 700;
    }

    /* ========== AUTH BUTTONS - VERTICAL STACK ========== */
    .auth-buttons {
        display: flex;
        flex-direction: row;
        /* Mantieni orizzontale ma compatto */
        gap: 6px;
        align-items: center;
    }

    .auth-buttons .btn {
        /* Touch-friendly size */
        min-height: var(--mobile-touch-min);
        padding: 0 14px;
        font-size: 14px;
        font-weight: 600;
        border-radius: 8px;
        white-space: nowrap;

        /* Fast tap feedback */
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.05);
        transition: transform 100ms ease-out, background-color 150ms ease-out;
    }

    .auth-buttons .btn:active {
        transform: scale(0.96);
    }

    /* Simplified button labels on mobile */
    .auth-buttons .btn-outline {
        padding: 0 12px;
    }

    .auth-buttons .btn-primary {
        padding: 0 16px;
    }

    /* ========== MOBILE MENU TOGGLE - ENHANCED ========== */
    .mobile-menu-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
        min-width: var(--mobile-touch-min);
        min-height: var(--mobile-touch-min);
        padding: 0;
        margin-left: 4px;
        border-radius: 8px;
        font-size: 22px;

        /* Fast tap feedback */
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.05);
        transition: background-color 100ms ease-out, transform 100ms ease-out;
    }

    .mobile-menu-toggle:active {
        background-color: var(--bg-hover);
        transform: scale(0.96);
    }

    /* Hamburger icon animation (if using icon font) */
    .mobile-menu-toggle i {
        transition: transform 200ms ease-out;
    }

    .mobile-menu-toggle[aria-expanded="true"] i {
        transform: rotate(90deg);
    }

    /* ========== MOBILE MENU OVERLAY - MODERN SLIDE-IN ========== */
    .mobile-menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.4);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 10000;
        opacity: 0;
        visibility: hidden;
        transition: opacity 250ms ease-out, visibility 250ms ease-out;

        /* Performance */
        will-change: opacity;
        /* NO transform - can affect sticky positioning */
    }

    .mobile-menu-overlay.show {
        opacity: 1;
        visibility: visible;
    }

    /* Mobile menu content - Full height slide */
    .mobile-menu-content {
        position: fixed;
        top: 0;
        right: 0;
        width: 85%;
        max-width: 360px;
        height: 100vh;
        background-color: var(--bg-white);
        box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
        transform: translateX(100%);
        transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;

        /* Performance */
        will-change: transform;
        backface-visibility: hidden;
    }

    .mobile-menu-overlay.show .mobile-menu-content {
        transform: translateX(0);
    }

    /* Mobile menu header */
    .mobile-menu-header {
        position: sticky;
        top: 0;
        background-color: var(--bg-white);
        border-bottom: 1px solid var(--border-light);
        padding: 16px;
        z-index: 1;
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: var(--header-height);
    }

    .mobile-close-btn {
        min-width: 44px;
        min-height: 44px;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
        font-size: 20px;

        /* Fast tap feedback */
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.05);
        transition: background-color 100ms ease-out;
    }

    .mobile-close-btn:active {
        background-color: var(--bg-hover);
    }

    /* Mobile search section */
    .mobile-search {
        padding: 16px;
        border-bottom: 1px solid var(--border-light);
    }

    .mobile-search .search-input {
        width: 100%;
        height: 44px;
        font-size: 16px;
        /* Previene zoom iOS */
        border-radius: 10px;
    }

    .mobile-search-btn {
        right: 6px;
        width: 36px;
        height: 36px;
        border-radius: 8px;
    }

    /* Mobile nav items - Touch optimized */
    .mobile-nav {
        padding: 8px 16px 24px;
    }

    .mobile-nav-item {
        min-height: 52px;
        padding: 14px 0;
        font-size: 16px;
        gap: 12px;

        /* Fast tap feedback */
        -webkit-tap-highlight-color: rgba(108, 60, 225, 0.05);
        transition: color 150ms ease-out;
    }

    .mobile-nav-item:active {
        color: var(--primary-color);
        background-color: rgba(108, 60, 225, 0.03);
    }

    .mobile-nav-item i {
        font-size: 18px;
    }

    /* ========== PERFORMANCE OPTIMIZATIONS ========== */

    /* GPU acceleration for smooth animations */
    .main-header,
    .mobile-menu-overlay,
    .mobile-menu-content,
    .user-dropdown,
    .admin-console-dropdown {
        /* NO transform - can affect sticky positioning */
        will-change: opacity;
    }

    /* Disable animations if user prefers reduced motion */
    @media (prefers-reduced-motion: reduce) {

        .main-header,
        .mobile-menu-overlay,
        .mobile-menu-content,
        .mobile-menu-toggle i,
        .user-dropdown,
        .admin-console-dropdown {
            transition-duration: 0.01ms !important;
        }
    }

    /* ========== LANDSCAPE MODE ADJUSTMENTS ========== */
    @media (orientation: landscape) and (max-height: 500px) {
        :root {
            --header-height: 48px;
            /* Ultra-compact in landscape */
        }

        .logo-image {
            height: 28px;
        }

        .mobile-menu-content {
            width: 50%;
        }
    }
}

/* ===== EXTRA SMALL MOBILE DEVICES (≤480px) - ULTRA-COMPACT ===== */
@media (max-width: 480px) {
    :root {
        --header-height: 52px;
        /* Ultra-compact */
        --mobile-touch-min: 44px;
    }

    /* Header container - Ultra minimal */
    .main-header-container {
        padding: 0 10px;
        gap: 6px;
        height: var(--header-height);
    }

    /* ========== LOGO - ICON ONLY ========== */
    .logo-text {
        display: none;
        /* Solo icona su schermi molto piccoli */
    }

    .logo-image {
        height: 30px;
        margin-right: 0;
    }

    .logo-link {
        padding: 4px;
    }

    /* ========== ACTIONS - ULTRA COMPACT ========== */
    .header-actions-section {
        gap: 4px;
    }

    /* ========== AUTH BUTTONS - MINIMAL ========== */
    .auth-buttons {
        gap: 4px;
    }

    .auth-buttons .btn {
        min-height: var(--mobile-touch-min);
        padding: 0 10px;
        font-size: 13px;
    }

    .auth-buttons .btn-outline {
        padding: 0 8px;
    }

    /* Simplified text for login */
    .auth-buttons .btn span {
        display: none;
    }

    .auth-buttons .btn::after {
        content: attr(data-short-text);
    }

    /* ========== USER AVATAR - SMALLER ========== */
    .user-avatar {
        width: 32px;
        height: 32px;
    }

    .user-menu-trigger {
        padding: 2px;
        min-width: 40px;
        min-height: 40px;
    }

    /* ========== ADMIN BUTTON - ICON ONLY ========== */
    .admin-console-trigger {
        min-width: 40px;
        min-height: 40px;
    }

    /* ========== CART BUTTON - COMPACT ========== */
    .cart-btn {
        min-width: 40px;
        min-height: 40px;
    }

    .cart-badge {
        top: 4px;
        right: 4px;
        min-width: 16px;
        height: 16px;
        font-size: 10px;
    }

    /* ========== MOBILE MENU - FULL SCREEN ========== */
    .mobile-menu-content {
        width: 100%;
        max-width: 100%;
    }

    .mobile-menu-toggle {
        min-width: 40px;
        min-height: 40px;
        margin-left: 2px;
        font-size: 20px;
    }

    /* ========== DROPDOWNS - FULL WIDTH ========== */
    .user-dropdown,
    .admin-console-dropdown {
        position: fixed;
        top: calc(var(--header-height) + 4px);
        left: 8px;
        right: 8px;
        min-width: auto;
        max-width: calc(100vw - 16px);
    }

    /* ========== CATEGORIES MENU - FULL SCREEN ========== */
    .categories-menu {
        position: fixed !important;
        top: var(--header-height) !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        min-width: unset !important;
        max-width: unset !important;
        border-radius: 0 !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15) !important;
        max-height: calc(100vh - var(--header-height));
    }

    .categories-grid {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 12px;
    }

    .categories-header {
        padding: 14px;
    }

    .categories-title {
        font-size: 16px;
    }

    .categories-subtitle {
        font-size: 13px;
    }

    .category-item {
        padding: 12px;
    }

    .category-icon-wrapper {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .category-name {
        font-size: 15px;
    }

    .category-count {
        font-size: 12px;
    }

    /* ========== MOBILE NAV - COMPACT ========== */
    .mobile-nav-item {
        min-height: 48px;
        padding: 12px 0;
        font-size: 15px;
    }

    .mobile-nav-item i {
        font-size: 16px;
    }

    /* ========== MOBILE SEARCH - OPTIMIZED ========== */
    .mobile-search {
        padding: 12px;
    }

    .mobile-search .search-input {
        height: 42px;
    }
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */

/* ===== ENHANCED ACCESSIBILITY & WCAG COMPLIANCE ===== */

/* Focus Indicators - WCAG 2.1 AA Compliant */
.dropdown-trigger:focus-visible,
.categories-trigger:focus-visible,
.nav-link:focus-visible,
.admin-console-trigger:focus-visible,
.cart-btn:focus-visible,
.user-menu-trigger:focus-visible,
.btn:focus-visible,
.mobile-menu-toggle:focus-visible,
.category-item:focus-visible,
.view-all-btn:focus-visible,
.mobile-search-btn:focus-visible,
.breadcrumb-link:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 2px rgba(108, 60, 225, 0.2);

    /* Ensure minimum 3:1 contrast ratio */
    background-color: rgba(108, 60, 225, 0.1);
}

.search-input:focus-visible {
    outline: none;
    /* Custom focus already handled */
}

/* Enhanced dropdown focus management */
.dropdown-item:focus-visible {
    outline: none;
    background-color: var(--bg-hover);
    color: var(--primary-color);
    box-shadow: inset 3px 0 0 var(--primary-color);
}

/* WCAG-Compliant Skip Link Implementation */
.skip-link {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary-color);
    color: white;
    padding: 12px 20px;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    z-index: 10001;

    /* Hide visually but keep accessible to screen readers */
    clip-path: inset(50%);
    height: 1px;
    width: 1px;
    overflow: hidden;

    transition: all 0.2s ease-in-out;
}

.skip-link:focus {
    /* Show on focus with proper positioning */
    clip-path: none;
    height: auto;
    width: auto;
    overflow: visible;

    /* Enhanced focus styling */
    outline: 3px solid white;
    outline-offset: 2px;
}

/* Enhanced Keyboard Navigation Support */
.keyboard-navigation *:focus {
    outline: 3px solid var(--primary-color) !important;
    outline-offset: 2px !important;
}

/* Focus management for dropdowns */
[role="menu"] [role="menuitem"]:focus,
[role="menu"] a:focus {
    background-color: var(--bg-hover);
    color: var(--primary-color);
    outline: 2px solid var(--primary-color);
    outline-offset: -2px;
}

/* Ensure tab order is logical */
.main-header-container {
    /* Use CSS order to maintain logical tab sequence */
}

.header-logo-section {
    order: 1;
}

.header-search-section {
    order: 2;
}

.header-actions-section {
    order: 3;
}

.mobile-menu-toggle {
    order: 4;
}

/* Skip link enhancements */
.skip-link:focus {
    /* Ensure skip link is highly visible */
    background: var(--primary-color);
    color: white;
    font-weight: var(--font-weight-bold);
    z-index: 99999;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* ARIA live regions for screen readers */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* High Contrast Mode Support - WCAG AAA */
@media (prefers-contrast: high) {
    :root {
        /* Increase contrast ratios */
        --text-primary: #000000;
        --text-secondary: #333333;
        --border-light: #666666;
    }

    .main-header-container {
        border-bottom-width: 3px;
        border-bottom-color: #000000;
    }

    .categories-trigger,
    .dropdown-trigger,
    .admin-console-trigger,
    .user-menu-trigger {
        border-width: 3px;
        border-color: #000000;
    }

    .categories-menu,
    .dropdown-menu,
    .user-dropdown,
    .admin-console-dropdown {
        border-width: 3px;
        border-color: #000000;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    }

    .category-item,
    .dropdown-item,
    .admin-dropdown-item {
        border: 2px solid transparent;
    }

    .category-item:hover,
    .category-item:focus,
    .dropdown-item:hover,
    .dropdown-item:focus,
    .admin-dropdown-item:hover,
    .admin-dropdown-item:focus {
        border-color: var(--primary-color);
        background-color: #ffffff;
        color: #000000;
    }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */

/* GPU acceleration for smooth animations */
.categories-trigger,
.dropdown-menu,
.categories-menu,
.user-dropdown,
.category-item,
.mobile-menu-overlay,
.mobile-menu-content {
    will-change: transform, opacity;
}

/* Contain layout changes */
.main-header-container {
    contain: layout style;
}

.categories-menu,
.user-dropdown {
    contain: layout style paint;
}

/* Optimize rendering */
.category-icon-wrapper,
.user-avatar,
.logo-image {
    image-rendering: optimizeQuality;
}

/* Reduced Motion Support - Accessibility First */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        transition-delay: 0ms !important;
        scroll-behavior: auto !important;
    }

    /* Remove decorative animations */
    .categories-trigger::before,
    .category-item::before {
        display: none;
    }

    /* Keep essential state changes visible */
    .dropdown-menu.show,
    .categories-menu.show,
    .user-dropdown.show {
        opacity: 1;
        visibility: visible;
        transform: none;
    }
}

/* Color Blind Accessibility */
@media (prefers-color-scheme: no-preference) {

    /* Use patterns and shapes in addition to color */
    .cart-badge::after {
        content: '';
        position: absolute;
        top: -2px;
        right: -2px;
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: white;
    }
}

/* ===== ADMIN CONFLICT PROTECTION ===== */

/* CRITICAL FIX: Prevent admin dashboard from overriding main header */
.admin-dashboard .main-header-container,
body .main-header-container,
html .main-header-container,
[class*="admin"] .main-header-container,
.admin-page .main-header-container,
.admin-layout .main-header-container,
.blazor-error-ui~* .main-header-container {
    position: sticky !important;
    top: 0 !important;
    z-index: 10001 !important;
    /* Higher z-index to override admin conflicts */
    height: var(--header-height) !important;
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    display: grid !important;
    grid-template-columns: auto 1fr auto !important;
    grid-template-areas: "logo search actions" !important;
    align-items: center !important;
    padding: 0 var(--space-xl) !important;
    box-shadow: var(--shadow-sm) !important;
    border-bottom: 1px solid var(--border-light) !important;
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    overflow: visible !important;
    font-family: var(--font-family) !important;
}

/* Ensure main header stays visible in all admin pages */
.admin-dashboard .main-header,
.admin-dashboard header,
[class*="admin"] .main-header,
[class*="admin"] header,
.admin-page .main-header,
.admin-layout header {
    display: block !important;
    position: relative !important;
    z-index: 10001 !important;
    width: 100% !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* CRITICAL: Force header components to remain visible and functional */
.admin-dashboard .header-logo-section,
.admin-dashboard .header-search-section,
.admin-dashboard .header-actions-section,
[class*="admin"] .header-logo-section,
[class*="admin"] .header-search-section,
[class*="admin"] .header-actions-section,
.admin-page .header-logo-section,
.admin-page .header-search-section,
.admin-page .header-actions-section {
    display: flex !important;
    align-items: center !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: relative !important;
    z-index: inherit !important;
}

/* Force search input to remain functional */
.admin-dashboard .search-input,
[class*="admin"] .search-input,
.admin-page .search-input {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%236b7280' viewBox='0 0 24 24'%3E%3Cpath d='M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z' stroke='%236b7280' stroke-width='1.5' fill='none'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: calc(100% - 16px) center !important;
    background-size: 20px 20px !important;
    padding: 0 56px 0 16px !important;
}

/* Prevent any admin styles from destroying header layout */
.admin-dashboard .main-header-container *,
[class*="admin"] .main-header-container * {
    font-family: var(--font-family) !important;
}

/* Prevent admin header from interfering */
.admin-dashboard .admin-header,
[class*="admin"] .admin-header {
    position: static !important;
    top: auto !important;
    margin-top: 0 !important;
}

/* Fix dashboard content positioning to account for sticky header */
.admin-dashboard,
[class*="admin-page"] {
    padding-top: 0 !important;
    margin-top: 0 !important;
}

/* Ensure header components maintain structure in admin pages */
.admin-dashboard .header-logo-section,
.admin-dashboard .header-search-section,
.admin-dashboard .header-actions-section,
[class*="admin"] .header-logo-section,
[class*="admin"] .header-search-section,
[class*="admin"] .header-actions-section {
    display: flex !important;
    align-items: center !important;
}

/* Force unified header grid layout preservation on desktop */
@media (min-width: 769px) {

    .admin-dashboard .main-header-container,
    [class*="admin"] .main-header-container {
        grid-template-columns: minmax(220px, auto) 1fr minmax(400px, auto) !important;
        grid-template-areas: "logo search actions" !important;
        gap: var(--space-2xl) !important;
        padding: 0 var(--space-2xl) !important;

        /* Ensure perfect alignment in admin pages */
        align-items: center !important;
        align-content: center !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .main-header-container {
        border-bottom-width: 2px;
    }

    .dropdown-menu,
    .user-dropdown {
        border-width: 2px;
    }

    .btn {
        border-width: 2px;
    }
}

/* Print styles */
/* ===== BREADCRUMB STYLES ===== */
.page-breadcrumb {
    margin-bottom: var(--space-lg);
    padding: 0;
}

.breadcrumb {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: var(--font-size-sm);
    background: none;
    border-radius: 0;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin: 0 var(--space-md);
    color: var(--text-light);
    font-weight: normal;
}

.breadcrumb-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

.breadcrumb-link:hover {
    color: var(--primary-color);
    text-decoration: none;
    background-color: var(--bg-hover);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Page Header Styles */
.page-header {
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-light);
}

.page-title h1 {
    margin: 0 0 var(--space-sm) 0;
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    line-height: 1.2;
}

.page-subtitle {
    margin: 0;
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

@media print {

    .mobile-menu-toggle,
    .mobile-menu-overlay {
        display: none !important;
    }
}

/* Dashboard Loader - Redis.io Inspired Design */
.dashboard-loader {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--bg-white);
    font-family: var(--font-family);
}

.dashboard-loader-content {
    width: 100%;
    max-width: 480px;
    text-align: center;
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    background-color: var(--bg-white);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.loader-spinner {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-2xl);
}

.spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

    100% {
        transform: rotate(360deg);
    }
}

.loader-title {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.loader-subtitle {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.5;
}

.loader-progress {
    margin-bottom: var(--space-lg);
}

.progress-track {
    width: 100%;
    height: 6px;
    background-color: var(--bg-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-indicator {
    width: 75%;
    height: 100%;
    background-color: var(--primary-color);
    border-radius: var(--radius-full);
    transition: width 0.5s ease-in-out;
}

.loader-hint {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    font-style: italic;
}

/* ADMIN CONFLICT PROTECTION - UNIFIED HEADER PROTECTION */
.admin-dashboard .main-header-container,
body.admin-page .main-header-container,
[class*="admin"] .main-header-container {
    position: sticky !important;
    top: 0 !important;
    z-index: 10001 !important;
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px) !important;
    display: grid !important;

    /* UNIFIED 3-COLUMN LAYOUT FOR ADMIN PAGES */
    grid-template-columns: minmax(200px, auto) 1fr minmax(300px, auto) !important;
    grid-template-areas: "logo search actions" !important;

    /* PERFECT VERTICAL ALIGNMENT */
    align-items: center !important;
    align-content: center !important;

    /* Maintain layout consistency */
    height: var(--header-height) !important;
    padding: 0 var(--space-xl) !important;
    gap: var(--space-xl) !important;
}

.admin-dashboard .header-logo-section,
.admin-dashboard .header-search-section,
.admin-dashboard .header-actions-section {
    display: flex !important;
    align-items: center !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* ========================================
   TABLET RESPONSIVE (769px - 1024px) - v2.4.7
   Date: 2026-02-04
   
   Fixes header overlap by:
   1. Switching from grid to flexbox
   2. Using relative units (%, em, rem) instead of fixed pixels
   3. Properly hiding/showing elements based on viewport
   ======================================== */

@media screen and (min-width: 769px) and (max-width: 1024px) {

    /* Switch to FLEXBOX layout for better responsiveness */
    .main-header-container {
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        align-items: center !important;
        justify-content: space-between !important;
        gap: 0.75rem !important;
        padding: 0 1rem !important;
        grid-template-columns: none !important;
        /* Override grid */
        grid-template-areas: none !important;
    }

    /* Logo section - flexible shrink */
    .header-logo-section {
        flex: 0 1 auto !important;
        max-width: 10rem !important;
        min-width: auto !important;
    }

    .logo-text {
        font-size: 0.9rem !important;
        white-space: nowrap !important;
    }

    .logo-image {
        height: 2rem !important;
    }

    /* Search section - flexible, can shrink significantly */
    .header-search-section {
        flex: 1 1 auto !important;
        min-width: 8rem !important;
        max-width: 14rem !important;
        order: 0 !important;
    }

    .search-input {
        width: 100% !important;
        max-width: 100% !important;
        font-size: 0.875rem !important;
        height: 2.25rem !important;
        padding: 0 2.5rem 0 0.75rem !important;
    }

    /* Actions section - contains categories, nav links, auth */
    .header-actions-section {
        flex: 0 1 auto !important;
        display: flex !important;
        align-items: center !important;
        gap: 0.5rem !important;
    }

    /* Categories dropdown - compact */
    .categories-trigger {
        padding: 0.4rem 0.6rem !important;
        font-size: 0.8rem !important;
        border-width: 1px !important;
    }

    .categories-trigger .dropdown-arrow {
        display: none !important;
        /* Hide arrow on tablet */
    }

    /* Navigation links - smaller */
    .nav-link,
    .header-nav-link {
        padding: 0.4rem 0.5rem !important;
        font-size: 0.8rem !important;
    }

    /* Auth buttons - compact */
    .auth-buttons {
        gap: 0.25rem !important;
        padding: 0 !important;
        background: transparent !important;
        border: none !important;
    }

    .auth-buttons .btn,
    .auth-buttons a.btn {
        padding: 0.4rem 0.6rem !important;
        font-size: 0.75rem !important;
        white-space: nowrap !important;
    }

    /* Hide button icons on tablet */
    .auth-buttons .btn i {
        display: none !important;
    }

    /* Categories menu - responsive */
    .categories-menu {
        width: min(90vw, 28rem) !important;
        left: auto !important;
        right: 0 !important;
        min-width: auto !important;
    }

    .categories-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.5rem !important;
    }
}

/* ===== SMALL TABLET (769px - 900px) - Use mobile-like layout ===== */
@media screen and (min-width: 769px) and (max-width: 900px) {

    /* Hide search and categories, show hamburger */
    .header-search-section,
    .categories-dropdown,
    .nav-dropdown.categories-dropdown {
        display: none !important;
    }

    /* Show mobile menu toggle */
    .mobile-menu-toggle {
        display: flex !important;
        visibility: visible !important;
        order: -1 !important;
        margin-right: auto !important;
    }

    /* Simple layout: hamburger | logo | auth */
    .main-header-container {
        gap: 0.5rem !important;
    }

    .header-logo-section {
        flex: 1 1 auto !important;
    }

    /* Nav links also hidden on small tablets */
    .nav-links,
    .header-nav-link:not(.logo-link) {
        display: none !important;
    }
}