/* ========================================
   Modern UI & Glassmorphism Components
   ======================================== */

/* --- Glass Effects --- */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

/* More opaque background for dropdowns to improve readability over content */
.user-dropdown.glass-panel {
    background: rgba(255, 255, 255, 0.95);
    /* High opacity white */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.glass-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

/* Fix contrast for elements inside glass header */
.glass-header .header-link,
.glass-header .cart-icon,
.glass-header .mobile-menu-btn,
.glass-header .user-menu-btn {
    color: var(--color-text-primary);
}

.glass-header .header-link:hover,
.glass-header .cart-icon:hover {
    background: rgba(193, 24, 29, 0.15); /* Primary red with opacity */
    color: var(--color-primary);
}

.glass-header .header-link.active {
    background: rgba(193, 24, 29, 0.2);
    color: var(--color-primary);
}

.glass-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-normal) var(--transition-timing);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--color-primary-light);
}

/* --- Modern Buttons --- */
.btn-modern {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.3px;
    box-shadow: 0 4px 6px rgba(37, 99, 235, 0.2);
    transition: all var(--transition-fast) var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.btn-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(193, 24, 29, 0.3);
    filter: brightness(110%);
}

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

/* --- Levitate Effect --- */
.hover-levitate {
    transition: transform var(--transition-normal) var(--transition-timing), box-shadow var(--transition-normal) var(--transition-timing);
}

.hover-levitate:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

/* --- Gradient Text --- */
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Hero Modern --- */
.hero-section-modern {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f0f9ff 0%, #dbeafe 100%);
    position: relative;
    overflow: hidden;
}

.hero-section-modern::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(193, 24, 29, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    top: -100px;
    right: -100px;
    border-radius: 50%;
    z-index: 0;
}

/* --- Scrollbar Customization --- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-neutral-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-neutral-400);
}

/* --- Animations --- */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0px);
    }
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

/* --- Input Improvements --- */
.input-modern {
    background: var(--color-surface);
    border: 2px solid transparent;
    /* Prepare for gradient border or focus */
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast) ease;
}

.input-modern:focus {
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    border-color: var(--color-primary-light);
    transform: scale(1.01);
}

/* --- Catalog Modernization --- */
.product-card {
    background: rgba(255, 255, 255, 0.8) !important;
    /* Override default white */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.6) !important;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03) !important;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
    /* Bouncy effect */
}

.product-card:hover {
    background: rgba(255, 255, 255, 0.95) !important;
    transform: translateY(-8px) !important;
    box-shadow: 0 20px 40px rgba(193, 24, 29, 0.15) !important;
    border-color: var(--color-primary-light) !important;
}

.filters-sidebar.glass-panel,
.catalog-toolbar.glass-panel {
    background: rgba(255, 255, 255, 0.75) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.4) !important;
}

/* Subtle background for the page to make glass visible */
body {
    background: #f8fafc;
    background-image:
        radial-gradient(at 0% 0%, rgba(193, 24, 29, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
    background-attachment: fixed;
}

/* Footer Modernization */
.footer-grid,
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col,
.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-col h4,
.footer-section h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: white;
    font-weight: 600;
    position: relative;
    padding-bottom: 10px;
}

.footer-col:first-child h4,
.footer-section:first-child h3 {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.footer-col h4::after,
.footer-section h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: var(--color-primary-light);
    border-radius: 2px;
}

.footer-col ul,
.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li,
.footer-section ul li {
    margin-bottom: 12px;
}

.footer-col ul li a,
.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease, transform 0.2s ease;
    display: inline-block;
}

.footer-col ul li a:hover,
.footer-section ul li a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-col p,
.footer-section p {
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: #94a3b8;
    font-size: 14px;
}

/* --- Favorite Button --- */
.favorite-btn {
    opacity: 0.7;
    transform: scale(0.9);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
}

.product-card:hover .favorite-btn {
    opacity: 1;
    transform: scale(1);
    background-color: white !important;
    box-shadow: 0 4px 12px rgba(193, 24, 29, 0.15) !important;
}

.favorite-btn i.fas.fa-heart {
    animation: heartBeat 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes heartBeat {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}