/**
 * Allumnova Modern UI Framework
 * 3D Effects, Glassmorphism, and Premium Design
 */

/* ==================== CSS VARIABLES ==================== */
:root {
    /* Primary Colors */
    --primary-blue: #3B82F6;
    --primary-purple: #8B5CF6;
    --primary-pink: #EC4899;
    --primary-indigo: #6366F1;

    /* Gradients */
    --gradient-main: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 50%, #EC4899 100%);
    --gradient-card: linear-gradient(145deg, #3B82F6, #8B5CF6);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-mesh: radial-gradient(at 40% 20%, hsla(240, 100%, 70%, 1) 0px, transparent 50%),
        radial-gradient(at 80% 0%, hsla(280, 100%, 70%, 1) 0px, transparent 50%),
        radial-gradient(at 0% 50%, hsla(200, 100%, 70%, 1) 0px, transparent 50%);

    /* Backgrounds */
    --bg-white: #FFFFFF;
    --bg-light: #F9FAFB;
    --bg-gray: #F3F4F6;
    --bg-dark: #1F2937;
    --bg-glass: rgba(255, 255, 255, 0.1);
    --bg-glass-dark: rgba(0, 0, 0, 0.1);

    /* Text Colors */
    --text-dark: #1F2937;
    --text-gray: #6B7280;
    --text-light: #9CA3AF;
    --text-white: #FFFFFF;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-3d: 0 20px 40px rgba(0, 0, 0, 0.15), 0 10px 20px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

/* ==================== GLASSMORPHISM ==================== */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-white {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ==================== 3D CARDS ==================== */
.card-3d {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    transform: translateY(0) translateZ(0);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card-3d::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-card);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
}

.card-3d:hover {
    transform: translateY(-12px) translateZ(20px);
    box-shadow: var(--shadow-3d);
}

.card-3d:hover::before {
    opacity: 0.05;
}

/* Gradient Border Card */
.card-gradient-border {
    position: relative;
    background: white;
    border-radius: var(--radius-xl);
    padding: 2px;
    background: var(--gradient-main);
}

.card-gradient-border-inner {
    background: white;
    border-radius: calc(var(--radius-xl) - 2px);
    padding: var(--spacing-lg);
}

/* ==================== PREMIUM GLASS CARDS (Dark Theme) ==================== */
.card-premium-glass {
    background: rgba(17, 24, 39, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card-premium-glass::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    padding: 1px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.card-premium-glass:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 25px rgba(139, 92, 246, 0.2);
    border-color: rgba(139, 92, 246, 0.3);
}

.card-premium-glass .card-icon {
    background: linear-gradient(135deg, #3B82F6, #8B5CF6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;

    filter: drop-shadow(0 4px 6px rgba(139, 92, 246, 0.3));
}

/* ==================== BRIGHT GLASS CARDS (Light Theme) ==================== */
.card-glass-light {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-2xl);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card-glass-light:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(59, 130, 246, 0.25);
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(59, 130, 246, 0.3);
}

.card-glass-light .card-image-container {
    height: 220px;
    overflow: hidden;
    position: relative;
    border-radius: var(--radius-xl);
    margin: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.card-glass-light .card-image-container img {
    transition: transform 0.6s ease;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-glass-light:hover .card-image-container img {
    transform: scale(1.08);
}

/* ==================== PRODUCT CARDS ==================== */
.product-card {
    background: white;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-main);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-3d), var(--shadow-glow);
}

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

.product-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image img {
    transform: scale(1.1);
}

.product-card-badges {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.5rem;
    flex-wrap: wrap;
    z-index: 10;
}

.badge {
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.badge-featured {
    background: rgba(251, 191, 36, 0.9);
    color: #78350F;
}

.badge-category {
    background: rgba(59, 130, 246, 0.9);
    color: white;
}

.badge-new {
    background: rgba(16, 185, 129, 0.9);
    color: white;
}

.product-card-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.product-card-subtitle {
    font-size: 0.875rem;
    color: var(--text-gray);
    margin-bottom: 1rem;
}

.product-card-description {
    font-size: 0.875rem;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 1rem;
    flex: 1;
}

.product-card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.feature-tag {
    padding: 0.25rem 0.75rem;
    background: var(--bg-light);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--text-gray);
}

.product-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--bg-gray);
    margin-top: auto;
}

.product-price {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.price-inr {
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-usd {
    font-size: 0.875rem;
    color: var(--text-light);
}

.product-actions {
    display: flex;
    gap: 0.5rem;
}

/* ==================== BUTTONS ==================== */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.875rem;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-main);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-secondary {
    background: white;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

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

.btn-glass {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* ==================== GRADIENTS ==================== */
.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-bg {
    background: var(--gradient-main);
}

.gradient-mesh-bg {
    background: var(--gradient-mesh);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

/* ==================== FLOATING ELEMENTS ==================== */
.floating {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {

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

    50% {
        transform: translateY(-20px);
    }
}

.floating-slow {
    animation: floating 6s ease-in-out infinite;
}

.floating-delayed {
    animation: floating 3s ease-in-out infinite;
    animation-delay: 1.5s;
}

/* ==================== GLOW EFFECTS ==================== */
.glow {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

.glow-purple {
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
}

.glow-pink {
    box-shadow: 0 0 20px rgba(236, 72, 153, 0.5);
}

/* ==================== ANIMATIONS ==================== */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.scale-in {
    animation: scaleIn 0.4s ease-out;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ==================== LOADING STATES ==================== */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(59, 130, 246, 0.1);
    border-top-color: var(--primary-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .product-card-title {
        font-size: 1.25rem;
    }

    .price-inr {
        font-size: 1.5rem;
    }

    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.8125rem;
    }
}