/* ==========================================================================
   DIGITAL STORE - MODERN PREMIUM COLOR THEME SYSTEM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    /* Color Palette Tokens */
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: rgba(79, 70, 229, 0.09);
    --secondary: #7c3aed;
    --secondary-hover: #6d28d9;
    --accent: #f59e0b;
    --success: #10b981;
    --success-hover: #059669;
    --dark: #0b0f19;
    --dark-surface: #111827;
    --light-bg: #f8fafc;
    --white: #ffffff;
    
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #6b7280;
    
    --border: #e5e7eb;
    --border-light: rgba(229, 231, 235, 0.8);
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --shadow-sm: 0 2px 8px rgba(11, 15, 25, 0.04);
    --shadow-md: 0 8px 24px -4px rgba(11, 15, 25, 0.08);
    --shadow-lg: 0 20px 40px -10px rgba(11, 15, 25, 0.14);
    --shadow-glow: 0 10px 30px -5px rgba(79, 70, 229, 0.3);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Resets */
body {
    font-family: var(--font-body);
    background-color: #f1f5f9;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .font-heading {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--dark);
    letter-spacing: -0.02em;
}

/* Glassmorphism Header Bar */
.navbar-custom {
    background: rgba(11, 15, 25, 0.94) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 14px 0;
    transition: var(--transition);
}

.navbar-custom .navbar-brand {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.45rem;
    color: var(--white) !important;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-custom .navbar-brand img {
    height: 42px;
    width: auto;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.navbar-custom .nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    color: #9ca3af !important;
    padding: 8px 16px !important;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.navbar-custom .nav-link:hover,
.navbar-custom .nav-link.active {
    color: var(--white) !important;
    background: rgba(255, 255, 255, 0.12);
}

/* Search Bar in Header */
.search-input-group {
    position: relative;
    width: 270px;
}

.search-input-group input {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-xl);
    color: var(--white);
    padding: 8px 18px 8px 40px;
    font-size: 0.88rem;
    transition: var(--transition);
}

.search-input-group input::placeholder {
    color: #9ca3af;
}

.search-input-group input:focus {
    background: rgba(255, 255, 255, 0.16);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.3);
    color: var(--white);
    width: 310px;
}

.search-input-group .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    font-size: 0.9rem;
    pointer-events: none;
}

/* Cart Badge Indicator */
.badge-cart {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.45);
}

/* Hero Section Theme (Compact & Modern) */
.hero-wrapper {
    background: linear-gradient(135deg, #0b0f19 0%, #1e1b4b 45%, #311b92 100%);
    position: relative;
    padding: 45px 0 52px;
    overflow: hidden;
}

.hero-wrapper::before {
    content: '';
    position: absolute;
    top: -25%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.25) 0%, rgba(0, 0, 0, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-wrapper::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-title {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.2;
    background: linear-gradient(135deg, #ffffff 30%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 12px;
}

.hero-lead {
    font-size: 0.98rem;
    color: #e0e7ff;
    max-width: 660px;
    margin: 0 auto 22px;
    line-height: 1.5;
}

.hero-search-box {
    background: rgba(255, 255, 255, 0.09);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-xl);
    padding: 5px 5px 5px 18px;
    box-shadow: var(--shadow-lg);
    max-width: 540px;
    margin: 0 auto;
}

.hero-search-box input {
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 0.94rem;
    outline: none;
    box-shadow: none !important;
}

.hero-search-box input::placeholder {
    color: #a5b4fc;
}

.hero-search-box .btn-search {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    font-weight: 700;
    padding: 10px 22px;
    font-size: 0.92rem;
    border-radius: var(--radius-lg);
    border: none;
    transition: var(--transition);
}

.hero-search-box .btn-search:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Category Pill Badges (Compact & Modern) */
.category-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 16px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 30px;
    color: var(--dark);
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
}

.category-pill:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.category-pill.active {
    border-color: var(--primary);
    color: var(--white) !important;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: var(--shadow-glow);
}

/* Badges & Tags */
.badge-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 5;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 5px 12px;
    border-radius: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
    backdrop-filter: blur(8px);
}

.badge-bestseller {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #ffffff;
}

.badge-new {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
}

.badge-featured {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: #ffffff;
}

.badge-discount {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 5;
    background: rgba(225, 29, 72, 0.92);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(225, 29, 72, 0.3);
}

/* Price & MRP */
.card-mrp-price {
    font-size: 0.92rem;
    color: var(--text-muted);
    text-decoration: line-through;
    font-weight: 500;
    margin-right: 6px;
}

/* Star Rating System */
.star-rating {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 0.85rem;
    color: #f59e0b;
}

.star-rating .rating-count {
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 600;
    margin-left: 4px;
}

/* Hero Carousel Controls & Indicators */
.hero-carousel .carousel-indicators [data-bs-target] {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #a5b4fc;
    border: 2px solid transparent;
    opacity: 0.6;
    transition: var(--transition);
}

.hero-carousel .carousel-indicators .active {
    opacity: 1;
    width: 28px;
    border-radius: 10px;
    background-color: #ffffff;
}

.hero-carousel .carousel-control-prev,
.hero-carousel .carousel-control-next {
    width: 46px;
    height: 46px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.85;
    transition: var(--transition);
}

.hero-carousel .carousel-control-prev { left: 20px; }
.hero-carousel .carousel-control-next { right: 20px; }

.hero-carousel .carousel-control-prev:hover,
.hero-carousel .carousel-control-next:hover {
    background: rgba(255, 255, 255, 0.3);
    opacity: 1;
}

/* Cart Pulse Animation */
.cart-pulse {
    animation: cartPulse 0.4s ease-in-out;
}

@keyframes cartPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.35); }
    100% { transform: scale(1); }
}


/* Modern Card Layout */
.modern-card {
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.modern-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(79, 70, 229, 0.35);
}

.book-cover-container {
    position: relative;
    background: #f3f4f6;
    overflow: hidden;
}

.book-cover-img {
    width: 100%;
    height: 245px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.modern-card:hover .book-cover-img {
    transform: scale(1.05);
}

.card-category-tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 12px;
    border-radius: 20px;
    display: inline-block;
}

.card-product-title {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--dark);
    margin: 10px 0 6px;
    line-height: 1.35;
    min-height: 46px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-price {
    font-size: 1.38rem;
    font-weight: 800;
    color: var(--success);
}

/* Buttons */
.btn-modern-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: var(--white);
    font-weight: 650;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    border: none;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-modern-primary:hover {
    color: var(--white);
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

.btn-modern-cart {
    background: rgba(245, 158, 11, 0.12);
    color: #d97706;
    border: 1px solid rgba(245, 158, 11, 0.35);
    font-weight: 650;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-modern-cart:hover {
    background: #f59e0b;
    color: var(--white);
    border-color: #f59e0b;
}

.btn-modern-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: var(--white);
    font-weight: 650;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    border: none;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-modern-success:hover {
    color: var(--white);
    box-shadow: 0 8px 20px -4px rgba(16, 185, 129, 0.35);
    transform: translateY(-1px);
}

/* Footer Section - High Contrast */
.footer-modern {
    background: #0b0f19;
    color: #e2e8f0;
    padding: 65px 0 32px;
    margin-top: 85px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-modern h5 {
    color: #ffffff !important;
    font-size: 1.2rem;
    margin-bottom: 22px;
}

.footer-text-light,
.footer-modern p,
.footer-modern span {
    color: #cbd5e1 !important;
    font-size: 0.94rem;
}

.footer-links a {
    color: #cbd5e1 !important;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: #ffffff !important;
    transform: translateX(4px);
}

.footer-social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: #cbd5e1;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
}

.footer-social-icon:hover {
    background: var(--primary);
    color: #ffffff;
    transform: translateY(-3px);
}

/* Toast Notifications */
.cart-toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--dark);
    color: var(--white);
    padding: 14px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 9999;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   MOBILE 2-COLUMN BOOK CARDS RESPONSIVENESS
   ========================================================================== */
@media (max-width: 767.98px) {
    .hero-wrapper {
        padding: 30px 0 35px;
    }

    .hero-title {
        font-size: 1.45rem;
        margin-bottom: 8px;
    }

    .hero-lead {
        font-size: 0.85rem;
        margin-bottom: 16px;
    }

    .hero-search-box {
        padding: 4px 4px 4px 14px;
    }

    .hero-search-box input {
        font-size: 0.86rem;
    }

    .hero-search-box .btn-search {
        padding: 8px 14px;
        font-size: 0.82rem;
    }

    .category-pill {
        padding: 5px 12px;
        font-size: 0.76rem;
    }

    .book-cover-img {
        height: 160px;
    }
    
    .book-cover-container {
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }

    .badge-tag {
        font-size: 0.60rem;
        padding: 3px 7px;
        top: 6px;
        left: 6px;
        letter-spacing: 0.2px;
    }

    .badge-discount {
        font-size: 0.62rem;
        padding: 2px 6px;
        top: 6px;
        right: 6px;
    }

    .modern-card .card-body {
        padding: 10px 10px 6px !important;
    }

    .card-category-tag {
        font-size: 0.65rem;
        padding: 2px 7px;
    }

    .star-rating {
        font-size: 0.72rem;
        gap: 2px;
    }

    .star-rating .rating-count {
        font-size: 0.68rem;
    }

    .card-product-title {
        font-size: 0.85rem;
        min-height: 38px;
        line-height: 1.25;
        margin: 6px 0 4px;
    }

    .card-price {
        font-size: 1.08rem;
    }

    .card-mrp-price {
        font-size: 0.78rem;
    }

    .modern-card .card-footer {
        padding: 0 10px 10px !important;
    }

    .btn-modern-cart {
        padding: 6px 8px;
        font-size: 0.75rem;
        border-radius: 6px;
    }

    .btn-modern-primary,
    .btn-modern-success {
        padding: 6px 8px;
        font-size: 0.74rem;
        border-radius: 6px;
    }
}