/* 
 * Premium Design System for E-Commerce Affiliate Landing Page
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
    /* Color Palette - Dark Theme (Default) */
    --bg-base: #060913;
    --bg-surface: rgba(15, 22, 42, 0.65);
    --bg-surface-opaque: #0f172a;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(99, 102, 241, 0.4);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.15);
    
    --accent-pink: #ec4899;
    --accent-orange: #f97316;
    
    --tokopedia-color: #42b549;
    --tokopedia-bg: rgba(66, 181, 73, 0.1);
    --tokopedia-border: rgba(66, 181, 73, 0.2);
    
    --shopee-color: #ee4d2d;
    --shopee-bg: rgba(238, 77, 45, 0.1);
    --shopee-border: rgba(238, 77, 45, 0.2);
    
    --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
    --card-hover-shadow: 0 20px 40px -15px rgba(99, 102, 241, 0.3);
    
    --glass-blur: 16px;
    --transition-speed: 0.3s;
}

[data-theme="light"] {
    /* Color Palette - Light Theme */
    --bg-base: #f8fafc;
    --bg-surface: rgba(255, 255, 255, 0.75);
    --bg-surface-opaque: #ffffff;
    --border-color: rgba(15, 23, 42, 0.06);
    --border-hover: rgba(99, 102, 241, 0.3);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --primary-glow: rgba(79, 70, 229, 0.1);
    
    --card-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
    --card-hover-shadow: 0 20px 40px -15px rgba(79, 70, 229, 0.2);
    
    --glass-blur: 12px;
}

/* Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Gradient Mesh Background elements */
.mesh-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    pointer-events: none;
    overflow: hidden;
}

.mesh-1 {
    position: absolute;
    width: 600px;
    height: 600px;
    top: -200px;
    left: -100px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.mesh-2 {
    position: absolute;
    width: 650px;
    height: 650px;
    bottom: -200px;
    right: -100px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

/* Header & Nav */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    background-color: rgba(6, 9, 19, 0.5);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

[data-theme="light"] header {
    background-color: rgba(248, 250, 252, 0.7);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 24px;
    text-decoration: none;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle-btn {
    background: none;
    border: 1px solid var(--border-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
    border-color: var(--primary-color);
    background-color: var(--primary-glow);
    transform: rotate(15deg);
}

.theme-toggle-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Hero Section */
.hero {
    max-width: 1280px;
    margin: 0 auto;
    padding: 80px 24px 40px 24px;
    text-align: center;
}

.hero-tag {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 9999px;
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary-color) 20%, var(--accent-pink) 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 19px);
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 40px auto;
    font-weight: 400;
}

/* Filters & Controls Grid */
.controls-container {
    max-width: 1280px;
    margin: 0 auto 40px auto;
    padding: 0 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.search-sort-bar {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    width: 100%;
}

@media (min-width: 768px) {
    .search-sort-bar {
        grid-template-columns: 1fr 200px;
    }
}

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

.search-input {
    width: 100%;
    padding: 16px 20px 16px 52px;
    font-size: 15px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    transition: all 0.3s ease;
    box-shadow: var(--card-shadow);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    transition: color 0.3s;
}

.search-input:focus + .search-icon {
    color: var(--primary-color);
}

.sort-wrapper select {
    width: 100%;
    padding: 16px 20px;
    font-size: 15px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    cursor: pointer;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 20px center;
    background-size: 16px;
    transition: all 0.3s ease;
    box-shadow: var(--card-shadow);
}

.sort-wrapper select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.sort-wrapper select option {
    background-color: var(--bg-surface-opaque);
    color: var(--text-primary);
}

/* Category & Platform Filter Pills */
.filter-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tab-pill {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-pill:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.tab-pill.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.platform-filters {
    display: flex;
    gap: 6px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 4px;
    border-radius: 30px;
}

.platform-pill {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    border: none;
    background: none;
    color: var(--text-secondary);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.platform-pill:hover {
    color: var(--text-primary);
}

.platform-pill.active {
    background-color: var(--primary-color);
    color: white;
}

.platform-pill.active[data-platform="tokopedia"] {
    background-color: var(--tokopedia-color);
}

.platform-pill.active[data-platform="shopee"] {
    background-color: var(--shopee-color);
}

/* Products Grid */
.products-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px 80px 24px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

/* Card Design (Premium Glassmorphism + Glow) */
.product-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                border-color 0.4s ease, 
                box-shadow 0.4s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--card-hover-shadow);
}

.card-img-wrapper {
    position: relative;
    width: 100%;
    padding-top: 100%; /* 1:1 Aspect Ratio */
    overflow: hidden;
    background-color: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
}

.card-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-card:hover .card-img {
    transform: scale(1.06);
}

.platform-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    z-index: 10;
    padding: 6px 12px;
    border-radius: 30px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.platform-tag.tokopedia {
    background-color: var(--tokopedia-bg);
    color: var(--tokopedia-color);
    border: 1px solid var(--tokopedia-border);
}

.platform-tag.shopee {
    background-color: var(--shopee-bg);
    color: var(--shopee-color);
    border: 1px solid var(--shopee-border);
}

.card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-category {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.card-title {
    font-family: 'Outfit', sans-serif;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 10px;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 48px; /* Fixed height for consistency */
}

.card-description {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 58px; /* Fixed height for consistency */
}

.card-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.card-price-row {
    display: flex;
    flex-direction: column;
}

.price-label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
}

.price-val {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
}

.cta-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button.tokopedia {
    background-color: var(--tokopedia-color);
    color: white;
    box-shadow: 0 4px 14px rgba(66, 181, 73, 0.3);
}

.cta-button.tokopedia:hover {
    background-color: #3aa241;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(66, 181, 73, 0.4);
}

.cta-button.shopee {
    background-color: var(--shopee-color);
    color: white;
    box-shadow: 0 4px 14px rgba(238, 77, 45, 0.3);
}

.cta-button.shopee:hover {
    background-color: #d63d1e;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(238, 77, 45, 0.4);
}

/* Empty State / Not Found */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 24px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: var(--card-shadow);
}

.no-results-icon {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--text-muted);
}

.no-results-title {
    font-family: 'Outfit', sans-serif;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.no-results-desc {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Footer Section */
footer {
    border-top: 1px solid var(--border-color);
    background-color: rgba(6, 9, 19, 0.8);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

[data-theme="light"] footer {
    background-color: rgba(248, 250, 252, 0.9);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 40px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
}

.footer-logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

.footer-copy {
    color: var(--text-muted);
    font-size: 13px;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--text-primary);
}