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

:root {
    --bg-color: #0b0e14;
    --card-bg: rgba(23, 28, 40, 0.8);
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --secondary-gradient: linear-gradient(135deg, #3b82f6 0%, #2dd4bf 100%);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-purple: #8b5cf6;
    --accent-blue: #3b82f6;
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --success: #10b981;
    --danger: #ef4444;
    --up-color: #ff4d4d;
    /* Korean Rise: Red */
    --down-color: #4d4dff;
    /* Korean Fall: Blue */
    --neon-cyan: #22d3ee;
    --neon-magenta: #f472b6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

h1,
h2,
h3 {
    font-family: 'Outfit', sans-serif;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 3rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
    text-decoration: none;
    cursor: pointer;
    display: inline-block;
}

.lang-selector {
    display: flex;
    gap: 1rem;
}

.lang-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.lang-link:hover {
    color: var(--text-primary);
    background: var(--glass-bg);
}

.lang-link.active {
    color: var(--text-primary);
    background: var(--glass-bg);
    border-color: var(--accent-purple);
}

/* Main Layout */
.main-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 968px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
}

/* Calculator Card */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card h2 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.input-group input {
    width: 100%;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
}

.btn-calculate {
    width: 100%;
    background: var(--primary-gradient);
    border: none;
    border-radius: 12px;
    padding: 1rem;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s ease, opacity 0.2s ease;
    margin-top: 1rem;
}

.btn-calculate:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

/* Result Section */
.results-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.stat-box {
    background: var(--glass-bg);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.stat-box .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    display: block;
}

.stat-box .value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-box .value.highlight {
    color: var(--success);
}

/* Chart Area */
.chart-wrapper {
    background: var(--glass-bg);
    border-radius: 20px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    min-height: 400px;
}

/* Blog Section */
.blog-section {
    margin-top: 5rem;
}

.blog-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.5rem;
    transition: transform 0.3s ease;
    cursor: pointer;
}

.blog-card:hover {
    transform: translateY(-10px);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.2);
}

.blog-date {
    font-size: 0.75rem;
    color: var(--accent-blue);
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
}

.blog-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.blog-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

footer {
    text-align: center;
    padding: 4rem 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    border-top: 1px solid var(--border-color);
    margin-top: 5rem;
}

.legal-disclaimer {
    margin-top: 1rem;
    font-size: 0.75rem;
    opacity: 0.7;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* AdSense Slots */
.ad-slot {
    width: 100%;
    min-height: 100px;
    background: var(--glass-bg);
    border: 1px dashed var(--border-color);
    margin: 2rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    position: relative;
    overflow: hidden;
}

.ad-slot::before {
    content: 'ADVERTISEMENT';
    position: absolute;
    top: 5px;
    left: 10px;
    font-size: 0.6rem;
    opacity: 0.5;
    letter-spacing: 1px;
}

.ad-slot::after {
    content: '[ Google AdSense Placeholder ]';
}

.ad-sidebar {
    width: 300px;
    min-height: 600px;
    margin: 0;
}

/* Layout with Sidebar */
.content-with-sidebar {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.main-content {
    flex: 1;
    min-width: 0;
    /* Prevent flex overflow */
}

@media (max-width: 1024px) {
    .content-with-sidebar {
        flex-direction: column;
    }

    .ad-sidebar {
        width: 100%;
        min-height: 100px;
    }
}

.ad-in-article {
    /* Styles are mostly inline in the python generator, but we can override here */
    border-radius: 12px;
}

/* Gung-hap Mini Game */
.fortune-card {
    max-width: 500px;
    margin: 0 auto;
}

.result-display {
    margin-top: 2rem;
    padding: 1.5rem;
    border-radius: 16px;
    background: var(--glass-bg);
    border: 1px solid var(--accent-purple);
    display: none;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.score-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--neon-magenta);
    margin: 1rem 0;
}

/* Navigation Cards Grid */
.nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.nav-card {
    position: relative;
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2.5rem 2rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    overflow: hidden;
    z-index: 1;
}

.nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.nav-card:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 20px rgba(139, 92, 246, 0.2);
}

.nav-card:hover i {
    transform: scale(1.1) rotate(5deg);
}

.nav-card i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: transform 0.4s ease;
}

.nav-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Card Specific Icons */
.nav-card[href*="list"] i {
    background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.nav-card[href*="calculator"] i {
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.nav-card[href*="calendar"] i {
    background: linear-gradient(135deg, #3b82f6 0%, #a855f7 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.nav-card[href*="fortune"] i {
    background: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.nav-card[href*="blog"] i {
    background: linear-gradient(135deg, #6366f1 0%, #2dd4bf 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

/* FAQ Section */
.faq-section {
    margin-top: 5rem;
    margin-bottom: 3rem;
}

.faq-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--accent-purple);
}

.faq-item details {
    cursor: pointer;
}

.faq-item summary {
    padding: 1.5rem;
    font-weight: 600;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-primary);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent-blue);
    transition: transform 0.3s ease;
}

.faq-item details[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 0.5rem;
    padding-top: 1rem;
}

/* Stock Cards List (Alternative to Table) */
.stock-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.stock-card-compact {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    cursor: pointer;
}

.stock-card-compact:hover {
    transform: translateY(-5px);
    border-color: var(--accent-purple);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
    background: rgba(30, 35, 50, 0.9);
}

.stock-row-1 {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stock-ticker {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.5px;
}

.stock-price-container {
    text-align: right;
}

.stock-price {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.price-up {
    color: var(--up-color) !important;
}

.price-down {
    color: var(--down-color) !important;
}

.change-pct {
    font-size: 0.9rem;
    margin-left: 0.5rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
}