:root {
    --bg-color: #0f0f0f;
    --card-bg: rgba(30, 30, 30, 0.7);
    --gold-accent: #c5a059;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --glass-border: rgba(255, 255, 255, 0.1);
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, sans-serif;
    margin: 0;
    padding: 40px 20px;
    display: flex;
    justify-content: center;
}

.container {
    max-width: 1200px;
    width: 100%;
}

header {
    text-align: center;
    margin-bottom: 60px;
}

h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    color: var(--gold-accent);
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    letter-spacing: 2px;
}

/* Two-column layout */
.index-grid {
    column-count: 2;
    column-gap: 40px;
}

@media (max-width: 900px) {
    .index-grid {
        column-count: 1;
    }
}

.letter-section {
    break-inside: avoid;
    margin-bottom: 40px;
}

.letter-header {
    background: linear-gradient(90deg, var(--gold-accent), transparent);
    color: var(--bg-color);
    font-size: 1.5rem;
    font-weight: bold;
    padding: 5px 20px;
    border-radius: 4px;
    margin-bottom: 15px;
    display: inline-block;
    min-width: 60px;
    text-align: center;
}

.entry-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.entry-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    margin-bottom: 5px;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.entry-item:hover {
    background: rgba(197, 160, 89, 0.1);
    border-color: var(--gold-accent);
    transform: translateX(5px);
}

.name {
    font-weight: 500;
    font-size: 1.1rem;
}

.dates {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-family: 'Courier New', monospace;
}

footer {
    margin-top: 80px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
    border-top: 1px solid var(--glass-border);
    padding-top: 20px;
}