/* Reset and Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-bg: #fafafa;
    --color-text: #2c2c2c;
    --color-text-light: #666;
    --color-accent: #8b7355;
    --color-card-bg: #ffffff;
    --color-border: #e5e5e5;
    --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.08);
    --font-serif: 'Georgia', 'Times New Roman', serif;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 3rem;
}

header h1 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.week-info {
    font-size: 0.95rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Painting Section */
.painting-section {
    text-align: center;
    margin-bottom: 3rem;
}

.painting-frame {
    background: var(--color-card-bg);
    padding: 1rem;
    box-shadow: var(--shadow-medium);
    display: inline-block;
    margin-bottom: 1.5rem;
}

.painting-frame img {
    display: block;
    max-width: 100%;
    max-height: 70vh;
    height: auto;
}

.painting-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.painting-artist {
    font-size: 1.1rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* Info Section */
.info-section {
    margin-bottom: 3rem;
}

.info-card {
    background: var(--color-card-bg);
    border-radius: 4px;
    padding: 1.5rem 2rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-soft);
}

.info-card h3 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-card p {
    color: var(--color-text);
    line-height: 1.8;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 600px) {
    .info-grid {
        grid-template-columns: 1fr;
    }
}

.details-list {
    list-style: none;
}

.details-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
}

.details-list li:last-child {
    border-bottom: none;
}

.details-list strong {
    color: var(--color-text-light);
    font-weight: 500;
}

.fun-facts-list {
    list-style: none;
}

.fun-facts-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    border-bottom: 1px solid var(--color-border);
}

.fun-facts-list li:last-child {
    border-bottom: none;
}

.fun-facts-list li::before {
    content: "•";
    color: var(--color-accent);
    font-size: 1.2rem;
    position: absolute;
    left: 0;
    top: 0.65rem;
}

/* Download Section */
.download-section {
    background: var(--color-card-bg);
    border-radius: 4px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.download-section h3 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background-color: var(--color-accent);
    color: white;
}

.btn-primary:hover {
    background-color: #7a6548;
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: white;
}

.print-tip {
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* Footer */
footer {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid var(--color-border);
}

footer p {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* Loading State */
.loading {
    opacity: 0.5;
    pointer-events: none;
}

/* Print Styles */
@media print {
    body {
        background: white;
    }

    .download-section,
    footer {
        display: none;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }

    .info-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}