/* public/css/style.css */

:root {
    --primary-bg-color: #ffffff;
    --secondary-bg-color: #f4f7f9;
    --primary-text-color: #333333;
    --secondary-text-color: #555555;
    --accent-color: #007bff;
    --accent-color-hover: #0056b3;
    --border-color: #dddddd;
    --card-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --primary-bg-color: #1a1a1a;
    --secondary-bg-color: #2a2a2a;
    --primary-text-color: #e0e0e0;
    --secondary-text-color: #b0b0b0;
    --accent-color: #0099ff;
    --accent-color-hover: #007acc;
    --border-color: #444444;
    --card-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--secondary-bg-color);
    color: var(--primary-text-color);
    margin: 0;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* --- Header & Footer --- */
.site-header, .site-footer {
    background-color: var(--primary-bg-color);
    padding: 20px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.site-footer {
    border-top: 1px solid var(--border-color);
    border-bottom: none;
    margin-top: 40px;
}

/* --- Promotions Grid --- */
.promotions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

/* --- Promotion Card --- */
.promo-card {
    background-color: var(--primary-bg-color);
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.promo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.promo-card-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.promo-card-content {
    padding: 15px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.promo-card-text {
    color: var(--secondary-text-color);
    font-size: 0.95em;
    flex-grow: 1;
    margin-bottom: 15px;
}

.promo-card-footer {
    margin-top: auto;
}

.promo-card-button {
    display: block;
    width: 100%;
    padding: 12px;
    background-color: var(--accent-color);
    color: white;
    text-align: center;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: background-color 0.2s ease;
}

.promo-card-button:hover {
    background-color: var(--accent-color-hover);
}

/* --- Loading Indicator --- */
#loading-indicator {
    text-align: center;
    padding: 20px;
    font-size: 1.2em;
    color: var(--secondary-text-color);
}