/* build/style.css */
:root {
    --bg-color: #f4f4f9;
    --card-bg: #ffffff;
    --text-main: #333333;
    --text-muted: #666666;
    --accent: #8b5cf6;
    --accent-hover: #7c3aed;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    padding: 0;
}

.header {
    background-color: var(--card-bg);
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.card {
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0,0,0,0.15);
}

.card-img {
    width: 100%;
    height: 170px;
    object-fit: cover;
    border-bottom: 1px solid #eee;
}

.card-content {
    padding: 1.5rem;
}

.card-title {
    margin: 0 0 0.5rem 0;
    font-size: 1.125rem;
    line-height: 1.4;
}

.card-meta {
    color: var(--text-muted);
    font-size: 0.875rem;
    display: flex;
    justify-content: space-between;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.3s;
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    padding: 2rem;
    box-shadow: 0 20px 25px rgba(0,0,0,0.2);
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
}

.close-btn:hover {
    color: var(--text-main);
}

.modal-header {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.modal-cover {
    flex: 1;
    min-width: 300px;
    max-width: 400px;
    border-radius: 0.5rem;
    object-fit: cover;
}

.modal-info {
    flex: 2;
    min-width: 300px;
}

.instructor-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1rem 0;
}

.instructor-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.badge {
    background-color: var(--accent);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.875rem;
    display: inline-block;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.description {
    line-height: 1.6;
    color: var(--text-muted);
    white-space: pre-wrap;
}

.topics-list {
    padding-left: 1.5rem;
    color: var(--text-muted);
}

.topics-list li {
    margin-bottom: 0.5rem;
}

.cert-link {
    display: flex;
    margin-top: 1.5rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 0.25rem;
    font-weight: bold;
    transition: background-color 0.2s;
    justify-content: center;
}

.cert-link:hover {
    background-color: var(--accent-hover);
}

.cert-dwn {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 0.25rem;
    font-weight: bold;
    transition: background-color 0.2s;
}

.cert-dwn:hover {
    background-color: var(--accent-hover);
}

.download-group {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.btn-pdf {
    background-color: #ef4444;
}

.btn-pdf:hover {
    background-color: #dc2626;
}

.btn-jpg {
    background-color: #3b82f6;
}

.btn-jpg:hover {
    background-color: #2563eb;
}