/* Packs Browser Styles */

/* Container */
.container {
    max-width: 1200px;
}

/* Filters */
.filters {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.search-box input {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.search-box input:focus {
    border-color: #667eea;
    outline: none;
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.filter-tag {
    background: #f0f0f0;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-tag:hover {
    background: #e0e0e0;
}

.filter-tag.active {
    background: #667eea;
    color: white;
}

/* Packs Grid */
.packs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.pack-card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.pack-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.pack-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.pack-name {
    font-size: 1.3rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 0.5rem;
}

.pack-description {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pack-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #888;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.pack-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: #e3e8ff;
    color: #667eea;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.pack-types {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.type-badge {
    background: #f0f0f0;
    color: #555;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-size: 0.75rem;
}

.type-badge.MultipleChoice { background: #e3f2fd; color: #1976d2; }
.type-badge.TrueFalse { background: #f3e5f5; color: #7b1fa2; }
.type-badge.TypeAnswer { background: #fff3e0; color: #e65100; }
.type-badge.Drawing { background: #e8f5e9; color: #388e3c; }
.type-badge.Poll { background: #fce4ec; color: #c2185b; }

/* Loading */
.loading {
    text-align: center;
    padding: 3rem;
    color: white;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: white;
    grid-column: 1 / -1;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

/* CTA Section */
.cta-section {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.cta-section h2 {
    color: #333;
    margin-bottom: 0.5rem;
}

.cta-section p {
    color: #666;
    margin-bottom: 1.5rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-large {
    max-width: 700px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #eee;
}

.modal-header h2 {
    color: #333;
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #888;
}

.close-btn:hover {
    color: #333;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Pack Details in Modal */
.pack-details {
    margin-bottom: 1.5rem;
}

.pack-details .pack-description {
    display: block;
    -webkit-line-clamp: unset;
}

.pack-meta-row {
    display: flex;
    gap: 1.5rem;
    margin: 1rem 0;
}

.meta-item {
    color: #666;
}

/* Questions Preview */
.questions-preview {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #eee;
    border-radius: 8px;
}

.preview-question {
    padding: 1rem;
    border-bottom: 1px solid #eee;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.preview-question:last-child {
    border-bottom: none;
}

.preview-num {
    background: #667eea;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: bold;
    flex-shrink: 0;
}

.preview-content {
    flex: 1;
    min-width: 0;
}

.preview-text {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.preview-type {
    font-size: 0.8rem;
    color: #888;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .page-header h1 {
        font-size: 1.8rem;
    }

    .packs-grid {
        grid-template-columns: 1fr;
    }

    .modal-footer {
        flex-direction: column;
    }

    .modal-footer button {
        width: 100%;
    }
}