/* 전산회계1급 페이지 - 퍼플 테마 */
/* 고졸 검정고시 페이지와 동일한 스타일 패턴 적용 */

:root {
    --ca1-primary: #8b5cf6;
    --ca1-primary-dark: #7c3aed;
    --ca1-primary-light: #a78bfa;
    --ca1-gradient: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    --ca1-gradient-light: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
    --ca1-text-dark: #4c1d95;
}

/* Page Header */
.page-header {
    text-align: center;
    padding: var(--space-3xl) 0;
    background: var(--ca1-gradient-light);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-2xl);
}

.page-header .breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

.page-header .breadcrumb a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.page-header .breadcrumb a:hover {
    color: var(--ca1-primary);
}

.page-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--ca1-gradient);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.page-title {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.page-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: var(--space-xl);
}

.page-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
}

.page-stats .stat {
    text-align: center;
}

.page-stats .stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--ca1-primary);
}

.page-stats .stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Section Styles */
.exam-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.section-desc {
    color: var(--text-secondary);
}

/* Round Grid */
.round-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
}

/* Exam Card (Round Card) */
.round-card {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.round-card:hover {
    border-color: var(--ca1-primary);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.15);
    transform: translateY(-3px);
}

.round-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.round-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ca1-primary);
}

.round-date {
    font-size: 0.875rem;
    color: var(--text-secondary);
    background: var(--ca1-gradient-light);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

.round-card-body {
    flex: 1;
    margin-bottom: var(--space-lg);
}

.round-files {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.file-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.file-icon {
    font-size: 1.2rem;
}

.round-card-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.action-btn:hover {
    border-color: var(--ca1-primary);
    color: var(--ca1-primary);
}

.action-btn.view-pdf {
    background: var(--ca1-gradient);
    border-color: transparent;
    color: white;
}

.action-btn.view-pdf:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
    color: white;
}

.action-btn.download {
    background: transparent;
}

.btn-icon {
    font-size: 1rem;
}

.btn-text {
    white-space: nowrap;
}

/* Info Card Grid */
.info-card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.info-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: all 0.3s ease;
}

.info-card:hover {
    border-color: var(--ca1-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.15);
}

.info-card .info-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    display: block;
}

.info-card .info-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.info-card .info-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
}

/* PDF Viewer Modal */
.pdf-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.pdf-modal.active {
    opacity: 1;
    visibility: visible;
}

.pdf-modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 1000px;
    height: 90%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.pdf-modal.active .pdf-modal-content {
    transform: translateY(0);
}

.pdf-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.pdf-modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.pdf-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s ease;
}

.pdf-modal-close:hover {
    color: var(--ca1-primary);
}

.pdf-modal-body {
    flex-grow: 1;
    padding: var(--space-md);
}

.pdf-modal-body iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .round-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .info-card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: var(--space-xl);
    }

    .page-stats {
        gap: var(--space-lg);
    }

    .exam-section {
        padding: var(--space-lg);
    }

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

    .info-card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .round-card-actions {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 1.5rem;
    }

    .info-card-grid {
        grid-template-columns: 1fr;
    }

    .info-card {
        padding: var(--space-lg);
    }

    .info-card .info-icon {
        font-size: 2rem;
    }
}

/* Loading and Error States */
.loading-state,
.error-state,
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-3xl);
    color: var(--text-secondary);
}

.loading-state {
    font-size: 1.1rem;
}

.error-icon,
.empty-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    display: block;
}

.error-message,
.empty-message {
    font-size: 1rem;
    line-height: 1.6;
}

/* SEO 컨텐츠 - 화면에 표시되지 않지만 검색엔진은 읽을 수 있도록 */
.seo-content {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}