* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Malgun Gothic', sans-serif;
    background: #f8fafc;
    min-height: 100vh;
    color: #1a202c;
    line-height: 1.6;
}

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

/* 메인 섹션 */
.main-section {
    padding: 40px 0 80px 0;
    min-height: 100vh;
}

.main-content {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* 헤더 영역 */
.header-section {
    text-align: center;
    margin-bottom: 20px;
}

.header-section h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 12px;
}

.header-section .description {
    font-size: 1.2rem;
    color: #6b7280;
}

/* 다운로드 섹션 */
.download-section {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    text-align: center;
    margin-bottom: 20px;
}

.download-section h2 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 16px;
}

.download-info {
    background: #f8fafc;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 24px;
}

.download-info .status {
    font-size: 0.9rem;
    color: #64748b;
    margin-bottom: 8px;
}

.download-info .description {
    font-size: 0.85rem;
    color: #64748b;
    line-height: 1.4;
}

.steps-section {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
}

.steps-section h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 24px;
    text-align: center;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease;
}

.step:hover {
    transform: translateX(4px);
}

.step-num {
    background: linear-gradient(135deg, #374151 0%, #1f2937 100%);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 4px;
    font-size: 1rem;
}

.step-desc {
    color: #6b7280;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 우측 다운로드 영역 */
.download-side {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 360px;
}

.download-card {
    background: white;
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.card-header {
    text-align: center;
    border-bottom: 1px solid #f1f5f9;
    padding-bottom: 16px;
}

.card-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1f2937;
    margin: 0;
}

.download-area {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.file-badge {
    background: #f1f5f9;
    padding: 16px 20px;
    border-radius: 10px;
    border: 1px solid #cbd5e1;
    text-align: left;
    margin-bottom: 24px;
}

.file-badge span {
    display: block;
    font-weight: 600;
    color: #1e293b;
    font-size: 1rem;
    margin-bottom: 6px;
    word-break: break-all;
}

.file-badge small {
    color: #64748b;
    font-size: 0.85rem;
    font-weight: 500;
}

.download-btn {
    background: linear-gradient(135deg, #374151 0%, #1f2937 100%);
    color: white;
    border: none;
    padding: 16px 24px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
    width: 100%;
    min-height: 48px;
}

.download-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(55, 65, 81, 0.25);
    background: linear-gradient(135deg, #4b5563 0%, #374151 100%);
}

.download-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

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

.notice {
    background: #fef9e7;
    border: 1px solid #f59e0b;
    border-radius: 8px;
    padding: 16px;
}

.download-info {
    background: #f8fafc;
    border-radius: 8px;
    padding: 16px;
    text-align: center;
}

.download-info .status {
    font-size: 0.9rem;
    color: #64748b;
    margin-bottom: 8px;
}

.download-info .description {
    font-size: 0.85rem;
    color: #64748b;
    line-height: 1.4;
}

.notice h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: #d97706;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.notice ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.notice li {
    color: #92400e;
    font-size: 0.85rem;
    margin-bottom: 6px;
    padding-left: 14px;
    position: relative;
    line-height: 1.4;
}

.notice li:before {
    content: "•";
    position: absolute;
    left: 0;
    font-weight: bold;
    color: #f59e0b;
}



/* 페이지 링크 */
.page-links {
    text-align: center;
}

.page-link {
    display: inline-block;
    padding: 12px 24px;
    background: #f1f5f9;
    color: #475569;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid #cbd5e1;
}

.page-link:hover {
    background: #e2e8f0;
    color: #334155;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .header-section h1 {
        font-size: 2.2rem;
    }
    
    .main-content {
        gap: 30px;
    }
    
    .download-section,
    .steps-section,
    .notice-section {
        padding: 24px;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .main-section {
        padding: 30px 0 60px 0;
    }
}