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

body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 한화생명 브랜드 컬러 */
:root {
    --hanwha-orange: #FF6B35;
    --hanwha-light-orange: #FF8C42;
    --hanwha-gradient: linear-gradient(135deg, #FF8C42 0%, #FF6B35 100%);
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --border-gray: #e9ecef;
    --text-gray: #666;
    --success-green: #28a745;
    --warning-yellow: #ffc107;
    --danger-red: #dc3545;
}

/* 공통 버튼 스타일 */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.btn-primary {
    background: var(--hanwha-orange);
    color: var(--white);
}

.btn-primary:hover {
    background: #FF5722;
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--light-gray);
    color: var(--text-gray);
    border: 1px solid var(--border-gray);
}

.btn-secondary:hover {
    background: var(--border-gray);
}

.btn-outline {
    background: transparent;
    color: var(--hanwha-orange);
    border: 2px solid var(--hanwha-orange);
}

.btn-outline:hover {
    background: var(--hanwha-orange);
    color: var(--white);
}

/* 공통 카드 스타일 */
.card {
    background: var(--white);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-gray);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

/* 공통 헤더 스타일 */
.page-header {
    background: var(--hanwha-gradient);
    color: var(--white);
    padding: 2rem;
    text-align: center;
}

.page-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    opacity: 0.9;
    font-size: 1.1rem;
}

/* 공통 레이아웃 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.grid {
    display: grid;
    gap: 1.5rem;
}

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

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* 로딩 애니메이션 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-gray);
    border-radius: 50%;
    border-top-color: var(--hanwha-orange);
    animation: spin 1s ease-in-out infinite;
}

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

/* 반응형 설정 */
@media (max-width: 768px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        padding: 1.5rem;
    }
    
    .page-header h1 {
        font-size: 1.5rem;
    }
}

/* 접근성 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 포커스 스타일 */
*:focus {
    outline: 2px solid var(--hanwha-orange);
    outline-offset: 2px;
}

/* 유틸리티 클래스 */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.hidden { display: none !important; }
.visible { display: block !important; }