/* 업무용 간소한 스타일 */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f8f9fa;
}

/* 헤더 간소화 */
.navbar {
    background-color: #ffffff !important;
    border-bottom: 1px solid #dee2e6;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 600;
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link {
    color: #495057 !important;
    font-weight: 500;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
}

/* 메인 컨테이너 */
.main-container {
    margin-top: 20px;
    margin-bottom: 40px;
}

/* 페이지 제목 */
.page-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

/* 검색 폼 간소화 */
.search-form {
    background: #ffffff;
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

/* 테이블 스타일 */
.table {
    background: #ffffff;
    border-radius: 0.375rem;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.table thead th {
    background-color: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    color: #495057;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

/* 문서 링크 */
.doc-link {
    color: var(--primary-color);
    text-decoration: none;
}

.doc-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* 버튼 간소화 */
.btn {
    font-weight: 500;
    border-radius: 0.375rem;
}

.btn-outline-secondary {
    color: #6c757d;
    border-color: #6c757d;
}

.btn-outline-secondary:hover {
    background-color: #6c757d;
    border-color: #6c757d;
}

/* 카드 스타일 */
.card {
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    font-weight: 600;
}

/* 알림 메시지 */
.alert {
    border-radius: 0.375rem;
    border: 1px solid transparent;
}

/* 대시보드 통계 카드 */
.stat-card {
    background: #ffffff;
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.stat-card-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat-card-number {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stat-card-label {
    color: #6c757d;
    font-size: 0.875rem;
}

/* 파일 업로드 영역 */
.file-upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 0.375rem;
    padding: 2rem;
    text-align: center;
    background-color: #f8f9fa;
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background-color: #e7f3ff;
}

/* 반응형 */
@media (max-width: 768px) {
    .main-container {
        margin-top: 10px;
    }
    
    .search-form {
        padding: 1rem;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
}

/* 유틸리티 클래스 */
.text-muted {
    color: #6c757d !important;
}

.border-start {
    border-left: 3px solid var(--primary-color) !important;
}

.bg-light-blue {
    background-color: #e7f3ff !important;
}

/* 로딩 스피너 */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* 커스텀 테이블 행 클릭 */
.table tbody tr {
    cursor: pointer;
}

.table tbody tr:active {
    background-color: #e9ecef;
}