/* 
 * CH_SCH 주일학교 관리 시스템 - 공통 스타일
 * 모든 페이지에서 공통으로 사용되는 스타일 정의
 */

/* CSS 변수 정의 */
:root {
    --primary-color: #dd4814;
    --primary-dark: #b8380f;
    --primary-light: #e8672f;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    
    --sidebar-width: 250px;
    --header-height: 60px;
    
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --box-shadow-lg: 0 4px 20px rgba(0,0,0,0.15);
    
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 14px;
    --font-size-sm: 12px;
    --font-size-lg: 16px;
    --font-size-xl: 18px;
}

/* 기본 스타일 */
* {
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    position: relative;
}

/* 링크 스타일 */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* 버튼 공통 스타일 */
.btn {
    display: inline-block;
    padding: 8px 16px;
    font-size: var(--font-size-base);
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: white;
}

.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
    color: white;
}

.btn-outline-primary {
    background-color: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

/* 폼 요소 스타일 */
.form-control {
    display: block;
    width: 100%;
    padding: 8px 12px;
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--dark-color);
    background-color: white;
    border: 1px solid #ced4da;
    border-radius: var(--border-radius);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(221, 72, 20, 0.25);
}

.form-label {
    display: inline-block;
    margin-bottom: 4px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-label.required::after {
    content: ' *';
    color: var(--danger-color);
}

/* 카드 스타일 */
.card {
    background-color: white;
    border: 1px solid rgba(0,0,0,0.125);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 1rem 1.25rem;
    background-color: rgba(0,0,0,0.03);
    border-bottom: 1px solid rgba(0,0,0,0.125);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.card-body {
    padding: 1.25rem;
}

.card-title {
    margin-bottom: 0.75rem;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dark-color);
}

/* 테이블 스타일 */
.table {
    width: 100%;
    margin-bottom: 1rem;
    background-color: transparent;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.75rem;
    vertical-align: top;
    border-top: 1px solid #dee2e6;
}

.table thead th {
    vertical-align: bottom;
    border-bottom: 2px solid #dee2e6;
    background-color: var(--light-color);
    font-weight: 600;
    color: var(--dark-color);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0,0,0,0.05);
}

.table-hover tbody tr:hover {
    background-color: rgba(0,0,0,0.075);
}

/* 배지 스타일 */
.badge {
    display: inline-block;
    padding: 0.25em 0.6em;
    font-size: 0.75em;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.375rem;
}

.badge-primary {
    background-color: var(--primary-color);
    color: white;
}

.badge-success {
    background-color: var(--success-color);
    color: white;
}

.badge-danger {
    background-color: var(--danger-color);
    color: white;
}

.badge-warning {
    background-color: var(--warning-color);
    color: var(--dark-color);
}

.badge-info {
    background-color: var(--info-color);
    color: white;
}

.badge-secondary {
    background-color: var(--secondary-color);
    color: white;
}

/* 알림 스타일 */
.alert {
    position: relative;
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeaa7;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

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

.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-info { color: var(--info-color) !important; }
.text-muted { color: #6c757d !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-light { background-color: var(--light-color) !important; }
.bg-white { background-color: white !important; }

.d-none { display: none !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-flex { display: flex !important; }

.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.align-items-center { align-items: center !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: 0.25rem !important; }
.p-2 { padding: 0.5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.p-5 { padding: 3rem !important; }

.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }

/* 검색 및 필터 섹션 */
.search-filter-section {
    background: white;
    padding: 1.25rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    margin-bottom: 1.5rem;
}

/* 검색 입력 그룹 */
.search-input-group {
    position: relative;
    width: 100%;
}

.search-input-group .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--secondary-color);
    font-size: 0.95rem;
    z-index: 5;
}

.search-input-group .form-control {
    padding-left: 38px;
    border-radius: var(--border-radius);
    border: 1px solid #dee2e6;
    height: 38px;
    font-size: 0.9rem;
}

.search-input-group .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(221, 72, 20, 0.15);
}

/* 필터 그룹 */
.filter-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-group .filter-select {
    flex: 1;
    min-width: 120px;
    height: 38px;
    font-size: 0.875rem;
    border-radius: var(--border-radius);
    border: 1px solid #dee2e6;
}

.filter-group .filter-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(221, 72, 20, 0.15);
}

/* 필터 액션 */
.filter-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    justify-content: flex-end;
}

.filter-actions .btn {
    height: 38px;
    width: 38px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
}

.filter-actions .total-count {
    font-size: 0.9rem;
    color: var(--secondary-color);
    white-space: nowrap;
}

.filter-actions .total-count strong {
    color: var(--primary-color);
    font-size: 1.1rem;
}

/* 학생 카드 (모바일) */
.student-cards {
    display: none;
    padding: 1.25rem;
}

.student-card {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: var(--border-radius-lg);
    padding: 1.25rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.student-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.student-card .card-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #f0f0f0;
}

.student-card .card-photo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 1rem;
    object-fit: cover;
    border: 2px solid #e9ecef;
}

.student-card .card-info {
    flex: 1;
}

.student-card .card-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.25rem;
}

.student-card .card-details {
    color: var(--secondary-color);
    font-size: 0.875rem;
}

.student-card .card-body {
    margin-bottom: 1rem;
}

.student-card .card-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.student-card .card-row:last-child {
    margin-bottom: 0;
}

.student-card .card-row > span:first-child {
    color: var(--secondary-color);
    font-weight: 500;
}

.student-card .card-row > span:last-child {
    color: var(--dark-color);
    font-weight: 500;
}

.student-card .card-actions {
    display: flex;
    gap: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid #f0f0f0;
}

.student-card .card-actions .btn {
    flex: 1;
    font-size: 0.85rem;
    padding: 0.5rem;
}

/* 학생 목록 테이블 */
.student-photo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #e9ecef;
}

.student-name {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.student-name:hover {
    text-decoration: underline;
    color: var(--primary-dark);
}

/* 반응형 유틸리티 */
/* Large screens and above (>= 992px) */
@media (min-width: 992px) {
    .d-lg-none { display: none !important; }
    .d-lg-block { display: block !important; }
    .d-lg-inline { display: inline !important; }
    .d-lg-inline-block { display: inline-block !important; }
    .d-lg-flex { display: flex !important; }
}

@media (max-width: 991px) {
    .filter-group {
        width: 100%;
    }

    .filter-group .filter-select {
        min-width: calc(50% - 0.25rem);
    }
}

@media (max-width: 768px) {
    .d-md-none { display: none !important; }
    .d-md-block { display: block !important; }

    .search-filter-section {
        padding: 1rem;
    }

    .filter-actions {
        justify-content: space-between;
        width: 100%;
        margin-top: 0.5rem;
    }

    /* 모바일: 테이블 숨기고 카드 표시 */
    .student-table-container {
        display: none !important;
    }

    .student-cards {
        display: block;
    }

    /* 통계 카드 2열로 */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 페이지네이션 세로 정렬 */
    .pagination-section {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .pagination-section nav {
        width: 100%;
        display: flex;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .d-sm-none { display: none !important; }
    .d-sm-block { display: block !important; }

    .filter-group .filter-select {
        min-width: 100%;
    }

    .search-input-group .form-control {
        font-size: 0.85rem;
    }

    .student-card {
        padding: 1rem;
    }

    .student-card .card-photo {
        width: 45px;
        height: 45px;
    }

    .student-card .card-name {
        font-size: 1rem;
    }

    .student-card .card-actions .btn {
        font-size: 0.8rem;
        padding: 0.4rem 0.3rem;
    }

    /* 통계 카드 1열로 */
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   토스트 메시지 스타일 개선
   ============================================================ */

/* 토스트 컨테이너 위치 조정 */
.toast-container {
    z-index: 9999;
}

/* 에러 토스트 강조 스타일 */
.toast.bg-danger {
    background-color: #dc3545 !important;
    border: 2px solid #b02a37 !important;
    box-shadow: 0 4px 20px rgba(220, 53, 69, 0.4) !important;
    font-weight: 500;
}

.toast.bg-danger .toast-body {
    font-size: 15px;
    padding: 12px 16px;
    line-height: 1.5;
}

/* 성공 토스트 스타일 */
.toast.bg-success {
    background-color: #28a745 !important;
    border: 2px solid #1e7e34 !important;
    box-shadow: 0 4px 20px rgba(40, 167, 69, 0.3) !important;
}

.toast.bg-success .toast-body {
    font-size: 15px;
    padding: 12px 16px;
}

/* 경고 토스트 스타일 */
.toast.bg-warning {
    background-color: #ffc107 !important;
    border: 2px solid #d39e00 !important;
    box-shadow: 0 4px 20px rgba(255, 193, 7, 0.3) !important;
    color: #212529 !important;
}

.toast.bg-warning .toast-body {
    font-size: 15px;
    padding: 12px 16px;
    color: #212529;
}

/* 정보 토스트 스타일 */
.toast.bg-info {
    background-color: #17a2b8 !important;
    border: 2px solid #117a8b !important;
    box-shadow: 0 4px 20px rgba(23, 162, 184, 0.3) !important;
}

.toast.bg-info .toast-body {
    font-size: 15px;
    padding: 12px 16px;
}

/* 토스트 애니메이션 */
.toast {
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 로딩 스피너 스타일 */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9998;
}

.loading-spinner.show {
    display: flex;
}

.loading-spinner .spinner-border {
    width: 3rem;
    height: 3rem;
}

/* ========================================
   Select2 커스텀 스타일
   ======================================== */

/* filter-group 내부의 Select2 컨테이너 - flex 아이템으로 동작 */
.filter-group .select2-container {
    flex: 1 !important;
    min-width: 120px !important;
}

/* Select2 컨테이너 기본 스타일 - Bootstrap form-control과 동일하게 */
.select2-container--bootstrap-5 .select2-selection {
    font-size: 14px !important; /* Bootstrap form-control과 동일한 폰트 크기 */
    min-height: 38px !important; /* Bootstrap form-control의 기본 높이 */
    padding: 0.375rem 0.75rem !important;
}

/* Select2 선택된 항목 텍스트 */
.select2-container--bootstrap-5 .select2-selection--single .select2-selection__rendered {
    font-size: 14px !important;
    line-height: 1.5 !important;
    padding-left: 0 !important;
}

/* Select2 화살표 아이콘 위치 조정 */
.select2-container--bootstrap-5 .select2-selection--single .select2-selection__arrow {
    height: 36px !important;
}

/* Select2 드롭다운 옵션 리스트 */
.select2-container--bootstrap-5 .select2-dropdown {
    font-size: 14px !important;
}

/* Select2 드롭다운 옵션 항목 */
.select2-container--bootstrap-5 .select2-results__option {
    font-size: 14px !important;
    padding: 0.375rem 0.75rem !important;
}

/* Select2 검색 입력창 */
.select2-container--bootstrap-5 .select2-search--dropdown .select2-search__field {
    font-size: 14px !important;
    padding: 0.375rem 0.75rem !important;
}

/* Select2 placeholder 텍스트 */
.select2-container--bootstrap-5 .select2-selection--single .select2-selection__placeholder {
    font-size: 14px !important;
    color: #6c757d !important;
}

/* Select2 폼 크기별 스타일 */
.select2-container--bootstrap-5.select2-container--small .select2-selection {
    font-size: 12px !important;
    min-height: 31px !important;
}

.select2-container--bootstrap-5.select2-container--small .select2-selection--single .select2-selection__rendered {
    font-size: 12px !important;
}