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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* 헤더 */
.header {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    text-align: center;
    margin-bottom: 30px;
}

.header h1 {
    color: #667eea;
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.subtitle {
    color: #666;
    font-size: 1.1rem;
}

/* 통계 대시보드 */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card h3 {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: #667eea;
}

.stat-open {
    color: #10b981;
}

.stat-closed {
    color: #ef4444;
}

/* 검색 섹션 */
.search-section {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    margin-bottom: 30px;
}

.search-section h2 {
    color: #667eea;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-group.full-width {
    grid-column: 1 / -1;
}

.filter-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #555;
    font-size: 0.95rem;
}

.form-control {
    padding: 12px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
}

/* 버튼 그룹 */
.button-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.back-btn {
    background: rgba(102, 126, 234, 0.2);
    color: #667eea;
    border: 1px solid rgba(102, 126, 234, 0.3);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
    font-weight: 500;
}

.back-btn:hover {
    background: rgba(102, 126, 234, 0.3);
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background: #4b5563;
}

.btn-success {
    background: #10b981;
    color: white;
}

.btn-success:hover {
    background: #059669;
}

/* 로딩 */
.loading {
    text-align: center;
    padding: 40px;
    background: white;
    border-radius: 12px;
    margin-bottom: 30px;
}

.spinner {
    border: 4px solid #f3f4f6;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 결과 섹션 */
.results-section {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    margin-bottom: 30px;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.results-header h2 {
    color: #667eea;
    font-size: 1.5rem;
}

.result-count {
    color: #666;
    font-size: 1rem;
}

.results-container {
    display: grid;
    gap: 20px;
}

/* 공고 카드 */
.notice-card {
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 25px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.notice-card:hover {
    border-color: #667eea;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.2);
    transform: translateY(-3px);
}

.notice-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 15px;
}

.notice-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: #1f2937;
    margin-bottom: 8px;
    flex: 1;
}

.notice-number {
    font-size: 0.85rem;
    color: #6b7280;
    margin-bottom: 5px;
}

.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-open {
    background: #d1fae5;
    color: #065f46;
}

.badge-closed {
    background: #fee2e2;
    color: #991b1b;
}

.badge-type {
    background: #e0e7ff;
    color: #3730a3;
    margin-right: 8px;
}

.badge-region {
    background: #fef3c7;
    color: #92400e;
}

.notice-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

/* 상세보기 전용 2칸럼 레이아웃 */
.detail-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 15px;
}

.info-item {
    display: flex;
    flex-direction: column;
}

.info-label {
    font-size: 0.85rem;
    color: #6b7280;
    margin-bottom: 4px;
}

.info-value {
    font-weight: 600;
    color: #1f2937;
}

.notice-footer {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.organization {
    color: #667eea;
    font-weight: 600;
}

/* 페이지네이션 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.page-btn {
    padding: 10px 15px;
    border: 2px solid #e5e7eb;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.page-btn:hover {
    border-color: #667eea;
    color: #667eea;
}

.page-btn.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

/* 탭 */
.tabs {
    display: flex;
    gap: 10px;
    margin: 10px 0 20px;
}

.tab-btn {
    padding: 10px 16px;
    border: 1px solid #e5e7eb;
    background: #f9fafb;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 600;
    color: #4b5563;
    transition: all 0.2s ease;
}

.tab-btn span {
    margin-left: 6px;
    color: #6b7280;
    font-weight: 500;
}

.tab-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}

.tab-btn.active span {
    color: #e0e7ff;
}

/* 모달 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.6);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 15px;
    width: 90%;
    max-width: 900px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close {
    color: #aaa;
    float: right;
    font-size: 32px;
    font-weight: bold;
    padding: 20px;
    cursor: pointer;
}

.close:hover {
    color: #000;
}

.detail-header {
    padding: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px 15px 0 0;
}

.detail-body {
    padding: 30px;
}

.detail-section {
    margin-bottom: 25px;
}

.detail-section h3 {
    color: #667eea;
    margin-bottom: 15px;
    font-size: 1.2rem;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 10px;
}

.attachment-list {
    list-style: none;
}

.attachment-item {
    padding: 12px;
    background: #f9fafb;
    margin-bottom: 10px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.attachment-item a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.attachment-item a:hover {
    text-decoration: underline;
}

/* 푸터 */
.footer {
    background: white;
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    margin-top: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.footer p {
    margin: 5px 0;
    color: #666;
}

.notice {
    font-size: 0.9rem;
    color: #ef4444;
    margin-top: 10px;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.8rem;
    }
    
    .filter-row {
        grid-template-columns: 1fr;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .notice-info {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
}

/* 비어있는 상태 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #6b7280;
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.empty-state h3 {
    color: #374151;
    margin-bottom: 10px;
}

/* 모달 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: white;
    margin: 15% auto;
    padding: 30px;
    border-radius: 15px;
    width: 500px;
    max-width: 90%;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.modal-content h3 {
    color: #667eea;
    margin-bottom: 20px;
    font-size: 1.5rem;
}