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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f5f5f5;
    color: #333;
}

/* 네비게이션 바 */
.navbar {
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 0 20px;
}

.navbar-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.navbar-brand {
    font-size: 20px;
    font-weight: 700;
    color: #667eea;
    text-decoration: none;
}

.navbar-brand:hover {
    color: #5568d3;
}

.navbar-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* 컨테이너 */
.container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

/* 페이지 헤더 */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-header h1 {
    font-size: 28px;
    color: #333;
}

/* 카드 */
.content-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    color: inherit;
    display: block;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.card-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.card h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 10px;
}

.card p {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

/* 버튼 */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    transition: background 0.2s;
}

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

.btn-primary:hover {
    background: #5568d3;
}

.btn-secondary {
    background: #e0e0e0;
    color: #333;
}

.btn-secondary:hover {
    background: #d0d0d0;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #218838;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-small {
    padding: 6px 12px;
    font-size: 13px;
}

/* 폼 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #666;
    font-size: 12px;
}

/* 테이블 */
table {
    width: 100%;
    border-collapse: collapse;
}

table thead {
    background: #f8f9fa;
}

table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: #333;
    border-bottom: 2px solid #dee2e6;
}

table td {
    padding: 12px;
    border-bottom: 1px solid #dee2e6;
    color: #666;
}

table tbody tr:hover {
    background: #f8f9fa;
}

/* 알림 메시지 */
.alert {
    padding: 12px 16px;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

.alert-success {
    background: #efe;
    color: #3c3;
    border: 1px solid #cfc;
}

.alert-info {
    background: #e7f3ff;
    color: #0066cc;
    border: 1px solid #b3d9ff;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

/* 링크 */
.link-detail {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.link-detail:hover {
    text-decoration: underline;
}

/* 상태 뱃지 */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-pending {
    background: #fff3cd;
    color: #856404;
}

.badge-clear {
    background: #d4edda;
    color: #155724;
}

.badge-flagged {
    background: #f8d7da;
    color: #721c24;
}

/* 빈 상태 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

/* 섹션 */
.section {
    margin-bottom: 30px;
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e0e0e0;
}

/* 정보 그리드 */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.info-item {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 5px;
}

.info-item-label {
    font-size: 12px;
    color: #666;
    margin-bottom: 5px;
}

.info-item-value {
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

/* 로딩 */
.loading {
    text-align: center;
    padding: 40px;
    color: #666;
}

.loading::after {
    content: "...";
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: "."; }
    40% { content: ".."; }
    60%, 100% { content: "..."; }
}

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

.text-right {
    text-align: right;
}

.mt-10 {
    margin-top: 10px;
}

.mt-20 {
    margin-top: 20px;
}

.mb-10 {
    margin-bottom: 10px;
}

.mb-20 {
    margin-bottom: 20px;
}

.hidden {
    display: none !important;
}