:root {
    --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
    --primary-color: #2563eb;
    --active-color: #dc2626;
    --text-color: #334155;
    --bg-color: #ffffff;
    --sidebar-bg: #f8fafc;
    --badge-bg: #eff6ff;
    --badge-color: #1d4ed8;
    --date-color: #64748b;
    --border-color: #e2e8f0;
}

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

body {
    font-family: var(--font-family);
    color: var(--text-color);
    background-color: var(--bg-color);
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 사이드바 스타일 */
.sidebar {
    width: 280px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    padding: 20px;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 1000;
    transition: transform 0.25s ease;
}

.sidebar.collapsed {
    transform: translateX(-280px);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.sidebar-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #64748b;
}

.filter-group {
    margin-bottom: 16px;
}

.filter-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: #475569;
}

.filter-group input[type="text"],
.filter-group input[type="password"],
.filter-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.88rem;
    outline: none;
}

.radio-group label {
    display: block;
    font-weight: normal;
    margin-bottom: 4px;
    cursor: pointer;
}

.btn-primary {
    width: 100%;
    padding: 8px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 6px;
}

.divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 20px 0;
}

/* 메인 영역 */
.main-container {
    flex: 1;
    margin-left: 280px;
    padding: 16px 28px;
    transition: margin-left 0.25s ease;
    width: calc(100% - 280px);
}

.main-container.expanded {
    margin-left: 0;
    width: 100%;
}

.top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.toggle-btn {
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    color: #1e293b;
}

.status-badge {
    font-size: 0.8rem;
    color: #166534;
    background: #dcfce7;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 600;
}

/* 100% 가로 전면 확장 헤더 박스 */
.header-box {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #ffffff;
    padding: 20px 24px;
    border-radius: 10px;
    margin-bottom: 16px;
    width: 100%;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.header-title {
    font-size: 1.55rem;
    font-weight: 700;
}

.header-desc {
    font-size: 0.88rem;
    color: #94a3b8;
    margin-top: 6px;
}

/* 카테고리 탭 */
.category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 8px;
    margin-bottom: 16px;
}

.tab-btn {
    background: none;
    border: none;
    padding: 8px 14px;
    font-size: 0.92rem;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.15s ease;
}

.tab-btn.active {
    color: var(--active-color);
    border-bottom: 2px solid var(--active-color);
    border-radius: 0;
}

.category-caption {
    font-size: 0.88rem;
    color: #64748b;
    margin-bottom: 14px;
}

/* 뉴스 리스트 */
.news-list-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
}

.article-row {
    display: grid;
    grid-template-columns: 110px 1fr 140px;
    align-items: center;
    gap: 12px;
    padding: 4px 0;
    border-bottom: 1px solid #f1f5f9;
}

.media-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--badge-bg);
    color: var(--badge-color);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    height: 24px;
    white-space: nowrap;
}

.title-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.title-link:hover {
    color: var(--primary-color);
}

.date-span {
    font-size: 0.82rem;
    color: var(--date-color);
    white-space: nowrap;
    text-align: right;
}

/* 순수 미니멀 텍스트 페이지네이션 (버튼 외곽선/배경 100% 없음) */
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.page-link {
    background: none !important;
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
    font-size: 0.95rem;
    font-weight: 500;
    color: #1d4ed8;
    cursor: pointer;
    padding: 2px 6px;
    text-decoration: none;
}

.page-link.active {
    color: var(--active-color) !important; /* 빨간색 강하게 시각화 */
    font-weight: 700 !important;
    text-decoration: underline !important;
}

.page-link:hover {
    color: #2563eb;
}

.page-link.disabled {
    color: #cbd5e1;
    cursor: not-allowed;
}

/* 히든 유틸리티 */
.hidden {
    display: none !important;
}

/* 피드백 폼 */
.feedback-section {
    background: #f8fafc;
    padding: 24px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.btn-submit {
    background: var(--active-color);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
}