/**
 * PC 화면 최적화: 컴팩트 모드 CSS
 * 넓은 화면에서 최대한의 정보를 제공하기 위한 스타일
 */

/* ============================================================================
   1. CSS 변수 정의 (PC 최적화)
   ============================================================================ */
:root {
    /* 여백 최소화 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;

    /* 폰트 크기 축소 */
    --font-xs: 0.7rem;      /* 11.2px */
    --font-sm: 0.75rem;     /* 12px */
    --font-base: 0.8rem;    /* 12.8px */
    --font-md: 0.85rem;     /* 13.6px */
    --font-lg: 0.9rem;      /* 14.4px */
    --font-xl: 1rem;        /* 16px */
    --font-2xl: 1.1rem;     /* 17.6px */

    /* 컴포넌트 높이 최적화 */
    --header-height: 50px;
    --nav-height: 40px;
    --filter-height: 45px;
    --footer-height: 30px;

    /* 라인 높이 축소 */
    --line-height-tight: 1.2;
    --line-height-base: 1.4;
    --line-height-relaxed: 1.6;

    /* 카드 패딩 최소화 */
    --card-padding: 10px;
    --card-radius: 6px;
}

/* 1920px 이상 화면 전용 (FHD) */
@media (min-width: 1920px) {
    :root {
        --font-xs: 0.65rem;      /* 10.4px */
        --font-sm: 0.7rem;       /* 11.2px */
        --font-base: 0.75rem;    /* 12px */
    }
}

/* 2560px 이상 화면 (WQHD) */
@media (min-width: 2560px) {
    :root {
        --font-xs: 0.7rem;
        --font-sm: 0.75rem;
        --font-base: 0.8rem;
    }
}


/* ============================================================================
   2. 그리드 레이아웃 시스템
   ============================================================================ */

/* 12 컬럼 그리드 */
.grid-container {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-md);
    width: 100%;
    height: calc(100vh - var(--header-height) - var(--nav-height) - var(--footer-height));
    padding: var(--spacing-md);
    overflow: hidden;
}

/* 그리드 컬럼 스팬 */
.col-1 { grid-column: span 1; }
.col-2 { grid-column: span 2; }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-10 { grid-column: span 10; }
.col-11 { grid-column: span 11; }
.col-12 { grid-column: span 12; }

/* 행 스팬 */
.row-1 { grid-row: span 1; }
.row-2 { grid-row: span 2; }
.row-3 { grid-row: span 3; }
.row-4 { grid-row: span 4; }


/* ============================================================================
   3. 패널 컴포넌트
   ============================================================================ */

.panel {
    background: linear-gradient(135deg, rgba(45, 55, 72, 0.6) 0%, rgba(26, 32, 44, 0.6) 100%);
    border: 1px solid rgba(74, 74, 74, 0.3);
    border-radius: var(--card-radius);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.panel-header {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid rgba(74, 74, 74, 0.3);
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 40px;
    flex-shrink: 0;
    background: rgba(0, 0, 0, 0.2);
}

.panel-title {
    font-size: var(--font-md);
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.panel-actions {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.panel-body {
    padding: var(--spacing-md);
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

/* 스크롤 가능한 패널 */
.panel-scrollable {
    overflow-y: auto;
    overflow-x: hidden;
    height: 100%;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.3) rgba(0, 0, 0, 0.1);
}

.panel-scrollable::-webkit-scrollbar {
    width: 6px;
}

.panel-scrollable::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

.panel-scrollbar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.panel-scrollable::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}


/* ============================================================================
   4. 버튼 컴포넌트
   ============================================================================ */

/* 아이콘 버튼 */
.btn-icon {
    width: 28px;
    height: 28px;
    padding: 0;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-sm);
    transition: all 0.2s ease;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* 작은 버튼 */
.btn-sm {
    padding: 4px 8px;
    font-size: var(--font-sm);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-sm:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

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

.btn-sm.btn-primary:hover {
    background: #1976D2;
}

/* 액션 버튼 (작은) */
.btn-action-sm {
    padding: 4px 8px;
    font-size: 0.65rem;
    background: var(--primary-color);
    border: none;
    border-radius: 3px;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-action-sm:hover {
    background: #1976D2;
    transform: translateY(-1px);
}


/* ============================================================================
   5. 입력 컴포넌트
   ============================================================================ */

/* 작은 셀렉트 */
.select-sm {
    padding: 4px 8px;
    font-size: var(--font-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    max-width: 150px;
}

.select-sm:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* select option 스타일 (dark mode) */
.select-sm option {
    background: #1e1e2e;
    color: #e0e0e0;
    padding: 8px;
}

/* 작은 검색 입력 */
.search-input-sm {
    padding: 4px 8px;
    font-size: var(--font-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--text-primary);
    width: 200px;
}

.search-input-sm:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
}

.search-input-sm::placeholder {
    color: var(--text-secondary);
    font-size: 0.7rem;
}


/* ============================================================================
   6. 컴팩트 모드
   ============================================================================ */

.compact-mode {
    padding: var(--spacing-sm);
    margin: var(--spacing-xs);
    line-height: var(--line-height-tight);
}

.compact-mode .stat-label,
.compact-mode .kpi-label {
    font-size: var(--font-xs);
    margin-bottom: 2px;
    color: var(--text-secondary);
}

.compact-mode .stat-value,
.compact-mode .kpi-value {
    font-size: var(--font-md);
    font-weight: 600;
    color: var(--text-primary);
}


/* ============================================================================
   7. 통계 카드 그리드
   ============================================================================ */

/* 통계 그리드 (4x3) */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    padding: 6px;
    text-align: center;
    transition: all 0.2s ease;
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.stat-card .stat-label {
    font-size: 0.65rem;
    color: var(--text-secondary);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stat-card .stat-value {
    font-size: 1rem;
    font-weight: bold;
    color: var(--text-primary);
}

/* 등급별 색상 */
.stat-card.critical { border-left: 3px solid #ff4444; }
.stat-card.high { border-left: 3px solid #ff9800; }
.stat-card.medium { border-left: 3px solid #ffd54f; }
.stat-card.low { border-left: 3px solid #4caf50; }
.stat-card.success .stat-value { color: #4caf50; }
.stat-card.warning .stat-value { color: #ff9800; }


/* ============================================================================
   8. 건강도 필터 (컴팩트)
   ============================================================================ */

.health-filter-compact {
    display: flex;
    gap: 4px;
}

.filter-btn-sm {
    padding: 4px 8px;
    font-size: 0.7rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 4px;
}

.filter-btn-sm:hover {
    background: rgba(255, 255, 255, 0.1);
}

.filter-btn-sm.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

.filter-btn-sm.filter-critical.active {
    background: #ff4444;
    border-color: #ff4444;
}

.filter-btn-sm.filter-high.active {
    background: #ff9800;
    border-color: #ff9800;
}

.filter-btn-sm.filter-medium.active {
    background: #ffd54f;
    border-color: #ffd54f;
    color: #333;
}

.filter-btn-sm.filter-low.active {
    background: #4caf50;
    border-color: #4caf50;
}

.filter-btn-sm .badge {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    padding: 2px 6px;
    font-size: 0.65rem;
    font-weight: bold;
}


/* ============================================================================
   9. 테이블 컴팩트
   ============================================================================ */

.table-compact {
    font-size: 0.7rem;
    width: 100%;
    border-collapse: collapse;
}

.table-compact thead {
    position: sticky;
    top: 0;
    background: rgba(26, 32, 44, 0.95);
    z-index: 10;
}

.table-compact th {
    padding: 6px 8px;
    text-align: left;
    font-weight: 600;
    font-size: 0.65rem;
    text-transform: uppercase;
    border-bottom: 2px solid rgba(74, 74, 74, 0.5);
    white-space: nowrap;
    color: var(--text-secondary);
}

.table-compact td {
    padding: 4px 8px;
    border-bottom: 1px solid rgba(74, 74, 74, 0.2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.table-compact tbody tr:hover {
    background: rgba(33, 150, 243, 0.1);
}


/* ============================================================================
   10. KPI 미니 카드
   ============================================================================ */

.kpi-summary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
}

.kpi-mini-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    padding: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.kpi-mini-card:hover {
    border-color: var(--primary-color);
    background: rgba(33, 150, 243, 0.05);
}

.kpi-mini-card.warning {
    border-left: 3px solid #ff9800;
}

.kpi-icon {
    width: 36px;
    height: 36px;
    background: rgba(33, 150, 243, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.kpi-info {
    flex: 1;
    min-width: 0;
}

.kpi-label {
    font-size: 0.65rem;
    color: var(--text-secondary);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.kpi-value {
    font-size: 1rem;
    font-weight: bold;
    color: var(--text-primary);
}

.kpi-trend,
.kpi-status {
    font-size: 0.65rem;
    margin-top: 2px;
}

.kpi-trend.up {
    color: #4caf50;
}

.kpi-trend.down {
    color: #ff4444;
}


/* ============================================================================
   11. 페이지네이션 컴팩트
   ============================================================================ */

.pagination-compact {
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(74, 74, 74, 0.3);
}

.page-btn {
    width: 32px;
    height: 32px;
    padding: 0;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.7rem;
    transition: all 0.2s ease;
}

.page-btn:hover:not(:disabled) {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.page-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.page-info {
    font-size: 0.7rem;
    color: var(--text-secondary);
}


/* ============================================================================
   12. 탭 네비게이션
   ============================================================================ */

.tab-nav {
    display: flex;
    gap: 2px;
    padding: 0 var(--spacing-md);
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(74, 74, 74, 0.3);
}

.tab-btn {
    padding: 8px 16px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: var(--font-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
}

.tab-content {
    display: none;
    height: 100%;
}

.tab-content.active {
    display: block;
}


/* ============================================================================
   13. 유틸리티 클래스
   ============================================================================ */

/* 폰트 크기 */
.text-xs { font-size: var(--font-xs) !important; }
.text-sm { font-size: var(--font-sm) !important; }
.text-base { font-size: var(--font-base) !important; }
.text-md { font-size: var(--font-md) !important; }
.text-lg { font-size: var(--font-lg) !important; }
.text-xl { font-size: var(--font-xl) !important; }
.text-2xl { font-size: var(--font-2xl) !important; }

/* 색상 */
.text-success { color: #4caf50 !important; }
.text-warning { color: #ff9800 !important; }
.text-danger { color: #ff4444 !important; }
.text-muted { color: var(--text-secondary) !important; }

/* 여백 */
.p-0 { padding: 0 !important; }
.p-xs { padding: var(--spacing-xs) !important; }
.p-sm { padding: var(--spacing-sm) !important; }
.p-md { padding: var(--spacing-md) !important; }

.m-0 { margin: 0 !important; }
.m-xs { margin: var(--spacing-xs) !important; }
.m-sm { margin: var(--spacing-sm) !important; }
.m-md { margin: var(--spacing-md) !important; }

/* 라인 높이 */
.leading-tight { line-height: var(--line-height-tight) !important; }
.leading-base { line-height: var(--line-height-base) !important; }
.leading-relaxed { line-height: var(--line-height-relaxed) !important; }

/* 공간 절약 모드 */
.space-saver {
    padding: var(--spacing-xs);
    margin: var(--spacing-xs);
    font-size: var(--font-sm);
    line-height: var(--line-height-tight);
}

/* 업데이트 시간 */
.update-time {
    font-size: 0.65rem;
    color: var(--text-secondary);
}