:root {
    --bg: #f5f7fa;
    --surface: #ffffff;
    --surface-hover: #f0f2f5;
    --border: #e1e4e8;
    --text: #333333;
    --text-dim: #888888;
    --accent: #ff9900;
    --accent-glow: rgba(255, 153, 0, 0.12);
    --accent-text: #232f3e;
    --danger: #dc3545;
    --danger-bg: #ffeef0;
    --green: #28a745;
    --green-bg: #e6ffed;
    --orange: #e36209;
    --orange-bg: #fff5e6;
    --radius: 10px;
    --transition: 200ms ease-out;
}

[data-theme="dark"] {
    --bg: #0f1117;
    --surface: #1a1d27;
    --surface-hover: #1f2333;
    --border: #2a2d3a;
    --text: #e1e4ed;
    --text-dim: #8b8fa3;
    --accent: #ff9900;
    --accent-glow: rgba(255, 153, 0, 0.12);
    --accent-text: #ffffff;
    --danger: #ff6c8c;
    --danger-bg: rgba(255, 108, 140, 0.12);
    --green: #4ade80;
    --green-bg: rgba(74, 222, 128, 0.12);
    --orange: #fb923c;
    --orange-bg: rgba(251, 146, 60, 0.12);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background-color var(--transition), color var(--transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    background: var(--surface);
    border-radius: 16px;
    border: 1px solid var(--border);
    margin-bottom: 24px;
    transition: background var(--transition), border-color var(--transition);
}

header h1 {
    font-size: 1.6rem;
    color: var(--text);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.health-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--surface-hover);
    border-radius: 24px;
    font-size: 0.88rem;
    color: var(--text-dim);
    transition: background var(--transition), color var(--transition);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-dim);
    transition: background 0.3s ease;
}

.status-indicator.healthy {
    background: var(--green);
    box-shadow: 0 0 6px rgba(40, 167, 69, 0.4);
}

[data-theme="dark"] .status-indicator.healthy {
    box-shadow: 0 0 6px rgba(74, 222, 128, 0.4);
}

.status-indicator.error {
    background: var(--danger);
    box-shadow: 0 0 6px rgba(220, 53, 69, 0.4);
}

/* Theme Toggle */
.theme-toggle {
    width: 38px;
    height: 38px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-hover);
    color: var(--text-dim);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transition);
}

.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    display: none;
}

.theme-toggle .icon-sun {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: block;
}

/* Tabs — bottom border line style */
.tabs {
    display: flex;
    gap: 0;
    margin-bottom: 0;
    padding: 0;
    border-bottom: 1px solid var(--border);
}

.tab {
    padding: 12px 28px;
    border: none;
    background: transparent;
    color: var(--text-dim);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition);
    margin-bottom: -1px;
}

.tab:hover {
    color: var(--text);
}

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

/* Tab Content */
.tab-content {
    display: none;
    background: var(--surface);
    padding: 28px;
    border-radius: 0 0 16px 16px;
    border: 1px solid var(--border);
    border-top: none;
    transition: background var(--transition), border-color var(--transition);
    animation: fadeIn 0.2s ease-out;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Filters */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

#refreshEvents,
#refreshResources {
    margin-left: auto;
}

.date-toggle-row {
    margin-bottom: 24px;
}

.btn-date-toggle {
    padding: 6px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-hover);
    color: var(--text-dim);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-date-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.events-date-range {
    display: none;
    gap: 12px;
    align-items: flex-end;
    margin-top: 12px;
}

.events-date-range.open {
    display: flex;
}

.events-date-range input[type="datetime-local"] {
    padding: 8px 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.85rem;
    background: var(--surface-hover);
    color: var(--text);
    transition: all var(--transition);
}

.events-date-range input[type="datetime-local"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.filter-group label {
    font-size: 0.82rem;
    color: var(--text-dim);
    font-weight: 500;
}

.filter-group input,
.filter-group select {
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.92rem;
    min-width: 180px;
    background: var(--surface-hover);
    transition: all var(--transition);
    color: var(--text);
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: var(--surface);
}

.filter-group input::placeholder {
    color: var(--text-dim);
}

/* Buttons */
.btn {
    padding: 10px 22px;
    border: none;
    border-radius: var(--radius);
    font-size: 0.92rem;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-primary {
    background: var(--accent);
    color: var(--accent-text);
    font-weight: 600;
    box-shadow: 0 2px 8px var(--accent-glow);
}

.btn-primary:hover {
    filter: brightness(1.1);
    box-shadow: 0 4px 14px var(--accent-glow);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 1px 4px var(--accent-glow);
}

.btn-secondary {
    background: var(--surface-hover);
    color: var(--text-dim);
    border: 1.5px solid var(--border);
    font-weight: 500;
}

.btn-secondary:hover {
    border-color: var(--text-dim);
    color: var(--text);
}

.btn-danger {
    background: var(--danger-bg);
    color: var(--danger);
    font-weight: 600;
}

.btn-danger:hover {
    background: var(--danger);
    color: #fff;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.82rem;
    border-radius: 8px;
}

.btn-icon {
    width: 38px;
    height: 38px;
    padding: 0;
    background: var(--surface-hover);
    border: 1.5px solid var(--border);
    color: var(--text-dim);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

/* Results */
.results {
    min-height: 200px;
}

.placeholder {
    text-align: center;
    color: var(--text-dim);
    padding: 60px 20px;
    font-size: 0.95rem;
}

/* Resources Layout (grid + side panel) */
.resources-layout {
    display: flex;
    gap: 0;
    align-items: flex-start;
    position: relative;
}

.resources-layout .results {
    flex: 1;
    min-width: 0;
    transition: flex var(--transition);
}

/* Resource Group Grid — 기본 1열, 넓은 화면에서 2열 */
.resource-group-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 960px) {
    .resource-group-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.panel-open .resource-group-grid {
    grid-template-columns: 1fr;
}

.resource-group-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    transition: border-color var(--transition);
}

.resource-group-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 18px 14px;
    border-bottom: 1px solid var(--border);
    background: var(--surface-hover);
}

.resource-group-name {
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--text);
    letter-spacing: -0.02em;
    flex: 1;
}

.resource-group-total {
    background: var(--accent);
    color: var(--accent-text);
    font-size: 1.1rem;
    font-weight: 800;
    padding: 4px 14px;
    border-radius: 14px;
    line-height: 1.4;
}

/* 서비스 서브카드 */
.resource-service-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}

.resource-service-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 18px;
    border-radius: 10px;
    border: 1.5px solid var(--border);
    background: var(--surface-hover);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition), transform var(--transition);
    min-width: 64px;
}

.resource-service-card:hover {
    border-color: var(--accent);
    background: var(--accent-glow);
    transform: translateY(-1px);
}

.resource-service-card.active {
    border-color: var(--accent);
    background: var(--accent-glow);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.resource-service-card-name {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-dim);
    letter-spacing: 0.04em;
}

.resource-service-card.active .resource-service-card-name {
    color: var(--accent);
}

.resource-service-card-count {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1;
}

.resource-service-card.active .resource-service-card-count {
    color: var(--accent);
}

/* 서비스별 카드 색상 */
.service-card-ec2 { border-color: rgba(255, 153, 0, 0.3); }
.service-card-ec2:hover, .service-card-ec2.active { border-color: #ff9900; background: rgba(255, 153, 0, 0.12); box-shadow: 0 0 0 3px rgba(255, 153, 0, 0.12); }
.service-card-ec2.active .resource-service-card-name,
.service-card-ec2.active .resource-service-card-count { color: #ff9900; }

.service-card-rds { border-color: rgba(99, 102, 241, 0.3); }
.service-card-rds:hover, .service-card-rds.active { border-color: #818cf8; background: rgba(99, 102, 241, 0.12); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12); }
.service-card-rds.active .resource-service-card-name,
.service-card-rds.active .resource-service-card-count { color: #818cf8; }

.service-card-s3 { border-color: rgba(74, 222, 128, 0.3); }
.service-card-s3:hover, .service-card-s3.active { border-color: var(--green); background: var(--green-bg); box-shadow: 0 0 0 3px var(--green-bg); }
.service-card-s3.active .resource-service-card-name,
.service-card-s3.active .resource-service-card-count { color: var(--green); }

.service-card-iam { border-color: rgba(155, 89, 182, 0.3); }
.service-card-iam:hover, .service-card-iam.active { border-color: #b07cc6; background: rgba(155, 89, 182, 0.12); box-shadow: 0 0 0 3px rgba(155, 89, 182, 0.12); }
.service-card-iam.active .resource-service-card-name,
.service-card-iam.active .resource-service-card-count { color: #b07cc6; }

.service-card-lambda { border-color: rgba(255, 153, 0, 0.3); }
.service-card-lambda:hover, .service-card-lambda.active { border-color: #ff9900; background: rgba(255, 153, 0, 0.12); box-shadow: 0 0 0 3px rgba(255, 153, 0, 0.12); }
.service-card-lambda.active .resource-service-card-name,
.service-card-lambda.active .resource-service-card-count { color: #ff9900; }

.service-card-cloud9 { border-color: rgba(108, 140, 255, 0.3); }
.service-card-cloud9:hover, .service-card-cloud9.active { border-color: #6c8cff; background: rgba(13, 110, 253, 0.1); box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1); }
.service-card-cloud9.active .resource-service-card-name,
.service-card-cloud9.active .resource-service-card-count { color: #6c8cff; }

.service-card-dynamodb { border-color: rgba(99, 102, 241, 0.3); }
.service-card-dynamodb:hover, .service-card-dynamodb.active { border-color: #818cf8; background: rgba(99, 102, 241, 0.12); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12); }
.service-card-dynamodb.active .resource-service-card-name,
.service-card-dynamodb.active .resource-service-card-count { color: #818cf8; }

.service-card-sns, .service-card-sqs { border-color: rgba(244, 114, 182, 0.3); }
.service-card-sns:hover, .service-card-sns.active,
.service-card-sqs:hover, .service-card-sqs.active { border-color: #f472b6; background: rgba(244, 114, 182, 0.12); box-shadow: 0 0 0 3px rgba(244, 114, 182, 0.12); }
.service-card-sns.active .resource-service-card-name,
.service-card-sns.active .resource-service-card-count,
.service-card-sqs.active .resource-service-card-name,
.service-card-sqs.active .resource-service-card-count { color: #f472b6; }

/* 리소스 리스트 */
.resource-group-list {
    padding: 4px 0;
}

.resource-group-list:empty {
    display: none;
}

.resource-group-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 16px;
    cursor: pointer;
    transition: background var(--transition);
    gap: 12px;
    border-bottom: 1px solid var(--border);
}

.resource-group-row:last-of-type {
    border-bottom: none;
}

.resource-group-row:hover {
    background: var(--accent-glow);
}

.resource-group-row-left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
}

.resource-group-row-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.resource-group-modified-by {
    font-size: 0.78rem;
    color: var(--text-dim);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.resource-group-time {
    font-size: 0.78rem;
    color: var(--text-dim);
    white-space: nowrap;
}

.resource-group-more {
    display: block;
    width: calc(100% - 32px);
    margin: 6px 16px 8px;
    padding: 7px;
    background: none;
    border: 1px dashed var(--border);
    border-radius: 8px;
    color: var(--text-dim);
    font-size: 0.82rem;
    cursor: pointer;
    text-align: center;
    transition: border-color var(--transition), color var(--transition);
}

.resource-group-more:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Resource Side Panel */
.resource-panel {
    width: 0;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--surface);
    border-left: 0px solid var(--border);
    border-radius: 0 14px 14px 0;
    display: flex;
    flex-direction: column;
    transition: width 250ms ease, border-left-width 250ms ease;
    max-height: calc(100vh - 160px);
}

.resource-panel.open {
    width: 380px;
    border-left-width: 1px;
}

.resource-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px 12px;
    border-bottom: 1px solid var(--border);
    background: var(--surface-hover);
    flex-shrink: 0;
}

.resource-panel-title {
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.resource-panel-close {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 1rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    flex-shrink: 0;
    transition: background var(--transition), color var(--transition);
}

.resource-panel-close:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

/* 서비스 탭 */
.resource-panel-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.panel-tab {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 20px;
    border: 1.5px solid var(--border);
    background: var(--surface-hover);
    color: var(--text-dim);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.panel-tab:hover {
    border-color: var(--accent);
    color: var(--text);
}

.panel-tab.active {
    border-color: var(--accent);
    background: var(--accent-glow);
    color: var(--accent);
}

.panel-tab-count {
    background: var(--border);
    border-radius: 10px;
    padding: 0 6px;
    font-size: 0.72rem;
}

.panel-tab.active .panel-tab-count {
    background: var(--accent);
    color: var(--accent-text);
}

/* 서비스별 탭 색상 */
.panel-tab.service-tab-ec2.active  { border-color: #ff9900; background: rgba(255,153,0,0.12); color: #ff9900; }
.panel-tab.service-tab-ec2.active .panel-tab-count { background: #ff9900; color: #fff; }
.panel-tab.service-tab-rds.active  { border-color: #818cf8; background: rgba(99,102,241,0.12); color: #818cf8; }
.panel-tab.service-tab-rds.active .panel-tab-count { background: #818cf8; color: #fff; }
.panel-tab.service-tab-s3.active   { border-color: var(--green); background: var(--green-bg); color: var(--green); }
.panel-tab.service-tab-s3.active .panel-tab-count { background: var(--green); color: #fff; }
.panel-tab.service-tab-cloud9.active { border-color: #6c8cff; background: rgba(13,110,253,0.1); color: #6c8cff; }
.panel-tab.service-tab-cloud9.active .panel-tab-count { background: #6c8cff; color: #fff; }
.panel-tab.service-tab-dynamodb.active { border-color: #818cf8; background: rgba(99,102,241,0.12); color: #818cf8; }
.panel-tab.service-tab-dynamodb.active .panel-tab-count { background: #818cf8; color: #fff; }
.panel-tab.service-tab-sns.active, .panel-tab.service-tab-sqs.active { border-color: #f472b6; background: rgba(244,114,182,0.12); color: #f472b6; }
.panel-tab.service-tab-sns.active .panel-tab-count, .panel-tab.service-tab-sqs.active .panel-tab-count { background: #f472b6; color: #fff; }

/* 패널 본문 */
.resource-panel-body {
    overflow-y: auto;
    flex: 1;
    padding: 4px 0;
}

.panel-resource-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    cursor: pointer;
    gap: 10px;
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}

.panel-resource-row:last-child {
    border-bottom: none;
}

.panel-resource-row:hover {
    background: var(--accent-glow);
}

.panel-resource-row-left {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
    flex: 1;
}

.panel-resource-row-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    flex-shrink: 0;
}

/* 상세 뷰 */
.panel-back-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: none;
    border: none;
    border-bottom: 1px solid var(--border);
    color: var(--accent);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    text-align: left;
    transition: background var(--transition);
}

.panel-back-btn:hover {
    background: var(--accent-glow);
}

.panel-detail {
    padding: 8px 0;
}

.panel-detail-row {
    display: flex;
    padding: 10px 16px;
    gap: 12px;
    border-bottom: 1px solid var(--border);
    align-items: flex-start;
}

.panel-detail-row:last-child {
    border-bottom: none;
}

.panel-detail-label {
    font-size: 0.78rem;
    color: var(--text-dim);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    width: 90px;
    flex-shrink: 0;
    padding-top: 2px;
}

.panel-detail-value {
    font-size: 0.88rem;
    color: var(--text);
    word-break: break-all;
}

/* 패널 오버레이 (모바일 바텀 시트 배경) */
.panel-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    transition: opacity 250ms ease;
}

.panel-overlay.active {
    display: block;
    opacity: 1;
}

/* Time 셀: 기본(PC)은 전체, 모바일에서 short로 교체 */
.time-full { display: inline; }
.time-short { display: none; }

/* 테이블 가로 스크롤 래퍼 */

.table-scroll-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 12px;
    border: 1px solid var(--border);
}

/* table-layout: auto → 컨텐츠 너비로 자연스럽게 확장
   min-width: 100% → 부모보다 좁아지지 않음 (PC에서 꽉 채움)
   컨텐츠가 min-width 초과 시 래퍼에서 가로 스크롤 발생 */
.table-scroll-wrapper .events-table,
.table-scroll-wrapper .groups-table {
    table-layout: auto;
    width: max-content;
    min-width: 100%;
    border-radius: 0;
    border: none;
}


/* ── 모바일: 바텀 시트 ── */
@media (max-width: 768px) {
    /* 모바일에서 숨길 컬럼 */
    .col-hide-mobile {
        display: none;
    }

    /* Time: 모바일에서 짧은 버전으로 교체 */
    .time-full { display: none; }
    .time-short { display: inline; }

    /* High Priority Events: 좁은 화면에서 target/user 숨김 */
    .alert-target,
    .alert-user {
        display: none;
    }

    /* Action priority 색상 — Priority 컬럼 숨김 시 Action으로 대신 표시 */
    .action-priority-high   { color: var(--danger); font-weight: 700; }
    .action-priority-medium { color: var(--orange); font-weight: 600; }
    .action-priority-error  { color: var(--danger); font-weight: 700; }

    /* Action 셀 truncate 강화 */
    .action-cell {
        max-width: 120px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /* 그룹 카드: 서비스 카드 크기 키우기 */
    .resource-group-name {
        font-size: 1.1rem;
    }

    .resource-service-card {
        padding: 12px 16px;
        min-width: 72px;
    }

    .resource-service-card-count {
        font-size: 1.2rem;
    }

    /* 레이아웃: 패널을 flex에서 분리 */
    .resources-layout {
        flex-direction: column;
        align-items: stretch;
    }

    /* 패널: 사이드 → 바텀 시트 */
    .resource-panel {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100% !important;
        height: 0;
        max-height: 75vh;
        border-left: none !important;
        border-top: 2px solid var(--border);
        border-radius: 20px 20px 0 0;
        z-index: 100;
        transition: height 300ms ease;
        overflow: hidden;
    }

    .resource-panel.open {
        height: 75vh;
        width: 100% !important;
    }

    /* 드래그 핸들 표시 */
    .resource-panel-header::before {
        content: '';
        display: block;
        position: absolute;
        top: 8px;
        left: 50%;
        transform: translateX(-50%);
        width: 40px;
        height: 4px;
        background: var(--border);
        border-radius: 2px;
    }

    .resource-panel-header {
        position: relative;
        padding-top: 22px;
    }

    /* 탭 가로 스크롤 */
    .resource-panel-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding: 10px 14px;
        gap: 8px;
    }

    .resource-panel-tabs::-webkit-scrollbar {
        display: none;
    }

    .panel-tab {
        flex-shrink: 0;
        padding: 6px 14px;
        font-size: 0.85rem;
    }

    /* 리소스 행: 터치 타깃 키우기 */
    .panel-resource-row {
        padding: 14px 16px;
    }

    .panel-resource-row-left {
        gap: 5px;
    }

    /* 상세 레이블 너비 조정 */
    .panel-detail-label {
        width: 80px;
        font-size: 0.72rem;
    }

    .panel-detail-value {
        font-size: 0.85rem;
    }
}

/* Tables */
.events-table,
.resources-table,
.groups-table {
    width: 100%;
    table-layout: fixed;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
}

/* Events: Time Region Service Action Target Priority */
.events-table th:nth-child(1),
.events-table td:nth-child(1) { width: 16%; }
.events-table th:nth-child(2),
.events-table td:nth-child(2) { width: 13%; }
.events-table th:nth-child(3),
.events-table td:nth-child(3) { width: 10%; }
.events-table th:nth-child(4),
.events-table td:nth-child(4) { width: 22%; }
.events-table th:nth-child(5),
.events-table td:nth-child(5) { width: 27%; }
.events-table th:nth-child(6),
.events-table td:nth-child(6) { width: 12%; }

.events-table td,
.resources-table td {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Resources: Group Service Resource ID State Details Modified By Modified */
.resources-table th:nth-child(1),
.resources-table td:nth-child(1) { width: 11%; }
.resources-table th:nth-child(2),
.resources-table td:nth-child(2) { width: 10%; }
.resources-table th:nth-child(3),
.resources-table td:nth-child(3) { width: 22%; }
.resources-table th:nth-child(4),
.resources-table td:nth-child(4) { width: 10%; }
.resources-table th:nth-child(5),
.resources-table td:nth-child(5) { width: 16%; }
.resources-table th:nth-child(6),
.resources-table td:nth-child(6) { width: 14%; }
.resources-table th:nth-child(7),
.resources-table td:nth-child(7) { width: 17%; }

.events-table th,
.events-table td,
.resources-table th,
.resources-table td,
.groups-table th,
.groups-table td {
    padding: 13px 16px;
    text-align: left;
}

.events-table th,
.resources-table th,
.groups-table th {
    background: var(--surface-hover);
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 1.5px solid var(--border);
}

.events-table td,
.resources-table td,
.groups-table td {
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.events-table tbody tr,
.resources-table tbody tr,
.groups-table tbody tr {
    transition: background var(--transition);
}

.events-table tbody tr:hover,
.resources-table tbody tr:hover,
.groups-table tbody tr:hover {
    background: var(--accent-glow);
}

.events-table tbody tr:last-child td,
.resources-table tbody tr:last-child td,
.groups-table tbody tr:last-child td {
    border-bottom: none;
}

/* Badges */
.priority-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.priority-high {
    background: var(--danger-bg);
    color: var(--danger);
}

.priority-medium {
    background: var(--orange-bg);
    color: var(--orange);
}

.priority-low {
    background: var(--green-bg);
    color: var(--green);
}

.priority-error {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.service-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 500;
}

.service-iam, .service-signin {
    background: rgba(155, 89, 182, 0.12);
    color: #b07cc6;
}

.service-ec2 {
    background: rgba(255, 153, 0, 0.12);
    color: #ff9900;
}

.service-rds {
    background: rgba(99, 102, 241, 0.12);
    color: #818cf8;
}

.service-dynamodb {
    background: rgba(99, 102, 241, 0.12);
    color: #818cf8;
}

.service-s3 {
    background: var(--green-bg);
    color: var(--green);
}

.service-lambda {
    background: rgba(255, 153, 0, 0.12);
    color: #ff9900;
}

.service-cloud9 {
    background: rgba(13, 110, 253, 0.1);
    color: #6c8cff;
}

.service-sns, .service-sqs {
    background: rgba(244, 114, 182, 0.12);
    color: #f472b6;
}

.service-bedrock {
    background: rgba(1, 168, 141, 0.12);
    color: #01a88d;
}

.state-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
}

.state-running {
    background: var(--green-bg);
    color: var(--green);
}

.state-stopped {
    background: var(--danger-bg);
    color: var(--danger);
}

.state-pending {
    background: var(--orange-bg);
    color: var(--orange);
}

.tag-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    background: rgba(99, 102, 241, 0.12);
    color: #818cf8;
    margin-right: 4px;
}

.region-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 500;
    background: rgba(13, 110, 253, 0.1);
    color: #6c8cff;
    margin: 2px 4px 2px 0;
}

.region-badge.region-color-0 { background: rgba(45, 212, 191, 0.12); color: #2dd4bf; }
.region-badge.region-color-1 { background: rgba(108, 140, 255, 0.12); color: #6c8cff; }
.region-badge.region-color-2 { background: rgba(167, 139, 250, 0.12); color: #a78bfa; }
.region-badge.region-color-3 { background: rgba(251, 146, 60, 0.12); color: #fb923c; }
.region-badge.region-color-4 { background: rgba(74, 222, 128, 0.12); color: #4ade80; }
.region-badge.region-color-5 { background: rgba(56, 189, 248, 0.12); color: #38bdf8; }
.region-badge.region-color-6 { background: rgba(232, 184, 54, 0.15); color: #eab308; }

.resource-id {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.82rem;
    background: var(--surface-hover);
    padding: 3px 8px;
    border-radius: 6px;
    color: var(--text-dim);
    transition: background var(--transition), color var(--transition);
    word-break: break-all;
}

/* Summary Cards */
.summary {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.summary-card {
    background: var(--surface);
    padding: 18px 24px;
    border-radius: 14px;
    flex: 1;
    text-align: center;
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    transition: background var(--transition), border-color var(--transition);
}

.summary-card .count {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.2;
}

.summary-card .label {
    font-size: 0.82rem;
    color: var(--text-dim);
    margin-top: 2px;
}

/* Dashboard Controls */
.dashboard-controls {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.dashboard-presets {
    display: flex;
    gap: 4px;
    background: var(--surface-hover);
    padding: 4px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.btn-preset {
    padding: 7px 18px;
    border: none;
    border-radius: 7px;
    background: transparent;
    color: var(--text-dim);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-preset:hover {
    color: var(--text);
}

.btn-preset.active {
    background: var(--accent);
    color: var(--accent-text);
    box-shadow: 0 1px 4px var(--accent-glow);
}

.dashboard-date-range {
    display: flex;
    align-items: flex-end;
    gap: 12px;
}

.dashboard-date-range input[type="datetime-local"] {
    padding: 8px 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.85rem;
    background: var(--surface-hover);
    color: var(--text);
    transition: all var(--transition);
}

.dashboard-date-range input[type="datetime-local"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Overview Cards */
.overview-cards {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.overview-card {
    flex: 1;
    background: var(--surface-hover);
    padding: 20px 24px;
    border-radius: 14px;
    text-align: center;
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    transition: background var(--transition), border-color var(--transition);
}

.overview-value {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.2;
}

.overview-label {
    font-size: 0.82rem;
    color: var(--text-dim);
    margin-top: 4px;
}

/* Alert Section */
.alert-section {
    background: rgba(220, 38, 38, 0.08);
    border: 1px solid rgba(220, 38, 38, 0.3);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}

.alert-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.alert-icon {
    font-size: 1.2rem;
    color: #dc2626;
}

.alert-title {
    font-weight: 700;
    font-size: 0.95rem;
    color: #dc2626;
}

.alert-count {
    background: #dc2626;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.alert-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.alert-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    background: var(--surface);
    border-radius: 6px;
    font-size: 0.85rem;
    border-left: 3px solid #dc2626;
    overflow: hidden;
    min-width: 0;
}

.alert-time {
    color: var(--text-dim);
    white-space: nowrap;
    flex-shrink: 0;
    min-width: 70px;
}

.alert-group {
    font-weight: 600;
    color: var(--text);
    flex-shrink: 0;
    min-width: 50px;
    max-width: 90px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.alert-action {
    color: #dc2626;
    font-weight: 600;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.alert-target {
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 0.8rem;
    color: var(--text-dim);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.alert-user {
    color: var(--text-dim);
    flex-shrink: 0;
    min-width: 70px;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: right;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.chart-card {
    background: var(--surface-hover);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px 24px;
    transition: background var(--transition), border-color var(--transition);
}

.chart-card h3 {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
}

.chart-card canvas {
    width: 100% !important;
    max-height: 280px;
}


/* Group Cloud */
.group-cloud {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 12px 20px;
    min-height: 120px;
    padding: 16px 8px;
}

.group-cloud-empty {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.group-tag {
    font-weight: 700;
    cursor: default;
    transition: transform 0.15s;
    line-height: 1.2;
}

.group-tag:hover {
    transform: scale(1.12);
}

/* Groups: Group Name | Users | Regions | Created | Expires | Actions */
.groups-table th:nth-child(1),
.groups-table td:nth-child(1) { width: 18%; }
.groups-table th:nth-child(2),
.groups-table td:nth-child(2) { width: 7%; text-align: center; }
.groups-table th:nth-child(3),
.groups-table td:nth-child(3) { width: 24%; }
.groups-table th:nth-child(4),
.groups-table td:nth-child(4) { width: 18%; white-space: nowrap; }
.groups-table th:nth-child(5),
.groups-table td:nth-child(5) { width: 20%; }
.groups-table th:nth-child(6),
.groups-table td:nth-child(6) { width: 13%; }

.groups-table .expires-input {
    padding: 5px 8px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 0.84rem;
    background: var(--surface-hover);
    color: var(--text);
    width: 100%;
    max-width: 160px;
    transition: all var(--transition);
    cursor: pointer;
}

.groups-table .expires-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.groups-table .expires-input.expires-warning {
    border-color: var(--danger);
    color: var(--danger);
}

/* Group Form */
.group-form h3 {
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 16px;
    font-weight: 600;
}

/* Loading */
.loading {
    text-align: center;
    padding: 48px;
    color: var(--text-dim);
    font-size: 0.92rem;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 10px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Error */
.error-message {
    background: var(--danger-bg);
    color: var(--danger);
    padding: 18px 24px;
    border-radius: 12px;
    text-align: center;
    font-size: 0.92rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 36px 0;
    color: var(--text-dim);
    font-size: 0.82rem;
}

/* Event Detail Modal */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    max-width: 560px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 28px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
    animation: fadeIn 0.2s ease-out;
}

.modal-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border: none;
    background: var(--surface-hover);
    color: var(--text-dim);
    border-radius: 8px;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.modal-close:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

/* Modal sections */
.modal-sections {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.modal-section {
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.modal-section:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.modal-section-title {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 10px;
}

.modal-fields {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.modal-field-row {
    display: flex;
    align-items: baseline;
    padding: 8px 12px;
    border-radius: 8px;
}

.modal-field-row:nth-child(odd) {
    background: var(--surface-hover);
}

.modal-field-row dt {
    width: 100px;
    flex-shrink: 0;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.modal-field-row dd {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text);
    word-break: break-all;
}

.modal-field-row dd code {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.84rem;
    background: var(--surface-hover);
    padding: 2px 8px;
    border-radius: 6px;
    color: var(--text-dim);
}

.modal-field-row:nth-child(odd) dd code {
    background: var(--surface);
}

.modal-description {
    color: var(--accent);
    font-weight: 500;
    font-size: 0.85rem;
}

/* Service Error Modal */
.svc-modal-error-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.svc-modal-error-item {
    background: var(--surface-hover);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 14px;
}

.svc-modal-error-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.svc-modal-error-code {
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--danger);
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
}

.svc-modal-error-count {
    font-size: 0.8rem;
    color: var(--text-dim);
    font-variant-numeric: tabular-nums;
}

.svc-modal-error-desc {
    font-size: 0.84rem;
    color: var(--accent);
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: 4px;
}

.svc-modal-error-toggle {
    margin-top: 6px;
}

.svc-modal-error-toggle summary {
    font-size: 0.78rem;
    color: var(--text-dim);
    cursor: pointer;
    user-select: none;
    padding: 2px 0;
}

.svc-modal-error-toggle summary:hover {
    color: var(--text);
}

.svc-modal-error-message {
    font-size: 0.8rem;
    color: var(--text-dim);
    line-height: 1.5;
    word-break: break-word;
    margin-top: 6px;
    padding: 8px 10px;
    background: var(--bg);
    border-radius: 6px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    white-space: pre-wrap;
}

/* Clickable table rows */
.events-table tbody tr,
.resources-table tbody tr {
    cursor: pointer;
}

/* Infinite Scroll */
.scroll-end-msg {
    display: block;
    text-align: center;
    padding: 20px;
    font-size: 0.85rem;
    color: var(--text-dim);
}

/* Scroll to Top Button */
.scroll-top-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--accent-text);
    border: none;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.2s ease;
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-top-btn.visible {
    opacity: 1;
    pointer-events: auto;
}

.scroll-top-btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 16px;
    }

    header {
        flex-direction: column;
        gap: 12px;
        text-align: center;
        padding: 20px;
    }

    .header-actions {
        width: 100%;
        justify-content: center;
    }

    .filters {
        flex-direction: column;
        align-items: stretch;
    }

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

    .summary {
        flex-direction: column;
    }

    .overview-cards {
        flex-direction: column;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .events-table,
    .resources-table,
    .groups-table {
        font-size: 0.82rem;
    }

    .events-table th,
    .events-table td,
    .resources-table th,
    .resources-table td,
    .groups-table th,
    .groups-table td {
        padding: 10px 12px;
    }

    .tab-content {
        padding: 20px;
    }

    .tabs {
        overflow-x: auto;
    }
}

/* ── Users Insights ── */
.insight-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 20px;
}

.insight-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 20px;
    transition: background var(--transition), border-color var(--transition);
}

.insight-card:hover {
    border-color: var(--accent);
}

.insight-card-title {
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.insight-card-title .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.insight-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 0;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border);
}

.insight-row:last-child {
    border-bottom: none;
}

.insight-rank {
    color: var(--text-dim);
    font-weight: 600;
    width: 24px;
}

.insight-rank.top-1 { color: var(--accent); }
.insight-rank.top-2 { color: var(--text); }
.insight-rank.top-3 { color: var(--text); }

.insight-user {
    flex: 1;
    margin-left: 4px;
}

.insight-value {
    font-weight: 600;
    margin-left: 8px;
}

.insight-value.danger { color: var(--danger); }
.insight-value.success { color: var(--green); }
.insight-value.warn { color: #f0883e; }
.insight-value.dim { color: var(--text-dim); }

.hourly-chart {
    display: flex;
    align-items: flex-end;
    gap: 2px;
    height: 80px;
    margin-top: 8px;
}

.hourly-bar {
    flex: 1;
    border-radius: 2px 2px 0 0;
    min-height: 2px;
    transition: background 0.2s;
}

.hourly-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.72rem;
    color: var(--text-dim);
    margin-top: 4px;
}

@media (max-width: 768px) {
    .insight-grid {
        grid-template-columns: 1fr;
    }
}