:root {
    --color-primary: #185FA5;
    --color-primary-bg: #E6F1FB;
    --color-success: #3B6D11;
    --color-success-bg: #EAF3DE;
    --color-danger: #A32D2D;
    --color-danger-bg: #FCEBEB;
    --color-text-primary: #1a1a1a;
    --color-text-secondary: #666;
    --color-text-muted: #999;
    --color-border: #e0e0e0;
    --color-bg: #f8f8f8;
    --color-bg-white: #ffffff;
    --color-bg-secondary: #f4f4f4;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { overflow-x: hidden; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 12px; color: var(--color-text-primary); background: var(--color-bg); overflow-x: hidden; }

.layout-wrapper { display: flex; min-height: 100vh; }

.sidebar { width: 190px; min-width: 190px; background: #1a2332; color: #cdd5df; display: flex; flex-direction: column; position: fixed; top: 0; left: 0; height: 100vh; overflow-y: auto; z-index: 100; transition: transform 0.25s ease; }
.sidebar-header { padding: 16px 12px 12px; border-bottom: 1px solid #2d3a4a; display: flex; align-items: center; gap: 8px; }
.sidebar-logo a { color: #fff; text-decoration: none; font-size: 16px; font-weight: bold; letter-spacing: 0.5px; }
.sidebar-nav { flex: 1; padding: 8px 0; }
.sidebar-section { padding: 0; }
.sidebar-section-title { padding: 8px 12px 4px; font-size: 10px; font-weight: bold; color: #6b7a8d; text-transform: uppercase; letter-spacing: 0.8px; }
.sidebar-divider { border-top: 1px solid #2d3a4a; margin: 8px 0; }
.nav-item { display: block; padding: 7px 12px; color: #cdd5df; text-decoration: none; font-size: 12px; transition: background 0.15s, color 0.15s; border-radius: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-item:hover { background: #253245; color: #fff; }
.nav-item.active { background: var(--color-primary); color: #fff; }
.nav-campaign-name { display: flex; align-items: center; justify-content: space-between; }
.cp-status { font-size: 10px; padding: 1px 6px; border-radius: 10px; flex-shrink: 0; margin-left: 4px; }
.status-active { background: #1d4a1a; color: #6dbf67; }
.status-paused { background: #4a2d1a; color: #bf8f67; }
.nav-group-name { font-size: 11px; color: #8a9ab0; }
.nav-group-name:hover { color: #cdd5df; }
.nav-empty { padding: 6px 12px; font-size: 11px; color: #6b7a8d; font-style: italic; }
.btn-changelog { color: #8ab4f8; }
.sidebar-footer { padding: 12px; border-top: 1px solid #2d3a4a; display: flex; align-items: center; gap: 8px; }
.sidebar-username { font-size: 11px; color: #8a9ab0; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.btn-logout { font-size: 11px; color: #e57373; text-decoration: none; padding: 3px 8px; border: 1px solid #e57373; border-radius: 3px; white-space: nowrap; }
.btn-logout:hover { background: #e57373; color: #fff; }

.main-content { flex: 1; margin-left: 190px; display: flex; flex-direction: column; min-height: 100vh; transition: margin-left 0.25s ease; min-width: 0; }

.topbar { background: var(--color-bg-white); border-bottom: 1px solid var(--color-border); padding: 8px 20px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 50; }
.topbar-left .page-title { font-size: 16px; font-weight: bold; color: var(--color-text-primary); }
.topbar-right { display: flex; align-items: center; gap: 8px; }

.date-filter { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.date-btn { padding: 5px 10px; border: 1px solid var(--color-border); background: var(--color-bg-white); color: var(--color-text-secondary); font-size: 11px; border-radius: 4px; cursor: pointer; white-space: nowrap; }
.date-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.date-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.date-btn.btn-apply { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.date-separator { color: var(--color-border); font-size: 16px; }
.date-input { padding: 5px 8px; border: 1px solid var(--color-border); border-radius: 4px; font-size: 11px; color: var(--color-text-primary); }

.content-area { flex: 1; padding: 20px; }

.date-filter-bar { position: sticky; top: 43px; z-index: 45; background: var(--color-bg); padding-bottom: 8px; }

.tabs { display: flex; border-bottom: 2px solid var(--color-border); margin-bottom: 20px; position: sticky; top: 43px; background: var(--color-bg); z-index: 40; }
.tab-btn { padding: 8px 20px; border: none; background: none; font-size: 13px; color: var(--color-text-secondary); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px; font-weight: 500; }
.tab-btn:hover { color: var(--color-primary); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); font-weight: bold; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.card { background: var(--color-bg-white); border: 1px solid var(--color-border); border-radius: 6px; margin-bottom: 16px; }
.card-header { padding: 12px 16px; border-bottom: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; }
.card-header h3 { font-size: 13px; font-weight: bold; color: var(--color-text-primary); }
.card-body { padding: 16px; }

.table-wrapper { overflow-x: auto; }
.col-resize-handle { position:absolute; right:0; top:0; bottom:0; width:5px; cursor:col-resize; z-index:10; user-select:none; }
.col-resize-handle:hover { background:rgba(0,0,0,.15); }
table { width: 100%; border-collapse: collapse; font-size: 11px; }
table th { padding: 7px 10px; background: var(--color-bg-secondary); border: 1px solid var(--color-border); font-size: 10px; font-weight: bold; color: var(--color-text-secondary); white-space: nowrap; cursor: pointer; user-select: none; text-align: right; }
table th:first-child, table th.align-left { text-align: left; }
table th:hover { background: #eaeaea; }
table td { padding: 6px 10px; border: 1px solid var(--color-border); white-space: nowrap; text-align: right; }
table td:first-child, table td.align-left { text-align: left; }
table tr:hover { background: #f9f9f9; }
table tr.separator { border-top: 2px solid var(--color-primary); }

.cpa-good { color: var(--color-primary); font-weight: bold; }
.cpa-bad { color: var(--color-danger); font-weight: bold; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 10px; font-weight: bold; }
.badge-best { background: var(--color-success-bg); color: var(--color-success); }
.badge-good { background: var(--color-primary-bg); color: var(--color-primary); }
.badge-low { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-learning { background: var(--color-bg-secondary); color: var(--color-text-muted); }

.change-tag { display: inline-block; background: var(--color-primary-bg); color: var(--color-primary); border: 1px solid #b0cef0; border-radius: 3px; font-size: 10px; padding: 1px 6px; cursor: pointer; margin: 1px 2px; }
.change-tag:hover { background: var(--color-primary); color: #fff; }

/* 変更履歴セル */
.change-cell { display: inline-block; }
.change-count-badge { color: #185FA5; font-weight: bold; font-size: 12px; cursor: default; white-space: nowrap; }

/* ホバー時に body 直下に表示する変更履歴ポップアップ */
.change-popup-floating {
  position: fixed;
  z-index: 99999;
  max-height: 70vh;
  overflow-y: auto;
  background: #fff;
  border: 1px solid #b0cef0;
  border-radius: 6px;
  box-shadow: 0 4px 18px rgba(0,0,0,0.22);
  padding: 4px 0;
  text-align: left;
  white-space: normal;
}

.manual-cv-input { width: 60px; padding: 3px 5px; border: 1px solid var(--color-border); border-radius: 3px; font-size: 11px; text-align: right; }
.manual-cv-input:focus { border-color: var(--color-primary); outline: none; }
.manual-cv-input.saving { background: #fffbe6; }
.manual-cv-input.saved { background: var(--color-success-bg); }

.memo-input { width: 120px; padding: 3px 5px; border: 1px solid var(--color-border); border-radius: 3px; font-size: 11px; }
.memo-input:focus { border-color: var(--color-primary); outline: none; }

.chart-controls { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.chart-control-label { display: flex; align-items: center; gap: 4px; font-size: 11px; color: var(--color-text-secondary); cursor: pointer; }
.chart-control-label input { cursor: pointer; }
.chart-container { position: relative; height: 240px; }

.modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 1000; display: none; align-items: center; justify-content: center; }
.modal-overlay.show { display: flex; }
.modal { background: #fff; border-radius: 8px; padding: 24px; min-width: 400px; max-width: 600px; max-height: 80vh; overflow-y: auto; position: relative; }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.modal-header h3 { font-size: 15px; font-weight: bold; }
.modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--color-text-muted); padding: 0; line-height: 1; }
.modal-footer { margin-top: 20px; display: flex; gap: 8px; justify-content: flex-end; }

.popup { position: fixed; background: #fff; border: 1px solid var(--color-border); border-radius: 6px; padding: 12px 16px; box-shadow: 0 4px 16px rgba(0,0,0,0.12); z-index: 500; max-width: 360px; font-size: 12px; display: none; }
.popup.show { display: block; }
.popup-title { font-weight: bold; margin-bottom: 6px; font-size: 12px; }
.popup-close { position: absolute; top: 6px; right: 8px; background: none; border: none; font-size: 14px; cursor: pointer; color: var(--color-text-muted); }

.ai-chat-panel { position: fixed; bottom: 20px; right: 20px; width: 380px; background: #fff; border: 1px solid var(--color-border); border-radius: 10px; box-shadow: 0 4px 24px rgba(0,0,0,0.15); z-index: 200; display: flex; flex-direction: column; }
.ai-chat-header { padding: 12px 16px; background: var(--color-primary); color: #fff; border-radius: 10px 10px 0 0; display: flex; align-items: center; justify-content: space-between; cursor: pointer; }
.ai-chat-header h4 { font-size: 13px; font-weight: bold; }
.ai-chat-toggle { background: none; border: none; color: #fff; font-size: 16px; cursor: pointer; }
.ai-chat-body { display: none; flex-direction: column; max-height: 480px; }
.ai-chat-body.open { display: flex; }
.ai-chat-messages { flex: 1; overflow-y: auto; padding: 12px; max-height: 300px; }
.ai-chat-message { margin-bottom: 12px; }
.ai-chat-message.user .message-content { background: var(--color-primary-bg); color: var(--color-text-primary); border-radius: 8px 8px 2px 8px; padding: 8px 12px; font-size: 12px; margin-left: 40px; }
.ai-chat-message.assistant .message-content { background: var(--color-bg-secondary); color: var(--color-text-primary); border-radius: 2px 8px 8px 8px; padding: 8px 12px; font-size: 12px; margin-right: 40px; }
.ai-chat-message .message-content h1, .ai-chat-message .message-content h2, .ai-chat-message .message-content h3 { font-size: 13px; margin: 6px 0 4px; }
.ai-chat-message .message-content ul, .ai-chat-message .message-content ol { margin: 4px 0 4px 16px; }
.ai-chat-message .message-content p { margin: 4px 0; }
.ai-chat-suggestions { padding: 8px 12px; border-top: 1px solid var(--color-border); display: flex; flex-wrap: wrap; gap: 4px; }
.ai-suggestion-btn { padding: 3px 8px; background: var(--color-bg-secondary); border: 1px solid var(--color-border); border-radius: 12px; font-size: 10px; cursor: pointer; color: var(--color-text-secondary); }
.ai-suggestion-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.ai-chat-form { padding: 8px 12px; border-top: 1px solid var(--color-border); display: flex; gap: 6px; }
.ai-chat-input { flex: 1; padding: 7px 10px; border: 1px solid var(--color-border); border-radius: 6px; font-size: 12px; resize: none; min-height: 36px; max-height: 80px; }
.ai-chat-input:focus { outline: none; border-color: var(--color-primary); }
.ai-chat-submit { padding: 7px 14px; background: var(--color-primary); color: #fff; border: none; border-radius: 6px; font-size: 12px; cursor: pointer; white-space: nowrap; }
.ai-chat-submit:hover { background: #1250a0; }
.ai-chat-submit:disabled { background: var(--color-border); cursor: not-allowed; }
.ai-loading { display: none; padding: 8px 12px; font-size: 11px; color: var(--color-text-muted); }
.ai-loading.show { display: block; }

.btn { display: inline-block; padding: 6px 14px; border-radius: 4px; font-size: 12px; cursor: pointer; border: 1px solid transparent; text-decoration: none; }
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { background: #1250a0; }
.btn-secondary { background: var(--color-bg-white); color: var(--color-text-secondary); border-color: var(--color-border); }
.btn-secondary:hover { background: var(--color-bg-secondary); }
.btn-danger { background: var(--color-danger); color: #fff; border-color: var(--color-danger); }
.btn-danger:hover { background: #8b1a1a; }
.btn-sm { padding: 4px 10px; font-size: 11px; }

.form-row { display: flex; gap: 16px; margin-bottom: 16px; }
.form-group { flex: 1; }
.form-group label { display: block; font-size: 11px; font-weight: bold; color: var(--color-text-secondary); margin-bottom: 5px; }
input[type=text], input[type=number], input[type=date], input[type=password], select, textarea { padding: 7px 10px; border: 1px solid var(--color-border); border-radius: 4px; font-size: 12px; color: var(--color-text-primary); }
.form-control { width: 100%; padding: 7px 10px; border: 1px solid var(--color-border); border-radius: 4px; font-size: 12px; color: var(--color-text-primary); }
.form-control:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-bg); }

.alert { padding: 10px 14px; border-radius: 4px; font-size: 12px; margin-bottom: 12px; }
.alert-success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid #b8d89a; }
.alert-error { background: var(--color-danger-bg); color: var(--color-danger); border: 1px solid #e0a0a0; }
.alert-info { background: var(--color-primary-bg); color: var(--color-primary); border: 1px solid #b0cef0; }

th.sort-asc::after { content: " ↑"; }
th.sort-desc::after { content: " ↓"; }

.import-steps { display: flex; gap: 8px; margin-bottom: 20px; }
.import-step { flex: 1; padding: 8px; text-align: center; background: var(--color-bg-secondary); border-radius: 4px; font-size: 11px; color: var(--color-text-muted); }
.import-step.active { background: var(--color-primary); color: #fff; }
.import-step.done { background: var(--color-success-bg); color: var(--color-success); }
.dropzone { border: 2px dashed var(--color-border); border-radius: 6px; padding: 40px; text-align: center; cursor: pointer; }
.dropzone:hover { border-color: var(--color-primary); background: var(--color-primary-bg); }
.dropzone.drag-over { border-color: var(--color-primary); background: var(--color-primary-bg); }

.spinner { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--color-border); border-top-color: var(--color-primary); border-radius: 50%; animation: spin 0.8s linear infinite; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }

.sidebar-close-btn { display: none; background: none; border: none; color: #8a9ab0; font-size: 18px; cursor: pointer; padding: 2px 4px; line-height: 1; margin-left: auto; flex-shrink: 0; }
.sidebar-close-btn:hover { color: #fff; }

.sidebar-toggle-btn { background: none; border: none; cursor: pointer; padding: 4px 8px; color: var(--color-text-secondary); font-size: 20px; line-height: 1; margin-right: 4px; border-radius: 4px; flex-shrink: 0; }
.sidebar-toggle-btn:hover { background: var(--color-bg-secondary); color: var(--color-text-primary); }

.sidebar-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 99; }
.sidebar-overlay.show { display: block; }

.sidebar-collapsed .sidebar { transform: translateX(-100%); }
.sidebar-collapsed .main-content { margin-left: 0; }

@media (max-width: 768px) {
    body { overflow-x: hidden; }
    body.sidebar-mobile-open { overflow: hidden; }
    .sidebar { transform: translateX(-100%); z-index: 200; }
    .sidebar.sidebar-open { transform: translateX(0); box-shadow: 4px 0 20px rgba(0,0,0,0.4); }
    .sidebar-close-btn { display: block; }
    .sidebar-overlay { z-index: 150; }
    .main-content { margin-left: 0 !important; }
    .tabs { top: 43px; }
    .date-filter { gap: 3px; flex-wrap: wrap; }
    .date-btn { padding: 4px 6px; font-size: 10px; }
    .date-input { padding: 4px 6px; font-size: 10px; width: 96px; }
    .topbar { padding: 8px 12px; }
    .ai-chat-panel { width: calc(100vw - 24px); right: 12px; z-index: 99; }
    .topbar-left .page-title { font-size: 14px; }
    table { min-width: 700px; }
}

/* =========================================
   GA4連携 追加CSS
   既存のstyle.cssの末尾に追記してください
   ========================================= */

/* ── GA4サマリーブロック全体 ── */
#ga4_summary_wrap {
    margin-bottom: 24px;
}

.ga4-no-data {
    padding: 16px;
    background: #f9f9f9;
    border-radius: 8px;
    color: #999;
    font-size: 13px;
}

.ga4-loading {
    padding: 16px;
    color: #999;
    font-size: 13px;
}

/* ── 期間表示 ── */
.ga4-period-label {
    font-size: 12px;
    color: #666;
    margin-bottom: 12px;
    padding: 6px 10px;
    background: #f5f7fa;
    border-radius: 4px;
    display: inline-block;
}

/* ── URLブロック ── */
.ga4-url-block {
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 10px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.ga4-url-header {
    background: #f5f7fa;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid #eee;
}

.ga4-path {
    font-family: monospace;
    font-size: 13px;
    color: #333;
    font-weight: 600;
}

.ga4-label-badge {
    background: #e3f0ff;
    color: #2979ff;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 20px;
    font-weight: 600;
}

.ga4-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.ga4-scroll-section,
.ga4-cta-section {
    padding: 14px 16px;
}

.ga4-scroll-section {
    border-right: 1px solid #eee;
}

.ga4-section-title {
    font-size: 12px;
    font-weight: 700;
    color: #555;
    margin-bottom: 10px;
    letter-spacing: 0.3px;
}

/* ── スクロールバー ── */
.ga4-scroll-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.ga4-scroll-label {
    width: 40px;
    font-size: 12px;
    font-weight: 600;
    color: #555;
    flex-shrink: 0;
}

.ga4-bar-wrap {
    flex: 1;
    background: #f0f0f0;
    border-radius: 4px;
    height: 10px;
    overflow: hidden;
}

.ga4-bar {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #81C784);
    border-radius: 4px;
    transition: width 0.4s ease;
    min-width: 0;
}

.ga4-bar-scroll_100 {
    background: linear-gradient(90deg, #2196F3, #64B5F6);
}

.ga4-scroll-count {
    width: 60px;
    font-size: 12px;
    color: #666;
    text-align: right;
    flex-shrink: 0;
}

/* ── CTAテーブル ── */
.ga4-cta-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.ga4-cta-table th {
    text-align: left;
    color: #888;
    font-weight: 600;
    padding: 4px 8px;
    border-bottom: 1px solid #eee;
}

.ga4-cta-table td {
    padding: 5px 8px;
    border-bottom: 1px solid #f5f5f5;
    vertical-align: middle;
}

.ga4-cta-table td.ga4-num {
    text-align: right;
    font-weight: 600;
    color: #333;
}

.ga4-cta-empty {
    color: #888;
    font-size: 12px;
    margin: 4px 0;
}

/* ── CTAポジションバッジ ── */
.ga4-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
}

.ga4-badge-fv {
    background: #fff3e0;
    color: #e65100;
}

.ga4-badge-middle {
    background: #e8f5e9;
    color: #2e7d32;
}

.ga4-badge-footer {
    background: #e3f2fd;
    color: #1565c0;
}

.ga4-badge-other {
    background: #f5f5f5;
    color: #666;
}

/* ── レスポンシブ ── */
@media (max-width: 768px) {
    .ga4-body {
        grid-template-columns: 1fr;
    }
    .ga4-scroll-section {
        border-right: none;
        border-bottom: 1px solid #eee;
    }
}

/* ── settings.php GA4セクション ── */
.settings-section {
    margin-bottom: 40px;
}

.settings-card {
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 10px;
    padding: 20px 24px;
    margin-top: 16px;
}

.settings-card h3 {
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 16px;
    color: #333;
}

.settings-card .hint {
    font-size: 12px;
    color: #999;
    margin-bottom: 16px;
}

/* ─── スティッキーヘッダー ───────────────────── */
.sticky-table-wrap {
    max-height: 65vh;
    overflow-y: auto;
    overflow-x: auto;
}
.sticky-table-wrap thead th {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--color-bg-secondary);
    box-shadow: 0 1px 0 var(--color-border);
}

/* ─── 列ハイライト ──────────────────────────── */
.col-highlight {
    background-color: rgba(173, 216, 230, 0.4) !important;
}
th.col-highlight {
    background-color: rgba(173, 216, 230, 0.6) !important;
}

/* ─── フィルターパネル ──────────────────────── */
.num-filter-panel {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    background: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    padding: 8px 12px;
    margin-bottom: 8px;
    font-size: 12px;
}
.num-filter-panel label { font-weight: bold; white-space: nowrap; }
.filter-dir-group { display: flex; border: 1px solid #ccc; border-radius: 4px; overflow: hidden; }
.filter-dir-group button {
    border: none;
    padding: 4px 10px;
    font-size: 11px;
    cursor: pointer;
    background: #f5f5f5;
    color: #333;
}
.filter-dir-group button.active {
    background: var(--color-primary);
    color: #fff;
}
.filter-dir-group button + button { border-left: 1px solid #ccc; }
.filter-status { font-size: 11px; color: #555; margin-left: 4px; }

/* ─── 設定ページタブ ─────────────────────────── */
.hl-col-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 20px;
    margin: 12px 0;
}
.hl-col-grid label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
}
.hl-col-grid input[type=checkbox] { cursor: pointer; }