/* Historical positions: responsive, on-demand, read-only view */
.ad-keyword-history-button{display:grid;place-items:center;flex:0 0 22px;width:22px;height:22px;border:1px solid #cfe0f4;border-radius:7px;background:#f4f8ff;color:#2773c1;cursor:pointer}
.ad-keyword-history-button:hover{background:#e8f2ff;border-color:#a7cbef}
#adKeywordHistoryDialog{width:min(920px,calc(100vw - 30px));max-width:calc(100vw - 30px);max-height:min(89dvh,950px);box-sizing:border-box;padding:18px 20px 22px;overflow-y:auto;border:1px solid #e0e5ed;border-radius:18px;background:#fff;color:var(--ink);box-shadow:0 24px 80px rgba(19,37,66,.23)}
#adKeywordHistoryDialog::backdrop{background:rgba(26,36,52,.48);backdrop-filter:blur(2px)}
.akh-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.akh-header>div{min-width:0}.akh-header small{color:#3577c5;font-size:10px;font-weight:700}
.akh-header h2{margin:6px 0 4px;font-size:21px;line-height:1.25;overflow-wrap:anywhere}
.akh-header p{margin:0;font-size:11px;color:var(--muted)}
.akh-close{display:grid;place-items:center;flex:0 0 36px;width:36px;height:36px;border:1px solid var(--line);border-radius:10px;background:#fff;color:#5c6a79;cursor:pointer}
.akh-days{display:flex;align-items:center;width:max-content;max-width:100%;gap:3px;margin:16px 0 14px;padding:4px;border-radius:12px;background:#f0f3f8}
.akh-days button{min-height:34px;padding:6px 14px;border:0;border-radius:9px;background:transparent;color:#687482;font-size:11px;font-weight:700;cursor:pointer}
.akh-days button.active{background:#fff;color:#2575cd;box-shadow:0 2px 9px #1b3e6118}
.akh-days button:disabled{opacity:.6;cursor:wait}
.akh-loading{min-height:120px;display:grid;place-items:center;color:#667387;font-size:12px;text-align:center}.akh-loading.akh-error{color:#ad5353}
.akh-results{min-width:0}
.akh-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.akh-metrics>div{display:grid;gap:4px;align-content:start;padding:12px 13px;border:1px solid #e6eaf0;border-radius:12px;background:#f8fafd}
.akh-metrics small{font-size:10px;color:#697688}.akh-metrics strong{font-size:21px;line-height:1.2;font-variant-numeric:tabular-nums}.akh-metrics span{font-size:9px;color:#909bab;line-height:1.35}
.akh-chart{margin:14px 0 13px;padding:12px;border:1px solid #e3e9f1;border-radius:13px;background:#fff}
.akh-chart-legend{display:flex;gap:10px 20px;flex-wrap:wrap;font-size:9px;color:#667487;margin-bottom:10px}
.akh-chart-legend span{display:inline-flex;gap:6px;align-items:center}
.akh-dot{width:8px;height:8px;display:inline-block;border-radius:50%}.akh-dot.blue{background:#347ce0}.akh-dot.amber{border:2px solid #d58c3e;background:#fff}
.akh-chart-svg{display:block;width:100%;height:auto;max-height:215px}
.akh-chart-caption{margin:5px 0 0;font-size:9px;line-height:1.45;color:#8996a5}
.akh-chart-empty{min-height:130px;display:grid;place-items:center;color:#8390a0;font-size:11px;text-align:center}
.akh-table-wrap{width:100%;max-height:350px;overflow:auto;border:1px solid #e3e7ee;border-radius:12px;scrollbar-width:thin;overscroll-behavior-x:contain}
.akh-table{width:100%;min-width:770px;border-collapse:separate;border-spacing:0;font-variant-numeric:tabular-nums}
.akh-table th,.akh-table td{min-width:75px;padding:10px 9px;border-bottom:1px solid #eef0f4;text-align:right;white-space:nowrap;font-size:11px;line-height:1.4}
.akh-table th{position:sticky;top:0;z-index:2;background:#f5f7fa;color:#677487;font-size:9px;font-weight:700}
.akh-table th:first-child,.akh-table td:first-child{position:sticky;left:0;text-align:left;background:#fff;z-index:1;min-width:90px}
.akh-table th:first-child{z-index:3;background:#f5f7fa}
.akh-table tbody tr:last-child td{border-bottom:0}
.akh-table .akh-position{font-weight:750}
.akh-trend{font-size:11px;font-weight:700}.akh-trend.better{color:#238b5b}.akh-trend.worse{color:#c66054}.akh-trend.neutral{color:#9ca6b3}
.akh-snapshot{display:block;color:#9097a5;font-size:8px}
.akh-explain{margin:13px 2px 0;font-size:10px;line-height:1.55;color:#748193}
@media(max-width:600px){
 .ad-keyword-history-button{width:20px;height:20px;flex-basis:20px}
 #adKeywordHistoryDialog{width:calc(100vw - 16px);max-width:calc(100vw - 16px);max-height:calc(100dvh - 36px);padding:15px 12px 17px;border-radius:16px}
 .akh-header h2{font-size:17px}.akh-header small{font-size:9px}.akh-header p{font-size:10px}
 .akh-metrics{gap:6px}.akh-metrics>div{padding:9px 7px;border-radius:10px}
 .akh-metrics strong{font-size:16px}.akh-metrics small{font-size:8px}.akh-metrics span{font-size:8px}
 .akh-chart{padding:8px 5px}.akh-chart-svg{max-height:170px}
 .akh-table-wrap{max-height:310px}
}