.price-history{margin:24px 0;padding:24px;background:#fff;border:1px solid #eee;border-radius:16px}.price-history [hidden]{display:none!important}.price-history__heading{display:flex;justify-content:space-between;gap:16px;align-items:start}.price-history h2{font-size:24px;line-height:1.4;margin:0 0 12px}.price-history p{font-size:14px;color:#657080;line-height:1.6}.price-history select{padding:8px;border:1px solid #ddd;border-radius:8px;background:white}.price-history__cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0}.price-history__card{padding:16px;border:1px solid #e8e8e8;border-radius:12px}.price-history__card strong{display:block;font-size:25px;margin:10px 0;color:#102233}.price-history__card small{display:block;color:#657080}.price-history__plot svg{display:block;width:100%;height:auto;min-height:220px}.price-history__legend{display:flex;flex-wrap:wrap;gap:16px}.price-history__table{overflow:auto}.price-history table{width:100%;border-collapse:collapse;white-space:nowrap}.price-history th,.price-history td{padding:10px;text-align:right;border-bottom:1px solid #eee}.price-history th:first-child,.price-history td:first-child{text-align:left}.price-history summary,.price-history button{cursor:pointer}.price-history__heading label{font-size:13px;flex-shrink:0}.price-history button{padding:8px 16px;border:1px solid #ddd;border-radius:8px;background:white}@media(max-width:600px){.price-history{padding:16px}.price-history h2{font-size:20px}.price-history__heading{display:block}.price-history__cards{grid-template-columns:1fr}.price-history__card{padding:12px}.price-history__card strong{font-size:20px}.price-history__plot svg{min-width:0}}
/* Price history follows the compact three-card reference layout. */
.price-history{border:0;padding:28px 24px;box-shadow:none}.price-history__heading{align-items:center}.price-history__heading label{font-size:0}.price-history select{font-size:13px;color:#657080}.price-history__cards{gap:10px;margin:18px 0}.price-history__card{padding:16px 12px;border:1px solid #f0f1f3;border-radius:20px;box-shadow:0 2px 6px #18273806}.price-history__card-heading{display:flex;justify-content:space-between;align-items:center;gap:8px;min-height:30px;flex-wrap:wrap}.price-history__card-heading>span:first-child{font-size:13px;font-weight:750;text-transform:uppercase;letter-spacing:1px;color:#747e8c}.price-history__badge{font-size:12px;font-weight:700;color:#109e9c;background:#edf8f7;padding:5px 9px;border-radius:20px;white-space:nowrap}.price-history__card strong{font-size:20px;font-weight:750;letter-spacing:-.7px;margin:18px 0 10px;line-height:1.2}.price-history__card small{font-size:14px;line-height:1.6;color:#929ba7}.price-history__card.up strong{color:#009d71}.price-history__card.down strong,.price-history__card.peak strong{color:#e99c00}.price-history__card.peak .price-history__badge{background:#f5f5f8;color:#717a88}.price-history__card strong.price-history__empty{font-size:21px;color:#89929d;letter-spacing:0}.price-history__plot{border:1px solid #f1f2f4;border-radius:20px;padding:18px 12px 0}.price-history__legend{justify-content:center;font-weight:650;font-size:14px!important;margin:20px 0}.price-history .price-history__note,.price-history [data-estimate-note]{font-size:12px;color:#8a929d}.price-history details{font-size:13px;color:#737d89}.price-history__plot svg{min-height:260px}@media(max-width:600px){.price-history{padding:20px 14px}.price-history h2{font-size:22px}.price-history__heading label{display:block;margin:8px 0}.price-history__cards{gap:10px}.price-history__card{padding:14px 12px}.price-history__card strong{font-size:20px;margin:8px 0 6px}.price-history__card-heading>span:first-child{font-size:12px}.price-history__card small{font-size:12px}.price-history__badge{font-size:10px;padding:4px 7px}.price-history__plot{padding:12px 4px 0}.price-history__plot svg{width:100%;min-width:0;min-height:0;height:auto;aspect-ratio:900/330}.price-history__legend{gap:8px;font-size:11px!important;margin:14px 0}}

/* Tooltip theo tháng và cỡ chữ gọn cho các thẻ tổng quan. */
.price-history__card{min-width:0}
.price-history__card strong{font-size:20px;white-space:nowrap}
.price-history__card strong.price-history__empty{font-size:18px;white-space:normal}
.price-history__card-heading>span:first-child{font-size:12px;letter-spacing:.6px;white-space:nowrap}
.price-history__card small{font-size:13px}
.price-history__plot{position:relative}
.price-history__tooltip{position:absolute;z-index:2;pointer-events:none;box-sizing:border-box;max-width:calc(100% - 8px);padding:16px;background:#fff;border:1px solid #f0f1f3;border-radius:16px;box-shadow:0 8px 28px #10223320;color:#263442;font-size:13px}
.price-history__tooltip>strong{display:block;padding-bottom:10px;margin-bottom:10px;border-bottom:1px solid #edf0f3;font-size:14px}
.price-history__tooltip-row{display:flex;align-items:center;gap:8px;margin-top:8px;white-space:nowrap}
.price-history__tooltip-row b{margin-left:auto;padding-left:8px}
.price-history__plot rect:focus-visible{outline:none;stroke:#657080;stroke-width:1;stroke-dasharray:4 4}
@media(max-width:600px){.price-history__card strong{font-size:20px}.price-history__card small{font-size:12px}.price-history__tooltip{padding:12px;font-size:11px}.price-history__tooltip>strong{font-size:12px}}

/* Match this site’s content cards and typography. */
.price-history{font-family:inherit;border:1px solid #eee;margin:24px 0}.price-history h2{font-family:inherit;font-size:22px;letter-spacing:0}.price-history__card-heading>span:first-child{letter-spacing:0;text-transform:none;font-size:12px}.price-history__card{border-radius:12px;box-shadow:none}.price-history__card strong{font-size:20px}.price-history__plot{border-radius:12px}.price-history select{border-radius:8px}.price-history button{color:#0d6efd}@media(max-width:600px){.price-history h2{font-size:19px}.price-history__card strong{font-size:20px}}

/* Nhấn mạnh giá đỉnh, tách rõ với phần trăm so sánh phía trên. */
.price-history__card .price-history__peak-price{color:#929ba7}
.price-history__peak-price b{font-size:inherit;font-weight:600;color:inherit;white-space:nowrap}