.fuel-chart-host{position:relative;overflow:hidden;background:#fff;border:1px solid #e5edf6;border-radius:12px}
#line-chart.fuel-chart-host{height:340px;aspect-ratio:auto;margin-top:12px}
.history-chart.fuel-chart-host{height:440px;margin-top:16px}
.fuel-chart-host svg{display:block;width:100%;height:100%}
.fuel-chart-empty{height:100%;min-height:180px;display:grid;place-items:center;color:#687d98;font-size:14px}
.fuel-chart-legend{display:flex;flex-wrap:wrap;gap:7px 9px;margin:13px 0 2px}
.fuel-chart-legend button{display:inline-flex;align-items:center;gap:6px;min-height:31px;padding:6px 9px!important;border:1px solid #dfe8f2!important;border-radius:8px!important;background:#f8fbff!important;color:#1a365a!important;font-size:11px!important;font-weight:650!important;line-height:1.3;text-align:left;white-space:normal}
.fuel-chart-legend button[aria-pressed="false"]{opacity:.45}
.fuel-chart-legend button:hover{background:#ecf5ff!important}
.fuel-chart-legend i,.fuel-chart-tooltip i{display:inline-block;width:13px;height:3px;border-radius:2px;flex:none}
.fuel-chart-note,.sub-main .fuel-chart-note{margin:10px 2px 0;color:#667a94;font-size:12px;line-height:1.5}
.fuel-chart-note a,.sub-note a{font-weight:700}
.range-label{font-size:12px;color:#6c7f98;font-weight:700;align-self:center;margin-right:4px}
.trend .periods,.chart-controls{align-items:center}
.trend .periods button,.chart-controls button[data-range]{padding:7px 10px;border-radius:8px;font-size:12px;font-weight:700;border:1px solid #dfebf7;background:#f4f8fd;color:#34618d}
.trend .periods button.selected,.chart-controls button[data-range].is-active{background:#0b66c7;color:#fff;border-color:#0b66c7}
.fuel-chart-tooltip{position:absolute;z-index:5;min-width:245px;max-width:min(275px,calc(100% - 16px));padding:10px 11px;border:1px solid #cfe0f2;border-radius:10px;background:#fff;box-shadow:0 10px 30px #112d5626;font-size:11px;color:#24466e;pointer-events:none}
.fuel-chart-tooltip[hidden]{display:none}
.fuel-chart-tooltip strong{display:block;margin-bottom:7px;color:#0b2f61;font-size:12px}
.fuel-chart-tooltip div{display:grid;grid-template-columns:13px minmax(0,1fr) auto;align-items:center;gap:7px;margin:3px 0}
.fuel-chart-tooltip div b{font-variant-numeric:tabular-nums;color:#0a2d5d}
.fuel-chart-tooltip small{display:block;margin-top:5px;color:#7689a0}
.subpage[data-page="bieu-do-gia-xang"] .data-table{min-width:1200px}
.subpage[data-page="bieu-do-gia-xang"] .data-table th{min-width:130px}
.fuel-tabs { display: none !important; }

/* amCharts 4 Logo & Watermark suppression */
g[aria-labelledby*="id-"][aria-labelledby*="-title"],
.amcharts-chart-div a[href*="amcharts.com"],
g[filter*="am-filter-"] a,
g a[target="_blank"] {
  display: none !important;
}

@media(max-width:650px){
  #line-chart.fuel-chart-host{height:380px !important}
  .history-chart.fuel-chart-host{height:410px !important}
  .fuel-chart-legend button{font-size:10px!important}
  .range-label{width:100%}
  .fuel-chart-tooltip{min-width:205px}
  /* Ẩn thanh scrollbar trên mobile để biểu đồ có không gian tối đa */
  .fuel-chart-host g[aria-label="Scrollbar"],
  .fuel-chart-host .amcharts-scrollbar-chart {
    display: none !important;
  }
}

/* Thanh chọn thời gian dạng tab liền khối - Căn giữa đều dòng hoàn hảo */
.periods,
.trend .periods,
.chart-controls,
.subpage .chart-controls {
  display: inline-flex !important;
  align-items: center !important;
  vertical-align: middle !important;
  height: 40px !important;
  min-height: 40px !important;
  max-height: 40px !important;
  padding: 3px 4px !important;
  gap: 3px !important;
  border: 1px solid #dce7f3 !important;
  border-radius: 10px !important;
  background: #f2f6fb !important;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8) !important;
  box-sizing: border-box !important;
  margin: 0 !important;
}

.periods .range-label,
.trend .periods .range-label,
.chart-controls .range-label,
.subpage .chart-controls .range-label {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  height: 32px !important;
  min-height: 32px !important;
  max-height: 32px !important;
  line-height: 1 !important;
  font-family: inherit !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  color: #60758e !important;
  padding: 0 10px 0 8px !important;
  margin: 0 !important;
  border: 0 !important;
  border-right: 1px solid #d4e0ec !important;
  white-space: nowrap !important;
  box-sizing: border-box !important;
  vertical-align: middle !important;
}

.periods button,
.trend .periods button,
.chart-controls button,
.chart-controls button[data-range],
.subpage .chart-controls button[data-range] {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  height: 32px !important;
  min-height: 32px !important;
  max-height: 32px !important;
  min-width: 68px !important;
  padding: 0 12px !important;
  margin: 0 !important;
  border: 0 !important;
  border-radius: 7px !important;
  background: transparent !important;
  color: #315a83 !important;
  font-family: inherit !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  line-height: 1 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.3px !important;
  box-shadow: none !important;
  cursor: pointer !important;
  vertical-align: middle !important;
  box-sizing: border-box !important;
  transition: background 0.18s, color 0.18s, box-shadow 0.18s !important;
}

.periods button:hover,
.trend .periods button:hover,
.chart-controls button[data-range]:hover,
.subpage .chart-controls button[data-range]:hover {
  background: #e4eef8 !important;
  color: #0c559b !important;
}

.periods button.selected,
.periods button.is-active,
.trend .periods button.selected,
.trend .periods button.is-active,
.chart-controls button[data-range].is-active,
.subpage .chart-controls button[data-range].is-active {
  background: #0762b7 !important;
  background: linear-gradient(135deg, #075caa, #0c78d5) !important;
  color: #ffffff !important;
  font-weight: 700 !important;
  box-shadow: 0 3px 8px rgba(10, 101, 190, 0.22) !important;
}

.fuel-tabs,
.trend .fuel-tabs {
  display: inline-flex !important;
  align-items: center !important;
  vertical-align: middle !important;
  height: 36px !important;
  min-height: 36px !important;
  max-height: 36px !important;
  padding: 3px !important;
  gap: 3px !important;
  border: 1px solid #e0e8f1 !important;
  border-radius: 10px !important;
  background: #f6f9fc !important;
  box-sizing: border-box !important;
  margin: 6px 0 0 !important;
}

.fuel-tabs button,
.trend .fuel-tabs button {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  height: 30px !important;
  min-height: 30px !important;
  max-height: 30px !important;
  padding: 0 12px !important;
  margin: 0 !important;
  border: 0 !important;
  border-radius: 7px !important;
  background: transparent !important;
  color: #47617e !important;
  font-family: inherit !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  line-height: 1 !important;
  text-transform: none !important;
  box-shadow: none !important;
  cursor: pointer !important;
  vertical-align: middle !important;
  box-sizing: border-box !important;
  transition: background 0.18s, color 0.18s !important;
}

.fuel-tabs button:hover,
.trend .fuel-tabs button:hover {
  background: #edf3f8 !important;
  color: #0b65c9 !important;
}

.fuel-tabs button.selected,
.trend .fuel-tabs button.selected {
  background: #ffffff !important;
  color: #075fae !important;
  box-shadow: 0 2px 7px rgba(11, 55, 94, 0.12) !important;
}

@media(max-width:650px){
  .subpage .chart-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%}
  .subpage .chart-controls .range-label{grid-column:1/-1;width:100%;padding:0 7px 4px;border-right:0;border-bottom:1px solid #d4e0ec;line-height:25px}
  .subpage .chart-controls button[data-range]{width:100%;min-width:0}
  .trend .periods{width:100%;overflow-x:auto}
  .trend .periods button{flex:1;white-space:nowrap}
}