:root {
  --paper: #f2f1ec;
  --panel: #fbfaf6;
  --ink: #17201d;
  --muted: #68716d;
  --line: #d7d9d3;
  --grid: #355c7d;
  --shared: #e7ad3c;
  --solar: #2d8265;
  --carbon: #bb5846;
  --shadow: 0 8px 24px rgb(23 32 29 / 7%);
}

* { box-sizing: border-box; }
html { background: var(--paper); color: var(--ink); font-family: "Manrope", sans-serif; }
body {
  margin: 0;
  background: linear-gradient(90deg, rgb(23 32 29 / 2%) 1px, transparent 1px), linear-gradient(rgb(23 32 29 / 2%) 1px, transparent 1px), var(--paper);
  background-size: 32px 32px;
}
button { font: inherit; }
.topbar, main, footer { width: min(1440px, calc(100% - 48px)); margin-inline: auto; }
.topbar { min-height: 128px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--ink); }
h1, h2, p { margin: 0; }
h1 { margin-top: 7px; font-size: clamp(28px, 4vw, 52px); line-height: 1; letter-spacing: 0; }
h2 { margin-top: 5px; font-size: 21px; line-height: 1.25; letter-spacing: 0; }
.eyebrow, .unit, footer { color: var(--muted); font-family: "DM Mono", monospace; font-size: 11px; letter-spacing: 0; }

.year-total { min-width: 190px; padding-left: 18px; border-left: 3px solid var(--carbon); }
.year-total > span, .year-total small { display: block; color: var(--muted); font-size: 11px; }
.year-total strong { display: block; margin: 5px 0 3px; font-family: "DM Mono", monospace; font-size: 22px; font-weight: 500; white-space: nowrap; }
.top-actions { display: flex; align-items: center; gap: 12px; }
.language-switch { display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid var(--ink); background: var(--panel); }
.language-button { min-width: 48px; min-height: 42px; border: 0; background: transparent; color: var(--ink); cursor: pointer; font-family: "DM Mono", monospace; font-size: 12px; font-weight: 600; }
.language-button + .language-button { border-left: 1px solid var(--ink); }
.language-button.is-active { background: var(--ink); color: var(--panel); }
.solar-factor-control { display: block; }
.solar-factor-label { display: none; }
.solar-factor-switch { display: grid; grid-template-columns: repeat(2, max-content); border: 1px solid var(--ink); background: var(--panel); }
.solar-factor-button { min-width: 92px; min-height: 42px; padding: 0 9px; border: 0; background: transparent; color: var(--ink); cursor: pointer; font-family: "DM Mono", monospace; font-size: 10px; font-weight: 500; }
.solar-factor-button + .solar-factor-button { border-left: 1px solid var(--ink); }
.solar-factor-button.is-active { background: var(--ink); color: var(--panel); }
.month-select { min-width: 142px; min-height: 44px; padding: 0 34px 0 14px; border: 1px solid var(--ink); border-radius: 0; background: var(--panel); color: var(--ink); cursor: pointer; font: 600 14px "Manrope", sans-serif; }

main { padding-block: 28px 40px; }
.summary-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin-bottom: 12px; }
.metric, .panel { border: 1px solid var(--line); background: var(--panel); box-shadow: var(--shadow); }
.metric { position: relative; min-height: 154px; padding: 20px; overflow: hidden; }
.metric::before { position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--metric-color, var(--ink)); content: ""; }
.metric-consumption { --metric-color: var(--ink); }
.metric-shared { --metric-color: var(--shared); }
.metric-grid { --metric-color: var(--grid); }
.metric-solar { --metric-color: var(--solar); }
.metric-carbon { --metric-color: var(--carbon); }
.metric span, .metric small { display: block; color: var(--muted); font-size: 12px; }
.metric strong { display: block; margin: 18px 0 6px; font-family: "DM Mono", monospace; font-size: clamp(24px, 2.4vw, 38px); font-weight: 500; line-height: 1; white-space: nowrap; }

.panel { min-width: 0; padding: 22px; }
.panel-head { min-height: 48px; display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.chart-panel, .battery-panel, .carbon-panel { margin-bottom: 12px; }
.chart { width: 100%; height: 300px; margin-top: 10px; }
.chart-main { height: 390px; }
.legend { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 16px; color: var(--muted); font-size: 12px; }
.legend span { display: inline-flex; align-items: center; gap: 7px; }
.legend b { font-weight: 400; }
.swatch { width: 9px; height: 9px; display: inline-block; }
.swatch-grid { background: var(--grid); }
.swatch-shared { background: var(--shared); }
.swatch-solar { background: var(--solar); }
.battery-layout { display: grid; grid-template-columns: minmax(420px, .9fr) minmax(360px, 1.1fr); gap: 28px; align-items: center; }
.scenario-metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 18px; border-block: 1px solid var(--line); }
.scenario-metrics div { min-width: 0; padding: 16px 14px; }
.scenario-metrics div:nth-child(even) { border-left: 1px solid var(--line); }
.scenario-metrics div:nth-child(n + 3) { border-top: 1px solid var(--line); }
.scenario-metrics > div > span, .scenario-metrics strong { display: block; }
.scenario-metrics > div > span { min-height: 36px; color: var(--muted); font-size: 11px; }
.scenario-metrics strong { margin-top: 7px; font-family: "DM Mono", monospace; font-size: 20px; font-weight: 500; white-space: nowrap; }
.scenario-metrics strong span { display: inline; }
.scenario-chart-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding-inline: 4px; }
.scenario-chart-head strong { font-size: 13px; font-weight: 600; }
.chart-battery { height: 260px; margin-top: 0; }
.carbon-layout { display: grid; grid-template-columns: minmax(270px, .38fr) minmax(0, 1fr); gap: 24px; align-items: stretch; }
.carbon-totals { display: grid; grid-template-columns: 1fr; margin-top: 18px; border-block: 1px solid var(--line); }
.carbon-totals div { min-width: 0; padding: 14px 10px; }
.carbon-totals div + div { border-top: 1px solid var(--line); }
.carbon-totals span, .carbon-totals strong { display: block; }
.carbon-totals span { color: var(--muted); font-size: 10px; }
.carbon-totals strong { margin-top: 5px; font-family: "DM Mono", monospace; font-size: 20px; font-weight: 500; white-space: nowrap; }
.chart-carbon { height: 260px; }
.table-wrap { max-width: 100%; margin-top: 18px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
th, td { padding: 11px 14px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
th { color: var(--muted); font-size: 11px; font-weight: 600; text-transform: uppercase; }
th:first-child, td:first-child { padding-left: 0; text-align: left; }
tbody tr:hover { background: #f4f3ed; }
.icon-button { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line); background: transparent; color: var(--ink); cursor: pointer; }
.icon-button:hover { border-color: var(--ink); background: var(--paper); }
.icon-button svg { width: 19px; fill: none; stroke: currentColor; stroke-linecap: square; stroke-linejoin: miter; stroke-width: 1.6; }
footer { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); }
.error { color: var(--carbon); }

@media (max-width: 1000px) {
  .topbar { flex-wrap: wrap; padding-block: 20px; gap: 20px; }
  .top-actions { width: 100%; justify-content: flex-end; padding-top: 16px; border-top: 1px solid var(--line); }
  .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric-carbon { grid-column: span 2; }
  .battery-layout { grid-template-columns: 1fr; }
  .carbon-layout { grid-template-columns: 1fr; }
  .carbon-totals { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .carbon-totals div + div { border-top: 0; border-left: 1px solid var(--line); }
}

@media (max-width: 640px) {
  .topbar, main, footer { width: min(100% - 24px, 1440px); }
  .topbar { min-height: 150px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 20px; }
  .year-total { width: 100%; }
  .top-actions { width: 100%; flex-wrap: wrap; justify-content: flex-start; }
  .month-select { flex: 1; min-width: 0; }
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .metric { min-height: 132px; padding: 16px; }
  .metric-consumption, .metric-carbon { grid-column: span 2; }
  .panel { padding: 16px; }
  .panel-head { align-items: flex-start; flex-direction: column; gap: 10px; }
  .solar-factor-control { width: 100%; }
  .solar-factor-label { display: block; margin-bottom: 6px; }
  .solar-factor-switch { width: 100%; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .legend { justify-content: flex-start; }
  .chart-main { height: 340px; }
  .scenario-metrics div { padding-inline: 10px; }
  .scenario-metrics strong { font-size: 17px; }
  .carbon-totals { grid-template-columns: 1fr; }
  .carbon-totals div + div { border-top: 1px solid var(--line); border-left: 0; }
  footer { padding-block: 18px; align-items: flex-start; flex-direction: column; }
}