:root {
  --bg: #FBFAF7;
  --surface: #FFFFFF;
  --ink: #191917;
  --muted: #5F5E58;
  --faint: #8A8880;
  --line: #E3E1DA;
  --green: #0E6B3C;
  --green-tint: #E9F2EC;
  --amber: #B45309;
  --amber-tint: #FBEDE1;
  --font: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: min(100%, 68rem);
  margin: 0 auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgb(251 250 247 / 88%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.nav-inner {
  min-height: 3.7rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}
.public-label {
  border-radius: 999px;
  background: var(--green-tint);
  color: var(--green);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.7rem;
}
.nav-actions { display: flex; align-items: center; gap: .6rem; }
.account-link { border: 1px solid var(--line); border-radius: 999px; padding: .3rem .7rem; color: var(--ink); font-size: .8rem; text-decoration: none; }
.account-link:hover { border-color: var(--green); color: var(--green); }
.account-link:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; }
@media (max-width: 440px) { .nav-actions .public-label { display: none; } }

main { padding-block: clamp(0.9rem, 2vw, 1.5rem); }
.loading { color: var(--faint); padding: 4rem 0; text-align: center; }

.status-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  align-items: stretch;
}

.card {
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  background: var(--surface);
  padding: clamp(1.35rem, 2.5vw, 2rem);
}

.card-label,
.plan-card h1 {
  color: var(--faint);
  font-size: clamp(0.78rem, 1.4vw, 0.98rem);
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.battery-value {
  margin-top: 1.05rem;
  font-size: clamp(3.2rem, 6vw, 4.7rem);
  font-weight: 600;
  letter-spacing: -0.065em;
  line-height: 1;
}
.battery-value small { color: var(--faint); font-size: 0.35em; font-weight: 400; letter-spacing: 0; }
.battery-bar { height: 0.8rem; margin: 1rem 0 0.8rem; overflow: hidden; border-radius: 999px; background: var(--line); }
.battery-bar span { display: block; height: 100%; border-radius: inherit; background: var(--green); }

.flow,
.hardware { color: var(--muted); font-size: clamp(0.9rem, 1.6vw, 1.15rem); }
.hardware { margin-top: 0.75rem; }

.price-charts { display: grid; gap: 0.85rem; margin-top: 1.5rem; }
.battery-level-charts { margin-top: 0.85rem; }
.energy-charts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 0.85rem;
}
.plan-card { width: 100%; max-width: 46em; margin: 0 auto; padding-bottom: 1.25rem; }
.plan-card h1 { text-align: center; }
.chart-subtitle { margin-top: 0.3rem; color: var(--faint); font-size: 0.78rem; text-align: center; }
.chart-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  padding: 1.25rem 1.25rem 0.9rem;
}
.export-chart-card { padding-top: 1rem; }
.energy-card h1 {
  color: var(--muted);
  font-size: clamp(0.78rem, 1.4vw, 0.98rem);
  font-weight: 600;
  letter-spacing: 0.13em;
  text-align: center;
  text-transform: uppercase;
}
.energy-card .chart-subtitle { color: var(--muted); }
.profile-total { margin-top: 0.7rem; color: var(--muted); text-align: center; }
.profile-total strong { color: var(--ink); font-weight: 600; }
.pchart-wrap { position: relative; touch-action: pan-y; }
.pc-legend { display: flex; gap: 14px; margin-top: 0.6rem; flex-wrap: wrap; font-size: 0.78rem; color: var(--muted); }
.pc-legend span { display: inline-flex; align-items: center; gap: 6px; }
.pc-swatch { width: 12px; height: 10px; border-radius: 3px; display: inline-block; }
.pc-swatch.charging { background: rgba(14,107,60,0.16); }
.pc-swatch.holding { background: transparent; border: 1px solid var(--line); }
.pc-swatch.house { background: rgba(57,115,172,0.10); }
.pc-swatch.exporting { background: rgba(180,83,9,0.12); border: 1px solid rgba(180,83,9,0.2); }
.pc-swatch.axle { background: rgba(180,83,9,0.22); border: 1px solid rgba(180,83,9,0.32); }
.pc-swatch.import-line,
.pc-swatch.export-line,
.pc-swatch.standard-line { height: 0; border-radius: 0; background: none; }
.pc-swatch.import-line { border-top: 2px solid var(--ink); }
.pc-swatch.export-line { border-top: 2px solid var(--amber); }
.pc-swatch.standard-line { border-top: 2px dashed #B4B1A8; }
.profile-swatch { width: 14px; height: 0; display: inline-block; border-top: 3px solid; }
.profile-swatch.source { border-color: #706E68; }
.profile-swatch.forecast { border-color: var(--green); border-top-style: dashed; }
.profile-swatch.actual { border-color: var(--ink); }
.profile-swatch.battery-level { border-color: var(--green); }
.profile-line { stroke-linecap: round; stroke-linejoin: round; }
.profile-line.source { stroke: #706E68; stroke-width: 3.2; }
.profile-line.forecast { stroke: var(--green); stroke-width: 2.2; stroke-dasharray: 7 5; }
.profile-line.actual { stroke: var(--ink); stroke-width: 2.4; }
.profile-point.source { fill: #706E68; }
.profile-point.forecast { fill: var(--green); }
.profile-point.actual { fill: var(--ink); }
.battery-level-summary {
  display: grid;
  grid-template-columns: 1.15fr repeat(2, 1fr);
  gap: 0.65rem;
  margin: 1rem 0 0.45rem;
}
.battery-level-summary > div {
  min-width: 0;
  border-left: 1px solid var(--line);
  padding-left: 0.75rem;
}
.battery-level-summary > div:first-child { border-left: 0; padding-left: 0; }
.battery-level-summary strong,
.battery-level-summary span { display: block; }
.battery-level-summary strong { color: var(--ink); font-size: 0.92rem; font-weight: 600; white-space: nowrap; }
.battery-level-summary span { margin-top: 0.1rem; color: var(--faint); font-size: 0.68rem; }
.battery-level-latest strong { color: var(--green); font-size: 1.65rem; letter-spacing: -0.04em; line-height: 1; }
.battery-level-plot { fill: #FCFDFB; }
.battery-level-grid { stroke: #E9EDE8; stroke-width: 1; }
.battery-level-reserve { fill: rgba(180, 83, 9, 0.055); }
.battery-level-reserve-line { stroke: rgba(180, 83, 9, 0.46); stroke-width: 1; stroke-dasharray: 5 5; }
.battery-level-reserve-label { fill: var(--amber) !important; font-size: 10.5px !important; font-weight: 600; }
.battery-level-line {
  fill: none;
  stroke: var(--green);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
}
.battery-level-latest-halo { fill: rgba(14, 107, 60, 0.14); }
.battery-level-latest-point { fill: var(--surface); stroke: var(--green); stroke-width: 3; }
.battery-level-latest-label { fill: var(--green) !important; font-size: 12px !important; font-weight: 600; }
.pc-swatch.reserve { background: rgba(180, 83, 9, 0.08); border: 1px dashed rgba(180, 83, 9, 0.5); }
.battery-level-legend { justify-content: center; }
.pc-tip {
  position: absolute; pointer-events: none; display: none;
  background: var(--ink); color: var(--bg); border-radius: 8px;
  padding: 7px 10px; font-size: 0.78rem; line-height: 1.5; white-space: nowrap; z-index: 5; text-align: left;
}
.pc-tip b { color: #fff; }
.chart-card svg { width: 100%; height: auto; display: block; overflow: visible; }
.chart-card svg text { font-family: var(--font); font-size: 12.5px; fill: var(--faint); }
.chart-card svg .now-line { stroke: var(--green); stroke-width: 1.5; stroke-dasharray: 4 4; }
.chart-card svg .now-label { fill: var(--green); font-size: 11px; font-weight: 600; letter-spacing: 0; text-transform: none; }

.savings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
}
.saving-card { min-width: 0; position: relative; }
.saving-label {
  color: var(--green);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.saving-value-line {
  margin-top: 1rem;
  display: flex;
  align-items: flex-start;
}
.saving-value {
  color: var(--green);
  font-size: clamp(2.4rem, 5vw, 3.7rem);
  font-weight: 600;
  letter-spacing: -0.055em;
  line-height: 1;
  white-space: nowrap;
}
.saving-value.loss { color: var(--amber); }
.saving-explainer { position: relative; flex: 0 0 auto; }
.saving-explainer summary {
  display: inline-flex;
  padding: 0 0.18rem;
  color: var(--amber);
  cursor: pointer;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
  list-style: none;
}
.saving-explainer summary::-webkit-details-marker { display: none; }
.saving-popup {
  position: absolute;
  z-index: 8;
  top: 1.65rem;
  left: -0.35rem;
  width: min(15rem, calc(100vw - 3rem));
  border-radius: 0.7rem;
  background: var(--ink);
  box-shadow: 0 0.65rem 1.8rem rgb(0 0 0 / 18%);
  color: var(--surface);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.4;
  padding: 0.7rem 0.8rem;
}
.saving-card:last-child .saving-popup { right: -0.35rem; left: auto; }

.saving-basis { margin-top: 0.65rem; color: var(--muted); font-size: 0.8rem; }
.solar-saving { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.25rem 0.75rem; margin-top: 1.15rem; padding-top: 0.8rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.88rem; }
.solar-saving strong { color: var(--ink); font-weight: 600; }
.savings-details { margin: -0.7rem 0 1.5rem; color: var(--muted); font-size: 0.82rem; }
.savings-details summary, .plan-details summary { cursor: pointer; width: fit-content; padding-block: 0.4rem; }
.savings-details p { max-width: 48rem; margin-top: 0.7rem; }
.savings-details dl { max-width: 32rem; margin-top: 0.7rem; }
.savings-details dl div { display: flex; justify-content: space-between; gap: 1rem; padding-block: 0.2rem; }
.savings-details dd { color: var(--ink); font-weight: 600; white-space: nowrap; }
.behaviour-headline { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem 1rem; margin-top: 0.75rem; }
.behaviour-headline h1, .behaviour-power { font-size: clamp(1.8rem, 4vw, 2.7rem); line-height: 1.15; letter-spacing: -0.04em; font-weight: 600; }
.behaviour-card.charging .behaviour-headline, .behaviour-card.solar .behaviour-headline { color: var(--green); }
.behaviour-card.discharging .behaviour-headline { color: #3973AC; }
.behaviour-card.exporting .behaviour-headline { color: var(--amber); }
.behaviour-card.unknown .behaviour-headline { color: var(--muted); }
.behaviour-detail { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.35rem 1rem; color: var(--muted); margin-top: 0.65rem; font-size: 0.9rem; }
.behaviour-rate { color: var(--ink); }
.next-plan { margin-top: 1.1rem; font-size: 0.88rem; color: var(--muted); }
.next-plan strong { font-weight: 600; color: var(--ink); }
.plan-details { margin-top: 0.65rem; color: var(--muted); font-size: 0.82rem; }
.plan-explanation { margin: 0.55rem 0; max-width: 38rem; }
.schedule-day { margin: 1rem 0 0.35rem; font-size: 0.9rem; color: var(--ink); }
.schedule-list { list-style: none; max-width: 34rem; }
.schedule-list li { display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--line); padding: 0.55rem 0; }
.schedule-list time { white-space: nowrap; }
.schedule-list span { text-align: right; color: var(--ink); }
.refresh-status { font-size: 0.85rem; color: var(--amber); }
.refresh-status:not(:empty) { margin-bottom: 0.8rem; }
summary:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; border-radius: 2px; }

.unavailable { color: var(--muted); padding: 3rem 0; text-align: center; }
.not-found { max-width: 34rem; margin: 5rem auto; text-align: center; }
.not-found h1 { font-size: 2rem; }
.not-found p { margin: 1rem 0; color: var(--muted); }
.not-found a { color: var(--green); }

@media (min-width: 861px) {
  .status-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plan-card { max-width: none; }
}

@media (max-width: 860px) {
  .status-grid { grid-template-columns: 1fr; gap: 0.85rem; }
  .savings-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.85rem; }
  .price-charts { margin-top: 0.85rem; }
  .energy-charts { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .wrap { padding-inline: 0.85rem; }
  main { padding-block: 0.7rem; }
  .card { border-radius: 1rem; padding: 1.1rem; }
  .battery-value { font-size: 3.35rem; }
  .chart-card { padding: 0.85rem 0.85rem 0.7rem; }
  .plan-card h1 { font-size: 0.71rem; letter-spacing: 0.09em; }
  .energy-card h1 { font-size: 0.71rem; letter-spacing: 0.09em; }
  .chart-card svg text { font-size: 17px; }
  .savings-grid { gap: 0.7rem; margin-bottom: 0.85rem; }
  .saving-card { padding: 0.9rem; }
  .saving-label { font-size: 0.72rem; letter-spacing: 0.1em; }
  .saving-value-line { margin-top: 0.65rem; }
  .saving-value { font-size: clamp(1.65rem, 8vw, 2.15rem); }
  .saving-explainer summary { font-size: 1rem; }
  .saving-basis { font-size: 0.7rem; }
  .solar-saving { font-size: 0.75rem; margin-top: 0.8rem; padding-top: 0.65rem; }
  .savings-details { margin: -0.3rem 0 0.8rem; font-size: 0.75rem; }
  .behaviour-detail, .next-plan { font-size: 0.8rem; }
  .schedule-list { font-size: 0.75rem; }
  .battery-level-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 0.8rem; }
  .battery-level-summary > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .battery-level-summary strong { font-size: 0.82rem; }
  .battery-level-latest strong { font-size: 1.45rem; }
}

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }