:root {
  --bg: #0b1015;
  --panel: #121821;
  --panel-2: #0f141c;
  --text: #e8eef7;
  --muted: #a9b4c4;
  --accent: #4dd1ff;
  --accent-2: #94f7c5;
  --danger: #ff6b6b;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7fafc;
    --panel: #ffffff;
    --panel-2: #f3f6fb;
    --text: #0a1018;
    --muted: #495469;
    --accent: #007bff;
    --accent-2: #00a676;
    --danger: #d12b2b;
    --shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  }
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial,
    "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 80% -10%, rgba(77, 209, 255, 0.15), transparent 60%),
    radial-gradient(1000px 700px at -10% 20%, rgba(148, 247, 197, 0.12), transparent 60%), var(--bg);
  color: var(--text);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(120%) blur(10px);
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  border-bottom: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  gap: 10px;
  align-items: center;
}
.logo {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: var(--shadow);
  font-size: 18px;
}
.site-title {
  font-size: 18px;
  margin: 0;
  line-height: 1.1;
}
.site-tagline {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}
.header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}
.ghost {
  background: transparent;
  border: 1px solid color-mix(in oklab, var(--text) 15%, transparent);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
}
.ghost:hover {
  border-color: color-mix(in oklab, var(--text) 30%, transparent);
}

.search-panel {
  margin-top: 14px;
  background: var(--panel);
  border: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.search-row {
  display: grid;
  gap: 10px;
  grid-template-columns: 90px 1fr auto;
  align-items: center;
}
.search-label {
  color: var(--muted);
}
.search-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid color-mix(in oklab, var(--text) 14%, transparent);
  background: var(--panel-2);
  color: var(--text);
}
.help {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 18px 0;
}
.card {
  background: var(--panel);
  border: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.metric .metric-label {
  color: var(--muted);
  margin-bottom: 8px;
}
.metric .metric-value {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.metric .metric-sub {
  color: var(--muted);
  font-size: 13px;
}
.card-label {
  color: var(--muted);
  margin-bottom: 4px;
}
.card-value {
  font-size: 18px;
  font-weight: 600;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 8px 2px 10px;
}
.inline {
  color: var(--muted);
  font-size: 14px;
}
.inline select {
  margin-left: 6px;
  padding: 6px 8px;
  border-radius: 8px;
  background: var(--panel-2);
  border: 1px solid color-mix(in oklab, var(--text) 14%, transparent);
  color: var(--text);
}

.year-chart {
  background: var(--panel);
  border: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.bars {
  display: grid;
  grid-template-columns: repeat(12, minmax(14px, 1fr));
  align-items: end;
  gap: 8px;
  height: 220px;
  padding: 8px;
  background: var(--panel-2);
  border-radius: 10px;
  border: 1px dashed color-mix(in oklab, var(--text) 10%, transparent);
}
.bar {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  border-radius: 8px;
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--accent) 85%, var(--accent-2)),
    color-mix(in oklab, var(--accent) 60%, transparent)
  );
  min-height: 2px;
}
.bar[data-active="false"] {
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--text) 12%, transparent),
    transparent
  );
  border: 1px solid color-mix(in oklab, var(--text) 16%, transparent);
}
.bar:hover {
  outline: 2px solid color-mix(in oklab, var(--accent) 45%, transparent);
}
.bar .value {
  position: absolute;
  top: -24px;
  font-size: 12px;
  color: var(--text);
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  padding: 2px 6px;
  border-radius: 6px;
  border: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
}
.legend {
  display: grid;
  grid-template-columns: repeat(12, minmax(14px, 1fr));
  gap: 8px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
  padding: 0 8px;
}
.legend .label {
  text-align: center;
}

.hourly {
  margin-top: 18px;
  background: var(--panel);
  border: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.hour-grid {
  display: grid;
  grid-template-columns: repeat(24, 1fr);
  gap: 3px;
  padding: 10px;
  background: var(--panel-2);
  border-radius: 10px;
  border: 1px dashed color-mix(in oklab, var(--text) 10%, transparent);
}
.hour-cell {
  height: 22px;
  border-radius: 6px;
  background: color-mix(in oklab, var(--text) 10%, transparent);
  position: relative;
}
.hour-cell[data-hot="true"] {
  background: linear-gradient(
    180deg,
    color-mix(in oklab, var(--accent-2) 80%, var(--accent)),
    color-mix(in oklab, var(--accent-2) 50%, transparent)
  );
}
.hour-cell[data-daylight="false"] {
  opacity: 0.35;
  filter: grayscale(0.8);
}
.hour-cell::after {
  content: attr(data-hour);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: transparent;
  font-size: 11px;
}
.hour-cell:hover::after {
  color: var(--text);
  background: color-mix(in oklab, var(--bg) 65%, transparent);
  border-radius: 6px;
}
.note {
  color: var(--muted);
  font-size: 13px;
  margin: 10px 2px 0;
}

.about {
  margin: 20px 0 40px;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid color-mix(in oklab, var(--text) 10%, transparent);
  margin-top: 24px;
}

.visually-hidden {
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

@media (max-width: 900px) {
  .summary {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .search-row {
    grid-template-columns: 1fr;
  }
  .summary {
    grid-template-columns: 1fr;
  }
  .bars {
    height: 180px;
  }
}