@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Space+Grotesk:wght@400;500;600&display=swap');

:root {
  color-scheme: light;
  --bg: #fbf9f8;
  --bg-accent: #f2fffd;
  --card: #ffffff;
  --card-muted: #f7fffb;
  --text: #0b0b0b;
  --muted: #727272;
  --accent: #46e1c8;
  --accent-strong: #181b68;
  --accent-soft: #bce7e0;
  --border: #eaeaea;
  --border-strong: #c4c4c4;
  --green: #1ab29a;
  --yellow: #ffd873;
  --red: #ea736a;
  --shadow-soft: 0 30px 80px rgba(24, 27, 104, 0.08);
  --layout-max: 1060px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Space Grotesk', 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at top right, rgba(70, 225, 200, 0.3), transparent 45%),
    radial-gradient(circle at 15% 20%, rgba(129, 148, 216, 0.2), transparent 50%), var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 0.5rem 1rem 2rem;
}

a {
  color: var(--accent-strong);
}

header,
.controls,
main,
.page-footer {
  max-width: var(--layout-max);
  margin: 0 auto;
}


.page-header {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.8rem 2rem;
  margin-top: 0.5rem;
  border-radius: 1.25rem;
  border: 1px solid var(--border);
  background: linear-gradient(120deg, var(--bg-accent), #e4f7f8 55%, var(--card));
  box-shadow: 0 18px 50px rgba(24, 27, 104, 0.08);
}

.hero-main {
  flex: 1;
}

.hero-heading {
  display: flex;
  gap: 0.9rem;
  align-items: center;
}

.brand {
  display: flex;
  gap: 0.9rem;
  align-items: center;
  flex-wrap: wrap;
  flex: 1 1 auto;
}

.brand-sponsor {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.9rem;
  border: 1px solid rgba(24, 27, 104, 0.12);
  background: var(--card);
  box-shadow: 0 6px 18px rgba(70, 225, 200, 0.15);
  min-width: 130px;
  flex: 0 0 auto;
}

.footer-sponsor-card {
  margin-bottom: 0.75rem;
  align-self: flex-start;
}

.brand-sponsor-label {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--accent-strong);
}

.brand-sponsor-logo {
  width: clamp(120px, 16vw, 180px);
  height: auto;
  display: block;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--accent-strong);
  margin: 0 0 0.3rem;
}

.page-header h1 {
  margin: 0;
  font-size: clamp(2.3rem, 4vw, 3.6rem);
  color: var(--accent-strong);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.title-icon {
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.subtitle {
  color: var(--muted);
  max-width: 520px;
  margin-top: 0.3rem;
  font-size: 0.95rem;
  line-height: 1.4;
}

.hero-tags {
  margin-top: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero-tags span {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: rgba(70, 225, 200, 0.16);
  color: var(--accent-strong);
  font-size: 0.8rem;
  border: 1px solid rgba(70, 225, 200, 0.4);
}

.hero-meta {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(24, 27, 104, 0.1);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.hero-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
}

.meta strong {
  color: var(--accent-strong);
}

.meta .data-source {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.github-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: var(--card-muted);
  color: var(--accent-strong);
  border: 1px solid rgba(24, 27, 104, 0.12);
}

.filters-header {
  max-width: var(--layout-max);
  margin: 0.9rem auto 0.35rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0 0.25rem;
}

.filters-header h2 {
  margin: 0;
  font-size: 1rem;
  color: var(--accent-strong);
}

.filters-header .ghost-btn {
  padding: 0.3rem 0.8rem;
}

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.65rem;
  padding: 0.95rem;
  background: var(--card);
  border-radius: 1rem;
  border: 1px solid var(--border);
  box-shadow: 0 18px 50px rgba(24, 27, 104, 0.08);
  margin: 0 auto;
  max-width: var(--layout-max);
}

.controls.collapsed {
  display: none;
}

.status-legend {
  margin: 0.75rem auto 0;
  max-width: var(--layout-max);
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  font-size: 0.85rem;
  color: var(--muted);
  padding: 0.4rem 0;
}

.legend-label {
  font-weight: 600;
  color: var(--accent-strong);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: rgba(24, 27, 104, 0.03);
  border: 1px solid rgba(24, 27, 104, 0.08);
}

.info-panel {
  max-width: var(--layout-max);
  margin: 1.15rem auto 0;
  padding: 1.2rem 1.4rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: 0 18px 50px rgba(24, 27, 104, 0.08);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.info-panel__column h2 {
  margin: 0 0 0.6rem;
  font-size: 1.2rem;
  color: var(--accent-strong);
}

.info-panel__notes .info-card {
  border-color: rgba(24, 27, 104, 0.18);
}

.info-card {
  padding: 0.85rem 0;
  border-top: 1px solid var(--border);
}

.info-panel__column .info-card:first-of-type {
  padding-top: 0;
  border-top: none;
}

.info-card h3 {
  margin: 0;
  font-size: 0.95rem;
  color: var(--accent-strong);
}

.info-card p {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.info-card ul {
  margin: 0.4rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.info-card li + li {
  margin-top: 0.3rem;
}

.source-list {
  margin-top: 0.75rem;
  padding-left: 1.1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.source-list a {
  color: var(--accent-strong);
  text-decoration: none;
  margin-right: 0.35rem;
}

.source-list a:hover,
.source-list a:focus-visible {
  text-decoration: underline;
}

.source-list a.is-disabled {
  pointer-events: none;
  opacity: 0.6;
}

.source-list li + li {
  margin-top: 0.35rem;
}

.source-footnote {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

.svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

.indicator {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(24, 27, 104, 0.12);
}

.indicator svg {
  width: 10px;
  height: 10px;
  display: block;
}

.indicator-sustainable {
  background: var(--green);
}

.indicator-nuclear {
  background: #8194d8;
}

.tags {
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
  margin-left: 0.4rem;
}

.control {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
}

.control label {
  font-weight: 600;
}

.control-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.65rem;
}

.control select,
.control input[type='search'] {
  width: 100%;
  padding: 0.45rem 0.6rem;
  border-radius: 0.65rem;
  border: 1px solid var(--border);
  background: var(--bg-accent);
  color: var(--text);
  font-size: 0.9rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.control select:focus,
.control input[type='search']:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(70, 225, 200, 0.25);
}

.control.checkbox {
  gap: 0.25rem;
}

.control.checkbox label {
  font-weight: 400;
  display: flex;
  gap: 0.3rem;
  align-items: center;
}

.control.checkbox input {
  accent-color: var(--accent);
}

.status-banner {
  margin: 0.9rem 0 0.6rem;
  padding: 0.75rem 1rem;
  border-radius: 0.85rem;
  background: rgba(70, 225, 200, 0.18);
  color: var(--accent-strong);
  border: 1px solid rgba(70, 225, 200, 0.6);
}

.status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.ghost-btn {
  background: transparent;
  border: 1px solid rgba(24, 27, 104, 0.2);
  color: var(--accent-strong);
  border-radius: 999px;
  padding: 0.4rem 1.15rem;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.ghost-btn:hover {
  background: rgba(24, 27, 104, 0.07);
  border-color: rgba(24, 27, 104, 0.35);
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.85rem;
  border-radius: 999px;
  background: rgba(24, 27, 104, 0.08);
  border: 1px solid rgba(24, 27, 104, 0.15);
  font-size: 0.8rem;
  cursor: pointer;
}

.chip span:last-child {
  opacity: 0.65;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.75rem;
  background: var(--card);
  border-radius: 0.9rem;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(24, 27, 104, 0.08);
}

.table th,
.table td {
  padding: 0.65rem 0.65rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 0.9rem;
}

.table th {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: var(--card-muted);
}

.sort-button {
  all: unset;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  color: var(--muted);
}

.sort-button.is-active {
  color: var(--accent-strong);
}

.sort-indicator {
  font-size: 0.75rem;
}

.carbon-value {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.carbon-value .tags {
  margin-left: 0;
}

.entity-block {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.entity-logo {
  width: 34px;
  height: 34px;
  border-radius: 0.65rem;
  background: rgba(24, 27, 104, 0.05);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.entity-logo img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  display: block;
  color: var(--accent-strong);
}

.entity-text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge.available {
  background: rgba(26, 178, 154, 0.15);
  color: var(--green);
}

.badge.preview {
  background: rgba(255, 216, 115, 0.25);
  color: #c28900;
}

.badge.unavailable {
  background: rgba(234, 115, 106, 0.15);
  color: var(--red);
}

.region-pill {
  display: inline-flex;
  gap: 0.4rem;
  align-items: center;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: rgba(24, 27, 104, 0.08);
  color: var(--accent-strong);
}

.notes {
  font-size: 0.85rem;
  color: var(--muted);
}

.region-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.group-block {
  margin-bottom: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 1.1rem;
  overflow: hidden;
  background: var(--card);
  box-shadow: 0 18px 50px rgba(24, 27, 104, 0.08);
}

.group-header {
  padding: 0.95rem;
  background: var(--card-muted);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--accent-strong);
}

.group-header-title {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.group-header-title h3 {
  margin: 0;
}

.group-header span {
  color: var(--muted);
  font-size: 0.85rem;
}

.page-footer {
  max-width: var(--layout-max);
  margin: 1.25rem auto 0;
  padding: 1rem 1rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.footer-links article {
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: var(--card);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-soft);
}

.footer-links h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
}

.footer-links p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

@media (max-width: 900px) {
  .page-header {
    padding: 1.3rem;
  }
}

@media (max-width: 720px) {
  .hero-heading {
    flex-direction: column;
    align-items: flex-start;
  }

  .controls {
    grid-template-columns: 1fr;
  }

  .status-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .table th,
  .table td {
    font-size: 0.85rem;
  }
}

@media (min-width: 960px) {
  .page-header {
    flex-direction: row;
    align-items: flex-start;
  }

  .meta {
    margin-left: auto;
  }
}