:root {
  color-scheme: dark;
  --bg-deep: #04111d;
  --bg-mid: #0a2840;
  --surface: rgba(8, 26, 43, 0.78);
  --surface-strong: rgba(5, 18, 30, 0.9);
  --surface-soft: rgba(12, 38, 60, 0.56);
  --border-soft: rgba(124, 203, 214, 0.16);
  --border-strong: rgba(124, 203, 214, 0.3);
  --text-primary: #f4fbff;
  --text-secondary: rgba(210, 228, 237, 0.8);
  --accent: #72d6cb;
  --accent-strong: #9ce7df;
  --accent-warm: #ffd27d;
  --shadow-lg: 0 26px 56px rgba(1, 8, 14, 0.35);
  --shadow-xl: 0 42px 92px rgba(1, 8, 14, 0.48);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  min-height: 100vh;
  color: var(--text-primary);
  font-family: "Sora", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 18% 18%, rgba(114, 214, 203, 0.22), transparent 28%),
    radial-gradient(circle at 82% 8%, rgba(255, 210, 125, 0.12), transparent 24%),
    linear-gradient(180deg, #06111b 0%, #03101a 46%, #020811 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  z-index: 0;
  background:
    linear-gradient(135deg, rgba(2, 9, 15, 0.12), rgba(2, 9, 15, 0.56)),
    radial-gradient(circle at 50% 120%, rgba(114, 214, 203, 0.14), transparent 32%);
}

body::after {
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.22), rgba(0, 0, 0, 0));
  opacity: 0.28;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.surface {
  background: linear-gradient(180deg, var(--surface), var(--surface-strong));
  border: 1px solid var(--border-soft);
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
}

.observatory-shell {
  position: relative;
  z-index: 1;
  max-width: 1500px;
  min-height: 100vh;
  margin: 0 auto;
  padding: clamp(0.9rem, 1.6vw, 1.4rem);
  display: grid;
  gap: 1rem;
}

.observatory-topbar {
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.observatory-brand {
  display: grid;
  gap: 0.45rem;
  max-width: 52rem;
}

.observatory-kicker,
.observatory-panel__eyebrow,
.observatory-stage__eyebrow,
.observatory-footer__eyebrow,
.observatory-section-label {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.observatory-title,
.observatory-panel__title,
.observatory-stage__title {
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.observatory-title {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.observatory-subtitle,
.observatory-panel__body,
.observatory-footer__body,
.observatory-stage__summary,
.observatory-list {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.65;
}

.observatory-subtitle {
  max-width: 44rem;
}

.observatory-nav {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.observatory-nav a {
  padding: 0.72rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(4, 15, 25, 0.42);
  color: var(--text-secondary);
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease, transform 180ms ease;
}

.observatory-nav a:hover,
.observatory-nav a[data-active="true"] {
  border-color: rgba(156, 231, 223, 0.4);
  background: rgba(12, 38, 60, 0.72);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.observatory-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.95fr);
  gap: 1rem;
  align-items: start;
}

.observatory-stage {
  position: relative;
  min-height: clamp(30rem, 76vh, 52rem);
  overflow: hidden;
  isolation: isolate;
}

.observatory-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 20%, rgba(0, 0, 0, 0.24)),
    radial-gradient(circle at top right, rgba(255, 210, 125, 0.18), transparent 24%),
    radial-gradient(circle at bottom left, rgba(114, 214, 203, 0.16), transparent 32%);
  pointer-events: none;
  z-index: 1;
}

.observatory-map-frame {
  position: absolute;
  inset: 0;
}

.observatory-map-host {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.observatory-stage__copy {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 0.4rem;
  max-width: min(36rem, calc(100% - 2rem));
  padding: clamp(1.2rem, 2vw, 1.6rem);
}

.observatory-stage__title {
  font-size: clamp(1.7rem, 2.8vw, 2.45rem);
}

.observatory-stage__summary {
  max-width: 28rem;
  text-shadow: 0 10px 24px rgba(2, 8, 14, 0.55);
}

.observatory-stage__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.6rem;
}

.observatory-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(4, 15, 25, 0.6);
  color: var(--text-primary);
  font-size: 0.82rem;
}

.observatory-side {
  display: grid;
  gap: 1rem;
}

.observatory-panel,
.observatory-card {
  padding: 1.15rem 1.2rem 1.2rem;
}

.observatory-panel {
  display: grid;
  gap: 0.7rem;
}

.observatory-panel__title {
  font-size: 1.45rem;
}

.observatory-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.observatory-stat {
  padding: 0.85rem 0.95rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(4, 15, 25, 0.45);
}

.observatory-stat__label {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.observatory-stat__value {
  display: block;
  margin-top: 0.3rem;
  font-size: 1.08rem;
  font-weight: 600;
}

.observatory-list {
  padding-left: 1.1rem;
}

.observatory-list li + li {
  margin-top: 0.45rem;
}

.observatory-link-row {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.observatory-link-pill {
  padding: 0.72rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(4, 15, 25, 0.4);
  color: var(--text-primary);
}

.observatory-link-pill:hover {
  border-color: rgba(156, 231, 223, 0.34);
  background: rgba(12, 38, 60, 0.64);
}

.observatory-slot {
  display: grid;
  gap: 1rem;
}

.observatory-control-stack {
  display: grid;
  gap: 1rem;
}

.observatory-card {
  background: linear-gradient(180deg, var(--surface-soft), rgba(5, 18, 30, 0.92));
  border: 1px solid var(--border-soft);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
}

.observatory-radio-group {
  display: grid;
  gap: 0.65rem;
}

.observatory-radio {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.75rem 0.9rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(4, 15, 25, 0.46);
  cursor: pointer;
}

.observatory-radio input {
  accent-color: var(--accent);
  margin: 0;
}

.observatory-slider-group {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
}

.observatory-slider-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.observatory-slider-label {
  color: var(--text-secondary);
}

.observatory-slider-value {
  font-weight: 600;
}

.observatory-slider-control > span {
  display: block;
}

.observatory-slider-control input {
  width: 100%;
}

.observatory-legend-scale {
  display: grid;
  gap: 0.55rem;
}

.observatory-legend-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.8rem;
}

.observatory-legend-value {
  color: var(--text-secondary);
}

.observatory-legend-swatch {
  width: 1.55rem;
  height: 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.observatory-footer {
  padding: 1rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.observatory-footer__body {
  max-width: 38rem;
}

.leaflet-container {
  background: var(--bg-mid);
  font: inherit;
}

.leaflet-control-attribution,
.leaflet-control-zoom a {
  background: rgba(5, 18, 30, 0.78) !important;
  color: var(--text-primary) !important;
  border-color: rgba(255, 255, 255, 0.12) !important;
}

.leaflet-control-zoom a:hover {
  background: rgba(12, 38, 60, 0.9) !important;
}

.leaflet-control-attribution {
  backdrop-filter: blur(12px);
}

@media (max-width: 1120px) {
  .observatory-layout {
    grid-template-columns: 1fr;
  }

  .observatory-stage {
    min-height: 32rem;
  }
}

@media (max-width: 760px) {
  .observatory-topbar,
  .observatory-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .observatory-nav {
    justify-content: flex-start;
  }

  .observatory-stage {
    min-height: 27rem;
  }

  .observatory-stage__copy {
    max-width: calc(100% - 1.2rem);
    padding: 1rem;
  }

  .observatory-stat-grid {
    grid-template-columns: 1fr;
  }
}