:root {
  color-scheme: dark;
  --bg: #061015;
  --bg-soft: #0a161e;
  --glass: rgba(10, 24, 33, .72);
  --glass-strong: rgba(11, 29, 40, .9);
  --field: rgba(5, 17, 24, .78);
  --line: rgba(151, 213, 230, .15);
  --line-strong: rgba(112, 225, 245, .33);
  --text: #f3fbff;
  --muted: #98adb8;
  --faint: #69818d;
  --accent: #65e2ff;
  --accent-strong: #b8f4ff;
  --accent-2: #9988ff;
  --accent-3: #63efc5;
  --warning: #f4ce78;
  --warning-bg: rgba(91, 63, 17, .24);
  --ok: #7aefbd;
  --error: #ff9eaa;
  --shadow: 0 24px 90px rgba(0, 0, 0, .32);
  --panel-radius: 22px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #edf6fb;
  --bg-soft: #f7fbfd;
  --glass: rgba(255, 255, 255, .7);
  --glass-strong: rgba(255, 255, 255, .9);
  --field: rgba(247, 252, 255, .92);
  --line: rgba(30, 82, 103, .13);
  --line-strong: rgba(28, 154, 183, .28);
  --text: #10252f;
  --muted: #536d78;
  --faint: #778d96;
  --accent: #087e9d;
  --accent-strong: #075f78;
  --accent-2: #6554c9;
  --accent-3: #15886b;
  --warning: #825f16;
  --warning-bg: rgba(246, 207, 111, .2);
  --ok: #08745a;
  --error: #b32943;
  --shadow: 0 24px 75px rgba(32, 80, 100, .14);
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 12% -8%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 30rem),
    radial-gradient(circle at 92% 3%, color-mix(in srgb, var(--accent-2) 15%, transparent), transparent 32rem),
    linear-gradient(160deg, var(--bg-soft), var(--bg) 54%, color-mix(in srgb, var(--bg) 88%, #131429));
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .32;
  background-image:
    linear-gradient(color-mix(in srgb, var(--accent) 7%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--accent) 7%, transparent) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, black, transparent 58%);
}

button, input { font: inherit; }

button { -webkit-tap-highlight-color: transparent; }

.topbar,
main,
footer {
  position: relative;
  z-index: 1;
  width: min(1240px, calc(100% - 32px));
  margin-inline: auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
  padding: 26px 0 18px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark-shell {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  border: 1px solid var(--line-strong);
  border-radius: 17px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 16%, transparent), color-mix(in srgb, var(--accent-2) 14%, transparent)),
    var(--glass);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.16),
    0 12px 32px rgba(0,0,0,.18);
  backdrop-filter: blur(18px) saturate(145%);
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: block;
}

.brand-copy { min-width: 0; }

.eyebrow,
.kicker,
.section-label {
  margin: 0 0 7px;
  color: var(--accent);
  font-size: .69rem;
  font-weight: 780;
  letter-spacing: .17em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin-bottom: 0;
  font-size: clamp(1.72rem, 4vw, 2.55rem);
  line-height: .98;
  letter-spacing: -.047em;
}

h2 {
  max-width: 15ch;
  margin-bottom: 19px;
  font-size: clamp(2.25rem, 6vw, 5.15rem);
  line-height: .94;
  letter-spacing: -.064em;
  text-wrap: balance;
}

h3 {
  margin-bottom: 0;
  font-size: 1.14rem;
  letter-spacing: -.02em;
}

.top-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 9px;
  flex-wrap: wrap;
}

.status-pill,
.badge,
.theme-toggle {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--glass);
  color: var(--muted);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter: blur(18px) saturate(145%);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  white-space: nowrap;
  font-size: .8rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warning);
  box-shadow: 0 0 14px color-mix(in srgb, var(--warning) 58%, transparent);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 7px 11px;
  cursor: pointer;
}

.theme-toggle:hover { border-color: var(--line-strong); }

.theme-icon {
  position: relative;
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 25%, transparent);
}

.theme-icon::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 14px;
  right: -3px;
  top: -1px;
  border-radius: 999px;
  background: var(--glass-strong);
}

:root[data-theme="light"] .theme-icon::after {
  width: 4px;
  height: 4px;
  inset: 5px auto auto 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow:
    0 -9px 0 -1px var(--accent),
    0 9px 0 -1px var(--accent),
    9px 0 0 -1px var(--accent),
    -9px 0 0 -1px var(--accent);
}

main { padding: 8px 0 10px; }

.warning {
  padding: 13px 16px;
  border: 1px solid color-mix(in srgb, var(--warning) 38%, transparent);
  border-radius: 14px;
  background: var(--warning-bg);
  color: color-mix(in srgb, var(--warning) 76%, var(--text));
  line-height: 1.5;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}

.warning strong { color: var(--warning); }

.hero {
  display: grid;
  grid-template-columns: 1.32fr .68fr;
  gap: 34px;
  align-items: end;
  padding: clamp(54px, 9vw, 104px) 0 clamp(46px, 7vw, 78px);
}

.hero-copy {
  position: relative;
}

.hero-copy::after {
  content: "";
  position: absolute;
  left: -18px;
  bottom: -30px;
  width: 210px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), transparent);
  box-shadow: 0 0 22px color-mix(in srgb, var(--accent) 35%, transparent);
}

.hero > div > p:last-child {
  max-width: 68ch;
  color: color-mix(in srgb, var(--muted) 84%, var(--text));
  line-height: 1.72;
  font-size: 1.02rem;
}

.hero-card,
.panel,
.mini-panel {
  border: 1px solid var(--line);
  background:
    linear-gradient(145deg, rgba(255,255,255,.04), transparent 32%),
    var(--glass);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px) saturate(135%);
}

.hero-card {
  overflow: hidden;
  border-radius: var(--panel-radius);
}

.metric {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.metric:last-child { border-bottom: 0; }
.metric span { color: var(--muted); }
.metric strong { text-align: right; }

.workspace {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.panel {
  position: relative;
  border-radius: var(--panel-radius);
  padding: 23px;
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 46%;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), transparent);
  opacity: .72;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 23px;
}

.badge {
  padding: 6px 10px;
  font-size: .71rem;
  white-space: nowrap;
}

.address-search {
  margin-bottom: 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.address-search .button-row { margin-top: 12px; }

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.field-grid label:last-child { grid-column: 1 / -1; }

label {
  display: grid;
  gap: 7px;
  color: color-mix(in srgb, var(--text) 90%, var(--muted));
  font-size: .89rem;
}

label span { font-weight: 680; }

label em {
  color: var(--muted);
  font-size: .74rem;
  font-style: normal;
  font-weight: 500;
}

small {
  color: var(--faint);
  font-size: .75rem;
}

input {
  width: 100%;
  min-height: 47px;
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: 0;
  padding: 0 13px;
  color: var(--text);
  background: var(--field);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.03);
  transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}

input:focus {
  border-color: var(--accent);
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent),
    inset 0 1px 0 rgba(255,255,255,.05);
}

.button-row {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

button {
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  padding: 10px 14px;
  cursor: pointer;
  transition: transform .14s ease, filter .14s ease, border-color .14s ease, background .14s ease;
}

button:hover { filter: brightness(1.06); }
button:active { transform: translateY(1px); }

button.primary {
  color: #031319;
  border-color: color-mix(in srgb, var(--accent) 75%, white);
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  font-weight: 790;
  box-shadow: 0 9px 28px color-mix(in srgb, var(--accent) 16%, transparent);
}

:root[data-theme="light"] button.primary {
  color: white;
  background: linear-gradient(135deg, #0b708a, #405bc7);
  border-color: transparent;
}

button.secondary {
  color: var(--text);
  background: color-mix(in srgb, var(--glass-strong) 86%, transparent);
}

.message {
  min-height: 24px;
  margin-top: 13px;
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.45;
}

.message.ok { color: var(--ok); }
.message.error { color: var(--error); }

.resolution-control,
.map-resolution-control,
.selected-output > div,
.map-readout {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--field) 84%, transparent);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.035);
}

.resolution-control {
  margin-top: 20px;
  padding: 16px;
  border-radius: 14px;
}

.resolution-heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
  margin-bottom: 12px;
}

.resolution-heading > div { display: grid; gap: 4px; }

.resolution-heading span,
.selected-output span {
  color: var(--muted);
  font-size: .75rem;
}

.resolution-heading strong {
  font-size: 1.45rem;
  letter-spacing: -.03em;
}

#resolution-slider,
#map-resolution-slider {
  min-height: auto;
  padding: 0;
  accent-color: var(--accent);
}

.resolution-scale {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-top: 8px;
  color: var(--faint);
  font-size: .66rem;
  text-align: center;
}

.resolution-scale span:first-child { text-align: left; }
.resolution-scale span:last-child { text-align: right; }

.selected-output {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.selected-output > div {
  display: grid;
  gap: 6px;
  padding: 13px;
  border-radius: 13px;
}

.selected-output code {
  color: var(--accent);
  font-size: .95rem;
  overflow-wrap: anywhere;
  cursor: pointer;
}

.selected-output strong {
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.result-placeholder {
  position: relative;
  min-height: 205px;
  margin-top: 18px;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 30px;
  border: 1px dashed var(--line-strong);
  border-radius: 16px;
  color: var(--muted);
  text-align: center;
  background:
    radial-gradient(circle at center, color-mix(in srgb, var(--accent) 8%, transparent), transparent 45%),
    color-mix(in srgb, var(--field) 78%, transparent);
}

.crosshair {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 58px;
  height: 58px;
  translate: -50% -50%;
  border: 1px solid color-mix(in srgb, var(--accent) 44%, transparent);
  border-radius: 50%;
  box-shadow: 0 0 30px color-mix(in srgb, var(--accent) 10%, transparent);
}

.crosshair::before,
.crosshair::after {
  content: "";
  position: absolute;
  background: color-mix(in srgb, var(--accent) 42%, transparent);
}

.crosshair::before {
  width: 86px;
  height: 1px;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
}

.crosshair::after {
  width: 1px;
  height: 86px;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
}

.decode-copy {
  position: relative;
  z-index: 1;
  width: 100%;
}

.decode-copy p { margin: 12px auto 10px; }

#decoded-corners {
  display: block;
  color: var(--faint);
  font-size: .71rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

#decoded-address {
  margin: 10px auto 0;
  color: var(--text);
  line-height: 1.45;
}

.map-panel { margin-top: 18px; }

.map-heading { margin-bottom: 14px; }

.map-toolbar {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.map-toolbar #map-message {
  margin-left: auto;
  color: var(--muted);
  font-size: .8rem;
}

.map-mode.active {
  color: #031319;
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  font-weight: 790;
}

:root[data-theme="light"] .map-mode.active {
  color: white;
  background: linear-gradient(135deg, #0b708a, #405bc7);
}

.map-resolution-control {
  margin-bottom: 14px;
  padding: 13px 15px;
  border-radius: 14px;
}

.map-resolution-heading {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
}

.map-resolution-heading span {
  color: var(--muted);
  font-size: .75rem;
}

.map-resolution-heading strong {
  font-size: 1.15rem;
  letter-spacing: -.02em;
}

.map-resolution-heading small { margin-left: auto; }

.meridian-map {
  width: 100%;
  height: min(68vh, 690px);
  min-height: 440px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: #061015;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.06),
    0 20px 56px rgba(0,0,0,.18);
  z-index: 0;
}

.map-readout {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 13px;
}

.map-readout > div {
  display: grid;
  gap: 5px;
}

.map-readout span {
  color: var(--muted);
  font-size: .76rem;
}

.map-readout code {
  color: var(--accent);
  overflow-wrap: anywhere;
  text-align: right;
}

.map-address-readout {
  flex: 1 1 100%;
  text-align: left !important;
}

.map-address-readout code {
  text-align: left;
  white-space: normal;
}

.map-note {
  margin: 11px 2px 0;
  color: var(--faint);
  font-size: .74rem;
  line-height: 1.55;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding: 18px 0 34px;
}

.mini-panel {
  min-height: 165px;
  border-radius: 18px;
  padding: 20px;
}

.mini-panel p:last-child {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: .77rem;
}

.leaflet-container { font-family: inherit; }

.leaflet-control-zoom {
  overflow: hidden;
  border: 1px solid var(--line-strong) !important;
  border-radius: 12px !important;
  box-shadow: var(--shadow) !important;
}

.leaflet-control-zoom a {
  color: var(--text) !important;
  border-color: var(--line) !important;
  background: var(--glass-strong) !important;
  backdrop-filter: blur(15px);
}

.leaflet-control-attribution {
  color: var(--muted) !important;
  background: var(--glass-strong) !important;
  font-size: 9px;
  backdrop-filter: blur(12px);
}

.leaflet-control-attribution a { color: var(--accent) !important; }

@media (max-width: 900px) {
  .hero,
  .workspace,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 54px 0;
  }

  h2 { max-width: 16ch; }
}

@media (max-width: 680px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-actions {
    width: 100%;
    justify-content: space-between;
  }

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

  .panel { padding: 18px; }

  .panel-heading {
    flex-direction: column;
    gap: 10px;
  }

  .button-row { flex-direction: column; }

  .button-row button { width: 100%; }

  .resolution-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .map-toolbar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .map-toolbar #use-location,
  .map-toolbar #clear-map,
  .map-toolbar #map-message {
    grid-column: 1 / -1;
  }

  .map-toolbar #map-message {
    width: 100%;
    margin-left: 0;
    line-height: 1.4;
  }

  .map-resolution-heading {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .map-resolution-heading small {
    width: 100%;
    margin-left: 0;
  }

  .meridian-map {
    min-height: 390px;
    height: 58vh;
  }

  .map-readout {
    align-items: flex-start;
    flex-direction: column;
  }

  .map-readout code { text-align: left; }

  footer {
    flex-direction: column;
    padding-bottom: max(28px, env(safe-area-inset-bottom));
  }
}

@media (max-width: 420px) {
  .topbar,
  main,
  footer {
    width: min(100% - 22px, 1240px);
  }

  .brand-mark-shell {
    width: 46px;
    height: 46px;
    flex-basis: 46px;
    border-radius: 15px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .status-pill { font-size: .74rem; }

  .theme-toggle [data-theme-label] { display: none; }

  .panel { border-radius: 18px; }

  h2 { font-size: clamp(2.2rem, 13vw, 3.6rem); }
}

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

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}


/* Candidate E explanatory content */
.phrase-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}
.phrase-row span,
.source-cloud span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--field) 82%, transparent);
  color: var(--muted);
  padding: 8px 11px;
  font-size: .76rem;
}
.explain-section {
  padding: clamp(54px, 8vw, 92px) 0 8px;
}
.section-intro {
  max-width: 820px;
  margin-bottom: 24px;
}
.section-title {
  max-width: 16ch;
  margin-bottom: 16px;
  font-size: clamp(2rem, 5vw, 4.1rem);
}
.section-intro > p:last-child {
  color: var(--muted);
  line-height: 1.72;
}
.example-stack {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 24px 0 18px;
}
.example-stack > div {
  display: grid;
  gap: 6px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--glass);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}
.example-stack code {
  color: var(--accent);
  overflow-wrap: anywhere;
}
.example-stack strong {
  font-size: 1.35rem;
}
.example-stack span {
  color: var(--muted);
  font-size: .74rem;
}
.info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.feature-list {
  display: grid;
  gap: 11px;
  margin: 18px 0 0;
  padding-left: 1.15rem;
  color: var(--muted);
  line-height: 1.55;
}
.feature-list.good li::marker { color: var(--ok); }
.feature-list.caution li::marker { color: var(--warning); }
.source-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 22px 0 10px;
}
.source-cloud span {
  color: var(--text);
}

@media (max-width: 1000px) {
  .info-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .example-stack,
  .pros-cons { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
}

.fusion-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin: 4px 0 16px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--field) 82%, transparent);
}
.fusion-stat strong { color: var(--accent); font-size: 1.35rem; }
.fusion-stat span { color: var(--muted); font-size: .78rem; }

#network-status.offline {
  color: var(--warning);
  border-color: color-mix(in srgb, var(--warning) 35%, transparent);
}
#network-status.offline .status-dot {
  background: var(--warning);
}