.rf-page {
  padding-top: 104px;
}

.rf-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  align-items: end;
  gap: 48px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 72px 24px 42px;
}

.rf-hero h1 {
  max-width: 880px;
  margin: 4px 0 18px;
  font-size: clamp(2.8rem, 6vw, 6.4rem);
  line-height: 0.94;
  letter-spacing: -0.065em;
  overflow-wrap: anywhere;
}

.rf-hero p:not(.eyebrow) {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.rf-hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.rf-hero-badges span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 14, 23, 0.54);
  color: var(--muted);
  font: 800 0.72rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.rf-shell {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 16px;
  width: min(1500px, calc(100% - 32px));
  margin: 0 auto;
}

.rf-shell .panel {
  border-color: rgba(144, 205, 244, 0.18);
  background: rgba(7, 12, 19, 0.78);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(20px);
}

.rf-controls {
  align-self: start;
  padding: 20px;
}

.tool-heading,
.panel-toolbar,
.profile-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.tool-heading h2,
.profile-heading h2 {
  margin: 0;
  font-size: 1.2rem;
}

.tool-heading .eyebrow,
.profile-heading .eyebrow {
  margin-bottom: 2px;
}

.small-action,
.map-pick {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(125, 211, 252, 0.06);
  color: var(--cyan);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 850;
  cursor: pointer;
}

.small-action {
  padding: 7px 9px;
}

.small-action:hover,
.map-pick:hover,
.map-pick.is-active {
  border-color: var(--line-strong);
  background: rgba(125, 211, 252, 0.13);
  color: #fff;
}

.point-fieldset {
  min-width: 0;
  margin: 0 0 12px;
  padding: 13px;
  border: 1px solid rgba(144, 205, 244, 0.14);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.018);
}

.point-fieldset legend {
  padding: 0 7px;
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 900;
}

.point-fieldset legend i {
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  margin-right: 5px;
  border-radius: 50%;
  color: #05101a;
  font-style: normal;
}

.point-a legend i { background: var(--blue); }
.point-b legend i { background: var(--green); }

.form-grid {
  display: grid;
  gap: 10px;
}

.coordinates-grid,
.radio-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.point-meta-grid {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  margin-top: 9px;
}

.rf-controls label {
  position: relative;
  display: block;
  color: var(--faint);
  font-size: 0.66rem;
  font-weight: 850;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.rf-controls input,
.rf-controls select {
  width: 100%;
  min-width: 0;
  height: 38px;
  margin-top: 4px;
  padding: 0 9px;
  border: 1px solid rgba(144, 205, 244, 0.17);
  border-radius: 5px;
  outline: none;
  background: rgba(2, 7, 12, 0.72);
  color: var(--text);
  font: 750 0.82rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.rf-controls input:focus,
.rf-controls select:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(125, 211, 252, 0.08);
}

.rf-controls label > span {
  position: absolute;
  right: 8px;
  bottom: 10px;
  color: var(--faint);
  font-size: 0.62rem;
  text-transform: none;
  pointer-events: none;
}

.point-meta-grid .map-pick {
  height: 38px;
  padding: 0 10px;
  white-space: nowrap;
}

.ground-readout {
  margin: 8px 0 0;
  color: var(--faint);
  font-size: 0.72rem;
}

.ground-readout strong {
  color: var(--muted);
}

.radio-grid {
  align-items: end;
  margin-top: 14px;
}

.radio-grid label:nth-child(2) {
  grid-column: span 1;
}

.calculate-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 16px;
  padding: 13px 15px;
  border: 0;
  font: inherit;
  cursor: pointer;
}

.calculate-button span,
.calculate-button small {
  display: block;
}

.calculate-button small {
  opacity: 0.72;
  font-size: 0.64rem;
}

.calculate-button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.control-note {
  margin: 11px 2px 0;
  color: var(--faint);
  font-size: 0.68rem;
  line-height: 1.4;
}

.local-data-action {
  margin: 8px 2px 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--faint);
  font: inherit;
  font-size: 0.68rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.local-data-action:hover,
.local-data-action:focus-visible {
  color: var(--cyan);
}

.rf-workspace {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.map-panel,
.results-panel {
  overflow: hidden;
  padding: 0;
}

.rf-shell .map-panel {
  isolation: isolate;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.panel-toolbar {
  min-height: 48px;
  padding: 0 17px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.77rem;
}

.panel-toolbar div {
  display: flex;
  align-items: center;
  gap: 9px;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px rgba(94, 227, 138, 0.75);
}

#rf-map {
  position: relative;
  isolation: isolate;
  contain: layout paint;
  height: clamp(390px, 46vh, 620px);
  background: #071019;
}

.map-hint {
  padding: 9px 16px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.7rem;
}

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

.leaflet-tile-pane {
  filter: none;
}

.leaflet-map-pane,
.leaflet-tile-pane,
.leaflet-overlay-pane {
  will-change: transform;
}

.leaflet-control-zoom a {
  border-color: var(--line) !important;
  background: rgba(7, 12, 19, 0.9) !important;
  color: var(--text) !important;
}

.leaflet-control-attribution {
  background: rgba(7, 12, 19, 0.76) !important;
  color: var(--faint) !important;
}

.rf-marker {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 3px solid rgba(255, 255, 255, 0.92);
  border-radius: 50% 50% 50% 8px;
  color: #03101a;
  font: 950 0.78rem/1 Inter, sans-serif;
  transform: rotate(-45deg);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.4);
}

.rf-marker span { transform: rotate(45deg); }
.rf-marker-a { background: var(--blue); }
.rf-marker-b { background: var(--green); }
.rf-marker-critical { background: var(--amber); }
.rf-marker-blocked { background: var(--red); color: #fff; }

.critical-tooltip {
  border: 1px solid rgba(246, 183, 60, 0.42);
  background: rgba(7, 12, 19, 0.94);
  color: var(--text);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.38);
  font-size: 0.72rem;
  font-weight: 800;
}

.critical-tooltip::before {
  border-top-color: rgba(7, 12, 19, 0.94) !important;
}

.results-panel {
  padding: 18px;
}

.result-status {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 14px;
  min-height: 78px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--faint);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.02);
}

.result-status.is-clear { border-left-color: var(--green); background: rgba(22, 93, 57, 0.13); }
.result-status.is-marginal { border-left-color: var(--amber); background: rgba(131, 86, 12, 0.13); }
.result-status.is-blocked { border-left-color: var(--red); background: rgba(133, 43, 31, 0.14); }
.result-status.is-loading { border-left-color: var(--cyan); }

.status-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--cyan);
  font: 950 0.72rem/1 ui-monospace, monospace;
}

.result-status small,
.result-status strong,
.result-status p {
  display: block;
}

.result-status small {
  color: var(--faint);
  font-size: 0.65rem;
  font-weight: 850;
  text-transform: uppercase;
}

.result-status strong {
  margin-top: 1px;
  font-size: 1.03rem;
}

.result-status p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.metric-grid article {
  min-width: 0;
  padding: 12px;
  border: 1px solid rgba(144, 205, 244, 0.11);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.018);
}

.metric-grid span,
.metric-grid strong,
.metric-grid small {
  display: block;
}

.metric-grid span {
  color: var(--faint);
  font-size: 0.61rem;
  font-weight: 850;
  text-transform: uppercase;
}

.metric-grid strong {
  overflow: hidden;
  margin-top: 3px;
  color: var(--text);
  font: 900 clamp(0.92rem, 1.4vw, 1.22rem)/1.1 ui-monospace, SFMono-Regular, Menlo, monospace;
  text-overflow: ellipsis;
}

.metric-grid small {
  margin-top: 3px;
  color: var(--faint);
  font-size: 0.61rem;
}

.profile-card {
  margin-top: 12px;
  padding: 16px;
  border: 1px solid rgba(144, 205, 244, 0.12);
  border-radius: 7px;
  background: rgba(1, 5, 10, 0.34);
}

.profile-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  color: var(--faint);
  font-size: 0.66rem;
}

.profile-legend span::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 3px;
  margin-right: 5px;
  vertical-align: middle;
  background: currentColor;
}

.profile-legend .terrain { color: #718ba2; }
.profile-legend .los { color: var(--green); }
.profile-legend .fresnel { color: var(--amber); }

.profile-canvas-wrap {
  position: relative;
  height: 330px;
  margin-top: 10px;
}

#profile-chart {
  width: 100%;
  height: 100%;
}

.profile-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 4px;
  text-align: center;
  color: var(--faint);
}

.profile-placeholder b {
  color: var(--muted);
}

.profile-placeholder.is-hidden { display: none; }

.critical-point {
  margin-top: 12px;
  padding: 13px 15px;
  border-left: 3px solid var(--amber);
  background: rgba(246, 183, 60, 0.07);
}

.critical-point span {
  color: var(--amber);
  font-size: 0.63rem;
  font-weight: 900;
  text-transform: uppercase;
}

.critical-point strong {
  display: block;
  margin-top: 2px;
}

.critical-point p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.rf-explainer {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: 42px;
}

.explainer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.explainer-grid article {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(8, 14, 22, 0.44);
}

.explainer-grid b {
  color: var(--cyan);
  font: 900 0.7rem/1 ui-monospace, monospace;
}

.explainer-grid h3 {
  margin: 12px 0 6px;
}

.explainer-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

@media (max-width: 1180px) {
  .rf-shell {
    grid-template-columns: 300px minmax(0, 1fr);
  }

  .metric-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  .rf-hero-badges {
    justify-content: flex-start;
  }

  .rf-controls {
    position: static;
  }

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

@media (max-width: 620px) {
  .rf-page {
    padding-top: 0;
  }

  .rf-hero {
    padding: 48px 16px 26px;
  }

  .rf-hero h1 {
    font-size: clamp(2.35rem, 12.5vw, 3rem);
    letter-spacing: -0.055em;
  }

  .rf-shell {
    width: calc(100% - 20px);
  }

  .coordinates-grid,
  .radio-grid,
  .metric-grid {
    grid-template-columns: 1fr 1fr;
  }

  .point-meta-grid {
    grid-template-columns: 1fr;
  }

  .point-meta-grid .map-pick {
    width: 100%;
  }

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

  .profile-legend {
    justify-content: flex-start;
  }

  .profile-canvas-wrap {
    height: 260px;
  }

  #rf-map {
    height: 360px;
  }
}

@media (max-width: 420px) {
  .coordinates-grid,
  .radio-grid,
  .metric-grid,
  .point-meta-grid {
    grid-template-columns: 1fr;
  }

  .point-meta-grid .map-pick {
    width: 100%;
  }
}