/* GeoGeek global interaction layer — survey, field and scale feedback. */

:root {
  --geo-local-x: 50%;
  --geo-local-y: 50%;
  --geo-signal: 166,70,36;
  --geo-ink: 21,32,25;
}

/* Persistent relative-depth ruler. */
.geo-depth-ruler {
  position: fixed;
  z-index: 38;
  right: 18px;
  top: 50%;
  width: 54px;
  transform: translateY(-50%);
  display: grid;
  justify-items: end;
  gap: 7px;
  opacity: .46;
  pointer-events: none;
  transition: opacity .22s ease;
}
.geo-depth-ruler.is-active { opacity: .82; }
.geo-depth-label,
.geo-depth-ruler small {
  color: rgba(var(--geo-ink),.58);
  font: 650 8px/1.1 var(--mono,"IBM Plex Mono",monospace);
  letter-spacing: .07em;
  white-space: nowrap;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}
.geo-depth-ruler small { opacity: .62; }
.geo-depth-track {
  position: relative;
  display: block;
  width: 15px;
  height: min(30vh,220px);
  min-height: 128px;
  border-right: 1px solid rgba(var(--geo-ink),.20);
  background: repeating-linear-gradient(to bottom, transparent 0 11px, rgba(var(--geo-ink),.14) 11px 12px) right top / 7px 100% no-repeat;
}
.geo-depth-track::before,
.geo-depth-track::after {
  content:"";
  position:absolute;
  right:-1px;
  width:10px;
  height:1px;
  background:rgba(var(--geo-ink),.34);
}
.geo-depth-track::before { top:0; }
.geo-depth-track::after { bottom:0; }
.geo-depth-track b {
  position:absolute;
  right:-4px;
  top:var(--geo-depth,0%);
  width:9px;
  height:9px;
  border:1px solid rgba(var(--geo-signal),.88);
  background:rgba(246,244,238,.94);
  transform:translateY(-50%) rotate(45deg);
  transition:top .16s linear;
}

/* Precise-pointer survey axes. */
.geo-screen-axis,
.geo-survey-readout {
  position: fixed;
  pointer-events: none;
  opacity: 0;
  transition: opacity .18s ease;
}
.geo-screen-axis {
  z-index: 7;
  background: rgba(var(--geo-ink),.095);
}
.geo-screen-axis-x {
  left:0; top:0; width:100vw; height:1px;
  transform:translate3d(0,var(--geo-screen-y,50vh),0);
}
.geo-screen-axis-y {
  left:0; top:0; width:1px; height:100vh;
  transform:translate3d(var(--geo-screen-x,50vw),0,0);
}
.geo-survey-readout {
  z-index:40;
  left:max(18px,2vw);
  bottom:18px;
  padding:7px 9px;
  border:1px solid rgba(var(--geo-ink),.18);
  background:rgba(246,244,238,.90);
  backdrop-filter:blur(8px);
  color:rgba(var(--geo-ink),.72);
  font:650 9px/1.2 var(--mono,"IBM Plex Mono",monospace);
  letter-spacing:.07em;
  white-space:nowrap;
}
body.geo-pointer-active .geo-screen-axis { opacity:1; }
body.geo-pointer-active .geo-survey-readout { opacity:.96; }
body.instrument-open .geo-screen-axis,
body.instrument-open .geo-survey-readout,
body.instrument-open .geo-depth-ruler,
body.site-map-open .geo-screen-axis,
body.site-map-open .geo-survey-readout,
body.site-map-open .geo-depth-ruler { opacity:0!important; }

/* Local survey frame for spatially meaningful blocks. */
.geo-reactive {
  position:relative;
  --geo-local-x:50%;
  --geo-local-y:50%;
}
.geo-field-mark {
  position:absolute;
  inset:-1px;
  z-index:4;
  pointer-events:none;
  opacity:0;
  transition:opacity .16s ease;
  background:
    linear-gradient(rgba(var(--geo-signal),.62),rgba(var(--geo-signal),.62)) left top/18px 1px no-repeat,
    linear-gradient(rgba(var(--geo-signal),.62),rgba(var(--geo-signal),.62)) left top/1px 18px no-repeat,
    linear-gradient(rgba(var(--geo-signal),.62),rgba(var(--geo-signal),.62)) right top/18px 1px no-repeat,
    linear-gradient(rgba(var(--geo-signal),.62),rgba(var(--geo-signal),.62)) right top/1px 18px no-repeat,
    linear-gradient(rgba(var(--geo-signal),.62),rgba(var(--geo-signal),.62)) left bottom/18px 1px no-repeat,
    linear-gradient(rgba(var(--geo-signal),.62),rgba(var(--geo-signal),.62)) left bottom/1px 18px no-repeat,
    linear-gradient(rgba(var(--geo-signal),.62),rgba(var(--geo-signal),.62)) right bottom/18px 1px no-repeat,
    linear-gradient(rgba(var(--geo-signal),.62),rgba(var(--geo-signal),.62)) right bottom/1px 18px no-repeat,
    radial-gradient(circle at var(--geo-local-x) var(--geo-local-y),rgba(var(--geo-signal),.11) 0,rgba(var(--geo-signal),.045) 10%,transparent 33%);
}
.geo-field-mark::before,
.geo-field-mark::after {
  content:"";
  position:absolute;
  background:rgba(var(--geo-ink),.13);
}
.geo-field-mark::before {
  left:var(--geo-local-x); top:0; width:1px; height:100%; transform:translateX(-50%);
}
.geo-field-mark::after {
  left:0; top:var(--geo-local-y); width:100%; height:1px; transform:translateY(-50%);
}
.geo-reactive.is-geo-active > .geo-field-mark,
.geo-reactive:focus-within > .geo-field-mark { opacity:.92; }

.atlas-workspace > .geo-field-mark,
.project-card > .geo-field-mark,
.earth-preview-link > .geo-field-mark,
.instrument-shell > .geo-field-mark {
  background:
    linear-gradient(rgba(209,99,57,.72),rgba(209,99,57,.72)) left top/18px 1px no-repeat,
    linear-gradient(rgba(209,99,57,.72),rgba(209,99,57,.72)) left top/1px 18px no-repeat,
    linear-gradient(rgba(209,99,57,.72),rgba(209,99,57,.72)) right bottom/18px 1px no-repeat,
    linear-gradient(rgba(209,99,57,.72),rgba(209,99,57,.72)) right bottom/1px 18px no-repeat,
    radial-gradient(circle at var(--geo-local-x) var(--geo-local-y),rgba(209,99,57,.12),transparent 34%);
}
.atlas-workspace > .geo-field-mark::before,
.atlas-workspace > .geo-field-mark::after,
.project-card > .geo-field-mark::before,
.project-card > .geo-field-mark::after,
.earth-preview-link > .geo-field-mark::before,
.earth-preview-link > .geo-field-mark::after,
.instrument-shell > .geo-field-mark::before,
.instrument-shell > .geo-field-mark::after { background:rgba(241,239,231,.11); }

/* Information scale behaves like a measuring instrument. */
.scale-ui {
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease,opacity .22s ease;
}
.scale-ui.geo-scale-change {
  border-color:rgba(var(--geo-signal),.70)!important;
  box-shadow:0 0 0 1px rgba(var(--geo-signal),.16),0 9px 30px rgba(var(--geo-ink),.08);
  transform:translateY(-2px);
}

/* Navigation and controls share one restrained instrument feedback. */
.nav-links a {
  background-image:linear-gradient(var(--signal),var(--signal));
  background-repeat:no-repeat;
  background-position:50% 100%;
  background-size:0 1px;
  transition:color .18s ease,background-size .24s var(--ease,ease);
}
.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"] { background-size:100% 1px; }
.brand-mark { transition:transform .36s var(--ease,ease),border-color .2s ease; }
.brand:hover .brand-mark,
.brand:focus-visible .brand-mark { transform:rotate(45deg); border-color:rgba(var(--geo-signal),.82); }

.filters button,
.projections button,
.commons-layer-controls button,
.commons-horizon button,
.commons-time-modes button,
.commons-time-reference button,
.commons-actions button,
.lab-enter,
.project-cta,
.record-action,
.atlas-open-record {
  transition:transform .17s ease,border-color .17s ease,background-color .17s ease,color .17s ease,box-shadow .17s ease;
}
.filters button:hover,
.projections button:hover,
.commons-layer-controls button:hover,
.commons-horizon button:hover,
.commons-time-modes button:hover,
.commons-time-reference button:hover,
.commons-actions button:hover:not(:disabled),
.lab-enter:hover,
.project-cta:hover,
.record-action:hover,
.atlas-open-record:hover {
  transform:translateY(-2px);
  box-shadow:0 7px 20px rgba(var(--geo-ink),.065);
}

.note-row,
.lab-build-row,
.lab-row,
.project-card,
.elsewhere-card {
  transition:border-color .2s ease,background-color .2s ease,transform .22s var(--ease,ease);
}
.note-row:hover,
.lab-build-row:hover,
.lab-row:hover { background-color:rgba(var(--geo-ink),.03); }
.elsewhere-card:hover { transform:translateY(-3px); }

/* Major blocks resolve into the field rather than flying in. */
.geo-reveal {
  opacity:.01;
  transform:translateY(15px);
  filter:blur(2px);
  transition:opacity .48s ease,transform .62s var(--ease,ease),filter .48s ease;
}
.geo-reveal.is-geo-visible { opacity:1; transform:none; filter:none; }

.geo-ui a:focus-visible,
.geo-ui button:focus-visible,
.geo-ui [tabindex]:focus-visible {
  outline:1px solid rgba(var(--geo-signal),.80);
  outline-offset:3px;
}

@media(max-width:860px),(pointer:coarse),(hover:none) {
  .geo-screen-axis,.geo-survey-readout { display:none!important; }
  .geo-depth-ruler { right:8px; width:26px; opacity:.52; }
  .geo-depth-label,.geo-depth-ruler small { display:none; }
  .geo-depth-track { height:120px; min-height:120px; width:11px; }
  .geo-field-mark::before,.geo-field-mark::after { display:none; }
  .geo-reactive:active > .geo-field-mark { opacity:.62; }
}

@media(prefers-reduced-motion:reduce) {
  .geo-screen-axis,.geo-survey-readout { display:none!important; }
  .geo-reveal,.geo-reveal.is-geo-visible { opacity:1; transform:none; filter:none; transition:none; }
  .geo-depth-track b,.geo-field-mark,.scale-ui,.nav-links a,.brand-mark,
  .filters button,.projections button,.commons-layer-controls button,.commons-horizon button,
  .commons-time-modes button,.commons-time-reference button,.commons-actions button,.lab-enter,
  .project-cta,.record-action,.atlas-open-record { transition:none!important; }
}