/* ===========================================================
   Dig Through Earth - components & layout (v2.1)
   iOS 26 Liquid Glass language. Variables come from tokens.css.
   Multi-screen app shell: topbar + active <section.screen> + tabbar.
   =========================================================== */

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

html, body {
  margin: 0;
  padding: 0;
  /* Width safety: never let a runaway child cause horizontal scroll. */
  max-width: 100%;
  overflow-x: hidden;
}

html, body {
  /* Dynamic viewport unit follows Safari's collapsing address bar so the
     bottom tab bar never gets covered. svh is the small viewport fallback
     for older Safari that doesn't support dvh. */
  height: 100svh;
  height: 100dvh;
}

body {
  font: var(--dte-t-body);
  color: var(--dte-ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background-color: var(--dte-bg-base);
  background-image: var(--dte-wallpaper);
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

h1, h2, h3, p, ul, ol {
  margin: 0;
}

ul, ol {
  padding: 0;
  list-style: none;
}

a {
  color: var(--dte-link);
  text-decoration-thickness: 0.1em;
  text-underline-offset: 0.18em;
  font-weight: 700;
}

a:hover { color: var(--dte-accent-2); }

:focus-visible {
  outline: 3px solid var(--dte-accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 10px 14px;
  background: var(--dte-ink);
  color: var(--dte-bg-base);
  border-radius: var(--dte-r-md);
  text-decoration: none;
  font-weight: 800;
  transform: translateY(-200%);
  transition: transform var(--dte-motion-base);
  z-index: 1000;
}
.skip-link:focus { transform: translateY(0); }

/* ============================================================
   Glass primitives
   ============================================================ */
.glass,
.glass-strong {
  border: .5px solid var(--dte-glass-border);
  border-radius: var(--dte-r-card);
  backdrop-filter: var(--dte-glass-blur);
  -webkit-backdrop-filter: var(--dte-glass-blur);
  box-shadow: var(--dte-glass-inner), var(--dte-sh-card);
}
.glass        { background: var(--dte-glass-bg); }
.glass-strong { background: var(--dte-glass-bg-strong); }

/* ============================================================
   Topbar (persistent across screens, full-width)
   ============================================================ */
.topbar {
  position: relative;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--dte-s-2);
  padding: max(env(safe-area-inset-top, 0px), 10px) var(--dte-screen-pad-x) 8px;
  flex-shrink: 0;
}

.topbar__left {
  display: flex;
  align-items: center;
  min-width: 0;
  flex: 1 1 auto;
}

.wordmark {
  font: var(--dte-t-title-md);
  letter-spacing: -.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.wordmark::after {
  content: ".";
  color: var(--dte-accent);
}

.topbar__controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

/* ============================================================
   Toggle groups
   ============================================================ */
.toggle {
  display: inline-flex;
  padding: 4px;
  border-radius: var(--dte-r-pill);
  background: var(--dte-glass-bg-strong);
  backdrop-filter: var(--dte-glass-blur);
  -webkit-backdrop-filter: var(--dte-glass-blur);
  border: .5px solid var(--dte-glass-border);
  box-shadow: var(--dte-glass-inner);
  gap: 2px;
}

.toggle__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 6px 12px;
  border: 0;
  background: transparent;
  color: var(--dte-ink-soft);
  font: 700 13px/1 var(--dte-font-display);
  border-radius: var(--dte-r-pill);
  transition: color var(--dte-motion-fast), background var(--dte-motion-base);
  white-space: nowrap;
}
.toggle__btn[aria-pressed="true"] {
  background: var(--dte-ink);
  color: var(--dte-bg-base);
}
.toggle__btn:hover:not([aria-pressed="true"]) { color: var(--dte-ink); }

.toggle--compact .toggle__btn {
  min-height: 32px;
  padding: 4px 10px;
  font-size: 12px;
}

/* ============================================================
   Scheme + mole buttons (theme switcher)
   ============================================================ */
.scheme-btn {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 50%;
  border: .5px solid var(--dte-glass-border);
  background: var(--dte-glass-bg-strong);
  backdrop-filter: var(--dte-glass-blur);
  -webkit-backdrop-filter: var(--dte-glass-blur);
  box-shadow: var(--dte-glass-inner), var(--dte-sh-card);
  color: var(--dte-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: transform var(--dte-motion-base);
}
.scheme-btn:hover  { transform: scale(1.05); }
.scheme-btn:active { transform: scale(.92); }
.scheme-btn svg {
  width: 20px;
  height: 20px;
  transition: transform var(--dte-motion-spring);
}
.scheme-btn .scheme-moon { display: none; }
[data-scheme="dark"] .scheme-btn .scheme-sun  { display: none; }
[data-scheme="dark"] .scheme-btn .scheme-moon { display: block; }
.scheme-btn.swapping svg {
  animation: schemeSwap var(--dte-motion-spring) ease-out;
}
@keyframes schemeSwap {
  0%   { transform: rotate(0)      scale(1); }
  50%  { transform: rotate(180deg) scale(.6); opacity: .5; }
  100% { transform: rotate(360deg) scale(1); opacity: 1; }
}
[data-scheme="light"] .scheme-btn {
  border-color: rgba(120, 70, 20, .22);
  box-shadow: var(--dte-glass-inner), 0 2px 8px rgba(120, 60, 0, .14);
}

.mole-btn {
  position: relative;
  width: 56px;
  height: 56px;
  min-width: 56px;
  border-radius: 50%;
  border: none;
  background: transparent;
  padding: 0;
  isolation: isolate;
}
[data-mode="standard"] .mole-btn {
  width: 52px;
  height: 52px;
  min-width: 52px;
}
.mole-btn:focus-visible {
  outline: 3px solid var(--dte-accent);
  outline-offset: 4px;
}
.mole-halo {
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--dte-glass-bg-strong);
  backdrop-filter: var(--dte-glass-blur);
  -webkit-backdrop-filter: var(--dte-glass-blur);
  border: .5px solid var(--dte-glass-border);
  box-shadow: var(--dte-glass-inner), var(--dte-sh-card);
  transition: transform var(--dte-motion-spring), background var(--dte-motion-base);
  pointer-events: none;
}
.mole-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  transition: transform var(--dte-motion-spring);
}
.mole-btn:hover  .mole-halo { transform: scale(1.06); }
.mole-btn:active .mole-svg  { transform: scale(var(--dte-press-scale)); }
.dirt-puff {
  position: absolute;
  inset: -8px;
  pointer-events: none;
  z-index: 60;
}
.dirt-puff .pt {
  position: absolute;
  left: 50%; top: 50%;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--dte-accent-2);
  transform: translate(-50%, -50%) scale(.6);
  opacity: 0;
}
.mole-btn.flipping .dirt-puff .pt {
  animation: puff var(--dte-motion-spring) ease-out forwards;
}
.mole-btn.flipping .mole-svg {
  animation: flip var(--dte-motion-spring) ease-out;
}
@keyframes flip {
  0%   { transform: rotateY(0)      scale(1); }
  40%  { transform: rotateY(180deg) scale(.85); }
  100% { transform: rotateY(360deg) scale(1); }
}
@keyframes puff {
  0%   { opacity: 0; transform: translate(-50%, -50%) scale(.4) translate(0,0); }
  30%  { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.2) translate(var(--dx), var(--dy)); }
}
.mode-pill {
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dte-accent);
  color: var(--dte-ink-on-accent);
  border-radius: var(--dte-r-pill);
  font: 800 9px/1 var(--dte-font-display);
  padding: 3px 7px;
  letter-spacing: .04em;
  text-transform: uppercase;
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(0,0,0,.35);
  pointer-events: none;
}
[data-mode="standard"] .mode-pill {
  background: var(--dte-ink);
  color: var(--dte-bg-base);
}

/* ============================================================
   App shell + screens
   ============================================================ */
.app {
  position: relative;
  flex: 1 1 auto;
  overflow: hidden;
  isolation: isolate;
}

.screen {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  overflow: hidden;
}
.screen[data-active="true"] {
  display: flex;
}

.screen-scroll {
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0 var(--dte-screen-pad-x) calc(96px + env(safe-area-inset-bottom, 0px));
  scrollbar-width: none;
}
.screen-scroll::-webkit-scrollbar { display: none; }

/* Full-bleed screens (map / globe) skip the screen-scroll wrapper */
.screen--full {
  display: none;
}
.screen--full[data-active="true"] {
  display: block;
}

/* Screen title row used by result + quiz */
.screen-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--dte-s-3);
  padding: 4px 0 var(--dte-s-4);
}
.screen-title__heading {
  font: var(--dte-t-title-md);
  letter-spacing: -.01em;
  flex: 1 1 auto;
  text-align: center;
}
.screen-title__spacer {
  width: var(--dte-tap-min);
  height: 1px;
  flex-shrink: 0;
}

/* ============================================================
   Locator screen (hero, mini-globe, methods, search, cities)
   ============================================================ */
.hero {
  padding: var(--dte-s-4) 4px var(--dte-s-4);
}
.hero__heading {
  font: var(--dte-t-display);
  letter-spacing: -.025em;
  margin: var(--dte-s-2) 0 var(--dte-s-2);
  text-wrap: balance;
}
.hero__subtitle {
  margin-top: 4px;
  color: var(--dte-ink-sec);
}

.eyebrow {
  font: var(--dte-t-eyebrow);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--dte-accent);
}
.eyebrow--soft {
  color: var(--dte-ink-soft);
  margin: var(--dte-s-3) 0 var(--dte-s-2);
}

.body-lg { font: var(--dte-t-body-lg); color: var(--dte-ink-sec); }

/* Mini-globe orb */
.mini-globe {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0 auto var(--dte-s-4);
  display: flex;
  align-items: center;
  justify-content: center;
}
.mini-globe__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px dashed var(--dte-ink-faint);
  animation: spinSlow 40s linear infinite;
}
@keyframes spinSlow {
  to { transform: rotate(360deg); }
}
.mini-globe__orb {
  position: relative;
  width: 152px;
  height: 152px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 25%, rgba(255,255,255,.4) 0%, transparent 35%),
    radial-gradient(circle at 75% 75%, var(--dte-accent-4) 0%, transparent 50%),
    radial-gradient(circle at 25% 75%, var(--dte-accent-3) 0%, transparent 45%),
    radial-gradient(circle at 80% 30%, var(--dte-accent-2) 0%, transparent 40%),
    linear-gradient(180deg, #1A3568, #0A1628);
  box-shadow:
    inset -20px -20px 50px rgba(0,0,0,.5),
    inset 10px 10px 30px rgba(255,255,255,.1),
    0 20px 50px rgba(0,0,0,.5);
}
[data-scheme="light"] .mini-globe__orb {
  box-shadow:
    inset -20px -20px 50px rgba(0,0,0,.55),
    inset 10px 10px 30px rgba(255,255,255,.15),
    0 18px 40px rgba(60, 30, 0, .25);
}
.mini-globe__pin {
  position: absolute;
  top: 32%;
  left: 28%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--dte-accent);
  box-shadow: 0 0 0 4px rgba(255,182,39,.3), 0 0 0 8px rgba(255,182,39,.15);
  animation: pinPulse 2s ease-in-out infinite;
}
@keyframes pinPulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(255,182,39,.3), 0 0 0 8px rgba(255,182,39,.15); }
  50%      { box-shadow: 0 0 0 8px rgba(255,182,39,.2), 0 0 0 16px rgba(255,182,39,.0); }
}

/* Method cards */
.method-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--dte-s-3);
  margin-bottom: var(--dte-s-4);
}
.method-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--dte-s-2);
  padding: var(--dte-s-4);
  min-height: 116px;
  border-radius: var(--dte-r-card);
  background: var(--dte-glass-bg);
  backdrop-filter: var(--dte-glass-blur);
  -webkit-backdrop-filter: var(--dte-glass-blur);
  border: 1px solid var(--dte-ink-faint);
  box-shadow: var(--dte-glass-inner);
  text-align: left;
  color: inherit;
  transition: transform var(--dte-motion-fast), background var(--dte-motion-base);
}
.method-card:hover  { background: var(--dte-glass-bg-strong); }
.method-card:active { transform: scale(.97); }
.method-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: var(--dte-sh-icon-sq);
  color: #fff;
}
.method-card__label {
  font: var(--dte-t-title-md);
  color: var(--dte-ink);
}
.method-card__sub {
  font: var(--dte-t-body-sm);
  color: var(--dte-ink-soft);
}

/* Search field */
.search {
  position: relative;
  /* Lift the form into its own stacking context so the absolutely-positioned
   * autocomplete dropdown paints over the city chips below, which create
   * their own stacking contexts via backdrop-filter. */
  z-index: 50;
  display: flex;
  align-items: center;
  gap: var(--dte-s-3);
  padding: 0 var(--dte-s-4);
  height: var(--dte-tap-min);
  border-radius: var(--dte-r-pill);
  background: var(--dte-glass-bg);
  backdrop-filter: var(--dte-glass-blur);
  -webkit-backdrop-filter: var(--dte-glass-blur);
  border: 1px solid var(--dte-ink-faint);
  margin-bottom: var(--dte-s-2);
}
.search input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--dte-ink);
  outline: none;
  font: var(--dte-t-body);
  height: 100%;
  min-width: 0;
}
.search input::placeholder { color: var(--dte-ink-soft); }
.search svg { color: var(--dte-ink-soft); flex-shrink: 0; }
.search__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--dte-accent);
  color: var(--dte-ink-on-accent);
  flex-shrink: 0;
}

/* Autocomplete dropdown (Photon-powered city suggestions).
 * Uses the solid token (not the glass alpha) so suggestions stay legible
 * when the dropdown overlaps the city chips and tab bar below. */
.autocomplete__listbox {
  position: absolute;
  top: calc(100% + var(--dte-s-2));
  left: 0;
  right: 0;
  margin: 0;
  padding: var(--dte-s-2);
  list-style: none;
  z-index: 60;
  max-height: 60vh;
  overflow-y: auto;
  border-radius: var(--dte-r-lg);
  background: var(--dte-glass-bg-solid-strong);
  border: 1px solid var(--dte-glass-border);
  box-shadow: var(--dte-sh-float);
}
.autocomplete__option {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: var(--dte-s-2) var(--dte-s-4);
  border-radius: var(--dte-r-md);
  color: var(--dte-ink);
  font: var(--dte-t-body);
  cursor: pointer;
  transition: background var(--dte-motion-fast);
}
.autocomplete__option.is-active,
.autocomplete__option:hover {
  background: color-mix(in oklab, var(--dte-accent) 18%, transparent);
}
.autocomplete__option:focus-visible {
  outline: 2px solid var(--dte-accent);
  outline-offset: 2px;
}
.autocomplete__status {
  display: flex;
  align-items: center;
  gap: var(--dte-s-2);
  min-height: 44px;
  padding: var(--dte-s-2) var(--dte-s-4);
  color: var(--dte-ink-soft);
  font: var(--dte-t-body-sm);
}
.autocomplete__status--loading::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--dte-ink-faint);
  border-top-color: var(--dte-accent);
  animation: autocomplete-spin 0.8s linear infinite;
  flex-shrink: 0;
}
@keyframes autocomplete-spin {
  to { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .autocomplete__status--loading::before {
    animation: none;
  }
}

/* City chips */
.city-row {
  display: flex;
  gap: var(--dte-s-2);
  flex-wrap: wrap;
}
.city-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  min-height: 40px;
  border-radius: var(--dte-r-pill);
  background: var(--dte-glass-bg);
  backdrop-filter: var(--dte-glass-blur-sm);
  -webkit-backdrop-filter: var(--dte-glass-blur-sm);
  border: 1px solid var(--dte-ink-faint);
  font: 700 14px/1 var(--dte-font-display);
  color: var(--dte-ink);
  transition: transform var(--dte-motion-fast), background var(--dte-motion-base);
}
.city-chip:active { transform: scale(.95); }
.city-chip__flag { font-size: 16px; }

.locator__error {
  margin-top: var(--dte-s-3);
  color: var(--dte-error);
  font: var(--dte-t-body-sm);
  font-weight: 700;
  padding: var(--dte-s-3) var(--dte-s-4);
  border-radius: var(--dte-r-md);
  background: color-mix(in oklab, var(--dte-error) 14%, transparent);
  border: .5px solid color-mix(in oklab, var(--dte-error) 40%, transparent);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--dte-s-2);
  min-height: var(--dte-tap-min);
  padding: 0 var(--dte-s-6);
  border-radius: var(--dte-r-btn);
  border: none;
  font: var(--dte-t-button);
  color: var(--dte-ink);
  transition: transform var(--dte-motion-fast), box-shadow var(--dte-motion-base), background var(--dte-motion-base);
  will-change: transform;
  text-decoration: none;
}
.btn:active { transform: scale(var(--dte-press-scale)); }
.btn[disabled] { opacity: .6; cursor: not-allowed; }

.btn--primary {
  background: var(--dte-accent);
  color: var(--dte-ink-on-accent);
  box-shadow: var(--dte-sh-btn);
}
.btn--primary:hover:not([disabled]) {
  background: color-mix(in oklab, var(--dte-accent) 90%, white);
}

.btn--secondary {
  background: var(--dte-glass-bg-strong);
  color: var(--dte-ink);
  border: 1px solid var(--dte-ink-faint);
  backdrop-filter: var(--dte-glass-blur);
  -webkit-backdrop-filter: var(--dte-glass-blur);
  box-shadow: var(--dte-glass-inner);
}

.btn--sm {
  min-height: 36px;
  padding: 0 var(--dte-s-4);
  font-size: 13px;
}

.btn--icon {
  width: var(--dte-tap-min);
  height: var(--dte-tap-min);
  padding: 0;
  border-radius: 50%;
}

/* ============================================================
   Result screen
   ============================================================ */
.result-placeholder {
  color: var(--dte-ink-soft);
  font: var(--dte-t-body-lg);
  text-align: center;
  padding: var(--dte-s-7) var(--dte-s-3);
}

.result-body {
  display: flex;
  flex-direction: column;
  gap: var(--dte-s-4);
}

.dig-stage {
  position: relative;
  padding: var(--dte-s-3) 4px;
}
.dig-line {
  position: absolute;
  top: var(--dte-s-4);
  bottom: var(--dte-s-4);
  left: 50%;
  width: 3px;
  background: linear-gradient(180deg,
    var(--dte-accent) 0%,
    var(--dte-accent-2) 50%,
    var(--dte-accent-4) 100%);
  transform: translateX(-50%);
  border-radius: var(--dte-r-pill);
  opacity: .9;
}
.dig-line::before,
.dig-line::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  transform: translateX(-50%);
}
.dig-line::before {
  top: -6px;
  background: var(--dte-accent);
  box-shadow: 0 0 0 4px rgba(255,182,39,.25);
}
.dig-line::after {
  bottom: -6px;
  background: var(--dte-accent-4);
  box-shadow: 0 0 0 4px rgba(124,92,255,.25);
}

.dig-pair {
  display: flex;
  flex-direction: column;
  gap: var(--dte-s-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.place-card {
  padding: var(--dte-s-5) var(--dte-s-5);
  border: 1px solid var(--dte-ink-faint);
}
.place-card__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--dte-r-pill);
  font: 800 11px/1 var(--dte-font-display);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: var(--dte-s-2);
}
.place-card__tag--you {
  background: var(--dte-accent-3);
  color: var(--dte-ink-on-accent);
}
.place-card__tag--anti {
  background: var(--dte-accent-4);
  color: #fff;
}
.place-card__name {
  font: var(--dte-t-title-md);
  letter-spacing: -.01em;
  margin-bottom: 4px;
}
.place-card__coords {
  font: var(--dte-t-caption);
  color: var(--dte-ink-soft);
  font-family: var(--dte-font-mono);
}

.stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--dte-s-3);
}
.stat-card {
  padding: var(--dte-s-3) var(--dte-s-4);
  border-radius: var(--dte-r-md);
  background: var(--dte-glass-bg);
  backdrop-filter: var(--dte-glass-blur-sm);
  -webkit-backdrop-filter: var(--dte-glass-blur-sm);
  border: 1px solid var(--dte-ink-faint);
}
.stat-card__label {
  font: var(--dte-t-eyebrow);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--dte-ink-soft);
  margin-bottom: 4px;
}
.stat-card__value {
  font: 800 22px/1.05 var(--dte-font-display);
  letter-spacing: -.02em;
  color: var(--dte-ink);
  font-variant-numeric: tabular-nums;
}

.fun-fact {
  display: flex;
  align-items: flex-start;
  gap: var(--dte-s-3);
  padding: var(--dte-s-4);
  border-radius: var(--dte-r-card);
  background:
    linear-gradient(135deg,
      color-mix(in oklab, var(--dte-accent-2) 22%, transparent),
      color-mix(in oklab, var(--dte-accent-4) 18%, transparent)),
    var(--dte-glass-bg);
  backdrop-filter: var(--dte-glass-blur);
  -webkit-backdrop-filter: var(--dte-glass-blur);
  border: 1px solid var(--dte-ink-faint);
  font: var(--dte-t-body);
  color: var(--dte-ink);
  font-weight: 600;
}
.fun-fact::before {
  content: "🌍";
  font-size: 28px;
  line-height: 1;
  flex-shrink: 0;
}
.fun-fact--water::before { content: "🐋"; }

.cta-row {
  display: flex;
  gap: var(--dte-s-3);
}
.cta-row__btn { flex: 1; }

/* ============================================================
   Map screen (full-bleed Leaflet canvas)
   ============================================================ */
.map-canvas {
  position: absolute;
  inset: 0;
  background: var(--dte-bg-elevated);
}
.map-canvas:focus-visible {
  outline: 3px solid var(--dte-accent);
  outline-offset: -3px;
}
.leaflet-container {
  touch-action: pan-x pan-y;
  font-family: var(--dte-font-body);
}
.leaflet-bar a,
.leaflet-touch .leaflet-bar a {
  background: var(--dte-glass-bg-strong);
  backdrop-filter: var(--dte-glass-blur-sm);
  -webkit-backdrop-filter: var(--dte-glass-blur-sm);
  color: var(--dte-ink);
  border-bottom-color: var(--dte-glass-border);
}
.leaflet-bar {
  border-radius: var(--dte-r-md);
  overflow: hidden;
  border: .5px solid var(--dte-glass-border);
  box-shadow: var(--dte-glass-inner), var(--dte-sh-card);
}
.leaflet-bar a:hover { background: var(--dte-glass-bg); }
.leaflet-control-attribution {
  background: var(--dte-glass-bg-strong);
  backdrop-filter: var(--dte-glass-blur-sm);
  -webkit-backdrop-filter: var(--dte-glass-blur-sm);
  border: .5px solid var(--dte-glass-border);
  border-radius: var(--dte-r-pill);
  color: var(--dte-ink-soft);
  font: 600 10px/1.2 var(--dte-font-body);
  padding: 4px 10px;
  margin: 6px 8px;
}
.leaflet-control-attribution a {
  color: var(--dte-ink-sec);
  font-weight: 700;
}

/* Marker bubble */
.marker-bubble {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  font-size: 1.6rem;
  background: var(--dte-glass-bg-solid-strong);
  border: 3px solid var(--dte-ink);
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  line-height: 1;
  transform: translate(-50%, -100%);
}

/* Map peek (floating bottom card) */
.map-peek {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: calc(100px + env(safe-area-inset-bottom, 0px));
  z-index: 40;
  padding: var(--dte-s-3) var(--dte-s-4);
  display: flex;
  align-items: center;
  gap: var(--dte-s-3);
}
.map-peek__from-to {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  font: var(--dte-t-body-sm);
  flex-wrap: wrap;
}
.map-peek__from-to strong {
  font-weight: 800;
  color: var(--dte-ink);
}
.map-peek__arrow {
  color: var(--dte-accent);
  font-weight: 800;
}
.map-peek__through {
  color: var(--dte-ink-soft);
}
.map-peek__km {
  font: 800 15px/1 var(--dte-font-display);
  color: var(--dte-ink);
}

/* ============================================================
   Globe screen
   ============================================================ */
.globe-canvas {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 60% at 50% 50%, rgba(124, 92, 255, .18) 0%, transparent 70%),
    #050B1A;
  overflow: hidden;
}
.globe-canvas:focus-visible {
  outline: 3px solid var(--dte-accent);
  outline-offset: -3px;
}
.globe-canvas canvas { display: block; }
.globe-canvas__loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  font: var(--dte-t-body-lg);
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 6px rgba(0,0,0,.8);
  pointer-events: none;
  background: linear-gradient(180deg, rgba(5,11,26,.55), rgba(5,11,26,.25));
  z-index: 30;
}

/* ============================================================
   Drilling overlay (between locator method choice + result screen)
   ============================================================ */
.drilling-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--dte-s-3);
  background: rgba(5, 11, 26, .94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 200;
  pointer-events: none;
  animation: drillFade 1500ms ease forwards;
  color: #fff;
  text-align: center;
  padding: 0 var(--dte-s-6);
}

.drilling-overlay__icon {
  font-size: 4rem;
  animation: drillSpin 1400ms ease-in-out;
  text-shadow: 0 4px 18px rgba(255, 140, 30, .6);
  filter: drop-shadow(0 0 20px rgba(255, 94, 91, .5));
}

.drilling-overlay__title {
  font: var(--dte-t-title-md);
  font-weight: 800;
  color: #fff;
}
.drilling-overlay__sub {
  font: var(--dte-t-body-sm);
  color: rgba(255, 255, 255, .72);
}

@keyframes drillSpin {
  0%   { transform: translateY(-20%) rotate(0deg) scale(1); }
  50%  { transform: translateY(0%)   rotate(180deg) scale(.92); }
  100% { transform: translateY(20%)  rotate(360deg) scale(1); opacity: .55; }
}
@keyframes drillFade {
  0%, 70% { opacity: 1; }
  100%    { opacity: 0; }
}

/* ============================================================
   Quiz
   ============================================================ */
.quiz__intro {
  color: var(--dte-ink-soft);
  font: var(--dte-t-body);
  margin-bottom: var(--dte-s-3);
}

.quiz__body {
  display: flex;
  flex-direction: column;
  gap: var(--dte-s-3);
  padding: var(--dte-s-5);
  background: var(--dte-glass-bg-strong);
  backdrop-filter: var(--dte-glass-blur);
  -webkit-backdrop-filter: var(--dte-glass-blur);
  border: 1px solid var(--dte-ink-faint);
  border-radius: var(--dte-r-card);
  box-shadow: var(--dte-glass-inner), var(--dte-sh-card);
}

.quiz__progress {
  display: inline-flex;
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: var(--dte-r-pill);
  background: var(--dte-accent);
  color: var(--dte-ink-on-accent);
  font: 800 12px/1 var(--dte-font-display);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.quiz__question {
  font: var(--dte-t-title-md);
  letter-spacing: -.01em;
  text-wrap: pretty;
}

.quiz__options {
  display: flex;
  flex-direction: column;
  gap: var(--dte-s-2);
}

.quiz__option {
  display: flex;
  align-items: center;
  text-align: left;
  min-height: var(--dte-tap-min);
  padding: var(--dte-s-3) var(--dte-s-4);
  background: var(--dte-glass-bg);
  backdrop-filter: var(--dte-glass-blur-sm);
  -webkit-backdrop-filter: var(--dte-glass-blur-sm);
  border: 1px solid var(--dte-ink-faint);
  border-radius: var(--dte-r-md);
  color: var(--dte-ink);
  font: var(--dte-t-body);
  transition: transform var(--dte-motion-fast),
              background var(--dte-motion-base),
              border-color var(--dte-motion-base);
}
.quiz__option:hover:not(:disabled) {
  background: var(--dte-glass-bg-strong);
  border-color: var(--dte-ink-sec);
}
.quiz__option:active:not(:disabled) { transform: scale(.98); }
.quiz__option:disabled { cursor: default; }

.quiz__option--correct {
  background: color-mix(in oklab, var(--dte-ok) 28%, transparent);
  border-color: var(--dte-ok);
  color: var(--dte-ink);
  font-weight: 700;
}
.quiz__option--wrong {
  background: color-mix(in oklab, var(--dte-error) 28%, transparent);
  border-color: var(--dte-error);
  color: var(--dte-ink);
  font-weight: 700;
}

.quiz__feedback {
  min-height: 1.5rem;
  font: var(--dte-t-body);
  font-weight: 700;
  padding: var(--dte-s-3) var(--dte-s-4);
  border-radius: var(--dte-r-md);
  background: var(--dte-glass-bg);
  border: 1px solid var(--dte-ink-faint);
}
.quiz__feedback:empty { display: none; }
.quiz__feedback--correct {
  color: var(--dte-ok);
  background: color-mix(in oklab, var(--dte-ok) 14%, transparent);
  border-color: color-mix(in oklab, var(--dte-ok) 45%, transparent);
}
.quiz__feedback--wrong {
  color: var(--dte-error);
  background: color-mix(in oklab, var(--dte-error) 14%, transparent);
  border-color: color-mix(in oklab, var(--dte-error) 45%, transparent);
}

.quiz__next { align-self: stretch; }

.quiz__end {
  display: flex;
  flex-direction: column;
  gap: var(--dte-s-3);
  align-items: center;
  text-align: center;
  padding: var(--dte-s-5);
  background: var(--dte-glass-bg-strong);
  border: 1px solid var(--dte-ink-faint);
  border-radius: var(--dte-r-card);
  box-shadow: var(--dte-glass-inner), var(--dte-sh-card);
}
.quiz__end-heading {
  font: var(--dte-t-title-md);
  letter-spacing: -.01em;
}
.quiz__end-score {
  color: var(--dte-ink-soft);
  font: var(--dte-t-body);
}

/* ============================================================
   Bottom tab bar (floats above content on every screen)
   ============================================================ */
.tabbar {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: calc(env(safe-area-inset-bottom, 0px) + 14px);
  height: 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 6px;
  border-radius: var(--dte-r-pill);
  background: var(--dte-glass-bg-strong);
  backdrop-filter: var(--dte-glass-blur);
  -webkit-backdrop-filter: var(--dte-glass-blur);
  border: .5px solid var(--dte-glass-border);
  box-shadow: var(--dte-glass-inner), var(--dte-sh-card);
  z-index: 100;
  max-width: 480px;
  margin: 0 auto;
}

.tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  border: none;
  background: transparent;
  border-radius: var(--dte-r-pill);
  color: var(--dte-ink-soft);
  min-height: 52px;
  transition: color var(--dte-motion-fast), background var(--dte-motion-base);
}
.tab svg {
  width: 22px;
  height: 22px;
}
.tab__label {
  font: 700 10px/1 var(--dte-font-display);
  letter-spacing: .02em;
}
.tab[aria-current="page"] {
  color: var(--dte-ink-on-accent);
  background: var(--dte-accent);
  box-shadow: 0 4px 12px rgba(255,182,39,.4);
}
[data-mode="standard"] .tab[aria-current="page"] {
  box-shadow: 0 3px 10px rgba(232,155,26,.32);
}

/* ============================================================
   404 page
   ============================================================ */
.page-404 { overflow: auto; }
.app--404 {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.notfound {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--dte-s-7) var(--dte-screen-pad-x) var(--dte-s-9);
  gap: var(--dte-s-3);
  max-width: 480px;
}
.notfound__eyebrow {
  display: inline-flex;
  padding: 4px 12px;
  border-radius: var(--dte-r-pill);
  background: var(--dte-accent-2);
  color: #fff;
  font: 800 11px/1 var(--dte-font-display);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.notfound__heading {
  font: var(--dte-t-title-xl);
  letter-spacing: -.02em;
}
.notfound__body {
  color: var(--dte-ink-sec);
  font: var(--dte-t-body-lg);
  max-width: 28ch;
}
.notfound__tunnel {
  position: relative;
  width: 220px;
  height: 220px;
}
.notfound__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--dte-accent-2);
  opacity: .15;
  animation: tunnelPulse 3s ease-out infinite;
}
.notfound__ring:nth-child(1) { animation-delay: 0s;   border-color: var(--dte-accent); }
.notfound__ring:nth-child(2) { animation-delay: .5s;  border-color: var(--dte-accent-2); }
.notfound__ring:nth-child(3) { animation-delay: 1s;   border-color: var(--dte-accent-4); }
.notfound__ring:nth-child(4) { animation-delay: 1.5s; border-color: var(--dte-accent-3); }
@keyframes tunnelPulse {
  0%   { opacity: 0; transform: scale(.4); }
  50%  { opacity: 1; }
  100% { opacity: 0; transform: scale(1.4); }
}
.notfound__mole {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 84px;
  height: 84px;
  transform: translate(-50%, -50%);
}

/* ============================================================
   Wider screens
   ============================================================ */
@media (min-width: 640px) {
  .screen-scroll {
    padding-left: max(var(--dte-screen-pad-x), 24px);
    padding-right: max(var(--dte-screen-pad-x), 24px);
  }
  .hero {
    text-align: center;
  }
  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
    max-width: 36ch;
  }
}

@media (min-width: 720px) {
  /* Centre the column on tablet+, the tabbar is already capped. */
  .screen-scroll {
    max-width: 560px;
    margin: 0 auto;
  }
}

/* ============================================================
   PWA install UI
   - install-btn  : header icon button, glass like .scheme-btn
   - install-banner : one-shot bottom nudge on first visit
   - install-ios  : modal sheet with the iOS AtH steps
   - update-toast / installed-toast : transient status surfaces
   All consume tokens so they re-skin correctly across the 2x2 matrix.
   ============================================================ */

.install-btn {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 50%;
  border: .5px solid var(--dte-glass-border);
  background: var(--dte-glass-bg-strong);
  backdrop-filter: var(--dte-glass-blur);
  -webkit-backdrop-filter: var(--dte-glass-blur);
  box-shadow: var(--dte-glass-inner), var(--dte-sh-card);
  color: var(--dte-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: transform var(--dte-motion-base);
}
.install-btn:hover  { transform: scale(1.05); }
.install-btn:active { transform: scale(.92); }
[data-scheme="light"] .install-btn {
  border-color: rgba(120, 70, 20, .22);
  box-shadow: var(--dte-glass-inner), 0 2px 8px rgba(120, 60, 0, .14);
}

/* ----- Install banner (first-visit nudge, floats above the tab bar) ----- */

.install-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: calc(env(safe-area-inset-bottom, 0px) + 90px);
  z-index: 95;
  display: flex;
  align-items: center;
  gap: var(--dte-s-3);
  padding: var(--dte-s-3) var(--dte-s-4);
  border-radius: var(--dte-r-card);
  max-width: 480px;
  margin: 0 auto;
}
.install-banner__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--dte-accent);
  color: var(--dte-ink-on-accent);
  box-shadow: var(--dte-sh-icon-sq);
}
.install-banner__text { flex: 1 1 auto; min-width: 0; }
.install-banner__title {
  font: var(--dte-t-body);
  font-weight: 800;
  color: var(--dte-ink);
}
.install-banner__body {
  font: var(--dte-t-body-sm);
  color: var(--dte-ink-soft);
}
.install-banner__actions {
  display: flex;
  align-items: center;
  gap: var(--dte-s-2);
  flex-shrink: 0;
}
.install-banner__dismiss {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--dte-ink-faint);
  background: transparent;
  color: var(--dte-ink-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.install-banner__dismiss:hover { color: var(--dte-ink); }

/* ----- iOS Add-to-Home-Screen modal ----- */

.install-ios {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0 16px calc(env(safe-area-inset-bottom, 0px) + 24px);
}
.install-ios__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 11, 26, .55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.install-ios__sheet {
  position: relative;
  width: 100%;
  max-width: 440px;
  border-radius: var(--dte-r-sheet);
  padding: var(--dte-s-6) var(--dte-s-5) var(--dte-s-5);
  display: flex;
  flex-direction: column;
  gap: var(--dte-s-4);
}
.install-ios__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--dte-ink-faint);
  background: transparent;
  color: var(--dte-ink-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.install-ios__close:hover { color: var(--dte-ink); }
.install-ios__title {
  font: var(--dte-t-title-md);
  letter-spacing: -.01em;
  padding-right: 44px;
}
.install-ios__steps {
  display: flex;
  flex-direction: column;
  gap: var(--dte-s-3);
}
.install-ios__step {
  display: grid;
  grid-template-columns: 28px 36px 1fr;
  align-items: center;
  gap: var(--dte-s-3);
  padding: var(--dte-s-3) var(--dte-s-4);
  border-radius: var(--dte-r-md);
  background: var(--dte-glass-bg);
  border: 1px solid var(--dte-ink-faint);
}
.install-ios__step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--dte-accent);
  color: var(--dte-ink-on-accent);
  font: 800 14px/1 var(--dte-font-display);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.install-ios__step-glyph {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--dte-glass-bg-strong);
  border: 1px solid var(--dte-ink-faint);
  color: var(--dte-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.install-ios__step-text {
  font: var(--dte-t-body);
  color: var(--dte-ink);
}

/* ----- Update + installed toasts (floating, bottom-centre) ----- */

.update-toast {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: calc(env(safe-area-inset-bottom, 0px) + 90px);
  z-index: 96;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--dte-s-3);
  padding: var(--dte-s-3) var(--dte-s-4);
  border-radius: var(--dte-r-card);
  max-width: 480px;
  margin: 0 auto;
}
.update-toast__text {
  font: var(--dte-t-body);
  font-weight: 700;
  color: var(--dte-ink);
}

.installed-toast {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: calc(env(safe-area-inset-bottom, 0px) + 90px);
  z-index: 97;
  padding: var(--dte-s-3) var(--dte-s-4);
  border-radius: var(--dte-r-pill);
  text-align: center;
  font: var(--dte-t-body);
  font-weight: 700;
  color: var(--dte-ink);
  max-width: 360px;
  margin: 0 auto;
}