@font-face {
  font-family: "Source Sans 3";
  src: url("fonts/source-sans-3-latin-ext.woff2") format("woff2-variations");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("fonts/source-sans-3-latin.woff2") format("woff2-variations");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("fonts/source-serif-4-latin-ext.woff2") format("woff2-variations");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Source Serif 4";
  src: url("fonts/source-serif-4-latin.woff2") format("woff2-variations");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --ink: #1c2430;
  --ink-soft: #5a4e42;
  --paper: #f3eee4;
  --panel: #f7f3eb;
  --ocean: #b9d2df;
  --line: rgba(44, 36, 28, 0.14);
  --accent: #c45c4a;
  --night: #141b23;
  --night-deep: #10161c;
  --cream: #f6f1e8;
  --cream-soft: #d9cfbf;
  --shadow: 0 8px 22px rgba(16, 22, 28, 0.18);
  --sans: "Source Sans 3", "Segoe UI", sans-serif;
  --serif: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --radius: 8px;
  --radius-lg: 12px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --control: 36px;
  --type-meta: 0.75rem;
  --type-ui: 0.875rem;
  --type-body: 1rem;
  --type-title: 1.375rem;
  --type-brand: 1.25rem;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 450;
  line-height: 1.45;
  background: var(--night-deep);
  overscroll-behavior: none;
}

::selection {
  background: rgba(196, 92, 74, 0.28);
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.icon {
  display: block;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.topbar {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
  min-height: 64px;
  padding: 10px max(16px, env(safe-area-inset-right)) 10px max(16px, env(safe-area-inset-left));
  padding-top: max(10px, env(safe-area-inset-top));
  background: var(--night);
  color: var(--cream);
}

.brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  gap: 1px;
  color: inherit;
  text-decoration: none;
}

.brand h1,
.brand-name {
  margin: 0;
  font-family: var(--serif);
  font-size: var(--type-brand);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--cream);
}

.brand p {
  margin: 0;
  color: var(--cream-soft);
  font-size: var(--type-meta);
  font-weight: 450;
  letter-spacing: 0.01em;
  line-height: 1.3;
}

.mode-switch {
  display: flex;
  margin-left: auto;
  padding: 3px;
  border-radius: 999px;
  background: rgba(246, 241, 232, 0.08);
}

.label-short { display: none; }

.mode-btn,
.about-btn,
.seg-btn,
.zoom-stack button,
#about-close,
.sheet-toggle,
.sheet-close,
.info-close {
  font: inherit;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.mode-btn {
  border: 0;
  border-radius: 999px;
  min-height: var(--control);
  padding: 0 14px;
  background: transparent;
  color: var(--cream-soft);
  font-size: var(--type-ui);
  font-weight: 550;
  transition: background 160ms ease, color 160ms ease;
}

.mode-btn:hover {
  color: var(--cream);
  background: rgba(246, 241, 232, 0.08);
}

.mode-btn.is-active {
  background: var(--cream);
  color: var(--ink);
}

.mode-btn.is-active:hover {
  background: var(--cream);
  color: var(--ink);
}

.about-btn {
  border: 1px solid rgba(246, 241, 232, 0.22);
  border-radius: 999px;
  min-height: var(--control);
  padding: 0 14px;
  background: transparent;
  color: var(--cream);
  font-size: var(--type-ui);
  font-weight: 550;
  transition: background 160ms ease, border-color 160ms ease;
}

.about-btn:hover {
  background: rgba(246, 241, 232, 0.1);
  border-color: rgba(246, 241, 232, 0.4);
}

main {
  position: relative;
  flex: 1;
  min-height: 0;
}

.view {
  position: absolute;
  inset: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.view.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.osd, #atlas-stage {
  width: 100%;
  height: 100%;
  background: #c5d5c8;
}

#atlas-stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
  touch-action: none;
  cursor: grab;
}

#atlas-stage:active {
  cursor: grabbing;
}

#atlas-map,
#atlas-overlay {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
}

#atlas-map {
  will-change: transform;
}

#atlas-overlay {
  pointer-events: none;
}

#atlas-stage.is-zooming #atlas-overlay {
  opacity: 0;
}

.atlas-status {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  margin: 0;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--ink-soft);
  font-size: var(--type-ui);
  box-shadow: var(--shadow);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.atlas-status[hidden] {
  display: none;
}

.atlas-status.is-error {
  color: var(--ink);
  pointer-events: auto;
}

.map-chrome {
  position: absolute;
  top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: min(340px, calc(100% - 32px));
  z-index: 3;
}

.map-chrome.left { left: var(--space-4); }
.map-chrome.right { right: var(--space-4); left: auto; }

.panel {
  padding: var(--space-3) 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow);
}

fieldset {
  margin: 0 0 var(--space-3);
  padding: 0;
  border: 0;
  min-width: 0;
}

fieldset:last-of-type {
  margin-bottom: 0;
}

legend {
  padding: 0;
  margin: 0 0 6px;
  color: var(--ink-soft);
  font-size: var(--type-meta);
  font-weight: 650;
  line-height: 1.3;
}

.panel-note,
#info-meta,
#info-area {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: var(--type-ui);
  line-height: 1.45;
}

.segmented {
  display: flex;
  gap: var(--space-1);
}

.seg-btn {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: 999px;
  min-height: var(--control);
  padding: 0 8px;
  background: #fffdf8;
  color: var(--ink);
  font-size: var(--type-ui);
  font-weight: 550;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.seg-btn:hover {
  background: #efe8dc;
}

.seg-btn.is-active {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}

.seg-btn.is-active:hover {
  background: var(--ink);
  color: var(--cream);
}

.check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 32px;
  margin: 2px 0;
  font-size: var(--type-ui);
  cursor: pointer;
}

.check input {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.chrome-row { display: contents; }

.sheet { display: contents; }

.sheet-head { display: none; }

.sheet-toggle,
.sheet-backdrop { display: none; }

.info-panel { position: relative; }

.info-close {
  display: none;
  position: absolute;
  top: 6px;
  right: 6px;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
}

.info-close:hover {
  background: rgba(28, 36, 48, 0.08);
  color: var(--ink);
}

.search-panel { padding: 6px; }

.search-field {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px 0 12px;
  border-radius: var(--radius);
  background: #fffdf8;
}

.search-icon {
  flex-shrink: 0;
  color: var(--ink-soft);
}

#search {
  width: 100%;
  min-height: var(--control);
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--ink);
  caret-color: var(--accent);
  font: inherit;
  font-size: 16px;
  outline: none;
}

#search::placeholder {
  color: var(--ink-soft);
  opacity: 1;
}

.search-field:focus-within {
  box-shadow: 0 0 0 2px var(--accent);
}

.search-field:focus-within .search-icon {
  color: var(--ink);
}

#search-results {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  max-height: 240px;
  overflow: auto;
}

#search-results button {
  width: 100%;
  border: 0;
  border-radius: var(--radius);
  padding: 8px 10px;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
  font: inherit;
}

#search-results button:hover,
#search-results button.is-active {
  background: rgba(44, 36, 28, 0.08);
}

#search-results small {
  display: block;
  margin-top: 1px;
  color: var(--ink-soft);
  font-size: var(--type-meta);
}

.search-empty {
  padding: 8px 10px 6px;
  color: var(--ink-soft);
  font-size: var(--type-ui);
}

.info-panel h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: var(--type-title);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.zoom-stack {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.zoom-stack button {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  transition: background 160ms ease;
}

.zoom-stack button:hover {
  background: #efe8dc;
}

.zoom-stack button:last-child { border-bottom: 0; }

.tooltip {
  position: absolute;
  z-index: 4;
  padding: 6px 9px;
  border-radius: var(--radius);
  background: var(--night);
  color: var(--cream);
  font-size: var(--type-ui);
  line-height: 1.3;
  pointer-events: none;
  transform: translate(12px, 12px);
}

.attrib {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  min-height: 32px;
  padding: 6px max(16px, env(safe-area-inset-right)) max(6px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  background: var(--night-deep);
  color: var(--cream-soft);
  font-size: var(--type-meta);
  line-height: 1.35;
}

.country {
  stroke: rgba(60, 48, 32, 0.35);
  stroke-width: 0.6px;
  cursor: pointer;
  vector-effect: non-scaling-stroke;
}

.country.is-hover {
  stroke: #9a4032;
  stroke-width: 2px;
  filter: brightness(1.14) saturate(1.2);
}

.country.is-selected {
  stroke: #141b23;
  stroke-width: 2px;
}

.country.is-hover.is-selected {
  stroke: #9a4032;
}

.lakes { fill: #8fb8cc; stroke: none; pointer-events: none; }
.rivers {
  fill: none;
  stroke: #6a9bb0;
  stroke-width: 1px;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}
.graticule {
  fill: none;
  stroke: rgba(255, 255, 255, 0.28);
  stroke-width: 0.7px;
  vector-effect: non-scaling-stroke;
}
.sphere {
  fill: var(--ocean);
  stroke: #7f9aa8;
  vector-effect: non-scaling-stroke;
}
.city { fill: #141b23; stroke: white; }
.city.is-capital { fill: var(--accent); }
.label {
  fill: #243040;
  font-size: 12px;
  paint-order: stroke;
  stroke: rgba(250, 247, 240, 0.9);
  stroke-width: 3px;
  pointer-events: none;
}

dialog {
  border: 0;
  border-radius: 16px;
  padding: 0;
  background: transparent;
  color: var(--ink);
}

dialog::backdrop { background: rgba(16, 22, 28, 0.55); }

.about-card {
  width: min(560px, 92vw);
  max-height: min(80vh, 90dvh);
  overflow: auto;
  padding: 24px 24px 20px;
  border-radius: 16px;
  background: var(--panel);
}

.about-card h1,
.about-card h2 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.about-card p {
  margin: 0 0 12px;
  max-width: 62ch;
  line-height: 1.55;
}

.fine {
  color: var(--ink-soft);
  font-size: 0.875rem;
}

.about-version {
  margin: 12px 0 0;
}

.about-version .rev {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.92em;
}

#about-close {
  margin-top: 8px;
  border: 0;
  border-radius: 999px;
  min-height: var(--control);
  padding: 0 16px;
  background: var(--ink);
  color: var(--cream);
  font-size: var(--type-ui);
  font-weight: 550;
  transition: background 160ms ease;
}

#about-close:hover {
  background: #2a3440;
}

.navigator {
  background: rgba(247, 243, 235, 0.94) !important;
  border: 1px solid var(--line) !important;
}

.page-missing {
  background: var(--night);
}

.missing-main {
  display: grid;
  place-items: center;
  padding: var(--space-4);
}

.missing-link {
  display: inline-flex;
  align-items: center;
  min-height: var(--control);
  color: var(--accent);
  font-weight: 650;
  text-underline-offset: 3px;
}

.missing-link:hover {
  color: #9a4032;
}

@media (max-width: 720px) {
  .topbar {
    gap: var(--space-2);
    min-height: 48px;
    padding: 6px max(8px, env(safe-area-inset-right)) 6px max(8px, env(safe-area-inset-left));
    padding-top: max(6px, env(safe-area-inset-top));
  }

  .brand h1,
  .brand-name { font-size: 1.25rem; }
  .brand p { display: none; }

  .label-full { display: none; }
  .label-short { display: inline; }

  .mode-switch {
    margin-left: auto;
    padding: 2px;
  }

  .mode-btn,
  .about-btn {
    min-height: 32px;
    padding: 0 10px;
    font-size: var(--type-ui);
  }

  .map-chrome {
    max-width: none;
    gap: 6px;
  }

  .map-chrome.left {
    left: 8px;
    right: 8px;
    top: 8px;
  }

  .map-chrome.right {
    top: auto;
    bottom: max(8px, env(safe-area-inset-bottom));
    right: 8px;
    z-index: 5;
  }

  body.sheet-open .map-chrome.left {
    z-index: 8;
  }

  body.sheet-open .topbar {
    z-index: 9;
  }

  .chrome-row {
    display: flex;
    gap: 6px;
    align-items: stretch;
  }

  .chrome-row .search-panel {
    flex: 1;
    min-width: 0;
    margin: 0;
    padding: 4px;
    border-radius: 10px;
  }

  .sheet-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex-shrink: 0;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 0 12px;
    background: var(--panel);
    box-shadow: var(--shadow);
    color: var(--ink);
    font-size: var(--type-ui);
    font-weight: 650;
  }

  .sheet {
    display: none;
    position: fixed;
    left: 8px;
    right: 8px;
    bottom: max(8px, env(safe-area-inset-bottom));
    z-index: 9;
    max-height: min(62dvh, 400px);
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    pointer-events: auto;
  }

  .sheet.is-open { display: block; }

  .sheet .panel {
    width: 100%;
    padding: 12px;
    border-radius: var(--radius-lg);
  }

  .layer-set {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 8px;
  }

  .layer-set legend,
  .sheet-head,
  .sheet fieldset {
    grid-column: 1 / -1;
  }

  legend {
    margin-bottom: 6px;
  }

  body.sheet-open .map-chrome.right {
    visibility: hidden;
  }

  .sheet-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
  }

  .sheet-head h2 {
    margin: 0;
    font-family: var(--sans);
    font-size: 1.25rem;
    font-weight: 650;
    letter-spacing: -0.01em;
    line-height: 1.2;
  }

  .sheet-close {
    border: 0;
    border-radius: 999px;
    min-height: 32px;
    padding: 0 10px;
    background: rgba(28, 36, 48, 0.08);
    color: var(--ink);
    font-size: var(--type-ui);
    font-weight: 550;
  }

  .sheet-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 7;
    background: rgba(16, 22, 28, 0.4);
  }

  body.sheet-open .sheet-backdrop {
    display: block;
  }

  .seg-btn {
    min-height: 36px;
  }

  .check {
    min-height: 36px;
    margin: 0;
  }

  .info-panel {
    position: fixed;
    left: 8px;
    right: 52px;
    top: auto;
    bottom: max(8px, env(safe-area-inset-bottom));
    z-index: 4;
    padding: 10px 36px 10px 12px;
    border-radius: var(--radius-lg);
  }

  .info-panel h2 {
    padding-right: 8px;
    font-size: 1.25rem;
  }

  #info-meta, #info-area { font-size: var(--type-ui); }

  .info-close { display: grid; }

  .wall-panel .panel-note {
    display: none;
  }

  .wall-panel { padding: 6px; }

  .zoom-stack button {
    width: 40px;
    height: 40px;
  }

  .attrib {
    min-height: 28px;
    padding: 4px 8px max(4px, env(safe-area-inset-bottom));
  }

  .navigator { display: none !important; }

  .tooltip { display: none; }
}

@media (max-width: 720px) and (max-height: 500px) {
  .attrib { display: none; }

  .sheet {
    max-height: min(58dvh, 280px);
  }

  .info-panel {
    right: 52px;
    max-height: 30dvh;
    overflow: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mode-btn,
  .about-btn,
  .seg-btn,
  .zoom-stack button,
  #about-close {
    transition: none;
  }
}