:root {
  --basalt: #16191b;
  --basalt-soft: #2c3134;
  --paper: #e7e8e3;
  --raised: #f5f6f2;
  --line: #c9cbc4;
  --slate: #5c6367;
  --building: #a2472f;

  --shadow: 0 1px 0 var(--line), 0 8px 24px -18px rgba(22, 25, 27, 0.5);

  /* Panel width scales with the window instead of snapping at breakpoints. */
  --panel: clamp(300px, 30vw, 440px);
  --detail: clamp(320px, 27vw, 440px);
  --gutter: clamp(14px, 2.6vw, 30px);
}

*, *::before, *::after { box-sizing: border-box; }

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

/* App shell: header sits still, the columns beneath it scroll on their own. */
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  height: 100dvh;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  /* Without an explicit column the grid sizes to its widest content, which
     lets a nowrap row push the whole page wider than the screen. */
  grid-template-columns: minmax(0, 1fr);
  overflow: hidden;
  background: var(--paper);
  color: var(--basalt);
  font: 400 16px/1.55 "IBM Plex Sans", system-ui, sans-serif;
}

a { color: #14666b; text-underline-offset: 3px; }

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

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}

/* ---------- masthead ---------- */

.masthead {
  min-width: 0;
  background: var(--basalt);
  color: var(--paper);
  padding: clamp(14px, 2vw, 22px) var(--gutter) 0;
}

.masthead__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px clamp(16px, 3vw, 32px);
  align-items: flex-end;
  justify-content: space-between;
}

.masthead h1 {
  margin: 0;
  font-family: Archivo, sans-serif;
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 44px);
  letter-spacing: -0.035em;
  line-height: 0.95;
}

.masthead h1 em { font-style: normal; font-weight: 600; color: #c9a227; }

.masthead__tag {
  margin: 6px 0 0;
  max-width: 46ch;
  color: #b6bab7;
  font-size: clamp(13px, 1.2vw, 15px);
}

.masthead__meta { display: flex; flex-wrap: wrap; gap: 2px 14px; }

.stamp {
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(10px, 1vw, 12px);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #c9a227;
  white-space: nowrap;
}

.stamp--quiet { color: #7d8285; }

/* The signature element: every tracked project, stacked by stage. */

.spine {
  display: flex;
  height: 10px;
  margin-top: clamp(12px, 1.6vw, 20px);
  overflow: hidden;
  background: var(--basalt-soft);
}

.spine__seg { transition: flex-grow 0.5s ease; min-width: 2px; }

.spine__key {
  min-width: 0;
  display: flex;
  gap: 4px clamp(12px, 2vw, 20px);
  flex-wrap: wrap;
  margin: 9px 0 0;
  padding: 0 0 clamp(12px, 1.6vw, 18px);
  list-style: none;
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(10px, 1vw, 12px);
  color: #b6bab7;
}

.spine__key li { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.spine__key i { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.spine__key b { color: var(--paper); font-weight: 500; }

/* ---------- view switch (narrow screens only) ---------- */

.viewswitch { display: none; }

/* ---------- layout ---------- */

.layout {
  min-width: 0;
  display: grid;
  grid-template-columns: var(--panel) minmax(0, 1fr);
  min-height: 0;
}

/* When a project is open on a wide screen it takes a third column rather
   than covering the map. */
@media (min-width: 1180px) {
  body[data-detail="open"] .layout {
    grid-template-columns: var(--panel) minmax(0, 1fr) var(--detail);
  }
}

.panel {
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: clamp(16px, 2vw, 22px) var(--gutter) 40px;
  border-right: 1px solid var(--line);
}

.mapwrap { min-height: 0; position: relative; }
#map { position: absolute; inset: 0; background: var(--paper); }

/* ---------- filters ---------- */

.search input {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line);
  background: var(--raised);
  border-radius: 2px;
  font: inherit;
  font-size: 16px; /* stops iOS zooming on focus */
  color: inherit;
}

.search input::placeholder { color: var(--slate); }

.chips {
  display: flex;
  gap: 6px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 6px 12px 6px 10px;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 999px;
  font: 500 13px/1 "IBM Plex Sans", sans-serif;
  color: var(--slate);
  cursor: pointer;
  white-space: nowrap;
}

.chip i { width: 8px; height: 8px; border-radius: 50%; background: currentColor; flex: none; }

.chip[aria-pressed="true"] {
  background: var(--raised);
  border-color: var(--basalt);
  color: var(--basalt);
  box-shadow: inset 0 0 0 1px var(--basalt);
}

.tally {
  margin: 16px 0 10px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate);
}

/* ---------- cards ---------- */

.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }

.card {
  width: 100%;
  text-align: left;
  display: block;
  padding: 13px 15px 12px;
  background: var(--raised);
  border: 1px solid var(--line);
  border-left: 4px solid var(--slate);
  border-radius: 2px;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.card:hover, .card.is-active { border-color: var(--basalt); box-shadow: var(--shadow); }

.card__stage {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card__name {
  margin: 3px 0 2px;
  font-family: Archivo, sans-serif;
  font-weight: 600;
  font-size: clamp(16px, 1.5vw, 19px);
  letter-spacing: -0.015em;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.card__where { color: var(--slate); font-size: 14px; overflow-wrap: anywhere; }

.card__facts {
  margin: 9px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--slate);
}

.empty { color: var(--slate); font-size: 15px; }

.maperror { margin: 0; padding: 28px var(--gutter); color: var(--slate); font-size: 14px; max-width: 42ch; }

/* ---------- detail ---------- */

.detail {
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--raised);
  border-left: 1px solid var(--basalt);
  padding: 16px var(--gutter) 44px;
}

/* Below the three-column breakpoint it floats over everything instead. */
@media (max-width: 1179px) {
  .detail {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(460px, 100vw);
    z-index: 30;
    box-shadow: -14px 0 40px -30px rgba(22, 25, 27, 0.7);
  }
}

.detail__close {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: 2px;
  min-height: 36px;
  padding: 6px 12px;
  cursor: pointer;
  color: var(--slate);
}

.detail h2 {
  font-family: Archivo, sans-serif;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: clamp(21px, 2.2vw, 27px);
  line-height: 1.1;
  margin: 16px 0 4px;
  overflow-wrap: anywhere;
}

.detail__where { color: var(--slate); margin: 0 0 16px; overflow-wrap: anywhere; }

.detail img { width: 100%; height: auto; border: 1px solid var(--line); display: block; }
.detail figure { margin: 0 0 18px; }
.detail figcaption { font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--slate); padding-top: 6px; }

.track { display: flex; gap: 3px; margin: 0 0 6px; }
.track span { height: 6px; flex: 1; background: var(--line); }
.track span.on { background: var(--stage); }

.track__label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--stage);
  margin: 0 0 18px;
}

.specs {
  margin: 0 0 18px;
  display: grid;
  grid-template-columns: minmax(90px, max-content) minmax(0, 1fr);
  gap: 7px clamp(12px, 1.6vw, 18px);
  font-size: 14px;
}

.specs dt {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate);
  padding-top: 2px;
}

.specs dd { margin: 0; overflow-wrap: anywhere; }

.specs--quiet { border-top: 1px solid var(--line); padding-top: 14px; font-size: 13px; color: var(--slate); }

.detail__note {
  margin: 22px 0 0;
  padding: 11px 13px;
  background: var(--paper);
  border-left: 3px solid var(--line);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--slate);
}

.detail__sources { font-size: 13px; color: var(--slate); border-top: 1px solid var(--line); padding-top: 14px; margin-top: 18px; }
.detail__sources ul { margin: 6px 0 0; padding-left: 18px; }
.detail__sources li { overflow-wrap: anywhere; }

.doc {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 11px 13px;
  margin: 0 0 18px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--paper);
  text-decoration: none;
  color: var(--basalt);
  font-size: 14px;
}

.doc:hover { border-color: var(--basalt); }

.doc__icon {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  background: var(--building);
  color: var(--raised);
  padding: 4px 6px;
  border-radius: 2px;
  flex: none;
}

/* ---------- colophon ---------- */

.colophon {
  border-top: 1px solid var(--line);
  margin-top: 32px;
  padding-top: 22px;
  font-size: 13px;
  color: var(--slate);
}

.colophon p { margin: 0 0 8px; max-width: 70ch; }

/* ---------- map popup ---------- */

.maplibregl-popup-content { font-family: "IBM Plex Sans", sans-serif; border-radius: 2px; padding: 10px 12px; }

/* ---------- narrow: one column, tabbed ---------- */

@media (max-width: 860px) {
  .viewswitch {
    display: flex;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

  .viewswitch button {
    flex: 1;
    min-height: 46px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font: 500 15px "IBM Plex Sans", sans-serif;
    color: var(--slate);
    cursor: pointer;
  }

  .viewswitch button[aria-selected="true"] { color: var(--basalt); border-bottom-color: var(--building); }

  .layout { grid-template-columns: minmax(0, 1fr); }
  .panel { border-right: none; }

  body[data-view="list"] .mapwrap { display: none; }
  body[data-view="map"] .panel { display: none; }

  /* Filter chips become one swipeable row instead of three stacked lines. */
  .chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 2px;
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
  }

  .chips::-webkit-scrollbar { display: none; }

  .spine__key { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .spine__key::-webkit-scrollbar { display: none; }
}

/* Very small phones: give the map more room. */
@media (max-width: 400px) {
  .masthead__tag { display: none; }
  .spine__key { font-size: 10px; }
}

/* Short landscape phones. */
@media (max-height: 520px) and (max-width: 900px) {
  .masthead__tag, .spine__key { display: none; }
  .masthead h1 { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}