/* DHKx 3D Atlas & Civic Dashboard -- dhaka.nonarkara.org
   House rules:
   - ZERO border-radius, ZERO box-shadow, ZERO gradients
   - hairline borders (1px solid var(--line)), signal palette only
   - sharp modernist edges, Dieter Rams functional geometry
   - Wada Sanzo Delta & Terracotta Palette
*/

@font-face {
  font-family: "Universa";
  src: url("/fonts/universa/universa-civic-v1.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("/fonts/SourceSans3-variable.woff2") format("woff2-variations");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #0d171d;
  --bg-raised: #122129;
  --bg-strong: #172a34;
  --line: #2e4450;
  --line-bright: #476677;
  --ink: #f5f0dc;
  --dim: #b8af94;
  --accent: #d9583b;
  --accent-ink: #0d171d;
  --accent-hover: #f5f0dc;
  --cool: #257da4;
  --amber: #e68a2e;
  --warn: #e5484d;
  --ok: #2bb071;
  --water: #257da4;
  --metro: #008751;
  --expressway: #e65100;
  --bus: #f59e0b;
  --rail: #6366f1;
  --heritage: #d9583b;
  --economy: #10b981;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --font-sans: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans Bengali", sans-serif;
  --font-display: "Universa", "Source Sans 3", -apple-system, BlinkMacSystemFont, sans-serif;
}

:root[data-theme="light"] {
  --bg: #fcf8ed;
  --bg-raised: #f5eed8;
  --bg-strong: #eee2be;
  --line: #a89f86;
  --line-bright: #69604c;
  --ink: #0d171d;
  --dim: #45555f;
  --accent: #b33a1e;
  --accent-ink: #fcf8ed;
  --accent-hover: #822712;
  --water: #1b5b7a;
  --metro: #00663d;
  --ok: #1e824c;
}

:root[data-theme="contrast"] {
  --bg: #050a0d;
  --bg-raised: #0a141a;
  --bg-strong: #102029;
  --line: #f5f0dc;
  --line-bright: #ffffff;
  --ink: #ffffff;
  --dim: #f5f0dc;
  --accent: #ff6f4f;
  --accent-ink: #050a0d;
  --accent-hover: #ffffff;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; width: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

.atlas-page *,
.atlas-page *::before,
.atlas-page *::after,
.dashboard-modal *,
.dashboard-modal *::before,
.dashboard-modal *::after {
  border-radius: 0 !important;
  box-shadow: none !important;
  transition: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.atlas-skip {
  position: absolute;
  top: -40px;
  left: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 6px 12px;
  z-index: 9999;
  font-weight: 700;
  text-decoration: none;
}
.atlas-skip:focus { top: 8px; }

/* ── Workbench Shell ──────────────────────────────────────────────────────── */
.atlas-page {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  background: var(--bg);
  overflow: hidden;
}

.atlas-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  flex-shrink: 0;
  gap: 12px;
  min-height: 38px;
  z-index: 30;
}

.atlas-header-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.city-brand-badge {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  padding: 2px 7px;
  letter-spacing: 0.05em;
  text-decoration: none;
}

.atlas-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.02em;
  color: var(--ink);
  white-space: nowrap;
}

.atlas-title-phone { display: none; }

.atlas-header-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.atlas-control-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--dim);
}

.atlas-select,
.atlas-control-label select,
.atlas-btn {
  background: var(--bg-raised);
  color: var(--ink);
  border: 1px solid var(--line);
  font-family: var(--font-sans);
  font-size: 12px;
  padding: 3px 8px;
  outline: none;
  cursor: pointer;
  height: 26px;
}
.atlas-btn:hover,
.atlas-select:hover {
  border-color: var(--line-bright);
}
.atlas-btn:active {
  background: var(--bg-strong);
}

.atlas-btn-accent {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
  font-weight: 600;
}
.atlas-btn-accent:hover {
  background: var(--accent-hover);
  color: var(--accent-ink);
}

.atlas-menu-summary {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  padding: 3px 10px;
  font-size: 12px;
  font-family: var(--font-mono);
  cursor: pointer;
  list-style: none;
  height: 26px;
  display: inline-flex;
  align-items: center;
}
.atlas-menu-summary::-webkit-details-marker { display: none; }

.atlas-menu-body {
  position: absolute;
  top: 36px;
  right: 14px;
  background: var(--bg-raised);
  border: 1px solid var(--line-bright);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 260px;
  z-index: 100;
}
.atlas-menu-body a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
}
.atlas-menu-body a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ── Lens Navigation Strip ────────────────────────────────────────────────── */
.atlas-lenses {
  display: flex;
  align-items: center;
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
  flex-shrink: 0;
  z-index: 25;
}
.atlas-lenses::-webkit-scrollbar { display: none; }

.atlas-lenses button {
  background: var(--bg);
  color: var(--dim);
  border: none;
  padding: 5px 12px;
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  outline: none;
  height: 27px;
  display: inline-flex;
  align-items: center;
}
.atlas-lenses button:hover {
  color: var(--ink);
  background: var(--bg-raised);
}
.atlas-lenses button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}

/* ── Lens Story Bar ──────────────────────────────────────────────────────── */
.atlas-lens-story {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 14px;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  color: var(--dim);
  flex-shrink: 0;
  gap: 12px;
  min-height: 24px;
}
.atlas-lens-story strong {
  color: var(--ink);
  font-weight: 600;
}

/* ── Map Canvas & Overlays ────────────────────────────────────────────────── */
.atlas-map-wrap {
  position: relative;
  flex: 1 1 auto;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.atlas-map {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
}

/* ── City Watch Strip ─────────────────────────────────────────────────────── */
.atlas-watch {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  max-width: 900px;
  margin: 0 auto;
  z-index: 20;
  pointer-events: none;
}
.atlas-watch-shell {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  pointer-events: auto;
}
.atlas-watch-shell summary {
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dim);
  background: var(--bg-strong);
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  list-style: none;
}
.atlas-watch-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
}
.atlas-watch-item {
  background: var(--bg);
  padding: 6px 10px;
  border: none;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--ink);
}
.atlas-watch-item:hover {
  background: var(--bg-raised);
}
.atlas-watch-item small {
  font-family: var(--font-mono);
  font-size: 9.5px;
  text-transform: uppercase;
  color: var(--dim);
  letter-spacing: 0.05em;
}
.atlas-watch-item strong {
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.atlas-watch-item[data-tier="warning"] strong { color: var(--amber); }
.atlas-watch-item[data-tier="danger"] strong { color: var(--warn); }
.atlas-watch-item[data-tier="ok"] strong { color: var(--ok); }

/* ── Floating Observation HUD ─────────────────────────────────────────────── */
.atlas-observation-hud {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 310px;
  max-height: calc(100% - 100px);
  overflow-y: auto;
  background: var(--bg-raised);
  border: 1px solid var(--line-bright);
  padding: 12px;
  z-index: 22;
  font-size: 12px;
}
.hud-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
  margin-bottom: 8px;
}
.hud-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}
.hud-badge {
  font-family: var(--font-mono);
  font-size: 9.5px;
  padding: 1px 5px;
  background: var(--bg-strong);
  color: var(--dim);
  border: 1px solid var(--line);
  text-transform: uppercase;
}
.hud-row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  border-bottom: 1px dotted var(--line);
}
.hud-label { color: var(--dim); font-size: 11px; }
.hud-value { font-weight: 600; text-align: right; }

/* ── Modals / Dialogs ─────────────────────────────────────────────────────── */
.dashboard-modal {
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--line-bright);
  padding: 0;
  max-width: 760px;
  width: 90vw;
  max-height: 85vh;
  z-index: 1000;
}
.dashboard-modal::backdrop {
  background: rgba(5, 10, 13, 0.75);
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  background: var(--bg-strong);
  border-bottom: 1px solid var(--line);
}
.modal-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  margin: 0;
}
.modal-close-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 2px 8px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
}
.modal-close-btn:hover { background: var(--accent); color: var(--accent-ink); }
.modal-body {
  padding: 16px;
  overflow-y: auto;
  max-height: calc(85vh - 50px);
}

/* ── Tables & Provenance ──────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin: 8px 0;
}
.data-table th,
.data-table td {
  padding: 6px 10px;
  border: 1px solid var(--line);
  text-align: left;
}
.data-table th {
  background: var(--bg-strong);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  color: var(--dim);
}
.data-table tr:hover {
  background: var(--bg-raised);
}

/* ── Loading Spinner / Splash ─────────────────────────────────────────────── */
.atlas-loading-screen {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 50;
  gap: 12px;
}
.atlas-loading-screen.loaded { display: none !important; }
.loading-logo {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 4px 16px;
  letter-spacing: 0.1em;
}
.loading-text {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--dim);
}

/* ── Mobile Responsive Geometry (390px phone tested) ─────────────────────── */
@media (max-width: 768px) {
  body { overflow: hidden; }
  .atlas-title-desk { display: none; }
  .atlas-title-phone { display: inline; }
  .atlas-header { padding: 4px 8px; }
  .atlas-control-label span { display: none; }
  .atlas-watch-grid { grid-template-columns: repeat(2, 1fr); }
  .atlas-observation-hud {
    top: auto;
    bottom: 80px;
    left: 8px;
    right: 8px;
    width: auto;
    max-height: 200px;
  }
}

/* The atlas is the work surface; controls and watch must fit their viewport. */
.atlas-page { height: 100dvh; }
.atlas-map-wrap { min-height: 0; }
.atlas-header-meta, .atlas-header-nav, .atlas-watch-item { min-width: 0; }
.atlas-watch-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.atlas-watch-item strong { white-space: normal; overflow: visible; overflow-wrap: anywhere; }
.atlas-watch-item small { font-family: var(--font-sans); font-size: 11px; }
.atlas-watch-shell summary { font-family: var(--font-sans); font-size: 12px; }
.atlas-watch { bottom: 30px; z-index: 60; }
.atlas-btn:focus-visible, .atlas-select:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.atlas-loading-screen { padding: 20px; text-align: center; }
.atlas-loading-screen p { max-width: 45ch; }
@media (max-width: 768px) {
  .atlas-header { flex-wrap: wrap; gap: 4px 8px; }
  .atlas-header-meta { flex: 1; }
  .atlas-header-nav { display: contents; }
  .atlas-header-nav > .atlas-control-label { order: 2; flex: 1 1 40%; }
  .atlas-header-nav > .atlas-control-label select { width: 100%; min-width: 0; }
  .atlas-header-nav > .atlas-menu { order: 1; }
  .atlas-select, .atlas-btn, .atlas-menu-summary { min-height: 36px; height: auto; }
  .atlas-menu-body { top: 42px; right: 8px; max-width: calc(100vw - 16px); }
  .atlas-lenses button { height: 36px; font-size: 12px; }
  .atlas-lens-story { display: block; padding: 5px 8px; }
  .atlas-lens-story strong { display: block; }
  .atlas-lens-story span { display: block; }
  .atlas-watch { left: 8px; right: 8px; }
  .atlas-watch-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .atlas-watch-item { padding: 5px 8px; }
  .atlas-observation-hud { top: 8px; bottom: auto; max-height: 45%; }
  .modal-body { padding: 12px; }
  .modal-close-btn { min-width: 36px; min-height: 36px; }
}
.atlas-layer-status { position: absolute; top: 8px; left: 8px; right: 52px; z-index: 21; margin: 0; padding: 6px 8px; max-width: 65ch; background: var(--bg); border: 1px solid var(--line); font-size: 12px; }
@media (max-width: 768px) {
  .atlas-header { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; }
  .atlas-header-meta { grid-column: 1; gap: 6px; }
  .atlas-header-nav > .atlas-btn { grid-column: 2; grid-row: 1; }
  .atlas-header-nav > .atlas-menu { grid-column: 3; grid-row: 1; order: 0; }
  .atlas-header-nav > .atlas-control-label { grid-row: 2; }
  .atlas-header-nav > .atlas-control-label:nth-of-type(1) { grid-column: 1; }
  .atlas-header-nav > .atlas-control-label:nth-of-type(2) { grid-column: 2 / 4; }
}