/* ==========================================================================
   Istanbul District Political Map — Stylesheet
   Editorial / data-journalism aesthetic (FT · Reuters Graphics · Datawrapper)
   No gradients, no shadows, no decorative effects, minimal motion.
   ========================================================================== */

:root {
  --ink: #16171A;
  --ink-soft: #56585E;
  --ink-faint: #8A8C92;
  --line: #D8D9DC;
  --line-strong: #B9BABE;
  --bg: #FFFFFF;
  --panel-bg: #FAFAFA;
  --accent: #16171A;
  --focus: #1266F1;
  --radius: 2px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

body {
  width: 100%;
  overflow-x: hidden;
}

.wrap {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 20px 16px 28px;
}

/* ---------- Header ---------- */

.head {
  margin-bottom: 16px;
}

.title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}

.subtitle {
  font-size: 12.5px;
  font-weight: 400;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.4;
}

/* ---------- Segmented control ---------- */

.tabs {
  display: flex;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 16px;
  width: fit-content;
  max-width: 100%;
}

.tab {
  appearance: none;
  border: none;
  background: var(--bg);
  color: var(--ink-soft);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  cursor: pointer;
  border-right: 1px solid var(--line);
  white-space: nowrap;
  transition: background-color 120ms ease, color 120ms ease;
}

.tab:last-child { border-right: none; }

.tab:hover { background: var(--panel-bg); color: var(--ink); }

.tab[aria-selected="true"] {
  background: var(--ink);
  color: #fff;
}

.tab:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
  z-index: 1;
  position: relative;
}

/* ---------- Stage layout: map + detail panel ---------- */

.stage {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 20px;
  align-items: start;
}

@media (max-width: 700px) {
  .stage {
    grid-template-columns: 1fr;
  }
}

.map-col {
  min-width: 0; /* allow shrink inside grid */
}

.map-frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  width: 100%;
  overflow: hidden;
  touch-action: none;
}

.map-frame.is-zoomed {
  cursor: grab;
}

.map-frame.is-dragging {
  cursor: grabbing;
}

.map-svg-holder {
  width: 100%;
  aspect-ratio: 800 / 428;
  display: block;
  opacity: 1;
  transform-origin: center center;
  transition: opacity 200ms ease, transform 220ms ease;
}

.map-svg-holder.is-panning {
  transition: opacity 200ms ease;
}

.map-svg-holder.fade {
  opacity: 0;
}

.map-svg-holder svg {
  width: 100%;
  height: 100%;
  display: block;
}

.map-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12.5px;
  color: var(--ink-faint);
  margin: 0;
  pointer-events: none;
}

.map-loading[hidden] { display: none; }

/* Zoom controls */

.zoom-controls {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
  z-index: 2;
}

.zoom-btn {
  appearance: none;
  border: none;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  width: 26px;
  height: 26px;
  font-size: 15px;
  line-height: 1;
  font-family: var(--font);
  cursor: pointer;
  padding: 0;
}

.zoom-btn:last-child { border-bottom: none; }

.zoom-btn:hover { background: var(--panel-bg); }

.zoom-btn:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
  z-index: 1;
  position: relative;
}

.zoom-btn-reset { font-size: 12px; }

/* District path styling */

.district {
  stroke: #FFFFFF;
  stroke-width: 0.8;
  cursor: pointer;
  transition: filter 100ms ease;
}

.district:focus {
  outline: none;
}

.district:focus-visible {
  outline: none;
  stroke: var(--focus);
  stroke-width: 2;
}

.district.is-hovered {
  filter: brightness(0.92);
}

.district.is-selected {
  stroke: var(--ink);
  stroke-width: 1.6;
}

.district-hatch {
  pointer-events: none;
}

/* ---------- Legend ---------- */

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  align-items: center;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-soft);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.legend-swatch {
  width: 11px;
  height: 11px;
  border-radius: 2px;
  display: inline-block;
  flex: none;
  border: 1px solid rgba(0,0,0,0.08);
}

.legend-swatch.hatch-arrested {
  background-color: #EDEDED;
  background-image: repeating-linear-gradient(
    45deg,
    rgba(0,0,0,0.4) 0px,
    rgba(0,0,0,0.4) 1px,
    transparent 1px,
    transparent 4px
  );
}

.legend-swatch.hatch-released {
  background-color: #EDEDED;
  background-image: repeating-linear-gradient(
    45deg,
    rgba(0,229,255,1) 0px,
    rgba(0,229,255,1) 1px,
    transparent 1px,
    transparent 4px
  );
}

/* ---------- Detail panel ---------- */

.detail {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-bg);
  padding: 16px;
  min-height: 180px;
  position: relative;
}

.search-box {
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.search-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

.search-input {
  width: 100%;
  font-family: var(--font);
  font-size: 13.5px;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 7px 9px;
}

.search-input::-webkit-search-cancel-button {
  cursor: pointer;
}

.search-input:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 1px;
}

.detail-empty {
  color: var(--ink-faint);
}

.detail-empty p {
  margin: 0 0 4px;
  font-size: 13px;
}

.detail-empty-sub {
  font-size: 12px !important;
  color: var(--ink-faint);
}

.detail-card {
  opacity: 1;
  transition: opacity 180ms ease;
}

.detail-card:focus-visible {
  outline: none;
}

.detail-close {
  position: absolute;
  top: 10px;
  right: 10px;
  border: none;
  background: transparent;
  font-size: 18px;
  line-height: 1;
  color: var(--ink-faint);
  cursor: pointer;
  padding: 4px;
}

.detail-close:hover { color: var(--ink); }

.detail-close:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 1px;
}

.detail-title {
  font-size: 16px;
  font-weight: 700;
  margin: 0 20px 2px 0;
  letter-spacing: -0.01em;
}

.detail-mayor {
  font-size: 12.5px;
  color: var(--ink-soft);
  margin: 0 0 12px;
}

.detail-lines {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.9;
}

.detail-lines dt {
  display: inline;
  color: var(--ink-soft);
  font-weight: 500;
}

.detail-lines dt::after {
  content: ": ";
}

.detail-lines dd {
  display: inline;
  margin: 0;
  font-weight: 600;
}

.detail-lines .detail-row {
  display: block;
}

.detail-status {
  display: block;
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--line);
  font-weight: 600;
  font-size: 13px;
}

.detail-status.is-flag {
  color: #A13A1D;
}

.detail-note {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--ink-soft);
}

.detail-note[hidden] { display: none; }

/* ---------- Footer ---------- */

.foot {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.foot p {
  margin: 0;
  font-size: 11.5px;
  color: var(--ink-faint);
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  .map-svg-holder,
  .tab,
  .detail-card,
  .district {
    transition: none !important;
  }
}

@media (max-width: 700px) {
  .zoom-controls {
    top: 8px;
    right: 8px;
  }
}