/* ── Design Tokens ────────────────────────────────────────────────────── */
:root {
  --green:   #2d6a4f;
  --gl:      #52b788;
  --bg:      #f8f8f6;
  --bd:      #e0e0dc;
  --tx:      #2a2a2a;
  --mu:      #767676; /* min. 4.5:1 auf weiss — WCAG AA */
  --sw:      300px;
  --hh:      46px;
}

/* ── Screen-reader-only Hilfsklasse ────────────────────────────────── */
.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;
}

/* ── Reset ────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, sans-serif;
  background: var(--bg);
  color: var(--tx);
}

/* ── Header ───────────────────────────────────────────────────────────── */
#hd {
  height: var(--hh);
  background: var(--green);
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 10px;
  position: relative;
  z-index: 500;
}
#hd h1     { font-size: .9rem; font-weight: 600; }
#hd .sep   { opacity: .3; }
#hd .sub   { font-size: .76rem; opacity: .65; }
#hd .sp    { flex: 1; }

.pill { display: flex; align-items: center; gap: 4px; font-size: .72rem; opacity: .8; }
.dot  { width: 6px; height: 6px; border-radius: 50%; background: #74c69d; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }

.badge {
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.25);
  padding: 2px 9px; border-radius: 10px;
  font-size: .7rem; letter-spacing: .05em;
  text-decoration: none; color: #fff;
}
a.badge:hover { background: rgba(255,255,255,.28); }

/* ── Layout ───────────────────────────────────────────────────────────── */
#lay { display: flex; height: calc(100vh - var(--hh)); }

/* ── Sidebar ──────────────────────────────────────────────────────────── */
#sb {
  width: var(--sw);
  background: #fff;
  border-right: 1px solid var(--bd);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}
#sbs { flex: 1; overflow-y: auto; }

/* ── Sections ─────────────────────────────────────────────────────────── */
.sec   { padding: 11px 13px; border-bottom: 1px solid var(--bd); }
.stitle {
  font-size: .67rem; text-transform: uppercase;
  letter-spacing: .08em; color: var(--mu);
  margin-bottom: 9px; font-weight: 700;
}

/* ── Stat grid ────────────────────────────────────────────────────────── */
.sg { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 8px; }
.sc { background: var(--bg); border-radius: 5px; padding: 7px 9px; text-align: center; }
.sc .v { font-size: 1.2rem; font-weight: 700; color: var(--green); line-height: 1.1; }
.sc .l { font-size: .67rem; color: var(--mu); margin-top: 1px; }

.ins {
  background: #f0f9f4;
  border-left: 3px solid var(--gl);
  padding: 7px 9px; font-size: .8rem; line-height: 1.45;
  border-radius: 0 4px 4px 0; color: #1b4332;
}

/* ── Chart ────────────────────────────────────────────────────────────── */
#chart-wrap { background: var(--bg); border-radius: 5px; padding: 8px 10px; margin-top: 8px; }
#chart-wrap .ct { font-size: .68rem; color: var(--mu); margin-bottom: 4px; }
#pop-chart { width: 100%; height: 48px; display: block; }

/* ── Layer groups & items ─────────────────────────────────────────────── */
.lgt {
  font-size: .68rem; font-weight: 700; color: #555;
  text-transform: uppercase; letter-spacing: .04em;
  margin: 9px 0 5px; padding-top: 5px;
  border-top: 1px dashed #ebebeb;
  border-left: 3px solid var(--grp-color, #ccc);
  padding-left: 7px;
  cursor: pointer; user-select: none;
  display: flex; align-items: center; justify-content: space-between;
}
.lgt:first-child { margin-top: 0; border-top: none; }
.lgt::after { content: '▾'; font-size: .6rem; opacity: .5; }
.lgt.lgt-collapsed::after { content: '▸'; }
.lgt-body { }
.lgt-body.collapsed { display: none; }

/* ── Unfälle Schweregrad-Filter ───────────────────────────────────────── */
.unfall-filter {
  display: flex; gap: 10px;
  padding: 3px 0 4px 22px; font-size: .75rem; color: #555;
}
.unfall-filter label { display: flex; align-items: center; gap: 3px; cursor: pointer; }
.unfall-filter input { accent-color: var(--green); cursor: pointer; }

.li {
  display: flex; align-items: center; gap: 7px;
  padding: 3px 0; cursor: pointer; user-select: none;
}
.li:hover { opacity: .75; }
.li input { cursor: pointer; accent-color: var(--green); flex-shrink: 0; }

/* Layer swatches */
.sw        { width: 16px; height: 10px; border-radius: 2px; flex-shrink: 0; }
.sw.circle { border-radius: 50%; width: 12px; height: 12px; }
.sw.line   { height: 3px; border-radius: 2px; }

.li-lb { font-size: .82rem; flex: 1; }
.li-ct {
  font-size: .69rem; color: var(--mu);
  background: #f0f0f0; padding: 1px 6px; border-radius: 9px;
}

/* Layer status indicator */
.li-status { font-size: .75rem; width: 14px; text-align: center; }

/* ── Radius note ──────────────────────────────────────────────────────── */
.rad-note {
  font-size: .71rem; color: #666;
  margin-top: 4px; padding: 5px 8px;
  background: var(--bg); border-radius: 4px; line-height: 1.5;
}

/* ── Layer-Suche ──────────────────────────────────────────────────────── */
.layer-search-wrap {
  padding: 7px 13px 4px;
  border-bottom: 1px solid var(--bd);
}
.layer-search-input {
  width: 100%; padding: 5px 9px;
  border: 1px solid var(--bd); border-radius: 5px;
  font-size: .8rem; background: var(--bg); color: var(--tx);
  outline: none;
}
.layer-search-input:focus { border-color: var(--green); }
.layer-search-input::placeholder { color: var(--mu); }

/* ── Unfälle Zeitstrahl ───────────────────────────────────────────────── */
.unfall-filter-wrap { }
.unfall-year-row {
  display: flex; align-items: center; gap: 6px;
  padding: 4px 0 5px 22px; font-size: .75rem; color: #555;
}
.unfall-year-slider {
  flex: 1; accent-color: var(--green); cursor: pointer;
  height: 3px; min-width: 0;
}
.unfall-year-val {
  font-weight: 700; color: var(--green);
  min-width: 28px; text-align: right;
}

/* ── Innovationspark Timeline ─────────────────────────────────────────── */
.ipk-timeline-wrap {
  padding: 5px 0 6px 22px;
}
.ipk-legend {
  display: flex; flex-direction: column; gap: 3px;
  margin-bottom: 6px;
}
.ipk-legend-item {
  display: flex; align-items: center; gap: 5px;
  font-size: .72rem; color: #555;
}
.ipk-legend-dot {
  width: 10px; height: 10px; border-radius: 2px; flex-shrink: 0;
}
.ipk-slider-row {
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 4px;
}
.ipk-year-display {
  font-size: .85rem; font-weight: 700; color: var(--green);
  min-width: 34px;
}
.ipk-slider {
  flex: 1; accent-color: var(--green); cursor: pointer;
  height: 3px; min-width: 0;
}
.ipk-play-btn {
  background: var(--green); color: #fff;
  border: none; border-radius: 4px;
  padding: 3px 8px; font-size: .75rem; cursor: pointer;
  flex-shrink: 0;
}
.ipk-play-btn:hover { background: #245a42; }
.ipk-stats {
  font-size: .72rem; color: var(--mu);
  min-height: 1.1em;
}

/* ── Sidebar status bar ───────────────────────────────────────────────── */
.sidebar-status {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  padding: 8px 13px 10px;
  font-size: .7rem; color: var(--mu); line-height: 1.4;
}
.status-sep { color: var(--gl); }
.status-admin { color: var(--green); text-decoration: none; }
.status-admin:hover { text-decoration: underline; }


/* ── Map container ────────────────────────────────────────────────────── */
#map { flex: 1; position: relative; }

/* ── Loading overlay ──────────────────────────────────────────────────── */
#ld {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: #fff; padding: 14px 22px;
  border-radius: 8px; box-shadow: 0 4px 20px rgba(0,0,0,.15);
  z-index: 1000; text-align: center;
}
.spinner {
  width: 22px; height: 22px;
  border: 3px solid #eee; border-top-color: var(--green);
  border-radius: 50%; animation: spin .7s linear infinite;
  margin: 0 auto 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }
#ld p { font-size: .84rem; color: #555; }

/* ── Floating legend (Karte) ──────────────────────────────────────────── */
#map-legend {
  position: absolute; bottom: 28px; right: 10px;
  z-index: 900; background: rgba(255,255,255,.95);
  border-radius: 6px; box-shadow: 0 2px 8px rgba(0,0,0,.15);
  padding: 8px 10px; font-size: .71rem; color: var(--tx);
  min-width: 140px; display: none;
}
#map-legend.visible { display: block; }
#map-legend .leg-title { font-weight: 700; margin-bottom: 5px; font-size: .7rem; color: var(--mu); text-transform: uppercase; }
.leg-row { display: flex; align-items: center; gap: 6px; margin-bottom: 3px; }
.leg-bar {
  width: 40px; height: 8px; border-radius: 2px;
  background: linear-gradient(90deg, #00b300, #ffff00, #ff6600, #cc0000);
}

/* ── Popup styles ─────────────────────────────────────────────────────── */
.leaflet-popup-content { font-size: .82rem; line-height: 1.5; min-width: 130px; }
.pu-icon  { font-size: 1.2rem; margin-bottom: 3px; }
.pu-name  { font-weight: 600; font-size: .88rem; }
.pu-type  { color: var(--mu); font-size: .73rem; }
.pu-addr  { color: #666; font-size: .73rem; margin-top: 2px; }

/* ── WMS Info-Popup ───────────────────────────────────────────────────── */
.wms-info-popup .leaflet-popup-content { min-width: 200px; max-width: 300px; }
.wms-info-popup .pu-type { max-width: 290px; white-space: normal; }

/* ── Strassensuche ────────────────────────────────────────────────────── */
#search-wrap {
  display: flex; align-items: center; gap: 0;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 5px; overflow: hidden;
  flex-shrink: 1; max-width: 300px;
}
#search-input {
  background: transparent; border: none; outline: none;
  color: #fff; font-size: .79rem; padding: 4px 9px;
  width: 240px; min-width: 0;
}
#search-input::placeholder { color: rgba(255,255,255,.55); }
#search-btn {
  background: rgba(255,255,255,.2); border: none;
  color: #fff; padding: 4px 8px; cursor: pointer;
  font-size: .85rem; flex-shrink: 0;
}
#search-btn:hover    { background: rgba(255,255,255,.35); }
#search-btn:disabled { opacity: .5; cursor: default; }

/* ── Layer ℹ-Button & Beschreibung ───────────────────────────────────── */
.li-info-btn {
  background: none; border: none; cursor: pointer;
  font-size: .72rem; color: var(--mu); padding: 0 2px;
  flex-shrink: 0; line-height: 1;
}
.li-info-btn:hover { color: var(--green); }
.li-info-desc {
  font-size: .75rem; color: #555; line-height: 1.5;
  padding: 5px 8px 6px 30px;
  background: #f8fff8;
  border-left: 2px solid var(--gl);
  margin-bottom: 4px;
}
.li-info-src {
  margin-top: 4px; font-size: .68rem; color: var(--mu);
  font-style: italic;
}

/* ── Header-Buttons (share, print) ───────────────────────────────────── */
button.badge { background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.25);
  cursor: pointer; font-family: inherit; }
button.badge:hover { background: rgba(255,255,255,.28); }
button.badge:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.badge-update { background: #e65100 !important; border-color: #bf360c !important; animation: pulse 2s infinite; }

/* ── Focus-visible ────────────────────────────────────────────────── */
.lgt:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.li-info-btn:focus-visible { outline: 1px solid var(--green); outline-offset: 1px; border-radius: 2px; }
#search-btn:focus-visible { outline: 2px solid #fff; outline-offset: 1px; }
#sb-toggle:focus-visible  { outline: 2px solid var(--green); outline-offset: 2px; }

/* ── Reduced motion ───────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .dot, .badge-update { animation: none !important; }
  .spinner { animation: none !important; border-top-color: var(--green); }
  .toast   { transition: none !important; }
}

/* ── Toast-Benachrichtigung ───────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(12px);
  background: #333; color: #fff;
  padding: 9px 18px; border-radius: 6px;
  font-size: .82rem; z-index: 10000;
  opacity: 0; transition: opacity .25s, transform .25s;
  pointer-events: none; max-width: 90vw; text-align: center;
}
.toast.toast-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Counter "…" pulsiert während Laden */
.li-ct:not(:empty) { transition: background .2s; }

/* ── Print ────────────────────────────────────────────────────────────── */
@media print {
  #hd, #sb { display: none !important; }
  #lay { height: 100vh; }
  #map { height: 100vh; width: 100vw; }
  .leaflet-control-zoom { display: none; }
}

/* ── Mobile ───────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  #sb  { position: absolute; bottom: 0; left: 0; right: 0; width: 100%; z-index: 400; max-height: 40vh; border-right: none; border-top: 2px solid var(--bd); transition: max-height .25s ease; }
  #sb.sb-collapsed { max-height: 36px; overflow: hidden; }
  #lay { flex-direction: column; }
  #map { height: 60vh; }
  #sb-toggle {
    display: flex !important; align-items: center; justify-content: center;
    width: 100%; height: 36px; background: var(--bg);
    border: none; border-bottom: 1px solid var(--bd);
    font-size: .75rem; font-weight: 600; color: var(--tx);
    cursor: pointer; flex-shrink: 0;
  }
  #sb-toggle:hover { background: var(--bd); }
}

/* ── Share-Modal ──────────────────────────────────────────────────────── */
.share-overlay {
  position: fixed; inset: 0; z-index: 20000;
  background: rgba(0,0,0,.45); display: flex;
  align-items: center; justify-content: center;
}
.share-modal {
  background: #fff; border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,.25);
  padding: 16px; width: 310px; max-width: 95vw;
}
.share-hdr {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.share-hdr strong { font-size: .88rem; }
.share-close {
  background: none; border: none; cursor: pointer;
  font-size: 1.2rem; color: var(--mu); line-height: 1; padding: 0 2px;
}
.share-close:hover { color: var(--tx); }
.share-thumb-wrap {
  width: 100%; height: 160px; border-radius: 6px;
  background: #eee; margin-bottom: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; color: var(--mu); overflow: hidden;
}
.share-url-row { display: flex; gap: 6px; }
.share-url-input {
  flex: 1; font-size: .73rem; padding: 5px 8px;
  border: 1px solid var(--bd); border-radius: 4px;
  background: var(--bg); color: var(--tx);
  outline: none; min-width: 0;
}
.share-copy-btn {
  background: var(--green); color: #fff; border: none;
  border-radius: 4px; padding: 5px 10px;
  font-size: .75rem; cursor: pointer; flex-shrink: 0;
}
.share-copy-btn:hover { background: #245a42; }

/* ── Dark Mode ────────────────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --green: #52b788;
    --gl:    #74c69d;
    --bg:    #1c1c1c;
    --bd:    #383838;
    --tx:    #ddd;
    --mu:    #aaa; /* helleres --mu im Dark Mode für mind. 4.5:1 auf #1c1c1c */
  }
  body { background: var(--bg); }
  #hd  { background: #1b4332; }
  #sb  { background: #222; border-color: var(--bd); }
  .sec { border-color: var(--bd); }
  .sc  { background: #2a2a2a; }
  .sc .v { color: var(--green); }
  .ins { background: #1a2e22; color: #b7e4c7; border-color: var(--gl); }
  #chart-wrap { background: #2a2a2a; }
  .lgt { color: #aaa; border-color: #555; }
  .lgt { border-color: var(--bd); border-left-color: var(--grp-color, #555); }
  .li-lb, .li-info-btn { color: var(--tx); }
  .li-info-desc { background: #1e2d1e; color: #ccc; border-color: var(--gl); }
  .li-info-src  { color: #777; }
  #map-legend { background: rgba(28,28,28,.96); color: var(--tx); }
  /* Leaflet */
  .leaflet-popup-content-wrapper { background: #282828; color: var(--tx); box-shadow: 0 3px 14px rgba(0,0,0,.5); }
  .leaflet-popup-tip { background: #282828; }
  .leaflet-bar a { background: #282828; color: var(--tx); border-color: #444; }
  .leaflet-bar a:hover { background: #333; }
  /* Share-Modal */
  .share-modal { background: #242424; color: var(--tx); }
  .share-thumb-wrap { background: #333; }
  .share-url-input { background: #333; border-color: #555; color: var(--tx); }
  /* Toast */
  .toast { background: #e8e8e8; color: #111; }
  /* Layer-Suche */
  .layer-search-input { background: #2a2a2a; border-color: #444; color: var(--tx); }
  /* Zeitstrahl */
  .unfall-year-row { color: #aaa; }
}