:root {
  --bg: #10151c;
  --panel: #171e27;
  --panel2: #1d2733;
  --border: #2a3644;
  --text: #dbe4ee;
  --muted: #8296ab;
  --accent: #4fc3f7;
  --conv: #e8c15a;
  --rnav: #4fc3f7;
  --changed: #ff8f3d;
  --custom: #b388ff;
  --danger: #ef5350;
  --star: #f06292;
  --sid: #66bb6a;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden;
  font: 13px/1.45 -apple-system, "Segoe UI", sans-serif;
  background: var(--bg); color: var(--text); }

#topbar {
  position: fixed; top: 0; left: 0; right: 0; height: 46px; z-index: 30;
  display: flex; align-items: center; gap: 14px; padding: 0 12px;
  background: var(--panel); border-bottom: 1px solid var(--border);
}
#brand { font-weight: 700; font-size: 15px; letter-spacing: .5px; }
#brand span { color: var(--accent); font-weight: 400; }

#modes { display: flex; gap: 4px; }
button {
  background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 10px; cursor: pointer; font-size: 12px;
}
button:hover { border-color: var(--accent); }
button.mode.active { background: var(--accent); color: #06222f; border-color: var(--accent); font-weight: 600; }

#flfilter { display: flex; align-items: center; gap: 6px; }
#flfilter label { color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
#flfilter input[type=range] { width: 90px; accent-color: var(--accent); }
.preset { padding: 4px 7px; font-size: 11px; }

#color-mode { display: flex; gap: 2px; }
#color-mode .cmode { padding: 4px 8px; font-size: 11px; }
#color-mode .cmode.active { background: var(--accent); color: #06222f; border-color: var(--accent); font-weight: 600; }
#layer-toggles { display: flex; gap: 8px; color: var(--muted); }
#layer-toggles label { display: flex; align-items: center; gap: 3px; cursor: pointer; }

#status { margin-left: auto; display: flex; align-items: center; gap: 8px; }
#save-status { color: #66bb6a; font-size: 12px; }
#save-status.saving { color: var(--muted); }
#save-status.error { color: var(--danger); }
#btn-reset { color: var(--danger); }
#change-count { color: var(--changed); }

#sidebar {
  position: fixed; top: 46px; left: 0; bottom: 0; width: 240px; z-index: 20;
  background: var(--panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
}
#sidebar-tabs { display: flex; gap: 4px; padding: 8px 8px 0; }
#sidebar-tabs .tab { flex: 1; }
#sidebar-tabs .tab.active { background: var(--accent); color: #06222f; border-color: var(--accent); font-weight: 600; }
#proc-actions { display: flex; align-items: center; gap: 4px; padding: 0 8px 6px; }
#proc-actions button { padding: 3px 7px; font-size: 11px; }
#pr-count { margin-left: auto; color: var(--muted); font-size: 11px; }
#proc-list { overflow-y: auto; flex: 1; padding: 4px 0 20px; }
/* Açılır-kapanır bölümler (iki kademe: meydan → grup → usul) */
.sec { border-bottom: 1px solid rgba(42,54,68,.6); }
.sec-head {
  display: flex; align-items: center; gap: 6px; cursor: pointer;
  padding: 6px 10px; user-select: none;
}
.sec-head:hover { background: var(--panel2); }
.sec-head .caret { width: 9px; color: var(--muted); font-size: 9px;
  transition: transform .12s; }
.sec-head.closed .caret { transform: rotate(-90deg); }
.sec-head .sec-name { font-weight: 600; }
.sec-head .sec-count { margin-left: auto; color: var(--muted); font-size: 11px; }
.sec-1 > .sec-head { font-size: 12px; letter-spacing: .4px;
  position: sticky; top: 0; background: var(--panel); z-index: 2; }
.sec-1 > .sec-head .sec-name { color: var(--text); }
.sec-2 > .sec-head { padding-left: 20px; font-size: 11.5px; }
.sec-2 > .sec-head .sec-name { font-weight: 600; letter-spacing: .4px; }
.sec-3 > .sec-head { padding-left: 34px; font-size: 11px; }
.sec-3 > .sec-head .sec-name { color: var(--muted); font-weight: 500;
  text-transform: uppercase; letter-spacing: .6px; }
.sec-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.sec-body.closed { display: none; }
.sec-2 .proc-chart, .sec-2 .route-item { padding-left: 30px; }
.sec-3 .proc-chart { padding-left: 44px; }

.proc-airport { padding: 6px 10px; font-size: 11px; text-transform: uppercase;
  letter-spacing: 1px; color: var(--muted); position: sticky; top: 0; background: var(--panel); }
.proc-chart { padding: 3px 10px; display: flex; align-items: flex-start; gap: 6px; cursor: pointer; }
.proc-chart:hover { background: var(--panel2); }
.proc-chart input { margin-top: 3px; }
.proc-chart .pc-name { font-weight: 600; font-size: 12px; }
.proc-chart.star .pc-name { color: var(--star); }
.proc-chart.sid .pc-name { color: var(--sid); }
.proc-chart .pc-procs { color: var(--muted); font-size: 10.5px; line-height: 1.3; }
.proc-chart.traced .pc-name { opacity: .75; font-weight: 500; font-size: 11px; }
#search {
  margin: 8px; padding: 7px 9px; background: var(--panel2); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); outline: none;
}
#search:focus { border-color: var(--accent); }
#route-actions { display: flex; align-items: center; gap: 4px; padding: 0 8px 6px; }
#route-actions button { padding: 3px 6px; font-size: 11px; }
#rt-count { margin-left: auto; color: var(--muted); font-size: 11px; }
#route-list { overflow-y: auto; flex: 1; padding-bottom: 20px; }
.group-head {
  padding: 6px 10px; font-size: 11px; text-transform: uppercase; letter-spacing: 1px;
  color: var(--muted); position: sticky; top: 0; background: var(--panel);
}
.route-item {
  padding: 4px 12px 4px 8px; cursor: pointer; display: flex; align-items: center;
  gap: 6px; border-left: 3px solid transparent;
}
.route-item .meta { margin-left: auto; }
.route-item.hidden-route .desig, .route-item.hidden-route .meta { opacity: .38; }
.group-head label { display: flex; align-items: center; gap: 5px; cursor: pointer; }
.route-item:hover { background: var(--panel2); }
.route-item.selected { background: var(--panel2); border-left-color: var(--accent); }
.route-item .desig { font-weight: 600; }
.route-item.conv .desig { color: var(--conv); }
.route-item.rnav .desig { color: var(--rnav); }
.route-item.changed .desig::after { content: " ●"; color: var(--changed); font-size: 9px; vertical-align: 2px; }
.route-item .meta { color: var(--muted); font-size: 11px; }
.wp-item { padding: 4px 12px; cursor: pointer; }
.wp-item:hover { background: var(--panel2); }

#map { position: fixed; top: 46px; left: 240px; right: 0; bottom: 0; }

#inspector {
  position: fixed; top: 56px; right: 10px; width: 300px; max-height: calc(100% - 76px);
  overflow-y: auto; z-index: 25; background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; box-shadow: 0 6px 24px rgba(0,0,0,.5); padding: 12px;
}
#inspector h3 { margin: 0 0 4px; font-size: 15px; display: flex; align-items: center; gap: 6px; }
#inspector h3 .close { margin-left: auto; }
#inspector .sub { color: var(--muted); font-size: 11px; margin-bottom: 8px; }
#inspector table { width: 100%; border-collapse: collapse; font-size: 12px; }
#inspector th { text-align: left; color: var(--muted); font-weight: 500; padding: 3px 4px; }
#inspector td { padding: 2px 4px; border-top: 1px solid var(--border); }
#inspector tr.seg-row { cursor: pointer; }
#inspector tr.seg-row:hover td { background: var(--panel2); }
#inspector tr.seg-row.selected td { background: #24384a; }
#inspector input[type=text], #inspector input[type=number], #inspector select {
  width: 100%; background: var(--panel2); border: 1px solid var(--border); color: var(--text);
  border-radius: 5px; padding: 4px 6px; font-size: 12px;
}
#inspector input.fl { width: 52px; text-align: right; }
.dircell { white-space: nowrap; }
.lvl-dir { padding: 1px 5px; font-size: 12px; line-height: 1.3; min-width: 22px; }
.lvl-dir.odd { color: #ff8a50; }
.lvl-dir.even { color: #4dd0e1; }
.field { margin: 6px 0; }
.field label { display: block; color: var(--muted); font-size: 11px; margin-bottom: 2px; }
.row { display: flex; gap: 6px; align-items: center; }
.btnrow { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.btnrow .danger { color: var(--danger); }
.remarks { font-size: 11px; color: var(--muted); margin-top: 8px; max-height: 110px; overflow-y: auto; }

#changes-panel {
  position: fixed; top: 56px; right: 10px; width: 340px; max-height: calc(100% - 76px);
  overflow-y: auto; z-index: 26; background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; box-shadow: 0 6px 24px rgba(0,0,0,.5); padding: 12px;
}
#changes-panel h3 { margin: 0 0 8px; display: flex; justify-content: space-between; }
.change-item {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 5px 0; border-top: 1px solid var(--border); font-size: 12px;
}
.change-item .what { color: var(--changed); }
.change-item button { font-size: 11px; padding: 3px 7px; }

/* Lejant varsayılan gizli: haritayı kapatmasın. "i" düğmesinin üstüne
   gelince (ya da tıklanınca) açılır. */
#legend-wrap { position: fixed; bottom: 34px; left: 252px; z-index: 22; }
#legend-btn {
  width: 24px; height: 24px; border-radius: 50%; cursor: pointer;
  background: rgba(23,30,39,.92); border: 1px solid var(--border);
  color: var(--muted); font: italic 700 13px/1 Georgia, serif;
}
#legend-btn:hover, #legend-wrap.pinned #legend-btn { color: var(--fg); }
#legend {
  position: absolute; bottom: 30px; left: 0;
  background: rgba(23,30,39,.92); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 12px; font-size: 11px; color: var(--muted);
  display: flex; flex-direction: column; gap: 4px; pointer-events: none;
  white-space: nowrap;
  opacity: 0; visibility: hidden; transition: opacity .15s;
}
#legend-wrap:hover #legend, #legend-wrap.pinned #legend {
  opacity: 1; visibility: visible;
}
#legend .sw { display: inline-block; width: 18px; height: 3px; border-radius: 2px;
  vertical-align: middle; margin-right: 5px; }
#legend .sw.dashed { background: none; height: auto; font-weight: 700;
  letter-spacing: -1px; line-height: 1; }
#legend .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  vertical-align: middle; margin-right: 5px; }
#legend .legend-row { display: flex; align-items: center; gap: 2px; }
#legend .legend-row .sw { margin: 0 3px 0 6px; }
#legend .lg { min-width: 30px; }

#error-banner {
  position: fixed; bottom: 0; left: 240px; right: 0; z-index: 40;
  background: #5c1f1f; color: #ffcdd2; padding: 8px 14px; font-size: 13px;
}
#hint-bar {
  position: fixed; bottom: 10px; left: 50%; transform: translateX(-50%); z-index: 24;
  background: rgba(23,30,39,.92); border: 1px solid var(--border); border-radius: 8px;
  padding: 6px 14px; font-size: 12px; color: var(--muted); pointer-events: none;
  opacity: 0; transition: opacity .2s;
}
#hint-bar.show { opacity: 1; }
.hidden { display: none !important; }

.maplibregl-canvas { cursor: default; }
body[data-mode="move"] .maplibregl-canvas { cursor: grab; }
body[data-mode="insert"] .maplibregl-canvas,
body[data-mode="draw"] .maplibregl-canvas,
body[data-mode="fix"] .maplibregl-canvas { cursor: crosshair; }