:root {
  --gruen-dunkel: #3a5430;
  --gruen-mittel: #4d7042;
  --gruen-hell:   #7aab66;
  --gruen-bg:     #eef4eb;
  --orange:       #e07a3a;
  --orange-hell:  #f0a070;
  --sidebar-bg:   #2b3e26;
  --bg:           #f2f6f0;
  --bg-card:      #ffffff;
  --text:         #1e2a1a;
  --text-muted:   #5a7050;
  --border:       #d0deca;
  --danger:       #fee2e2;
  --danger-text:  #dc2626;
  --danger-border:#fca5a5;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: 'Nunito', -apple-system, sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px;
  display: flex; flex-direction: column;
}

button { font-family: inherit; cursor: pointer; }
input, select, textarea {
  font-family: inherit; font-size: 13px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 10px; color: var(--text); outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--gruen-mittel); }
label { font-size: 11px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }

.btn-primary {
  background: var(--orange); color: white; border: none;
  border-radius: 6px; padding: 7px 14px; font-weight: 700; font-size: 13px;
}
.btn-primary:hover { background: var(--orange-hell); }
.btn-ghost {
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 12px; font-size: 13px;
}
.btn-ghost:hover { background: var(--gruen-bg); }
.btn-block { width: 100%; margin-top: 10px; }

/* ── Topbar ────────────────────────────────────────────── */
.topbar {
  background: var(--sidebar-bg); color: white; padding: 10px 16px;
  border-bottom: 2px solid var(--gruen-dunkel);
}
.topbar .title {
  font-weight: 700; font-size: 15px; margin-bottom: 8px;
  display: flex; align-items: center; gap: 8px;
}
.topbar .badge {
  background: var(--orange); color: white; font-size: 10px;
  padding: 2px 8px; border-radius: 10px; font-weight: 700;
}
.topbar .layout-row {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  font-size: 13px;
}
.topbar label { color: rgba(255,255,255,.7); margin-left: 8px; }
.topbar input, .topbar select {
  width: 90px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  color: white;
}
.topbar select { width: 200px; }
.topbar input:focus, .topbar select:focus { border-color: var(--gruen-hell); }
.topbar .sep { width: 1px; height: 24px; background: rgba(255,255,255,.2); margin: 0 4px; }
.topbar .hint { font-size: 11px; color: rgba(255,255,255,.6); margin-left: auto; }
.topbar option { background: var(--sidebar-bg); color: white; }

/* ── Main App-Layout ───────────────────────────────────── */
.app {
  display: grid; grid-template-columns: 240px 1fr 280px;
  flex: 1; min-height: 0;
}
.sidebar-left, .sidebar-right {
  background: var(--bg-card); border-right: 1px solid var(--border);
  padding: 14px; overflow-y: auto;
}
.sidebar-right { border-right: none; border-left: 1px solid var(--border); }
.sb-title { font-weight: 700; font-size: 13px; margin-bottom: 2px; }
.sb-sub { font-size: 11px; color: var(--text-muted); margin-bottom: 12px; }

/* ── Regaltyp-Liste in Sidebar ─────────────────────────── */
.regaltyp-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 10px; margin-bottom: 6px; cursor: grab;
  display: flex; align-items: center; gap: 8px;
}
.regaltyp-card:hover { border-color: var(--gruen-mittel); }
.regaltyp-card.dragging { opacity: .4; }
.regaltyp-swatch {
  width: 16px; height: 16px; border-radius: 3px; border: 1px solid rgba(0,0,0,.1);
  flex: 0 0 auto;
}
.regaltyp-info { flex: 1; min-width: 0; }
.regaltyp-info .n { font-weight: 700; font-size: 12px; }
.regaltyp-info .d { font-size: 10px; color: var(--text-muted); }
.regaltyp-edit { font-size: 10px; color: var(--text-muted); cursor: pointer; }
.regaltyp-edit:hover { color: var(--gruen-mittel); }

/* ── Canvas ────────────────────────────────────────────── */
.canvas-wrap {
  background: #e8efe5; padding: 16px; overflow: auto;
  display: flex; align-items: center; justify-content: center;
}
#canvas {
  background: var(--bg-card); border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
  width: 100%; height: 100%; max-width: 100%; max-height: 100%;
}
.grid-line { stroke: #d0deca; stroke-width: .3; }
.grid-line.major { stroke: #b5c8af; stroke-width: .6; }

.regal {
  cursor: grab;
}
.regal.selected .regal-body { stroke: var(--orange); stroke-width: 2; }
.regal-body { stroke: var(--gruen-dunkel); stroke-width: .5; }
.fach { fill: rgba(255,255,255,.4); stroke: rgba(0,0,0,.15); stroke-width: .2; }
.fach.belegt { fill: var(--gruen-bg); }
.fach-label { font-size: 5px; fill: var(--text); text-anchor: middle; dominant-baseline: middle; pointer-events: none; }
.regal-label { font-size: 8px; font-weight: 700; fill: white; text-anchor: middle; dominant-baseline: middle; pointer-events: none; }

/* ── Detail-Panel rechts ───────────────────────────────── */
#detailPanel.empty { color: var(--text-muted); font-size: 12px; padding: 12px 0; }
.det-row { display: flex; flex-direction: column; gap: 3px; margin-bottom: 8px; }
.det-actions { display: flex; gap: 6px; margin-top: 12px; flex-wrap: wrap; }
.det-actions .btn-ghost, .det-actions .btn-primary { flex: 1; }
.det-faecher {
  margin-top: 14px; border-top: 1px solid var(--border); padding-top: 10px;
}
.det-faecher .h { font-weight: 700; font-size: 12px; margin-bottom: 6px; }
.det-fach {
  display: grid; grid-template-columns: 50px 1fr 1fr auto; gap: 4px;
  align-items: center; margin-bottom: 4px; font-size: 12px;
}
.det-fach .pos { color: var(--text-muted); font-weight: 600; font-size: 11px; }
.det-fach input { padding: 4px 7px; font-size: 12px; }

/* ── Korridor: Punkte + Kanten ─────────────────────────── */
.kante-line { stroke: var(--orange); stroke-width: 2; stroke-linecap: round; pointer-events: stroke; cursor: pointer; }
.kante-line.selected { stroke: #dc2626; stroke-width: 3; }
.punkt { cursor: grab; }
.punkt circle { fill: var(--orange); stroke: white; stroke-width: 1.5; }
.punkt.start circle { fill: #f5b400; stroke: var(--gruen-dunkel); stroke-width: 2; }
.punkt.selected circle { fill: #dc2626; }
.punkt.connecting circle { fill: var(--gruen-mittel); }
.punkt-label { font-size: 6px; fill: var(--text); text-anchor: middle; dominant-baseline: middle; pointer-events: none; }
.punkt-star { font-size: 8px; fill: var(--gruen-dunkel); text-anchor: middle; dominant-baseline: middle; pointer-events: none; }

/* Picklisten-Liste */
.pl-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
  padding: 8px 10px; margin-bottom: 5px; font-size: 12px; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 6px;
}
.pl-card:hover { border-color: var(--gruen-mittel); }
.pl-card.active { border-color: var(--orange); background: var(--gruen-bg); }
.pl-card .n { font-weight: 700; }
.pl-card .d { font-size: 10px; color: var(--text-muted); }
.pl-del { color: var(--danger-text); cursor: pointer; padding: 0 4px; font-size: 14px; }

/* Sim-Ergebnis im Detail-Panel */
.sim-kpi { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin: 10px 0; }
.sim-kpi-card {
  background: var(--gruen-bg); border-radius: 6px; padding: 8px 10px; text-align: center;
}
.sim-kpi-card .v { font-size: 18px; font-weight: 700; color: var(--gruen-dunkel); }
.sim-kpi-card .l { font-size: 10px; color: var(--text-muted); text-transform: uppercase; }
.sim-tour-row { display: flex; justify-content: space-between; padding: 4px 0; font-size: 12px; border-bottom: 1px solid var(--border); }
.sim-warn { background: var(--danger); color: var(--danger-text); border: 1px solid var(--danger-border); padding: 6px 10px; border-radius: 6px; font-size: 11px; margin-top: 8px; }

/* ── Modal ─────────────────────────────────────────────── */
.modal-back {
  position: fixed; inset: 0; background: rgba(30,40,25,.5); z-index: 100;
  display: flex; align-items: center; justify-content: center;
}
.modal { background: var(--bg-card); border-radius: 10px; min-width: 360px; max-width: 480px; }
.modal-head {
  padding: 14px 16px; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 700;
}
.modal-body { padding: 14px 16px; }
.modal-body label { display: block; margin-bottom: 2px; margin-top: 8px; }
.modal-body input, .modal-body textarea { width: 100%; }
.modal-foot { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }