:root {
  --nv-bg: #0d1117;
  --nv-bg2: #161b26;
  --nv-bg3: #1d2430;
  --nv-border: #2a3346;
  --nv-text: #e6edf3;
  --nv-muted: #8b97a8;
  --nv-accent: #4f72ff;
}

.nivtec-app { position: absolute; inset: 0; display: flex; flex-direction: column; color: var(--nv-text); background: var(--nv-bg); font-size: 13px; }
.nivtec-app .nv-loading, .nivtec-app .nivtec-loading { padding: 40px; color: var(--nv-muted); }

/* Top bar */
.nv-top { display: flex; flex-direction: column; gap: 7px; padding: 8px 14px; background: var(--nv-bg2); border-bottom: 1px solid var(--nv-border); }
.nv-toprow { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.nv-title { display: flex; align-items: center; gap: 8px; }
.nv-logo { color: var(--nv-accent); font-size: 18px; }
.nv-brand { margin-left: auto; display: flex; align-items: center; gap: 8px; padding-left: 6px; }
.nv-brand-mark { display: block; filter: drop-shadow(0 1px 2px rgba(0,0,0,.4)); }
.nv-brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.nv-brand-text b { font-size: 14px; font-weight: 800; letter-spacing: .02em; color: var(--nv-text); }
.nv-brand-text span { font-size: 9px; text-transform: uppercase; letter-spacing: .08em; color: var(--nv-accent); }
.nv-brand-ver { align-self: flex-end; font-size: 10px; font-weight: 700; color: var(--nv-muted); background: var(--nv-panel, #1b2333); border: 1px solid var(--nv-border); border-radius: 5px; padding: 1px 5px; line-height: 1.3; }
.nv-name { background: var(--nv-bg3); border: 1px solid var(--nv-border); border-radius: 6px; color: var(--nv-text); padding: 5px 9px; font-size: 14px; font-weight: 600; min-width: 180px; }
.nv-actions { display: flex; align-items: center; gap: 6px; margin-left: auto; flex-wrap: wrap; }
.nv-sep { width: 1px; height: 20px; background: var(--nv-border); margin: 0 4px; }
.nv-topctl { display: flex; align-items: center; gap: 12px; }
.nv-grp { display: flex; align-items: center; gap: 5px; background: var(--nv-bg3); border: 1px solid var(--nv-border); border-radius: 8px; padding: 3px 7px; }
.nv-grp-lbl { font-size: 9px; text-transform: uppercase; letter-spacing: .05em; color: var(--nv-muted); font-weight: 700; margin-right: 2px; align-self: stretch; display: flex; align-items: center; border-right: 1px solid var(--nv-border); padding-right: 6px; }
.nv-grp-right { margin-left: auto; }
.nv-grp .nv-btn { padding: 5px 8px; }
.nv-grp .nv-tc input[type=number] { width: 42px; background: var(--nv-bg2); border: 1px solid var(--nv-border); color: var(--nv-text); border-radius: 5px; padding: 4px 5px; font-size: 12px; }
.nv-tc { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--nv-muted); }
.nv-tc select { background: var(--nv-bg3); border: 1px solid var(--nv-border); color: var(--nv-text); border-radius: 6px; padding: 5px 7px; font-size: 12px; font-weight: 600; }
.nv-tc select:focus, .nv-tc input:focus { border-color: var(--nv-accent); outline: none; }
.nv-subbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 6px 14px; background: var(--nv-bg2); border-bottom: 1px solid var(--nv-border); }
.nv-railbar { background: #13241b; border-bottom: 1px solid #22c55e66; }
.nv-railbar .nv-sub-label { color: #bbf7d0; }
.nv-railbar .nv-btn { margin-left: auto; background: #14532d; border-color: #22c55e; color: #eafff1; }
.nv-railbar .nv-btn:hover { background: #1a6a3a; }
.nv-subbar .nv-tc input { width: 56px; background: var(--nv-bg3); border: 1px solid var(--nv-border); color: var(--nv-text); border-radius: 5px; padding: 4px 6px; font-size: 12px; }
.nv-sub-label { font-size: 12px; color: var(--nv-text); font-weight: 600; }
.nv-sub-hint { font-size: 11px; color: var(--nv-muted); }
.nv-btn { background: var(--nv-bg3); border: 1px solid var(--nv-border); color: var(--nv-text); border-radius: 6px; padding: 6px 10px; cursor: pointer; font-size: 12px; }
.nv-btn:hover { border-color: var(--nv-accent); }
.nv-btn.is-on { background: var(--nv-accent); border-color: var(--nv-accent); color: #fff; }
.nv-btn-danger { color: #fca5a5; }
.nv-btn-danger:hover { border-color: #ef4444; }

/* Body */
.nv-body { flex: 1; display: flex; min-height: 0; }
.nv-palette { width: 210px; background: var(--nv-bg2); border-right: 1px solid var(--nv-border); padding: 12px; overflow-y: auto; }
.nv-side { width: 364px; background: var(--nv-bg2); border-left: 1px solid var(--nv-border); padding: 12px; overflow-y: auto; }
.nv-canvas-wrap { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.nv-canvas-scroll { flex: 1; overflow: auto; padding: 16px; background: var(--nv-bg); }
.nv-canvas-scroll.is-3d { padding: 0; overflow: hidden; }
.nv-hint { padding: 6px 14px; font-size: 11px; color: var(--nv-muted); background: var(--nv-bg2); border-top: 1px solid var(--nv-border); }

/* Palette */
.nv-pal-head { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--nv-muted); margin: 14px 0 8px; font-weight: 700; }
.nv-pal-head:first-child { margin-top: 0; }
.nv-pal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.nv-pal { background: var(--nv-bg3); border: 1px solid var(--nv-border); border-radius: 8px; padding: 8px 6px; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 5px; color: var(--nv-text); }
.nv-pal:hover { border-color: var(--nv-accent); }
.nv-pal.is-sel { border-color: var(--nv-accent); background: #1c2740; box-shadow: 0 0 0 1px var(--nv-accent) inset; }
.nv-pal.is-disabled { opacity: .45; cursor: not-allowed; }
.nv-pal-shape { width: 70%; max-width: 56px; background: #33415c; border: 1px solid #4f72ff66; border-radius: 3px; }
.nv-pal-label { font-size: 12px; font-weight: 600; }
.nv-pal-art { font-size: 10px; color: var(--nv-muted); }
.nv-pal-soon { opacity: .5; }
.nv-soon { font-size: 9px; background: #3a2a10; color: #f59e0b; border-radius: 8px; padding: 1px 6px; margin-left: 4px; vertical-align: middle; }

.nv-field { margin: 8px 0; }
.nv-field label { display: block; font-size: 11px; color: var(--nv-muted); margin-bottom: 4px; }
.nv-field select, .nv-field input { width: 100%; background: var(--nv-bg3); border: 1px solid var(--nv-border); color: var(--nv-text); border-radius: 6px; padding: 6px 8px; }
.nv-field-hint { font-size: 10px; color: var(--nv-muted); margin-top: 4px; }
.nv-check { display: flex; align-items: center; gap: 8px; font-size: 12px; margin: 12px 0; cursor: pointer; }
.nv-body.is-focus .nv-palette, .nv-body.is-focus .nv-side { display: none; }
.nv-gen { background: var(--nv-bg3); border: 1px solid var(--nv-border); border-radius: 8px; padding: 9px; }
.nv-gen-row { display: flex; align-items: center; gap: 5px; margin-bottom: 7px; }
.nv-gen-row label { font-size: 11px; color: var(--nv-muted); }
.nv-gen-row input, .nv-gen-row select { background: var(--nv-bg2); border: 1px solid var(--nv-border); color: var(--nv-text); border-radius: 6px; padding: 5px 6px; width: 100%; min-width: 0; }
.nv-gen-row .nv-unit { font-size: 11px; color: var(--nv-muted); }
.nv-ground-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 8px; }
.nv-ground-grid .nv-gr { background: var(--nv-bg2); border: 1px solid var(--nv-border); color: var(--nv-text); border-radius: 6px; padding: 5px 6px; width: 100%; }
.nv-ground-grid .nv-gr:focus { border-color: #38bdf8; outline: none; }

/* Side / BOM */
.nv-card { background: var(--nv-bg3); border: 1px solid var(--nv-border); border-radius: 10px; padding: 12px; margin-bottom: 12px; }
.nv-card-h { font-size: 12px; font-weight: 700; margin-bottom: 8px; }
.nv-kpi { display: flex; justify-content: space-between; padding: 4px 0; border-bottom: 1px solid var(--nv-border); font-size: 13px; }
.nv-kpi:last-child { border-bottom: none; }
.nv-kpi span { color: var(--nv-muted); }
.nv-note { font-size: 11px; color: #f5b97a; background: #2a210f; border-radius: 6px; padding: 8px; margin-top: 8px; }
.nv-muted { color: var(--nv-muted); font-weight: 400; }
.nv-sel-card { border-color: var(--nv-accent); }
.nv-sel-row { font-size: 13px; margin-bottom: 6px; }
.nv-sel-actions { display: flex; gap: 8px; margin-top: 8px; }

.nv-bom { width: 100%; border-collapse: collapse; font-size: 12px; }
.nv-bom th { text-align: left; color: var(--nv-muted); font-weight: 600; font-size: 10px; text-transform: uppercase; padding: 4px 6px; border-bottom: 1px solid var(--nv-border); }
.nv-bom td { padding: 5px 6px; border-bottom: 1px solid #20283600; border-bottom: 1px solid #202836; }
.nv-bom .nv-art { color: var(--nv-muted); font-family: monospace; font-size: 11px; }
.nv-bom .nv-qty { text-align: right; font-weight: 700; }
.nv-bom-row { display: flex; align-items: center; gap: 9px; }
.nv-bom-ic { flex: 0 0 34px; width: 34px; height: 26px; opacity: .95; }
.nv-bom-ic svg { width: 30px; height: 22px; }
.nv-bom-ic .nv-ic-photo { width: 34px; height: 26px; object-fit: contain; background: #fff; border-radius: 4px; padding: 1px; box-sizing: border-box; box-shadow: 0 0 0 1px #ffffff18; }
.nv-flag { font-size: 10px; }
.nv-flag.ok { color: #34d399; }
.nv-flag.est { color: #f59e0b; }
.nv-empty { color: var(--nv-muted); text-align: center; padding: 16px; }

/* SVG items */
.nv-itxt { fill: #e6edf3; font-size: 11px; font-family: inherit; pointer-events: none; }
.nv-itxt-sm { fill: #aab4c5; font-size: 9px; }
.nv-item { cursor: grab; }
.nv-item:active { cursor: grabbing; }

/* Overlay / modal */
.nv-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: flex; align-items: center; justify-content: center; z-index: 10000; }
.nv-modal { background: var(--nv-bg2); border: 1px solid var(--nv-border); border-radius: 12px; width: 460px; max-width: 92vw; max-height: 80vh; display: flex; flex-direction: column; }
.nv-modal-h { padding: 14px 16px; font-weight: 700; border-bottom: 1px solid var(--nv-border); }
.nv-modal-body { padding: 10px 16px; overflow-y: auto; }
.nv-modal-foot { padding: 12px 16px; border-top: 1px solid var(--nv-border); text-align: right; }
.nv-load-row { display: flex; align-items: center; gap: 10px; padding: 9px 6px; border-bottom: 1px solid var(--nv-border); cursor: pointer; }
.nv-load-row:hover { background: var(--nv-bg3); }
.nv-load-row > span:first-child { flex: 1; font-weight: 600; }

.nv-flash { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: #1f9d55; color: #fff; padding: 10px 18px; border-radius: 8px; z-index: 10001; font-size: 13px; }
.nv-flash.err { background: #c0392b; }

/* Aufbau-Reihenfolge / Startpodest */
.nv-badge-txt { fill: #fff; font-size: 11px; font-weight: 700; pointer-events: none; }
.nv-start-txt { fill: #f59e0b; font-size: 9px; font-weight: 800; letter-spacing: .03em; pointer-events: none; }
.nv-sel-asm { display: flex; gap: 6px; flex-wrap: wrap; margin: 6px 0 4px; }
.nv-chip { font-size: 11px; background: #1c2740; border: 1px solid #4f72ff66; color: #cdd7e6; border-radius: 12px; padding: 2px 9px; }
.nv-chip.is-start { background: #3a2a10; border-color: #f59e0b; color: #f5b97a; font-weight: 700; }
.nv-chip-foot { background: #2a210f; border-color: #f59e0b55; color: #f5b97a; }

.nv-badge-txt.on-start { fill: #1a1206; }

/* Aufbau-Nummer zentriert über der Podestgröße */
.nv-num { fill: #cdd7e6; font-size: 12px; font-weight: 800; pointer-events: none; }
.nv-num.on-start { fill: #f5b97a; }

/* Treppen & Zubehör */
.nv-stair-head { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--nv-muted); font-weight: 700; margin: 12px 0 4px; padding-top: 8px; border-top: 1px solid var(--nv-border); }
.nv-bom-meta { font-size: 11px; color: var(--nv-muted); margin: 2px 0 8px; }
.nv-stair-row { padding: 6px 0; }
.nv-stair-top { font-size: 12px; margin-bottom: 6px; }
.nv-stair-ctrls { display: flex; gap: 6px; align-items: center; }
.nv-stair-ctrls select { flex: 1; background: var(--nv-bg3); border: 1px solid var(--nv-border); color: var(--nv-text); border-radius: 6px; padding: 4px 6px; font-size: 12px; }
.nv-stair-ctrls .nv-btn { padding: 4px 8px; }
.nv-acc-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 5px 0; font-size: 12px; }
.nv-acc-row input { width: 64px; background: var(--nv-bg3); border: 1px solid var(--nv-border); color: var(--nv-text); border-radius: 6px; padding: 4px 6px; }

/* ── Responsive: Smartphone / schmale Tablets ─────────────────────────────── */
@media (max-width: 820px) {
  /* Seite vertikal scrollbar, KEIN horizontales Scrollen – alles bricht um */
  html, body { overflow-x: hidden; overflow-y: auto; height: auto; min-height: 100%; }
  .nivtec-app { position: static; inset: auto; min-height: 100vh; max-width: 100%; }
  .nv-toprow, .nv-toprow > *, .nv-grp, .nv-grp > *, .nv-body, .nv-body > * { min-width: 0; }   /* Flex-Kinder dürfen schrumpfen statt zu überlaufen */

  /* Header: alles umbricht statt seitlich zu scrollen */
  .nv-top { gap: 5px; padding: 6px 8px; }
  .nv-toprow { gap: 6px; flex-wrap: wrap; }
  .nv-name { min-width: 0; flex: 1 1 120px; font-size: 13px; }
  .nv-grp { padding: 4px 7px; gap: 5px; flex-wrap: wrap; }
  /* Gruppen-Name bleibt sichtbar: eigene Zeile oben über den Buttons */
  .nv-grp-lbl { flex: 0 0 100%; align-self: auto; font-size: 9px; border-right: none; border-bottom: 1px solid var(--nv-border); margin-right: 0; padding: 0 0 3px; }
  .nv-grp .nv-btn { padding: 6px 8px; }
  .nv-grp .nv-tc input[type=number] { width: 40px; }
  .nv-grp .nv-tc select { max-width: 44vw; }
  .nv-brand { display: none; }

  /* Body von 3 Spalten auf gestapelt: Palette · Canvas · Eigenschaften/Liste */
  .nv-body { flex-direction: column; min-height: 0; }
  .nv-palette { width: auto; border-right: none; border-bottom: 1px solid var(--nv-border); padding: 8px 10px; }
  /* Palette stapelt in Reihen (kein horizontaler Strip) */
  .nv-pal-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(78px, 1fr)); gap: 8px; }
  .nv-pal { width: auto; }
  .nv-canvas-wrap { min-height: 0; }
  .nv-canvas-scroll { height: 58vh; }
  .nv-canvas-scroll.is-3d { height: 58vh; }
  .nv-side { width: auto; border-left: none; border-top: 1px solid var(--nv-border); }
  .nv-side .nv-card, .nv-palette .nv-gen { max-width: 100%; }

  /* Touch: größere Klickflächen für Buttons */
  .nv-btn { padding: 8px 11px; }
}

/* Sehr schmale Smartphones */
@media (max-width: 480px) {
  .nv-canvas-scroll, .nv-canvas-scroll.is-3d { height: 50vh; }
  .nv-name { font-size: 12px; }
  .nv-hint { font-size: 10px; }
}

/* ── Touch-Geräte: Gesten + größere Tap-Ziele ─────────────────────────────── */
/* Standard: Canvas fängt Gesten ab (Desktop nutzt Maus – touch-action betrifft nur Touch). */
.nv-canvas-scroll, #nv-svg, #nv-svg3d { touch-action: none; }
/* 2D auf Touch: auf der LEEREN Fläche darf die Seite vertikal gescrollt werden
   (Wisch nach oben/unten = Scrollen). Podeste behalten volle Geste (Verschieben in
   jede Richtung). 3D bleibt voll fürs Drehen. */
.is-touch .nv-canvas-scroll:not(.is-3d), .is-touch #nv-svg { touch-action: pan-y; }
.is-touch #nv-svg .nv-item { touch-action: none; }
.is-touch .nv-btn { padding: 9px 12px; }
.is-touch .nv-pal { padding: 11px 6px; }
.is-touch .nv-tc select, .is-touch .nv-tc input { padding: 7px 8px; }
.is-touch .nv-stair-ctrls select, .is-touch .nv-bom td { padding-top: 7px; padding-bottom: 7px; }