/* src/styles.css
 * Legplan-styles. Alles is geïsoleerd onder #sg-legplan-root zodat het
 * WordPress thema niet de tokens of layout overschrijft. Geport uit het
 * prototype index.html. Font (Manrope + JetBrains Mono) wordt door
 * class-plugin.php geënqueued.
 */

#sg-legplan-root {
  --bg: oklch(0.985 0.008 95);
  --bg-panel: oklch(0.995 0.005 95);
  --bg-canvas: oklch(0.965 0.012 95);
  --grid: oklch(0.90 0.008 95);
  --grid-strong: oklch(0.83 0.012 95);
  --ink: oklch(0.20 0.02 150);
  --ink-2: oklch(0.40 0.015 150);
  --ink-3: oklch(0.58 0.012 150);
  --line: oklch(0.90 0.008 95);
  --line-2: oklch(0.82 0.010 95);
  --primary: oklch(0.58 0.14 145);
  --primary-2: oklch(0.50 0.14 145);
  --primary-soft: oklch(0.93 0.04 145);
  --slate: oklch(0.32 0.025 245);
  --slate-2: oklch(0.40 0.025 245);
  --slate-3: oklch(0.50 0.020 245);
  --roof: oklch(0.78 0.05 60);
  --roof-2: oklch(0.65 0.07 60);
  --sel: oklch(0.58 0.18 220);
  --warn: oklch(0.65 0.16 35);
  --shadow-sm: 0 1px 2px rgba(15,20,15,.04), 0 0 0 .5px rgba(15,20,15,.06);
  --shadow: 0 2px 4px rgba(15,20,15,.04), 0 8px 24px rgba(15,20,15,.06), 0 0 0 .5px rgba(15,20,15,.05);
  --r-sm: 6px;
  --r: 10px;
  --r-lg: 14px;

  background: var(--bg);
  color: var(--ink);
  font: 14px/1.4 'Manrope', ui-sans-serif, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
  overflow: hidden;
  contain: layout style;
  border-radius: 12px;
  box-shadow: 0 0 0 1px oklch(0 0 0 / .06), 0 4px 12px oklch(0 0 0 / .04);
}

#sg-legplan-root[data-dark="true"] {
  --bg: oklch(0.18 0.012 150);
  --bg-panel: oklch(0.22 0.012 150);
  --bg-canvas: oklch(0.15 0.010 150);
  --grid: oklch(0.26 0.012 150);
  --grid-strong: oklch(0.32 0.012 150);
  --ink: oklch(0.96 0.008 95);
  --ink-2: oklch(0.78 0.010 95);
  --ink-3: oklch(0.60 0.010 95);
  --line: oklch(0.28 0.010 150);
  --line-2: oklch(0.36 0.010 150);
  --primary: oklch(0.72 0.14 145);
  --primary-2: oklch(0.80 0.14 145);
  --primary-soft: oklch(0.28 0.06 145);
  --shadow-sm: 0 1px 2px rgba(0,0,0,.3), 0 0 0 .5px rgba(255,255,255,.05);
  --shadow: 0 2px 4px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.4), 0 0 0 .5px rgba(255,255,255,.05);
}

#sg-legplan-root *,
#sg-legplan-root *::before,
#sg-legplan-root *::after { box-sizing: border-box }
/* Basis-reset zodat het WP-thema de tool-buttons niet verbouwt (uppercase, schaduw, etc.) */
#sg-legplan-root button { font: inherit; color: inherit; cursor: pointer;
  text-transform: none; letter-spacing: normal; text-shadow: none; box-shadow: none;
  text-align: center; min-width: 0; width: auto }
#sg-legplan-root input { font: inherit }
#sg-legplan-root .mono { font-family: 'JetBrains Mono', ui-monospace, monospace; font-feature-settings: "tnum" }
#sg-legplan-root .tnum { font-variant-numeric: tabular-nums }
#sg-legplan-root .app { display: grid; grid-template-rows: 1fr; height: 100%; min-height: inherit; background: var(--bg) }

/* ───────────── TOPBAR ───────────── */
#sg-legplan-root .topbar { display: flex; align-items: center; gap: 18px; padding: 0 18px;
  border-bottom: 1px solid var(--line); background: var(--bg-panel); z-index: 5 }
#sg-legplan-root .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.01em; font-size: 15px }
#sg-legplan-root .brand-mark { width: 24px; height: 24px; border-radius: 7px;
  background: radial-gradient(circle at 35% 30%, var(--primary), oklch(0.45 0.14 145));
  box-shadow: 0 1px 2px rgba(0,0,0,.1), inset 0 1px 0 rgba(255,255,255,.25);
  position: relative }
#sg-legplan-root .brand-mark::after { content: ""; position: absolute; inset: 0; border-radius: 7px;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,.25) 50%, transparent 60%) }
#sg-legplan-root .brand small { font-weight: 500; color: var(--ink-3); letter-spacing: .04em; text-transform: uppercase; font-size: 10px }
#sg-legplan-root .crumbs { display: flex; align-items: center; gap: 8px; color: var(--ink-3); font-size: 12.5px; font-weight: 500 }
#sg-legplan-root .crumbs .sep { opacity: .5 }
#sg-legplan-root .crumbs input { background: transparent; border: 0; color: var(--ink); font: inherit; font-weight: 600;
  padding: 4px 8px; border-radius: 6px; outline: none; min-width: 160px }
#sg-legplan-root .crumbs input:hover { background: oklch(0 0 0 / 0.03) }
#sg-legplan-root .crumbs input:focus { background: oklch(0 0 0 / 0.05) }
#sg-legplan-root .top-right { margin-left: auto; display: flex; align-items: center; gap: 6px }
#sg-legplan-root .pill-btn { display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; background: transparent; border: 1px solid var(--line-2);
  border-radius: 8px; font-size: 12.5px; font-weight: 500; color: var(--ink-2); cursor: pointer }
#sg-legplan-root .pill-btn:hover { background: oklch(0 0 0 / 0.03); color: var(--ink) }
#sg-legplan-root .pill-btn.primary { background: var(--ink); color: var(--bg); border-color: var(--ink) }
#sg-legplan-root .pill-btn.primary:hover { background: oklch(0.30 0.02 150) }
#sg-legplan-root[data-dark="true"] .pill-btn.primary { background: var(--primary); color: oklch(0.10 0.02 150); border-color: var(--primary) }
#sg-legplan-root .zoom-grp { display: flex; align-items: center; border: 1px solid var(--line-2); border-radius: 8px; overflow: hidden }
#sg-legplan-root .zoom-grp button { background: transparent; border: 0; padding: 7px 10px; color: var(--ink-2); cursor: pointer; font-size: 14px }
#sg-legplan-root .zoom-grp button:hover { background: oklch(0 0 0 / 0.04); color: var(--ink) }
#sg-legplan-root .zoom-grp .z-val { padding: 0 10px; font-size: 11.5px; color: var(--ink-3); min-width: 48px; text-align: center; border-left: 1px solid var(--line); border-right: 1px solid var(--line) }

/* ───────────── MAIN ───────────── */
#sg-legplan-root .main { display: grid; grid-template-columns: 300px 1fr 320px; min-height: 0; height: 100% }
#sg-legplan-root .pane { background: var(--bg-panel); border-right: 1px solid var(--line);
  overflow-y: auto; display: flex; flex-direction: column; min-height: 0 }
#sg-legplan-root .pane.right { border-right: 0; border-left: 1px solid var(--line) }
#sg-legplan-root .pane::-webkit-scrollbar { width: 6px }
#sg-legplan-root .pane::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 3px }
#sg-legplan-root .pane-sect { padding: 18px 18px 16px; border-bottom: 1px solid var(--line) }
#sg-legplan-root .pane-sect:last-child { border-bottom: 0 }
#sg-legplan-root .pane-h { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px }
#sg-legplan-root .pane-h h2 { margin: 0; font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3) }
#sg-legplan-root .pane-h .badge { font-size: 10px; font-weight: 600; letter-spacing: .04em; padding: 2px 6px; border-radius: 4px;
  background: var(--primary-soft); color: var(--primary-2) }

#sg-legplan-root .field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px }
#sg-legplan-root .field:last-child { margin-bottom: 0 }
#sg-legplan-root .field label { font-size: 11.5px; color: var(--ink-3); font-weight: 500; display: flex; justify-content: space-between; align-items: baseline }
#sg-legplan-root .field label .hint { color: var(--ink-3); font-weight: 400; font-size: 10.5px; font-family: 'JetBrains Mono', monospace }
#sg-legplan-root .input,
#sg-legplan-root .select { padding: 8px 10px; border: 1px solid var(--line-2); border-radius: 8px; background: var(--bg);
  color: var(--ink); font: inherit; font-size: 13px; outline: none; width: 100% }
#sg-legplan-root .input:focus,
#sg-legplan-root .select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft) }
#sg-legplan-root .input.mono { font-family: 'JetBrains Mono', monospace; font-size: 12.5px }
#sg-legplan-root .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px }
#sg-legplan-root .row2 .field { margin-bottom: 0 }

/* segmented control */
#sg-legplan-root .seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr;
  padding: 3px; background: var(--bg); border: 1px solid var(--line-2); border-radius: 9px; gap: 2px }
#sg-legplan-root .seg button { padding: 0 12px !important; min-height: 38px; border: 0; background: transparent;
  font-size: 12.5px; font-weight: 600; color: var(--ink-2); border-radius: 7px; cursor: pointer;
  /* !important + width/text-align: thema-proof — overschrijft globale button-stijlen van het WP-thema */
  display: inline-flex !important; align-items: center !important; justify-content: center !important;
  width: 100% !important; margin: 0 !important; float: none !important; min-width: 0 !important;
  text-align: center; gap: 7px; line-height: 1; white-space: nowrap; letter-spacing: .01em; box-sizing: border-box;
  text-transform: none !important }
#sg-legplan-root .seg button svg { width: 16px !important; height: 16px !important; flex: 0 0 16px; display: block }
#sg-legplan-root .seg button:hover { color: var(--ink) }
#sg-legplan-root .seg button[aria-pressed="true"] { background: var(--bg-panel); color: var(--ink);
  box-shadow: 0 1px 2px rgba(0,0,0,.08), 0 0 0 .5px rgba(0,0,0,.06) }
#sg-legplan-root[data-dark="true"] .seg button[aria-pressed="true"] { box-shadow: 0 1px 2px rgba(0,0,0,.3), 0 0 0 .5px rgba(255,255,255,.1) }

#sg-legplan-root .preset-list { display: flex; flex-direction: column; gap: 4px }
#sg-legplan-root .preset { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; cursor: pointer;
  border: 1px solid transparent }
#sg-legplan-root .preset:hover { background: oklch(0 0 0 / 0.03) }
#sg-legplan-root .preset[aria-pressed="true"] { border-color: var(--primary); background: var(--primary-soft) }
#sg-legplan-root[data-dark="true"] .preset[aria-pressed="true"] { background: oklch(0.28 0.06 145 / .5) }
#sg-legplan-root .preset .pv { width: 22px; height: 14px; border-radius: 2px; background: var(--slate);
  box-shadow: inset 0 0 0 .5px rgba(255,255,255,.12); flex-shrink: 0 }
#sg-legplan-root .preset .pn { font-size: 13px; font-weight: 500; flex: 1 }
#sg-legplan-root .preset .pm { font-size: 10.5px; color: var(--ink-3); font-family: 'JetBrains Mono', monospace }

/* stats */
#sg-legplan-root .stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px }
#sg-legplan-root .stat { display: flex; flex-direction: column; gap: 2px; padding: 10px 12px; border-radius: 10px;
  background: var(--bg); border: 1px solid var(--line) }
#sg-legplan-root .stat .v { font-size: 18px; font-weight: 600; letter-spacing: -.01em; color: var(--ink); font-variant-numeric: tabular-nums }
#sg-legplan-root .stat .l { font-size: 10.5px; color: var(--ink-3); text-transform: uppercase; letter-spacing: .06em; font-weight: 500 }
#sg-legplan-root .stat.hero { grid-column: span 2; background: linear-gradient(135deg, var(--primary-soft), transparent 80%); border-color: var(--primary-soft); position: relative; overflow: hidden }
#sg-legplan-root .stat.hero .v { color: var(--primary-2); font-size: 26px }
#sg-legplan-root[data-dark="true"] .stat.hero .v { color: var(--primary) }
#sg-legplan-root .stat.hero::after { content: ""; position: absolute; right: -20px; top: -20px; width: 80px; height: 80px;
  background: radial-gradient(circle, var(--primary) 0%, transparent 65%); opacity: .12; pointer-events: none }

#sg-legplan-root .kv { display: flex; justify-content: space-between; align-items: baseline; padding: 6px 0; font-size: 12.5px }
#sg-legplan-root .kv + .kv { border-top: 1px dashed var(--line) }
#sg-legplan-root .kv .k { color: var(--ink-3) }
#sg-legplan-root .kv .v { color: var(--ink); font-weight: 500; font-variant-numeric: tabular-nums }
#sg-legplan-root .kv .v.mono { font-family: 'JetBrains Mono', monospace; font-size: 12px }

#sg-legplan-root .helper { font-size: 11.5px; line-height: 1.45; color: var(--ink-3); padding: 10px 12px;
  background: var(--bg); border: 1px dashed var(--line-2); border-radius: 8px }
#sg-legplan-root .helper b { color: var(--ink-2); font-weight: 600 }
#sg-legplan-root .key { display: inline-block; padding: 1px 5px; border: 1px solid var(--line-2);
  border-radius: 4px; font-family: 'JetBrains Mono', monospace; font-size: 10.5px;
  background: var(--bg-panel); color: var(--ink-2); margin: 0 1px }

/* ───────────── CANVAS ───────────── */
#sg-legplan-root .canvas-wrap { position: relative; overflow: hidden; background: var(--bg-canvas);
  background-image: radial-gradient(circle at 1px 1px, var(--grid) 1px, transparent 0);
  background-size: 24px 24px; background-position: 0 0 }
#sg-legplan-root[data-grid="false"] .canvas-wrap { background-image: none }
#sg-legplan-root .canvas-overlay { position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 50%, var(--bg-canvas) 100%); opacity: .6 }
#sg-legplan-root .canvas { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); transform-origin: center }
#sg-legplan-root .roof { position: relative; background: var(--bg-panel);
  border: 2px solid var(--roof-2); border-radius: 6px; box-shadow: var(--shadow) }
#sg-legplan-root .roof::before { content: ""; position: absolute; inset: 0; border-radius: 4px;
  background: repeating-linear-gradient(45deg,
    transparent 0, transparent 28px,
    oklch(0 0 0 / 0.018) 28px, oklch(0 0 0 / 0.018) 29px);
  pointer-events: none }
#sg-legplan-root[data-dark="true"] .roof::before {
  background: repeating-linear-gradient(45deg,
    transparent 0, transparent 28px,
    oklch(1 0 0 / 0.025) 28px, oklch(1 0 0 / 0.025) 29px) }
#sg-legplan-root .roof-label { position: absolute; left: -1px; top: -26px;
  font: 500 10.5px/1 'JetBrains Mono', monospace; color: var(--ink-3);
  letter-spacing: .04em; text-transform: uppercase; display: flex; align-items: center; gap: 6px }
#sg-legplan-root .roof-label .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--roof-2) }
#sg-legplan-root .roof-dim { position: absolute; font: 500 10px/1 'JetBrains Mono', monospace;
  color: var(--ink-3); letter-spacing: .04em; display: flex; align-items: center; gap: 6px }
#sg-legplan-root .roof-dim.t { top: -22px; right: 0 }
#sg-legplan-root .roof-dim.l { left: -58px; top: 50%; transform: translateY(-50%) rotate(-90deg); transform-origin: right center }

/* windzone */
#sg-legplan-root .windzone { position: absolute; pointer-events: none; z-index: 1;
  border: 1px dashed oklch(0.65 0.12 60 / .55);
  border-radius: 4px;
  background: repeating-linear-gradient(45deg,
    transparent 0, transparent 12px,
    oklch(0.65 0.12 60 / .045) 12px, oklch(0.65 0.12 60 / .045) 24px) }
#sg-legplan-root .windzone-label { position: absolute; font: 500 9.5px/1 'JetBrains Mono', monospace;
  color: oklch(0.55 0.10 60); letter-spacing: .04em; padding: 2px 6px;
  background: var(--bg-canvas); border-radius: 3px; pointer-events: none;
  box-shadow: 0 0 0 1px oklch(0.65 0.12 60 / .35) }
#sg-legplan-root[data-dark="true"] .windzone { border-color: oklch(0.72 0.12 60 / .50);
  background: repeating-linear-gradient(45deg,
    transparent 0, transparent 12px,
    oklch(0.72 0.12 60 / .06) 12px, oklch(0.72 0.12 60 / .06) 24px) }
#sg-legplan-root[data-dark="true"] .windzone-label { color: oklch(0.78 0.10 60);
  box-shadow: 0 0 0 1px oklch(0.72 0.12 60 / .35) }

/* panel (half-cell module) */
#sg-legplan-root .panel { position: absolute;
  background: linear-gradient(180deg,
    oklch(0.72 0.004 240) 0%,
    oklch(0.58 0.004 240) 50%,
    oklch(0.64 0.004 240) 100%);
  border-radius: 2px;
  box-shadow:
    0 1px 2px rgba(0,0,0,.25),
    inset 0 0 0 .5px oklch(0.36 0.004 240);
  cursor: pointer; transition: box-shadow .12s ease;
  overflow: hidden }
#sg-legplan-root .panel::before { content: ""; position: absolute;
  left: var(--frame-x, 3%); right: var(--frame-x, 3%);
  top: var(--frame-y, 3%); bottom: var(--frame-y, 3%);
  background:
    linear-gradient(135deg, oklch(1 0 0 / .08) 0%, transparent 38%),
    oklch(0.22 0.022 245);
  box-shadow: inset 0 0 0 .5px oklch(0.08 0.015 245);
  pointer-events: none }
#sg-legplan-root .panel::after { content: ""; position: absolute;
  left: var(--frame-x, 3%); right: var(--frame-x, 3%);
  top: var(--frame-y, 3%); bottom: var(--frame-y, 3%);
  background:
    linear-gradient(180deg,
      transparent calc(50% - 1.5px),
      oklch(0.06 0.005 245) calc(50% - 1.5px),
      oklch(0.06 0.005 245) calc(50% + 1.5px),
      transparent calc(50% + 1.5px)),
    repeating-linear-gradient(180deg,
      transparent 0,
      transparent calc((100% / var(--cell-rows, 12)) - 1px),
      oklch(0.10 0.015 245 / .85) calc((100% / var(--cell-rows, 12)) - 1px),
      oklch(0.10 0.015 245 / .85) calc(100% / var(--cell-rows, 12))),
    repeating-linear-gradient(90deg,
      transparent 0,
      transparent calc((100% / var(--cell-cols, 6)) - 1px),
      oklch(0.10 0.015 245 / .85) calc((100% / var(--cell-cols, 6)) - 1px),
      oklch(0.10 0.015 245 / .85) calc(100% / var(--cell-cols, 6)));
  pointer-events: none }
#sg-legplan-root .panel:hover { box-shadow:
  0 2px 6px rgba(0,0,0,.3),
  inset 0 0 0 .5px oklch(0.36 0.004 240),
  inset 0 0 0 1.5px oklch(0.85 0.004 240) }
#sg-legplan-root .panel.selected { z-index: 0; box-shadow:
  0 0 0 2px var(--sel),
  0 4px 14px oklch(0.58 0.18 220 / .35),
  inset 0 0 0 .5px oklch(0.36 0.004 240) }
#sg-legplan-root .panel.overflow { box-shadow:
  0 0 0 2px var(--warn),
  0 0 0 4px oklch(0.65 0.16 35 / .15),
  inset 0 0 0 .5px oklch(0.36 0.004 240) }

/* rails */
#sg-legplan-root .rail { position: absolute; z-index: 3;
  background: linear-gradient(180deg,
    oklch(0.85 0.003 240) 0%,
    oklch(0.68 0.003 240) 35%,
    oklch(0.58 0.003 240) 65%,
    oklch(0.80 0.003 240) 100%);
  box-shadow: 0 1px 2px rgba(0,0,0,.25),
              inset 0 .5px 0 oklch(1 0 0 / .35),
              inset 0 -.5px 0 oklch(0.35 0.003 240);
  border-radius: .5px; pointer-events: auto; cursor: help; opacity: .78 }
#sg-legplan-root .rail.v { background: linear-gradient(90deg,
    oklch(0.85 0.003 240) 0%,
    oklch(0.68 0.003 240) 35%,
    oklch(0.58 0.003 240) 65%,
    oklch(0.80 0.003 240) 100%);
  box-shadow: 0 1px 2px rgba(0,0,0,.25),
              inset .5px 0 0 oklch(1 0 0 / .35),
              inset -.5px 0 0 oklch(0.35 0.003 240) }
#sg-legplan-root .rail-joint { position: absolute; z-index: 4; background: oklch(0.30 0.003 240);
  box-shadow: 0 0 0 .5px oklch(0.18 0.003 240), 0 0 0 1.5px oklch(0.90 0.003 240 / .5);
  pointer-events: none; border-radius: 1px }
#sg-legplan-root[data-dark="true"] .rail { opacity: .85;
  box-shadow: 0 1px 3px rgba(0,0,0,.45),
              inset 0 .5px 0 oklch(1 0 0 / .25),
              inset 0 -.5px 0 oklch(0.25 0.003 240) }

/* plus / minus buttons */
#sg-legplan-root .plus { position: absolute; width: 24px; height: 24px; border-radius: 50%;
  background: var(--primary); color: white; border: 0;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 6px rgba(0,0,0,.2), 0 0 0 2px var(--bg-canvas);
  cursor: pointer; line-height: 1;
  transition: transform .15s cubic-bezier(.34,1.56,.64,1), background .12s;
  z-index: 10; transform: scale(0); pointer-events: none }
#sg-legplan-root .plus.show { transform: scale(1); pointer-events: auto }
#sg-legplan-root .plus:hover { background: var(--primary-2); transform: scale(1.12) }
#sg-legplan-root .plus.minus { background: oklch(0.96 0.012 95); color: oklch(0.55 0.16 35);
  box-shadow: 0 1px 3px rgba(0,0,0,.12), 0 0 0 1.5px oklch(0.55 0.16 35), 0 0 0 3.5px var(--bg-canvas) }
#sg-legplan-root .plus.minus:hover { background: oklch(0.55 0.16 35); color: white;
  box-shadow: 0 2px 6px oklch(0.55 0.16 35 / .35), 0 0 0 1.5px oklch(0.55 0.16 35), 0 0 0 3.5px var(--bg-canvas) }
#sg-legplan-root[data-dark="true"] .plus.minus { background: oklch(0.22 0.012 150); color: oklch(0.72 0.16 35) }
#sg-legplan-root[data-dark="true"] .plus.minus:hover { background: oklch(0.55 0.16 35); color: white }
/* duidelijk + / − glyph in de cirkel */
#sg-legplan-root .plus-glyph { display: block; font-size: 18px; font-weight: 800; line-height: 1;
  font-family: ui-sans-serif, system-ui, -apple-system, sans-serif; margin-top: -1px;
  pointer-events: none; user-select: none }
#sg-legplan-root .plus.minus .plus-glyph { font-size: 20px; margin-top: -2px }

#sg-legplan-root .sel-info { position: absolute; background: var(--bg-panel);
  border: 1px solid var(--line-2); border-radius: 8px;
  padding: 6px 10px; font-size: 11px; color: var(--ink-2);
  box-shadow: var(--shadow-sm); font-family: 'JetBrains Mono', monospace;
  white-space: nowrap; pointer-events: none; z-index: 4 }

#sg-legplan-root .empty { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 12px; color: var(--ink-3); text-align: center; pointer-events: none }
#sg-legplan-root .empty h3 { margin: 0; font-size: 14px; font-weight: 600; color: var(--ink-2) }
#sg-legplan-root .empty p { margin: 0; max-width: 280px; font-size: 12.5px; line-height: 1.5 }

#sg-legplan-root .floating-toolbar { position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%);
  display: flex; align-items: center; gap: 2px; padding: 5px; background: var(--bg-panel);
  border: 1px solid var(--line-2); border-radius: 12px; box-shadow: var(--shadow); z-index: 6 }
#sg-legplan-root .floating-toolbar button { padding: 8px 12px; background: transparent; border: 0;
  border-radius: 8px; font-size: 12.5px; font-weight: 500; color: var(--ink-2); cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px }
#sg-legplan-root .floating-toolbar button:hover { background: oklch(0 0 0 / 0.04); color: var(--ink) }
#sg-legplan-root .floating-toolbar button.danger:hover { background: oklch(0.65 0.16 35 / .12); color: oklch(0.55 0.16 35) }
#sg-legplan-root .floating-toolbar button:disabled { opacity: .35; cursor: not-allowed }
#sg-legplan-root .floating-toolbar .sep { width: 1px; height: 18px; background: var(--line-2); margin: 0 2px }

#sg-legplan-root .toast { position: absolute; left: 50%; top: 18px; transform: translateX(-50%);
  background: var(--ink); color: var(--bg); padding: 8px 14px; border-radius: 8px;
  font-size: 12.5px; font-weight: 500; box-shadow: var(--shadow); z-index: 10;
  animation: sg-toast-in .25s ease-out }
@keyframes sg-toast-in { from { opacity: 0; transform: translate(-50%, -6px) } to { opacity: 1; transform: translate(-50%, 0) } }

#sg-legplan-root .panel-dim-overlay { position: absolute; font: 500 9px/1 'JetBrains Mono', monospace;
  color: rgba(255,255,255,.55); pointer-events: none; letter-spacing: .04em; z-index: 1 }

#sg-legplan-root .icon-row { display: flex; gap: 4px; align-items: center }
#sg-legplan-root .ibtn { width: 30px; height: 30px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-2); background: var(--bg); color: var(--ink-2);
  border-radius: 7px; cursor: pointer }
#sg-legplan-root .ibtn:hover { color: var(--ink); border-color: var(--ink-3) }
#sg-legplan-root .ibtn[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink) }

/* chips (rail lengths — read-only in productie) */
#sg-legplan-root .chips { display: flex; flex-wrap: wrap; gap: 4px; min-height: 24px; padding: 4px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px }
#sg-legplan-root .chip { display: inline-flex; align-items: center; gap: 4px; padding: 3px 8px;
  background: var(--bg-panel); border: 1px solid var(--line-2); border-radius: 6px;
  font-size: 11.5px; color: var(--ink-2) }
#sg-legplan-root .chip .mono { font-family: 'JetBrains Mono', monospace; font-feature-settings: "tnum"; font-weight: 500; color: var(--ink) }

/* BOM list */
#sg-legplan-root .bom-item { display: flex; align-items: center; justify-content: space-between;
  gap: 8px; padding: 7px 0; font-size: 12.5px }
#sg-legplan-root .bom-item + .bom-item { border-top: 1px dashed var(--line) }
#sg-legplan-root .bom-name { display: flex; flex-direction: column; gap: 1px; min-width: 0; flex: 1 }
#sg-legplan-root .bom-name span:nth-child(2) { color: var(--ink); font-weight: 500;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap }
#sg-legplan-root .bom-sku { font-size: 10.5px; color: var(--ink-3); letter-spacing: .02em }
#sg-legplan-root .bom-sku.warn { color: oklch(0.55 0.16 35); font-weight: 600 }
#sg-legplan-root .bom-count { font-variant-numeric: tabular-nums; color: var(--primary-2); font-weight: 600;
  font-size: 13px; background: var(--primary-soft); padding: 2px 8px; border-radius: 5px;
  flex-shrink: 0 }
#sg-legplan-root[data-dark="true"] .bom-count { color: var(--primary) }
#sg-legplan-root .bom-group-h { font-size: 10px; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; color: var(--ink-3); margin: 14px 0 4px;
  padding-top: 8px; border-top: 1px solid var(--line) }
#sg-legplan-root .bom-empty { font-size: 11.5px; color: var(--ink-3); padding: 4px 0 }
#sg-legplan-root .bom-total { display: flex; align-items: baseline; justify-content: space-between;
  margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--line-2);
  font-size: 13px; font-weight: 600; color: var(--ink) }
#sg-legplan-root .bom-total .mono { font-family: 'JetBrains Mono', monospace; font-size: 14px; color: var(--primary-2) }
#sg-legplan-root[data-dark="true"] .bom-total .mono { color: var(--primary) }
#sg-legplan-root .bom-cart { margin-top: 14px; width: 100%; display: inline-flex; align-items: center;
  justify-content: center; gap: 8px; padding: 10px; background: var(--primary);
  color: white; border: 0; border-radius: 9px; font-size: 13px; font-weight: 600;
  cursor: pointer; box-shadow: 0 2px 6px oklch(0.58 0.14 145 / .25) }
#sg-legplan-root .bom-cart:hover { background: var(--primary-2) }
#sg-legplan-root .bom-cart:disabled { opacity: .6; cursor: not-allowed }
#sg-legplan-root[data-dark="true"] .bom-cart { color: oklch(0.10 0.02 150) }

#sg-legplan-root .hero-sun { position: absolute; right: 8px; bottom: 6px; width: 36px; height: 36px; opacity: .5; pointer-events: none }

/* loading / errors */
#sg-legplan-root .sg-loading { display: flex; align-items: center; justify-content: center;
  height: 400px; color: var(--ink-3); font-size: 13px }
#sg-legplan-root .sg-success { margin-top: 10px; padding: 8px 10px; border-radius: 8px;
  background: var(--primary-soft); color: var(--primary-2); font-size: 11.5px; font-weight: 500 }
#sg-legplan-root .sg-success a { color: inherit; font-weight: 700; text-decoration: underline }
#sg-legplan-root .sg-error { margin-top: 10px; padding: 8px 10px; border-radius: 8px;
  background: oklch(0.94 0.04 35); color: oklch(0.50 0.16 35); font-size: 11.5px; font-weight: 500 }

/* responsive — onder 900px stapelen panes verticaal */
@media (max-width: 900px) {
  #sg-legplan-root .main { grid-template-columns: 1fr; grid-template-rows: auto 1fr auto }
  #sg-legplan-root .pane,
  #sg-legplan-root .pane.right { border-right: 0; border-left: 0; border-bottom: 1px solid var(--line); max-height: 50vh }
  #sg-legplan-root .topbar .crumbs { display: none }
}