/* samPLC 스타일 */
:root {
  --bg: #eef1f5; --panel: #ffffff; --panel-2: #f6f7f9; --border: #d7dce3; --border-strong: #b9c1cc;
  --text: #1c2330; --muted: #677285; --accent: #1a5cff; --accent-soft: #e5edff; --danger: #d6322b; --ok: #16a34a; --warn: #d97706;
  --top: #1f2633; --top-text: #e8ecf3; --top-muted: #9aa6b8; --top-hover: #2d3646;
  --ld-bg: #ffffff; --ld-line: #111; --ld-text: #111; --ld-comment: #0a7a3a; --ld-grid: #c9ced6; --ld-cursor: #1a5cff;
  --ld-on: #1a5cff; --ld-on-text: #ffffff; --ld-note: #0b7d6a; --ld-step: #6b7280; --ld-sel: rgba(26, 92, 255, 0.13);
  --ld-val: #c2410c; --ld-gutter: #f2f4f7;
  --sans: 'Noto Sans KR', system-ui, -apple-system, 'Malgun Gothic', sans-serif;
  --mono: 'JetBrains Mono', 'D2Coding', Consolas, 'Malgun Gothic', monospace;
  --radius: 6px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12151b; --panel: #1a1e26; --panel-2: #20252f; --border: #2c323d; --border-strong: #3d4552;
    --text: #e3e7ee; --muted: #8e98a8; --accent: #4f86ff; --accent-soft: #1f2a44; --danger: #f0524a;
    --top: #0d1016; --top-hover: #1d222c;
    --ld-bg: #14171d; --ld-line: #d7dbe2; --ld-text: #e8ebf0; --ld-comment: #4ade80; --ld-grid: #3a404b; --ld-cursor: #5b8cff;
    --ld-on: #2f6bff; --ld-note: #34d3b4; --ld-step: #8b95a5; --ld-sel: rgba(91, 140, 255, 0.18); --ld-val: #fb923c; --ld-gutter: #191c23;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #12151b; --panel: #1a1e26; --panel-2: #20252f; --border: #2c323d; --border-strong: #3d4552;
  --text: #e3e7ee; --muted: #8e98a8; --accent: #4f86ff; --accent-soft: #1f2a44; --danger: #f0524a;
  --top: #0d1016; --top-hover: #1d222c;
  --ld-bg: #14171d; --ld-line: #d7dbe2; --ld-text: #e8ebf0; --ld-comment: #4ade80; --ld-grid: #3a404b; --ld-cursor: #5b8cff;
  --ld-on: #2f6bff; --ld-note: #34d3b4; --ld-step: #8b95a5; --ld-sel: rgba(91, 140, 255, 0.18); --ld-val: #fb923c; --ld-gutter: #191c23;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--text); font: 13px/1.45 var(--sans); display: flex; flex-direction: column; overflow: hidden; }
button, input, select, textarea { font: inherit; color: inherit; }
.mono { font-family: var(--mono); }
.hint { color: var(--muted); font-size: 12px; }
[hidden] { display: none !important; }

/* ───────── 상단 바 ───────── */
.topbar { display: flex; align-items: center; gap: 10px; height: 44px; padding: 0 10px; background: var(--top); color: var(--top-text); flex: none; min-width: 0; }
.brand { display: flex; align-items: center; gap: 8px; min-width: 0; }
.brand-name { font-weight: 700; font-size: 15px; letter-spacing: 0.2px; }
.proj-name { color: var(--top-muted); font-size: 12px; max-width: 200px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.menubar { display: flex; gap: 2px; }
.menubar button { background: none; border: 0; color: var(--top-text); padding: 6px 10px; border-radius: 5px; cursor: pointer; white-space: nowrap; }
.menubar button:hover { background: var(--top-hover); }
.menubar button.hl { color: #ffd166; font-weight: 600; }
.runbar { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.run-led { width: 10px; height: 10px; border-radius: 50%; background: #555c68; box-shadow: inset 0 0 0 1px #0006; }
.run-led.on { background: #22c55e; box-shadow: 0 0 8px #22c55e; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0.55; } }
#run-state { font-family: var(--mono); font-size: 12px; width: 38px; }
.rb { background: #2d3646; border: 1px solid #3a4557; color: var(--top-text); padding: 4px 10px; border-radius: 5px; cursor: pointer; font-weight: 600; font-size: 12px; }
.rb:hover { background: #38445a; }
.rb.run.active { background: #15803d; border-color: #22c55e; }
.rb.stop.active { background: #7f1d1d; border-color: #b91c1c; }
#speed { background: #2d3646; border: 1px solid #3a4557; color: var(--top-text); border-radius: 5px; padding: 3px 4px; font-size: 12px; }
.scan-info { font-family: var(--mono); font-size: 11px; color: var(--top-muted); min-width: 120px; }
.viewmode { display: flex; border: 1px solid #3a4557; border-radius: 6px; overflow: hidden; }
.viewmode button { background: none; border: 0; color: var(--top-muted); padding: 4px 10px; cursor: pointer; font-size: 12px; }
.viewmode button.active { background: var(--accent); color: #fff; }

/* ───────── 메인 레이아웃 ───────── */
#main { flex: 1; min-height: 0; display: grid; grid-template-columns: var(--split, 50%) 5px 1fr; }
#main.mode-ladder { grid-template-columns: 1fr 0 0; }
#main.mode-mech { grid-template-columns: 0 0 1fr; }
#main.mode-ladder #mech-pane, #main.mode-mech #ladder-pane, #main.mode-ladder #splitter, #main.mode-mech #splitter { display: none; }
#ladder-pane { grid-column: 1; grid-row: 1; }
#splitter { grid-column: 2; grid-row: 1; }
#mech-pane { grid-column: 3; grid-row: 1; }
.pane { min-width: 0; min-height: 0; display: flex; flex-direction: column; background: var(--panel); }
.splitter { background: var(--border); cursor: col-resize; }
.splitter:hover { background: var(--accent); }

/* ───────── 래더 ───────── */
.ld-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 2px; padding: 4px 6px; border-bottom: 1px solid var(--border); background: var(--panel-2); }
.tb { display: inline-flex; flex-direction: column; align-items: center; justify-content: center; min-width: 38px; height: 38px; padding: 1px 4px; border: 1px solid transparent; background: none; border-radius: 5px; cursor: pointer; line-height: 1.1; }
.tb:hover { background: var(--accent-soft); border-color: var(--border); }
.tb.active { background: var(--accent); color: #fff; }
.tb-sym { font-family: var(--mono); font-size: 13px; font-weight: 600; white-space: nowrap; }
.tb-key { font-size: 9.5px; color: var(--muted); font-family: var(--mono); }
.tb.active .tb-key { color: #dbe6ff; }
.tb-sep { width: 1px; height: 26px; background: var(--border); margin: 0 4px; }
.tb-flex { flex: 1; }
.zoom-lbl { font-family: var(--mono); font-size: 11px; color: var(--muted); width: 38px; text-align: center; }
.ld-tabs { display: flex; align-items: flex-end; gap: 2px; padding: 4px 6px 0; background: var(--panel-2); border-bottom: 1px solid var(--border); overflow-x: auto; flex: none; }
.ld-tab { padding: 4px 14px; border: 1px solid var(--border); border-bottom: 0; border-radius: 6px 6px 0 0; background: var(--bg); cursor: pointer; white-space: nowrap; font-size: 12px; color: var(--muted); user-select: none; }
.ld-tab.active { background: var(--ld-bg); color: var(--text); font-weight: 600; box-shadow: inset 0 2px 0 var(--accent); }
.ld-tab-add { border: 0; background: none; cursor: pointer; padding: 4px 8px; color: var(--muted); font-size: 14px; }
.ld-tab-add:hover { color: var(--accent); }
.ld-scroll { position: relative; flex: 1; min-height: 0; overflow: auto; background: var(--ld-bg); }
.ld-canvas { position: absolute; left: 0; top: 0; outline: none; z-index: 1; }
.ld-sizer { position: relative; pointer-events: none; }
.ld-status { display: flex; gap: 14px; align-items: center; padding: 3px 10px; border-top: 1px solid var(--border); font-size: 11.5px; color: var(--muted); background: var(--panel-2); white-space: nowrap; overflow: hidden; }
.ld-status .st-ins { font-family: var(--mono); color: var(--text); }

/* ───────── 3D ───────── */
.v3d-tools { display: flex; align-items: center; gap: 2px; padding: 4px 6px; border-bottom: 1px solid var(--border); background: var(--panel-2); flex-wrap: wrap; }
.v3d-tools button { background: none; border: 1px solid transparent; padding: 4px 8px; border-radius: 5px; cursor: pointer; font-size: 12px; white-space: nowrap; }
.v3d-tools button:hover { background: var(--accent-soft); border-color: var(--border); }
.v3d-tools button.active { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.v3d-tools button.primary-tool { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 600; }
.v3d-tools button.primary-tool:hover { filter: brightness(1.08); background: var(--accent); color: #fff; }
.v3d-tools button:disabled { opacity: 0.4; cursor: default; }
.v3d-tools button:disabled:hover { background: none; border-color: transparent; }
.snap-lbl { display: inline-flex; align-items: center; gap: 4px; font-size: 11.5px; color: var(--muted); }
.snap-lbl select { padding: 2px 4px; border: 1px solid var(--border); border-radius: 4px; background: var(--panel); font-size: 11.5px; }
.sel-info { margin-left: auto; font-size: 11.5px; color: var(--accent); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 40%; }

.mech-body { flex: 1; min-height: 0; display: flex; }
#v3d { position: relative; flex: 1; min-width: 0; overflow: hidden; }
#v3d-empty { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 3; pointer-events: none; }
#v3d-empty .ve-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 20px 26px; max-width: 440px; text-align: center; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.18); pointer-events: auto; }
#v3d-empty h3 { margin: 0 0 6px; font-size: 16px; }
#v3d-empty p { margin: 0 0 14px; color: var(--muted); font-size: 12.5px; line-height: 1.6; }
.ve-btns { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
#v3d-hud { position: absolute; z-index: 4; background: rgba(20, 26, 36, 0.85); color: #fff; font-family: var(--mono); font-size: 11px; padding: 3px 7px; border-radius: 4px; pointer-events: none; white-space: nowrap; }
#v3d-box { position: absolute; z-index: 4; border: 1.5px dashed var(--accent); background: rgba(26, 92, 255, 0.12); pointer-events: none; }
#v3d canvas.v3d-canvas { display: block; outline: none; touch-action: none; }
.v3d-labels { position: absolute; left: 0; top: 0; pointer-events: none; }
.v3d-label { background: rgba(20, 26, 36, 0.78); color: #fff; font-size: 11px; padding: 2px 7px; border-radius: 4px; white-space: nowrap; transform: translateY(-50%); }
.v3d-label .io { display: flex; flex-wrap: wrap; gap: 2px; margin-top: 2px; max-width: 220px; }
.v3d-label .io span { font-family: var(--mono); font-size: 10px; padding: 0 4px; border-radius: 3px; background: #394355; }
.v3d-label .io span.on { background: #16a34a; }
#side { width: 250px; flex: none; border-left: 1px solid var(--border); display: flex; flex-direction: column; background: var(--panel); min-height: 0; }
.side-tabs { display: flex; border-bottom: 1px solid var(--border); flex: none; }
.side-tabs button { flex: 1; background: none; border: 0; padding: 7px; cursor: pointer; color: var(--muted); border-bottom: 2px solid transparent; }
.side-tabs button.active { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
.side-body { flex: 1; overflow: auto; padding: 8px; min-height: 0; }
.pal-hint { font-size: 11px; color: var(--muted); margin-bottom: 6px; }
.pal-cat { font-size: 11px; font-weight: 700; color: var(--muted); text-transform: uppercase; margin: 10px 0 4px; letter-spacing: 0.3px; }
.pal-item { display: flex; align-items: center; gap: 8px; padding: 5px 8px; border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 4px; cursor: grab; background: var(--panel-2); user-select: none; }
.pal-item:hover { border-color: var(--accent); background: var(--accent-soft); }
.pal-ico { width: 20px; text-align: center; font-size: 14px; }
.piece-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.piece-btn { display: flex; align-items: center; gap: 6px; }
.swatch { width: 12px; height: 12px; border-radius: 50%; border: 1px solid var(--border-strong); flex: none; }
.prop-title { font-weight: 700; font-size: 14px; display: flex; gap: 6px; align-items: center; margin-bottom: 2px; }
.prop-desc { color: var(--muted); font-size: 11.5px; margin-bottom: 8px; }
.prop-desc p { margin: 4px 0; }
.prop-sec { font-size: 11px; font-weight: 700; color: var(--muted); margin: 12px 0 5px; border-bottom: 1px solid var(--border); padding-bottom: 2px; }
.prop-grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
.prop-actions { display: flex; flex-wrap: wrap; gap: 4px; margin: 6px 0; }
.field { display: flex; flex-direction: column; gap: 2px; margin-bottom: 6px; font-size: 11.5px; }
.field > span { color: var(--muted); }
.field.inline { flex-direction: row; align-items: center; gap: 8px; }
.field.inline > span { order: 2; color: var(--text); }
.field input[type=text], .field input[type=number], .field select, .io-row input { width: 100%; padding: 4px 6px; border: 1px solid var(--border); border-radius: 4px; background: var(--panel); min-width: 0; }
.field input:focus, .field select:focus, .io-row input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.io-row { display: grid; grid-template-columns: 30px 1fr 64px 14px; gap: 4px; align-items: center; margin-bottom: 3px; font-size: 11.5px; }
.io-dir { font-size: 9.5px; font-weight: 700; border-radius: 3px; padding: 0 3px; text-align: center; font-family: var(--mono); }
.io-dir.in { background: #dbeafe; color: #1d4ed8; }
.io-dir.out { background: #ffedd5; color: #c2410c; }
.io-lbl { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.io-warn { color: var(--warn); cursor: help; }

/* ───────── 하단 도크 ───────── */
#dock { flex: none; height: 210px; display: flex; flex-direction: column; background: var(--panel); border-top: 1px solid var(--border); position: relative; }
#dock.collapsed { height: 32px !important; }
#dock.collapsed #dock-body { display: none; }
#dock.collapsed #dock-toggle { transform: rotate(180deg); }
.dock-resize { position: absolute; top: -3px; left: 0; right: 0; height: 6px; cursor: row-resize; z-index: 5; }
.dock-tabs { display: flex; align-items: center; gap: 2px; padding: 0 6px; border-bottom: 1px solid var(--border); height: 32px; flex: none; background: var(--panel-2); }
.dock-tabs button[data-tab] { background: none; border: 0; padding: 6px 12px; cursor: pointer; color: var(--muted); border-bottom: 2px solid transparent; height: 32px; white-space: nowrap; }
.dock-tabs button[data-tab].active { color: var(--text); font-weight: 600; border-bottom-color: var(--accent); }
.last-msg { flex: 1; text-align: right; color: var(--muted); font-size: 11.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding: 0 8px; }
#dock-body { flex: 1; overflow: auto; min-height: 0; padding: 8px 10px; }
.empty { color: var(--muted); padding: 10px; }

/* 조작 패널 */
.op-wrap { display: flex; flex-wrap: wrap; gap: 10px; }
.op-item { width: 104px; display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 8px 4px; border: 1px solid var(--border); border-radius: 8px; background: var(--panel-2); }
.op-name { font-size: 11.5px; font-weight: 600; text-align: center; line-height: 1.2; }
.op-addr { font-size: 10px; color: var(--muted); text-align: center; }
.op-btn { width: 44px; height: 44px; border-radius: 50%; border: 5px solid #2b2f36; background: var(--c); cursor: pointer; box-shadow: 0 3px 0 #0005, inset 0 -4px 6px #0003, inset 0 3px 5px #fff6; transition: transform 0.05s; }
.op-btn.down { transform: translateY(2px) scale(0.95); box-shadow: 0 1px 0 #0005, inset 0 3px 6px #0006; filter: brightness(1.15); }
.op-btn.emergency { width: 50px; height: 50px; border-color: #f2c230; }
.op-sel { width: 44px; height: 44px; border-radius: 50%; border: 4px solid #2b2f36; background: #444; cursor: pointer; position: relative; }
.op-knob { position: absolute; left: 50%; top: 50%; width: 30px; height: 9px; background: #111; border-radius: 3px; transform: translate(-50%, -50%) rotate(-45deg); transition: transform 0.15s; }
.op-knob::after { content: ''; position: absolute; right: 2px; top: 3px; width: 5px; height: 3px; background: #fff; }
.op-sel.on .op-knob { transform: translate(-50%, -50%) rotate(45deg); }
.op-lamp { width: 36px; height: 36px; border-radius: 50%; background: color-mix(in srgb, var(--c) 30%, #333); border: 4px solid #2b2f36; display: flex; align-items: center; justify-content: center; color: #fff; }
.op-lamp.on { background: var(--c); box-shadow: 0 0 14px var(--c), inset 0 0 8px #fff8; }
.op-tower { display: flex; flex-direction: column-reverse; gap: 2px; }
.op-tower i { width: 22px; height: 12px; border-radius: 3px; opacity: 0.25; }
.op-tower i.red { background: #e53935; } .op-tower i.yellow { background: #fdd835; } .op-tower i.green { background: #43a047; }
.op-tower i.on { opacity: 1; box-shadow: 0 0 8px currentColor; }
.op-disp { background: #120404; color: #ff3b2f; font-size: 20px; padding: 2px 8px; border-radius: 4px; min-width: 70px; text-align: right; text-shadow: 0 0 6px #ff2a1a; }

/* 모니터 */
.mon-cols { display: grid; grid-template-columns: 1.3fr 1fr; gap: 14px; }
.mon-head { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 12px; margin-bottom: 6px; }
.mon-head select, .mon-head input { padding: 2px 4px; border: 1px solid var(--border); border-radius: 4px; background: var(--panel); font-size: 12px; }
.mon-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 3px; }
.mon-cell { display: flex; align-items: center; gap: 5px; padding: 2px 6px; border: 1px solid var(--border); border-radius: 4px; cursor: pointer; font-size: 11.5px; min-width: 0; }
.mon-cell .dev { font-weight: 600; min-width: 34px; }
.mon-cell .cm, .mon-word .cm { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; }
.mon-cell.on { background: var(--accent-soft); border-color: var(--accent); }
.mon-cell.forced { outline: 2px dashed var(--warn); outline-offset: -2px; }
.mon-lamp { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); flex: none; }
.on > .mon-lamp, .mon-lamp.on { background: #22c55e; box-shadow: 0 0 5px #22c55e; }
.mon-words { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 3px; margin-top: 8px; }
.mon-word { display: flex; gap: 6px; align-items: center; padding: 2px 6px; border: 1px solid var(--border); border-radius: 4px; cursor: pointer; font-size: 11.5px; }
.mon-word .val { color: var(--ld-val); font-weight: 600; min-width: 40px; text-align: right; }
.batch-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 2px; }
.batch-grid.words { grid-template-columns: repeat(4, 1fr); }
.b-cell { display: flex; justify-content: space-between; gap: 4px; padding: 2px 5px; border: 1px solid var(--border); border-radius: 3px; font-size: 11px; cursor: pointer; }
.b-cell.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.b-cell.forced { outline: 2px dashed var(--warn); outline-offset: -2px; }
.b-cell .bv { color: var(--ld-val); }
.b-cell.on .bv { color: #fff; }

/* I/O 표 */
.io-bar { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; flex-wrap: wrap; }
.io-table { border-collapse: collapse; width: 100%; font-size: 12px; }
.io-table th { text-align: left; font-weight: 600; color: var(--muted); border-bottom: 1px solid var(--border); padding: 3px 6px; position: sticky; top: 0; background: var(--panel); }
.io-table td { border-bottom: 1px solid var(--border); padding: 2px 6px; }
.io-table input { width: 70px; padding: 2px 4px; border: 1px solid var(--border); border-radius: 3px; background: var(--panel); }
.io-table tr.dup td { background: color-mix(in srgb, var(--warn) 12%, transparent); }
.io-table .link { color: var(--accent); cursor: pointer; }
.io-table .cm { color: var(--muted); }
.il-text { width: 100%; min-height: 140px; height: calc(100% - 36px); border: 1px solid var(--border); border-radius: 4px; padding: 6px 8px; background: var(--panel); font-size: 12px; line-height: 1.5; resize: vertical; }
.msg-list { font-size: 11.5px; }
.msg { padding: 1px 0; border-bottom: 1px dashed var(--border); }
.msg .t { color: var(--muted); margin-right: 8px; }
.msg.ev { color: var(--ok); }

/* ───────── 공통 버튼/모달/메뉴 ───────── */
.btn { padding: 5px 12px; border: 1px solid var(--border-strong); border-radius: 5px; background: var(--panel); cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); color: #fff; }
.btn.danger { color: var(--danger); }
.btn.sm { padding: 3px 9px; font-size: 12px; }
.btn.xs { padding: 1px 6px; font-size: 11px; font-weight: 400; }
.icon-btn { background: none; border: 0; cursor: pointer; color: var(--muted); padding: 2px 6px; font-size: 14px; }
.modal-back { position: fixed; inset: 0; background: rgba(10, 14, 22, 0.45); display: flex; align-items: flex-start; justify-content: center; padding-top: 8vh; z-index: 100; }
.modal { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35); max-width: calc(100vw - 32px); max-height: 84vh; display: flex; flex-direction: column; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; border-bottom: 1px solid var(--border); font-weight: 700; }
.modal-body { padding: 12px 14px; overflow: auto; }
.modal-foot { display: flex; justify-content: flex-end; gap: 6px; padding: 10px 14px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.ins-row { display: flex; gap: 6px; }
.kind-sel { width: 210px; padding: 6px; border: 1px solid var(--border); border-radius: 5px; background: var(--panel); font-family: var(--mono); font-size: 12px; }
.ins-text { flex: 1; padding: 6px 8px; border: 2px solid var(--accent); border-radius: 5px; font-size: 15px; background: var(--panel); text-transform: uppercase; min-width: 0; }
.ins-err { color: var(--danger); min-height: 18px; font-size: 12px; margin: 4px 0; }
.ins-help { margin-top: 8px; font-size: 11.5px; color: var(--muted); border-top: 1px solid var(--border); padding-top: 6px; }
.ins-help div { margin: 2px 0; }
.sug-title { font-size: 11px; color: var(--muted); margin-top: 4px; }
.sug-list { max-height: 150px; overflow: auto; border: 1px solid var(--border); border-radius: 5px; margin-top: 3px; }
.sug { padding: 2px 8px; cursor: pointer; font-size: 12px; border-bottom: 1px solid var(--border); }
.sug:hover { background: var(--accent-soft); }
.sug b { font-family: var(--mono); display: inline-block; min-width: 42px; }
.menu { position: fixed; z-index: 200; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25); padding: 4px; min-width: 200px; max-height: 80vh; overflow: auto; }
.menu-item { display: flex; justify-content: space-between; gap: 18px; padding: 5px 10px 5px 24px; border-radius: 5px; cursor: pointer; white-space: nowrap; position: relative; }
.menu-item:hover { background: var(--accent-soft); }
.menu-item.disabled { opacity: 0.4; pointer-events: none; }
.menu-item.checked::before { content: '✓'; position: absolute; left: 8px; color: var(--accent); }
.mi-key { color: var(--muted); font-family: var(--mono); font-size: 11px; }
.menu-sep { height: 1px; background: var(--border); margin: 4px 0; }
.menu-header { font-size: 10.5px; color: var(--muted); padding: 5px 10px 2px; font-weight: 700; }
#toast { position: fixed; left: 50%; bottom: 60px; transform: translate(-50%, 20px); background: #1f2633; color: #fff; padding: 8px 16px; border-radius: 8px; opacity: 0; pointer-events: none; transition: all 0.2s; z-index: 300; max-width: 80vw; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3); }
#toast.show { opacity: 1; transform: translate(-50%, 0); }
#toast.ok { background: #166534; } #toast.warn { background: #92400e; } #toast.err { background: #991b1b; }
.preset-card { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; margin-bottom: 8px; background: var(--panel-2); }
.pc-name { font-weight: 700; font-size: 14px; }
.pc-desc { color: var(--muted); font-size: 12px; margin: 3px 0 8px; }
.pc-btns { display: flex; gap: 6px; flex-wrap: wrap; }
.help h3 { font-size: 14px; margin: 14px 0 6px; }
.help h3:first-child { margin-top: 0; }
.help ol { padding-left: 20px; margin: 4px 0; }
.key-table { border-collapse: collapse; width: 100%; font-size: 12.5px; }
.key-table td { border-bottom: 1px solid var(--border); padding: 3px 6px; vertical-align: top; }
.key-table td:first-child { white-space: nowrap; color: var(--accent); width: 42%; }
.check-item { padding: 4px 6px; border-bottom: 1px solid var(--border); cursor: pointer; font-size: 12.5px; }
.check-item:hover { background: var(--accent-soft); }
.cmt-grid { display: grid; grid-template-columns: 60px 1fr; gap: 4px 8px; align-items: center; }
.cmt-grid input { padding: 3px 6px; border: 1px solid var(--border); border-radius: 4px; background: var(--panel); }
.err-pre { white-space: pre-wrap; color: var(--danger); margin: 0; }
.fatal { position: fixed; inset: auto 10px 10px 10px; background: #991b1b; color: #fff; padding: 12px; border-radius: 8px; z-index: 999; white-space: pre-wrap; }

/* ───────── 반응형 ───────── */
@media (max-width: 1100px) {
  .scan-info, .proj-name { display: none; }
  #side { width: 210px; }
}
@media (max-width: 900px) {
  .topbar { flex-wrap: wrap; height: auto; padding: 6px 8px; row-gap: 4px; }
  .menubar { order: 3; width: 100%; overflow-x: auto; }
  .runbar { margin-left: auto; }
  #main.mode-split { grid-template-columns: 0 0 1fr; }
  #main.mode-split #ladder-pane, #main.mode-split #splitter { display: none; }
  .mech-body { flex-direction: column; }
  #side { width: auto; height: 38%; border-left: 0; border-top: 1px solid var(--border); }
  #dock { height: 170px; }
  .mon-cols { grid-template-columns: 1fr; }
  .brand-name { display: none; }
}
@media (max-width: 560px) {
  .viewmode button { padding: 4px 7px; }
  .rb { padding: 4px 7px; }
  #speed { display: none; }
}

/* 래더 편집 강조 버튼 / 상태바 안내 */
.tb.accent { border-color: var(--accent); color: var(--accent); }
.tb.accent:hover { background: var(--accent); color: #fff; }
.tb.accent:hover .tb-key { color: #dbe6ff; }
.ld-status .st-help { color: var(--accent); }

/* ───────── GOT-2000 ───────── */
.got-dlg .modal-body { padding: 10px 12px; }
.got-tabs { display: flex; gap: 3px; align-items: center; flex-wrap: wrap; margin-bottom: 6px; }
.got-tab { padding: 4px 14px; border: 1px solid var(--border); border-radius: 6px 6px 0 0; background: var(--panel-2); cursor: pointer; font-size: 12px; color: var(--muted); }
.got-tab.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; border-color: var(--accent); }
.got-tab-add { border: 1px solid var(--border); background: var(--panel); border-radius: 5px; cursor: pointer; padding: 3px 8px; }
.got-addbar { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.got-edit-body { display: flex; gap: 12px; align-items: flex-start; }
.got-canvas-wrap { flex: none; width: 640px; max-width: 62vw; }
.got-canvas { display: block; border: 2px solid var(--border-strong); border-radius: 6px; background: #141b26; cursor: pointer; touch-action: none; }
.got-props { flex: 1; min-width: 210px; max-height: 500px; overflow: auto; border-left: 1px solid var(--border); padding-left: 12px; }
.got-live-wrap { display: flex; justify-content: center; align-items: flex-start; height: calc(100% - 34px); min-height: 150px; }
.got-live { border: 3px solid #2b2f36; border-radius: 8px; background: #141b26; cursor: pointer; touch-action: none; box-shadow: 0 4px 16px rgba(0,0,0,0.25); }
.keypad-dlg .kp-disp { background: #0a0f18; color: #4ade80; font-size: 30px; text-align: right; padding: 8px 12px; border-radius: 6px; margin: 8px 0; letter-spacing: 2px; }
.kp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.kp-key { padding: 12px 0; font-size: 18px; font-weight: 600; border: 1px solid var(--border-strong); border-radius: 6px; background: var(--panel-2); cursor: pointer; }
.kp-key:hover { background: var(--accent-soft); border-color: var(--accent); }

/* ───────── PLC 구성 ───────── */
.plc-info { background: #2d3646; border: 1px solid #3a4557; color: var(--top-text); padding: 3px 9px; border-radius: 5px; cursor: pointer; font-size: 11.5px; font-family: var(--mono); white-space: nowrap; }
.plc-info:hover { background: #38445a; border-color: var(--accent); }
.plc-head { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 10px; }
.plc-head select { width: 100%; padding: 5px 6px; border: 1px solid var(--border); border-radius: 5px; background: var(--panel); }
.plc-spec { font-size: 11.5px; color: var(--muted); margin: 6px 0 10px; padding: 6px 8px; background: var(--panel-2); border-radius: 5px; }
.plc-table { border-collapse: collapse; width: 100%; font-size: 12px; }
.plc-table th { text-align: left; color: var(--muted); font-weight: 600; border-bottom: 1px solid var(--border); padding: 4px 6px; }
.plc-table td { border-bottom: 1px solid var(--border); padding: 3px 6px; vertical-align: middle; }
.plc-table select { width: 100%; max-width: 280px; padding: 3px 5px; border: 1px solid var(--border); border-radius: 4px; background: var(--panel); font-size: 12px; }
.plc-table tr.int-row td { background: color-mix(in srgb, var(--accent) 7%, transparent); }
.plc-sum { display: flex; justify-content: space-between; gap: 12px; margin-top: 10px; font-size: 12.5px; flex-wrap: wrap; }
.warn-text { color: var(--danger); }
.plc-issues { margin-top: 8px; padding: 8px 10px; border: 1px solid var(--warn); border-radius: 6px; background: color-mix(in srgb, var(--warn) 10%, transparent); font-size: 12px; }
.plc-ok { margin-top: 8px; color: var(--ok); font-size: 12.5px; }
.io-cfg { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; font-size: 11.5px; color: var(--muted); margin-bottom: 6px; padding: 5px 8px; background: var(--panel-2); border-radius: 5px; }
.io-cfg b { color: var(--text); }
.io-cfg .slot-chip { font-family: var(--mono); padding: 1px 6px; border: 1px solid var(--border); border-radius: 4px; background: var(--panel); }
.io-cfg .slot-chip.int { border-color: var(--accent); color: var(--accent); }
.io-table tr.bad td { background: color-mix(in srgb, var(--danger) 12%, transparent); }
.io-table .badge-bad { color: var(--danger); font-size: 11px; }

/* MPS 그룹 패널 */
.grp-list { display: flex; flex-direction: column; gap: 3px; margin: 4px 0 8px; }
.grp-item {
  display: flex; align-items: center; gap: 6px; width: 100%; text-align: left;
  padding: 5px 8px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--panel); color: inherit; font: inherit; cursor: pointer;
}
.grp-item:hover { background: var(--panel-2); border-color: var(--accent); }
.prop-actions.col { flex-direction: column; align-items: stretch; }
.prop-actions.col .btn { width: 100%; }