/* PLC 에디터 화면 */
.ed-body { overflow: hidden; }
.ed-layout { display: grid; grid-template-columns: minmax(360px, 1fr) 5px var(--out-w, 430px); grid-template-rows: auto minmax(0, 1fr); height: 100vh; overflow: hidden; }
.ed-top { grid-column: 1 / 4; display: flex; align-items: center; gap: 6px; padding: 7px 10px; border-bottom: 1px solid var(--line); background: var(--pane); flex-wrap: wrap; }
.ed-top .brand-logo { width: 32px; height: 32px; font-size: 18px; }
.ed-title { font-weight: 700; font-size: 14px; padding: 4px 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--card2); min-width: 160px; }
.ed-main { display: flex; flex-direction: column; min-width: 0; min-height: 0; background: var(--bg); }
.ed-side { min-width: 0; min-height: 0; background: #0d1117; }
.ed-tabs { display: flex; align-items: center; gap: 2px; padding: 5px 8px 0; background: var(--pane); border-bottom: 1px solid var(--line); }
.ed-tabs .tab { border: 1px solid transparent; border-bottom: none; background: transparent; color: var(--muted); font-weight: 600; font-size: 13px; padding: 5px 12px; border-radius: 8px 8px 0 0; cursor: pointer; }
.ed-tabs .tab.active { background: var(--bg); color: var(--fg); border-color: var(--line); margin-bottom: -1px; }
.ed-msg { font-size: 12.5px; color: var(--muted); padding-right: 8px; }
.ed-msg.bad { color: var(--danger); }
.ed-msg.ok { color: var(--ok); }
.ed-pane { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.ed-pane.hidden { display: none; }
.ed-ladder { flex: 1; min-height: 0; }
.ed-text { flex: 1; min-height: 0; width: 100%; border: none; resize: none; padding: 10px 14px; background: var(--code-bg); color: var(--fg); font: 13.5px/1.6 var(--mono); outline: none; }
.ed-rack { flex: 1; min-height: 0; display: grid; grid-template-columns: minmax(340px, 2fr) minmax(200px, 1fr); }
@media (max-width: 1100px) { .ed-rack { grid-template-columns: 1fr; grid-template-rows: 1fr auto; } .ed-rack .ed-text { max-height: 30%; } }
.rack-form { overflow: auto; padding: 10px 14px; display: flex; flex-direction: column; gap: 8px; font-size: 13px; }
.rack-form .row { display: flex; align-items: center; gap: 6px; }
.rack-form .row > label { min-width: 62px; color: var(--muted); font-weight: 600; }
.rack-form select, .rack-form input { padding: 3px 6px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--fg); font: 12.5px var(--mono); }
.rack-form .xy { font: 11.5px var(--mono); color: var(--muted); min-width: 110px; }
.rack-form .desc { font-size: 11.5px; color: var(--muted); }
.rack-slots { display: flex; flex-direction: column; gap: 4px; margin: 4px 0; }
.slot-row { display: flex; align-items: center; gap: 6px; padding: 5px 6px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); flex-wrap: wrap; }
.slot-row.empty { background: var(--card2); opacity: .8; }
.slot-row .sn { font-size: 11.5px; font-weight: 700; color: var(--muted); min-width: 48px; }
.slot-row select { flex: 1; min-width: 150px; }
.slot-row .info { flex-basis: 100%; padding-left: 54px; }
.slot-row .acts { display: flex; gap: 2px; margin-left: auto; }
.slot-row .acts .btn { padding: 2px 7px; }
.ed-testout { max-height: 40%; overflow: auto; padding: 8px 14px; border-top: 1px solid var(--line); background: var(--card); font-size: 13px; }
.ed-testout .ok { color: var(--ok); }
.ed-testout .bad { color: var(--danger); }
.ed-plant { height: 34%; min-height: 80px; border-top: 1px solid var(--line); }
.hgutter { height: 5px; cursor: row-resize; background: var(--line); opacity: .6; flex: none; }
.hgutter:hover, .hgutter.drag { background: var(--accent); opacity: 1; }
.ed-layout > .gutter { grid-row: 2; grid-column: 2; }
.ed-main { grid-row: 2; grid-column: 1; }
.ed-side { grid-row: 2; grid-column: 3; }
.sample-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.sample-list button { text-align: left; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); cursor: pointer; }
.sample-list button:hover { border-color: var(--accent); }
.sample-list b { display: block; font-size: 13.5px; }
.sample-list span { font-size: 12px; color: var(--muted); }
@media (max-width: 900px) {
  .ed-layout { grid-template-columns: 1fr 0 0; }
  .ed-side, .ed-layout .gutter { display: none; }
}