/* YanChan Ops PCBA workspace (alpha26). Built on the app.css tokens; 12px minimum text.
   Layout: project header → 7-step SOP rail → guidance bar → step body. */

/* ---------- workspace header ---------- */
.pcba-space { max-width: none; }
.pcba-workspace-page { gap: 16px; }
.ws-head { display: flex; gap: 16px; align-items: flex-start; flex-wrap: wrap; }
.ws-head .grow { display: flex; flex-direction: column; gap: 6px; flex: 1 1 340px; }
.ws-head h1 { margin: 0; font-size: var(--fs-xl); font-weight: 650; line-height: 1.25; }
.ws-version { font: 600 var(--fs-md) var(--mono); color: var(--copper); vertical-align: 3px; margin-left: 4px; }
.ws-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.ws-meta { margin: 0; color: var(--text-2); font-size: var(--fs-sm); font-variant-numeric: tabular-nums; }
.ws-notes { margin: 0; color: var(--muted); font-size: var(--fs-sm); max-width: 90ch; }
.ws-head .actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.ws-body { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.ws-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; align-items: start; }

/* "More" menu built on <details> */
.menu { position: relative; }
.menu > summary { list-style: none; }
.menu > summary::-webkit-details-marker { display: none; }
.menu-list { position: absolute; right: 0; top: calc(100% + 6px); z-index: 20; min-width: 190px; display: flex; flex-direction: column; padding: 6px; background: var(--panel); border: 1px solid var(--border); border-radius: var(--r); box-shadow: var(--shadow); }
.menu-list .btn { justify-content: flex-start; width: 100%; }
.menu-list .btn.danger { border-color: transparent; }

/* ---------- 7-step SOP rail ---------- */
.sop { display: grid; grid-template-columns: repeat(7, minmax(126px, 1fr)); gap: 8px; overflow-x: auto; padding-bottom: 2px; }
.step { position: relative; display: flex; flex-direction: column; gap: 3px; min-width: 0; padding: 11px 12px 10px; text-align: left; border: 1px solid var(--border); border-radius: var(--r); background: var(--panel); color: var(--text); }
.step:hover { border-color: var(--border-strong); }
.step .no { display: flex; align-items: center; gap: 7px; font-size: var(--fs-xs); color: var(--muted); }
.step .no i { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; border: 1.5px solid var(--border-strong); font: 600 var(--fs-xs) var(--mono); font-style: normal; color: var(--muted); flex: none; }
.step b { font-size: var(--fs); font-weight: 600; }
.step .s { font-size: var(--fs-xs); color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.step.done .no i { background: var(--good); border-color: var(--good); color: #fff; }
.step.done .s { color: var(--good); }
.step.warn .s { color: var(--warn); }
.step.now { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-bg); }
.step.now .no i { border-color: var(--accent); color: var(--accent); }
.step[aria-current="step"] { background: var(--accent-bg); border-color: var(--accent); }
.step[aria-current="step"]::after { content: ''; position: absolute; left: 50%; bottom: -9px; width: 12px; height: 12px; transform: translateX(-50%) rotate(45deg); background: var(--accent-bg); border-right: 1px solid var(--accent); border-bottom: 1px solid var(--accent); }

/* guidance bar: what this step is for, and the next move */
.nextbar { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-radius: var(--r-lg); background: var(--panel); border: 1px solid var(--border); flex-wrap: wrap; }
.nextbar .ic { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-bg); color: var(--accent); flex: none; }
.nextbar .txt { flex: 1; min-width: 220px; }
.nextbar .txt b { display: block; }
.nextbar .txt span { color: var(--text-2); font-size: var(--fs-sm); }
.checklist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: var(--fs-sm); }
.checklist li { display: flex; gap: 10px; align-items: flex-start; }
.checklist .ok { color: var(--good); }
.checklist .warn { color: var(--warn); }

/* ---------- import ---------- */
.pcba-import-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.pcba-drop { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 26px 18px; text-align: center; border: 1.5px dashed var(--border-strong); border-radius: var(--r-lg); background: var(--panel); cursor: pointer; transition: background .12s, border-color .12s; }
.pcba-drop:hover { border-color: var(--accent); }
.pcba-drop.dragover { border-color: var(--accent); background: var(--accent-bg); }
.pcba-drop > div { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; background: var(--accent-bg); color: var(--accent); margin-bottom: 6px; }
.pcba-drop b { font-size: var(--fs-md); }
.pcba-drop span { font-size: var(--fs-sm); color: var(--text-2); }
.pcba-drop small { font-size: var(--fs-xs); color: var(--muted); }
.pcba-import-grid.imported .pcba-drop { flex-direction: row; text-align: left; padding: 12px 16px; gap: 12px; }
.pcba-import-grid.imported .pcba-drop > div { margin: 0; width: 34px; height: 34px; }
.pcba-import-grid.imported .pcba-drop b { font-size: var(--fs); }
.pcba-import-grid.imported .pcba-drop small { display: none; }
.pcba-import-stats { display: flex; gap: 20px; flex-wrap: wrap; padding: 6px 0 12px; font-size: var(--fs-sm); color: var(--muted); }
.pcba-import-stats b { font-size: var(--fs-lg); color: var(--text); margin-right: 6px; }
.pcba-diff-summary { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; margin: 10px 0; }
.pcba-diff-summary > span { padding: 9px; text-align: center; font-size: var(--fs-xs); color: var(--muted); border: 1px solid var(--border); border-radius: var(--r-sm); background: var(--surface); }
.pcba-diff-summary b { display: block; font-size: var(--fs-lg); color: var(--text); font-variant-numeric: tabular-nums; }
.pcba-layer-list { display: flex; flex-direction: column; gap: 8px; margin: 12px 0; }
.pcba-layer-list label { display: flex; align-items: center; gap: 12px; padding: 11px 12px; border: 1px solid var(--border); border-radius: var(--r); cursor: pointer; }
.pcba-layer-list label:has(input:checked) { background: var(--selected); border-color: var(--accent); }
.pcba-layer-list b { display: block; font-size: var(--fs-sm); }
.pcba-layer-list small { display: block; font-size: var(--fs-xs); color: var(--muted); margin-top: 3px; }
.pcba-source-details > summary { cursor: pointer; padding: 13px 18px; font-weight: 600; }
.pcba-source-details > summary .muted { font-weight: 400; margin-left: 6px; }
.pcba-source-details[open] > summary { border-bottom: 1px solid var(--border); }

/* ---------- binding workbench ---------- */
.pcba-workbench { overflow: hidden; }
.pcba-title-line { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
/* alpha36 D-3: the coordinate-column switch; the export details moved into the export button's tooltip. */
.pcba-coord-toggle { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-sm); color: var(--text-2); cursor: pointer; white-space: nowrap; }
.pcba-coord-toggle input { width: 16px; height: 16px; margin: 0; }
.pcba-filter { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 10px 14px; border-bottom: 1px solid var(--border); }
.pcba-filter > .input { flex: 1; min-width: 220px; max-width: 420px; }
.pcba-filter > .select { width: 160px; }
.pcba-workspace { display: grid; grid-template-columns: 236px minmax(0, 1fr); min-width: 0; }
.pcba-workspace-main { min-width: 0; }
.pcba-spec-sidebar { display: flex; flex-direction: column; min-width: 0; max-height: 700px; background: var(--surface); border-right: 1px solid var(--border); }
.pcba-spec-title { display: flex; align-items: center; justify-content: space-between; padding: 11px 12px; font-size: var(--fs-sm); font-weight: 600; border-bottom: 1px solid var(--border); }
.pcba-spec-title span { font-size: var(--fs-xs); color: var(--muted); font-weight: 400; }
#pcba-spec-list { overflow: auto; flex: 1; min-height: 0; scrollbar-width: thin; }
.pcba-spec-item { display: flex; flex-direction: column; align-items: flex-start; gap: 3px; width: 100%; padding: 9px 12px; text-align: left; border: 0; border-bottom: 1px solid var(--border); background: transparent; color: var(--text); }
.pcba-spec-item:hover { background: var(--hover); }
.pcba-spec-item.active { background: var(--selected); box-shadow: inset 3px 0 var(--accent); }
.pcba-spec-item b { font-size: var(--fs-sm); font-weight: 600; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pcba-spec-item small { font-size: var(--fs-xs); color: var(--muted); max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pcba-spec-item > span:last-child { font-size: var(--fs-xs); color: var(--muted); }
.pcba-spec-pkg { display: flex; align-items: center; gap: 6px; min-width: 0; max-width: 100%; color: var(--text-2); }
.pcba-spec-pkg > svg { flex: none; }
.pcba-spec-tip { padding: 9px 12px; font-size: var(--fs-xs); color: var(--muted); line-height: 1.5; border-top: 1px solid var(--border); }
.pcba-package-chip { display: inline-flex; max-width: 100%; padding: 1px 6px; border: 1px solid var(--border-strong); border-radius: 4px; background: var(--panel); color: var(--text-2); font: 600 var(--fs-xs)/1.6 var(--mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; vertical-align: middle; }
.pcba-bulk { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; padding: 9px 12px; background: var(--surface); border-bottom: 1px solid var(--border); font-size: var(--fs-sm); }
.pcba-bulk b { color: var(--accent); }
.pcba-bulk > div { display: flex; gap: 6px; flex-wrap: wrap; }
.pcba-bulk .btn { min-height: 32px; padding: 0 10px; font-size: var(--fs-xs); }
.pcba-selection-specs { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; min-height: 34px; padding: 6px 12px; font-size: var(--fs-xs); color: var(--muted); border-bottom: 1px solid var(--border); }
.pcba-selection-specs > span { display: inline-flex; gap: 4px; align-items: center; }
.pcba-risk { color: var(--bad); font-weight: 600; }
.pcba-excluded { color: var(--muted); }
.pcba-comment-suffix { display: block; font-size: var(--fs-xs); color: var(--accent); }
.pcba-current-binding { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pcba-current-binding > span { margin-right: auto; font-size: var(--fs-sm); }
.pcba-coordinate-fields { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pcba-binding-compare { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 12px; }
.pcba-binding-compare > div { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; min-width: 0; padding: 12px; border: 1px solid var(--border); border-radius: var(--r); background: var(--surface); }
.pcba-binding-compare small { font-size: var(--fs-xs); color: var(--muted); }
.pcba-binding-compare b { font-size: var(--fs); overflow-wrap: anywhere; }
.pcba-binding-compare > div > span:last-child { font-size: var(--fs-sm); color: var(--text-2); overflow-wrap: anywhere; }
.pcba-spec-choice { display: flex; flex-direction: column; gap: 8px; }
.pcba-spec-choice .btn { justify-content: flex-start; white-space: normal; min-height: 44px; text-align: left; }
.pcba-spec-choice .btn > b { margin-left: auto; white-space: nowrap; }
.pcba-over-receipt { display: flex; align-items: flex-start; gap: 8px; margin: 12px 0; font-size: var(--fs-sm); color: var(--text-2); line-height: 1.6; }
.pcba-over-receipt input { flex: none; margin-top: 3px; }
/* alpha36 D-3: both sides of the binding confirmation show their pictogram / photo with the readable package name. */
.pcba-binding-visual { display: flex; align-items: center; gap: 10px; min-width: 0; color: var(--text-2); }
.pcba-binding-icon { display: grid; place-items: center; flex: none; width: 56px; height: 56px; border: 1px solid var(--border); border-radius: var(--r-sm); background: var(--panel); color: var(--text-2); }
.pcba-pkg-label { font-size: var(--fs-sm); font-weight: 600; color: var(--text); overflow-wrap: anywhere; }
/* alpha36 D-1: SMT characters the machine cannot show, one item per designator / column; substitutions after a successful export. */
.pcba-gbk-list { list-style: none; margin: 12px 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.pcba-gbk-list > li { display: flex; flex-direction: column; gap: 6px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--r); background: var(--surface); }
.pcba-gbk-list > li.is-fixed { border-color: color-mix(in srgb, var(--good) 45%, var(--border)); background: var(--good-bg); }
.pcba-gbk-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pcba-gbk-head > b { font: 600 var(--fs) var(--mono); }
.pcba-gbk-head small { font-size: var(--fs-xs); color: var(--muted); }
.pcba-gbk-head .btn { margin-left: auto; }
.pcba-gbk-text { display: block; padding: 6px 8px; border-radius: var(--r-sm); background: var(--panel); color: var(--text); font: var(--fs-sm)/1.6 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; }
.pcba-gbk-text mark { padding: 0 2px; border-radius: 3px; background: var(--bad-bg); color: var(--bad); font-weight: 600; }
.pcba-gbk-chars { display: flex; gap: 6px; flex-wrap: wrap; }
.pcba-gbk-chars .chip b { font-size: var(--fs-sm); }
.pcba-gbk-pair { font: 600 var(--fs-md) var(--mono); }
.pcba-gbk-list > li > small { font-size: var(--fs-xs); color: var(--muted); }

/* ---------- virtual grid ---------- */
.pcba-grid { width: 100%; overflow: hidden; background: var(--panel); }
.pcba-grid-scroll { position: relative; overflow: auto; min-height: 90px; max-height: 680px; user-select: none; scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; scroll-padding-top: 38px; }
.pcba-grid-head { position: sticky; top: 0; z-index: 3; display: grid; height: 36px; background: var(--panel2); border-bottom: 1px solid var(--border); color: var(--muted); font-size: var(--fs-xs); font-weight: 500; }
.pcba-grid-head > div { padding: 10px 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pcba-grid-spacer { position: relative; }
.pcba-grid-rows { position: absolute; top: 0; left: 0; right: 0; }
.pcba-grid-row { display: grid; align-items: center; background: var(--panel); border-bottom: 1px solid var(--border); font-size: var(--fs-sm); cursor: pointer; scroll-margin: 110px 0 40px; }
.pcba-grid-row:hover { background: var(--hover); }
.pcba-grid-row.selected { background: var(--selected); box-shadow: inset 3px 0 var(--accent); }
.pcba-grid-row > div { padding: 0 10px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-variant-numeric: tabular-nums; }
.pcba-grid-row .chip { min-height: 22px; font-size: var(--fs-xs); padding: 1px 7px; }
.pcba-grid-row .btn { min-height: 26px; font-size: var(--fs-xs); padding: 0 8px; }
/* alpha36 D-3: material cell = thumbnail / pictogram + code (opens the drawer) + model on line 1, package and name on line 2. */
.pcba-mat-cell { display: flex; align-items: center; gap: 8px; min-width: 0; height: 100%; }
.pcba-mat-cell > .mthumb, .pcba-pick-name > .mthumb { flex: none; }
.pcba-mat-text { display: flex; flex-direction: column; justify-content: center; gap: 3px; min-width: 0; line-height: 1.3; }
.pcba-mat-l1, .pcba-mat-l2 { display: flex; align-items: center; gap: 6px; min-width: 0; white-space: nowrap; overflow: hidden; }
.pcba-mat-l1 b { min-width: 0; overflow: hidden; text-overflow: ellipsis; font-weight: 600; }
.pcba-mat-l2 { font-size: var(--fs-xs); color: var(--muted); }
.pcba-mat-l2 > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.pcba-mat-code { flex: none; }
.pcba-mat-code .code { padding: 2px 6px 2px 5px; }
.pcba-pick-name { display: flex; align-items: center; gap: 8px; min-width: 0; }
.pcba-pick-name > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
/* Review C10: the extras dialog names its material with the thumbnail and a code that opens the drawer (stacked). */
.pcba-extra-head { display: flex; align-items: center; gap: 10px; }
.pcba-extra-head > span { min-width: 0; overflow-wrap: anywhere; }
/* Review C7: why an unlisted (ended / retired / deleted) version is shown and what can still change. */
.field > small[data-relink-note] { display: block; margin-top: 4px; font-size: var(--fs-xs); line-height: 1.5; }
.pcba-grid-empty { padding: 20px 16px; text-align: center; color: var(--muted); font-size: var(--fs-sm); }
.pcba-grid-foot { display: flex; justify-content: space-between; gap: 12px; padding: 8px 12px; font-size: var(--fs-xs); color: var(--muted); border-top: 1px solid var(--border); background: var(--panel2); }
.pcba-checkbox { display: flex; align-items: center; justify-content: center; padding: 0 !important; }
.pcba-checkbox input, .pcba-order-check input, .pcba-layer-list input { width: 16px; height: 16px; margin: 0; flex: none; cursor: pointer; }
.pcba-order-check { display: flex; align-items: center; gap: 6px; font-size: var(--fs-xs); cursor: pointer; }
.pcba-selection-box { position: fixed; z-index: 200; pointer-events: none; border: 1px solid var(--accent); background: color-mix(in srgb, var(--accent) 16%, transparent); }
.pcba-inline { width: 100%; min-width: 0; height: 28px; padding: 3px 6px; font: var(--fs-sm) var(--mono); color: var(--text); background: transparent; border: 1px solid transparent; border-bottom-color: var(--border); border-radius: 4px; }
.pcba-inline:hover { border-color: var(--border); background: var(--panel); }
.pcba-inline:focus { outline: 0; border-color: var(--accent); background: var(--panel); box-shadow: 0 0 0 3px var(--accent-bg); }
.pcba-inline.invalid { background: var(--bad-bg); border-color: var(--bad); }
.pcba-inline.saved:not(:focus) { border-bottom-color: var(--good); }
.pcba-inline::placeholder { color: var(--warn); opacity: 1; }
.pcba-money { display: inline-block; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: bottom; font-variant-numeric: tabular-nums; }
.pcba-locked { color: var(--info); font-variant-numeric: tabular-nums; }
.pcba-in-transit { color: var(--warn); font-variant-numeric: tabular-nums; }
.pcba-record { display: grid; grid-template-columns: 140px minmax(0, 1fr); margin: 12px 0; border: 1px solid var(--border); border-radius: var(--r); overflow: hidden; font-size: var(--fs-sm); }
.pcba-record dt, .pcba-record dd { margin: 0; padding: 8px 12px; border-bottom: 1px solid var(--border); overflow-wrap: anywhere; line-height: 1.6; }
.pcba-record dt { color: var(--muted); background: var(--surface); }
.pcba-dialog pre, .pcba-space pre { font: var(--fs-xs)/1.7 var(--mono); white-space: pre-wrap; word-break: break-word; background: var(--surface); color: var(--text-2); padding: 12px; border-radius: var(--r-sm); max-height: 360px; overflow: auto; }
.pcba-picker-pages { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 10px 14px; font-size: var(--fs-sm); }
.pcba-picker-pages > span:first-child { margin-right: auto; color: var(--muted); }
.pcba-dialog .pcba-grid { border: 1px solid var(--border); border-radius: var(--r-sm); }
.pcba-progress { position: fixed; top: calc(var(--topbar-h) + 12px); left: 50%; transform: translateX(-50%); z-index: 150; display: flex; align-items: center; gap: 10px; max-width: 90vw; padding: 10px 16px; font-size: var(--fs-sm); color: var(--text); background: var(--panel); border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow); }
.pcba-spinner { width: 16px; height: 16px; border: 2px solid var(--border-strong); border-top-color: var(--accent); border-radius: 50%; animation: pcba-spin .8s linear infinite; flex: none; }
@keyframes pcba-spin { to { transform: rotate(360deg); } }

/* ---------- KPI tiles kept for project pages ---------- */
.pcba-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--panel); overflow: hidden; }
.pcba-stats.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pcba-stat { padding: 13px 16px; border-right: 1px solid var(--border); min-width: 0; }
.pcba-stat:last-child { border-right: 0; }
.pcba-stat > span { display: block; font-size: var(--fs-xs); color: var(--muted); }
.pcba-stat strong { display: block; margin: 2px 0; font-size: var(--fs-lg); font-weight: 650; font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pcba-stat small { display: block; font-size: var(--fs-xs); color: var(--muted); line-height: 1.5; overflow-wrap: anywhere; }
.pcba-stat.accent strong { color: var(--accent); }
.pcba-stat.amber strong { color: var(--warn); }
.pcba-stat.purple strong { color: var(--info); }
.pcba-stat.teal strong { color: var(--accent); }

/* ---------- cost ---------- */
.pcba-cost-layout { display: grid; grid-template-columns: minmax(420px, 1.05fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.pcba-cost-layout h4 { margin: 14px 0 10px; padding-top: 12px; border-top: 1px solid var(--border); font-size: var(--fs-sm); }
.pcba-cost-layout h4:first-child, .pcba-cost-layout [data-cost-section] > h4:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.pcba-cost-layout .form-grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.pcba-cost-layout [data-mode][hidden] { display: none; }
.pcba-cost-section-tabs { display: flex; gap: 2px; padding: 3px; margin-bottom: 14px; border-radius: 10px; background: var(--sunken); }
.pcba-cost-section-tabs .btn { flex: 1; border: 0; background: transparent; min-height: 32px; }
.pcba-cost-section-tabs .btn.active { background: var(--panel); color: var(--text); font-weight: 600; box-shadow: 0 1px 2px rgba(0, 0, 0, .08); }
.pcba-form-note { margin: 4px 0 12px; font-size: var(--fs-xs); color: var(--muted); line-height: 1.65; }
.pcba-channel, .pcba-tier { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; align-items: end; gap: 8px; padding: 8px; margin-bottom: 6px; border: 1px solid var(--border); border-radius: var(--r-sm); background: var(--surface); }
.pcba-channel .field, .pcba-tier .field { margin: 0; }
.pcba-cost-save { position: sticky; bottom: 0; z-index: 4; margin: 14px -18px -16px !important; padding: 10px 18px; background: var(--panel2); border-top: 1px solid var(--border); border-radius: 0 0 var(--r-lg) var(--r-lg); }
.pcba-cost-layout #pcba-cost-output { display: flex; flex-direction: column; gap: 16px; position: sticky; top: calc(var(--topbar-h) + 12px); max-height: calc(100vh - var(--topbar-h) - 24px); overflow: auto; scrollbar-width: thin; }
.pcba-cost-breakdown { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 22px; }
.pcba-cost-breakdown > div { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: var(--fs-sm); }
.pcba-cost-breakdown span { color: var(--muted); }
.pcba-cost-breakdown b { font-weight: 600; font-variant-numeric: tabular-nums; }
.pcba-price-channel { padding: 12px 14px; margin-bottom: 10px; border: 1px solid var(--border); border-radius: var(--r); background: var(--surface); }
.pcba-price-channel > div:first-child { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.pcba-price-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 10px 0; }
.pcba-price-pair > span { font-size: var(--fs-xs); color: var(--muted); }
.pcba-price-pair strong { display: block; margin-top: 2px; font-size: var(--fs-lg); color: var(--accent); font-weight: 650; }
.pcba-tier-prices { display: flex; gap: 8px; flex-wrap: wrap; }
.pcba-tier-prices > span { flex: 1; min-width: 96px; padding: 9px 10px; font-size: var(--fs-xs); color: var(--muted); border: 1px solid var(--border); border-radius: var(--r-sm); background: var(--panel); }
.pcba-tier-prices b { display: block; margin: 3px 0; font-size: var(--fs-md); color: var(--text); }
.pcba-details { padding: 12px 14px; font-size: var(--fs-sm); color: var(--muted); border: 1px solid var(--border); border-radius: var(--r); }
.pcba-details summary { cursor: pointer; }
.pcba-channel-choice { display: flex; align-items: center; gap: 8px; margin-left: auto; font-size: var(--fs-sm); color: var(--muted); }
.pcba-channel-choice .select { width: auto; max-width: 240px; }

/* ---------- capacity & plans ---------- */
.pcba-capacity-note { margin-top: 12px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--r); background: var(--surface); }
.pcba-capacity-note > div:first-child { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.pcba-capacity-note b { font-size: var(--fs-sm); }
.pcba-capacity-note p { margin: 6px 0; font-size: var(--fs-sm); color: var(--text-2); }
.pcba-shortage-list > div { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 2px 10px; align-items: center; padding: 6px 0; border-top: 1px solid var(--border); font-size: var(--fs-sm); }
.pcba-shortage-list > div > span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pcba-shortage-list small { grid-column: 2; font-size: var(--fs-xs); color: var(--warn); }
.pcba-plan { border-top: 1px solid var(--border); }
.pcba-plan:first-child { border-top: 0; }
.pcba-plan > summary { list-style: none; cursor: pointer; position: relative; padding-left: 34px; }
.pcba-plan > summary::-webkit-details-marker { display: none; }
.pcba-plan > summary::before { content: '›'; position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 18px; transition: transform .15s; }
.pcba-plan[open] > summary::before { transform: translateY(-50%) rotate(90deg); }
.pcba-plan-title { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 11px 16px; font-size: var(--fs-sm); background: var(--surface); }
.pcba-plan-title span, .pcba-plan-title small { color: var(--text-2); }
.pcba-plan-title small { margin-left: auto; color: var(--muted); }
.pcba-plan-controls { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 10px 16px; border-bottom: 1px solid var(--border); }
.pcba-plan-controls .small { margin-left: auto; }
.pcba-stock-legend { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; font-size: var(--fs-sm); color: var(--muted); }
.pcba-stock-legend span { display: flex; align-items: center; gap: 6px; }
.pcba-stock-legend i { width: 8px; height: 8px; border-radius: 2px; background: var(--muted); }
.pcba-stock-legend i.locked { background: var(--info); }
.pcba-stock-legend i.free { background: var(--accent); }
.pcba-stock-legend i.ordered { background: var(--warn); }
.pcba-procure-summary { display: flex; justify-content: space-between; gap: 14px; align-items: center; flex-wrap: wrap; padding: 12px; margin-bottom: 12px; border: 1px solid var(--border); border-radius: var(--r); background: var(--surface); }
.pcba-procure-summary > div { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: var(--fs-sm); }
.pcba-procure-summary b { font-size: var(--fs-md); }
.pcba-procure-actions { margin-top: 12px; }
.pcba-procure-actions > span { margin-left: auto; }
.pcba-allocation-table { max-height: 300px; overflow: auto; border: 1px solid var(--border); border-radius: var(--r-sm); }
.pcba-allocation-table .table { min-width: 620px; }
.pcba-allocation-table .input { max-width: 150px; }
.pcba-allocation-summary { padding: 10px 0; font-size: var(--fs-sm); font-weight: 600; color: var(--accent); }
.pcba-allocation-summary.pcba-risk { color: var(--bad); }
.pcba-valuation-panel .panel-head { flex-wrap: wrap; }
.pcba-valuation-stats { margin: 0; }
/* alpha27: amount → contribution pairs (finished goods + project valuation) */
.val-pair-row { display: flex; align-items: flex-end; gap: 8px 10px; flex-wrap: wrap; margin: 4px 0 3px; }
.val-pair-row > div { min-width: 0; }
.val-pair-row small { display: block; font-size: var(--fs-xs); color: var(--muted); white-space: nowrap; }
.val-pair-row strong { display: block; font-size: var(--fs-md); font-weight: 650; font-variant-numeric: tabular-nums; line-height: 1.35; white-space: nowrap; }
.val-arrow { color: var(--muted); padding-bottom: 2px; }
.val-good { color: var(--good); }
.val-bad { color: var(--bad); }
.val-missing { color: var(--warn); font-size: var(--fs-sm); font-weight: 500; }
.fg-channel-bar { margin-bottom: 12px; }
.fg-table { min-width: 1000px; }
.fg-table td { vertical-align: top; }
.fg-table td small { display: block; margin-top: 2px; color: var(--muted); font-size: var(--fs-xs); }
.fg-table .link-btn { text-align: left; }
.fg-price b, .fg-total b, .fg-qty b { display: block; font-variant-numeric: tabular-nums; }
.fg-profit { display: block; margin-top: 2px; font-size: var(--fs-xs); font-variant-numeric: tabular-nums; color: var(--muted); }
.fg-profit.good { color: var(--good); }
.fg-profit.bad { color: var(--bad); }
.fg-profit i { font-style: normal; opacity: .8; }
.fg-qty .row-actions { justify-content: flex-end; flex-wrap: nowrap; margin-top: 6px; }
@media (max-width: 760px) {
  .fg-table { min-width: 0; }
  .fg-table.mobile-cards td.fg-price { display: inline-block; width: 33.33%; vertical-align: top; padding-right: 4px; }
  .fg-table .fg-qty .row-actions { justify-content: flex-start; }
}

/* ---------- portfolio (projects grouped by product) ---------- */
.pcba-portfolio-toolbar { display: flex; gap: 10px; flex-wrap: wrap; }
.pcba-portfolio-toolbar .grow { flex: 1; min-width: 200px; }
.pcba-portfolio-toolbar .select { width: auto; max-width: 240px; }
.pcba-portfolio-layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 16px; align-items: start; }
.pcba-portfolio-groups { position: sticky; top: calc(var(--topbar-h) + 12px); overflow: hidden; }
.pcba-portfolio-groups #pcba-project-list { max-height: calc(100vh - 320px); min-height: 180px; overflow: auto; scrollbar-width: thin; }
.pcba-group-item { display: flex; align-items: center; gap: 10px; width: 100%; padding: 12px 14px; text-align: left; color: var(--text); background: transparent; border: 0; border-bottom: 1px solid var(--border); }
.pcba-group-item:hover { background: var(--hover); }
.pcba-group-item.active { background: var(--selected); box-shadow: inset 3px 0 var(--accent); }
.pcba-group-item > span:nth-child(2) { flex: 1; min-width: 0; }
.pcba-group-item b { display: block; font-size: var(--fs); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pcba-group-item small, .pcba-group-item em { display: block; margin-top: 2px; font-size: var(--fs-xs); font-style: normal; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pcba-group-item > i { font-style: normal; color: var(--muted); }
.pcba-folder-icon { width: 34px; height: 34px; display: grid; place-items: center; flex: none; border-radius: 9px; background: var(--accent-bg); color: var(--accent); font-size: 18px; }
.pcba-group-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 16px 18px; border-bottom: 1px solid var(--border); }
.pcba-group-heading h3 { margin: 4px 0; font-size: var(--fs-lg); }
.pcba-group-heading p { margin: 0; font-size: var(--fs-sm); color: var(--muted); }
.pcba-eyebrow { font-size: var(--fs-xs); color: var(--muted); letter-spacing: .04em; }
.pcba-version-row { display: grid; grid-template-columns: minmax(180px, 1fr) minmax(260px, 1fr) auto; gap: 16px; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.pcba-version-row:hover { background: var(--hover); }
.pcba-version-info { min-width: 0; }
.pcba-version-name { margin: 6px 0 2px; padding: 0; border: 0; background: transparent; color: var(--text); font-size: var(--fs-md); font-weight: 650; text-align: left; }
.pcba-version-name:hover { color: var(--accent); }
.pcba-version-info p { margin: 2px 0; max-width: 320px; font-size: var(--fs-sm); color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pcba-version-info > small { font-size: var(--fs-xs); color: var(--muted); }
.pcba-version-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.pcba-version-metrics small { display: block; font-size: var(--fs-xs); color: var(--muted); }
.pcba-version-metrics b { display: block; margin-top: 2px; font-size: var(--fs-md); font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pcba-version-actions { display: flex; flex-direction: column; gap: 6px; }
.pcba-group-picker { display: flex; flex-direction: column; gap: 6px; max-height: 240px; overflow: auto; margin: 10px 0; }
.pcba-group-picker .btn { justify-content: space-between; }

/* ---------- alpha31 projects home: card | list toggle and the product-card grid ---------- */
.pc-view-bar { justify-content: space-between; }
.pc-view-note { flex: 1 1 240px; text-align: right; }
.project-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; padding: 16px; perspective: 1400px; }
@media (max-width: 760px) {
  .project-cards { grid-template-columns: minmax(0, 1fr); padding: 12px; }
  .pc-view-note { text-align: left; }
}

/* ---------- alpha35 备料核对 (stock check) ---------- */
.sc-summary { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.sc-rule { margin: 0 0 10px; line-height: 1.6; max-width: 110ch; }
.sc-table td > small { display: block; color: var(--muted); font-size: var(--fs-xs); margin-top: 2px; }
.sc-table td.sc-mat { min-width: 300px; max-width: 460px; }
.sc-where { margin-top: 4px !important; }
.sc-table td:last-child { min-width: 220px; }
.sc-actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-top: 6px; }
.sc-count-wrap { display: inline-flex; gap: 4px; align-items: center; }
.sc-count { width: 96px; min-height: 30px; padding: 4px 8px; }
.sc-low { color: var(--warn); }
.sc-ok > summary { cursor: pointer; padding: 8px 0; color: var(--text-2); }
/* Phones: each family is a card — name, then the five numbers in a 3-column grid, then status and actions full width. */
@media (max-width: 760px) {
  .table.mobile-cards.sc-table tr { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); padding: 10px 0; }
  .table.mobile-cards.sc-table td { padding: 4px 10px; }
  .table.mobile-cards.sc-table td:first-child, .table.mobile-cards.sc-table td:last-child { grid-column: 1 / -1; min-width: 0; }
  .sc-count { width: 88px; }
}
#pcba-stock-check[hidden] { display: none; }

/* ---------- alpha33 workspace cover: the effective cover as a drop zone (drag an image in, or click to choose) ---------- */
/* No overflow:hidden on the block itself: the camera menu's dropdown must escape the 200 px box; the image and the
   drop overlay clip themselves with border-radius: inherit instead. */
.ws-cover { position: relative; flex: 0 0 200px; width: 200px; aspect-ratio: 16 / 10; display: grid; place-items: center; border: 1px dashed var(--border-strong); border-radius: var(--r-lg); background: linear-gradient(135deg, var(--accent-bg), var(--sunken)); transition: border-color .15s ease, box-shadow .15s ease; }
.ws-cover.has-cover { border-style: solid; border-color: var(--border); }
.ws-cover[tabindex] { cursor: pointer; }
.ws-cover:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ws-cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; border-radius: inherit; }
.ws-cover-empty { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 10px; text-align: center; color: var(--text-2); font-size: var(--fs-sm); }
.ws-cover-empty b { font-weight: 600; }
.ws-cover-empty small { color: var(--muted); font-size: var(--fs-xs); }
.ws-cover-tag { position: absolute; left: 8px; bottom: 8px; padding: 2px 8px; border-radius: 999px; background: color-mix(in srgb, var(--panel) 85%, transparent); color: var(--text-2); font-size: var(--fs-xs); pointer-events: none; }
.ws-cover-menu { position: absolute; top: 6px; right: 6px; }
.ws-cover-menu .menu-list { min-width: 230px; max-width: calc(100vw - 48px); left: 0; right: auto; } /* opens to the right, over the title area, not over the rail */
.ws-cover.is-drop { border-color: var(--accent); border-style: solid; box-shadow: 0 0 0 3px var(--accent-bg); }
.ws-cover.is-drop::after { content: '松开即上传为本版本封面'; position: absolute; inset: 0; display: grid; place-items: center; padding: 8px; text-align: center; border-radius: inherit; background: color-mix(in srgb, var(--accent-bg) 88%, transparent); color: var(--accent); font-weight: 600; font-size: var(--fs-sm); pointer-events: none; }
@media (max-width: 760px) { .ws-cover { flex-basis: 100%; width: 100%; max-width: 360px; } .ws-cover-menu .menu-list { left: auto; right: 0; } }

/* ---------- AI candidate list inside binding dialogs ---------- */
.pcba-match-results { display: flex; flex-direction: column; gap: 12px; margin-top: 10px; }
.pcba-match-group { border: 1px solid var(--border); border-radius: var(--r); overflow: hidden; padding-bottom: 8px; }
.pcba-match-heading { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 10px 12px; background: var(--surface); border-bottom: 1px solid var(--border); }
.pcba-match-candidate { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: var(--fs-sm); }
.pcba-match-candidate.has-risk { border-left: 3px solid var(--warn); }

/* ---------- responsive ---------- */
@media (max-width: 1280px) {
  .pcba-cost-layout { grid-template-columns: minmax(360px, 1fr) minmax(0, 1fr); }
  .pcba-workspace { grid-template-columns: 200px minmax(0, 1fr); }
  .pcba-portfolio-layout { grid-template-columns: 250px minmax(0, 1fr); }
  .pcba-version-row { grid-template-columns: minmax(0, 1fr) auto; }
  .pcba-version-metrics { grid-row: 2; grid-column: 1 / -1; padding: 8px 10px; border-radius: var(--r-sm); background: var(--surface); }
  .pcba-version-actions { grid-column: 2; grid-row: 1; }
}
@media (max-width: 1024px) {
  .ws-two { grid-template-columns: minmax(0, 1fr); }
  .pcba-cost-layout { grid-template-columns: minmax(0, 1fr); }
  .pcba-cost-layout #pcba-cost-output { position: static; max-height: none; overflow: visible; }
  .pcba-cost-save { position: static; }
  .pcba-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pcba-stat:nth-child(2n) { border-right: 0; }
  .pcba-stat:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
  .pcba-diff-summary { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .ws-head h1 { font-size: 22px; }
  .sop { grid-template-columns: repeat(7, minmax(112px, 1fr)); }
  .pcba-import-grid { grid-template-columns: minmax(0, 1fr); }
  .pcba-workspace { grid-template-columns: minmax(0, 1fr); }
  .pcba-spec-sidebar { max-height: 200px; border-right: 0; border-bottom: 1px solid var(--border); }
  #pcba-spec-list { display: flex; overflow-x: auto; flex: none; }
  .pcba-spec-item { min-width: 150px; max-width: 190px; border-bottom: 0; border-right: 1px solid var(--border); }
  .pcba-spec-tip { display: none; }
  .pcba-filter > .input { min-width: 100%; max-width: none; }
  .pcba-binding-compare, .pcba-coordinate-fields { grid-template-columns: minmax(0, 1fr); }
  .pcba-portfolio-layout { grid-template-columns: minmax(0, 1fr); }
  .pcba-portfolio-groups { position: static; }
  .pcba-portfolio-groups #pcba-project-list { display: flex; max-height: none; min-height: 0; overflow-x: auto; }
  .pcba-group-item { width: 200px; min-width: 200px; border-bottom: 0; border-right: 1px solid var(--border); }
  .pcba-group-item.active { box-shadow: inset 0 -3px var(--accent); }
  .pcba-cost-breakdown { grid-template-columns: minmax(0, 1fr); }
  .pcba-grid-foot > span:last-child { display: none; }
  .pcba-plan-title small { margin-left: 0; }
  .menu-list { right: auto; left: 0; }
}
/* alpha28: supplier request-for-quotation dialog */
.rfq-form .form-grid { grid-template-columns: 140px 260px minmax(0, 1fr); align-items: end; }
.rfq-opt { display: inline-flex; align-items: center; gap: 6px; margin-right: 14px; font-size: var(--fs-sm); color: var(--text-2); }
.rfq-summary { display: flex; align-items: center; gap: 8px 16px; flex-wrap: wrap; margin: 14px 0 10px; font-size: var(--fs-sm); color: var(--text-2); }
.rfq-summary b { color: var(--text); font-variant-numeric: tabular-nums; }
.rfq-table { max-height: calc(100vh - 380px); border: 1px solid var(--border); border-radius: var(--r); }
.rfq-table .table { min-width: 720px; }
.rfq-table td small { display: block; color: var(--muted); font-size: var(--fs-xs); margin-top: 2px; }
.rfq-table tr.rfq-missing td { background: color-mix(in srgb, var(--warn-bg) 60%, transparent); }
.rfq-actions { position: sticky; bottom: -16px; display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; margin: 12px -18px -16px; padding: 12px 18px; background: var(--panel2); border-top: 1px solid var(--border); }
@media (max-width: 760px) { .rfq-form .form-grid { grid-template-columns: minmax(0, 1fr); } }