/* Source: design/plan-redesign/design-demos/v8-c-timeline.html — bản thiết kế bước Kế hoạch đã được duyệt
   (direction-approved.md, «chọn hướng C»), đưa nguyên sang app theo DDR-006. Chỉ đổi selector
   #planTimeline → #planPreview và bỏ các rule chỉ dùng để mockup đứng một mình. Mọi giá trị đều là
   token --bms-*; file nằm ngoài core cascade nên không thuộc phạm vi đóng băng thiết kế. */

#planPreview { grid-column: 1 / -1; }
/* Khung đứng một mình cho mockup — chỉ dùng token --bms-* */

#planPreview { --pl-days: 10; }

/* ---------- Đầu màn ---------- */
#planPreview .pl-head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--bms-space-4); margin-bottom: var(--bms-space-4); }
#planPreview .pl-head .eyebrow { margin: 0 0 var(--bms-space-1); color: var(--bms-primary); font: 700 11px/1.3 var(--bms-font-ui); letter-spacing: .08em; text-transform: uppercase; }
#planPreview .pl-head h2 { margin: 0; color: var(--bms-text); font: 700 18px/1.3 var(--bms-font-display); }
#planPreview .pl-head p { margin: var(--bms-space-1) 0 0; color: var(--bms-text-muted); font: 500 13px/1.45 var(--bms-font-ui); }

/* ---------- Dải dữ liệu dẫn xuất (chỉ đọc) ---------- */
#planPreview .pl-derived { display: flex; flex-wrap: wrap; align-items: stretch; gap: 0; margin-bottom: var(--bms-space-4); border: 1px solid var(--bms-border); border-radius: var(--bms-radius-2); background: var(--bms-surface-subtle); overflow: hidden; }
#planPreview .pl-d { flex: 1 1 0; min-width: 150px; padding: var(--bms-space-3) var(--bms-space-4); border-left: 1px solid var(--bms-border); }
#planPreview .pl-d:first-child { border-left: 0; }
#planPreview .pl-d span { display: block; color: var(--bms-text-muted); font: 600 10px/1.3 var(--bms-font-ui); letter-spacing: .07em; text-transform: uppercase; }
#planPreview .pl-d strong { display: block; margin-top: var(--bms-space-1); color: var(--bms-text); font: 700 14px/1.3 var(--bms-font-data); letter-spacing: -.01em; }
#planPreview .pl-d small { display: block; margin-top: 2px; color: var(--bms-text-subtle); font: 500 11px/1.3 var(--bms-font-ui); }
#planPreview .pl-d.is-lock strong::after { content: " · từ bước 1"; color: var(--bms-text-subtle); font: 500 10px/1.3 var(--bms-font-ui); letter-spacing: 0; }
#planPreview .pl-d.is-lock2 strong::after { content: " · từ bước 2"; color: var(--bms-text-subtle); font: 500 10px/1.3 var(--bms-font-ui); letter-spacing: 0; }

/* ---------- NHÂN VẬT CHÍNH: trục thời gian ---------- */
#planPreview .pl-stage { border: 1px solid var(--bms-border); border-radius: var(--bms-radius-3); background: var(--bms-surface); box-shadow: var(--bms-shadow-1); overflow: hidden; }
#planPreview .pl-stage-head { display: flex; align-items: center; justify-content: space-between; gap: var(--bms-space-4); padding: var(--bms-space-3) var(--bms-space-5); border-bottom: 1px solid var(--bms-border); background: var(--bms-surface-subtle); }
#planPreview .pl-stage-head h3 { margin: 0; color: var(--bms-text-muted); font: 700 11px/1.3 var(--bms-font-ui); letter-spacing: .08em; text-transform: uppercase; }
#planPreview .pl-stage-head .pl-legend { display: flex; flex-wrap: wrap; gap: var(--bms-space-4); }
#planPreview .pl-legend em { display: flex; align-items: center; gap: var(--bms-space-2); color: var(--bms-text-muted); font: 600 11px/1.3 var(--bms-font-ui); font-style: normal; }
#planPreview .pl-legend em i { width: 9px; height: 9px; border-radius: var(--bms-radius-round); }
#planPreview .pl-legend em.k-mat i { background: var(--bms-warning); }
#planPreview .pl-legend em.k-prod i { background: var(--bms-primary); }
#planPreview .pl-legend em.k-ship i { background: var(--bms-info); }
#planPreview .pl-legend em.k-late i { background: var(--bms-danger); }

#planPreview .pl-grid { display: grid; grid-template-columns: 138px minmax(0, 1fr); }
#planPreview .pl-rail { border-right: 1px solid var(--bms-border); background: var(--bms-surface); }
#planPreview .pl-track-col { position: relative; min-width: 0; }

#planPreview .pl-rail-cell { display: flex; flex-direction: column; justify-content: center; padding: 0 var(--bms-space-4); border-bottom: 1px solid color-mix(in srgb, var(--bms-border) 70%, transparent); }
#planPreview .pl-rail-cell:last-child { border-bottom: 0; }
#planPreview .pl-rail-cell b { color: var(--bms-text); font: 700 12px/1.3 var(--bms-font-ui); }
#planPreview .pl-rail-cell span { margin-top: 2px; color: var(--bms-text-subtle); font: 500 10px/1.3 var(--bms-font-ui); }
#planPreview .h-head { height: 54px; }
#planPreview .h-mat { height: 52px; }
#planPreview .h-prod { height: 74px; }
#planPreview .h-ship { height: 52px; }

/* Thước ngày */
#planPreview .pl-dates { position: relative; z-index: 2; height: 54px; display: grid; grid-template-columns: repeat(var(--pl-days), 1fr); border-bottom: 1px solid var(--bms-border); background: var(--bms-surface); }
#planPreview .pl-date { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; border-left: 1px solid color-mix(in srgb, var(--bms-border) 60%, transparent); }
#planPreview .pl-date:first-child { border-left: 0; }
#planPreview .pl-date i { color: var(--bms-text-subtle); font: 600 9px/1 var(--bms-font-ui); font-style: normal; letter-spacing: .05em; text-transform: uppercase; }
#planPreview .pl-date b { color: var(--bms-text); font: 700 13px/1 var(--bms-font-data); }
#planPreview .pl-date.is-today b { width: 26px; height: 22px; display: grid; place-items: center; border-radius: var(--bms-radius-1); color: var(--bms-surface); background: var(--bms-text); }
#planPreview .pl-date.is-today i { color: var(--bms-text); }
#planPreview .pl-date.is-past { background: color-mix(in srgb, var(--bms-text) 4%, transparent); }
#planPreview .pl-date.is-after b, #planPreview .pl-date.is-after i { color: var(--bms-danger); }

/* Các làn */
#planPreview .pl-lanes { position: relative; background: repeating-linear-gradient(90deg, transparent 0 calc(100% / var(--pl-days) - 1px), color-mix(in srgb, var(--bms-border) 60%, transparent) calc(100% / var(--pl-days) - 1px) calc(100% / var(--pl-days))); }
#planPreview .pl-lane { position: relative; border-bottom: 1px solid color-mix(in srgb, var(--bms-border) 70%, transparent); }
#planPreview .pl-lane:last-child { border-bottom: 0; }

/* Vùng sau hạn khách */
#planPreview .pl-afterzone { position: absolute; z-index: 0; top: 0; bottom: 0; background: color-mix(in srgb, var(--bms-danger) 6%, transparent); pointer-events: none; }
#planPreview .pl-afterzone b { position: absolute; top: var(--bms-space-2); left: var(--bms-space-2); color: color-mix(in srgb, var(--bms-danger) 70%, var(--bms-surface)); font: 700 10px/1.2 var(--bms-font-ui); letter-spacing: .06em; text-transform: uppercase; }

/* Mốc cắm ngày khách yêu cầu */
#planPreview .pl-pin { position: absolute; z-index: 6; top: 0; bottom: 0; width: 2px; background: var(--bms-danger); pointer-events: none; }
#planPreview .pl-pin .pl-pin-flag { position: absolute; top: var(--bms-space-2); left: 0; transform: translateX(calc(-100% - 6px)); padding: 3px var(--bms-space-2); border-radius: var(--bms-radius-1); color: var(--bms-surface); background: var(--bms-danger); font: 700 10px/1.3 var(--bms-font-ui); white-space: nowrap; }
#planPreview .pl-pin::after { content: ""; position: absolute; top: 0; left: -4px; width: 10px; height: 10px; border-radius: var(--bms-radius-round); background: var(--bms-danger); }

/* Thanh chung */
#planPreview .pl-bar { position: absolute; z-index: 3; border-radius: var(--bms-radius-2); }
#planPreview .pl-bar-label { position: absolute; z-index: 4; top: 50%; transform: translateY(-50%); left: var(--bms-space-3); display: flex; align-items: baseline; gap: var(--bms-space-2); white-space: nowrap; pointer-events: none; }
#planPreview .pl-bar-label b { font: 700 13px/1.2 var(--bms-font-data); }
#planPreview .pl-bar-label span { font: 600 11px/1.2 var(--bms-font-ui); }

/* Làn vật tư */
#planPreview .pl-bar-mat { top: 12px; height: 28px; border: 1px dashed color-mix(in srgb, var(--bms-warning) 55%, var(--bms-surface)); background: repeating-linear-gradient(135deg, color-mix(in srgb, var(--bms-warning) 14%, var(--bms-surface)) 0 6px, color-mix(in srgb, var(--bms-warning) 6%, var(--bms-surface)) 6px 12px); }
#planPreview .pl-bar-mat .pl-bar-label b, #planPreview .pl-bar-mat .pl-bar-label span { color: var(--bms-warning); }
#planPreview .pl-bar-mat.is-ok { border-style: solid; border-color: color-mix(in srgb, var(--bms-success) 50%, var(--bms-surface)); background: var(--bms-success-soft); }
#planPreview .pl-bar-mat.is-ok .pl-bar-label b, #planPreview .pl-bar-mat.is-ok .pl-bar-label span { color: var(--bms-success); }
#planPreview .pl-mat-out { position: absolute; z-index: 4; top: 50%; transform: translateY(-50%); display: flex; align-items: center; gap: var(--bms-space-2); padding-left: var(--bms-space-3); white-space: nowrap; }
#planPreview .pl-mat-out b { color: var(--bms-warning); font: 700 12px/1.2 var(--bms-font-data); }
#planPreview .pl-mat-out span { color: var(--bms-text-muted); font: 600 11px/1.2 var(--bms-font-ui); }

/* Làn sản xuất */
#planPreview .pl-bar-prod { top: 14px; height: 46px; background: var(--bms-primary); box-shadow: var(--bms-shadow-1); }
#planPreview .pl-bar-prod .pl-bar-label b { color: var(--bms-surface); }
#planPreview .pl-bar-prod .pl-bar-label span { color: color-mix(in srgb, var(--bms-surface) 78%, var(--bms-primary)); }
#planPreview .pl-bar-prod.is-tight { background: var(--bms-warning); }
#planPreview .pl-bar-prod.is-tight .pl-bar-label span { color: color-mix(in srgb, var(--bms-surface) 82%, var(--bms-warning)); }
#planPreview .pl-bar-prod .pl-bar-label { left: calc(var(--bms-space-3) + 10px); }
#planPreview .pl-bar-prod.is-narrow .pl-bar-label { left: 100%; padding-left: var(--bms-space-3); }
#planPreview .pl-bar-prod.is-narrow .pl-bar-label b { color: var(--bms-text); }
#planPreview .pl-bar-prod.is-narrow .pl-bar-label span { color: var(--bms-text-muted); }

/* Tay kéo */
#planPreview .pl-handle { position: absolute; z-index: 5; top: 0; bottom: 0; width: 16px; padding: 0; border: 0; border-radius: var(--bms-radius-2); background: transparent; cursor: ew-resize; touch-action: none; }
#planPreview .pl-handle.h-left { left: 0; }
#planPreview .pl-handle.h-right { right: 0; }
#planPreview .pl-handle::after { content: ""; position: absolute; top: 50%; left: 50%; width: 4px; height: 20px; transform: translate(-50%, -50%); border-radius: var(--bms-radius-round); background: color-mix(in srgb, var(--bms-surface) 70%, transparent); }
#planPreview .pl-handle:hover::after { background: var(--bms-surface); }
#planPreview .pl-handle:focus-visible { outline: 2px solid var(--bms-focus); outline-offset: 2px; }

/* Làn giao hàng */
#planPreview .pl-bar-ship { top: 12px; height: 28px; background: color-mix(in srgb, var(--bms-info) 22%, var(--bms-surface)); border: 1px solid color-mix(in srgb, var(--bms-info) 45%, var(--bms-surface)); overflow: hidden; }
#planPreview .pl-bar-ship .pl-bar-label b, #planPreview .pl-bar-ship .pl-bar-label span { color: var(--bms-text); }
#planPreview .pl-bar-ship.is-narrow .pl-bar-label { left: 100%; padding-left: var(--bms-space-3); }
#planPreview .pl-bar-late { position: absolute; z-index: 2; top: 0; bottom: 0; background: color-mix(in srgb, var(--bms-danger) 34%, var(--bms-surface)); }
#planPreview .pl-ship-out b { color: var(--bms-text); }
#planPreview .pl-ship-out.is-late b { color: var(--bms-danger); }
#planPreview .pl-mat-out.is-flip { padding: 2px var(--bms-space-2); margin-right: var(--bms-space-3); border-radius: var(--bms-radius-1); background: color-mix(in srgb, var(--bms-surface) 88%, transparent); }
#planPreview .pl-ship-dot { position: absolute; z-index: 5; top: 50%; width: 12px; height: 12px; margin-left: -6px; transform: translateY(-50%); border: 2px solid var(--bms-surface); border-radius: var(--bms-radius-round); background: var(--bms-info); }
#planPreview .pl-ship-dot.is-late { background: var(--bms-danger); }

/* Phán quyết dưới trục */
#planPreview .pl-verdict { display: flex; flex-wrap: wrap; align-items: center; gap: var(--bms-space-3) var(--bms-space-5); padding: var(--bms-space-3) var(--bms-space-5); border-top: 1px solid var(--bms-border); background: var(--bms-surface-subtle); }
#planPreview .pl-verdict .pl-call { display: flex; align-items: center; gap: var(--bms-space-2); padding: var(--bms-space-2) var(--bms-space-3); border-radius: var(--bms-radius-round); font: 700 12px/1.2 var(--bms-font-ui); }
#planPreview .pl-call.is-ok { color: var(--bms-success); background: var(--bms-success-soft); }
#planPreview .pl-call.is-warn { color: var(--bms-warning); background: var(--bms-warning-soft); }
#planPreview .pl-call.is-bad { color: var(--bms-danger); background: var(--bms-danger-soft); }
#planPreview .pl-checks { display: flex; flex-wrap: wrap; gap: var(--bms-space-4); margin-left: auto; }
#planPreview .pl-chk { display: flex; align-items: center; gap: var(--bms-space-2); color: var(--bms-text-muted); font: 600 11px/1.3 var(--bms-font-ui); }
#planPreview .pl-chk i { width: 8px; height: 8px; border-radius: var(--bms-radius-round); background: var(--bms-neutral); }
#planPreview .pl-chk.ok i { background: var(--bms-success); }
#planPreview .pl-chk.warn i { background: var(--bms-warning); }
#planPreview .pl-chk.bad i { background: var(--bms-danger); }

/* ---------- Bộ điều khiển ngày, nằm ngay dưới trục ---------- */
#planPreview .pl-controls { display: grid; grid-template-columns: 138px minmax(0, 1fr); margin-top: var(--bms-space-4); }
#planPreview .pl-controls > .pl-ctrl-lead { display: flex; flex-direction: column; justify-content: center; padding-right: var(--bms-space-4); }
#planPreview .pl-ctrl-lead b { color: var(--bms-text); font: 700 12px/1.3 var(--bms-font-ui); }
#planPreview .pl-ctrl-lead span { margin-top: 2px; color: var(--bms-text-subtle); font: 500 10px/1.35 var(--bms-font-ui); }
#planPreview .pl-ctrl-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--bms-space-3); }
#planPreview .pl-field { display: flex; flex-direction: column; gap: var(--bms-space-1); }
#planPreview .pl-field > span { color: var(--bms-text-muted); font: 600 11px/1.3 var(--bms-font-ui); }
#planPreview .pl-field input, #planPreview .pl-field select { width: 100%; min-height: var(--bms-control-standard); padding: var(--bms-space-2) var(--bms-space-3); border: 1px solid var(--bms-border); border-radius: var(--bms-radius-1); color: var(--bms-text); background: var(--bms-surface); font: 600 13px/1.3 var(--bms-font-data); }
#planPreview .pl-field small { color: var(--bms-text-subtle); font: 500 11px/1.35 var(--bms-font-ui); }
#planPreview .pl-field.is-error small { color: var(--bms-danger); }
#planPreview .pl-field.is-error input { border-color: var(--bms-danger); background: var(--bms-danger-soft); }
#planPreview .pl-error { grid-column: 1 / -1; margin-top: var(--bms-space-2); padding: var(--bms-space-2) var(--bms-space-3); border-radius: var(--bms-radius-1); color: var(--bms-danger); background: var(--bms-danger-soft); font: 600 12px/1.4 var(--bms-font-ui); }
#planPreview .pl-error[hidden] { display: none; }

/* ---------- Khối dưới: vật tư + ưu tiên ---------- */
#planPreview .pl-below { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: var(--bms-space-5); align-items: start; margin-top: var(--bms-space-5); }
#planPreview .pl-card { padding: var(--bms-space-5); }
#planPreview .pl-card > .pl-card-head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--bms-space-3); margin-bottom: var(--bms-space-3); }
#planPreview .pl-card-head h3 { margin: 0; color: var(--bms-text); font: 700 14px/1.3 var(--bms-font-ui); }
#planPreview .pl-card-head .pl-src { color: var(--bms-text-subtle); font: 600 11px/1.3 var(--bms-font-ui); }

#planPreview table.warehouse-table { min-width: 0; width: 100%; table-layout: fixed; }
#planPreview table.warehouse-table :is(th, td) { padding: var(--bms-space-2) var(--bms-space-3); font-size: 13px; vertical-align: middle; }
#planPreview table.warehouse-table th { font-size: 12px; }
#planPreview table.warehouse-table th:nth-child(1), #planPreview table.warehouse-table td:nth-child(1) { width: 30%; }
#planPreview table.warehouse-table th:nth-child(n+2), #planPreview table.warehouse-table td:nth-child(n+2) { text-align: right; }
#planPreview table.warehouse-table tbody tr { cursor: default; }
#planPreview table.warehouse-table tbody tr:hover { background: transparent; }
#planPreview table.warehouse-table td b { font: 700 13px/1.3 var(--bms-font-data); }
#planPreview .pl-tag { display: inline-block; padding: 2px var(--bms-space-2); border-radius: var(--bms-radius-round); font: 700 11px/1.4 var(--bms-font-ui); }
#planPreview .pl-tag.t-short { color: var(--bms-danger); background: var(--bms-danger-soft); }
#planPreview .pl-tag.t-ok { color: var(--bms-success); background: var(--bms-success-soft); }
#planPreview .pl-tag.t-none { color: var(--bms-text-muted); background: var(--bms-surface-subtle); }
#planPreview .pl-foot-note { margin: var(--bms-space-3) 0 0; color: var(--bms-text-muted); font: 500 11px/1.5 var(--bms-font-ui); }

/* Thẻ tối dính bên phải — cùng họ với bước 2 và bước 3 */
#planPreview .pl-side { position: sticky; top: var(--bms-space-6); padding: var(--bms-space-5); border-radius: var(--bms-radius-3); color: var(--bms-frame-800); background: var(--bms-frame-950); box-shadow: var(--bms-shadow-2); }
#planPreview .pl-side h3 { margin: 0 0 var(--bms-space-3); color: color-mix(in srgb, var(--bms-frame-800) 62%, var(--bms-frame-950)); font: 700 11px/1.3 var(--bms-font-ui); letter-spacing: .08em; text-transform: uppercase; }
#planPreview .pl-side .pl-prio { display: flex; flex-direction: column; gap: var(--bms-space-1); margin-bottom: var(--bms-space-4); }
#planPreview .pl-side .pl-prio > span { color: color-mix(in srgb, var(--bms-frame-800) 68%, var(--bms-frame-950)); font: 600 11px/1.3 var(--bms-font-ui); }
#planPreview .pl-side select { width: 100%; min-height: var(--bms-control-standard); padding: var(--bms-space-2) var(--bms-space-3); border: 1px solid color-mix(in srgb, var(--bms-frame-800) 26%, transparent); border-radius: var(--bms-radius-1); color: var(--bms-frame-800); background: color-mix(in srgb, var(--bms-frame-800) 10%, transparent); font: 700 13px/1.3 var(--bms-font-ui); }
#planPreview .pl-side select option { color: var(--bms-text); background: var(--bms-surface); }
#planPreview .pl-order { border-top: 1px solid color-mix(in srgb, var(--bms-frame-800) 22%, transparent); }
#planPreview .pl-order li { display: flex; align-items: center; gap: var(--bms-space-3); padding: var(--bms-space-2) 0; border-bottom: 1px solid color-mix(in srgb, var(--bms-frame-800) 14%, transparent); list-style: none; }
#planPreview .pl-order { margin: 0; padding: 0; }
#planPreview .pl-order li i { flex: 0 0 auto; width: 20px; height: 20px; display: grid; place-items: center; border-radius: var(--bms-radius-1); color: color-mix(in srgb, var(--bms-frame-800) 72%, var(--bms-frame-950)); background: color-mix(in srgb, var(--bms-frame-800) 12%, transparent); font: 700 11px/1 var(--bms-font-data); font-style: normal; }
#planPreview .pl-order li em { flex: 1 1 auto; min-width: 0; color: color-mix(in srgb, var(--bms-frame-800) 74%, var(--bms-frame-950)); font: 600 12px/1.3 var(--bms-font-ui); font-style: normal; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#planPreview .pl-order li b { flex: 0 0 auto; color: color-mix(in srgb, var(--bms-frame-800) 60%, var(--bms-frame-950)); font: 600 11px/1.3 var(--bms-font-data); }
#planPreview .pl-order li.is-self i { color: var(--bms-frame-950); background: var(--bms-brand-yellow); }
#planPreview .pl-order li.is-self em, #planPreview .pl-order li.is-self b { color: var(--bms-frame-800); font-weight: 700; }
#planPreview .pl-side .pl-side-note { margin: var(--bms-space-3) 0 0; color: color-mix(in srgb, var(--bms-frame-800) 58%, var(--bms-frame-950)); font: 500 11px/1.5 var(--bms-font-ui); }
#planPreview .pl-side .pl-actions { display: flex; flex-direction: column; gap: var(--bms-space-2); margin-top: var(--bms-space-4); padding-top: var(--bms-space-4); border-top: 1px solid color-mix(in srgb, var(--bms-frame-800) 22%, transparent); }
#planPreview .pl-side .pl-status { display: flex; align-items: center; justify-content: space-between; gap: var(--bms-space-3); margin-bottom: var(--bms-space-3); }
#planPreview .pl-side .pl-status span { color: color-mix(in srgb, var(--bms-frame-800) 66%, var(--bms-frame-950)); font: 600 11px/1.3 var(--bms-font-ui); }
#planPreview .pl-side .pl-status b { padding: 3px var(--bms-space-2); border-radius: var(--bms-radius-round); color: var(--bms-frame-950); background: var(--bms-brand-yellow); font: 700 11px/1.3 var(--bms-font-data); letter-spacing: .04em; }
#planPreview .pl-side .pl-status b.is-running { color: var(--bms-frame-950); background: var(--bms-success); }

@media (max-width: 1000px) {
  #planPreview .pl-below { grid-template-columns: minmax(0, 1fr); }
  #planPreview .pl-side { position: static; }
  #planPreview .pl-grid, #planPreview .pl-controls { grid-template-columns: 96px minmax(0, 1fr); }
  #planPreview .pl-ctrl-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}