/* ui/play: the in-problem screen. Prefix .pl-, colours only through tokens. */

.pl-root { position: relative; width: 100%; height: 100%; min-height: 480px; overflow: hidden; overflow: clip; background: var(--canvas); color: var(--text); font-family: var(--font-ui); font-size: 15px; line-height: 1.45; }
.pl-root *, .pl-root *::before, .pl-root *::after { box-sizing: border-box; }
.pl-root [hidden] { display: none; }
.pl-stage { position: absolute; inset: 0; z-index: var(--z-canvas); touch-action: none; }
.pl-stage canvas { display: block; width: 100%; height: 100%; }
.pl-mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 500; }
.pl-display { font-family: var(--font-display); font-weight: 700; line-height: 1.15; }
.pl-muted { color: var(--text-3); }
.pl-small { font-size: 12px; }
.pl-ic { display: inline-flex; flex: none; line-height: 0; }
.pl-ic svg { display: block; }
.pl-approx { cursor: help; border-bottom: 1px dotted var(--text-3); white-space: nowrap; }
.pl-approx:focus-visible, .pl-root :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* glass surfaces */
.pl-toolbar, .pl-inspector, .pl-req, .pl-hud, .pl-panel, .pl-traffic, .pl-hints, .pl-issues, .pl-menu, .pl-steps, .pl-tools, .pl-banner, .pl-goal, .pl-caption, .pl-modal-card, .pl-target {
  /* nearly opaque glass: text on a panel keeps solid contrast whatever the diagram behind it is doing */
  background: color-mix(in srgb, var(--surface-solid) 94%, transparent); border: 1px solid var(--border); border-radius: var(--radius-3); box-shadow: var(--shadow-2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2); backdrop-filter: blur(20px) saturate(1.2);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .pl-toolbar, .pl-inspector, .pl-req, .pl-hud, .pl-panel, .pl-traffic, .pl-hints, .pl-issues, .pl-menu, .pl-steps, .pl-tools, .pl-banner, .pl-goal, .pl-caption, .pl-modal-card, .pl-target { background: var(--surface-solid); }
}

/* buttons and controls */
.pl-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; padding: 0 16px; border-radius: var(--radius-2); border: 1px solid var(--border-strong); background: var(--surface-solid); color: var(--text); font: 600 14px var(--font-ui); cursor: pointer; transition: transform var(--dur-1) var(--ease-out), background var(--dur-1), border-color var(--dur-1), box-shadow var(--dur-1); }
.pl-btn:hover { border-color: var(--accent); }
.pl-btn:active { transform: scale(0.97); }
.pl-btn:disabled { opacity: 0.5; cursor: default; transform: none; }
.pl-btn--primary { background: var(--accent); border-color: var(--accent); color: var(--surface-solid); box-shadow: var(--shadow-1); }
.pl-btn--primary:hover { box-shadow: var(--shadow-2); }
.pl-btn--ghost { background: transparent; border-color: transparent; }
.pl-btn--small { min-height: 34px; padding: 0 12px; font-size: 13px; }
.pl-btn--danger:hover { border-color: var(--bad); color: var(--bad); }
.pl-btn--on { background: var(--accent-soft); border-color: var(--accent); }
.pl-icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; flex: none; border-radius: var(--radius-2); border: 1px solid transparent; background: transparent; color: var(--text-2); cursor: pointer; transition: background var(--dur-1), color var(--dur-1), transform var(--dur-1) var(--ease-out); }
.pl-icon-btn:hover { background: var(--accent-soft); color: var(--text); }
.pl-icon-btn:active { transform: scale(0.92); }
.pl-icon-btn:disabled { opacity: 0.35; cursor: default; background: transparent; transform: none; }
.pl-input, .pl-select, .pl-num { height: 40px; width: 100%; padding: 0 12px; border-radius: var(--radius-2); border: 1px solid var(--border-strong); background: var(--surface-solid); color: var(--text); font: 400 14px var(--font-ui); }
.pl-num { width: 64px; padding: 0 4px; text-align: center; font-family: var(--font-mono); height: 36px; }
.pl-chip { display: inline-flex; align-items: center; gap: 6px; min-height: 28px; padding: 0 10px; border-radius: 999px; background: var(--accent-soft); font-size: 12.5px; font-weight: 500; color: var(--text-2); }
.pl-chip--warn { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--text); cursor: pointer; }
.pl-chip--ok { background: color-mix(in srgb, var(--ok) 16%, transparent); }
.pl-cat-head--static { cursor: default; }
.pl-cat--suggest { border-bottom: 1px solid var(--border); padding-bottom: 6px; margin-bottom: 4px; }
.pl-tb-coach { margin: 4px 10px 8px; font-size: 12.5px; color: var(--text-3); }
.pl-chip--btn { border: 0; font-family: var(--font-ui); text-align: left; text-decoration: underline dotted; text-underline-offset: 3px; }
.pl-chip--btn:hover { background: color-mix(in srgb, var(--warn) 28%, transparent); }
.pl-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border-strong); font-size: 12.5px; font-weight: 600; width: fit-content; }
.pl-badge--ok { color: var(--ok); border-color: var(--ok); }
.pl-badge--bad { color: var(--bad); border-color: var(--bad); }
.pl-badge--near { color: var(--warn); border-color: var(--warn); background: color-mix(in srgb, var(--warn) 12%, transparent); }
.pl-verdict-sec--near .pl-star { opacity: .85; }
.pl-try { display: flex; gap: 14px; align-items: center; margin-top: 18px; padding: 14px 16px; border-radius: var(--radius-3); background: var(--accent-soft); border: 1px solid var(--accent); }
.pl-try--near { border-color: var(--warn); background: color-mix(in srgb, var(--warn) 10%, transparent); }
.pl-try > div { flex: 1; } .pl-try p { margin: 2px 0 0; }
.pl-try-body { min-width: 0; }
@media (max-width: 640px) { .pl-try { flex-wrap: wrap; align-items: flex-start; } .pl-try-body { flex: 1 1 calc(100% - 40px); } .pl-try-btn { flex: 1 1 100%; } }
.pl-insp-more { margin-top: 12px; } .pl-insp-more > summary { cursor: pointer; font-size: 13px; font-weight: 600; color: var(--accent); min-height: 32px; display: flex; align-items: center; }
.pl-insp-more[open] > summary { margin-bottom: 10px; }
.pl-inspector--focus .pl-knob { margin: 10px 0 4px; }
.pl-warmup { display: flex; gap: 8px; align-items: center; margin: 12px 0 0; color: var(--text-2); font-size: 13.5px; }
.pl-badge--best { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.pl-range { width: 100%; accent-color: var(--accent); height: 28px; margin: 0; }
.pl-range--unset { opacity: 0.6; filter: grayscale(1); }
.pl-nunset { font: 500 14px var(--font-ui); }
.pl-kicker { font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 4px; }
.pl-h2 { font: 700 24px var(--font-display); margin: 0 0 8px; line-height: 1.15; }
.pl-root h3 { font: 600 17px var(--font-display); margin: 0 0 10px; }
.pl-root h4 { font: 600 12px var(--font-ui); letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); margin: 0 0 6px; }
.pl-lead { font-size: 16px; color: var(--text-2); margin: 0 0 12px; }
.pl-root p { margin: 0 0 10px; }
.pl-list { margin: 0; padding-left: 18px; color: var(--text-2); }
.pl-list li { margin-bottom: 4px; }
.pl-sec { margin: 28px 0 0; }
.pl-footnote { margin: 10px 0 0; font-size: 12.5px; color: var(--text-3); }
.pl-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.pl-table th, .pl-table td { text-align: left; padding: 8px 8px 8px 0; border-bottom: 1px solid var(--border); vertical-align: top; font-weight: 500; }
.pl-table th { font-weight: 600; }
.pl-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 6px 0 12px; }
.pl-tab { min-height: 36px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--border-strong); background: transparent; color: var(--text-2); font: 600 13px var(--font-ui); cursor: pointer; }
.pl-tab--on { background: var(--accent); border-color: var(--accent); color: var(--surface-solid); }

/* status */
.pl-glyph { display: inline-flex; line-height: 0; }
.pl-st-ok { color: var(--ok); } .pl-st-warn { color: var(--warn); } .pl-st-hot { color: var(--hot); } .pl-st-overload, .pl-st-down { color: var(--bad); }
.pl-bg-ok { background: var(--ok); } .pl-bg-warn { background: var(--warn); } .pl-bg-hot { background: var(--hot); } .pl-bg-overload, .pl-bg-down { background: var(--bad); }

/* top bar: steps and tools */
.pl-top { position: absolute; top: 12px; left: 12px; right: 12px; z-index: var(--z-hud); display: flex; gap: 10px; justify-content: space-between; align-items: center; pointer-events: none; }
.pl-top > * { pointer-events: auto; }
.pl-steps { padding: 4px; }
.pl-steps-list { display: flex; gap: 2px; list-style: none; margin: 0; padding: 0; }
.pl-step { display: inline-flex; align-items: center; gap: 8px; min-height: 36px; padding: 0 12px 0 6px; border: 0; border-radius: var(--radius-2); background: transparent; color: var(--text-3); font: 600 13px var(--font-ui); cursor: pointer; white-space: nowrap; transition: background var(--dur-2), color var(--dur-2); }
.pl-step:disabled { cursor: default; color: var(--text-2); opacity: 0.85; }
.pl-step-n { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; border: 1.5px solid currentColor; font-size: 12px; }
.pl-step--done { color: var(--ok); }
.pl-step--done .pl-step-n { background: var(--ok); border-color: var(--ok); color: var(--surface-solid); }
.pl-step--on { background: var(--accent-soft); color: var(--text); }
.pl-step--on .pl-step-n { background: var(--accent); border-color: var(--accent); color: var(--surface-solid); }
.pl-tools { display: flex; align-items: center; gap: 2px; padding: 4px; margin-left: auto; }
.pl-target { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; font-weight: 600; font-size: 14px; }
.pl-top--plain { justify-content: flex-end; }

/* toolbar */
.pl-left { position: absolute; left: 12px; top: 64px; bottom: calc(var(--pl-hud-h, 126px) + 24px); width: 280px; z-index: var(--z-panel); pointer-events: none; }
.pl-toolbar { height: 100%; display: flex; flex-direction: column; overflow: hidden; pointer-events: auto; transition: opacity var(--dur-2); }
.pl-toolbar--off .pl-tb-body { opacity: 0.45; pointer-events: none; }
.pl-tb-grab { display: none; }
.pl-tb-head { position: relative; padding: 10px 10px 6px; }
.pl-tb-head .pl-input { padding-left: 36px; }
.pl-tb-sicon { position: absolute; left: 22px; top: 21px; color: var(--text-3); pointer-events: none; }
.pl-cattabs { display: none; gap: 4px; padding: 0 10px 6px; overflow-x: auto; }
.pl-cattab { flex: none; width: 40px; height: 40px; display: grid; place-items: center; border-radius: var(--radius-2); border: 1px solid var(--border); background: var(--surface-solid); color: var(--tint); cursor: pointer; }
.pl-tb-body { flex: 1; overflow-y: auto; padding: 0 8px 8px; overscroll-behavior: contain; }
.pl-tb-note { padding: 4px 14px 12px; font-size: 13px; color: var(--text-3); }
.pl-tb-note:empty { display: none; }
.pl-cat { margin-top: 4px; }
.pl-cat-head { display: flex; align-items: center; gap: 8px; width: 100%; min-height: 36px; padding: 0 8px; border: 0; border-radius: var(--radius-2); background: transparent; color: var(--text); font: 600 13px var(--font-ui); cursor: pointer; text-align: left; }
.pl-cat-head:hover { background: var(--accent-soft); }
.pl-cat-ic { color: var(--tint); }
.pl-cat-name { flex: 1; }
.pl-cat-count { font-size: 11px; font-weight: 600; color: var(--text-3); }
.pl-items { display: grid; gap: 2px; padding: 2px 0 6px; }
.pl-item { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 44px; padding: 4px 8px; border-radius: var(--radius-2); border: 1px solid transparent; background: transparent; color: var(--text); font: 500 14px var(--font-ui); text-align: left; cursor: grab; touch-action: pan-y; user-select: none; transition: background var(--dur-1), border-color var(--dur-1), transform var(--dur-1) var(--ease-out); }
.pl-item:hover { background: var(--accent-soft); }
.pl-item:active { transform: scale(0.98); }
.pl-item--armed { border-color: var(--accent); background: var(--accent-soft); }
.pl-item-ic { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--surface-solid); color: var(--tint); border: 1px solid var(--border); }
.pl-item-txt { display: flex; flex-direction: column; min-width: 0; }
.pl-item-name { font-weight: 600; font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pl-item-sub { font-size: 11.5px; color: var(--text-3); }
.pl-item--pulse { animation: pl-pulse 1.2s var(--ease-in-out) infinite; border-color: var(--accent); }
@keyframes pl-pulse { 0%, 100% { box-shadow: 0 0 0 0 var(--accent-soft); } 50% { box-shadow: 0 0 0 6px var(--accent-soft); } }
.pl-dragchip { position: fixed; left: 0; top: 0; z-index: var(--z-toast); display: flex; align-items: center; gap: 8px; padding: 6px 12px 6px 8px; border-radius: 999px; background: var(--surface-solid); border: 1px solid var(--accent); box-shadow: var(--shadow-3); font: 600 13px var(--font-ui); color: var(--text); pointer-events: none; }
.pl-dragchip[hidden] { display: none; }

/* right column */
.pl-right { position: absolute; right: 12px; top: 64px; bottom: calc(var(--pl-hud-h, 126px) + 24px); width: 320px; z-index: var(--z-panel); display: flex; flex-direction: column; gap: 10px; pointer-events: none; }
.pl-right > * { pointer-events: auto; }
.pl-req { flex: none; max-height: 52%; display: flex; flex-direction: column; overflow: hidden; }
.pl-req--closed { max-height: none; }
/* With no part selected the brief has the column to itself: it shows whole instead of cutting its list of numbers short. */
@media (min-width: 720px) { .pl-right:not(:has(> .pl-inspector:not([hidden]), > .pl-traffic)) > .pl-req:not(.pl-req--closed) { max-height: 100%; } }
.pl-req-head { display: flex; align-items: center; gap: 8px; width: 100%; min-height: 44px; padding: 0 12px; border: 0; background: transparent; color: var(--text); font: 600 14px var(--font-display); text-align: left; cursor: pointer; }
.pl-req-title { flex: 1; }
.pl-req-chev { transition: transform var(--dur-2) var(--ease-out); }
.pl-req--closed .pl-req-chev { transform: rotate(180deg); }
.pl-req-body { padding: 0 14px 12px; overflow-y: auto; }
.pl-req--closed .pl-req-body { display: none; }
.pl-req-like { font-size: 12.5px; color: var(--text-3); margin: 0 0 4px; }
.pl-req-brief { font-size: 13.5px; color: var(--text-2); }
.pl-req-rows { display: grid; gap: 6px; }
.pl-req-row { display: grid; grid-template-columns: 18px 86px 1fr; gap: 8px; align-items: start; font-size: 13px; color: var(--text-2); }
.pl-req-row > .pl-ic { color: var(--accent); margin-top: 2px; }
.pl-req-k { color: var(--text-3); }
.pl-req-v { color: var(--text); font-weight: 500; min-width: 0; overflow-wrap: anywhere; }
.pl-req-row > * { min-width: 0; }
/* a long approximate figure (the speed targets of several request types) wraps instead of running out of the card */
.pl-req .pl-approx { white-space: normal; }
.pl-req-notes { margin: 8px 0 0; padding-left: 18px; font-size: 12.5px; color: var(--text-3); }
.pl-mix { display: flex; flex-wrap: wrap; gap: 4px; }
.pl-mix-chip { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--border-strong); }
.pl-mix-shape { display: inline-flex; line-height: 0; }

.pl-inspector { flex: 0 1 auto; min-height: 0; display: flex; flex-direction: column; overflow: hidden; }
.pl-insp-head { display: flex; align-items: center; gap: 10px; padding: 10px 8px 8px 12px; border-bottom: 1px solid var(--border); }
.pl-insp-ic { color: var(--tint); }
.pl-insp-title { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.pl-insp-scroll { overflow-y: auto; padding: 10px 14px 24px; overscroll-behavior: contain; }
.pl-desc { font-size: 13.5px; color: var(--text-2); }
.pl-insp-actions { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 12px; }
.pl-lockline { display: flex; align-items: center; gap: 6px; width: 100%; }
.pl-live { padding: 10px 12px; border-radius: var(--radius-2); background: var(--surface-solid); border: 1px solid var(--border); margin-bottom: 14px; }
.pl-live-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; font-size: 13px; }
.pl-live-status { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
.pl-bar { height: 8px; border-radius: 999px; background: var(--border); overflow: hidden; }
.pl-bar-fill { display: block; height: 100%; width: 0; border-radius: 999px; transition: width var(--dur-2) var(--ease-out); }
.pl-insp-sec { margin-bottom: 16px; font-size: 13.5px; color: var(--text-2); }
.pl-insp-sec p { margin: 0; }
.pl-facts { margin: 0; display: grid; grid-template-columns: 74px minmax(0,1fr); gap: 6px 8px; font-size: 13px; }
.pl-facts dt { color: var(--text-3); } .pl-facts dd { margin: 0; color: var(--text); }
.pl-cost-row { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; padding: 2px 0; }
.pl-cost-total { border-top: 1px solid var(--border); margin-top: 4px; padding-top: 6px; font-weight: 600; }
.pl-knobs { display: grid; gap: 14px; }
.pl-knob-top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 4px; }
.pl-knob-l { font-weight: 600; color: var(--text); font-size: 13px; }
.pl-knob-help { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.pl-stepper { display: inline-flex; align-items: center; gap: 2px; }
.pl-stepper .pl-icon-btn { width: 36px; height: 36px; border-color: var(--border-strong); }
.pl-seg { display: inline-flex; flex-wrap: wrap; gap: 2px; padding: 2px; border-radius: var(--radius-2); background: var(--border); }
.pl-seg-b { min-height: 34px; min-width: 40px; padding: 0 10px; border: 0; border-radius: 8px; background: transparent; color: var(--text-2); font: 600 12.5px var(--font-ui); cursor: pointer; }
.pl-seg-b--on { background: var(--surface-solid); color: var(--text); box-shadow: var(--shadow-1); }
.pl-switch { position: relative; width: 46px; height: 28px; border-radius: 999px; border: 0; background: var(--border-strong); cursor: pointer; transition: background var(--dur-2); }
.pl-switch-dot { position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%; background: var(--surface-solid); box-shadow: var(--shadow-1); transition: transform var(--dur-2) var(--ease-out); }
.pl-switch--on { background: var(--accent); }
.pl-switch--on .pl-switch-dot { transform: translateX(18px); }
.pl-auto { display: grid; gap: 8px; }
.pl-auto-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 13px; }

/* HUD */
.pl-hud { position: absolute; left: 12px; right: 12px; bottom: 12px; z-index: var(--z-hud); display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; padding: 10px 14px; }
.pl-hud-ctl { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.pl-play { min-width: 132px; min-height: 48px; font-size: 15px; }
.pl-clock { display: flex; flex-direction: column; gap: 4px; min-width: 76px; }
.pl-clock-t { font-size: 22px; line-height: 1; }
.pl-clock-bar { height: 4px; border-radius: 999px; background: var(--border); overflow: hidden; }
.pl-clock-bar i { display: block; height: 100%; width: 0; background: var(--accent); }
.pl-speed { display: inline-flex; padding: 0; gap: 0; border-radius: var(--radius-1); background: var(--card); border: 2px solid var(--ink); box-shadow: 3px 3px 0 var(--ink); overflow: hidden; } /* r2-play */
.pl-speed-b { min-width: 40px; min-height: 36px; padding: 0 8px; border: 0; border-radius: 0; background: transparent; color: var(--ink); font: 700 12.5px var(--font-mono); cursor: pointer; }
.pl-speed-b--on { background: var(--yellow); color: var(--ink); box-shadow: none; }
.pl-hud-mid { display: grid; gap: 8px; min-width: 0; }
.pl-meters { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.pl-meter { min-width: 0; }
.pl-m-top { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-3); }
.pl-m-l { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pl-m-v { display: block; color: var(--text); font-size: 17px; margin-top: 2px; }
.pl-m-bar { position: relative; height: 6px; margin: 5px 0 3px; border-radius: 999px; background: var(--border); }
.pl-m-fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0; border-radius: 999px; background: var(--ok); transition: width var(--dur-2) var(--ease-out), background var(--dur-2); }
.pl-m-tick { position: absolute; top: -3px; bottom: -3px; width: 2px; background: var(--text-2); border-radius: 1px; }
.pl-meter[data-status="warn"] .pl-m-fill { background: var(--warn); }
.pl-meter[data-status="bad"] .pl-m-fill { background: var(--bad); }
.pl-meter[data-status="bad"] .pl-m-v::after { content: " ▲"; color: var(--bad); font-size: 10px; }
.pl-m-sub { display: block; font-size: 11.5px; color: var(--text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pl-sparks { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.pl-spark-l { font-size: 11.5px; color: var(--text-3); }
.pl-spark { display: block; width: 100%; height: 34px; }
.pl-hud[data-phase="build"] .pl-sparks, .pl-hud[data-phase="build"] .pl-meters { display: none; }
.pl-hud:not([data-phase="build"]) .pl-buildnote { display: none; }
.pl-buildnote { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; min-height: 28px; }
.pl-buildnote:empty::after { content: "Drag parts from the left, then connect them. Press Start day when ready."; color: var(--text-3); font-size: 13px; }
.pl-legend { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-3); align-items: flex-end; max-width: 220px; }
.pl-legend-scale { font-family: var(--font-mono); color: var(--text-2); }
.pl-legend-types { display: flex; flex-wrap: wrap; gap: 4px 10px; justify-content: flex-end; }
.pl-legend-t { display: inline-flex; align-items: center; gap: 4px; }
.pl-legend-n { color: var(--text-3); }
.pl-hud[data-phase="build"] .pl-legend { visibility: hidden; }

.pl-banner { position: absolute; top: 64px; left: 50%; transform: translateX(-50%); z-index: var(--z-drawer); display: flex; align-items: center; gap: 12px; padding: 10px 18px 10px 12px; max-width: min(560px, calc(100% - 32px)); border-color: var(--warn); animation: pl-drop var(--dur-3) var(--ease-out); }
.pl-banner--3 { border-color: var(--bad); }
.pl-banner--1 { border-color: var(--info); }
.pl-banner-ic { color: var(--warn); }
.pl-banner--3 .pl-banner-ic { color: var(--bad); }
.pl-banner-txt { display: flex; flex-direction: column; font-size: 13.5px; color: var(--text-2); }
.pl-banner-txt b { color: var(--text); font-size: 15px; }
.pl-banner--still { animation: none; }
@keyframes pl-drop { from { opacity: 0; transform: translate(-50%, -12px); } to { opacity: 1; transform: translate(-50%, 0); } }
.pl-goal { position: absolute; top: 64px; left: 50%; transform: translateX(-50%); z-index: var(--z-drawer); display: flex; align-items: center; gap: 10px; padding: 8px 16px; font-size: 14px; font-weight: 500; max-width: calc(100% - 32px); }
.pl-goal--ok { border-color: var(--ok); }
.pl-goal--done { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 18%, var(--surface-strong)); }
.pl-goal-bar { width: 80px; height: 6px; border-radius: 999px; background: var(--border); overflow: hidden; }
.pl-goal-bar i { display: block; height: 100%; background: var(--ok); }
.pl-root[data-mode="lesson"] .pl-goal > .pl-ic, .pl-root[data-mode="lesson"] .pl-goal-bar { flex-shrink: 0; }
.pl-root[data-mode="lesson"] .pl-hud.pl-hud--queues .pl-m-sub { display: block; white-space: normal; overflow: visible; }
.pl-caption { position: absolute; bottom: calc(var(--pl-hud-h, 126px) + 24px); left: 50%; transform: translateX(-50%); z-index: var(--z-drawer); max-width: min(520px, calc(100% - 32px)); padding: 10px 18px; font-size: 15px; text-align: center; }
.pl-slow { position: absolute; top: calc(var(--pl-hud-end, 150px) + 8px); left: 16px; right: 16px; margin-inline: auto; width: fit-content; z-index: var(--z-drawer); max-width: min(520px, calc(100% - 32px)); padding: 6px 14px; font-size: 13px; line-height: 1.35; text-align: center; border-radius: 14px; background: var(--surface-solid); border: 1px solid var(--border-strong); color: var(--text-2); pointer-events: none; }
.pl-slow[hidden] { display: none; }
.pl-slow-short { display: none; }
.pl-issues { position: absolute; left: 304px; bottom: calc(var(--pl-hud-h, 126px) + 24px); z-index: var(--z-drawer); width: 340px; max-height: 40%; overflow: auto; padding: 8px; display: grid; gap: 4px; }
.pl-issues-h { display: flex; align-items: center; gap: 8px; padding: 2px 4px; }
.pl-issues-h b { flex: 1; }
.pl-issue { display: flex; gap: 8px; align-items: flex-start; text-align: left; padding: 8px; border: 0; border-radius: var(--radius-2); background: transparent; color: var(--text-2); font: 400 13px var(--font-ui); cursor: pointer; }
.pl-issue:hover { background: var(--accent-soft); }
.pl-issue .pl-ic { margin-top: 2px; }
.pl-issue--error .pl-ic { color: var(--bad); } .pl-issue--warn .pl-ic { color: var(--warn); } .pl-issue--info .pl-ic { color: var(--info); }
.pl-menu { position: absolute; left: 0; top: 0; z-index: var(--z-drawer); width: 180px; padding: 4px; }
.pl-menu-b { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 40px; padding: 0 10px; border: 0; border-radius: var(--radius-2); background: transparent; color: var(--text); font: 500 14px var(--font-ui); text-align: left; cursor: pointer; }
.pl-menu-b:hover { background: var(--accent-soft); }

/* step panel (clarify, numbers) */
.pl-scrim { position: absolute; inset: 0; z-index: calc(var(--z-panel) + 1); background: color-mix(in srgb, var(--bg) 62%, transparent); }
.pl-panel { position: absolute; left: 50%; top: 76px; transform: translateX(-50%); z-index: var(--z-drawer); width: min(640px, calc(100% - 24px)); max-height: calc(100% - 96px); overflow-y: auto; padding: 24px; box-shadow: var(--shadow-3); animation: pl-rise var(--dur-3) var(--ease-out); }
@keyframes pl-rise { from { opacity: 0; transform: translate(-50%, 12px); } to { opacity: 1; transform: translate(-50%, 0); } }
.pl-panel-foot { display: flex; gap: 10px; align-items: center; justify-content: flex-end; margin-top: 20px; flex-wrap: wrap; }
/* the action row stays in view while the card scrolls; its top edge shows there is more above */
.pl-panel > .pl-panel-foot { position: sticky; bottom: -24px; z-index: 1; margin: 20px -24px -24px; padding: 12px 24px; background: var(--surface-solid); border-top: 1px solid var(--border); border-radius: 0 0 var(--radius-3) var(--radius-3); }
.pl-panel { background: var(--surface-strong); }
.pl-panel-foot > .pl-muted { margin-right: auto; }
.pl-qlist { display: grid; gap: 8px; margin: 14px 0 0; }
.pl-qcard { border: 1px solid var(--border-strong); border-radius: var(--radius-2); background: var(--surface-solid); overflow: hidden; }
.pl-q { display: flex; align-items: center; gap: 8px; width: 100%; min-height: 48px; padding: 8px 12px; border: 0; background: transparent; color: var(--text); font: 600 14.5px var(--font-ui); text-align: left; cursor: pointer; }
.pl-q-chev { transition: transform var(--dur-2) var(--ease-out); }
.pl-q--open .pl-q-chev { transform: rotate(90deg); }
.pl-qa { padding: 0 14px 0 36px; max-height: 0; overflow: hidden; color: var(--text-2); transition: max-height var(--dur-3) var(--ease-out), padding var(--dur-3) var(--ease-out); }
.pl-q--open .pl-qa { max-height: 200px; padding-bottom: 12px; }
.pl-nlist { display: grid; gap: 12px; margin-top: 14px; }
.pl-ncard { padding: 14px; border: 1px solid var(--border-strong); border-radius: var(--radius-2); background: var(--surface-solid); }
.pl-nlabel { font-weight: 600; margin-bottom: 4px; }
.pl-nout { font: 600 22px var(--font-display); margin-bottom: 4px; }
.pl-ncontrols { display: flex; align-items: center; gap: 12px; }
.pl-ncontrols .pl-range { flex: 1; min-width: 0; }
.pl-nentry { display: flex; align-items: center; gap: 6px; font-size: 12px; }
.pl-ninput { width: 110px; min-width: 0; }
.pl-nscale { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--text-3); font-family: var(--font-mono); }
.pl-nresult { margin-top: 8px; }
.pl-nworked { font-size: 14px; }
.pl-verdict { padding: 6px 10px; border-radius: 8px; font-weight: 600; font-size: 13.5px; margin-bottom: 6px; width: fit-content; }
.pl-verdict--ok { background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok); }
.pl-verdict--warn { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }
.pl-verdict--bad { background: color-mix(in srgb, var(--bad) 16%, transparent); color: var(--bad); }

/* hints */
.pl-hints { position: absolute; right: 344px; bottom: calc(var(--pl-hud-h, 126px) + 24px); width: 340px; max-width: calc(100% - 24px); max-height: 60%; z-index: var(--z-drawer); display: flex; flex-direction: column; padding: 12px; animation: pl-rise2 var(--dur-3) var(--ease-out); }
@keyframes pl-rise2 { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.pl-hints-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.pl-hints-head .pl-muted { flex: 1; font-size: 12px; }
.pl-hints-list { overflow-y: auto; display: grid; gap: 8px; }
.pl-hint { padding: 10px 12px; border-radius: var(--radius-2); border: 1px dashed var(--border-strong); }
.pl-hint--open { border-style: solid; background: var(--surface-solid); }
.pl-hint-tier { font-size: 12px; font-weight: 600; color: var(--accent); margin-bottom: 4px; }
.pl-hint p { margin: 0; font-size: 14px; }
.pl-hints-foot { margin-top: 10px; display: flex; }
.pl-hints-foot .pl-btn { flex: 1; }

/* sandbox traffic panel */
.pl-traffic { flex: 1 1 220px; min-height: 120px; overflow-y: auto; padding: 12px 14px 16px; }
.pl-tp-head { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.pl-tp-head b { flex: 1; }
.pl-traffic--closed { flex: none; min-height: 0; padding-bottom: 6px; }
.pl-traffic--closed .pl-tabs, .pl-traffic--closed .pl-tp-pane { display: none; }
/* the debrief has its own buttons; the canvas tools would only sit on top of its heading */
.pl-root[data-step="debrief"] .pl-tools { display: none; }
.pl-tp-h { font-size: 12px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); margin: 14px 0 4px; }
.pl-tp-row { display: block; margin-bottom: 4px; }
.pl-tp-top { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.pl-tp-top > :nth-child(2) { flex: 1; }
.pl-tp-shape { display: inline-flex; line-height: 0; }
.pl-deck-g { font-size: 12px; font-weight: 600; color: var(--text-3); margin: 12px 0 4px; text-transform: uppercase; letter-spacing: 0.06em; }
.pl-deck-row { display: flex; flex-wrap: wrap; gap: 6px; }
.pl-deck-b { display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 0 10px; border-radius: var(--radius-2); border: 1px solid var(--border-strong); background: var(--surface-solid); color: var(--text); font: 500 12.5px var(--font-ui); cursor: pointer; transition: transform var(--dur-1) var(--ease-out), border-color var(--dur-1); }
.pl-deck-b:hover { border-color: var(--accent); }
.pl-deck-b:active { transform: scale(0.95); }
.pl-sev-3 { border-left: 3px solid var(--bad); } .pl-sev-2 { border-left: 3px solid var(--warn); } .pl-sev-1 { border-left: 3px solid var(--info); }

/* overlays: debrief and editorial */
.pl-overlay { position: absolute; inset: 0; z-index: var(--z-modal); overflow-y: auto; background: var(--bg); padding: 72px 16px 48px; animation: pl-fade var(--dur-3) var(--ease-out); }
.pl-root[data-step="debrief"] .pl-top { z-index: calc(var(--z-modal) + 1); }
.pl-overlay--editorial { z-index: calc(var(--z-modal) + 1); }
.pl-root .pl-overlay--debrief { bottom: calc(var(--pl-hud-h, 126px) + 24px); background: var(--bg); animation: none; }
.pl-overlay--debrief .pl-footnote .pl-approx { white-space: normal; }
.pl-root[data-step="debrief"] .pl-stage, .pl-root[data-step="debrief"] .pl-left, .pl-root[data-step="debrief"] .pl-right { visibility: hidden; }
@media (max-width: 719px) {
  .pl-root[data-step="debrief"] .pl-hud { top: auto; bottom: 8px; }
}
@keyframes pl-fade { from { opacity: 0; } to { opacity: 1; } }
.pl-debrief, .pl-editorial { max-width: 900px; margin: 0 auto; }
.pl-verdict-line { font: 700 26px var(--font-display); line-height: 1.2; margin: 0 0 18px; }
.pl-score-row { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.pl-score-side { display: grid; gap: 8px; }
.pl-challenge-friend { justify-self: start; }
.pl-dial { position: relative; width: 140px; height: 140px; flex: none; }
.pl-dial-track { stroke: var(--border); }
.pl-dial-arc { stroke: var(--accent); }
.pl-dial-c { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.pl-dial-n { font-size: 38px; line-height: 1; }
.pl-dial-n--4 { font-size: 27px; letter-spacing: -0.02em; }
.pl-dial-of { font-size: 11px; color: var(--text-3); }
.pl-stars { display: flex; gap: 4px; }
.pl-star { color: var(--text-3); }
.pl-star--on { color: var(--warn); animation: pl-pop var(--dur-3) var(--ease-out) backwards; }
.pl-star--on:nth-child(2) { animation-delay: 150ms; } .pl-star--on:nth-child(3) { animation-delay: 300ms; }
@keyframes pl-pop { from { transform: scale(0.4); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.pl-slo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-top: 26px; }
.pl-slo { padding: 14px; border-radius: var(--radius-3); background: var(--surface-solid); border: 1px solid var(--border-strong); border-top: 4px solid var(--ok); }
.pl-slo--bad { border-top-color: var(--bad); }
.pl-slo--none { border-top-color: var(--border-strong); }
.pl-slo--none .pl-slo-flag { color: var(--text-3); }
.pl-watch { display: flex; gap: 12px; align-items: flex-start; margin-top: 18px; padding: 12px 14px; border-radius: var(--radius-3); border: 1px solid var(--warn); background: color-mix(in srgb, var(--warn) 10%, transparent); }
.pl-watch .pl-ic { color: var(--warn); margin-top: 2px; }
.pl-slo-top { display: flex; align-items: center; gap: 8px; }
.pl-slo-flag { margin-left: auto; display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 600; color: var(--ok); }
.pl-slo--bad .pl-slo-flag { color: var(--bad); }
.pl-slo-pts { font-size: 28px; margin: 6px 0; }
.pl-slo-ta { display: grid; gap: 2px; font-size: 12.5px; color: var(--text-2); }
.pl-slo-ta i { font-style: normal; color: var(--text-3); }
.pl-slo-why { margin: 8px 0 0; padding-left: 16px; font-size: 12.5px; color: var(--text-2); }
.pl-tl { position: relative; padding-top: 0; }
.pl-tl-svg { display: block; width: 100%; height: auto; }
.pl-tl-grid { stroke: var(--border); stroke-width: 1; }
.pl-tl-axis { fill: var(--text-3); font: 500 10px var(--font-mono); }
.pl-tl-offered { fill: var(--border-strong); }
.pl-tl-success { fill: color-mix(in srgb, var(--ok) 40%, transparent); }
.pl-tl-bad-bg { fill: color-mix(in srgb, var(--bad) 18%, transparent); }
.pl-tl-bad-fg { fill: var(--bad); }
.pl-tl-mark { position: absolute; top: 0; transform: translateX(-50%); width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; border: 1.5px solid var(--warn); background: var(--surface-solid); color: var(--warn); cursor: pointer; padding: 0; }
.pl-tl-mark::before { content: ""; position: absolute; inset: -9px; } /* r2-play: 44px hit area */
.pl-tl-mark:hover { background: var(--accent-soft); }
.pl-tl-key { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--text-3); margin-top: 6px; }
.pl-key { display: inline-block; width: 14px; height: 8px; border-radius: 2px; margin-right: 6px; }
.pl-key--offered { background: var(--border-strong); } .pl-key--ok { background: var(--ok); } .pl-key--bad { background: repeating-linear-gradient(45deg, var(--bad) 0 2px, transparent 2px 4px); }
/* Light: a pale outlined offered band under solid served, so the gap between them stays visible. */
:root[data-theme="light"] .pl-tl-offered { fill: var(--border); stroke: var(--border-strong); stroke-width: 1.5; stroke-linejoin: round; }
:root[data-theme="light"] .pl-tl-success { fill: var(--ok); }
:root[data-theme="light"] .pl-key--offered { background: var(--border); box-shadow: inset 0 0 0 1.5px var(--border-strong); }
.pl-stories { margin-top: 28px; display: grid; gap: 12px; }
.pl-stories h3 { margin: 0; }
.pl-story { border: 1px solid var(--border-strong); border-radius: var(--radius-3); background: var(--surface-solid); padding: 14px 16px; }
.pl-story-head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.pl-story-ic { color: var(--warn); }
.pl-story-1 { font-weight: 600; }
.pl-tag { display: inline-block; margin-right: 8px; padding: 1px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; border: 1px solid currentColor; }
.pl-tag--bad { color: var(--bad); } .pl-tag--ok { color: var(--ok); } .pl-tag--info { color: var(--info); }
.pl-counters { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 8px; }
.pl-real { font-size: 13px; }
.pl-tradeoffs { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.pl-tradeoffs li { display: flex; gap: 12px; align-items: flex-start; padding: 10px 12px; border-radius: var(--radius-2); background: var(--surface-solid); border: 1px solid var(--border); }
.pl-to-ic { color: var(--accent); margin-top: 2px; }
.pl-next { display: flex; gap: 14px; align-items: center; margin-top: 28px; padding: 14px 16px; border-radius: var(--radius-3); background: var(--accent-soft); border: 1px solid var(--accent); }
.pl-next > div { flex: 1; } .pl-next p { margin: 2px 0 0; }
.pl-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 28px; }
.pl-ed-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.pl-ed-why { font-size: 15px; color: var(--text-2); }
.pl-ed-warn { display: flex; gap: 8px; align-items: flex-start; padding: 10px 12px; border-radius: var(--radius-2); border: 1px solid var(--warn); background: color-mix(in srgb, var(--warn) 12%, transparent); font-size: 14px; }
.pl-ed-warn .pl-ic { color: var(--warn); margin-top: 2px; }
.pl-ed-expect { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
.pl-ed-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.pl-dg-wrap { overflow-x: auto; margin: 6px 0; border-radius: var(--radius-3); background: var(--surface-solid); border: 1px solid var(--border); }
.pl-dg { display: block; min-width: 100%; max-width: none; height: auto; }
.pl-dg-edge { fill: none; stroke: var(--edge-flow); stroke-width: 1.5; }
.pl-dg-node { fill: var(--surface-solid); stroke-width: 1.75; }
.pl-dg-label { fill: var(--text-2); font: 500 13px var(--font-ui); }
.pl-modal { position: absolute; inset: 0; z-index: calc(var(--z-modal) + 2); display: grid; place-items: center; background: color-mix(in srgb, var(--bg) 60%, transparent); padding: 16px; }
.pl-modal-card { width: min(480px, 100%); padding: 20px; box-shadow: var(--shadow-3); }

/* connecting mode */
.pl-connecting .pl-stage { cursor: crosshair; }

/* keyboard: skip link, diagram focus layer, screen-reader notes */
.pl-skip { position: absolute; left: 12px; top: -80px; z-index: calc(var(--z-modal) + 3); min-height: 44px; padding: 0 16px; border-radius: var(--radius-2); border: 1px solid var(--accent); background: var(--surface-solid); color: var(--text); font: 600 14px var(--font-ui); cursor: pointer; }
.pl-skip:focus { top: 12px; }
.pl-kb { position: absolute; inset: 0; z-index: var(--z-canvas); pointer-events: none; border-radius: 4px; }
.pl-kb:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; }
.pl-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }

/* debrief: the step bar stays readable over scrolled content */
.pl-root[data-step="debrief"] .pl-steps, .pl-root[data-step="debrief"] .pl-tools { background: var(--surface-solid); -webkit-backdrop-filter: none; backdrop-filter: none; }

/* meter values never spill into the next meter */
.pl-m-v { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* lesson demos sit in a card about 800 px wide: a slim palette, a two-row status bar, one-line event notes */
@media (min-width: 720px) {
  .pl-root[data-mode="lesson"] .pl-left { width: 196px; top: 12px; bottom: auto; max-height: calc(100% - var(--pl-hud-h, 126px) - 40px); display: flex; }
  .pl-root[data-mode="lesson"] .pl-toolbar { height: auto; max-height: 100%; }
  .pl-root[data-mode="lesson"] .pl-goal > span:not(.pl-goal-bar) { white-space: normal; overflow-wrap: anywhere; min-width: 0; }
  .pl-root[data-mode="lesson"] .pl-right { width: 260px; top: 56px; }
  .pl-root[data-mode="lesson"] .pl-hud { grid-template-columns: auto minmax(0, 1fr); gap: 6px 12px; padding: 8px 10px; }
  .pl-root[data-mode="lesson"] .pl-legend, .pl-root[data-mode="lesson"] .pl-sparks, .pl-root[data-mode="lesson"] .pl-m-bar { display: none; }
  .pl-root[data-mode="lesson"] .pl-meters { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px 14px; }
  .pl-root[data-mode="lesson"] .pl-m-v { font-size: 15px; }
  .pl-root[data-mode="lesson"] .pl-goal { top: 8px; max-width: calc(100% - 400px); }
  .pl-root[data-mode="lesson"] .pl-banner { top: 54px; padding: 6px 12px 6px 8px; max-width: min(360px, calc(100% - 420px)); animation: none; }
  .pl-root[data-mode="lesson"] .pl-banner-txt span { display: none; }
  .pl-root[data-mode="lesson"] .pl-caption { max-width: min(420px, calc(100% - 440px)); font-size: 14px; }
}

/* phones */
@media (max-width: 719px) {
  .pl-root { font-size: 14px; }
  .pl-top { top: 8px; left: 8px; right: 8px; flex-wrap: wrap; }
  .pl-steps { max-width: 100%; overflow-x: auto; }
  .pl-top { flex-wrap: wrap; gap: 6px; }
  .pl-tools { margin-left: auto; }
  .pl-step { min-width: 44px; min-height: 44px; padding: 0 4px; justify-content: center; }
  .pl-step-l, .pl-step--on .pl-step-l { display: none; }
  .pl-tools .pl-icon-btn { width: 44px; height: 44px; }
  .pl-hud { left: 8px; right: 8px; bottom: auto; top: calc(var(--pl-top-end, 56px) + 6px); grid-template-columns: 1fr; gap: 6px; padding: 8px 10px; }
  .pl-hud:not([data-phase="build"]) .pl-m-bar, .pl-hud:not([data-phase="build"]) .pl-m-sub, .pl-hud:not([data-phase="build"]) .pl-legend { display: none; }
  .pl-hud:not([data-phase="build"]) .pl-meters { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2px 8px; }
  .pl-hud:not([data-phase="build"]) .pl-m-v { font-size: 13.5px; }
  .pl-hud:not([data-phase="build"]) .pl-m-top { font-size: 10.5px; gap: 3px; }
  .pl-clock-t { font-size: 18px; }
  .pl-speed-b { min-height: 40px; }
  .pl-hud-ctl { gap: 6px; }
  .pl-play { min-width: 0; min-height: 44px; padding: 0 12px; }
  .pl-speed-b { min-width: 34px; padding: 0 4px; }
  .pl-hud[data-phase="build"] .pl-meters { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 10px; }
  .pl-sparks, .pl-legend-types { display: none; }
  .pl-legend { align-items: flex-start; max-width: none; }
  .pl-hud[data-phase="build"] .pl-legend { display: none; }
  .pl-left { left: 0; right: 0; bottom: 0; top: auto; width: auto; transform: translateY(100%); transition: transform var(--dur-3) var(--ease-out); }
  .pl-left:has(.pl-toolbar--open) { transform: none; }
  .pl-toolbar { border-radius: var(--radius-4) var(--radius-4) 0 0; position: relative; overflow: visible; }
  .pl-tb-grab--pulse { animation: pl-pulse 1.2s var(--ease-in-out) infinite; }
  .pl-tb-grab { display: inline-flex; position: absolute; top: -56px; left: 12px; align-items: center; gap: 8px; min-height: 44px; padding: 0 16px; border-radius: var(--radius-1); border: 2px solid var(--ink); background: var(--tomato); color: var(--ink); font: 700 14px var(--font-ui); box-shadow: 3px 3px 0 var(--ink); cursor: pointer; pointer-events: auto; }
  .pl-has-selection .pl-tb-grab { display: none; }
  .pl-tb-body, .pl-tb-head, .pl-cattabs { overflow-x: hidden; }
  .pl-cattabs { display: flex; overflow-x: auto; }
  .pl-cattab { width: 44px; height: 44px; }
  /* touch: every control at least 44 px */
  .pl-icon-btn, .pl-stepper .pl-icon-btn { width: 44px; height: 44px; }
  .pl-btn, .pl-btn--small, .pl-seg-b, .pl-tab, .pl-deck-b, .pl-menu-b { min-height: 44px; }
  .pl-switch { width: 72px; height: 44px; }
  .pl-switch-dot { width: 38px; height: 38px; }
  .pl-switch--on .pl-switch-dot { transform: translateX(28px); }
  .pl-cat-head { min-height: 44px; }
  .pl-tb-body { border-radius: 0; }
  /* at least 45% of the height stays canvas: the sheet is short, and it folds to its title while a part is dragged or connected */
  .pl-left { height: max(220px, calc(55% - var(--pl-hud-end, 182px))); }
  .pl-right { left: 8px; right: 8px; top: auto; bottom: 64px; width: auto; max-height: max(196px, calc(55% - var(--pl-hud-end, 182px) - 64px)); }
  /* the folded traffic strip gives its place to the open part sheet */
  .pl-has-selection .pl-traffic { display: none; }
  .pl-root:not([data-phase="build"]) .pl-req { display: none; }
  .pl-req { max-height: 40%; }
  .pl-inspector { max-height: 100%; min-height: 0; border-radius: var(--radius-4) var(--radius-4) var(--radius-2) var(--radius-2); }
  .pl-hints { right: 8px; left: 8px; width: auto; bottom: 64px; }
  .pl-issues { left: 8px; right: 8px; width: auto; bottom: 70px; }
  .pl-caption { bottom: 124px; font-size: 14px; }
  /* the card starts under the step picker and tools row, whose height changes with the width */
  .pl-panel { top: calc(var(--pl-top-end, 56px) + 8px); padding: 16px; max-height: calc(100% - var(--pl-top-end, 56px) - 16px); width: calc(100% - 16px); background: var(--surface-solid); -webkit-backdrop-filter: none; backdrop-filter: none; }
  .pl-panel > .pl-panel-foot { bottom: -16px; margin: 16px -16px -16px; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); display: grid; grid-template-columns: auto 1fr; gap: 8px; }
  .pl-panel > .pl-panel-foot > .pl-btn--primary { grid-column: 1 / -1; width: 100%; }
  .pl-panel > .pl-panel-foot > .pl-muted { margin: 0; align-self: center; }
  .pl-panel > .pl-panel-foot > .pl-btn:not(.pl-btn--primary):only-of-type { grid-column: 1 / -1; }
  .pl-root[data-step="clarify"] .pl-left, .pl-root[data-step="numbers"] .pl-left,
  .pl-root[data-step="clarify"] .pl-right, .pl-root[data-step="numbers"] .pl-right { visibility: hidden; }
  .pl-goal { top: calc(var(--pl-hud-end, 150px) + 8px); }
  .pl-banner { top: auto; bottom: 128px; left: 8px; right: 8px; transform: none; max-width: none; pointer-events: none; animation: none; }
  .pl-root:not([data-mode="lesson"]):not([data-mode="intro"]) .pl-banner { top: calc(var(--pl-hud-end, 150px) + 8px); bottom: auto; gap: 8px; padding: 6px 12px 6px 8px; min-height: 36px; pointer-events: auto; cursor: pointer; }
  .pl-root:not([data-mode="lesson"]):not([data-mode="intro"]) .pl-banner .pl-banner-ic { width: 20px; height: 20px; flex: none; }
  .pl-root:not([data-mode="lesson"]):not([data-mode="intro"]) .pl-banner:not(.pl-banner--open) .pl-banner-txt { flex-direction: row; align-items: baseline; gap: 8px; min-width: 0; white-space: nowrap; }
  .pl-root:not([data-mode="lesson"]):not([data-mode="intro"]) .pl-banner:not(.pl-banner--open) .pl-banner-txt b { flex: none; font-size: 14px; }
  .pl-root:not([data-mode="lesson"]):not([data-mode="intro"]) .pl-banner:not(.pl-banner--open) .pl-banner-txt span { overflow: hidden; text-overflow: ellipsis; min-width: 0; font-size: 13px; }
  /* the slow-playback note sits beside the clock, off the diagram */
  .pl-root:not([data-mode="lesson"]):not([data-mode="intro"]) .pl-slow { top: calc(var(--pl-top-end, 56px) + 16px); left: auto; right: 18px; margin: 0; width: 112px; max-width: none; padding: 0; border: 0; border-radius: 0; background: none; -webkit-backdrop-filter: none; backdrop-filter: none; font-size: 11px; line-height: 1.25; text-align: right; z-index: calc(var(--z-hud) + 1); }
  .pl-root:not([data-mode="lesson"]):not([data-mode="intro"]) .pl-slow-long { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .pl-root:not([data-mode="lesson"]):not([data-mode="intro"]) .pl-slow-short { display: inline; }
  .pl-overlay { padding-top: 112px; }
  .pl-root:has(.pl-toolbar--open) .pl-right { display: none; }
  .pl-verdict-line { font-size: 21px; }
  /* one row for the step pills and the tools; redo and the editorial stay one tap away elsewhere */
  .pl-top { flex-wrap: nowrap; }
  .pl-steps { flex: 0 1 auto; min-width: 0; }
  .pl-tools { flex: none; }
  .pl-tool--redo, .pl-tool--editorial { display: none; }
  /* the build status is one line */
  .pl-hud[data-phase="build"] { grid-template-columns: auto minmax(0, 1fr); align-items: center; }
  .pl-hud[data-phase="build"] .pl-buildnote { flex-wrap: nowrap; overflow: hidden; min-width: 0; }
  .pl-hud[data-phase="build"] .pl-buildnote > .pl-chip { flex: 0 1 auto; min-width: 0; white-space: normal; display: inline-flex; align-items: center; gap: 6px; line-height: 1.25; padding-block: 5px; min-height: 44px; }
  .pl-hud[data-phase="build"] .pl-buildnote > .pl-chip--cost { display: none; }
  .pl-chip--btn { min-height: 44px; line-height: 44px; }
  .pl-hud[data-phase="build"] .pl-buildnote > .pl-chip--btn { flex: none; }
  .pl-steps { padding: 2px; }
  .pl-steps-list { gap: 0; }
  .pl-score-row { flex-wrap: nowrap; gap: 14px; }
  .pl-dial { width: 112px; height: 112px; }
  .pl-dial svg { width: 112px; height: 112px; }
  .pl-dial-n { font-size: 30px; }
  .pl-score-side { min-width: 0; }
  .pl-traffic { max-height: 46vh; }
}

@media (max-width: 1000px) and (min-width: 720px) {
  .pl-left { width: 240px; }
  .pl-right { width: 280px; }
  .pl-issues { left: 264px; }
  .pl-meters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pl-sparks { display: none; }
  /* the status bar stacks: run controls on top, the four numbers in one row under them, so no value is squeezed to nothing */
  .pl-hud { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .pl-meters { grid-template-columns: repeat(4, minmax(120px, 1fr)); gap: 8px 14px; }
  .pl-legend { align-items: flex-start; max-width: none; flex-direction: row; flex-wrap: wrap; gap: 4px 14px; }
  .pl-legend-types { justify-content: flex-start; }
}

/* low effects: no frosted-glass blur when the renderer has stepped down to its lowest quality */
:root[data-fx="low"] .pl-root * { -webkit-backdrop-filter: none; backdrop-filter: none; }

/* reduced motion: no slides, springs or pulses; short fades only */
:root[data-motion="reduce"] .pl-root *, :root[data-motion="reduce"] .pl-root *::before, :root[data-motion="reduce"] .pl-root *::after { animation: none; transition-duration: 0ms; scroll-behavior: auto; }
:root[data-motion="reduce"] .pl-root .pl-overlay { animation: pl-fade 120ms linear; }

/* phones: the build status may take two lines so its whole sentence reads; small print is at least 12 px and every
   control at least 44 px */
@media (max-width: 719px) {
  .pl-hud[data-phase="build"] .pl-buildnote { flex-wrap: wrap; overflow: visible; }
  .pl-hud[data-phase="build"] .pl-buildnote > .pl-chip:not(.pl-chip--cost) { display: inline-flex; white-space: normal; line-height: 1.25; text-overflow: clip; padding: 4px 10px; min-height: 44px; max-width: 100%; font-size: 12.5px; }
  .pl-hud[data-phase="build"] .pl-buildnote > .pl-chip--btn { flex: 0 1 auto; min-height: 44px; line-height: 1.25; }
  .pl-item-sub, .pl-cat-count, .pl-m-sub, .pl-spark-l, .pl-nscale, .pl-dial-of, .pl-tag { font-size: 12px; }
  .pl-hud:not([data-phase="build"]) .pl-m-top { font-size: 12px; }
  .pl-toolbar .pl-input[type="search"] { min-height: 44px; }
}

/* captions: the sentence, then its buttons in their own right-aligned row */
.pl-caption { padding: 12px 18px; }
.pl-caption-acts { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }
.pl-modal-card .pl-ed-top { margin-bottom: 10px; }
.pl-reset { min-height: 36px; padding: 0 10px; gap: 6px; white-space: nowrap; }
@media (max-width: 719px) { .pl-reset { min-height: 44px; min-width: 44px; padding: 0 10px; } .pl-reset-l { display: none; } }
@media (max-width: 719px) {
  /* with a settings sheet open, coaching lines move to the top so they never cover the sheet's text */
  .pl-root.pl-has-selection .pl-caption { top: calc(var(--pl-hud-end, 150px) + 8px); bottom: auto; }
}
/* the hint list scrolls inside the drawer, so the newest hint is never hidden under the button */
.pl-hints-list { min-height: 0; flex: 1 1 auto; }
.pl-hints-foot { flex: none; }

.pl-versus { margin-bottom: 18px; padding: 14px 16px; border-radius: var(--radius-3); border: 1px solid var(--accent); background: var(--accent-soft); }
.pl-versus-top { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.pl-versus-title { margin: 0; font-size: 1.25rem; }
.pl-versus-table { width: 100%; border-collapse: collapse; margin-bottom: 12px; }
.pl-versus-table th, .pl-versus-table td { text-align: left; padding: 4px 8px 4px 0; font-weight: 500; }
.pl-versus-table thead th { font-size: 0.8rem; opacity: 0.75; }
.pl-vs-num { font-variant-numeric: tabular-nums; }
.pl-vs--win { font-weight: 700; color: var(--ok, var(--accent)); }

/* the slow-device note sits just above the bottom HUD (desktop layouts) and always inside the window */
@media (min-width: 720px) {
  .pl-slow { top: auto; bottom: calc(var(--pl-hud-h, 126px) + 24px); max-height: calc(100% - 96px); overflow: hidden; }
  .pl-root:has(.pl-slow:not([hidden])) .pl-caption { bottom: calc(var(--pl-hud-h, 126px) + 24px + 44px); }
}
/* the control a lesson step names */
.pl-knob--point { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: var(--radius-2); animation: pl-pulse 1.2s var(--ease-in-out) infinite; }
@media (max-width: 719px) {
  .pl-speed-b { min-width: 44px; min-height: 44px; }
  /* with a sheet open the coaching line moves to the top and shrinks to two lines beside its button */
  .pl-root:has(.pl-toolbar--open) .pl-caption, .pl-root.pl-has-selection .pl-caption { top: calc(var(--pl-hud-end, 150px) + 8px); bottom: auto; display: flex; align-items: center; gap: 8px; padding: 6px 12px; font-size: 13px; text-align: left; }
  .pl-root:has(.pl-toolbar--open) .pl-caption-t, .pl-root.pl-has-selection .pl-caption-t { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1 1 auto; min-width: 0; }
  .pl-root:has(.pl-toolbar--open) .pl-caption-acts, .pl-root.pl-has-selection .pl-caption-acts { margin: 0; flex: none; }
}

/* Learn this (debrief) */
.pl-learn { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: 14px; border: 1px solid var(--border); background: color-mix(in srgb, var(--accent) 8%, var(--surface-solid, transparent)); }
.pl-learn-list { margin: 6px 0 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.pl-learn-link { font-weight: 600; color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* lesson demos on phones: a one-line status bar so the diagram keeps most of the stage, the coaching line docks at the top */
@media (max-width: 719px) {
  .pl-root:is([data-mode="lesson"], [data-mode="intro"]) { min-height: 0; }
  .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-hud { grid-template-columns: auto minmax(0, 1fr); gap: 6px 10px; padding: 6px 8px; align-items: center; }
  .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-clock-t { font-size: 16px; }
  .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-m-bar, .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-m-sub, .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-legend, .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-sparks { display: none; }
  .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-hud .pl-meters { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 8px; }
  .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-hud .pl-meter:nth-child(n+3) { display: none; }
  .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-hud .pl-m-v { font-size: 13px; }
  .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-caption { top: calc(var(--pl-hud-end, 120px) + 6px); bottom: auto; }
  .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-right { bottom: 8px; max-height: 46%; }
}
@media (max-width: 719px) {
  .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-speed, .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-play-l, .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-clock-bar, .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-clock > :not(.pl-clock-t) { display: none; }
  .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-play { min-width: 44px; padding: 0 10px; }
  .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-hud-ctl { flex-wrap: nowrap; }
  .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-clock { min-width: 0; }
  .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-goal { top: calc(var(--pl-hud-end, 64px) + 6px); max-width: calc(100% - 16px); }
  .pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-caption { top: calc(var(--pl-hud-end, 64px) + 52px); }
}

/* phone intro: no goal bar, so the coaching card docks right under the status bar, full width, and leaves the middle of the board free for the part it names */
@media (max-width: 719px) {
  .pl-root[data-mode="intro"] .pl-caption { top: calc(var(--pl-hud-end, 64px) + 6px); bottom: auto; max-width: calc(100% - 16px); width: calc(100% - 16px); padding: 10px 14px; font-size: 13.5px; line-height: 1.4; text-align: left; display: flex; align-items: flex-end; gap: 10px; }
  .pl-root[data-mode="intro"] .pl-caption-t { flex: 1 1 auto; min-width: 0; }
  .pl-root[data-mode="intro"] .pl-caption-acts { margin: 0; flex: none; }
}

/* inspector fold: a chevron that shrinks the sheet to its title row (phones and small tablets) */
.pl-insp-fold { display: none; }
.pl-inspector--folded .pl-insp-scroll { display: none; }
.pl-inspector--folded .pl-insp-head { border-bottom: 0; }
.pl-inspector--folded .pl-insp-fold .pl-ic { transform: rotate(180deg); }
@media (max-width: 899px) { .pl-insp-fold { display: inline-flex; } }

/* small tablets: the parts list is a button until it is wanted, and the side panels start folded */
@media (min-width: 720px) and (max-width: 899px) {
  .pl-toolbar:not(.pl-toolbar--open) { height: auto; width: max-content; background: none; border: 0; box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; overflow: visible; }
  .pl-toolbar:not(.pl-toolbar--open) > :not(.pl-tb-grab) { display: none; }
  .pl-tb-grab { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 16px; border-radius: var(--radius-1); border: 2px solid var(--ink); background: var(--tomato); color: var(--ink); font: 700 14px var(--font-ui); box-shadow: 3px 3px 0 var(--ink); cursor: pointer; flex: none; }
  .pl-toolbar--open .pl-tb-grab { margin: 8px 10px 0; align-self: flex-start; }
  .pl-tb-grab--pulse { animation: pl-pulse 1.2s var(--ease-in-out) infinite; }
  .pl-left { bottom: auto; max-height: calc(100% - 64px - var(--pl-hud-h, 126px) - 24px); display: flex; }
}

/* lessons: status labels wrap instead of being clipped, and the parts list and settings panel stay slim so the diagram keeps the room */
.pl-root:is([data-mode="lesson"], [data-mode="intro"]) .pl-m-l { white-space: normal; overflow: visible; text-overflow: clip; line-height: 1.2; }
.pl-root[data-mode="lesson"] .pl-m-sub { white-space: normal; overflow: visible; text-overflow: clip; line-height: 1.25; }
.pl-root[data-mode="lesson"] .pl-meters { align-items: start; }
@media (min-width: 720px) {
  .pl-root[data-mode="lesson"] .pl-hud { grid-template-columns: 1fr; gap: 6px; }
  .pl-root[data-mode="lesson"] .pl-meters { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2px 14px; }
  .pl-root[data-mode="lesson"] .pl-right { width: 236px; }
  .pl-root[data-mode="lesson"] .pl-goal { max-width: calc(100% - 380px); }
}
@media (max-width: 719px) {
  .pl-root[data-mode="lesson"] .pl-goal { left: 8px; right: 8px; transform: none; width: auto; max-width: none; justify-content: center; padding: 8px 12px; font-size: 13.5px; }
  .pl-root[data-mode="lesson"] .pl-hud .pl-m-top { font-size: 11px; }
  .pl-root[data-mode="lesson"] .pl-hud .pl-meters { gap: 2px 10px; }
}

.pl-issue-wrap { display: grid; gap: 2px; }
.pl-issue-fix { justify-self: start; margin: 0 8px 6px 30px; padding: 5px 12px; min-height: 32px; border-radius: 999px; border: 1px solid var(--accent); background: var(--accent-soft); color: var(--text); font: 600 12px var(--font-ui); cursor: pointer; }
.pl-issue-fix:hover { background: var(--accent); color: var(--on-accent, #fff); }
.pl-try > .pl-try-btns { flex: 0 0 auto; display: flex; gap: 8px; flex-wrap: wrap; }

/* intro and lessons: the setting a step names sits first in the sheet */
.pl-insp-scroll > .pl-knob + .pl-desc { margin-top: 12px; }

/* wide screens, while a day runs: the parts list folds to a slim strip of group icons, and the diagram takes the room */
@media (min-width: 900px) {
  .pl-left:has(.pl-toolbar--slim) { width: 60px; bottom: auto; }
  .pl-toolbar--slim { height: auto; }
  .pl-toolbar--slim .pl-tb-head, .pl-toolbar--slim .pl-tb-body, .pl-toolbar--slim .pl-tb-note { display: none; }
  .pl-toolbar--slim .pl-cattabs { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 8px; overflow: hidden; pointer-events: none; opacity: 0.75; }
}

.pl-trace { position: absolute; top: 64px; left: 304px; width: min(340px, calc(100% - 620px)); max-height: 35%; overflow: auto; z-index: var(--z-panel); padding: 10px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-solid); font-size: 12px; }
.pl-trace summary { cursor: pointer; font-weight: 600; }
.pl-trace label { display: block; margin-top: 10px; }
.pl-trace p { margin: 8px 0 0; }
@media (max-width: 719px) { .pl-trace { top: calc(var(--pl-hud-end, 150px) + 8px); left: 8px; width: calc(100% - 16px); max-height: 30%; } }
/* The free middle of the top row holds the request trace while drawing and the event banner while a day runs, so neither covers the diagram. */
.pl-root.pl-slot .pl-trace { top: 15px; left: var(--pl-slot-l); width: min(340px, var(--pl-slot-w)); padding: 12px; }
/* Small tablets: the steps keep only the current step's name, so the steps and the tools share one row and the panels below start clear of both. */
@media (min-width: 720px) and (max-width: 899px) {
  .pl-top { flex-wrap: nowrap; }
  .pl-step { padding: 0 6px; }
  .pl-step-l { display: none; }
  .pl-step--on { padding-right: 12px; }
  .pl-step--on .pl-step-l { display: inline; }
  .pl-tools { flex: none; flex-wrap: nowrap; }
  .pl-trace { left: 190px; width: min(340px, calc(100% - 190px - 356px)); }
  .pl-root:has(.pl-toolbar--open) .pl-trace { left: 264px; width: min(340px, calc(100% - 264px - 356px)); }
}
/* Where the top row has no free middle, the event banner sits under the row of folded panels instead of on top of them. */
@media (min-width: 720px) { .pl-root[data-step="day"]:not(.pl-slot) .pl-banner { top: 118px; } }
/* While a day runs on a wide screen, the slow-playback note sits in the status bar under the speed buttons, off the diagram. */
@media (min-width: 1001px) {
  .pl-root[data-step="day"] .pl-slow { top: auto; bottom: 20px; left: 28px; right: auto; margin: 0; width: auto; max-width: min(640px, 46%); padding: 0; border: 0; border-radius: 0; background: none; -webkit-backdrop-filter: none; backdrop-filter: none; font-size: 12px; text-align: left; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}
.pl-root.pl-slot .pl-banner { top: 12px; left: calc(var(--pl-slot-l) + var(--pl-slot-w) / 2); max-width: min(560px, var(--pl-slot-w)); }

/* round 4: phone debrief and intro polish */
@media (max-width: 480px) {
  /* "Try this next": icon and heading on one row, the text full width, the buttons in a row underneath */
  .pl-try { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 4px 10px; align-items: center; }
  .pl-try-body { display: contents; }
  .pl-try-body > b { grid-column: 2; grid-row: 1; }
  .pl-try-body > p { grid-column: 1 / -1; grid-row: 2; margin: 0; }
  .pl-try > .pl-try-btns { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 8px; }
  .pl-try > .pl-try-btns > .pl-btn { flex: 1 1 auto; }
}
@media (max-width: 719px) {
  /* the score numerals shrink with their digit count so "1,000" stays inside the ring */
  .pl-dial-n { font-size: 30px; }
  .pl-dial-n--4 { font-size: 22px; letter-spacing: -0.03em; }
  .pl-dial-of { font-size: 10px; }
  /* the step chip is solid and the debrief starts below it, so stars and the verdict pill never slide under it */
  .pl-root[data-step="debrief"] .pl-top { top: 0; left: 0; right: 0; padding: 8px 8px 6px; background: var(--surface-solid); border-bottom: 1px solid var(--border); }
  .pl-root[data-step="debrief"] .pl-steps, .pl-root[data-step="debrief"] .pl-tools { background: var(--surface-solid); }
  /* the intro caption may use four lines while a sheet is open */
  .pl-root[data-mode="intro"].pl-has-selection .pl-caption-t, .pl-root[data-mode="intro"]:has(.pl-toolbar--open) .pl-caption-t { -webkit-line-clamp: 4; line-clamp: 4; }
}

/* Diagram inspection controls keep panels independently collapsible. */
.pl-root.pl-diagram-large .pl-left, .pl-root.pl-diagram-large .pl-right, .pl-root.pl-parts-hidden .pl-left, .pl-root.pl-details-hidden .pl-right { display: none; }
.pl-root .pl-tools { flex-wrap: wrap; }

.pl-diagram-options { position: relative; }
.pl-top.pl-top--tools-open { z-index: var(--z-drawer); }
.pl-diagram-options-body { position: absolute; right: 0; top: 100%; display: grid; gap: 6px; padding: 10px; width: 210px; background: var(--surface-solid); border: 1px solid var(--border); border-radius: var(--radius-2); }
.pl-diagram-options-body [aria-pressed=true] { background: var(--accent-soft); border-color: var(--accent); }
@media (min-width: 720px) { .pl-opt--phone { display: none; } }

/* Keep the whole connection instruction visible above the phone canvas. */
@media (max-width: 719px) {
  .pl-root.pl-connecting .pl-caption { width: calc(100% - 16px); max-width: none; }
  .pl-root.pl-connecting .pl-caption-t { display: block; overflow: visible; -webkit-line-clamp: unset; }
}

/* Requested help stays above the debrief. */
.pl-hints{z-index:45!important}
/* Calibrated workbench surfaces and complete phone controls. */
.pl-root {font-size:16px}
.pl-toolbar,.pl-inspector,.pl-req,.pl-hud,.pl-panel,.pl-traffic,.pl-steps,.pl-tools,.pl-goal {background:var(--surface-solid);backdrop-filter:none;box-shadow:none;border-radius:12px}
.pl-btn,.pl-tab {border-radius:8px;min-height:44px}
.pl-btn--primary,.pl-tab--on {color:var(--on-accent)}
.pl-tb-item .pl-ic {color:var(--cat-compute)}
.pl-tb-item {min-height:44px}
.pl-m-l {white-space:normal;overflow:visible;text-overflow:clip;line-height:1.2}
.pl-step-picker {display:none}
.pl-root[data-step=debrief] .pl-hud {display:none}
.pl-root[data-phase=done] .pl-overlay {bottom:0;padding-bottom:24px}
.pl-debrief {animation:bench-enter 220ms ease-out both}
.pl-score-details {margin-top:24px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}
.pl-score-details>summary {padding:16px;cursor:pointer;font-weight:700}
.pl-score-details .pl-slo-grid {margin:0;padding:16px;grid-template-columns:repeat(2,minmax(0,1fr))}
.pl-slo {background:var(--surface-solid);box-shadow:none}
.pl-story {border-left:3px solid var(--warning,var(--warn))}
.pl-number-assumptions {padding:12px;background:var(--bg);border-left:3px solid var(--cat-data);font-size:14px}
.pl-number-assumptions ul {padding-left:18px;margin:8px 0 0}
.pl-hints {z-index:45!important}
.pl-root[data-mode=lesson] .pl-left {width:180px}
.pl-root[data-mode=lesson] .pl-goal {font-size:13px;max-width:50%}
@media(max-width:719px){
 .pl-top {display:flex;flex-wrap:nowrap!important;left:8px;right:8px;gap:6px}
 .pl-steps {flex:1 1 auto;max-width:150px;padding:0;border:none;background:transparent}
 .pl-steps-list {display:none}
 .pl-step-picker {display:block;width:100%;min-height:44px;padding:0 6px;border:1px solid var(--border);border-radius:8px;background:var(--surface-solid);color:var(--text);font:14px var(--font-ui)}
 .pl-tools {flex:0 1 auto;gap:0}
 .pl-tools .pl-tool--undo,.pl-tool--hint {display:none}
 .pl-m-top {font-size:11px!important;min-height:26px;align-items:start}
 .pl-m-top>.pl-ic {display:none}
 .pl-hud:not([data-phase=build]) .pl-m-v {font-size:13px}
 .pl-root[data-mode=lesson] .pl-left {width:auto}
 .pl-root[data-mode=lesson] .pl-goal {max-width:none;width:auto;font-size:12px;line-height:1.3;padding:8px;max-height:64px;overflow:auto}
 .pl-left {height:40%;max-height:340px}
 .pl-right {bottom:72px;max-height:40%;left:0;right:0} /* r2-play: panels stop above the Add component button */
 .pl-inspector,.pl-req,.pl-traffic {border-radius:12px 12px 0 0}
 .pl-score-details .pl-slo-grid {grid-template-columns:1fr;padding:12px}
 .pl-overlay {padding-top:72px}
 .pl-root[data-step=debrief] .pl-tools {display:none}
 .pl-root[data-step=debrief] .pl-steps {max-width:none}
 .pl-root[data-step=debrief] .pl-top {padding:8px!important}
 .pl-root[data-step=debrief] .pl-overlay {padding-top:72px}
}
.pl-design-check {display:grid;gap:12px}
.pl-design-check label {display:grid;gap:6px}
.pl-design-check p {margin:0}
.pl-measurements-toggle {display:none}
@media(max-width:719px){
 .pl-root[data-mode=lesson] .pl-hud {top:8px;right:110px;display:flex;min-height:56px;align-items:center;padding:6px}
 .pl-root[data-mode=lesson] .pl-hud-mid {display:none;position:absolute;top:calc(100% + 6px);left:0;right:-102px;max-height:min(280px,50dvh);overflow:auto;overscroll-behavior:contain;padding:12px;background:var(--surface-solid);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-2)}
 .pl-root[data-mode=lesson] .pl-buildnote {display:none}
 .pl-root[data-mode=lesson] .pl-measurements-toggle {display:inline-flex;min-height:44px;padding:0 8px;font-size:12px}
 .pl-root[data-mode=lesson] .pl-hud--expanded {z-index:calc(var(--z-drawer) + 1)}
 .pl-root[data-mode=lesson] .pl-hud--expanded .pl-hud-mid {display:grid}
 .pl-root[data-mode=lesson] .pl-hud-ctl {width:100%;flex-wrap:wrap}
 .pl-root[data-mode=lesson] .pl-speed {display:none}
 .pl-root[data-mode=lesson] .pl-top {top:8px;left:auto;right:8px;z-index:21}
 .pl-root[data-mode=lesson] .pl-goal {top:72px;min-height:40px;padding:6px;max-height:48px}
 .pl-root[data-mode=lesson] .pl-tools .pl-icon-btn {width:40px}
 .pl-root[data-mode=lesson] .pl-toolbar:not(.pl-toolbar--open) .pl-tb-grab {bottom:auto}
 .pl-root[data-mode=lesson] .pl-hud .pl-meters {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
 .pl-root[data-mode=lesson] .pl-hud .pl-meter:nth-child(n+3):not([hidden]) {display:block}
 .pl-root[data-mode=lesson] .pl-hud .pl-m-sub {display:block}
 .pl-prediction {font-size:14px;padding:12px;border-left:3px solid var(--cat-compute);background:var(--surface)}
}
.pl-day-seal {position:absolute;z-index:45;left:50%;top:40%;transform:translate(-50%,-50%);padding:16px 24px;border:2px solid var(--ok);border-radius:12px;color:var(--ok);background:var(--surface-solid);text-align:center;pointer-events:none;animation:bench-seal 900ms ease-out both}
.pl-day-seal b,.pl-day-seal span {display:block}
.pl-day-seal span {font-size:28px;letter-spacing:10px}
.pl-root[data-outcome=pass][data-phase=done] .pl-overlay--debrief {animation:bench-result 900ms ease-out both}
@keyframes bench-seal {0%{opacity:0;transform:translate(-50%,-50%) scale(.96)}20%,75%{opacity:1;transform:translate(-50%,-50%)}100%{opacity:0;transform:translate(-50%,-50%)}}
@keyframes bench-result {0%,65%{opacity:0;transform:translateY(8px)}100%{opacity:1;transform:none}}
:root[data-motion=reduce] .pl-root .pl-overlay--debrief {animation:none;transform:none}
.pl-overview {position:absolute;left:8px;right:8px;bottom:130px;padding:6px 10px;background:var(--surface-solid);border:1px solid var(--border);border-radius:8px;font-size:12px;color:var(--text-2);pointer-events:none}
.pl-overview[hidden] {display:none}
@media(max-width:719px){.pl-speed-b {min-height:44px}}
.pl-kicker,.pl-tag,.pl-root h4 {text-transform:none;letter-spacing:0}
.pl-design-check .pl-actions {position:sticky;bottom:-20px;padding:10px 0;margin-top:8px;background:var(--surface-solid);border-top:1px solid var(--border)}
.pl-sizing-detail {font-size:13px;margin-top:6px;color:var(--text-2)}
.pl-sizing-detail summary {cursor:pointer;min-height:32px;display:flex;align-items:center;color:var(--accent)}
.pl-sizing-detail[open] p {padding:12px 0}
.pl-score-details .pl-score-row {padding:16px}
@media(max-width:719px){
 .pl-try-body>.pl-sizing-detail {grid-column:1/-1;grid-row:3}
 .pl-try>.pl-try-btns {grid-row:4}
 .pl-score-details .pl-score-row {flex-wrap:wrap}
}
@media(max-width:719px){.pl-root[data-mode=intro] .pl-caption {max-height:96px;padding:8px 10px;font-size:13px;line-height:1.35;overflow:auto}}

/* Candidate writing and replica evidence share the instrument panel language. */
.pl-defense-field {display:grid;gap:8px;margin:16px 0;font-size:16px}
.pl-defense-field textarea {width:100%;min-height:144px;height:auto;resize:vertical;padding:12px;font:16px/1.5 var(--font-ui);border-radius:8px}
.pl-defense-field input {min-height:44px}
.pl-defense-card {border-top:1px solid var(--border);padding-block:24px}
.pl-defense-card h3 {font-size:22px;line-height:1.3;max-width:54ch}
.pl-defense-model {margin-top:16px;padding:16px;border-left:3px solid var(--cat-compute);background:var(--bg)}
.pl-defense-check {display:flex;align-items:center;gap:12px;min-height:44px;font-size:15px}
.pl-defense-check input {width:20px;height:20px;accent-color:var(--accent);flex:none}
.pl-interview-compare {display:grid;grid-template-columns:1fr 1fr;gap:24px}
.pl-interview-compare p {white-space:pre-wrap}
.pl-interview-clock {font:13px var(--font-mono);padding:12px;color:var(--text-2)}
.pl-root[data-interview=true] .pl-issue-fix,.pl-root[data-interview=true] .pl-reset,.pl-root[data-interview=true] .pl-help-menu {display:none!important}
.pl-root[data-interview=true] .pl-panel {max-width:760px}
.pl-root[data-interview=true] .pl-panel .pl-btn {margin-top:12px}
.pl-replica-view {margin-top:16px;padding-top:12px;border-top:1px solid var(--border);display:grid;gap:8px;color:var(--text-2)}
.pl-replica-cells {display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.pl-replica-cell {position:relative;padding:10px 4px 14px;border:1px solid var(--edge-idle);border-radius:6px;overflow:hidden;font:11px var(--font-mono);text-align:center;background:var(--bg)}
.pl-replica-cell i {position:absolute;left:4px;right:4px;bottom:4px;height:4px;background:var(--cat-compute);transform-origin:left;transition:transform 120ms ease-out}
.pl-replica-cell[data-failed=true] {border-color:var(--bad);color:var(--bad)}
.pl-replica-cell[data-failed=true]:after {content:'×';position:absolute;inset:0;background:var(--surface-solid);font:26px/1.5 var(--font-ui)}
.pl-replica-cell:before {content:'';position:absolute;left:0;top:5px;width:4px;height:4px;border-radius:50%;background:var(--accent);opacity:0}
.pl-replica-view.is-flowing .pl-replica-cell:not([data-failed=true]):before {animation:replica-route 1200ms linear infinite}
.pl-replica-cell:nth-child(2n):before {animation-delay:-400ms!important}
.pl-replica-cell:nth-child(3n):before {animation-delay:-800ms!important}
@keyframes replica-route {0%{transform:translateX(0);opacity:1}85%{transform:translateX(70px);opacity:1}100%{transform:translateX(70px);opacity:0}}
.pl-replica-summary {font-size:12px;line-height:1.5}
.pl-sizing-scroll {overflow:auto;max-width:100%}
.pl-worked-sizing table {min-width:700px;font-size:13px}
.pl-overview {pointer-events:auto;display:flex;align-items:center;gap:8px;bottom:62px}
.pl-overview select {min-width:0;width:0;flex:1;height:44px;font-size:13px}
.pl-overview>span {display:none}
.pl-overview .pl-btn {white-space:nowrap;font-size:13px;padding-inline:10px}
.pl-goal-celebrate .pl-goal {animation:goal-settle 600ms ease-out}
@keyframes goal-settle {0%{opacity:.6}35%,100%{opacity:1}}
:root[data-motion=reduce] .pl-replica-cell:before {animation:none!important;opacity:1;transform:translateX(24px)}
:root[data-motion=reduce] .pl-replica-cell i {transition:none}
:root[data-motion=reduce] .pl-goal-celebrate .pl-goal {animation:none}
.pl-root[data-phase=paused] .pl-replica-cell:before {animation-play-state:paused!important}
@media(max-width:719px){
 .pl-interview-compare {grid-template-columns:1fr;gap:12px}
 .pl-interview-clock {font-size:11px;padding:4px;max-width:100px}
 .pl-root[data-interview=true] .pl-panel {padding-bottom:24px;top:calc(var(--pl-top-end, 56px) + 6px);bottom:8px}
 .pl-defense-card h3 {font-size:20px}
 .pl-root[data-interview=true] .pl-tool--fit {display:none}
 .pl-root:has(.pl-overview:not([hidden])) .pl-toolbar:not(.pl-toolbar--open) .pl-tb-grab {top:-112px;bottom:auto;height:44px}
 .pl-root:has(.pl-overview:not([hidden])) .pl-overview {bottom:8px}
 .pl-root:has(.pl-overview:not([hidden])) .pl-right {bottom:112px}
}

.pl-reflection-form {display:grid;gap:12px;padding:16px}.pl-reflection-form label {display:grid;gap:6px}.pl-check-passed {border-left:3px solid var(--ok);padding-left:12px}

.pl-wire-preview {position:absolute;z-index:31;left:50%;bottom:128px;transform:translateX(-50%);max-width:calc(100% - 24px);padding:12px 16px;border:1px solid var(--accent);border-radius:8px;background:var(--surface-solid);color:var(--text);pointer-events:none;font-size:14px}
.pl-wire-preview[hidden] {display:none}
.pl-root:has(.pl-wire-preview:not([hidden])) .pl-caption {visibility:hidden}
.pl-root [hidden] {display:none!important}
.pl-reflection {margin-top:24px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}
.pl-reflection>summary {padding:16px;cursor:pointer;font-weight:700}
.pl-checkpoint,.pl-design-check {display:grid;gap:16px;min-width:0}
.pl-checkpoint h3 {font-size:24px;line-height:1.15;letter-spacing:-.5px;margin:0}
.pl-checkpoint p,.pl-design-check p,.pl-reflection-form p {margin:0;line-height:1.5}
.pl-checkpoint label,.pl-design-check label {display:grid;gap:8px;min-width:0}
.pl-checkpoint .pl-input,.pl-design-check .pl-input,.pl-reflection-form .pl-input {min-height:44px;min-width:0}
.pl-checkpoint .pl-actions,.pl-design-check .pl-actions {margin-top:8px}
.pl-reflection[open]>.pl-reflection-form {animation:pl-menu-settle 240ms ease-out both}
.pl-reflection-form>.pl-btn {justify-self:start}
.pl-sec>.pl-input[type=textarea],.pl-sec>textarea.pl-input {height:auto;min-height:110px;padding:12px;resize:vertical}
@media(max-width:719px) {
 .pl-checkpoint,.pl-design-check {padding:20px 16px}
 .pl-checkpoint .pl-input,.pl-design-check .pl-input,.pl-reflection-form .pl-input {font-size:16px}
 .pl-checkpoint .pl-actions>.pl-btn,.pl-design-check .pl-actions>.pl-btn {flex:1 1 180px}
}
/* Transient labels live outside the workbench root. */
.pl-dragchip[hidden] {display:none!important}
.pl-inspector:not([hidden]),.pl-caption:not([hidden]),.pl-panel:not([hidden]),.pl-debrief,.pl-hints:not([hidden]),.pl-modal-card,.pl-traffic[open] {animation:pl-panel-settle 240ms cubic-bezier(.2,.8,.2,1) both}
.pl-menu:not([hidden]) {animation:pl-menu-settle 240ms ease-out both}
@keyframes pl-menu-settle {from {opacity:.15}to {opacity:1}}
@keyframes pl-panel-settle {from {opacity:.15;transform:translate(var(--pl-anchor-x,0px),12px)}to {opacity:1;transform:translate(var(--pl-anchor-x,0px),0)}}
.pl-caption,.pl-panel {--pl-anchor-x:-50%}
.pl-victory {display:grid;grid-template-columns:1fr 1.3fr;align-items:center;gap:24px;padding:24px 0;margin-top:20px;border-top:2px solid var(--ok);border-bottom:1px solid var(--border)}
.pl-victory-copy h3 {font-size:27px;line-height:1.1;letter-spacing:-.6px;margin:8px 0}
.pl-victory-copy p {font-size:14px;color:var(--text-2);margin:8px 0}
.pl-victory-copy>.pl-small {color:var(--ok)}
.pl-victory>svg {width:100%;height:180px;overflow:visible}
.pl-victory-wire {fill:none;stroke:var(--ok);stroke-width:7;animation:pl-route-earned 300ms ease-out both;animation-delay:var(--beat)}
.pl-victory-part {color:var(--text-2)}
.pl-victory-part>rect {fill:var(--surface-solid);stroke:var(--edge-idle);stroke-width:2}
.pl-victory-part.is-repaired {color:var(--ok)}
.pl-victory-part.is-repaired>rect {stroke:var(--ok);stroke-width:4}
.pl-victory-part text {fill:var(--text-2);font:12px var(--font-ui)}
.pl-victory-numbers {display:flex;gap:20px;align-items:center;margin-top:16px;font:24px var(--font-mono)}
.pl-victory-numbers small {display:block;font:12px var(--font-ui);color:var(--text-2);margin-bottom:6px}
.pl-victory-numbers strong {color:var(--ok)}
.pl-victory--sweep {border-top-width:4px}
.pl-victory--sweep .pl-victory-copy h3 {color:var(--ok)}
.pl-victory-marks {display:flex;gap:8px;color:var(--ok);font-size:25px;line-height:1;margin-top:12px}
.pl-victory-marks span {animation:pl-mark-earned 260ms cubic-bezier(.2,.8,.2,1) both}
.pl-victory--sweep .pl-victory-marks {color:var(--cat-data);font-size:32px}
.pl-verdict-sec:has(.pl-victory--sweep) .pl-score-side>.pl-stars {display:none}
@keyframes pl-mark-earned {from {opacity:0;transform:translateY(10px) scale(.7)}to {opacity:1;transform:translateY(0) scale(1)}}
@keyframes pl-route-earned {from {opacity:.12;transform:translateY(6px)}to {opacity:1;transform:translateY(0)}}
.pl-focus-map {display:none}
@media(min-width:900px) {
 .pl-left:has(.pl-toolbar--folded:not(.pl-toolbar--open)) {width:auto;bottom:auto}
 .pl-toolbar--folded:not(.pl-toolbar--open) {height:auto;overflow:visible;border:0;background:transparent}
 .pl-toolbar--folded:not(.pl-toolbar--open)>:not(.pl-tb-grab) {display:none}
 .pl-toolbar--folded .pl-tb-grab {display:flex;position:static;align-items:center;gap:8px;padding:12px 16px;border:1px solid var(--border-strong);border-radius:8px;background:var(--surface-solid);color:var(--text);cursor:pointer}
}
@media(max-width:719px) {
 .pl-focus-map {position:absolute;right:10px;top:var(--pl-focus-top,calc(var(--pl-hud-end,220px) + 10px));display:flex;flex-direction:column;align-items:end;gap:6px;z-index:21;max-width:140px;animation:pl-panel-settle 220ms ease-out both}
 .pl-root:has(.pl-focus-map) .pl-right {max-height:max(148px,min(40%,calc(100% - var(--pl-focus-end,0px) - 56px)))}
 .pl-root:has(.pl-focus-map.is-compact) .pl-right {max-height:max(206px,40%)}
 .pl-root:has(.pl-focus-map.is-compact) .pl-inspector:not(.pl-inspector--folded) {min-height:148px}
 .pl-focus-map.is-compact {position:static;flex:none;flex-direction:row;align-items:center;justify-content:flex-end;max-width:none}
 .pl-focus-map.is-compact .pl-map-drawing {width:64px;height:44px}
 .pl-insp-head {flex:none}
 .pl-map-drawing {width:116px;height:76px;background:var(--surface-solid);border:1px solid var(--border-strong);border-radius:8px;padding:6px;cursor:pointer}
 .pl-map-drawing svg {width:100%;height:100%}
 .pl-focus-map .pl-btn {font-size:12px;padding:8px;min-height:36px}
 .pl-victory {grid-template-columns:1fr;gap:12px;padding:20px 0}
 .pl-victory>svg {height:150px}
 .pl-victory-copy h3 {font-size:24px}
 .pl-victory-numbers {font-size:22px;gap:16px}
}
:root[data-motion=reduce] .pl-root *, :root[data-motion=reduce] .pl-victory-wire {animation:none!important;transition:none!important}
@media(max-width:719px){.pl-root[data-mode=lesson] .pl-goal--done {max-height:72px}}

/* Keep the earned route visible throughout its sequence. */
.pl-root[data-outcome=pass][data-phase=done] .pl-overlay--debrief {animation:pl-panel-settle 220ms cubic-bezier(.2,.8,.2,1) both}
:root[data-motion=reduce] .pl-root[data-outcome=pass][data-phase=done] .pl-overlay--debrief {animation:none}

/* Learning decisions and interview comparisons keep evidence beside the player's work. */
.pl-preview-limits {display:block;max-width:76ch;color:var(--text-2);white-space:normal;line-height:1.4}
.pl-buildnote:has(.pl-preview-limits) {flex-wrap:wrap}
.pl-repair {padding:20px;border:1px solid var(--accent);border-radius:12px;background:var(--accent-soft);display:grid;gap:12px}
.pl-repair label {display:grid;gap:6px}
.pl-repair p {margin:0}
.pl-repair .pl-input {width:100%;height:auto;min-height:44px;white-space:normal}
.pl-trace-reason:empty {display:none}
.pl-learning-status,.pl-interview-priorities {padding:16px;border-left:3px solid var(--accent);background:var(--accent-soft)}
.pl-defense-card > summary {font-size:18px;font-weight:700;cursor:pointer;line-height:1.5;overflow-wrap:anywhere}
.pl-defense-card > .pl-kicker,.pl-defense-card > h3 {display:none}
.pl-defense-columns {display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;margin-top:16px;align-items:start}
.pl-defense-columns > * {min-width:0}
.pl-defense-response textarea {width:100%;height:auto;min-height:220px;padding:12px;font:16px/1.5 var(--font-ui);resize:vertical}
.pl-defense-evidence {border:1px solid var(--border);border-radius:10px;padding:16px;overflow-wrap:anywhere;background:var(--surface-solid)}
.pl-defense-evidence h4 {margin-top:0}
.pl-defense-evidence p {font-size:14px;line-height:1.5}
.pl-defense-evidence .pl-defense-model {margin:16px -4px 0;padding:12px}
.pl-defense-evidence .pl-defense-check {align-items:flex-start}
.pl-defense-evidence .pl-defense-check input {margin-top:4px}
.pl-interview-priorities {margin:16px 0 24px}
.pl-interview-priorities h3 {margin-top:0}
@media(max-width:719px) {
 .pl-defense-columns {grid-template-columns:minmax(0,1fr);gap:12px}
 .pl-defense-card {padding-block:16px}
 .pl-defense-response textarea {min-height:160px}
 .pl-repair {padding:14px}
 .pl-preview-limits {font-size:11px;max-height:72px;overflow-y:auto}
}
/* Narrow settings stay readable, including catalog approximation labels. */
.pl-inspector {min-width:0;overflow-wrap:anywhere}
.pl-inspector .pl-approx {white-space:normal}
.pl-inspector dd,.pl-cost-row>* {min-width:0}
.pl-capacity-unit {margin-top:5px;color:var(--text-2);line-height:1.45}
.pl-connecting .pl-right,.pl-connecting .pl-left,.pl-connecting .pl-trace,.pl-connecting .pl-focus-map,.pl-connecting .pl-overview {visibility:hidden;pointer-events:none;opacity:0;transform:translateY(16px)}
/* The measured part lands first, then its explanation follows. */
.pl-run-evidence {display:flex;align-items:center;gap:22px;border-block:1px solid var(--border);border-left:3px solid var(--bad);padding:16px 20px;margin-bottom:24px;background:var(--surface-solid);border-radius:8px}
.pl-run-evidence[data-outcome=pass] {border-left-color:var(--ok)}
.pl-run-chain {display:flex;align-items:center;gap:8px;flex:none}
.pl-run-token {display:inline-flex;align-items:center;justify-content:center;flex:none;box-sizing:border-box;width:54px;height:54px;border:2px solid var(--edge-idle);border-radius:10px;background:var(--surface-solid);color:var(--accent);contain:layout}
.pl-run-token[data-outcome=fail] {border-color:var(--bad)}
.pl-run-token[data-outcome=pass] {border-color:var(--ok)}
.pl-run-arrow {color:var(--ok)}
.pl-run-evidence h3 {font-size:20px;line-height:1.2;margin:5px 0}
.pl-run-evidence p {font-size:13px;color:var(--text-2);margin:0;line-height:1.5}
.pl-run-evidence .pl-kicker {font-size:11px;margin:0}
.pl-report-arriving>.pl-run-evidence .pl-run-evidence-copy {animation:pl-evidence-in 180ms ease-out 540ms both}
.pl-report-arriving>:not(.pl-run-evidence) {animation:pl-evidence-in 220ms ease-out 620ms both}
.pl-report-arriving {--victory-lead:620ms}
.pl-debrief[data-credit=trace-open] .pl-star--on,.pl-debrief[data-credit=assisted] .pl-star--on {animation:none}
.pl-report-arriving .pl-victory-wire {animation-delay:calc(var(--beat) + var(--victory-lead))}
.pl-repair,.pl-learning-status,.pl-interview-priorities {overflow-wrap:anywhere;min-width:0}
.pl-repair select {text-overflow:ellipsis}
.pl-checkpoint .pl-trace-reason,.pl-repair [role=status]:not(:empty),.pl-nresult:not(:empty) {animation:pl-evidence-in 180ms ease-out both}
:root[data-motion=reduce] .pl-checkpoint .pl-trace-reason,:root[data-motion=reduce] .pl-repair [role=status],:root[data-motion=reduce] .pl-nresult {animation:none}
@keyframes pl-evidence-in {from {opacity:0;transform:translateY(12px)}to {opacity:1;transform:translateY(0)}}
::view-transition-group(run-token-0),::view-transition-group(run-token-1),::view-transition-group(run-token-2) {animation-duration:520ms;animation-timing-function:cubic-bezier(.2,.8,.2,1);z-index:2}
::view-transition-old(run-token-0),::view-transition-new(run-token-0),::view-transition-old(run-token-1),::view-transition-new(run-token-1),::view-transition-old(run-token-2),::view-transition-new(run-token-2) {height:100%;width:100%;mix-blend-mode:normal;animation:none}
@media(max-width:719px) {
 .pl-run-evidence {align-items:start;flex-direction:column;gap:12px;padding:14px 16px;margin-bottom:20px}
 .pl-run-token {width:42px;height:42px}
 .pl-run-chain {gap:10px}
 .pl-run-evidence h3 {font-size:19px}
}
::view-transition-group(run-token-3),::view-transition-group(run-token-4) {animation-duration:520ms;animation-timing-function:cubic-bezier(.2,.8,.2,1);z-index:2}
::view-transition-old(run-token-3),::view-transition-new(run-token-3),::view-transition-old(run-token-4),::view-transition-new(run-token-4) {height:100%;width:100%;mix-blend-mode:normal;animation:none}
@media(max-width:719px) {.pl-run-chain {gap:5px}.pl-run-token {width:36px;height:36px}}
@media(max-width:719px) {
 .pl-run-evidence {flex-direction:row;flex-wrap:wrap;gap:10px;padding:12px}
 .pl-run-evidence[data-outcome=fail] {flex-wrap:nowrap}
 .pl-run-evidence h3 {font-size:17px}
 .pl-run-evidence .pl-kicker {font-size:10px}
}
/* Embedded workbenches keep a full palette behind an explicit drawer. */
.pl-item-ic {flex:none}
.pl-item-name {white-space:normal;overflow:visible;overflow-wrap:anywhere;line-height:1.25}
@media(min-width:720px) {
 .pl-root[data-mode=lesson] .pl-left {width:280px}
 .pl-root[data-mode=lesson] .pl-toolbar--folded:not(.pl-toolbar--open) {height:auto;overflow:visible;border:0;background:transparent}
 .pl-root[data-mode=lesson] .pl-toolbar--folded:not(.pl-toolbar--open)>:not(.pl-tb-grab) {display:none}
 .pl-root[data-mode=lesson] .pl-toolbar--folded .pl-tb-grab {display:flex;position:static;align-items:center;gap:8px;padding:12px 16px;border:1px solid var(--border-strong);border-radius:8px;background:var(--surface-solid);color:var(--text);cursor:pointer;min-height:44px}
 .pl-root[data-mode=lesson] .pl-left:has(.pl-toolbar--folded:not(.pl-toolbar--open)) {width:auto}
}
.pl-camera-map {flex:none;width:64px;height:44px;padding:3px;border:1px solid var(--border-strong);border-radius:6px;background:var(--canvas);cursor:pointer;overflow:hidden}
.pl-camera-map svg {width:100%;height:100%;overflow:hidden}
.pl-camera-window {transition:opacity 120ms}
@media(max-width:719px) {
 .pl-root:has(.pl-overview:not([hidden])) .pl-tb-grab {top:-112px}
 .pl-root .pl-overview {bottom:8px;min-height:58px}
 .pl-overview select {font-size:12px;padding-inline:6px}
}
@media(min-width:720px) {
 .pl-root[data-mode=lesson] .pl-goal {top:72px;left:12px;right:12px;max-width:none;width:auto;transform:none;text-align:left}
 .pl-root[data-mode=lesson] .pl-banner {top:64px;left:196px;right:160px;max-width:none;transform:none;min-height:36px}
 .pl-root[data-mode=lesson]:has(.pl-banner:not([hidden])) .pl-goal {top:112px}
}
/* Opening a workbench drawer reveals its controls with the same short settling motion. */
.pl-toolbar--open .pl-tb-body,.pl-toolbar--open .pl-tb-head,.pl-traffic:not(.pl-traffic--closed) .pl-tp-pane {animation:pl-panel-settle 200ms cubic-bezier(.2,.8,.2,1) both}
/* An open lesson palette keeps its search and close target in their own header. */
.pl-root[data-mode] .pl-toolbar--open {position:relative}
.pl-root[data-mode] .pl-toolbar--open .pl-tb-head {padding-right:64px}
.pl-root[data-mode] .pl-toolbar--open .pl-tb-grab {display:flex;position:absolute;top:10px;right:10px;left:auto;bottom:auto;width:44px;height:44px;min-height:44px;padding:0;justify-content:center;border-radius:8px;box-shadow:none;background:var(--surface-solid);color:var(--text);border:1px solid var(--border-strong)}
.pl-toolbar--open .pl-tb-grab>span:not(.pl-ic) {display:none}
.pl-toolbar--open .pl-tb-grab svg {transform:rotate(45deg)}
@media(min-width:720px) {
 .pl-root[data-mode=lesson] .pl-toolbar--open {width:280px;max-width:100%}
 .pl-root[data-mode=lesson]:has(.pl-toolbar--open) .pl-goal {left:304px}
}

.pl-toolbar--open .pl-tb-head .pl-input {min-height:44px}

/* Phone coaching uses the full lane below the status and trace controls. */
@media(max-width:719px) {
 .pl-root[data-mode] .pl-caption {left:8px;right:8px;width:auto;max-width:none;top:var(--pl-coach-top,calc(var(--pl-hud-end,150px) + 8px));bottom:auto;transform:none;--pl-anchor-x:0px}
 .pl-root[data-mode] .pl-caption-t {display:block;overflow:visible;-webkit-line-clamp:unset;line-clamp:unset}
}
@media(max-width:719px) { .pl-root.pl-has-selection:has(.pl-caption:not([hidden])) .pl-trace {display:none} }

/* A committed claim unfolds in the same evidence rhythm as the traffic report. */
.hp-defense-claims {min-width:0;border:0;padding:0;margin:16px 0}
.hp-defense-claims legend {font-weight:700;line-height:1.5}
.hp-defense-claims .pl-defense-check {align-items:flex-start;margin-block:12px;line-height:1.5}
.hp-defense-claims input {margin-top:4px}
.pl-claim-trace {margin:12px 0 24px;padding:16px;border:1px solid var(--border);border-radius:10px;background:var(--surface-solid);overflow-wrap:anywhere}
.pl-claim-trace:empty {display:none}
.pl-claim-trace ol {margin:12px 0 0;padding-left:24px}
.pl-claim-trace li {padding:8px 0 8px 4px;font:15px/1.6 var(--font-ui);animation:pl-evidence-in 180ms var(--ease-out) both}
.pl-claim-trace li:nth-child(2) {animation-delay:80ms}
.pl-claim-trace li:nth-child(3) {animation-delay:160ms}
.pl-claim-trace li:nth-child(n+4) {animation-delay:240ms}
:root[data-motion=reduce] .pl-claim-trace li {animation:none}
@media(max-width:719px) {.pl-claim-trace {padding:12px}.pl-claim-trace li {font-size:15px}}

/* The report scrollport begins below the steps, including after the first screenful. */
.pl-root[data-step=debrief] .pl-overlay--debrief {top:calc(var(--pl-top-end, 60px) + 8px);padding-top:16px;scroll-padding-block:16px}
.pl-overlay :is(h2,h3,.pl-defense-card,.pl-defense-field) {scroll-margin-block:16px}
@media(max-width:719px) {
  /* one line sits in the middle of the chip; a longer goal grows downward with the icon on its first line */
  .pl-root[data-mode=lesson] .pl-goal {align-items:flex-start;padding:11px 10px 6px}
  .pl-root[data-mode=lesson] .pl-goal--done {max-height:none;overflow:visible}
}

/* Light controls keep their outline separate from the panel hairlines. */
:root[data-theme="light"] .pl-btn:not(.pl-btn--primary):not(.pl-btn--ghost):not(.pl-btn--on) { border-color: var(--border-strong); }