/* v2.8.5: retain unboxed engineering values while keeping every state legible. */
.zrsld-app .zrsld-lf-diagram__value,
.zrsld-app .zrsld-lf-diagram__value > span {
  box-sizing: border-box;
  letter-spacing: 0;
  word-spacing: 0;
  text-transform: none;
  -webkit-text-fill-color: currentColor;
}
.zrsld-app .zrsld-lf-diagram__value {
  --zrsld-lf-value-color: #08617b;
  color: var(--zrsld-lf-value-color);
  text-shadow: -1px 0 #fff, 1px 0 #fff, 0 -1px #fff, 0 1px #fff;
  overflow: visible;
}
.zrsld-app .zrsld-lf-diagram__value.is-warning { --zrsld-lf-value-color: #995100; }
.zrsld-app .zrsld-lf-diagram__value.is-danger { --zrsld-lf-value-color: #b5232d; }
.zrsld-app .zrsld-lf-diagram__value.is-inactive,
.zrsld-app .zrsld-lf-diagram__value.is-unrated { --zrsld-lf-value-color: #52636f; }
.zrsld-app .zrsld-lf-diagram__value:hover,
.zrsld-app .zrsld-lf-diagram__value:focus-visible,
.zrsld-app .zrsld-lf-diagram__value:active,
.zrsld-app .zrsld-lf-diagram__value.is-selected {
  color: var(--zrsld-lf-value-color);
  background: transparent;
  opacity: 1;
}
.zrsld-app .zrsld-lf-diagram__leader line { stroke: #5c7b88; stroke-width: 1; }
.zrsld-app .zrsld-lf-exception-marker { text-shadow: -1px 0 #fff, 1px 0 #fff, 0 -1px #fff, 0 1px #fff; }
.zrsld-app .zrsld-lf-exception-marker { top: -15px; right: 0; width: auto; height: auto; white-space: nowrap; font: 650 10px/14px system-ui, sans-serif; }
.zrsld-app .zrsld-lf-diagram__assessment { font-size: 11px; font-weight: 650; }
.zrsld-app .zrsld-lf-display__selection-hint { margin: 0; padding: 3px 0 7px; color: #415966; font: 12px/1.5 system-ui, sans-serif; }
.zrsld-app .zrsld-lf-display select { text-transform: none; letter-spacing: 0; }
.zrsld-app .zrsld-lf-display select:focus-visible,
.zrsld-app .zrsld-lf-display input:focus-visible { outline: 2px solid #08748d; outline-offset: 2px; }
.zrsld-app .zrsld-lf-display select option { color: #193d50; background: #fff; }
.zrsld-app .zrsld-lf-display__legend { color: #415966; }
.zrsld-app .zrsld-analysis-stage.is-load-flow .zrsld-statusbar {
  min-width: 0;
  overflow: hidden;
}
.zrsld-app .zrsld-analysis-stage.is-load-flow .zrsld-status-message {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
@container analysis (max-width: 650px) {
  .zrsld-app .zrsld-analysis-stage.is-load-flow .zrsld-statusbar { gap: 6px; padding-inline: 6px; }
  .zrsld-app .zrsld-analysis-stage.is-load-flow .zrsld-statusbar__counts,
  .zrsld-app .zrsld-analysis-stage.is-load-flow .zrsld-statusbar__local,
  .zrsld-app .zrsld-analysis-stage.is-load-flow .zrsld-statusbar__spacer,
  .zrsld-app .zrsld-analysis-stage.is-load-flow .zrsld-statusbar .zrsld-validation.is-valid,
  .zrsld-app .zrsld-analysis-stage.is-load-flow .zrsld-statusbar .zrsld-study-status.is-ready { display: none; }
  .zrsld-app .zrsld-analysis-stage.is-load-flow .zrsld-status-message { flex: 1 1 0; }
  .zrsld-app .zrsld-analysis-stage.is-load-flow .zrsld-statusbar__zoom,
  .zrsld-app .zrsld-analysis-stage.is-load-flow .zrsld-statusbar .zrsld-mode-indicator { flex: 0 0 auto; }
}
@media (forced-colors: active) {
  .zrsld-app .zrsld-lf-diagram__value,
  .zrsld-app .zrsld-lf-diagram__value:is(:hover, :focus-visible, :active, .is-selected) {
    color: LinkText;
    text-shadow: none;
    background: Canvas;
  }
  .zrsld-app .zrsld-lf-diagram__value:focus-visible { outline-color: Highlight; }
  .zrsld-app .zrsld-lf-diagram__leader line { stroke: CanvasText; }
  .zrsld-app .zrsld-lf-exception-marker { color: CanvasText; text-shadow: none; }
}

/* One contextual ribbon; secondary panels do not consume canvas height. */
.zrsld-app .zrsld-lf-ribbon {
  position: relative; z-index: 16; display: flex; align-items: center; flex-wrap: nowrap;
  gap: 12px; padding: 7px 10px; height: 52px; min-height: 52px; min-width: 0; overflow: visible;
}
.zrsld-app .zrsld-lf-ribbon .zrsld-lf-summary__case { flex: 0 1 180px; min-width: 85px; max-width: 220px; gap: 0; }
.zrsld-app .zrsld-lf-ribbon .zrsld-lf-summary__case strong { font-size: 13px; line-height: 18px; white-space: nowrap; }
.zrsld-app .zrsld-lf-ribbon .zrsld-lf-summary__case > span { font-size: 11px; line-height: 16px; }
.zrsld-app .zrsld-lf-ribbon dl { gap: 16px; flex: 0 0 auto; }
.zrsld-app .zrsld-lf-ribbon dt { margin: 0; font-size: 10px; line-height: 14px; white-space: nowrap; }
.zrsld-app .zrsld-lf-ribbon dd { font-size: 14px; line-height: 18px; white-space: nowrap; }
.zrsld-app .zrsld-lf-ribbon button {
  box-sizing: border-box; min-height: 30px; padding: 4px 7px; margin: 0;
  font: 500 11px/20px var(--zrsld-font, system-ui, sans-serif); white-space: nowrap;
  color: #193d50 !important; background: #fff !important; border: 1px solid #bdcbd3; border-radius: 4px;
  box-shadow: none; -webkit-text-fill-color: currentColor !important; text-shadow: none !important; text-transform: none;
}
.zrsld-app .zrsld-lf-ribbon button:is(:hover, :focus-visible, :active) { color: #173e52 !important; background: #e1edf2 !important; border-color: #728f9d; }
.zrsld-app .zrsld-lf-ribbon button:focus-visible,
.zrsld-app .zrsld-lf-display__guide > summary:focus-visible { outline: 2px solid #08748d; outline-offset: -2px; }
.zrsld-app .zrsld-lf-ribbon button.zrsld-lf-issues-link { flex: 0 0 auto; padding: 0 0 0 9px; line-height: 17px; border: 0; border-left: 2px solid #8a9ca5; border-radius: 0; }
.zrsld-app .zrsld-lf-ribbon .zrsld-lf-issues-link small { font-size: 10px; line-height: 15px; }
.zrsld-app .zrsld-lf-ribbon .zrsld-lf-issues-link.has-issues { color: #874200 !important; border-left-color: #af5b09; }
.zrsld-app .zrsld-lf-ribbon .zrsld-lf-summary__actions { gap: 4px; flex: 0 0 auto; flex-wrap: nowrap; margin-left: 0; }
.zrsld-app .zrsld-lf-ribbon .is-unconverged { color: #a02a31; font-weight: 650; }
.zrsld-app .zrsld-lf-ribbon .zrsld-lf-display--compact { position: static; padding: 0 0 0 12px; border: 0; border-left: 1px solid #d6e1e5; background: transparent; margin-left: auto; flex: 0 0 auto; overflow: visible; max-height: none; }
.zrsld-app .zrsld-lf-display__primary { display: flex; align-items: center; gap: 8px; min-height: 30px; flex-wrap: nowrap; }
.zrsld-app .zrsld-lf-display__primary > label { flex: 0 0 auto; gap: 5px; white-space: nowrap; }
.zrsld-app .zrsld-lf-display--compact select { height: 30px; min-height: 30px; max-width: 130px; font-size: 11px; }
.zrsld-app .zrsld-lf-display--compact .zrsld-lf-display__toggle,
.zrsld-app .zrsld-lf-ribbon__more-toggle { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; gap: 5px; width: auto; }
.zrsld-app .zrsld-lf-ribbon :is(.zrsld-lf-display__toggle,.zrsld-lf-ribbon__more-toggle)[aria-expanded="true"] { background: #e5f3ed !important; color: #134e42 !important; border-color: #568a7d; }
.zrsld-app .zrsld-lf-display__options,
.zrsld-app .zrsld-lf-ribbon__more {
  position: absolute; z-index: 20; top: calc(100% + 4px); right: 8px;
  width: min(390px, calc(100% - 16px)); max-height: min(440px, max(120px, calc(100cqh - 120px)));
  padding: 12px; border: 1px solid #b9cbd3; border-radius: 6px; background: #fff; color: #193d50;
  box-shadow: 0 6px 22px #173e5226; overflow-y: auto; overscroll-behavior: contain;
}
.zrsld-app .zrsld-lf-display__options { right: 260px; }
.zrsld-app :is(.zrsld-lf-display__options,.zrsld-lf-ribbon__more) > header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.zrsld-app :is(.zrsld-lf-display__options,.zrsld-lf-ribbon__more) > header > strong { font-size: 12px; }
.zrsld-app :is(.zrsld-lf-display__options,.zrsld-lf-ribbon__more) > header > button { width: 30px; padding: 0; font-size: 17px; }
.zrsld-app .zrsld-lf-display--compact .zrsld-lf-display__fields { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; }
.zrsld-app .zrsld-lf-display__fields > label { min-width: 0; display: flex; flex-direction: column; align-items: stretch; gap: 4px; }
.zrsld-app .zrsld-lf-display__fields select { max-width: none; width: 100%; min-width: 0; }
.zrsld-app .zrsld-lf-display__fields > .zrsld-lf-display__terminal-secondary { grid-column: 1 / -1; }
.zrsld-app .zrsld-lf-display__fields > .zrsld-lf-display__quantity-secondary { display: none; }
.zrsld-app .zrsld-lf-display__checks { display: grid; grid-template-columns: 1fr 1fr; gap: 3px 12px; margin: 8px 0; }
.zrsld-app .zrsld-lf-display__checks label { min-height: 30px; line-height: 16px; cursor: pointer; }
.zrsld-app .zrsld-lf-display__checks input:disabled { opacity: .45; }
.zrsld-app .zrsld-lf-display__status { display: block; color: #415966; font-size: 11px; margin: 6px 0; }
.zrsld-app .zrsld-lf-display__guide { border-top: 1px solid #d6e1e5; padding-top: 5px; }
.zrsld-app .zrsld-lf-display__guide > summary { cursor: pointer; color: #193d50; font-size: 11px; line-height: 30px; }
.zrsld-app .zrsld-lf-display__guide > summary:hover { color: #173e52; background: #eef4f5; }
.zrsld-app .zrsld-lf-display__legend { display: block; font-size: 11px; line-height: 1.5; margin: 0; }
.zrsld-app .zrsld-lf-display__legend p { margin: 6px 0; }
.zrsld-app .zrsld-lf-ribbon__more p { margin: 6px 0; font-size: 11px; overflow-wrap: anywhere; }
.zrsld-app .zrsld-lf-ribbon__case-detail { font-weight: 650; }
.zrsld-app .zrsld-lf-ribbon__more .zrsld-lf-ribbon__detail-metrics { display: flex; flex-wrap: wrap; gap: 10px 16px; margin: 12px 0; }
.zrsld-app .zrsld-lf-ribbon__commands { display: grid; gap: 6px; padding-top: 10px; border-top: 1px solid #d6e1e5; }
.zrsld-app .zrsld-lf-ribbon__commands button { text-align: left; }
.zrsld-app .zrsld-lf-ribbon__commands .zrsld-lf-ribbon__fit-secondary { display: none; }
@container analysis (max-width: 1150px) {
  .zrsld-app .zrsld-lf-ribbon > .zrsld-lf-ribbon__metrics { display: none; }
  .zrsld-app .zrsld-lf-ribbon .zrsld-lf-ribbon__fit { display: none; }
  .zrsld-app .zrsld-lf-ribbon__commands .zrsld-lf-ribbon__fit-secondary { display: block; }
  .zrsld-app .zrsld-lf-display__options { right: 180px; }
}
@container analysis (max-width: 800px) {
  .zrsld-app .zrsld-lf-display__primary > .zrsld-lf-display__quantity-primary { display: none; }
  .zrsld-app .zrsld-lf-display__fields > .zrsld-lf-display__quantity-secondary { display: flex; }
  .zrsld-app .zrsld-lf-display__options { right: 8px; }
  .zrsld-app .zrsld-lf-ribbon .zrsld-lf-display--compact { border-left: 0; padding-left: 0; }
}
@container analysis (max-width: 500px) {
  .zrsld-app .zrsld-lf-ribbon { gap: 5px; padding-inline: 6px; }
  .zrsld-app .zrsld-lf-ribbon .zrsld-lf-summary__case { flex: 1 1 68px; min-width: 68px; }
  .zrsld-app .zrsld-lf-ribbon .zrsld-lf-summary__case strong { font-size: 12px; white-space: normal; line-height: 15px; }
  .zrsld-app .zrsld-lf-ribbon .zrsld-lf-summary__case > span { font-size: 10px; }
  .zrsld-app .zrsld-lf-ribbon .zrsld-lf-summary__case:has(.is-unconverged) > span { display: none; }
  .zrsld-app .zrsld-lf-ribbon .zrsld-lf-issues-link small,
  .zrsld-app .zrsld-lf-ribbon__results-verb { display: none; }
  .zrsld-app .zrsld-lf-ribbon button { padding-inline: 5px; }
  .zrsld-app .zrsld-lf-ribbon button.zrsld-lf-issues-link { padding-left: 5px; }
}
@container analysis (max-width: 330px) {
  .zrsld-app .zrsld-lf-ribbon .zrsld-lf-summary__case { min-width: 60px; }
  .zrsld-app .zrsld-lf-ribbon .zrsld-lf-summary__case strong { font-size: 11px; }
  .zrsld-app .zrsld-lf-ribbon .zrsld-lf-summary__case > span { display: none; }
  .zrsld-app .zrsld-lf-ribbon { gap: 3px; padding-inline: 4px; }
  .zrsld-app .zrsld-lf-ribbon :is(.zrsld-lf-display__toggle,.zrsld-lf-ribbon__more-toggle) { gap: 2px; }
  .zrsld-app .zrsld-lf-ribbon :is(.zrsld-lf-display__toggle,.zrsld-lf-ribbon__more-toggle) > [aria-hidden] { display: none; }
  .zrsld-app .zrsld-lf-ribbon .zrsld-lf-issues-link > span { max-width: 45px; white-space: normal; line-height: 15px; }
  .zrsld-app .zrsld-lf-display__checks { grid-template-columns: 1fr; }
}

/* Excluded islands remain visible in the compact ribbon, including narrow screens. */
.zrsld-app .zrsld-lf-ribbon.is-partial .zrsld-lf-summary__case { min-width: 122px; flex-shrink: 0; }
.zrsld-app .zrsld-lf-ribbon.is-partial .zrsld-lf-summary__case strong { color: #854700; }
.zrsld-app .zrsld-lf-ribbon.is-partial .zrsld-lf-summary__case > span { display: block; color: #734514; white-space: nowrap; }
.zrsld-app .zrsld-result-status.is-unsolved { color: #754500; background: #fff1d6; border-color: #dca753; }

/* Narrow canvases keep the status and primary actions on one row. The
   Findings shortcut remains available as an explicit command under More. */
.zrsld-app .zrsld-lf-ribbon__commands .zrsld-lf-ribbon__findings-secondary { display: none; }
@container analysis (max-width: 420px) {
  .zrsld-app .zrsld-lf-ribbon > button.zrsld-lf-issues-link { display: none; }
  .zrsld-app .zrsld-lf-ribbon__commands .zrsld-lf-ribbon__findings-secondary { display: block; }
}

/* Remain visible when the measured edge layer is being rebuilt. */
.zrsld-lf-transfer-layer { position: absolute; inset: 0 auto auto 0; z-index: 2; overflow: visible; pointer-events: none; }

/* One RMS-current phasor beside a centred conductor arrow. */
.zrsld-fault-flow-arrow.is-load-flow.is-branch-current { color: #00677b; filter: none; }
.zrsld-fault-flow-arrow.is-branch-current .zrsld-fault-flow-arrow__label { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-weight: 700; }

/* Each warning has its own keyboard target, even when several share a label. */
.zrsld-app .zrsld-lf-diagram__value > button { display:block; width:100%; min-height:0; min-width:0; margin:0; padding:0; border:0; border-radius:0; background:transparent; box-shadow:none; color:inherit; font:inherit; line-height:16px; text-shadow:inherit; white-space:nowrap; text-align:left; cursor:pointer; }
.zrsld-app .zrsld-lf-diagram__value > button:hover { text-decoration:underline; }
.zrsld-app .zrsld-lf-diagram__value > button:focus-visible { outline:2px solid currentColor; outline-offset:2px; }
.zrsld-app button.zrsld-result-input-link { color:inherit; background:transparent; border:0; font:inherit; text-align:inherit; cursor:pointer; text-decoration:underline; text-underline-offset:3px; }
.zrsld-app button.zrsld-result-input-link:focus-visible { outline:2px solid currentColor; outline-offset:2px; }
.zrsld-result-evidence { margin:8px 0; font-size:12px; }
.zrsld-result-evidence dt { font-weight:700; }
.zrsld-result-evidence dd { margin:0 0 8px; }
.zrsld-result-evidence dd small { display:block; }

.zrsld-app .zrsld-lf-exception-marker {display:flex;width:auto;gap:2px;pointer-events:auto;}
.zrsld-app .zrsld-lf-exception-marker button {font:bold 10px/14px system-ui,sans-serif;color:inherit;background:white;border:1px solid currentColor;border-radius:2px;padding:0 2px;min-height:0;min-width:0;cursor:pointer;}

.zrsld-warning-related {display:flex;flex-wrap:wrap;gap:4px 12px;margin:6px 0 10px;}

/* An unassessed capacity is a model limit, never a rating pass. */
.zrsld-app .zrsld-lf-diagram__value.is-unassessed { color:#52636f; }