/* ── Top bar ── */
.topbar { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; max-width: 1680px; margin: 0 auto; padding: 14px 22px 12px; }
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; min-width: 0; }
.brand-mark { width: 38px; height: 38px; color: var(--ink); flex: 0 0 auto; }
.brand-title h1 { font-family: var(--f-cond); font-weight: 700; font-size: 24px; line-height: 1.05; }
.brand-sub { font-size: 12.5px; color: var(--muted); margin-top: 1px; }
.topbar-actions { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.tb-btn { display: inline-flex; align-items: center; gap: 7px; height: 34px; padding: 0 12px; border-radius: 6px; border: 1px solid transparent; background: transparent; color: var(--ink); font-weight: 500; font-size: 13.5px; white-space: nowrap; }
.tb-btn:hover { background: var(--panel); border-color: var(--rule); }
.tb-btn svg { width: 16px; height: 16px; flex: 0 0 auto; }
.tb-btn .count { min-width: 20px; height: 20px; padding: 0 6px; border-radius: 10px; background: var(--ink); color: var(--panel); font-size: 12px; font-weight: 600; display: inline-flex; align-items: center; justify-content: center; }
.theme-toggle-icon { display: none; }
.theme-toggle::before { content: ""; width: 14px; height: 14px; border-radius: 50%; border: 1.5px solid currentColor; background: linear-gradient(90deg, currentColor 50%, transparent 50%); }

/* ── Transport unit rail ── */
.rail { max-width: 1680px; margin: 0 auto 12px; padding: 0 22px; }
.rail-head { display: flex; align-items: flex-end; gap: 10px 20px; flex-wrap: wrap; padding: 4px 0 10px; }
.rail-title { min-width: 0; }
.rail-label { font-size: 12.5px; color: var(--muted); }
.rail-title h2 { font-family: var(--f-cond); font-weight: 700; font-size: 34px; line-height: 1; letter-spacing: -.01em; }
.rail-title p { font-size: 13px; color: var(--ink-2); margin-top: 4px; font-variant-numeric: tabular-nums; }
.rail-hint { font-size: 12.5px; color: var(--muted); margin-left: auto; text-align: right; max-width: 280px; }
.rail-actions { display: flex; gap: 6px; }
.rail-cards { display: flex; gap: 8px; overflow-x: auto; padding: 2px 2px 8px; scroll-snap-type: x proximity; scrollbar-width: thin; scrollbar-color: var(--rule-strong) transparent; }
.eq-card {
  position: relative; flex: 1 0 128px; min-width: 128px; scroll-snap-align: start;
  display: flex; flex-direction: column; align-items: flex-start; gap: 4px; text-align: left;
  padding: 10px 11px 9px; border-radius: 8px; border: 1px solid var(--rule); background: var(--panel); color: var(--ink);
  transition: border-color .15s, background .15s, transform .15s;
}
.eq-card:hover { border-color: var(--rule-strong); }
.eq-card.active { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); background: var(--field); }
.eq-card:focus-visible { box-shadow: var(--focus); }
.eq-art { height: 30px; display: flex; align-items: flex-end; color: var(--ink-2); }
.eq-art { max-width: 100%; }
.eq-art svg { height: 30px; max-width: 100%; display: block; }
.eq-card.active .eq-art { color: var(--accent); }
.eq-kind { font-size: 11.5px; color: var(--muted); line-height: 1.1; margin-top: 2px; }
.eq-name { font-family: var(--f-cond); font-weight: 700; font-size: 18px; line-height: 1; }
.eq-size { font-size: 11.5px; color: var(--muted); font-variant-numeric: tabular-nums; }

.rail .collapsible-body { display: none; margin-top: 4px; padding: 12px 14px; border-radius: 8px; background: var(--panel); border: 1px solid var(--rule); }
.rail .collapsible-body.open { display: block; }
.dims-row { display: grid; grid-template-columns: repeat(5, minmax(90px, 130px)) minmax(200px, 1fr); gap: 10px 12px; align-items: start; }
.dims-notes { align-self: center; }
#containerDimsToggle svg { transition: transform .2s; }
#containerDimsToggle.open svg { transform: rotate(180deg); }
#containerDimsToggle.open { background: var(--panel); border-color: var(--ink-2); }

/* ── Workbench ── */
.workbench {
  display: grid; gap: 12px; align-items: start;
  grid-template-columns: 340px minmax(0, 1fr) 290px;
  grid-template-areas: "cargo viewer results" "cargo analysis analysis";
  max-width: 1680px; margin: 0 auto; padding: 0 22px 18px;
}
.cargo { grid-area: cargo; }
.viewer { grid-area: viewer; }
.results { grid-area: results; }
.analysis { grid-area: analysis; }

/* Buttons & fields shared */
.ghost-btn, .reset-view-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 32px; padding: 0 11px; border-radius: 6px; font-size: 13px; font-weight: 500; border: 1px solid var(--rule-strong); background: transparent; color: var(--ink); white-space: nowrap; }
.ghost-btn:hover { background: var(--panel-2); border-color: var(--ink-2); }
.ghost-btn.wide { width: 100%; height: 36px; }
.primary-btn { height: 32px; padding: 0 12px; border-radius: 6px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); font-weight: 600; font-size: 13px; white-space: nowrap; }
.primary-btn:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); }
.primary-btn:disabled { opacity: .45; cursor: not-allowed; }
.link-btn { border: 0; background: none; color: var(--accent); font-weight: 600; padding: 0; text-decoration: underline; text-underline-offset: 2px; }

.input-block { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.input-block label { font-size: 12.5px; color: var(--ink-2); font-weight: 500; line-height: 1.2; }
.input-row { display: flex; align-items: stretch; min-width: 0; border: 1px solid var(--field-border); border-radius: 6px; background: var(--field); transition: border-color .15s, box-shadow .15s; }
.input-row:focus-within { border-color: var(--accent); box-shadow: var(--focus); }
.input-row input[type=number], .input-row input[type=text] { flex: 1; min-width: 0; width: 100%; border: 0; background: transparent; padding: 6px 8px; font-size: 15px; font-weight: 500; font-variant-numeric: tabular-nums; outline: none; box-shadow: none; }
.input-row input::placeholder { color: var(--muted); font-weight: 400; }
.input-row .unit { display: inline-flex; align-items: center; padding: 0 7px; font-size: 12px; color: var(--muted); border-left: 1px solid var(--rule); background: var(--panel-2); border-radius: 0 5px 5px 0; white-space: nowrap; }
.input-row select { border: 0; border-left: 1px solid var(--rule); background: var(--panel-2); padding: 0 6px; font-size: 13px; border-radius: 0 5px 5px 0; outline: none; }
#dWeightUnit { flex: 0 0 54px; min-width: 54px; }
.hint { font-size: 12px; color: var(--muted); line-height: 1.3; }
.hint.warn { color: var(--danger); font-weight: 500; }
.picker-row { border: 0; background: transparent; }
.picker-row:focus-within { box-shadow: none; }

/* ── Cargo ── */
.cargo { position: sticky; top: 10px; max-height: calc(100vh - 20px); overflow: auto; background: var(--panel); border: 1px solid var(--rule); border-radius: 10px; scrollbar-width: thin; scrollbar-color: var(--rule-strong) transparent; }
.cargo-head { position: sticky; top: 0; z-index: 5; background: var(--panel); padding: 12px 14px 12px; border-bottom: 1px solid var(--rule); }
.cargo-head-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.cargo-head h2 { font-family: var(--f-cond); font-weight: 700; font-size: 22px; line-height: 1; }
.icon-toggle { display: inline-flex; align-items: center; gap: 6px; border: 0; background: none; font-size: 12.5px; color: var(--muted); padding: 4px 6px; border-radius: 5px; }
.icon-toggle:hover { color: var(--ink); background: var(--panel-2); }
.icon-toggle svg { transition: transform .2s; transform: rotate(180deg); }
.icon-toggle:not(.open) svg { transform: none; }
.mode-tabs { display: grid; grid-template-columns: 1fr 1fr; padding: 3px; gap: 3px; border-radius: 8px; background: var(--panel-3); }
.mode-tab { border: 0; border-radius: 6px; background: transparent; padding: 7px 8px; font-weight: 600; font-size: 13.5px; color: var(--ink-2); }
.mode-tab:hover { color: var(--ink); }
.mode-tab.active { background: var(--field); color: var(--ink); box-shadow: 0 1px 2px rgba(10,24,38,.12); }
.cargo .collapsible-body { display: none; }
.cargo .collapsible-body.open { display: block; }
.block { padding: 12px 14px; border-bottom: 1px solid var(--rule); }
.block h3 { font-size: 13.5px; font-weight: 600; margin-bottom: 8px; display: flex; align-items: baseline; gap: 8px; }
.block h3.spaced { margin-top: 12px; }
.h-aside { font-size: 12px; font-weight: 400; color: var(--muted); }
.fields { display: grid; gap: 8px; }
.fields.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.fields.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.custom-select { position: relative; flex: 1; min-width: 0; }
.custom-select-button { width: 100%; display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 6px; border: 1px solid var(--field-border); background: var(--field); text-align: left; font-size: 14px; }
.custom-select-button::after { content: ""; width: 7px; height: 7px; margin-left: 4px; flex: 0 0 auto; border-right: 1.5px solid var(--muted); border-bottom: 1.5px solid var(--muted); transform: translateY(-2px) rotate(45deg); }
.custom-select.open .custom-select-button::after { transform: translateY(1px) rotate(-135deg); }
.custom-select-main { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.custom-select-meta { margin-left: auto; color: var(--muted); font-size: 12.5px; white-space: nowrap; }
.custom-select-menu { position: absolute; z-index: 30; top: calc(100% + 4px); left: 0; right: 0; display: none; padding: 4px; border-radius: 8px; border: 1px solid var(--rule-strong); background: var(--panel); box-shadow: 0 10px 30px rgba(8,20,32,.18); }
.custom-select.open .custom-select-menu { display: block; }
.custom-select-option { width: 100%; display: flex; align-items: center; gap: 10px; padding: 7px 9px; border: 0; border-radius: 5px; background: transparent; text-align: left; font-size: 13.5px; }
.custom-select-option:hover, .custom-select-option:focus-visible { background: var(--panel-2); box-shadow: none; }
.custom-select-option.selected { background: var(--accent-soft); }
.custom-select-option .option-main { font-weight: 500; }
.custom-select-option .option-meta { margin-left: auto; color: var(--muted); font-size: 12.5px; white-space: nowrap; }
.custom-dims { margin-top: 10px; padding: 10px; border-radius: 6px; background: var(--panel-2); }
.custom-dims-title { font-size: 12.5px; font-weight: 500; margin-bottom: 8px; }

.derived { font-size: 12.5px; color: var(--muted); line-height: 1.4; }
.derived + .derived { margin-top: 4px; }
.derived strong { color: var(--ink); font-weight: 600; }
.preset-badge:empty::before { content: "none"; }

.warning { display: none; margin-top: 10px; padding: 9px 11px 9px 16px; font-size: 13px; line-height: 1.4; color: var(--ink); background: var(--amber-soft); border-radius: 6px; position: relative; overflow: hidden; }
.warning::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 6px; background: repeating-linear-gradient(-45deg, var(--amber) 0 5px, var(--ink) 5px 10px); }
.warning ul { padding-left: 16px; }
.warning li + li { margin-top: 4px; }
.packing-info { font-size: 13px; color: var(--ink-2); padding-left: 9px; border-left: 3px solid var(--accent); }
.constraint-panel { margin-top: 10px; }
.constraint-panel-title { font-size: 13px; font-weight: 600; cursor: pointer; padding: 4px 0; list-style: none; display: flex; align-items: center; gap: 6px; }
.constraint-panel-title::-webkit-details-marker { display: none; }
.constraint-panel-title::before { content: ""; width: 6px; height: 6px; border-right: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); transform: rotate(-45deg); transition: transform .15s; }
.constraint-panel[open] .constraint-panel-title::before { transform: rotate(45deg); }
.constraint-item { display: grid; grid-template-columns: 44% 1fr; gap: 8px; padding: 4px 0; font-size: 12.5px; border-bottom: 1px dotted var(--rule); }
.constraint-item:last-child { border-bottom: 0; }
.constraint-item span { color: var(--muted); }
.constraint-item strong { font-weight: 500; }

.multi-help-lead { font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
.multi-parts-list { display: flex; flex-direction: column; gap: 10px; }
.multi-part-row { border: 1px solid var(--rule); border-radius: 8px; padding: 9px; background: var(--field); }
.multi-part-row-head { display: flex; align-items: center; justify-content: space-between; gap: 6px; margin-bottom: 6px; }
.multi-part-ident { display: flex; align-items: center; gap: 6px; min-width: 0; flex: 1; }
.multi-part-swatch { width: 10px; height: 24px; border-radius: 2px; flex: 0 0 auto; }
.multi-part-name { flex: 1; min-width: 0; padding: 4px 6px; border-radius: 5px; border: 1px solid transparent; background: transparent; font-family: var(--f-cond); font-weight: 700; font-size: 16px; }
.multi-part-name:hover { border-color: var(--rule); }
.multi-part-name:focus { border-color: var(--accent); outline: none; box-shadow: var(--focus); }
.multi-remove { border: 0; background: transparent; color: var(--muted); font-size: 12.5px; padding: 4px 7px; border-radius: 5px; }
.multi-remove:hover:not(:disabled) { color: var(--danger); background: var(--danger-soft); }
.multi-remove:disabled { opacity: .45; cursor: not-allowed; }
.multi-part-fields { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; }
.multi-field { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.multi-field > label { font-size: 11.5px; color: var(--muted); line-height: 1.15; min-height: 27px; display: flex; align-items: flex-end; }
.multi-field input, .multi-field select { width: 100%; min-width: 0; padding: 5px 6px; border-radius: 5px; border: 1px solid var(--field-border); background: var(--field); font-size: 13.5px; font-variant-numeric: tabular-nums; }
.multi-field input:focus, .multi-field select:focus { border-color: var(--accent); outline: none; box-shadow: var(--focus); }
.multi-weight-row { display: grid; grid-template-columns: minmax(0, 1fr) 52px; gap: 4px; }
.multi-field:has(.multi-weight-row) { grid-column: span 2; }
.multi-field:has(select[data-field="palletType"]), .multi-stack-check { grid-column: 1 / -1; }
.multi-check { display: flex; align-items: center; gap: 7px; font-size: 13px; min-height: 28px; }
.multi-stack-check > label:first-child { min-height: 0; }
.multi-check input { width: 16px !important; height: 16px; accent-color: var(--accent); }
.multi-part-actions { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.multi-add-btn { padding: 8px 12px; border: 1px dashed var(--rule-strong); border-radius: 7px; background: transparent; font-weight: 600; color: var(--accent); }
.multi-add-btn:hover { border-style: solid; border-color: var(--accent); background: var(--accent-soft); }
.multi-help { font-size: 12px; color: var(--muted); }
.multi-plan-summary { margin-top: 10px; font-size: 12.5px; color: var(--ink-2); line-height: 1.55; }
.multi-plan-summary strong { color: var(--ink); }
.cargo-foot { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.save-note { font-size: 12px; color: var(--muted); }

/* ── Viewer ── */
.viewer { min-width: 0; background: var(--panel); border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; }
.viewport-wrap { position: relative; }
canvas { display: block; }
#canvasViewport {
  overflow: auto; width: 100%; height: clamp(440px, 60vh, 700px); min-height: 280px; cursor: grab; user-select: none; -webkit-user-select: none; position: relative;
  background: linear-gradient(var(--bay-grid) 1px, transparent 1px) 0 0 / 24px 24px, linear-gradient(90deg, var(--bay-grid) 1px, transparent 1px) 0 0 / 24px 24px, var(--bay);
  scrollbar-width: thin;
}
#canvasViewport:active { cursor: grabbing; }
.float { position: absolute; z-index: 3; }
.float-tl { top: 10px; left: 10px; }
.float-tr { top: 10px; right: 10px; display: flex; gap: 6px; }
.float-br { bottom: 10px; right: 10px; }
.float-bl { bottom: 12px; left: 12px; }
.view-tabs { display: inline-flex; padding: 3px; gap: 2px; border-radius: 8px; background: var(--float); border: 1px solid var(--float-border); box-shadow: var(--shadow-float); backdrop-filter: blur(6px); }
.view-tab { border: 0; border-radius: 5px; background: transparent; padding: 5px 10px; font-size: 13px; font-weight: 600; color: var(--ink-2); white-space: nowrap; }
.view-tab:hover { color: var(--ink); background: var(--panel-2); }
.view-tab.active { background: var(--ink); color: var(--panel); }
.float-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 32px; padding: 0 11px; border-radius: 7px; border: 1px solid var(--float-border); background: var(--float); box-shadow: var(--shadow-float); font-size: 13px; font-weight: 600; color: var(--ink); backdrop-filter: blur(6px); }
.float-btn:hover { border-color: var(--ink-2); }
.float-btn.on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.float-btn.icon { width: 32px; padding: 0; font-size: 17px; }
.float-btn strong { font-weight: 600; }
.zoom-pill { display: flex; align-items: center; gap: 4px; padding: 3px; border-radius: 9px; background: var(--float); border: 1px solid var(--float-border); box-shadow: var(--shadow-float); backdrop-filter: blur(6px); }
.zoom-pill .float-btn { box-shadow: none; border-color: transparent; background: transparent; height: 28px; }
.zoom-pill .float-btn.icon { width: 28px; }
.zoom-pill .float-btn:hover { background: var(--panel-2); }
.zoom-control { display: flex; align-items: center; gap: 6px; }
.zoom-control input[type=range] { width: 96px; height: 28px; }
.zoom-control strong { min-width: 40px; font-size: 12.5px; font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }
.viewport-hint { font-size: 12px; color: var(--muted); pointer-events: none; }

input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 32px; background: transparent; cursor: pointer; }
input[type=range]::-webkit-slider-runnable-track { height: 6px; border-radius: 3px; background: linear-gradient(90deg, var(--accent) 0 var(--pct, 0%), var(--panel-3) var(--pct, 0%) 100%); }
input[type=range]::-moz-range-track { height: 6px; border-radius: 3px; background: var(--panel-3); }
input[type=range]::-moz-range-progress { height: 6px; border-radius: 3px; background: var(--accent); }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; margin-top: -5px; border-radius: 50%; background: var(--panel); border: 2px solid var(--accent); }
input[type=range]::-moz-range-thumb { width: 12px; height: 12px; border-radius: 50%; background: var(--panel); border: 2px solid var(--accent); }
input[type=range]:focus-visible { box-shadow: none; }
input[type=range]:focus-visible::-webkit-slider-thumb { box-shadow: var(--focus); }

.loader { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--rule); }
.play-btn { display: inline-flex; align-items: center; gap: 7px; height: 32px; padding: 0 12px 0 10px; border-radius: 16px; border: 0; background: var(--ink); color: var(--panel); font-weight: 600; font-size: 13px; white-space: nowrap; }
.play-btn:hover { background: var(--ink-2); }
.play-btn svg { width: 14px; height: 14px; }
.play-btn .i-pause, .play-btn.playing .i-play { display: none; }
.play-btn.playing .i-pause { display: block; }
.step-btn { width: 32px; height: 32px; flex: 0 0 auto; border-radius: 6px; border: 1px solid var(--rule-strong); background: var(--field); font-size: 17px; line-height: 1; display: inline-flex; align-items: center; justify-content: center; }
.step-btn:hover:not(:disabled) { border-color: var(--ink-2); }
.step-btn:disabled { opacity: .4; cursor: not-allowed; }
.controls-row { flex: 1; min-width: 80px; }
.controls-row label { display: block; }
.loader-count { font-size: 13px; color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.loader-count b { font-family: var(--f-cond); font-size: 20px; color: var(--ink); }

.legend { display: flex; align-items: center; gap: 6px 16px; flex-wrap: wrap; padding: 8px 14px 10px; border-top: 1px solid var(--rule); font-size: 12.5px; color: var(--ink-2); }
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-swatch { width: 14px; height: 14px; border-radius: 3px; flex: 0 0 auto; box-shadow: inset 0 0 0 1px rgba(0,0,0,.18); }
.equipment-badge { margin-left: auto; color: var(--muted); }

/* ── Results rail ── */
.results { background: var(--panel); border: 1px solid var(--rule); border-radius: 10px; min-width: 0; }
.r-section { padding: 12px 14px; border-bottom: 1px solid var(--rule); }
.r-last { border-bottom: 0; }
.r-section h3 { font-size: 13.5px; font-weight: 600; margin-bottom: 6px; }
.r-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.r-head h3 { margin: 0; }
.r-fill { display: grid; gap: 12px; }
.meter-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 5px; }
.meter-name { font-size: 13.5px; font-weight: 600; }
.meter-value { font-family: var(--f-cond); font-size: 30px; font-weight: 700; line-height: .9; font-variant-numeric: tabular-nums; }
.meter .note { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; }
.meter-bar { position: relative; height: 26px; border-radius: 3px; overflow: hidden; border: 1px solid var(--rule-strong); background: repeating-linear-gradient(90deg, transparent 0 8px, var(--rib) 8px 11px), var(--panel-2); }
.meter-bar::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, transparent calc(50% - 1px), var(--rule-strong) calc(50% - 1px) 50%, transparent 50%); background-size: 100% 5px; background-repeat: no-repeat; background-position: bottom; }
.meter-fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: repeating-linear-gradient(90deg, transparent 0 8px, var(--rib-fill) 8px 11px), var(--accent); transition: width .45s cubic-bezier(.2,.7,.2,1); }
.meter.over .meter-fill { background: repeating-linear-gradient(-45deg, var(--amber) 0 9px, var(--ink) 9px 18px); }
.meter.over .meter-value { color: var(--danger); }
.meter.empty .meter-bar { border-style: dashed; }
.meter.empty .meter-value { color: var(--muted); }

.stats-row { display: grid; grid-template-columns: 1fr; }
.stat { display: grid; grid-template-columns: 1fr auto; column-gap: 10px; align-items: baseline; padding: 5px 0; border-bottom: 1px dotted var(--rule); font-size: 13px; color: var(--ink-2); }
.stat:last-child { border-bottom: 0; }
.stat strong { grid-column: 2; grid-row: 1; font-family: var(--f-cond); font-size: 17px; font-weight: 700; color: var(--ink); text-align: right; font-variant-numeric: tabular-nums; }
.stat strong.multi-part-total { font-family: var(--f-body); font-size: 12.5px; font-weight: 600; line-height: 1.4; }
.stat .note { grid-column: 1 / -1; font-size: 11.5px; color: var(--muted); line-height: 1.2; }
.stat .note:empty { display: none; }

/* ── Analysis ── */
.analysis { background: var(--panel); border: 1px solid var(--rule); border-radius: 10px; min-width: 0; }
.tabs { display: flex; gap: 2px; padding: 0 10px; border-bottom: 1px solid var(--rule); overflow-x: auto; }
.tab { border: 0; background: transparent; padding: 12px 10px 10px; font-family: var(--f-cond); font-size: 16px; font-weight: 600; color: var(--muted); border-bottom: 2.5px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tab:hover { color: var(--ink); }
.tab.active { color: var(--ink); border-bottom-color: var(--accent); }
.tab-panel { padding: 12px 16px 16px; }
.panel-lead { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.insight-list { list-style: none; display: grid; gap: 0; }
.insight-list li { display: grid; grid-template-columns: 78px 1fr; gap: 12px; align-items: baseline; padding: 8px 0; border-bottom: 1px dotted var(--rule); font-size: 13.5px; max-width: 960px; }
.insight-list li:last-child { border-bottom: 0; }
.insight-tag { font-size: 12px; font-weight: 600; padding: 2px 7px; border-radius: 4px; justify-self: start; background: var(--panel-2); color: var(--ink-2); }
.insight-tag.limit { background: var(--amber); color: var(--amber-ink); }
.insight-tag.tip { background: var(--accent-soft); color: var(--ink); }
.insight-tag.ok { background: var(--accent); color: var(--accent-ink); }

.table-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: 8px; }
.compare-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.info-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 0 24px; }
.info-block { display: flex; flex-direction: column; padding: 6px 0; border-bottom: 1px dotted var(--rule); }
.info-block dt { font-size: 12px; color: var(--muted); }
.info-block dd { font-size: 14px; font-weight: 500; font-variant-numeric: tabular-nums; }

/* Fullscreen */
.visualization-card:fullscreen, .visualization-card.fullscreen-fallback { width: 100vw; height: 100vh; max-width: none; margin: 0; border: 0; border-radius: 0; background: var(--panel); display: flex; flex-direction: column; }
.visualization-card:fullscreen .viewport-wrap, .visualization-card.fullscreen-fallback .viewport-wrap { flex: 1 1 auto; min-height: 0; display: flex; }
.visualization-card:fullscreen #canvasViewport, .visualization-card.fullscreen-fallback #canvasViewport { flex: 1 1 auto; height: auto; min-height: 0; }
.visualization-card.fullscreen-fallback { position: fixed; inset: 0; z-index: 9999; }
html.viewer-fullscreen-fallback, body.viewer-fullscreen-fallback { overflow: hidden; }


/* Dialogs */
dialog.sheet { border: 1px solid var(--rule-strong); border-radius: 10px; padding: 0; color: var(--ink); background: var(--panel); width: min(760px, calc(100vw - 24px)); max-height: calc(100vh - 40px); box-shadow: 0 24px 70px rgba(5,14,24,.35); margin: auto; }
dialog.sheet.wide { width: min(960px, calc(100vw - 24px)); }
dialog.sheet.narrow { width: min(460px, calc(100vw - 24px)); }
dialog.sheet::backdrop { background: rgba(9,20,32,.5); }
.sheet-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 16px 20px 12px; border-bottom: 1px solid var(--rule); position: sticky; top: 0; background: var(--panel); z-index: 1; }
.sheet-head h2 { font-family: var(--f-cond); font-size: 23px; font-weight: 700; line-height: 1.1; }
.sheet-head p { font-size: 13px; color: var(--muted); margin-top: 3px; max-width: 600px; }
.close-btn { width: 32px; height: 32px; flex: 0 0 auto; border-radius: 6px; border: 1px solid var(--rule-strong); background: transparent; font-size: 18px; line-height: 1; }
.close-btn:hover { background: var(--panel-2); }
.sheet-body { padding: 14px 20px 20px; }
.sheet-section + .sheet-section { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--rule); }
.sheet-section h3 { font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.muted-p { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.inline-form { display: flex; gap: 8px; flex-wrap: wrap; }
.text-input { flex: 1; min-width: 180px; height: 36px; padding: 0 10px; border-radius: 6px; border: 1px solid var(--field-border); background: var(--field); font-size: 14px; }
.text-input:focus, .code-area:focus { border-color: var(--accent); outline: none; box-shadow: var(--focus); }
.scenario-list { list-style: none; }
.scenario-item { display: grid; grid-template-columns: 1fr auto; gap: 3px 12px; align-items: center; padding: 9px 0; border-bottom: 1px dotted var(--rule); }
.scenario-item:last-child { border-bottom: 0; }
.scenario-name { font-weight: 600; font-size: 14.5px; }
.scenario-meta { font-size: 12.5px; color: var(--muted); grid-column: 1; }
.scenario-actions { grid-column: 2; grid-row: 1 / span 2; display: flex; gap: 6px; }
.small-btn { height: 30px; padding: 0 10px; border-radius: 5px; border: 1px solid var(--rule-strong); background: transparent; font-size: 12.5px; font-weight: 500; }
.small-btn:hover { background: var(--panel-2); }
.small-btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.small-btn.primary:hover { background: var(--accent-hover); }
.small-btn.danger:hover { color: var(--danger); border-color: var(--danger); background: var(--danger-soft); }
.empty-state { font-size: 13.5px; color: var(--muted); padding: 6px 0; }
.code-area { width: 100%; min-height: 80px; padding: 8px 10px; border-radius: 6px; resize: vertical; border: 1px solid var(--field-border); background: var(--field); font-size: 12px; line-height: 1.35; word-break: break-all; font-family: ui-monospace, 'SFMono-Regular', Consolas, monospace; }
.row-actions { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; align-items: center; }
.row-actions .msg { font-size: 12.5px; color: var(--muted); }
.row-actions .msg.err { color: var(--danger); }
.compare-table tr.current td { background: var(--accent-soft); }
.compare-table .eq-n { font-weight: 600; }
.compare-table .tag { display: inline-block; margin-left: 6px; font-size: 11px; font-weight: 600; padding: 1px 6px; border-radius: 3px; background: var(--ink); color: var(--panel); }
.compare-table .tag.amber { background: var(--amber); color: var(--amber-ink); }
.compare-table .over { color: var(--danger); font-weight: 600; }
.mini-bar { display: inline-block; width: 54px; height: 8px; margin-left: 8px; border-radius: 2px; background: var(--panel-3); vertical-align: middle; overflow: hidden; }
.mini-bar i { display: block; height: 100%; background: var(--accent); }
.compare-note { font-size: 12.5px; color: var(--muted); margin-top: 10px; }
.kbd-list { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; font-size: 13.5px; align-items: center; }
.kbd-list kbd { display: inline-block; min-width: 26px; padding: 2px 7px; text-align: center; border-radius: 4px; border: 1px solid var(--rule-strong); border-bottom-width: 2px; background: var(--field); font: 600 12.5px var(--f-body); }

.toast { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%) translateY(20px); opacity: 0; pointer-events: none; display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 7px; background: var(--ink); color: var(--panel); font-size: 13.5px; z-index: 10000; transition: opacity .2s, transform .2s; box-shadow: 0 10px 30px rgba(5,14,24,.3); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.toast button { border: 0; background: none; color: var(--amber); font-weight: 600; padding: 0; }
.mobile-bar { display: none; }

/* ── Responsive ── */
@media (max-width: 1320px) {
  .workbench { grid-template-columns: 330px minmax(0, 1fr); grid-template-areas: "cargo viewer" "cargo results" "cargo analysis"; }
  .results { display: grid; grid-template-columns: 1.1fr 1.3fr 1.2fr; }
  .results .r-section { border-bottom: 0; border-right: 1px solid var(--rule); }
  .results .r-section:nth-child(3) { border-right: 0; }
  .results .r-section:nth-child(4) { grid-column: 1 / -1; border-top: 1px solid var(--rule); border-right: 0; }
  .results .r-section:nth-child(n+4) { grid-column: span 1; border-top: 1px solid var(--rule); }
  .results .r-last { grid-column: 1 / -1; border-right: 0; display: flex; align-items: center; }
  .rail-hint { display: none; }
}
@media (max-width: 960px) {
  .workbench { grid-template-columns: 1fr; grid-template-areas: "cargo" "viewer" "results" "analysis"; padding: 0 10px 14px; gap: 10px; }
  .cargo { position: static; max-height: none; overflow: visible; }
  .cargo-head { position: static; }
  .results { grid-template-columns: 1fr 1fr; }
  .results .r-section { border-right: 0; border-top: 1px solid var(--rule); }
  .results .r-section:nth-child(odd) { border-right: 1px solid var(--rule); }
  .results .r-section:nth-child(-n+2) { border-top: 0; }
  .results .r-last { grid-column: 1 / -1; border-right: 0; }
  .rail { padding: 0 10px; }
  .dims-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dims-notes { grid-column: 1 / -1; }
  .mobile-bar { position: fixed; left: 10px; right: 10px; bottom: 10px; z-index: 50; display: flex; align-items: center; gap: 12px; padding: 9px 10px 9px 14px; border-radius: 8px; background: var(--ink); color: var(--panel); box-shadow: 0 10px 30px rgba(5,14,24,.3); transition: transform .2s, opacity .2s; }
  .mobile-bar.away { transform: translateY(140%); opacity: 0; pointer-events: none; }
  .mobile-bar-text { flex: 1; font-size: 13.5px; line-height: 1.25; font-variant-numeric: tabular-nums; }
  .mobile-bar-text b { font-family: var(--f-cond); font-size: 17px; }
  .mobile-bar button { height: 34px; padding: 0 12px; border-radius: 6px; border: 0; background: var(--amber); color: var(--amber-ink); font-weight: 600; }
  body { padding-bottom: 70px; }
  .site-footer { grid-template-columns: 1fr; padding: 4px 12px 90px; }
}
@media (max-width: 640px) {
  .topbar { padding: 10px 12px; gap: 8px; }
  .brand-mark { width: 30px; height: 30px; }
  .brand-title h1 { font-size: 19px; }
  .brand-sub, .label-long, #themeToggleText { display: none; }
  .topbar-actions { width: 100%; }
  .rail-title h2 { font-size: 26px; }
  .rail-actions { width: 100%; }
  .eq-card { flex: 0 0 120px; min-width: 120px; }
  .results { grid-template-columns: 1fr; }
  .results .r-section { border-right: 0 !important; border-top: 1px solid var(--rule) !important; }
  .results .r-section:first-child { border-top: 0 !important; }
  #canvasViewport { height: 360px; }
  .zoom-control input[type=range], .viewport-hint { display: none; }
  .loader { flex-wrap: wrap; }
  .controls-row { order: 5; flex-basis: 100%; }
  .play-btn span { display: none; }
  .play-btn { padding: 0 10px; }
  .loader-count { margin-left: auto; }
  .insight-list li { grid-template-columns: 1fr; gap: 4px; }
  .multi-part-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .multi-field:has(.multi-weight-row) { grid-column: 1 / -1; }
  .scenario-item { grid-template-columns: 1fr; }
  .scenario-actions { grid-column: 1; grid-row: auto; }
  .view-tab { padding: 5px 8px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } }

@media print {
  @page { margin: 11mm; }
  html, body { background: #fff !important; padding: 0 !important; }
  .topbar-actions, .rail-cards, .rail-actions, .rail-hint, .rail .collapsible-body, .cargo, .float, .loader, .mobile-bar, .toast, dialog, .tabs, #copyExcel, .demand-form, .panel-lead { display: none !important; }
  .print-only { display: block !important; }
  .topbar, .rail { padding: 0; margin: 0 0 6px; }
  #printMeta { font-size: 12px; }
  .workbench { display: block; padding: 0; }
  .viewer, .results, .analysis { border: 1px solid #ccc; margin-bottom: 8px; break-inside: avoid; }
  #canvasViewport { height: auto !important; overflow: visible !important; background: #fff !important; }
  #c { max-width: 100%; height: auto !important; margin: 0 auto !important; }
  .results { display: grid !important; grid-template-columns: 1fr 1fr 1fr; }
  .results .r-section { border: 0 !important; }
  .tab-panel { display: block !important; break-inside: avoid; }
  .tab-panel[hidden] { display: block !important; }
  .tab-panel h3.print-only { font-family: var(--f-cond); font-size: 17px; margin-bottom: 6px; }
  .meter-bar, .meter-fill, .insight-tag, .legend-swatch, .seq-table .step-no, .seq-table .sw { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}