/* Map view: the roadmap diagram. */

.map-view {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.map-top {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 8px;
  padding: 12px 16px 10px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(12px);
}

.start-strip,
.map-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.start-strip > *,
.map-toolbar > * {
  flex: none;
}

.map-toolbar-label {
  min-width: 74px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.start-chip,
.map-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 30px;
  padding: 4px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.start-chip:hover,
.map-chip:hover {
  border-color: var(--accent);
  background: var(--chip-hover);
}

.map-chip > span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.map-chip[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--bg);
}

.map-chip.clear {
  border-style: dashed;
  background: transparent;
}

.map-toolbar-sep {
  width: 1px;
  height: 22px;
  margin: 0 4px;
  background: var(--border-strong);
}

.map-summary {
  margin-left: 4px;
  color: var(--muted);
  font-size: 12.5px;
}

.dot.both {
  background: linear-gradient(90deg, var(--sw) 50%, var(--hw) 50%);
}

.imp-swatch {
  display: inline-block;
  width: 16px;
  height: 11px;
  border: 1px solid var(--box-edge);
  border-radius: 3px;
}

.imp-swatch.required { background: var(--imp-required); }
.imp-swatch.recommended { background: var(--imp-recommended); }
.imp-swatch.possible { background: var(--imp-possible); border-color: var(--border-strong); }

.map-canvas {
  position: relative;
  min-height: 0;
}

.diagram {
  display: block;
  width: 100%;
  height: 100%;
  font-family: var(--font-display);
  touch-action: none;
  user-select: none;
  cursor: grab;
}

.diagram.panning {
  cursor: grabbing;
}

.page-bg {
  fill: transparent;
}

.page-title {
  fill: var(--text);
  font-size: 34px;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.legend-text {
  fill: var(--text);
  font-size: 13px;
  font-weight: 600;
}

.legend-note {
  fill: var(--muted);
  font-size: 12px;
  font-style: italic;
}

.legend-imp { stroke: var(--box-edge); stroke-width: 1; }
.legend-imp.required { fill: var(--imp-required); }
.legend-imp.recommended { fill: var(--imp-recommended); }
.legend-imp.possible { fill: var(--imp-possible); stroke: var(--border-strong); }
.legend-area { fill: none; stroke-width: 2.5; }
.legend-area.sw { stroke: var(--sw); }
.legend-area.hw { stroke: var(--hw); }
.legend-area.ss { stroke: var(--ss); }
.legend-hatch { fill: url(#cross-hatch); stroke: var(--border-strong); }

.area-fill {
  stroke: none;
  fill-opacity: var(--area-tint);
}

.area-fill.sw { fill: var(--sw); }
.area-fill.hw { fill: var(--hw); }
.area-fill.ss { fill: var(--ss); fill-opacity: calc(var(--area-tint) * 1.6); }

.area-line {
  fill: none;
  stroke-width: 3;
}

.area-line.sw { stroke: var(--sw); }
.area-line.hw { stroke: var(--hw); }
.area-line.ss { stroke: var(--ss); stroke-width: 2.5; }

.overlap-fill {
  fill: url(#cross-hatch);
}

.hatch-a,
.hatch-b {
  stroke-width: 2.4;
  stroke-opacity: 0.2;
}

.hatch-a { stroke: var(--sw); }
.hatch-b { stroke: var(--hw); }

.band-label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.22em;
}

.band-label.sw { fill: var(--sw-text); }
.band-label.hw { fill: var(--hw-text); }
.band-label.both { fill: var(--text); }
.band-label.ss { fill: var(--ss-text); }

.group-line {
  fill: none;
  stroke-width: 2;
}

.group-line.g-os { stroke: var(--g-os); }
.group-line.g-mcu { stroke: var(--g-mcu); }
.group-line.g-ifc { stroke: var(--g-ifc); }

.tag-bg {
  fill: var(--surface-solid);
  stroke-width: 2;
}

.tag-text {
  font-size: 14px;
  font-weight: 800;
  pointer-events: none;
}

.group-tag.g-os .tag-bg { stroke: var(--g-os); }
.group-tag.g-mcu .tag-bg { stroke: var(--g-mcu); }
.group-tag.g-ifc .tag-bg { stroke: var(--g-ifc); }
.group-tag.g-os .tag-text { fill: var(--g-os); }
.group-tag.g-mcu .tag-text { fill: var(--g-mcu); }
.group-tag.g-ifc .tag-text { fill: var(--g-ifc); }

.cluster-caption {
  fill: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.box .box-bg {
  stroke: var(--box-edge);
  stroke-width: 1;
  transition: filter 0.15s, stroke 0.15s;
}

.box.required .box-bg { fill: var(--imp-required); }
.box.recommended .box-bg { fill: var(--imp-recommended); }
.box.possible .box-bg { fill: var(--imp-possible); stroke: var(--border-strong); }

.box-text {
  font-size: 14px;
  font-weight: 600;
  pointer-events: none;
}

.box.required .box-text { fill: var(--imp-required-text); }
.box.recommended .box-text { fill: var(--imp-recommended-text); }
.box.possible .box-text { fill: var(--imp-possible-text); }

.box .header-text {
  fill: var(--text);
  font-size: 15px;
  font-weight: 800;
}

.target {
  cursor: pointer;
  outline: none;
}

.box.target:hover .box-bg,
.box.lit .box-bg {
  filter: brightness(1.06);
  stroke: var(--accent);
  stroke-width: 2.2;
}

.box.header.target:hover .header-text,
.box.header.lit .header-text {
  text-decoration: underline;
}

.group-tag.target:hover .tag-bg {
  fill: color-mix(in srgb, var(--surface-solid) 85%, var(--accent));
  stroke-width: 3;
}

.box.selected .box-bg {
  stroke: var(--text);
  stroke-width: 3;
}

.box.header.selected .header-text {
  fill: var(--accent);
}

.box.target:focus-visible .box-bg,
.group-tag.target:focus-visible .tag-bg {
  stroke: var(--accent);
  stroke-width: 3.5;
}

.box.header.target:focus-visible .header-text {
  fill: var(--accent);
  text-decoration: underline;
}

.layer-boxes .box {
  transition: opacity 0.2s;
}

.diagram.filtering .box:not(.match, .header) {
  opacity: 0.15;
}

.diagram.has-focus:not(.filtering) .box:not(.lit, .header) {
  opacity: 0.35;
}

.link,
.link-all {
  fill: none;
  stroke: var(--accent);
  stroke-linecap: round;
  pointer-events: none;
}

.link.evidence,
.link-all.evidence {
  stroke-dasharray: 5 5;
  stroke-opacity: 0.45;
}

.link-end {
  fill: var(--accent);
}

.link-all {
  stroke-opacity: 0.4;
}

.link-all.curated {
  stroke-width: 1.2px;
  stroke-opacity: 0.28;
}

.layer-linksAll {
  opacity: 0;
  transition: opacity 0.25s;
}

.diagram.show-all .layer-linksAll {
  opacity: 1;
}

.diagram.show-all.has-focus .layer-linksAll {
  opacity: 0.2;
}

.credit-main {
  fill: var(--text);
  font-size: 14px;
  font-weight: 700;
}

.credit-text {
  fill: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
}

.credit-strong {
  fill: var(--text);
  font-weight: 800;
}

.credit-icon {
  fill: var(--text);
}

.page-credits a:hover text {
  text-decoration: underline;
}

.zoom-controls {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: grid;
  justify-items: center;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  backdrop-filter: blur(10px);
}

.zoom-controls .icon-btn {
  width: 34px;
  height: 34px;
  font-size: 18px;
  font-weight: 700;
}

.zoom-level {
  color: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 960px) {
  .map-top {
    padding: 8px 10px;
  }

  /* One swipeable row per strip; the fade at the right edge shows there is more. */
  .start-strip,
  .map-toolbar {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    padding-right: 28px;
    mask-image: linear-gradient(90deg, #000 calc(100% - 28px), transparent);
  }

  .start-strip::-webkit-scrollbar,
  .map-toolbar::-webkit-scrollbar {
    display: none;
  }

  .start-chip,
  .map-chip,
  .map-toolbar-label,
  .map-summary {
    flex: none;
  }

  .zoom-controls {
    bottom: 12px;
    right: 12px;
  }
}

/* Printing: the diagram alone on an A4 page, in print colors. */

@page {
  size: A4 portrait;
  margin: 8mm;
}

@media print {
  /* Print the final colors, not a frame of the screen-to-print color transition. */
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }

  html[data-theme] {
    color-scheme: light;
    --bg: #ffffff;
    --text: #0f172a;
    --muted: #475569;
    --surface-solid: #ffffff;
    --border-strong: rgba(15, 23, 42, 0.35);
    --chip-hover: #ffffff;
    --accent: #3b4fd8;
    --sw: #2b9fbf;
    --hw: #e8a400;
    --ss: #12b85a;
    --sw-text: #0b6a85;
    --hw-text: #8a5b00;
    --ss-text: #0b7a3b;
    --g-os: #6d4fb0;
    --g-mcu: #b2453c;
    --g-ifc: #4b5567;
    --area-tint: 0.06;
    --imp-required: #fff04a;
    --imp-required-text: #1d1a00;
    --imp-recommended: #fbd7bb;
    --imp-recommended-text: #2b1407;
    --imp-possible: #f1f3f6;
    --imp-possible-text: #1f2937;
    --box-edge: rgba(15, 23, 42, 0.75);
  }

  html,
  body {
    height: auto;
    overflow: visible;
    background: #ffffff;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .topbar,
  .panel,
  .map-top,
  .zoom-controls,
  .tooltip,
  #outline,
  .status {
    display: none !important;
  }

  .app,
  .layout,
  .stage,
  .map-view,
  .map-canvas {
    display: block !important;
    position: static !important;
    height: auto !important;
    overflow: visible !important;
  }

  .diagram {
    width: 100%;
    height: auto;
    max-height: 280mm;
  }

  .diagram .box,
  .diagram .box-bg {
    opacity: 1 !important;
    filter: none !important;
  }

  .layer-links,
  .layer-linksAll {
    display: none;
  }
}