/* The workspace: a map sheet. The 3D view sits inside a double neatline whose ticks are
   real graduations; tools on the left, readouts on the right, the flight along the foot. */

body.ws {
  height: 100vh;
  overflow: hidden;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 320px;
  grid-template-rows: 52px minmax(0, 1fr) 96px;
  grid-template-areas:
    "top top top"
    "rail stage inspector"
    "time time time";
}

/* ---- top bar ---- */
.ws-top {
  grid-area: top;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 0 20px;
  border-bottom: 1px solid var(--rule);
}
.ws-brand {
  font-weight: 300;
  font-size: var(--t-lg);
  letter-spacing: 0.02em;
  text-decoration: none;
}
.ws-title { display: flex; align-items: baseline; gap: 12px; min-width: 0; }
.ws-title #modelTitle { font-weight: 600; white-space: nowrap; }
.ws-title .note { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ws-model { display: flex; align-items: center; gap: 8px; font-size: var(--t-sm); color: var(--slate); }
.ws-model select { font: inherit; color: var(--ink); background: var(--paper); border: 1px solid var(--rule); border-radius: 3px; padding: 3px 6px; }
.ws-units { margin-left: auto; display: flex; align-items: center; gap: 10px; font-size: var(--t-sm); }
.ws-units-label { color: var(--slate); }
.ws-units strong { font-weight: 600; }
.ws-units strong.is-calibrated { color: var(--magenta); }

.ws-btn {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 5px 11px;
  font-size: var(--t-sm);
  cursor: pointer;
}
.ws-btn:hover { border-color: var(--ink); }
.ws-btn[disabled] { opacity: 0.45; cursor: default; }
.ws-btn[aria-pressed="true"], .ws-btn.is-on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.ws-btn-strong { background: var(--magenta); border-color: var(--magenta); color: #fff; }

/* ---- tool rail ---- */
.ws-rail {
  grid-area: rail;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 10px 0;
  border-right: 1px solid var(--rule);
}
.ws-rail-gap { height: 1px; background: var(--rule); margin: 8px 14px; }
.ws-tool {
  position: relative;
  display: grid;
  place-items: center;
  height: 48px;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--slate);
}
.ws-tool svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.ws-tool span {
  position: absolute;
  left: 56px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--ink);
  color: var(--paper);
  font-size: var(--t-xs);
  padding: 3px 8px;
  border-radius: 2px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  z-index: 5;
}
.ws-tool:hover span, .ws-tool:focus-visible span { opacity: 1; }
.ws-tool:hover { color: var(--ink); }
.ws-tool.is-active { color: var(--magenta); }
.ws-tool.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 3px;
  background: var(--magenta);
}

/* ---- the sheet ---- */
.ws-stage { grid-area: stage; padding: 14px; min-width: 0; min-height: 0; }
.ws-neatline {
  position: relative;
  height: 100%;
  border: 1px solid var(--ink);
  outline: 1px solid var(--ink);
  outline-offset: 5px;
  margin: 6px;
  background: var(--paper);
}
#view { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
body.is-picking #view { cursor: crosshair; }
.ws-ticks { position: absolute; inset: -6px; width: calc(100% + 12px); height: calc(100% + 12px); pointer-events: none; }

.ws-minimap {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 220px;
  height: 150px;
  background: var(--film);
  border: 1px solid var(--ink);
}
.ws-minimap canvas { width: 100%; height: 100%; display: block; cursor: pointer; }

.ws-views { position: absolute; left: 14px; top: 14px; display: flex; gap: 6px; }
.ws-layers {
  position: absolute;
  left: 14px;
  bottom: 14px;
  display: flex;
  gap: 16px;
  font-size: var(--t-sm);
  background: rgba(245, 247, 246, 0.86);
  padding: 5px 10px;
  border: 1px solid var(--rule);
}
.ws-layers input { accent-color: var(--magenta); }
.ws-hint {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  margin: 0;
  max-width: 60ch;
  font-size: var(--t-xs);
  color: var(--slate);
  text-align: center;
  pointer-events: none;
}
.ws-scalebar { position: absolute; right: 14px; bottom: 14px; font-size: var(--t-xs); }

/* ---- inspector ---- */
.ws-inspector {
  grid-area: inspector;
  border-left: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.ws-inspector h2 { font-size: var(--t-md); font-weight: 600; margin: 0; }
.ws-now { padding: 18px 20px 20px; border-bottom: 1px solid var(--rule); }
.ws-now .note { margin: 6px 0 0; font-size: var(--t-md); line-height: 1.4; }
.ws-readout { margin-top: 14px; display: grid; gap: 10px; }
.ws-readout .figure { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.ws-readout .figure span { color: var(--slate); font-size: var(--t-sm); }
.ws-readout .figure strong { font-size: var(--t-xl); font-weight: 500; font-stretch: 90%; }
.ws-readout .figure.lead strong { font-size: var(--t-2xl); color: var(--magenta); }
.ws-readout .figure small { font-size: var(--t-sm); color: var(--slate); font-weight: 400; margin-left: 4px; }
.ws-chart { margin-top: 14px; height: 150px; }
.ws-chart svg { width: 100%; height: 100%; overflow: visible; }

.ws-list { padding: 16px 20px; overflow-y: auto; flex: 1; min-height: 0; }
.ws-list-head { display: flex; align-items: center; justify-content: space-between; }
.ws-items { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 2px; }
.ws-items li {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  align-items: baseline;
  padding: 7px 8px;
  border-radius: 2px;
  cursor: pointer;
  font-size: var(--t-sm);
}
.ws-items li:hover, .ws-items li.is-selected { background: var(--magenta-wash); }
.ws-items li strong { font-weight: 600; }
.ws-items li button { background: none; border: 0; color: var(--slate); cursor: pointer; padding: 0 2px; }
.ws-empty { margin: 12px 0 0; font-size: var(--t-md); }

/* ---- the flight ---- */
.ws-time {
  grid-area: time;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 72px;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  border-top: 1px solid var(--rule);
}
.ws-strip { position: relative; height: 64px; overflow: hidden; border: 1px solid var(--ink); cursor: ew-resize; background: var(--ink); }
.ws-frames { display: flex; height: 100%; }
.ws-frames img { height: 100%; flex: 1 1 0; min-width: 0; object-fit: cover; opacity: 0.8; }
.ws-playhead { position: absolute; top: -1px; bottom: -1px; width: 2px; background: var(--magenta); left: 0; box-shadow: 0 0 0 1px rgba(255,255,255,0.6); }
.ws-clock { font-size: var(--t-lg); font-weight: 500; font-stretch: 90%; text-align: right; }

/* ---- calibration and loading ---- */
.ws-dialog { border: 1px solid var(--ink); border-radius: 3px; padding: 22px 24px; max-width: 460px; background: var(--paper); color: var(--ink); }
.ws-dialog::backdrop { background: rgba(31, 38, 41, 0.35); }
.ws-dialog h2 { margin: 0 0 8px; font-size: var(--t-lg); font-weight: 600; }
.ws-dialog label { display: grid; gap: 4px; font-size: var(--t-sm); margin: 14px 0 6px; }
.ws-dialog input { font: inherit; padding: 6px 8px; border: 1px solid var(--rule); border-radius: 2px; }
.ws-dialog-actions { display: flex; gap: 8px; margin-top: 16px; }

.ws-loading {
  position: fixed;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 6px;
  background: var(--film);
  z-index: 20;
  transition: opacity 0.4s;
}
.ws-loading .wide { font-size: var(--t-3xl); font-weight: 200; }
.ws-loading.is-done { opacity: 0; pointer-events: none; }

/* A laptop screen at the finale may be 1366 px wide; below that the inspector folds under. */
@media (max-width: 1100px) {
  body.ws { grid-template-columns: 56px minmax(0, 1fr); grid-template-rows: 52px minmax(0, 1fr) 220px 96px;
    grid-template-areas: "top top" "rail stage" "rail inspector" "time time"; }
  .ws-inspector { border-left: 0; border-top: 1px solid var(--rule); flex-direction: row; }
  .ws-now, .ws-list { flex: 1; border-bottom: 0; }
  .ws-minimap { width: 160px; height: 110px; }
}