/* Strand machine explorer. Shares the site shell; only the board is bespoke. */

.machine {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.machine__intro h1 {
  margin: 0 0 0.35rem;
}
.machine__intro p {
  margin: 0;
  max-width: 68ch;
  color: var(--fg-muted, #9aa4b2);
}

.machine__controls {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.85rem;
  border: 1px solid var(--rule, #2a3140);
  border-radius: 8px;
}

.machine__label {
  font-weight: 600;
  margin-right: 0.5rem;
}

.machine__chooser,
.machine__relation {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.machine__choice {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.machine__relation button {
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  border: 1px solid var(--rule, #2a3140);
  background: transparent;
  color: inherit;
  cursor: pointer;
}
.machine__relation button.is-active {
  border-color: var(--accent, #6ea8fe);
  background: color-mix(in srgb, var(--accent, #6ea8fe) 18%, transparent);
}

.machine__hint {
  color: var(--fg-muted, #9aa4b2);
  font-size: 0.85rem;
}

.machine__tiles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.machine__tile {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  padding: 0.5rem 0.75rem;
  border: 2px solid;
  border-radius: 8px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  min-width: 9.5rem;
  text-align: left;
}
.machine__tile:hover {
  background: color-mix(in srgb, currentColor 10%, transparent);
}
.machine__key,
.machine__options kbd {
  display: inline-block;
  min-width: 1.35em;
  padding: 0 0.3em;
  border: 1px solid var(--rule, #2a3140);
  border-radius: 4px;
  font-family: ui-monospace, monospace;
  text-align: center;
}
.machine__tilename {
  font-weight: 600;
}
.machine__seam {
  font-size: 0.8rem;
  color: var(--fg-muted, #9aa4b2);
}

.machine__board {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 21rem;
  gap: 1rem;
  align-items: start;
}
@media (max-width: 900px) {
  .machine__board {
    grid-template-columns: minmax(0, 1fr);
  }
}

.machine__svg {
  width: 100%;
  max-height: 68vh;
  border: 1px solid var(--rule, #2a3140);
  border-radius: 8px;
  background: var(--bg-sunken, #0e1218);
}

.machine__placed {
  stroke: #0b0e13;
  stroke-width: 0.03;
  fill-opacity: 0.85;
}
.machine__ghost {
  fill: #6ea8fe;
  fill-opacity: 0.12;
  stroke: #6ea8fe;
  stroke-width: 0.04;
  stroke-dasharray: 0.12 0.08;
  cursor: pointer;
}
.machine__ghost:hover {
  fill-opacity: 0.3;
}
.machine__ghost.is-seen {
  stroke: #56d364;
  fill: #56d364;
}
.machine__ghost.is-blocked {
  stroke: #f85149;
  fill: #f85149;
  fill-opacity: 0.08;
  cursor: not-allowed;
}
.machine__ghostkey {
  font-size: 0.42px;
  fill: #e6edf3;
  text-anchor: middle;
  dominant-baseline: middle;
  pointer-events: none;
  font-family: ui-monospace, monospace;
}
.machine__strand {
  fill: none;
  stroke: #ffd866;
  stroke-width: 0.07;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.machine__panel {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.machine__status p {
  margin: 0 0 0.5rem;
}
.machine__closed {
  color: #56d364;
  font-weight: 600;
}
.machine__buttons {
  display: flex;
  gap: 0.5rem;
}
.machine__buttons button {
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--rule, #2a3140);
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.machine__options {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.machine__options button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--rule, #2a3140);
  border-radius: 6px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  text-align: left;
}
.machine__options li.is-blocked button {
  opacity: 0.55;
  cursor: not-allowed;
}
.machine__optname {
  font-family: ui-monospace, monospace;
}
.machine__tag {
  margin-left: auto;
  font-size: 0.72rem;
  padding: 0.05rem 0.35rem;
  border-radius: 999px;
  border: 1px solid currentColor;
  white-space: nowrap;
}
.machine__tag.is-close {
  color: #56d364;
}
.machine__tag.is-unseen {
  color: #d29922;
}
.machine__tag.is-bad {
  color: #f85149;
}
.machine__deadend {
  color: var(--fg-muted, #9aa4b2);
}