/* The slideshow (assets/slideshow.js): a picture matted in paper over a
   sign plate, the controls on a bar across the foot. */
html.ss-open, html.ss-open body { overflow: hidden; }

.ss-overlay {
  position: fixed;
  inset: 0;
  z-index: 1600;
  /* the room's margins: the picture well is measured against them */
  --ss-side: 24px;
  --ss-mat: 22px;
  --ss-drop: 248px;
  background: var(--sign-bg);
  color: var(--sign-ink);
  display: grid;
  grid-template-rows: 1fr auto;
}

/* one column pinned to the stage's width, so the plate cannot widen it */
.ss-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  place-items: center;
  min-height: 0;
  padding: var(--ss-side) var(--ss-side) 12px;
  cursor: pointer;
}

.ss-frame {
  display: grid;
  grid-template-rows: 1fr auto;
  min-width: 0;
  max-width: min(1400px, 100%);
  max-height: 100%;
  background: var(--card-bg);
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  animation: ss-in var(--duration-slow) var(--ease-smooth-out);
}
@keyframes ss-in {
  from { opacity: 0; transform: scale(0.985); }
}

/* the mat: paper around the picture */
.ss-mat {
  padding: var(--ss-mat) var(--ss-mat) calc(var(--ss-mat) - 4px);
  display: grid;
  place-items: center;
  min-height: 0;
}
/* the picture well: one size for every slide, the picture fitted whole */
.ss-mat img,
.ss-mat video {
  display: block;
  width: min(1180px, calc(100vw - 2 * var(--ss-side) - 2 * var(--ss-mat) - 2px));
  height: calc(100vh - var(--ss-drop));
  object-fit: contain;
  background: var(--sign-bg);
  border: 1px solid var(--border);
  border-radius: 2px;
}

/* the plate: code and name on the left, team on the right */
.ss-plate {
  display: flex;
  align-items: baseline;
  gap: 16px;
  min-width: 0;
  padding: 11px 16px 12px;
  background: var(--sign-bg);
  color: var(--sign-ink);
}
.ss-plate-line {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex: 0 1 auto;
  min-width: 0;
}
.ss-code {
  flex: none;
  padding: 0;
  background: none;
  color: var(--sign-ink);
  font-family: var(--mono);
  font-size: var(--t-small);
  font-weight: 700;
}
.ss-quest-name {
  font-size: var(--t-lede);
  font-weight: 700;
  letter-spacing: -0.012em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ss-team {
  margin-left: auto;
  flex: 0 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--sign-muted);
  font-size: var(--t-small);
  font-weight: 700;
}

/* the controls: faint while the show runs, full on a hover or a pause */
.ss-bar {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  padding: 12px 12px calc(12px + env(safe-area-inset-bottom, 0px));
  background: var(--sign-bg);
  opacity: 0.25;
  transition: opacity var(--duration-fast) var(--ease-smooth-out);
}
.ss-overlay:hover .ss-bar,
.ss-overlay.is-paused .ss-bar { opacity: 1; }

.ss-btn {
  border: 2px solid var(--sign-muted);
  border-radius: 2px;
  background: transparent;
  color: var(--sign-ink);
  font: inherit;
  font-weight: 700;
  padding: 8px 14px;
  min-height: 42px;
  cursor: pointer;
  transition:
    background-color var(--duration-quick) var(--ease-smooth-out),
    color var(--duration-quick) var(--ease-smooth-out),
    border-color var(--duration-quick) var(--ease-smooth-out);
}
.ss-btn:hover {
  background: var(--sign-ink);
  border-color: var(--sign-ink);
  color: var(--sign-bg);
}
.ss-btn:active { transform: translate(1px, 1px); }
.ss-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
/* a fixed square, so play and pause do not move the bar */
.ss-btn.ss-square {
  width: 46px;
  padding-left: 0;
  padding-right: 0;
  display: inline-grid;
  place-items: center;
}

.ss-count {
  color: var(--sign-muted);
  font-family: var(--mono);
  font-size: var(--t-small);
  font-weight: 700;
  font-variant-numeric: tabular-nums lining-nums;
  padding: 0 10px;
}

/* the settings, on paper */
.ss-panel {
  position: absolute;
  right: 12px;
  bottom: 76px;
  width: min(330px, calc(100vw - 24px));
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  box-shadow: var(--shadow);
  padding: 16px;
  display: grid;
  gap: 14px;
}
.ss-panel-title {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.ss-field { display: grid; gap: 6px; }
.ss-field-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: var(--t-small);
}
.ss-field-top strong { font-variant-numeric: tabular-nums lining-nums; }
.ss-field input[type="range"] { width: 100%; accent-color: var(--accent); }
.ss-select {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  padding: 9px 10px;
}
.ss-select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.ss-check { margin: 0; }

@media (max-width: 700px) {
  .ss-overlay { --ss-side: 12px; --ss-mat: 12px; --ss-drop: 240px; }
  .ss-stage { padding-bottom: 6px; }
  .ss-plate { flex-wrap: wrap; gap: 4px 14px; padding: 10px 12px 11px; }
  .ss-team { margin-left: 0; }
  /* the count goes above the controls on a phone */
  .ss-bar { opacity: 1; flex-wrap: wrap; gap: 8px; }
  .ss-count { order: -1; flex-basis: 100%; text-align: center; padding: 0 0 2px; }
  .ss-btn { padding: 8px 11px; }
  .ss-btn.ss-square { width: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  .ss-frame { animation: none; }
}