/* SkylineGlyph — board, towers, clue rails, keypad.
   Colours come from the world tokens (--w-*) so both themes and the
   world file drive the look; this file is layout plus the tower drawing. */

.skCard{ overflow: visible; }
.skTopRow{ display:flex; justify-content:space-between; align-items:flex-start; gap:12px; flex-wrap:wrap; }
.skMeta{ display:flex; flex-direction:column; gap:6px; min-width:0; }
.skLabel{ font-size: 13px; }
.skClock{
  display:flex; flex-direction:column; align-items:flex-end; gap:2px;
  padding: 6px 12px; border-radius: 12px;
  background: var(--w-bg-0); border: 1px solid var(--w-line-soft);
  box-shadow: inset 0 1px 0 var(--w-edge-hi);
}
.skClockLabel{ font-size: 11px; letter-spacing:.12em; text-transform:uppercase; color: var(--w-dim); }
.skTimeVal{ font-size: 26px; line-height:1; font-family: var(--w-font); font-weight: 900; letter-spacing:.04em; color: var(--w-accent-text); font-variant-numeric: tabular-nums; }

.skHint{ margin: 10px 0 6px; font-size: 13.5px; }
.skMsg{ min-height: 0; height: 0; overflow: hidden; opacity: 0; transition: opacity .25s, height .25s; font-size: 13px; color: var(--w-warn-text); font-weight: 700; }
.skMsg.show{ height: 20px; opacity: 1; }

/* ---------- the board: rails around the grid ---------- */
.skWrap{
  --gap: 6px;
  --cell: clamp(46px, calc((100vw - 120px) / (var(--n, 5) + 2)), 78px);
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto 1fr auto;
  grid-template-areas: ". top ." "left grid right" ". bottom .";
  gap: var(--gap);
  width: fit-content; max-width: 100%;
  margin: 12px auto 14px;
}
.skRail{ display: grid; gap: var(--gap); }
.skRail.top, .skRail.bottom{ grid-template-columns: repeat(var(--n, 5), var(--cell)); }
.skRail.left, .skRail.right{ grid-template-rows: repeat(var(--n, 5), var(--cell)); }
.skRail.top{ grid-area: top; } .skRail.bottom{ grid-area: bottom; } .skRail.left{ grid-area: left; } .skRail.right{ grid-area: right; }
.skRail.top .skClue, .skRail.bottom .skClue{ width: var(--cell); height: 34px; }
.skRail.left .skClue, .skRail.right .skClue{ width: 34px; height: var(--cell); }

.skClue{
  display:flex; align-items:center; justify-content:center;
  border: 0; border-radius: 10px; padding: 0; cursor: pointer;
  font-family: var(--w-font); font-weight: 900; font-size: 20px; line-height: 1;
  color: var(--w-dim); background: transparent;
  transition: color .2s, background .2s, transform .16s, box-shadow .2s;
  position: relative;
}
.skClue.none{ pointer-events: none; }
.skClue:not(.none){ background: var(--w-bg-0); box-shadow: inset 0 1px 0 var(--w-edge-hi), inset 0 0 0 1px var(--w-line-soft); }
.skClue:not(.none):hover{ color: var(--w-ink); transform: translateY(-1px); }
.skClue.ok{ color: var(--w-accent-ink); background: linear-gradient(180deg, var(--w-fill-a), var(--w-fill-b)); box-shadow: 0 0 calc(14px * var(--w-glow-scale,1)) var(--w-glow-soft), inset 0 1px 0 rgba(255,255,255,.35); }
.skClue.bad{ color: var(--w-bad-text); box-shadow: inset 0 0 0 1.5px var(--w-bad); }
.skClue::after{ /* the viewpoint tick, pointing at the grid */
  content:""; position:absolute; width:6px; height:6px; background: currentColor; opacity:.35; border-radius: 1px; transform: rotate(45deg);
}
.skRail.top .skClue::after{ bottom: -3px; left: calc(50% - 3px); }
.skRail.bottom .skClue::after{ top: -3px; left: calc(50% - 3px); }
.skRail.left .skClue::after{ right: -3px; top: calc(50% - 3px); }
.skRail.right .skClue::after{ left: -3px; top: calc(50% - 3px); }
.skClue.none::after{ display:none; }

.skGrid{
  grid-area: grid;
  display: grid;
  grid-template-columns: repeat(var(--n, 5), var(--cell));
  grid-auto-rows: var(--cell);
  gap: var(--gap);
  padding: var(--gap);
  border-radius: 14px;
  background: var(--w-bg-0);
}

/* ---------- a cell = a lot with a tower on it ---------- */
.skCell{
  position: relative; display:block; padding: 0; margin: 0; border: 0; cursor: pointer;
  width: var(--cell); height: var(--cell);
  border-radius: 8px; overflow: hidden;
  background: var(--w-cell);
  box-shadow: inset 0 0 0 1px var(--w-cell-br), inset 0 -8px 14px var(--w-hole);
  color: var(--w-cell-ink);
  -webkit-tap-highlight-color: transparent;
  isolation: isolate;
}
.skLot{ /* the empty plot: faint asphalt grid */
  position:absolute; inset:0; z-index:0; pointer-events:none;
  background:
    repeating-linear-gradient(90deg, var(--w-line-soft) 0 1px, transparent 1px 25%),
    repeating-linear-gradient(180deg, var(--w-line-soft) 0 1px, transparent 1px 25%);
  opacity: .8;
}
.skTower{
  position:absolute; left: 22%; right: 22%; bottom: 0; z-index: 1;
  height: calc(var(--h, 0) * 72%);
  display:flex; flex-direction: column-reverse; gap: 1px; padding: 2px 2px 0;
  background: linear-gradient(90deg, var(--w-bg-3), var(--w-cell-hi) 40%, var(--w-bg-3));
  border-radius: 3px 3px 0 0;
  box-shadow: 0 0 0 1px var(--w-cell-br), 0 6px 14px var(--w-drop);
  transition: height .38s cubic-bezier(.2,.9,.25,1.15), box-shadow .3s;
  will-change: height;
}
.skCell[data-v=""] .skTower{ box-shadow: none; }
.skFloor{
  flex: 1 1 0; min-height: 0; border-radius: 1px;
  background:
    repeating-linear-gradient(90deg, var(--w-line) 0 2px, transparent 2px 5px) 0 0 / 100% 100%,
    var(--w-bg-1);
  opacity: .9; transition: background .3s, box-shadow .3s;
}
.skFloor.lit{
  background: repeating-linear-gradient(90deg, var(--w-accent) 0 2px, transparent 2px 5px), var(--w-bg-1);
  box-shadow: 0 0 6px var(--w-glow-soft);
}
.skRoof{ position:absolute; left: -2px; right: -2px; top: -3px; height: 3px; background: var(--w-cell-br); border-radius: 2px; }
.skCell.tallest .skRoof::after{ /* aircraft light on the tallest tower */
  content:""; position:absolute; left: calc(50% - 2px); top: -6px; width: 4px; height: 4px; border-radius: 50%;
  background: var(--w-bad); box-shadow: 0 0 6px var(--w-bad); animation: skBlink 1.6s infinite;
}
@keyframes skBlink{ 0%, 60%{ opacity: 1 } 70%, 100%{ opacity: .15 } }
.skNum{
  position:absolute; z-index: 2; left: 0; right: 0; top: 3px;
  font-family: var(--w-font); font-weight: 900; font-size: calc(var(--cell) * .36); line-height: 1;
  text-align: center; color: var(--w-accent-text); text-shadow: 0 1px 0 var(--w-bg-0), 0 0 calc(12px * var(--w-glow-scale,1)) var(--w-glow-soft);
  pointer-events: none;
}
.skCell.given .skNum{ color: var(--w-ink); }
.skCell.given{ box-shadow: inset 0 0 0 1px var(--w-cell-br), inset 0 -8px 14px var(--w-hole), inset 0 0 0 3px var(--w-bg-0); cursor: default; }
.skCell.given .skLot{ background: none; }
.skCell.line{ background: var(--w-cell-hi); }
.skCell.sel{ box-shadow: inset 0 0 0 2px var(--w-accent), 0 0 calc(16px * var(--w-glow-scale,1)) var(--w-glow); background: var(--w-cell-hi); z-index: 2; }
.skCell.dup .skNum{ color: var(--w-bad-text); }
.skCell.dup .skTower{ box-shadow: 0 0 0 1.5px var(--w-bad), 0 6px 14px var(--w-drop); }
.skCell.peek{ background: var(--w-cell-hi); box-shadow: inset 0 0 0 2px var(--w-accent-hi); }
.skCell.hinted .skTower{ animation: skHint .9s ease; }
@keyframes skHint{ 0%{ filter: brightness(2) } 100%{ filter: none } }
.skCard.won .skCell{ cursor: default; }
.skCard.won .skNum{ opacity: .0; transition: opacity .8s; }
.skCard.won .skTower{ box-shadow: 0 0 0 1px var(--w-cell-br), 0 0 18px var(--w-glow-soft); }

/* ---------- keypad ---------- */
.skPad{ display:flex; gap: 8px; justify-content:center; flex-wrap: wrap; margin: 4px 0 10px; }
.skKey{
  position: relative; display:flex; align-items:flex-end; justify-content:center; gap: 0;
  width: 52px; height: 56px; padding: 0 0 6px; border-radius: 12px; border: 0; cursor: pointer;
  font-family: var(--w-font); font-weight: 900; font-size: 20px; color: var(--w-ink);
  background: var(--w-cell); box-shadow: inset 0 1px 0 var(--w-edge-hi), inset 0 0 0 1px var(--w-cell-br), 0 4px 10px var(--w-drop);
  overflow: hidden; transition: transform .14s, filter .2s, box-shadow .2s;
}
.skKey:hover:not([disabled]){ filter: brightness(1.1); transform: translateY(-2px); }
.skKey:active:not([disabled]){ transform: scale(.95); }
.skKey[disabled]{ opacity: .45; cursor: default; }
.skKeyBar{ position:absolute; left: 30%; right: 30%; bottom: 0; height: calc(var(--h) * 62%); background: linear-gradient(180deg, var(--w-accent-hi), var(--w-accent)); opacity: .28; border-radius: 3px 3px 0 0; }
.skKey > span:last-child{ position: relative; }
.skKey.erase{ font-size: 18px; }

.skActions{ display:flex; gap: 8px; justify-content:center; flex-wrap: wrap; margin-bottom: 8px; }
.skMiniRow{ display:flex; justify-content:space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; }
.skMiniRow .mono{ font-family: var(--w-font); font-weight: 700; letter-spacing: .04em; }

/* help / share dialogs share the site's dialog scaffold */
.skHelpBox{ margin: 10px 0; padding: 10px 12px; border-radius: 12px; background: color-mix(in srgb, var(--card) 70%, var(--bg)); border: 1px solid var(--line); }
.skHelpKicker{ font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.skHelpList{ margin: 0; padding-left: 18px; }
.skHelpList li{ margin: 4px 0; }
.skHelpActions, .skShareActions{ display:flex; gap: 8px; justify-content:flex-end; margin-top: 12px; }
.skDemo{ display:grid; grid-template-columns: 24px repeat(4, 34px) 24px; gap: 4px; align-items: end; margin: 8px 0 2px; }
.skDemo b{ display:block; text-align:center; font-family: var(--w-font); font-weight: 900; color: var(--gold, #d9a441); font-size: 16px; align-self: center; }
.skDemo i{ display:block; height: calc(var(--h) * 44px); background: linear-gradient(180deg, var(--muted), var(--text)); border-radius: 3px 3px 0 0; opacity: .8; }
.skDemo i.hid{ opacity: .3; }

@media (max-width: 520px){
  /* page gutters + card padding + two 26px rails + gaps ≈ 160px */
  .skWrap{ --gap: 4px; --cell: clamp(34px, calc((100vw - 160px) / var(--n, 5)), 64px); }
  .skRail.top .skClue, .skRail.bottom .skClue{ height: 26px; font-size: 16px; }
  .skRail.left .skClue, .skRail.right .skClue{ width: 26px; font-size: 16px; }
  .skKey{ width: 42px; height: 48px; font-size: 18px; }
  .skPad{ gap: 6px; }
  .skTimeVal{ font-size: 22px; }
}
@media (prefers-reduced-motion: reduce){
  .skTower{ transition: none; }
  .skCell.tallest .skRoof::after{ animation: none; }
}

/* no roof on an empty lot */
.skCell[data-v=""] .skRoof{ display: none; }