/* EduFabTech — game-solitaire.css (Klondike solitaire) — every class prefixed gm-solitaire- */
.gm-solitaire-box {
  --gm-solitaire-w: 46px;
  --gm-solitaire-h: 64px;
  --gm-solitaire-gap: 6px;
  --gm-solitaire-r: calc(var(--gm-solitaire-w) * .11);
  position: relative;
  width: min(560px, 100%);
  margin: 0 auto;
  padding: 10px;
  box-sizing: border-box;
  border: 1px solid var(--border, #1f2733);
  border-radius: var(--radius, 12px);
  background:
    radial-gradient(120% 70% at 50% 0%, rgba(67, 212, 155, .10), transparent 60%),
    linear-gradient(180deg, #131822, #10141c);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .45), inset 0 1px 0 rgba(255, 255, 255, .04);
  font-family: var(--sans, system-ui, sans-serif);
  color: var(--text, #edf0f5);
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* ── HUD ── */
.gm-solitaire-hud {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  padding: 8px 12px;
  border: 1px solid var(--border, #1f2733);
  border-radius: var(--radius-sm, 8px);
  background: linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05), 0 4px 12px rgba(0, 0, 0, .3);
}
.gm-solitaire-time,
.gm-solitaire-redeals {
  font-family: var(--mono, ui-monospace, monospace);
  font-size: .95rem;
  color: var(--muted, #6f7c8d);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.gm-solitaire-redeals { text-align: right; }
.gm-solitaire-prog {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--brand, #43d49b);
  text-shadow: 0 0 14px rgba(67, 212, 155, .45);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* ── the felt ── */
.gm-solitaire-table {
  position: relative;
  padding: var(--gm-solitaire-gap);
  border-radius: 14px;
  background:
    radial-gradient(90% 60% at 50% 0%, #1d6a44, transparent 70%),
    linear-gradient(180deg, #145338 0%, #0f3d2a 55%, #0a2a1c 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .06), inset 0 10px 30px rgba(0, 0, 0, .35), inset 0 -8px 24px rgba(0, 0, 0, .35);
  touch-action: none;
  outline: none;
}
.gm-solitaire-top,
.gm-solitaire-tableau {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: var(--gm-solitaire-gap);
}
.gm-solitaire-top { margin-bottom: calc(var(--gm-solitaire-gap) * 2); }
.gm-solitaire-top > * { position: relative; height: var(--gm-solitaire-h); min-width: 0; }
.gm-solitaire-gap { pointer-events: none; }
.gm-solitaire-col {
  position: relative;
  min-width: 0;
  border-radius: var(--gm-solitaire-r);
  transition: box-shadow .15s ease;
}

/* ── slots ── */
.gm-solitaire-slot {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid rgba(255, 220, 120, .32);
  border-radius: var(--gm-solitaire-r);
  background: rgba(0, 0, 0, .14);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, .35);
}
.gm-solitaire-slotmark {
  font-size: calc(var(--gm-solitaire-w) * .42);
  font-weight: 700;
  color: rgba(255, 220, 120, .45);
  line-height: 1;
}
.gm-solitaire-stock {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  color: inherit;
  font: inherit;
}
.gm-solitaire-stock:focus-visible { outline: 3px solid var(--brand, #43d49b); outline-offset: 2px; border-radius: var(--gm-solitaire-r); }
.gm-solitaire-hasstock:active .gm-solitaire-card { transform: translateY(1px) scale(.98); }

/* ── cards ── */
.gm-solitaire-card {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: var(--gm-solitaire-h);
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border: 1px solid #b89a4a;
  border-radius: var(--gm-solitaire-r);
  background: linear-gradient(165deg, #fffdf6 0%, #f6f1e2 60%, #e9e2cc 100%);
  box-shadow: 0 2px 4px rgba(0, 0, 0, .45), 0 0 0 1px rgba(0, 0, 0, .25), inset 0 1px 0 rgba(255, 255, 255, .9);
  color: #17181f;
  font-family: var(--sans, system-ui, sans-serif);
  line-height: 1;
  cursor: grab;
  overflow: hidden;
  transform-origin: 50% 50%;
  transition: transform .12s ease, box-shadow .12s ease;
}
.gm-solitaire-card:focus-visible { outline: 3px solid var(--brand, #43d49b); outline-offset: 1px; z-index: 60 !important; }
.gm-solitaire-card:active { cursor: grabbing; }
.gm-solitaire-red { color: #d9202a; }
.gm-solitaire-black { color: #17181f; }
.gm-solitaire-corner {
  position: absolute;
  top: calc(var(--gm-solitaire-h) * .06);
  left: calc(var(--gm-solitaire-w) * .09);
  right: calc(var(--gm-solitaire-w) * .07);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: calc(var(--gm-solitaire-w) * .36);
  font-weight: 800;
  letter-spacing: -.02em;
}
.gm-solitaire-corner b { font-weight: 800; }
.gm-solitaire-corner i { font-style: normal; font-size: calc(var(--gm-solitaire-w) * .30); }
.gm-solitaire-pip {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(var(--gm-solitaire-h) * .40);
  text-align: center;
  font-size: calc(var(--gm-solitaire-w) * .56);
  opacity: .9;
}
.gm-solitaire-down {
  cursor: default;
  border-color: #c9a227;
  background:
    radial-gradient(60% 40% at 50% 50%, rgba(232, 196, 90, .28), transparent 70%),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, .07) 0 3px, transparent 3px 9px),
    repeating-linear-gradient(-45deg, rgba(255, 255, 255, .07) 0 3px, transparent 3px 9px),
    linear-gradient(160deg, #2e52a8 0%, #1d3a7c 55%, #142a5e 100%);
  box-shadow: 0 2px 4px rgba(0, 0, 0, .5), inset 0 0 0 2px rgba(232, 196, 90, .55), inset 0 0 0 3px rgba(0, 0, 0, .25);
}
.gm-solitaire-down::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: calc(var(--gm-solitaire-w) * .28);
  height: calc(var(--gm-solitaire-w) * .28);
  transform: translate(-50%, -50%) rotate(45deg);
  border: 2px solid rgba(232, 196, 90, .85);
  border-radius: 3px;
}
.gm-solitaire-static { pointer-events: none; }
.gm-solitaire-stock .gm-solitaire-static { pointer-events: none; cursor: pointer; }
.gm-solitaire-waste .gm-solitaire-under { transform: translateX(calc(var(--gm-solitaire-w) * -.08)) rotate(-3deg); opacity: .85; }
.gm-solitaire-waste .gm-solitaire-card:not(.gm-solitaire-under) { z-index: 2; }
.gm-solitaire-found .gm-solitaire-card { cursor: default; }
.gm-solitaire-found.gm-solitaire-full .gm-solitaire-card { box-shadow: 0 0 0 2px var(--brand, #43d49b), 0 0 16px rgba(67, 212, 155, .6); }

/* ── drag ── */
.gm-solitaire-ghost { visibility: hidden; }
.gm-solitaire-ok {
  box-shadow: 0 0 0 2px rgba(67, 212, 155, .95), 0 0 18px rgba(67, 212, 155, .55);
  border-radius: var(--gm-solitaire-r);
}
.gm-solitaire-ok .gm-solitaire-slot { border-color: rgba(67, 212, 155, .9); background: rgba(67, 212, 155, .12); }
.gm-solitaire-draglayer {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;
  pointer-events: none;
  will-change: transform;
}
.gm-solitaire-draglayer .gm-solitaire-card {
  transform: scale(1.06) rotate(1.5deg);
  box-shadow: 0 14px 28px rgba(0, 0, 0, .55), 0 0 0 2px #ffd24a, 0 0 18px rgba(255, 210, 74, .45);
  border-color: #ffd24a;
}

/* ── motion ── */
.gm-solitaire-pop { animation: gm-solitaire-pop .22s ease-out; }
@keyframes gm-solitaire-pop {
  0% { transform: scale(1.12); box-shadow: 0 10px 22px rgba(0, 0, 0, .55), 0 0 0 2px #ffd24a; }
  100% { transform: scale(1); }
}
.gm-solitaire-flip { animation: gm-solitaire-flip .28s ease-out; backface-visibility: hidden; }
@keyframes gm-solitaire-flip {
  0% { transform: perspective(600px) rotateY(90deg); }
  100% { transform: perspective(600px) rotateY(0); }
}
.gm-solitaire-shake { animation: gm-solitaire-shake .26s ease-in-out; box-shadow: 0 0 0 2px var(--err, #ef6a62), 0 0 14px rgba(239, 106, 98, .6); }
@keyframes gm-solitaire-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  50% { transform: translateX(5px); }
  75% { transform: translateX(-3px); }
}
.gm-solitaire-glow { animation: gm-solitaire-glow .3s ease-out; }
@keyframes gm-solitaire-glow {
  0% { box-shadow: 0 0 0 4px rgba(67, 212, 155, .9), 0 0 36px rgba(67, 212, 155, .9); border-radius: var(--gm-solitaire-r); }
  100% { box-shadow: 0 0 0 0 rgba(67, 212, 155, 0); }
}
.gm-solitaire-won .gm-solitaire-table { box-shadow: inset 0 0 0 2px var(--brand, #43d49b), 0 0 30px rgba(67, 212, 155, .5); }
.gm-solitaire-over .gm-solitaire-table { filter: saturate(.6); }
.gm-solitaire-reduced *,
.gm-solitaire-reduced *::after { animation: none !important; transition: none !important; }

/* ── tools ── */
.gm-solitaire-tools {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}
.gm-solitaire-btn {
  min-height: 48px;
  margin: 0;
  padding: 0 10px;
  border: 1px solid var(--border-2, #2b3542);
  border-radius: var(--radius-sm, 8px);
  background: linear-gradient(180deg, #1b2230, #131822);
  box-shadow: 0 3px 0 #0a0d13, 0 6px 14px rgba(0, 0, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .06);
  color: var(--text, #edf0f5);
  font: 700 .95rem var(--sans, system-ui, sans-serif);
  cursor: pointer;
  transition: transform .1s ease, box-shadow .1s ease, background .15s ease;
}
.gm-solitaire-btn:hover { background: linear-gradient(180deg, #222b3b, #171d28); }
.gm-solitaire-btn:active { transform: translateY(3px); box-shadow: 0 0 0 #0a0d13, 0 2px 6px rgba(0, 0, 0, .35); }
.gm-solitaire-btn:focus-visible { outline: 3px solid var(--brand, #43d49b); outline-offset: 2px; }
.gm-solitaire-btn:disabled { opacity: .45; cursor: default; transform: none; }
.gm-solitaire-finish {
  border-color: rgba(67, 212, 155, .7);
  background: linear-gradient(180deg, #1f6a4c, #175238);
  box-shadow: 0 3px 0 #0b2d1f, 0 0 18px rgba(67, 212, 155, .45), inset 0 1px 0 rgba(255, 255, 255, .12);
}
.gm-solitaire-finish:hover { background: linear-gradient(180deg, #267a58, #1c5e41); }
.gm-solitaire-quit { color: var(--muted, #6f7c8d); }
.gm-solitaire-armed { color: #fff; border-color: var(--err, #ef6a62); background: linear-gradient(180deg, #7a2d2a, #5a1f1d); box-shadow: 0 3px 0 #2d0f0e, 0 0 16px rgba(239, 106, 98, .45); }
.gm-solitaire-note {
  margin: 10px 2px 0;
  font-size: .85rem;
  line-height: 1.4;
  color: var(--muted, #6f7c8d);
  text-align: center;
}

@media (max-width: 400px) {
  .gm-solitaire-box { padding: 6px; --gm-solitaire-gap: 4px; }
  .gm-solitaire-hud { padding: 6px 8px; margin-bottom: 8px; }
  .gm-solitaire-prog { font-size: 1.1rem; }
  .gm-solitaire-time, .gm-solitaire-redeals { font-size: .85rem; }
  .gm-solitaire-btn { font-size: .9rem; padding: 0 6px; }
}