:root {
  --bg1: #0d6b38;
  --bg2: #0a4e2b;
  --panel: rgba(255,255,255,0.10);
  --panel-border: rgba(255,255,255,0.16);
  --ink: #f5f7fb;
  --muted: rgba(255,255,255,0.78);
  --card-width: 112px;
  --card-height: 156px;
  --pile-gap: 8px;
  --overlap-down-percent: 92;
  --overlap-up-percent: 82;
  --overlap-down: calc(var(--card-height) * (100 - var(--overlap-down-percent)) / 100);
  --overlap-up: calc(var(--card-height) * (100 - var(--overlap-up-percent)) / 100);
  --shadow: rgba(0,0,0,0.28);
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body {
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.08), transparent 25%),
    radial-gradient(circle at bottom right, rgba(255,255,255,0.06), transparent 28%),
    linear-gradient(180deg, var(--bg1) 0%, var(--bg2) 100%);
  color: var(--ink);
  font-family: "Segoe UI", Arial, sans-serif;
}

.page-wrap {
  max-width: 1600px;
  margin: 0 auto;
  padding: 14px 12px 28px;
}

.shell {
  border-radius: 24px;
  background: rgba(0,0,0,0.12);
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: 0 20px 45px rgba(0,0,0,0.18);
  padding: 14px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(420px, 1fr) minmax(330px, 390px) minmax(250px, 290px);
  gap: 12px;
  align-items: stretch;
  margin-bottom: 14px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 12px 14px;
  backdrop-filter: blur(5px);
}

.titlebox { min-width: 0; }
.controlbox { min-width: 0; }
.statusbox { min-width: 250px; justify-self: end; width: 100%; }
.board {
  padding: 14px 12px 18px;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto;
}

.app-title {
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  font-weight: 700;
  margin: 0 0 6px 0;
}
.app-title span { white-space: nowrap; }
.subtitle { margin: 0; color: var(--ink); line-height: 1.35; }
.rules-text { color: var(--muted); font-size: 0.92rem; line-height: 1.35; margin: 10px 0 0; }
.site-link { color: var(--ink); font-weight: 700; margin: 10px 0 0; }
.site-link a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.site-link a:hover,
.site-link a:focus {
  text-decoration-thickness: 2px;
}

.help-text { color: var(--muted); font-size: 0.92rem; line-height: 1.35; margin: 10px 0 0; }

.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  align-items: end;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 600;
}

button,
select {
  width: 100%;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.14);
  color: white;
  padding: 10px 14px;
  font: inherit;
}

option { color: black; }
button:hover,
select:hover {
  background: rgba(255,255,255,0.22);
  cursor: pointer;
}

.status-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(70px, auto));
  gap: 10px;
  margin-bottom: 8px;
}
.metric {
  background: rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 8px 10px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.metric .label { font-size: 0.78rem; color: var(--muted); }
.metric .value { font-size: 1.15rem; font-weight: 700; }
.message-line { min-height: 24px; font-size: 0.95rem; }

.board-top {
  display: grid;
  grid-template-columns: repeat(7, var(--card-width));
  gap: var(--pile-gap);
  align-items: start;
  justify-content: center;
  margin-bottom: 12px;
}
.board-spacer { grid-column: 5; min-height: 1px; }
.foundations {
  grid-column: 1 / span 4;
  display: grid;
  grid-template-columns: repeat(4, var(--card-width));
  gap: var(--pile-gap);
  justify-content: start;
}
.stock-waste {
  grid-column: 6 / span 2;
  display: grid;
  grid-template-columns: repeat(2, var(--card-width));
  gap: var(--pile-gap);
  align-items: flex-start;
  justify-content: start;
}

.tableau-row {
  display: grid;
  grid-template-columns: repeat(7, var(--card-width));
  gap: var(--pile-gap);
  align-items: start;
  justify-content: center;
}

.card,
.card-placeholder,
.foundation-empty,
.tableau-empty,
.recycle,
.stock-stack {
  width: var(--card-width);
  height: var(--card-height);
  border-radius: 10px;
}

.card,
.card-placeholder,
.foundation-empty,
.tableau-empty,
.recycle {
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  transition: transform 0.08s ease, box-shadow 0.08s ease, outline 0.08s ease;
}

.card {
  background: #ffffff;
  border: 1px solid rgba(17,24,39,0.20);
  box-shadow: 0 5px 12px var(--shadow);
}
.card:hover { transform: translateY(-1px); }
.card.red { color: #b42318; }
.card.selected,
.foundation-empty.selected,
.tableau-empty.selected {
  outline: 3px solid #facc15;
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(250, 204, 21, 0.15), 0 6px 16px var(--shadow);
}
.card.clickable { cursor: pointer; }
.card.draggable { cursor: grab; }

.card.back {
  background:
    linear-gradient(135deg, #174ea6, #0b2f6a),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.10) 0 8px, transparent 8px 16px);
}

.card img.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.foundation-empty .foundation-placeholder-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 10px;
  opacity: 0.4;
}

.foundation-empty {
  padding: 0;
}

.tableau-empty .tableau-empty-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 10px;
}

.tableau-empty.has-tableau-empty-image {
  padding: 0;
  background: transparent;
}

.card .fallback {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 8px;
}

.card .corner {
  font-weight: 700;
  line-height: 1.05;
}

.card .center {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.card .bottom {
  align-self: end;
  transform: rotate(180deg);
}

.card-placeholder,
.foundation-empty,
.tableau-empty,
.recycle {
  background: rgba(255,255,255,0.08);
  border: 2px dashed rgba(255,255,255,0.28);
  color: rgba(255,255,255,0.80);
  box-shadow: none;
  font-size: 2rem;
}

.dropzone-active {
  outline: 3px dashed rgba(255,255,255,0.55);
  outline-offset: 2px;
}

.stock-stack {
  position: relative;
  width: calc(var(--card-width) + 20px);
  height: calc(var(--card-height) + 8px);
  cursor: pointer;
}
.stock-shadow,
.stock-top {
  position: absolute;
  top: 0;
  left: 0;
}
.stock-shadow {
  width: var(--card-width);
  height: var(--card-height);
  border-radius: 10px;
  background: rgba(255,255,255,0.95);
  border: 1px solid rgba(17,24,39,0.10);
  box-shadow: 0 5px 12px var(--shadow);
}
.stock-shadow.offset-1 { left: 6px; top: 2px; }
.stock-shadow.offset-2 { left: 12px; top: 4px; }
.stock-top { left: 18px; top: 0; }

.waste-fan {
  position: relative;
  height: var(--card-height);
  min-width: var(--card-width);
}
.waste-layer {
  position: absolute;
  top: 0;
}
.waste-layer.under-layer {
  pointer-events: none;
  opacity: 0.96;
}
.waste-layer.top-layer { z-index: 4; }

.tableau-col {
  min-height: calc(var(--card-height) + 180px);
  position: relative;
  width: var(--card-width);
  justify-self: center;
}
.tableau-card-wrap {
  position: relative;
  width: var(--card-width);
}
.tableau-card-wrap.first-card { margin-top: 0; }
.tableau-card-wrap.face-down-card { margin-top: calc(-1 * (var(--card-height) - var(--overlap-down))); }
.tableau-card-wrap.face-up-card { margin-top: calc(-1 * (var(--card-height) - var(--overlap-up))); }
.tableau-card-wrap .card { position: relative; z-index: 1; }

@media (max-width: 1180px) {
  .topbar {
    grid-template-columns: 1fr 1fr;
  }
  .titlebox { grid-column: 1 / -1; }
  .statusbox { justify-self: stretch; }
}

@media (max-width: 760px) {
  .topbar {
    grid-template-columns: 1fr;
  }
  .statusbox { min-width: 0; }
}

@media (max-width: 980px) {
  :root {
    --card-width: 92px;
    --card-height: 128px;
  }

  .board { width: 100%; overflow-x: auto; }
  .board-top {
    grid-template-columns: repeat(7, var(--card-width));
    min-width: calc(7 * var(--card-width) + 6 * var(--pile-gap));
  }
  .foundations { justify-content: start; }
  .stock-waste { justify-content: start; }
  .tableau-row {
    grid-template-columns: repeat(7, var(--card-width));
    min-width: calc(7 * var(--card-width) + 6 * var(--pile-gap));
    justify-content: center;
    padding-bottom: 6px;
  }
}


input[type="range"] {
  width: 100%;
  padding: 0;
  background: transparent;
}
.range-hint {
  font-size: 0.88rem;
  color: var(--muted);
  font-weight: 500;
}
.stock-png {
  position: absolute;
  inset: 0;
  width: var(--card-width);
  height: var(--card-height);
  object-fit: cover;
  border-radius: 10px;
  display: block;
  z-index: 2;
}
.stock-top.has-stock-image {
  background: transparent;
}
.stock-top.has-stock-image .fallback { display: none; }


.stock-stack.single-image {
  width: var(--card-width);
  height: var(--card-height);
}
.stock-top-single {
  left: 0;
  top: 0;
}


.stock-empty-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}

.stock-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.stock-label {
  width: var(--card-width);
  text-align: center;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.88);
  text-shadow: 0 1px 2px rgba(0,0,0,0.35);
  pointer-events: none;
}

.stock-empty-symbol {
  position: relative;
  z-index: 2;
  color: rgba(255,255,255,0.75);
  font-size: 2rem;
  text-shadow: 0 1px 3px rgba(0,0,0,0.45);
}


/* Fondation/as white background fix */
.foundation-empty {
  background: #ffffff;
  border: 1px solid rgba(17,24,39,0.20);
  box-shadow: 0 5px 12px var(--shadow);
}

.foundation-empty .foundation-placeholder-image {
  opacity: 0.4;
  background: transparent;
}