/* Klondike Solitaire - AceLM Easter Egg */
.klondike-page {
  padding: 1.5rem 0 3rem;
}

.klondike-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.klondike-title-area h1 {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.85rem;
  line-height: 1.2;
  margin: 0 0 0.25rem;
  color: var(--ink);
}

.klondike-subtitle {
  font-size: 0.95rem;
  color: var(--ink-2);
  margin: 0;
}

.klondike-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem 0.65rem;
}

.klondike-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.38rem 0.7rem;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid var(--rule-strong);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
  user-select: none;
}

.klondike-btn:hover {
  background: var(--paper-2);
}

.klondike-btn:active {
  transform: translateY(1px);
}

.klondike-btn.primary {
  background: var(--felt);
  border-color: var(--felt);
  color: #fbf8f1;
}

.klondike-btn.primary:hover {
  background: #174737;
}

.klondike-btn.toggle-on {
  background: #1e5a46;
  border-color: #16191d;
  color: #fbf8f1;
}

.klondike-btn.toggle-on:hover {
  background: #174737;
}

.klondike-btn.active-autoplay {
  background: #7a281e;
  border-color: #16191d;
  color: #fbf8f1;
  animation: klondike-autoplay-pulse 1.2s infinite;
}

@keyframes klondike-autoplay-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(122, 40, 30, 0.4); }
  50% { box-shadow: 0 0 0 5px rgba(122, 40, 30, 0); }
}

.klondike-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.klondike-btn.pulse {
  animation: klondike-pulse 1.4s infinite;
}

@keyframes klondike-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(30, 90, 70, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(30, 90, 70, 0); }
}

.klondike-hud {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: 0.35rem 0.75rem;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
}

.klondike-hud strong {
  color: var(--ink);
  font-weight: 600;
  margin-left: 0.25rem;
}

/* Solitaire Felt Board */
.klondike-board {
  position: relative;
  background: #1e5a46;
  border: 3px solid #16191d;
  border-radius: 8px;
  box-shadow: inset 0 3px 12px rgba(0, 0, 0, 0.35), 0 8px 24px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  min-height: 640px;
  overflow: hidden;
  user-select: none;
  touch-action: none;
  --card-w: 78px;
  --card-h: 109px;
  --col-gap: 16px;
}

@media (max-width: 760px) {
  .klondike-board {
    padding: 0.75rem;
    --card-w: min(56px, 12vw);
    --card-h: calc(var(--card-w) * 1.4);
    --col-gap: min(8px, 1.5vw);
  }
}

.klondike-top-row {
  display: flex;
  gap: var(--col-gap);
  margin-bottom: 2rem;
}

.klondike-stock-waste {
  display: flex;
  gap: var(--col-gap);
}

.klondike-spacer {
  flex: 1;
}

.klondike-foundations {
  display: flex;
  gap: var(--col-gap);
}

.klondike-tableau {
  display: flex;
  gap: var(--col-gap);
  min-height: 440px;
}

/* Slot outlines (empty foundations, stock, waste, empty tableau columns) */
.klondike-slot {
  position: relative;
  width: var(--card-w);
  height: var(--card-h);
  border-radius: 6px;
  border: 2px dashed rgba(251, 248, 241, 0.28);
  background: rgba(0, 0, 0, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

.klondike-slot.waste-slot {
  min-width: calc(var(--card-w) + 38px);
  border: 2px dashed rgba(251, 248, 241, 0.16);
}

.klondike-slot.highlight {
  border-color: #fbf8f1;
  background: rgba(251, 248, 241, 0.18);
}

.klondike-slot-glyph {
  font-size: 1.6rem;
  color: rgba(251, 248, 241, 0.25);
  pointer-events: none;
  line-height: 1;
}

.klondike-stock-counter {
  position: absolute;
  bottom: -1.25rem;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.72rem;
  font-weight: 600;
  color: rgba(251, 248, 241, 0.7);
  letter-spacing: 0.04em;
}

/* Tableau Column */
.klondike-col {
  position: relative;
  width: var(--card-w);
  flex: 1;
  min-height: 380px;
}

.klondike-col-slot {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--card-h);
  border-radius: 6px;
  border: 2px dashed rgba(251, 248, 241, 0.2);
  background: rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.klondike-col-slot::after {
  content: "K";
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.4rem;
  color: rgba(251, 248, 241, 0.2);
  font-weight: 600;
}

/* Card representation */
.k-card {
  position: absolute;
  width: var(--card-w);
  height: var(--card-h);
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
  cursor: pointer;
  transform-origin: center center;
  user-select: none;
  -webkit-user-drag: none;
}

.k-card img {
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}

.k-card.face-down {
  cursor: default;
}

.k-card.face-up:hover {
  box-shadow: 0 5px 12px rgba(0, 0, 0, 0.45);
}

.k-card.dragging {
  cursor: grabbing !important;
  z-index: 1000 !important;
  transform: scale(1.04);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.6) !important;
  transition: none !important;
  pointer-events: none;
}

/* Wiggle animation for Suggest button */
@keyframes k-wiggle {
  0%, 100% { transform: rotate(0deg); }
  20% { transform: rotate(-6deg) scale(1.04); }
  40% { transform: rotate(6deg) scale(1.04); }
  60% { transform: rotate(-4deg) scale(1.04); }
  80% { transform: rotate(4deg) scale(1.04); }
}

.k-card.k-wiggle {
  animation: k-wiggle 0.7s ease-in-out 2 !important;
  box-shadow: 0 0 0 3px #fbf8f1, 0 8px 24px rgba(0, 0, 0, 0.5) !important;
  z-index: 600 !important;
}

.k-card.shake {
  animation: k-shake 0.3s ease;
}

@keyframes k-shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}

/* Toast message */
.klondike-toast {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(22, 25, 29, 0.94);
  color: #fbf8f1;
  border: 1px solid rgba(251, 248, 241, 0.2);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  opacity: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
  pointer-events: none;
  z-index: 1200;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.klondike-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Victory Overlay */
.klondike-victory-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(22, 25, 29, 0.82);
  backdrop-filter: blur(3px);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  text-align: center;
  color: #fbf8f1;
  padding: 1.5rem;
}

.klondike-victory-overlay.show {
  display: flex;
}

.klondike-victory-box {
  background: #fbf8f1;
  color: #16191d;
  border: 2px solid #16191d;
  border-radius: 8px;
  padding: 2.25rem 2.5rem;
  max-width: 480px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.klondike-victory-box h2 {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 2.15rem;
  margin: 0 0 0.5rem;
  color: var(--felt);
}

.klondike-victory-tagline {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink);
  margin: 0.5rem 0 1rem;
}

.klondike-victory-stats {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin: 1.25rem 0 1.75rem;
  font-size: 0.95rem;
}

.klondike-victory-stats div span {
  display: block;
  font-size: 0.78rem;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.klondike-victory-stats div strong {
  font-size: 1.25rem;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.klondike-victory-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Canvas for Victory Bouncing Animation */
.klondike-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1500;
}