/* ==============================================================
   纸牌接龙 · 游戏专属样式
   选择器统一以 .g-solitaire 前缀限定
   ============================================================== */

.g-solitaire {
  --cw: 46px;
  --ch: 66px;
  gap: 10px;
}

/* ------------------------------ 顶部数据 ------------------------------ */

.g-solitaire .sl-hud {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  flex: none;
}
.g-solitaire .sl-hud-i {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 5px;
  min-height: 32px;
  padding: 5px 4px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
}
.g-solitaire .sl-k { font-size: 10px; color: var(--faint); letter-spacing: 0.04em; }
.g-solitaire .sl-v { font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; }

/* ------------------------------ 牌桌 ------------------------------ */

.g-solitaire .sl-board {
  position: relative;
  flex: 1;
  min-height: 0;
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  overflow: hidden;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(242, 209, 107, 0.07), transparent 60%),
    radial-gradient(90% 70% at 50% 100%, rgba(63, 118, 86, 0.22), transparent 72%),
    linear-gradient(180deg, #11221b, #0a1511 62%, #08110e);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 22px 50px -30px rgba(0, 0, 0, 0.9);
}

/* ------------------------------ 卡牌 ------------------------------ */

.g-solitaire .sl-card {
  position: absolute;
  width: var(--cw);
  height: var(--ch);
  border-radius: calc(var(--cw) * 0.11);
  background: linear-gradient(158deg, #fdfbf4, #f0ead9 70%, #e6dfcb);
  border: 1px solid rgba(12, 18, 24, 0.35);
  box-shadow: 0 2px 5px -1px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.7);
  transition: transform 0.14s ease, box-shadow 0.14s ease;
  will-change: transform;
  backface-visibility: hidden;
}
.g-solitaire .sl-card .sl-corner {
  position: absolute;
  left: 6%;
  top: 3%;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  letter-spacing: -0.02em;
}
.g-solitaire .sl-card .sl-corner b { font-size: calc(var(--cw) * 0.3); font-weight: 800; }
.g-solitaire .sl-card .sl-corner i { font-size: calc(var(--cw) * 0.25); font-style: normal; line-height: 1.15; }
.g-solitaire .sl-card .sl-center {
  position: absolute;
  right: 5%;
  bottom: 0;
  font-size: calc(var(--cw) * 0.58);
  line-height: 1;
  opacity: 0.16;
}
.g-solitaire .sl-card.red { color: #cf3346; }
.g-solitaire .sl-card.black { color: #1d2530; }

/* 牌背 */
.g-solitaire .sl-card.back {
  background: linear-gradient(155deg, #2a3a63, #17203a 58%, #1d2b4d);
  border-color: rgba(242, 209, 107, 0.28);
}
.g-solitaire .sl-card.back .sl-back-pat {
  position: absolute;
  inset: 6%;
  border-radius: calc(var(--cw) * 0.07);
  border: 1px solid rgba(242, 209, 107, 0.3);
  background-image:
    repeating-linear-gradient(45deg, rgba(242, 209, 107, 0.2) 0 1.5px, transparent 1.5px 6px),
    repeating-linear-gradient(-45deg, rgba(242, 209, 107, 0.13) 0 1.5px, transparent 1.5px 6px);
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.35);
}

/* 选中 / 提示 / 拖动目标 */
.g-solitaire .sl-card.sel {
  transform: translateY(-5px);
  box-shadow: 0 0 0 2px var(--accent), 0 10px 18px -8px rgba(0, 0, 0, 0.65);
}
.g-solitaire .sl-card.hint-src,
.g-solitaire .sl-card.hint-dst,
.g-solitaire .sl-slot.hint-dst {
  outline: 2px dashed var(--accent);
  outline-offset: 1px;
  animation: slPulse 0.9s ease-in-out infinite;
}
.g-solitaire .sl-card.dragging {
  transition: none;
  opacity: 0.96;
  box-shadow: 0 14px 24px -10px rgba(0, 0, 0, 0.75), 0 0 0 1.5px var(--accent);
  cursor: grabbing;
}
.g-solitaire .sl-card.drop,
.g-solitaire .sl-slot.drop {
  box-shadow: 0 0 0 2px var(--accent), 0 0 16px color-mix(in srgb, var(--accent) 45%, transparent);
}
.g-solitaire .sl-card { cursor: pointer; }

/* 空位 */
.g-solitaire .sl-slot {
  position: absolute;
  border-radius: calc(var(--cw) * 0.11);
  border: 1.5px dashed rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.028);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: calc(var(--cw) * 0.46);
  color: rgba(255, 255, 255, 0.13);
  line-height: 1;
  pointer-events: auto;
}
.g-solitaire .sl-slot.found { color: rgba(242, 209, 107, 0.26); }
.g-solitaire .sl-slot.col { color: rgba(255, 255, 255, 0.13); font-size: calc(var(--cw) * 0.4); }
.g-solitaire .sl-slot.recycle { color: rgba(255, 255, 255, 0.32); font-size: calc(var(--cw) * 0.5); border-style: solid; }

/* 列点击热区 */
.g-solitaire .sl-colhit {
  position: absolute;
  z-index: 1;
  border-radius: calc(var(--cw) * 0.11);
  background: transparent;
  pointer-events: auto;
}

/* 底部小提示 */
.g-solitaire .sl-hintbar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6px;
  z-index: 2;
  text-align: center;
  font-size: 10.5px;
  line-height: 1.3;
  color: rgba(255, 255, 255, 0.24);
  pointer-events: none;
  letter-spacing: 0.02em;
}

/* 牌库剩余数 */
.g-solitaire .sl-count {
  position: absolute;
  z-index: 60;
  min-width: calc(var(--cw) * 0.38);
  height: calc(var(--cw) * 0.32);
  padding: 0 4px;
  border-radius: 999px;
  background: rgba(6, 10, 14, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #e9eef8;
  font-size: calc(var(--cw) * 0.2);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translate(62%, -18%);
  pointer-events: none;
  font-variant-numeric: tabular-nums;
}

/* ------------------------------ 操作 ------------------------------ */

.g-solitaire .sl-ctrl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  flex: none;
}
.g-solitaire .sl-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 46px;
  padding: 0 6px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--dim);
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  transition: transform 0.08s, background 0.15s, border-color 0.15s, color 0.15s;
  touch-action: manipulation;
}
.g-solitaire .sl-btn:active { transform: scale(0.96); background: var(--surface-2); border-color: var(--line-2); }
.g-solitaire .sl-btn-i { display: inline-flex; width: 18px; height: 18px; flex: none; }
.g-solitaire .sl-btn-i svg { width: 18px; height: 18px; }

/* 头部按钮热区 */
.g-solitaire .btn.sm { min-height: 40px; }

/* ------------------------------ 动画 ------------------------------ */

@keyframes slPulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

/* ------------------------------ 适配 ------------------------------ */

@media (max-height: 710px) {
  .g-solitaire { gap: 8px; }
  .g-solitaire .sl-btn { min-height: 42px; }
  .g-solitaire .sl-hud-i { min-height: 28px; }
}

@media (max-width: 365px) {
  .g-solitaire .sl-btn { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .g-solitaire .sl-card { transition: none; }
  .g-solitaire .sl-card.hint-src,
  .g-solitaire .sl-card.hint-dst,
  .g-solitaire .sl-slot.hint-dst { animation: none; }
}