/* Shared across all solitaire games */
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; user-select: none; }
html, body { overscroll-behavior: none; }
body {
  background: radial-gradient(ellipse at top, #0d3b2a 0%, #06231a 60%, #041712 100%);
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: #fff;
  padding-bottom: 24px;
}

header.sol-header {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding: 12px 16px; background: linear-gradient(180deg, rgba(0,0,0,0.35), transparent);
}
header.sol-header .title { display: flex; align-items: center; gap: 8px; }
header.sol-header h1 { font-size: clamp(1.1rem, 3vw, 1.6rem); font-weight: 800; letter-spacing: 0.5px; }
header.sol-header .back-link { color: #9fd8bd; font-size: 0.78rem; text-decoration: none; }
header.sol-header .back-link:hover { color: #fff; }
header.sol-header .hdr-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.stat-pill {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); border-radius: 20px;
  padding: 5px 12px; font-size: 0.78rem; color: #d4f5e5; white-space: nowrap;
}
.stat-pill strong { color: #ffd966; }

button.sol-btn {
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.25); color: #fff;
  padding: 7px 14px; border-radius: 8px; font-family: inherit; font-size: 0.78rem; font-weight: 700;
  cursor: pointer;
}
button.sol-btn:hover { background: rgba(255,255,255,0.18); }
button.sol-btn.primary { background: linear-gradient(180deg, #ffd966, #e0a800); color: #3a2a00; border-color: transparent; }
button.sol-btn.primary:hover { filter: brightness(1.08); }
button.sol-btn:disabled { opacity: 0.4; cursor: default; }

.board { max-width: 980px; margin: 0 auto; padding: 10px 12px 30px; }

/* ── CARDS ── */
:root {
  --card-w: clamp(42px, 9vw, 76px);
  --card-h: calc(var(--card-w) * 1.42);
  --card-overlap: calc(var(--card-w) * 0.32);
  --card-overlap-face: calc(var(--card-w) * 0.42);
}

.card {
  width: var(--card-w); height: var(--card-h);
  border-radius: calc(var(--card-w) * 0.11);
  background: #f8f5ec;
  border: 1px solid rgba(0,0,0,0.25);
  box-shadow: 0 2px 5px rgba(0,0,0,0.35);
  position: relative;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: calc(var(--card-w)*0.07) calc(var(--card-w)*0.09);
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.card.red { color: #c81e3a; }
.card.black { color: #1a1a1a; }
.card .rank { font-size: calc(var(--card-w) * 0.28); line-height: 1; pointer-events: none; }
.card .suit { font-size: calc(var(--card-w) * 0.3); line-height: 1; align-self: flex-start; pointer-events: none; }
.card .rank-b, .card .suit-b { transform: rotate(180deg); align-self: flex-end; }
.card .mid-suit {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  font-size: calc(var(--card-w) * 0.42); opacity: 0.85; pointer-events: none;
}

.card.back {
  background: repeating-linear-gradient(45deg, #1a4a7a 0 6px, #123a63 6px 12px);
  border: 1px solid rgba(255,255,255,0.15);
  cursor: default;
}
.card.back::after {
  content: ''; position: absolute; inset: 4px; border: 1.5px solid rgba(255,255,255,0.25);
  border-radius: calc(var(--card-w) * 0.08);
}

.card.selected { transform: translateY(-8px); box-shadow: 0 0 0 3px #ffd966, 0 6px 14px rgba(0,0,0,0.5); }
.card.dim { opacity: 0.55; }
.card.placeholder {
  background: rgba(255,255,255,0.05); border: 1.5px dashed rgba(255,255,255,0.25);
  box-shadow: none; cursor: default;
}
.card.shake { animation: cardShake 0.3s ease; }
@keyframes cardShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}
.card.just-moved { animation: cardPop 0.25s ease; }
@keyframes cardPop {
  0% { transform: scale(1.15); }
  100% { transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .card.shake, .card.just-moved { animation: none; }
}

/* ── WIN / MESSAGE OVERLAY ── */
.sol-overlay {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.8); z-index: 400;
  align-items: center; justify-content: center; padding: 20px;
}
.sol-overlay.show { display: flex; }
.sol-modal {
  background: linear-gradient(160deg, #103d2c, #06231a); border: 2px solid #ffd966; border-radius: 16px;
  padding: 28px 32px; text-align: center; max-width: 380px; width: 100%;
  box-shadow: 0 0 50px rgba(255,217,102,0.3);
}
.sol-modal h2 { font-size: 1.5rem; color: #ffd966; margin-bottom: 10px; }
.sol-modal p { color: #cde9db; font-size: 0.9rem; margin-bottom: 18px; line-height: 1.5; }
.sol-modal .big-stat { font-size: 2.2rem; font-weight: 900; color: #fff; margin: 6px 0; }
.sol-modal .btn-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 6px; }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: rgba(20,20,20,0.92); color: #fff; padding: 10px 18px; border-radius: 20px;
  font-size: 0.82rem; z-index: 500; opacity: 0; transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none; white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }