/* play.css — Sneaky Sudoku play view. Namespaced .ssud-* for portability. */
.ssud {
  --ssud-accent: #3a5fd6;
  --ssud-ink: #2c2a3a;
  --ssud-muted: #7b768c;
  --ssud-panel: #fffdf8;
  --ssud-cell: #fffaf0;
  --ssud-grid: #cdbfa4;
  --ssud-ring: #d9ccb4;
  --ssud-font: "Comic Sans MS", "Baloo 2", "Segoe UI Rounded", "Trebuchet MS", system-ui, sans-serif;
  font-family: var(--ssud-font); color: var(--ssud-ink);
}
.ssud *, .ssud *::before, .ssud *::after { box-sizing: border-box; }

.ssud-boardcard { background: var(--ssud-panel); border-radius: 18px; padding: 10px; border: 3px solid #fff;
  box-shadow: 0 10px 30px rgba(60, 42, 10, .12), 0 2px 0 #e9ddc4; }
.ssud-board { display: block; touch-action: none; user-select: none; }

/* cells + highlights */
.ssud-cell { fill: var(--ssud-cell); }
.ssud-cell.peer { fill: #eef1fb; }
.ssud-cell.samev { fill: #d7def7; }
.ssud-cell.sel { fill: #b9c6f2; }
.ssud-line { stroke: var(--ssud-grid); stroke-width: 1.2; }
.ssud-line.thick { stroke: #4a4636; stroke-width: 3; }
.ssud-val { font-family: var(--ssud-font); text-anchor: middle; dominant-baseline: central; fill: var(--ssud-accent); font-weight: 700; pointer-events: none; }
.ssud-val.given { fill: var(--ssud-ink); font-weight: 800; }
.ssud-val.bad { fill: #e0455f; }
.ssud-note { font-family: var(--ssud-font); text-anchor: middle; dominant-baseline: central; fill: #9a93a8; pointer-events: none; }

/* side controls */
.ssud-topbar { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.ssud-diff { display: flex; gap: 5px; flex-wrap: wrap; }
.ssud-tab { font-family: var(--ssud-font); font-weight: 800; font-size: 12.5px; cursor: pointer; border: 2px solid var(--ssud-ring);
  background: #fff; color: var(--ssud-ink); padding: 5px 10px; border-radius: 999px; }
.ssud-tab.on { background: var(--ssud-accent); border-color: var(--ssud-accent); color: #fff; }
.ssud-timer { margin-left: auto; font-weight: 800; font-size: 18px; color: var(--ssud-ink);
  background: #fff; border: 2px solid var(--ssud-ring); border-radius: 10px; padding: 3px 12px; min-width: 62px; text-align: center; }

.ssud-flag { font-weight: 800; font-size: 13px; text-align: center; padding: 6px 10px; border-radius: 10px; margin-bottom: 10px;
  background: #f0eef4; color: var(--ssud-muted); border: 2px solid var(--ssud-ring); }
.ssud-flag.is-ranked { background: #fff6df; color: #a8710a; border-color: #f4c65a; }

.ssud-pad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin-bottom: 10px; }
.ssud-num { font-family: var(--ssud-font); font-weight: 800; font-size: 24px; cursor: pointer; border: 2px solid var(--ssud-ring);
  background: #fff; color: var(--ssud-accent); padding: 10px 0; border-radius: 12px; box-shadow: 0 3px 0 #e2d8c2; transition: transform .05s; }
.ssud-num:active { transform: translateY(2px); box-shadow: 0 1px 0 #e2d8c2; }
.ssud-num.done { opacity: .38; }

.ssud-tools, .ssud-actions { display: flex; gap: 7px; margin-bottom: 8px; flex-wrap: wrap; }
.ssud-btn { font-family: var(--ssud-font); font-weight: 800; font-size: 14px; cursor: pointer; border: 2px solid var(--ssud-ring);
  background: #fff; color: var(--ssud-ink); padding: 8px 12px; border-radius: 11px; box-shadow: 0 3px 0 #e2d8c2; transition: transform .05s; flex: 1 1 auto; }
.ssud-btn:active { transform: translateY(2px); box-shadow: 0 1px 0 #e2d8c2; }
.ssud-btn.on { background: var(--ssud-accent); border-color: var(--ssud-accent); color: #fff; box-shadow: 0 3px 0 #2c48a8; }
.ssud-btn.primary { background: linear-gradient(180deg, var(--ssud-accent), #2c48a8); color: #fff; border: none; box-shadow: 0 4px 0 #24397f; }

/* win overlay */
.ssud-overlay { position: fixed; inset: 0; background: rgba(44, 42, 58, .55); display: none; align-items: center; justify-content: center; z-index: 40; backdrop-filter: blur(2px); }
.ssud-overlay.show { display: flex; }
.ssud-modal { background: var(--ssud-panel); border-radius: 22px; padding: 26px 30px; text-align: center; border: 4px solid #fff;
  box-shadow: 0 20px 50px rgba(0, 0, 0, .3); max-width: 340px; }
.ssud-modal h3 { margin: .1em 0 .3em; font-size: 24px; }
.ssud-modal p { color: var(--ssud-muted); margin: 0 0 16px; }
.ssud-conf { position: fixed; top: -24px; font-size: 22px; z-index: 39; pointer-events: none; animation: ssud-fall linear forwards; }
@keyframes ssud-fall { to { transform: translateY(110vh) rotate(360deg); opacity: .9; } }

@media print {
  .ssud-side .ssud-pad, .ssud-tools, .ssud-actions, .ssud-flag, .ssud-timer, .ssud-overlay, .ssud-conf { display: none !important; }
  .ssud-boardcard { box-shadow: none; border: 1px solid #ccc; }
}