/* Checkers UI. Only garden.css tokens; layout + a few checkers-only states. */

.ck-main { padding-block: 12px 28px; }
.ck-screen { animation: gg-rise var(--gg-dur-lg) var(--gg-ease-out) both; }
.ck-screen[hidden] { display: none; }
.ck-help-btn { font-family: var(--gg-font-display); font-weight: 800; font-size: var(--gg-text-lg); }

/* little piece used as a colour key (score panel, side picker) */
.gg-piece.ck-swatch { width: 18px; height: 18px; flex: none; border-width: 2px; box-shadow: 0 2px 0 var(--gg-ink); background-size: auto; transition: none; }
.gg-seg button[aria-pressed="true"] .ck-swatch { box-shadow: 0 0 0 2px var(--gg-cream); }
.gg-seg button .ck-swatch { display: inline-grid; vertical-align: -4px; margin-right: 8px; }

/* ---------- start screen ---------- */
.ck-start { display: grid; gap: 28px; padding-top: 8px; }
.ck-start__copy { display: grid; gap: 18px; align-content: start; }
.ck-start__copy h1 { margin-top: -6px; }
.ck-start__copy .gg-lede { margin-top: -6px; }
.ck-field { display: grid; gap: 6px; }
.ck-field__label { font-weight: 700; font-size: var(--gg-text-sm); color: var(--gg-ink-2); }
.ck-field .gg-seg { width: 100%; }
.ck-field .gg-seg button { padding: 0 8px; }
.ck-how { padding: 16px 18px; display: grid; gap: 6px; box-shadow: var(--gg-shadow); }
.ck-how ul { margin: 0; padding-left: 20px; display: grid; gap: 4px; font-size: var(--gg-text-sm); line-height: 1.4; color: var(--gg-ink-2); }
.ck-how li::marker { color: var(--gg-green-600); }
.ck-start__art { display: none; }

/* ---------- game screen (phone first) ----------
   Phone: compact score strip on top, the board centred in the free space, prompt + controls in the thumb zone. */
.ck-game {
  display: grid; gap: 14px; align-content: center;
  min-height: calc(100svh - 64px - 12px - 16px - env(safe-area-inset-bottom));
}
.ck-side { display: contents; }
.ck-score { order: -1; }
.ck-table { order: 0; }
.ck-prompt { order: 1; }
.ck-controls { order: 2; display: flex; align-items: center; gap: 10px; }
.ck-controls__gap { flex: 1; }
.ck-controls [hidden] { display: none; }
.ck-undo { padding-inline: 10px; }
.ck-undo:disabled { opacity: .4; box-shadow: none; text-decoration-color: transparent; }
.ck-score .gg-score__who .ck-swatch { margin-inline: 0; }
.ck-lvl { min-height: 22px; padding: 2px 8px; border-width: 1.5px; letter-spacing: .02em; text-transform: none; color: var(--gg-cream); }

@media (max-width: 899.98px) {
  .ck-main { padding-bottom: calc(16px + env(safe-area-inset-bottom)); }
  /* On a phone the board IS the lawn: no table padding, full width minus gutters. */
  .ck-table.gg-table { background: none; border: 0; box-shadow: none; padding: 0; border-radius: 0; }
  /* one-row strip: label + tray on the outside, the big count on the inside */
  /* compact strip: label on top, then count + captured tray on one line */
  .ck-score .gg-score__side { display: grid; align-items: center; column-gap: 10px; row-gap: 2px; padding: 8px 12px 9px; }
  .ck-score #side-you { grid-template-columns: auto minmax(0, 1fr); grid-template-areas: "who who" "num tray"; }
  .ck-score #side-bot { grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "who who" "tray num"; }
  .ck-score .gg-score__who { grid-area: who; white-space: nowrap; min-height: 22px; }
  .ck-score .gg-score__side.is-turn .gg-score__who::before { display: none; }   /* the butter tint already marks the turn */
  #side-bot .gg-score__who { justify-content: flex-end; }
  .ck-score .gg-score__num { grid-area: num; font-size: 30px; }
  .ck-lvl { font-size: 13px; padding: 1px 7px; }
  .ck-score .gg-score__sub { display: none; }
  .ck-score .ck-tray { grid-area: tray; margin-top: 0; }
}

.ck-board {
  width: 100%; max-width: none; touch-action: manipulation;
  user-select: none; -webkit-user-select: none;
}
.ck-board button.gg-sq { cursor: default; font: inherit; color: inherit; -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
.ck-board button.gg-sq:focus:not(:focus-visible) { outline: none; }
.ck-board button.gg-sq:focus-visible { outline: 3px solid var(--gg-lavender); outline-offset: -3px; z-index: 3; }
.ck-board .gg-sq.is-tappable, .ck-board .gg-sq.ck-has-movable { cursor: pointer; }
.ck-board .gg-sq.is-target::after { z-index: 1; }

/* mid-jump waypoint (only when a multi-jump branches) and the pieces it will take */
.gg-sq.ck-way::before { content: ""; position: absolute; inset: 20%; border-radius: 50%; border: 3px solid var(--gg-lime); box-shadow: 0 0 0 2px var(--gg-ink); }
.gg-piece.ck-doomed { opacity: .45; --s: .88; }

/* a bot piece about to move gets a soft butter halo (highlight colour, not action) */
.gg-piece.ck-bot-pick { --lift: 4px; box-shadow: 0 7px 0 var(--gg-ink), 0 0 0 4px var(--gg-butter); }

/* drag on desktop */
.gg-piece.ck-dragging { z-index: 70; transition: none; cursor: grabbing; --lift: 6px; }

/* crowning (feel.crown adds .is-crowning for ~460 ms): checkers swaps the pop for a drop-in with a bounce */
.gg-piece.is-king.is-crowning::after { animation: ck-crown-drop calc(460ms * var(--gg-time)) var(--gg-ease-out) both; }
@keyframes ck-crown-drop {
  0% { transform: translateY(-240%) scale(1.6) rotate(-14deg); opacity: 0; }
  45% { transform: translateY(10%) scale(.9, 1.1) rotate(4deg); opacity: 1; }
  62% { transform: translateY(-14%) scale(1.08, .94) rotate(-2deg); }
  80% { transform: translateY(3%) scale(.98, 1.02); }
  100% { transform: none; opacity: 1; }
}

/* the bot is thinking */
.ck-dots { display: inline-flex; gap: 3px; margin-left: 4px; vertical-align: middle; }
.ck-dots i { width: 5px; height: 5px; border-radius: 50%; background: currentColor; animation: ck-dot calc(1050ms * var(--gg-time)) ease-in-out infinite; }
.ck-dots i:nth-child(2) { animation-delay: calc(150ms * var(--gg-time)); }
.ck-dots i:nth-child(3) { animation-delay: calc(300ms * var(--gg-time)); }
@keyframes ck-dot { 0%, 70%, 100% { transform: translateY(0); opacity: .35; } 30% { transform: translateY(-4px); opacity: 1; } }
.gg-score__side { transition: background-color var(--gg-dur-md) ease; }

/* result + rules */
.ck-badge__disc { fill: var(--gg-butter); }
.ck-badge--soft .ck-badge__disc { fill: var(--gg-sand); }
.ck-rules { text-align: left; display: grid; gap: 14px; }
.ck-rules__title { font-size: var(--gg-text-2xl); }
.ck-rules__list { margin: 0; padding-left: 20px; display: grid; gap: 8px; font-size: var(--gg-text-sm); line-height: 1.45; color: var(--gg-ink-2); }
.ck-rules__list b { color: var(--gg-ink); }
.ck-rules__list li::marker { color: var(--gg-green-600); }

/* ---------- desktop: board on the green table, side panel for score + level ---------- */
@media (min-width: 900px) {
  .ck-main { padding-block: 24px 40px; }
  .ck-start { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: 56px; padding-top: 24px; }
  .ck-start__copy { max-width: 480px; }
  .ck-start__art { display: block; }
  .ck-start__table { padding: 28px; transform: rotate(1.5deg); }
  .ck-mini { width: 100%; max-width: 440px; pointer-events: none; }

  .ck-game { grid-template-columns: minmax(0, 1fr) 372px; grid-template-rows: none; min-height: 0; gap: 32px; align-items: start; }
  .ck-table { align-self: start; }
  .ck-table { padding: 28px; display: grid; place-items: center; }
  .ck-board { width: min(100%, calc(100dvh - 210px), 640px); }
  .ck-side { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 88px; }
  .ck-score, .ck-table, .ck-prompt, .ck-controls { order: 0; }
  .ck-prompt { margin-top: 0; border-radius: var(--gg-r-lg); padding-block: 14px; align-items: flex-start; }
  .ck-prompt .gg-prompt__dot { margin-top: 3px; }
  .ck-score .gg-score__num { font-size: 40px; }
  .ck-score .gg-score__side { padding: 12px 16px 14px; }
}

.gg-piece.ck-gone { pointer-events: none; }

/* captured pieces tray in the score panel */
.ck-tray { display: flex; align-items: center; min-height: 16px; margin-top: 4px; }
.gg-score__side + .gg-score__side .ck-tray { justify-content: flex-end; }
.ck-tray .gg-piece { width: 14px; height: 14px; flex: none; border-width: 1.5px; box-shadow: 0 2px 0 var(--gg-ink); transition: none; }
.ck-tray .gg-piece + .gg-piece { margin-left: var(--ov, -3px); }
.ck-tray .gg-piece.ck-new { animation: gg-pop-in var(--gg-dur-lg) var(--gg-ease-spring) both; }

/* tip panel: desktop side panel only */
.ck-tip { display: none; }
.ck-tip__text { font-size: var(--gg-text-sm); color: var(--gg-ink-2); line-height: 1.45; margin-top: 6px; }

@media (min-width: 900px) {
  .ck-tip { display: block; order: 0; padding: 16px 18px; box-shadow: var(--gg-shadow); }
}

.ck-record { margin-top: -8px; margin-bottom: 18px; font-size: var(--gg-text-sm); font-weight: 700; color: var(--gg-ink-3); }
.ck-start-record { font-size: var(--gg-text-sm); font-weight: 700; color: var(--gg-ink-3); min-height: 1.4em; margin-top: 2px; }