/* Pattern Garden: soft cream and fresh light greens with a terracotta accent.
   Deliberately no dark green or teal, no red "wrong" colours, and nothing that flashes. */
:root {
  --bg: #f8f7f0;
  --card: #ffffff;
  --ink: #33302a;
  --ink-2: #6a6457;
  --rule: #e6e2d3;
  --accent: #b35a36;        /* terracotta; white text on it is 5.0:1 */
  --accent-ink: #ffffff;
  --accent-soft: #f7e6dc;
  --focus: #b35a36;
  --leaf: #8cc873;
  --leaf-soft: #e4f2d8;
  --soil: #d9c2a3;
  --soil-soft: #eee2cf;
  --water: #8cc3ec;
  --water-deep: #6aa7dd;
  --sky: #f3f8ec;
  --cell: #fffdf8;
  --cell-line: #d8d2c0;
  --cell-line-5: #b9b19b;
  --filled: #4f4a40;
  --clue-done: #c4bda9;
  --shadow: 0 1px 2px rgb(51 48 42 / .06), 0 8px 24px rgb(51 48 42 / .07);
  --font: 'Atkinson Hyperlegible', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1c17;
    --card: #25261f;
    --ink: #f1eee4;
    --ink-2: #cfc9b8;
    --rule: #3c3d33;
    --accent: #f0a47e;
    --accent-ink: #2a160c;
    --accent-soft: #43302a;
    --focus: #f0a47e;
    --leaf-soft: #2e3a27;
    --soil: #6d5a45;
    --soil-soft: #3d342a;
    --water: #5f93c0;
    --water-deep: #8cc3ec;
    --sky: #23261e;
    --cell: #2b2c24;
    --cell-line: #4a4b3f;
    --cell-line-5: #6d6e5d;
    --filled: #ebe6d6;
    --clue-done: #6e6a5c;
    --shadow: 0 1px 2px rgb(0 0 0 / .3), 0 8px 24px rgb(0 0 0 / .3);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 1.0625rem/1.55 var(--font);
  padding-inline: clamp(16px, 4vw, 40px);
}
a { color: inherit; text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 6px; }
[hidden] { display: none !important; }
h1 { margin: 0; font-size: clamp(1.35rem, 3vw, 1.7rem); line-height: 1.2; }
h2 { margin: 0; font-size: 1.25rem; line-height: 1.25; }

.top { max-width: 1080px; margin: 0 auto; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding-block: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.25rem; }
.brand img { border-radius: 9px; }
.top-acts { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.home-link, .chip { text-decoration: none; font: 700 .95rem/1.2 var(--font); color: var(--ink); padding: 8px 14px; min-height: 40px; display: inline-flex; align-items: center; border: 1px solid var(--rule); border-radius: 999px; background: var(--card); white-space: nowrap; cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); }

main { max-width: 1080px; margin: 0 auto; padding-bottom: 28px; }
.view { display: grid; gap: 18px; }
.lead { margin: 4px 0 0; font-size: clamp(1.1rem, 2.4vw, 1.3rem); max-width: 62ch; }
.help { margin: 0; color: var(--ink-2); max-width: 70ch; }
.card { background: var(--card); border: 1px solid var(--rule); border-radius: 18px; padding: 18px 20px; box-shadow: var(--shadow); }

.btn {
  font: 700 1rem/1.2 var(--font); color: var(--ink); background: var(--card); text-decoration: none;
  border: 2px solid var(--rule); border-radius: 12px; padding: 10px 16px; min-height: 48px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: .45; cursor: default; border-color: var(--rule); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.quiet { color: var(--ink-2); }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.bar { display: flex; flex-wrap: wrap; gap: 12px 16px; align-items: center; }

/* Garden */
.garden-card { display: grid; gap: 12px; }
.garden { width: 100%; }
.garden svg { display: block; width: 100%; height: auto; border-radius: 14px; direction: ltr; }
.all-done { margin: 0; color: var(--ink-2); }
.modes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.mode { display: flex; flex-direction: column; gap: 8px; }
.mode p { margin: 0; color: var(--ink-2); }
.mode .count { color: var(--ink); font-weight: 700; margin-top: auto; }

/* Picker */
.size-group { display: grid; gap: 10px; margin-bottom: 18px; }
.size-group h2 { font-size: 1.1rem; color: var(--ink-2); }
.tiles { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(116px, 1fr)); gap: 12px; }
.tile {
  width: 100%; display: grid; gap: 6px; justify-items: center; padding: 12px 10px; text-decoration: none;
  background: var(--card); border: 2px solid var(--rule); border-radius: 16px; color: var(--ink); cursor: pointer; font: inherit;
}
.tile:hover { border-color: var(--accent); }
.tile svg { width: 84px; height: 84px; display: block; }
.tile .name { font-weight: 700; text-align: center; line-height: 1.25; }
.tile .tag { font-size: .85rem; color: var(--ink-2); }
.tile.done { background: var(--leaf-soft); }

/* Play */
.tools { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.seg { display: inline-flex; border: 2px solid var(--rule); border-radius: 12px; overflow: hidden; background: var(--card); }
.seg button { font: 700 1rem/1.2 var(--font); color: var(--ink-2); background: none; border: 0; padding: 8px 14px; min-height: 44px; cursor: pointer; display: inline-flex; gap: 8px; align-items: center; }
.seg button[aria-checked="true"] { background: var(--accent-soft); color: var(--ink); }
.swatch { width: 18px; height: 18px; border-radius: 4px; display: inline-grid; place-items: center; font-size: 13px; line-height: 1; }
.swatch.fill { background: var(--filled); }
.swatch.mark { border: 2px solid var(--cell-line-5); color: var(--ink-2); }
.board-wrap { display: flex; justify-content: center; }
.board { width: 100%; max-width: min(720px, 100%); touch-action: none; user-select: none; -webkit-user-select: none; }
.board svg { display: block; width: 100%; height: auto; max-height: 76vh; margin-inline: auto; direction: ltr; }
.board svg:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; border-radius: 8px; }
.status { margin: 0; min-height: 1.6em; text-align: center; color: var(--ink-2); font-weight: 700; }
.solved { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; background: var(--leaf-soft); }
.solved-art svg { width: 120px; height: 120px; display: block; }
.solved h2 { margin-bottom: 4px; }
.solved p { margin: 0 0 12px; }
.how { max-width: 70ch; }
.how summary { cursor: pointer; font-weight: 700; padding-block: 6px; }
.how p { margin: 6px 0; }

/* SVG board parts */
.cell { fill: var(--cell); stroke: var(--cell-line); stroke-width: 1; }
.cell.f { fill: var(--filled); }
.grid5 { stroke: var(--cell-line-5); stroke-width: 2; fill: none; pointer-events: none; }
.xmark { stroke: var(--ink-2); stroke-width: 3; stroke-linecap: round; pointer-events: none; }
.clue { fill: var(--ink); font: 700 20px var(--font); }
.clue.done { fill: var(--clue-done); }
.clue-bg { fill: var(--sky); }
.clue-bg.hot { fill: var(--accent-soft); }
.cursor { fill: none; stroke: var(--focus); stroke-width: 4; pointer-events: none; }
.ring { fill: none; stroke: var(--accent); stroke-width: 3; stroke-dasharray: 3 5; stroke-linecap: round; pointer-events: none; }
.fcell { fill: var(--cell); stroke: var(--cell-line); stroke-width: 1.5; }
.stone-label { font: 700 22px var(--font); fill: #ffffff; pointer-events: none; }

.toast {
  position: fixed; left: 50%; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%);
  background: var(--ink); color: var(--bg); padding: 12px 16px; border-radius: 14px; display: flex; gap: 14px; align-items: center;
  box-shadow: var(--shadow); z-index: 30; max-width: calc(100vw - 32px); font-weight: 700;
}
.toast-btn { font: 700 1rem var(--font); background: transparent; color: var(--accent-soft); border: 2px solid currentColor; border-radius: 10px; padding: 4px 12px; cursor: pointer; min-height: 40px; }

.foot { max-width: 1080px; margin: 0 auto; border-top: 1px solid var(--rule); padding-block: 14px 28px; color: var(--ink-2); font-size: .95rem; }
.foot p { margin: 4px 0; }

@media (max-width: 640px) {
  .modes { grid-template-columns: 1fr; }
  .tools .btn { padding: 8px 12px; min-height: 44px; }
  .seg button { padding: 8px 10px; }
  .tiles { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
  .tile { padding: 8px 4px; border-radius: 12px; }
  .tile svg { width: 56px; height: 56px; }
  .tile .name { font-size: .9rem; }
  .tile .tag { font-size: .78rem; }
}
@keyframes grow { from { transform: scale(.4); opacity: 0; } }
.pop { transform-box: fill-box; transform-origin: 50% 100%; animation: grow .7s cubic-bezier(.2, .8, .2, 1) both; }
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* English | العربية */
:root[lang="ar"] { --font: 'IBM Plex Sans Arabic', 'Atkinson Hyperlegible', system-ui, -apple-system, 'Segoe UI', sans-serif; }
.fb-lang { order: -1; flex-basis: 100%; display: flex; justify-content: flex-end; align-items: center; gap: 4px; font-size: .95rem; color: var(--rule); }
.fb-lang button { font: inherit; font-weight: 700; color: var(--ink-2); background: none; border: 0; border-radius: 999px; padding: 4px 12px; min-height: 36px; cursor: pointer; }
.fb-lang button[lang="ar"] { font-family: 'IBM Plex Sans Arabic', system-ui, sans-serif; font-size: 1.05rem; }
.fb-lang button[lang="en"] { font-family: 'Atkinson Hyperlegible', system-ui, sans-serif; }
.fb-lang button[aria-pressed="true"] { color: var(--ink); background: color-mix(in oklab, var(--accent) 16%, transparent); }
.fb-lang button:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.fb-suggest { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; margin: 0 0 4px; padding: 12px 16px; border: 1px solid var(--rule); border-radius: 14px; background: var(--card); }
.fb-suggest p { margin: 0; display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: baseline; }
.fb-suggest [lang="ar"] { font-family: 'IBM Plex Sans Arabic', system-ui, sans-serif; font-weight: 700; }
.fb-suggest [lang="en"] { font-family: 'Atkinson Hyperlegible', system-ui, sans-serif; color: var(--ink-2); }
.fb-suggest-acts { display: flex; flex-wrap: wrap; gap: 8px; }
.fb-suggest button { font-weight: 700; padding: 8px 16px; border-radius: 999px; cursor: pointer; min-height: 40px; }
.fb-suggest .fb-ar { background: var(--accent); color: var(--accent-ink); border: 0; font-family: 'IBM Plex Sans Arabic', system-ui, sans-serif; }
.fb-suggest .fb-en { background: transparent; color: var(--ink); border: 2px solid var(--rule); }