@font-face { font-family: "Patrick Hand"; font-style: normal; font-weight: 400; font-display: swap; src: url(fonts/patrickhand-400.woff2) format("woff2"); }
  :root { --ink: #2b2a33; --muted: #7a7466; --page: #f7f2e5; --p0: #3361b8; --p1: #cf4e36; --ui: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --hand: "Patrick Hand", "Segoe Print", "Bradley Hand", "Comic Sans MS", cursive; --card: #fffdf7; }
  * { box-sizing: border-box; }
  html, body { margin: 0; background: var(--page); color: var(--ink); font: 15px/1.45 var(--ui); }

  /* ---- paper styles (the canvas colours live in main.js) ---- */
  #game, .pv { --paper: #f7f2e5; --rule: rgba(90,130,190,0.16); --margin: rgba(214,96,96,0.35);
    background-color: var(--paper);
    background-image: linear-gradient(90deg, transparent 47px, var(--margin) 47px, var(--margin) 49px, transparent 49px),
      linear-gradient(var(--rule) 1px, transparent 1px), linear-gradient(90deg, var(--rule) 1px, transparent 1px);
    background-size: 100% 100%, 24px 24px, 24px 24px; }
  .pv { background-image: linear-gradient(var(--rule) 1px, transparent 1px), linear-gradient(90deg, var(--rule) 1px, transparent 1px); background-size: 10px 10px, 10px 10px; }
  #game[data-theme=lined], .pv[data-theme=lined] { --paper: #fbfaf3; --rule: rgba(80,140,200,0.28);
    background-image: linear-gradient(90deg, transparent 47px, var(--margin) 47px, var(--margin) 49px, transparent 49px), linear-gradient(transparent 27px, var(--rule) 27px, var(--rule) 28px);
    background-size: 100% 100%, 100% 28px; }
  .pv[data-theme=lined] { background-image: linear-gradient(transparent 9px, var(--rule) 9px, var(--rule) 10px); background-size: 100% 10px; }
  #game[data-theme=kraft], .pv[data-theme=kraft] { --paper: #d4b88f;
    background-image: radial-gradient(rgba(90,60,25,0.12) 1px, transparent 1.4px), radial-gradient(rgba(255,240,210,0.18) 1px, transparent 1.6px), linear-gradient(115deg, rgba(255,255,255,0.08), rgba(0,0,0,0.05));
    background-size: 7px 9px, 11px 13px, 100% 100%; background-position: 0 0, 3px 5px, 0 0; }
  #game[data-theme=chalk], .pv[data-theme=chalk] { --paper: #2c4337;
    background-image: radial-gradient(ellipse 60% 40% at 30% 30%, rgba(255,255,255,0.07), transparent 70%), radial-gradient(ellipse 50% 50% at 75% 70%, rgba(255,255,255,0.05), transparent 70%),
      radial-gradient(rgba(255,255,255,0.035) 1px, transparent 1.5px);
    background-size: 100% 100%, 100% 100%, 5px 5px; }

  #game { position: relative; overflow: hidden; height: calc(100vh - 44px); height: calc(100svh - 44px); min-height: 520px; -webkit-user-select: none; user-select: none; }
  #game::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse 80% 80% at 50% 45%, rgba(0,0,0,0) 60%, rgba(80,60,20,0.12) 100%); }
  #game[data-theme=chalk]::after { background: radial-gradient(ellipse 80% 80% at 50% 45%, rgba(0,0,0,0) 55%, rgba(0,0,0,0.3) 100%); }
  header { position: absolute; top: 0; left: 0; right: 0; height: 52px; z-index: 4; display: flex; align-items: center; gap: 8px; padding: 0 12px 0 16px;
    background: rgba(247,242,229,0.88); border-bottom: 1px solid rgba(60,50,30,0.1); backdrop-filter: blur(4px); }
  [data-theme=kraft] header { background: rgba(232,214,184,0.88); }
  [data-theme=chalk] header { background: rgba(28,42,34,0.85); color: #f2efe6; border-bottom-color: rgba(255,255,255,0.08); }
  h1 { font-size: 17px; margin: 0 4px 0 0; font-weight: 800; white-space: nowrap; letter-spacing: -0.2px; }
  .grow { flex: 1; }
  button, select { font: 600 14px var(--ui); border: 1px solid rgba(60,50,30,0.2); background: var(--card); color: var(--ink); border-radius: 10px; padding: 7px 12px; cursor: pointer; }
  button:hover:not(:disabled) { background: #fff; border-color: rgba(60,50,30,0.35); }
  [data-theme=chalk] header button { background: rgba(255,255,255,0.1); color: #f2efe6; border-color: rgba(255,255,255,0.2); }
  .short { display: none; }
  .lvl { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 999px; font-size: 13px; }
  .lvl i { width: 8px; height: 8px; border-radius: 50%; background: #e0a24c; }
  .lvl span { opacity: 0.6; font-size: 10px; }
  .lvl[data-l=easy] i { background: #6cc070; } .lvl[data-l=hard] i { background: #e5573f; } .lvl[data-l=expert] i { background: #7a3fd0; } .lvl[data-l=p2] i { background: #7fb2e5; }
  .lvl[data-l=daily] i { background: #f2c94c; box-shadow: 0 0 0 3px rgba(242,201,76,0.3); }

  /* paper style popover */
  #themes { position: absolute; z-index: 6; top: 58px; right: 12px; width: 300px; max-width: calc(100vw - 24px); padding: 12px; border-radius: 16px;
    background: var(--card); color: var(--ink); box-shadow: 0 16px 40px rgba(40,30,15,0.28); opacity: 0; transform: translateY(-6px); pointer-events: none; transition: opacity 0.18s, transform 0.18s; }
  #themes.show { opacity: 1; transform: none; pointer-events: auto; }
  #themes .ph { font-weight: 800; font-size: 15px; margin: 2px 4px 10px; }
  #themes .grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
  #themes .sw { display: flex; flex-direction: column; gap: 6px; padding: 6px; border-radius: 12px; background: #fff; border: 2px solid transparent; text-align: left; font-size: 12.5px; font-weight: 700; color: var(--ink); }
  #themes .sw[aria-pressed=true] { border-color: #3361b8; }
  #themes .pv { display: block; border-radius: 8px; overflow: hidden; border: 1px solid rgba(0,0,0,0.08); }
  #themes .pv svg { width: 100%; height: auto; display: block; }

  #scores { position: absolute; z-index: 3; top: 64px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; }
  .pl { display: flex; align-items: center; gap: 8px; padding: 5px 14px; border-radius: 999px; background: rgba(255,253,247,0.92); box-shadow: 0 2px 10px rgba(60,50,30,0.14);
    border: 2px solid transparent; transition: border-color 0.2s; font-weight: 600; white-space: nowrap; }
  .pl i { width: 10px; height: 10px; border-radius: 50%; }
  #pl0 i { background: var(--p0); } #pl1 i { background: var(--p1); }
  .pl b { display: inline-block; font: 400 24px/1 var(--hand); min-width: 22px; text-align: right; }
  #pl0 b { color: var(--p0); } #pl1 b { color: var(--p1); }
  #pl0.on { border-color: var(--p0); } #pl1.on { border-color: var(--p1); }
  .pl.bump b { animation: bump 0.35s ease-out; }
  @keyframes bump { 40% { transform: scale(1.35); } }
  #game[data-theme=lined] { --p0: #2f7a55; --p1: #8b45b3; }
  #game[data-theme=kraft] { --p0: #1f4e8a; --p1: #b23a26; }
  #game[data-theme=chalk] { --p0: #b8960c; --p1: #d9638a; }

  #board { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; z-index: 2; }

  #bar { position: absolute; z-index: 3; bottom: max(14px, env(safe-area-inset-bottom)); left: 50%; transform: translateX(-50%); max-width: calc(100vw - 16px);
    padding: 8px 18px; background: rgba(255,253,247,0.92); border-radius: 999px; box-shadow: 0 4px 16px rgba(60,50,30,0.15); white-space: nowrap; }
  #status { font-size: 14px; }
  #coach { position: absolute; z-index: 3; left: 50%; bottom: calc(max(14px, env(safe-area-inset-bottom)) + 52px); transform: translate(-50%, 8px); width: max-content; max-width: min(540px, calc(100vw - 24px));
    padding: 10px 16px; border-radius: 14px; background: var(--card); color: var(--ink); box-shadow: 0 8px 26px rgba(40,30,15,0.25);
    font-size: 14px; line-height: 1.4; opacity: 0; pointer-events: none; transition: opacity 0.25s, transform 0.25s; border-left: 4px solid #3f8f5a; }
  #coach.show { opacity: 1; transform: translate(-50%, 0); }
  #coach.warn { border-left-color: #d9a441; }
  #coach b { display: block; font-size: 13px; margin-bottom: 2px; }
  #review { position: absolute; z-index: 5; top: 112px; left: 50%; transform: translateX(-50%); display: none; align-items: center; gap: 12px; width: max-content; max-width: calc(100vw - 24px);
    padding: 6px 6px 6px 16px; border-radius: 999px; background: var(--card); box-shadow: 0 6px 20px rgba(40,30,15,0.22); font-size: 14px; }
  #review.show { display: flex; }
  #review .r { color: #d2463c; } #review .g { color: #2f8f52; }

  .dlg { position: absolute; inset: 0; z-index: 10; display: none; align-items: center; justify-content: center; background: rgba(40,35,25,0.35); }
  .dlg.show { display: flex; }
  .dlg .card { width: min(380px, calc(100vw - 32px)); background: var(--card); color: var(--ink); border-radius: 18px; padding: 20px 22px; box-shadow: 0 20px 50px rgba(0,0,0,0.3); }
  .dh { font-size: 20px; font-weight: 800; margin-bottom: 12px; }
  .row { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
  .row[hidden] { display: none; }
  .row select { width: 100%; }
  .chk { display: flex; align-items: center; gap: 8px; margin: 4px 0 14px; }
  .btns { display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
  .btns [hidden] { display: none; }
  button.go { background: linear-gradient(#4a78cc, #3361b8); color: #fff; border-color: #2a4f97; }
  #overBig { font: 400 52px/1.1 var(--hand); text-align: center; margin: 4px 0; }
  #overSub { text-align: center; color: var(--muted); margin: 0 0 12px; }
  #overCoach { font-size: 14px; line-height: 1.45; margin: 0 0 14px; padding: 10px 12px; border-radius: 12px; background: rgba(63,143,90,0.08); border-left: 3px solid #3f8f5a; }
  #overCoach:empty { display: none; }
  #overCoach b { display: block; font-size: 13px; margin-bottom: 2px; }

  #more { display: flex; align-items: center; justify-content: center; height: 44px; color: var(--muted); text-decoration: none; font-size: 14px; border-top: 1px solid rgba(60,50,30,0.1); }
  article { padding: 8px 16px 48px; }
  article > div { max-width: 720px; margin: 0 auto; }
  article h2 { font-size: 22px; margin: 32px 0 10px; }
  article h3 { font-size: 17px; margin: 22px 0 6px; }
  article p, article li { font-size: 16px; line-height: 1.6; color: #45423b; }
  article a { color: #2f5aa8; }
  footer { text-align: center; color: var(--muted); font-size: 13px; padding: 24px 16px 40px; }
  footer a { color: #2f5aa8; }

  @media (max-width: 560px) {
    h1 { font-size: 15px; } .long { display: none; } .short { display: inline; }
    #scores { top: 60px; } .pl { padding: 4px 10px; font-size: 13px; }
    #status { font-size: 13px; }
    #game[data-theme=notebook] { background-image: linear-gradient(var(--rule) 1px, transparent 1px), linear-gradient(90deg, var(--rule) 1px, transparent 1px); background-size: 24px 24px, 24px 24px; }
    #game[data-theme=lined] { background-image: linear-gradient(transparent 27px, var(--rule) 27px, var(--rule) 28px); background-size: 100% 28px; }
  }
  @media (max-width: 430px) {
    header { gap: 6px; padding: 0 8px 0 12px; } h1 { font-size: 14px; }
    .lvl b { display: none; } header button { padding: 7px 9px; }
  }