/* Peg Solitaire player. Warm wood peg-board look, forked palette from the
   guessmyword-cache house style (gmw.css), plus a positioned-DOM board renderer.
   Full dark mode via prefers-color-scheme. Responsive, letterboxed square stage. */
:root{
  --bg:#f6f1e7;--bg2:#efe7d7;--ink:#2b2620;--mut:#94897a;--card:#fffdf9;--line:#e6ddcd;
  --ok:#3a8d4f;--ok-ink:#256436;--bad:#c0392b;--accent:#a96a2c;--accent-ink:#8a531d;--hl:#e8b04b;
  /* board-specific warm tones */
  --board1:#c9a267;--board2:#a5763c;--board-edge:#8a5a26;
  --hole:#6e4a22;--hole2:#5a3a17;
  --peg1:#f4d9a6;--peg2:#d59b53;--peg-edge:#a5763c;
  --dest:#3a8d4f;
}
@media(prefers-color-scheme:dark){:root{
  --bg:#17140f;--bg2:#1e1a13;--ink:#efe9df;--mut:#8c8275;--card:#241f17;--line:#3a3326;
  --ok:#62c47d;--ok-ink:#8ad8a0;--bad:#e07a6c;--accent:#d9a066;--accent-ink:#e8b87f;--hl:#caa23d;
  --board1:#5a431f;--board2:#3f2f16;--board-edge:#2a1f0f;
  --hole:#1c1409;--hole2:#100b05;
  --peg1:#e6c489;--peg2:#b07f3f;--peg-edge:#6e4d24;
  --dest:#62c47d;
}}
*{box-sizing:border-box}
html,body{margin:0}
body{font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;color:var(--ink);
  background:radial-gradient(120% 80% at 50% -10%,var(--bg2),var(--bg));min-height:100vh;
  display:flex;justify-content:center;padding:20px 16px 48px}
.wrap{width:100%;max-width:600px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:4px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
h1{font-size:clamp(20px,5vw,26px);margin:0;letter-spacing:-.01em}
.tools{display:flex;align-items:center;gap:8px}
.gc{font:700 13px/1 ui-monospace,monospace;color:#fff;background:var(--accent);text-decoration:none;
  border-radius:999px;padding:7px 12px}

.sub{color:var(--mut);font-size:14.5px;margin:12px 2px 16px}
.sub b{color:var(--ink)}
.preview{margin:12px 0 2px;padding:9px 13px;border:1px dashed var(--accent);border-radius:10px;
  color:var(--accent-ink);font-size:13px;font-weight:600;line-height:1.4}

.msg{min-height:20px;font-size:13.5px;text-align:center;margin:9px 0 2px;color:var(--mut)}
.msg.bad{color:var(--bad)}
.msg.good{color:var(--ok-ink);font-weight:600}
#loadmsg a{color:var(--accent-ink)}

/* ---- HUD ---- */
.hud{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:10px 14px;margin:6px 0 12px}
.pegcount{display:flex;align-items:baseline;gap:8px}
.pcnum{font:800 26px/1 ui-monospace,monospace;color:var(--accent-ink);min-width:1.4em;text-align:right}
.pclabel{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--mut)}
.hudbtns{display:flex;gap:8px;flex-wrap:wrap}
.hudbtn{background:var(--bg2);border:1px solid var(--line);color:var(--accent-ink);border-radius:999px;
  padding:8px 15px;font-size:13.5px;font-weight:600;cursor:pointer}
.hudbtn:hover:not(:disabled){border-color:var(--accent)}
.hudbtn:disabled{opacity:.4;cursor:default}

/* ---- board stage: a square, letterboxed, warm wood triangle ---- */
.stagewrap{display:flex;justify-content:center;margin:2px 0}
.stage{position:relative;width:100%;max-width:min(88vw,440px);aspect-ratio:1/1;
  border-radius:22px;
  background:
    radial-gradient(120% 120% at 30% 20%,var(--board1),var(--board2) 70%,var(--board-edge));
  box-shadow:inset 0 2px 6px rgba(255,255,255,.18),inset 0 -6px 18px rgba(0,0,0,.35),
    0 8px 22px rgba(0,0,0,.22);
  touch-action:none;user-select:none;-webkit-user-select:none}

/* a hole is the socket; each holds an optional peg child */
.hole{position:absolute;transform:translate(-50%,-50%);border-radius:50%;
  background:radial-gradient(60% 60% at 50% 38%,var(--hole2),var(--hole));
  box-shadow:inset 0 3px 6px rgba(0,0,0,.6),inset 0 -2px 3px rgba(255,255,255,.06);
  display:flex;align-items:center;justify-content:center}
/* a legal landing spot for the currently selected peg */
.hole.dest{cursor:pointer;box-shadow:inset 0 3px 6px rgba(0,0,0,.6),
  0 0 0 3px var(--dest),0 0 14px 2px var(--dest)}
.hole.dest::after{content:"";width:34%;height:34%;border-radius:50%;
  background:var(--dest);opacity:.55;animation:pulse 1.1s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:scale(.7);opacity:.35}50%{transform:scale(1.05);opacity:.7}}

.peg{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border-radius:50%;
  width:82%;height:82%;
  background:radial-gradient(58% 58% at 42% 34%,var(--peg1),var(--peg2) 68%,var(--peg-edge));
  box-shadow:0 3px 5px rgba(0,0,0,.4),inset 0 -3px 5px rgba(0,0,0,.28),inset 0 3px 5px rgba(255,255,255,.4);
  cursor:grab;touch-action:none}
.peg.movable{cursor:grab}
.peg.selected{box-shadow:0 0 0 3px var(--hl),0 0 14px 3px var(--hl),
  0 3px 5px rgba(0,0,0,.4),inset 0 -3px 5px rgba(0,0,0,.28)}
.peg.dragging{cursor:grabbing;z-index:40;transition:none;box-shadow:0 8px 16px rgba(0,0,0,.5),
  inset 0 -3px 5px rgba(0,0,0,.28),inset 0 3px 5px rgba(255,255,255,.4)}
@media(prefers-reduced-motion:reduce){.hole.dest::after{animation:none}}

/* ---- dead-end (scoring) panel ---- */
.deadend{display:none;text-align:center;background:var(--card);border:1px solid var(--line);
  border-radius:18px;padding:20px 18px;margin-top:16px}
.deadend.show{display:block}
.deadend h2{margin:.1em 0;font-size:21px;color:var(--accent-ink)}
.desub{color:var(--mut);font-size:14.5px;margin:8px 0 0;line-height:1.5}
.desub b{color:var(--ink)}

/* ---- win / end card ---- */
.end{display:none;text-align:center;background:var(--card);border:1px solid var(--line);
  border-radius:18px;padding:22px 18px;margin-top:16px}
.end.show{display:block}
.end h2{margin:.1em 0;font-size:23px;color:var(--ok-ink)}
.end .esub{color:var(--mut);font-size:14px;margin:6px 0 0}
.kw{margin:16px 0 6px}
.kw .label{font:600 11px/1 system-ui;text-transform:uppercase;letter-spacing:.1em;color:var(--mut)}
.kw .val{display:inline-block;font:800 clamp(20px,6.5vw,28px)/1.2 ui-monospace,monospace;letter-spacing:.02em;
  color:var(--accent-ink);margin-top:6px;user-select:all;overflow-wrap:anywhere;word-break:break-word;max-width:100%;text-decoration:none}
a.kw .val,.kw a.val{text-decoration:underline}
.row2{display:flex;gap:10px;justify-content:center;margin-top:16px;flex-wrap:wrap}
.ghost{background:transparent;color:var(--accent-ink);border:1px solid var(--line);border-radius:11px;
  padding:10px 16px;font-weight:600;cursor:pointer}
.ghost:hover{border-color:var(--accent)}

/* ---- rules modal ---- */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;
  padding:20px;z-index:100}
.modalcard{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px 20px;
  max-width:440px;width:100%;max-height:86vh;overflow:auto}
.modalcard h2{margin:0 0 10px;font-size:20px;color:var(--accent-ink)}
.modalcard p{font-size:14.5px;color:var(--ink);margin:0 0 12px;line-height:1.55}
.scoretable{list-style:none;padding:0;margin:0 0 12px}
.scoretable li{font-size:14px;color:var(--ink);padding:7px 12px;border:1px solid var(--line);
  border-radius:10px;margin-bottom:6px;background:var(--bg2)}
.scoretable li b{color:var(--accent-ink)}
.fine{font-size:12.5px;color:var(--mut)}

@media(max-width:480px){
  .gc{display:none}
  .hud{padding:9px 12px}
  .pcnum{font-size:23px}
}