*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}
:root{
  --bg:#15131c; --panel:#211d2c; --line:#39324a; --ink:#efeaf6; --dim:#8b8399;
  --fill:#2f2a3d; --hot:#ff6b5e; --good:#5ec98a; --gold:#ffc857; --sky:#7bd4ff;
  --cell:44px;
}
html,body{height:100%}
body{background:var(--bg);color:var(--ink);font-family:"Trebuchet MS",system-ui,sans-serif;
  display:flex;align-items:center;justify-content:center;overflow:hidden}
#app{width:100%;max-width:460px;height:100dvh;display:flex;flex-direction:column;gap:10px;padding:12px;position:relative}

/* foes */
#foes{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;min-height:76px;align-items:flex-start}
.foe{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:6px 8px;
  display:flex;flex-direction:column;align-items:center;gap:3px;min-width:58px}
.foe .face{font-size:26px;line-height:1}
.foe .hp{font-size:12px;color:var(--hot);font-weight:bold}
.foe .atk{font-size:11px;color:var(--dim)}
.foe.dead{opacity:.25;filter:grayscale(1)}
.foe.hurt{animation:shake .18s}
@keyframes shake{0%,100%{transform:translateX(0)}30%{transform:translateX(-4px)}70%{transform:translateX(4px)}}

/* player bar */
#pbar{display:flex;gap:12px;align-items:center;justify-content:center;background:var(--panel);
  border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-size:14px;flex-wrap:wrap}
#pbar b{font-weight:bold}
#p-hp b{color:var(--hot)} #p-shield b{color:var(--sky)} #p-score b{color:var(--gold)}
.hidden{display:none}

/* board */
#board-wrap{flex:1;display:flex;align-items:center;justify-content:center;min-height:0}
#board{border-collapse:collapse}
#board td{padding:0;text-align:center;vertical-align:middle}
/* hint cells */
.rh,.ch{color:var(--dim);font-size:12px;font-weight:bold;line-height:1.15}
.rh{text-align:right;padding-right:6px!important;white-space:nowrap}
.ch{vertical-align:bottom;padding-bottom:4px!important}
.corner{}
/* play cells */
.cell{width:var(--cell);height:var(--cell);border:1px solid var(--line);
  background:#1a1725;position:relative;cursor:pointer;font-size:22px;line-height:1}
.cell.fill{background:var(--fill);border-color:#4a4160}
.cell.mark::after{content:"×";color:var(--dim);font-size:18px;position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center}
.cell .sym{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.cell.pop{animation:pop .2s}
@keyframes pop{0%{transform:scale(.6)}60%{transform:scale(1.2)}100%{transform:scale(1)}}
/* thick group lines every 5 */
.cell.g5r{border-bottom-color:#5a4f75}
.cell.g5c{border-right-color:#5a4f75}

#hint{text-align:center;color:var(--dim);font-size:12px;min-height:16px}

#toast{position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);
  font-size:24px;font-weight:bold;color:var(--gold);text-shadow:0 2px 8px #000;pointer-events:none;opacity:0}
#toast.show{animation:tp 1s ease-out}
@keyframes tp{0%{opacity:0;transform:translate(-50%,-30%) scale(.7)}
  25%{opacity:1;transform:translate(-50%,-50%) scale(1.1)}70%{opacity:1}100%{opacity:0;transform:translate(-50%,-70%)}}

#modal{position:fixed;inset:0;background:rgba(8,6,12,.88);display:flex;align-items:center;justify-content:center;z-index:9;padding:20px}
#modal.hidden{display:none}
#modal-box{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;max-width:400px;width:100%;text-align:center}
#modal-title{font-size:22px;font-weight:bold;margin-bottom:14px}
#modal-body{font-size:14px;line-height:1.8;color:var(--dim);margin-bottom:16px}
#modal-body b{color:var(--ink)}
#modal-btn{width:100%;padding:13px;font-size:16px;font-weight:bold;background:#3d3357;color:var(--ink);
  border:1px solid #5b4c80;border-radius:10px;cursor:pointer;font-family:inherit}