:root{
    --bg:#f6f3ee;
    --ink:#17202a;
    --muted:#5d6673;
    --blue:#20375f;
    --blue-2:#2f4f7f;
    --orange:#e87522;
    --sand:#ded6ca;
    --sand-2:#f0ebe4;
    --surface:#fffdf9;
    --white:#fff;
    --ok:#228b5b;
    --bad:#c74444;
    --radius:18px;
    --cell:64px;
    --gap:6px;
    --deck-slots:8;
    --score-hover-bg:#fbf8f2;
    --score-selected-bg:#f0ebe4;
    --score-selected-ink:var(--blue);
  }
  *{box-sizing:border-box}
  html,body{height:100%;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
  body{overflow:hidden}
  button,input,select{font:inherit}
  .svg-sprite{position:absolute;width:0;height:0;overflow:hidden}
  button{border:1px solid transparent;border-radius:999px;padding:.78rem 1.05rem;background:var(--blue);color:white;font-weight:780;cursor:pointer;min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}
  button svg{width:1.08em;height:1.08em;display:block;flex:0 0 auto}
  button:hover{background:var(--blue-2)}
  button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(232,117,34,.32);outline-offset:2px}
  button.secondary{background:var(--white);color:var(--blue);border:1px solid var(--sand)}
  button.secondary:hover{background:var(--sand-2)}
  button.orange{background:var(--orange)}
  button.danger{background:var(--bad)}
  button.danger:hover{background:#a93434}
  button:disabled{opacity:.45;cursor:not-allowed}
  .screen{height:100%;display:none;padding:16px;max-width:1180px;margin:0 auto}
  .screen.active{display:grid}
  .menu{place-items:center}
  .start-hero{display:block;width:min(360px,70vw);height:auto;margin:0 auto 10px}
  .language-grid{display:flex;flex-direction:row;flex-wrap:wrap;gap:14px;margin:24px 0 0;max-width:100%;justify-content:center}
  .language-card{display:grid;gap:16px;flex:0 0 320px;width:320px;min-width:0;max-width:100%;border:1px solid var(--sand);border-left:5px solid var(--blue);border-radius:12px;padding:1rem;background:var(--surface)}
  .language-card b{display:flex;align-items:center;gap:10px;text-align:left;font-size:1.12rem;color:var(--blue)}.language-card .flag{width:34px;height:23px;border:1px solid var(--sand);border-radius:4px;display:block;flex:0 0 auto}
  .language-actions{display:flex;flex-direction:row;flex-wrap:wrap;gap:9px}
  .language-actions button{padding:.7rem .9rem;flex:1 1 100px;min-width:0;white-space:normal;overflow-wrap:anywhere}
  .level-grid{display:grid;grid-template-columns:repeat(4,132px);justify-content:center;gap:12px;margin:24px 0}.levelBtn{display:grid;place-items:center;border-radius:12px;background:var(--surface);color:var(--blue);border:1px solid var(--sand);border-top:5px solid var(--blue);padding:.9rem;min-width:0;min-height:148px;overflow-wrap:anywhere;gap:4px}.levelBtn:hover{background:#f8f5ef;border-color:#cfc5b7;border-top-color:var(--orange);color:var(--blue)}.levelBtn b{display:block;font-size:1.35rem;line-height:1.1}.levelBtn span{font-size:.95rem}.levelBtn .level-icon{width:8rem;display:block;object-fit:contain;margin-bottom:2px}.level-back{display:flex;margin:18px auto 0}
  .app{height:100%;grid-template-rows:auto minmax(0,1fr) auto;gap:10px}
  header{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--surface);border:1px solid var(--sand);border-radius:var(--radius);padding:12px 14px}
  .brand{display:flex;gap:10px;align-items:center;min-width:190px}
  .logo{width:42px;height:42px;display:grid;place-items:center;border-radius:10px;background:var(--blue);color:#fff;overflow:hidden}
  .logo img{width:38px;height:38px;display:block;object-fit:contain}
  .brand h1{font-size:1.05rem;margin:0;letter-spacing:.2px}.brand p{margin:1px 0 0;color:var(--muted);font-size:.78rem}
  .hud{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;position:relative}.pill{background:#f8f5ef;border:1px solid var(--sand);border-radius:999px;padding:.52rem .75rem;font-size:.88rem;white-space:nowrap}.pill b{color:var(--blue)}
  .actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
  main{min-height:0;display:grid;gap:12px}
  .panel{background:var(--surface);border:1px solid var(--sand);border-radius:var(--radius);padding:14px;min-height:0}.panel.play{background:transparent;border:0;border-radius:0;padding:0}
  .play{display:grid;place-items:center;overflow:auto;position:relative}.board{display:grid;gap:var(--gap);touch-action:none;padding:10px;border-radius:18px;background:#e9edf1;border:1px solid #d4dbe2}
  .cell{width:var(--cell);height:var(--cell);border-radius:12px;background:#fff; border:1px solid #cfd6df;position:relative;display:grid;place-items:center}
  .cell.blocked{background:repeating-linear-gradient(45deg,#1f3a5f,#1f3a5f 7px,#2e4d73 7px,#2e4d73 14px);border-color:#1f3a5f}.cell.required{outline:3px solid var(--orange);outline-offset:-5px}.cell.double::after,.cell.triple::after{position:absolute;right:4px;top:4px;font-size:.62rem;font-weight:900;border-radius:999px;padding:2px 4px;background:var(--sand);color:var(--blue)}.cell.double::after{content:'x2'}.cell.triple::after{content:'x3';background:#f3cfb2;color:#9a4214}
  .sideblock h2{font-size:.95rem;margin:.1rem 0 .6rem;color:var(--blue)}.words{overflow:auto;min-height:80px;max-height:42vh;display:flex;flex-direction:row;flex-wrap:wrap;justify-content:center;align-content:flex-start;gap:8px;padding-right:4px;text-align:center}.word{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--sand);border-left:4px solid var(--blue);border-radius:10px;padding:.55rem .65rem;font-size:.9rem}.word small{color:var(--muted)}
  .msg{font-size:.88rem;color:var(--muted);line-height:1.35;background:var(--surface);border:1px solid var(--sand);border-radius:12px;padding:10px}.msg.ok{border-color:rgba(34,139,91,.35);color:#17603d}.msg.bad{border-color:rgba(199,68,68,.35);color:#8b2525}.empty-state{width:100%;margin:.75rem auto 1rem;color:var(--muted);font-size:.95rem;line-height:1.4;text-align:center;background:transparent;border:0;padding:0}
  .stats{font-size:.9rem;color:var(--muted);overflow:auto;max-height:320px}.stats table{width:100%;border-collapse:collapse;margin-bottom:18px}.stats h3{margin:1rem 0 .25rem;color:var(--blue)}.stats th,.stats td{text-align:left;border-bottom:1px solid var(--sand);padding:8px 6px}.stats th{color:var(--blue);font-weight:800}.stats tr[data-game-id]{cursor:pointer}.stats tr[data-game-id]:hover td{background:var(--score-hover-bg)}.stats tr.selected td{background:var(--score-selected-bg);color:var(--score-selected-ink);font-weight:750}
  footer{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:12px;background:var(--surface);border:1px solid var(--sand);border-radius:var(--radius);padding:12px}.deck{display:flex;gap:8px;min-width:min(100%, calc((var(--cell) - 8px) * var(--deck-slots) + 8px * (var(--deck-slots) - 1) + 18px));min-height:calc(var(--cell) + 12px);align-items:center;justify-content:center;flex:0 1 auto;flex-wrap:wrap;touch-action:none;background:#f8f5ef;border:1px dashed #d1c8bb;border-radius:14px;padding:8px}.game-actions{display:flex;gap:8px;align-items:center;justify-content:center;flex:0 0 auto}.icon-btn{display:inline-flex;align-items:center;gap:8px}.icon-btn svg{width:20px;height:20px;display:block}.tile{width:calc(var(--cell) - 8px);height:calc(var(--cell) - 8px);border-radius:10px;background:#fffaf2;border:1px solid #d0bdab;display:grid;place-items:center;position:relative;font-weight:900;font-size:calc(var(--cell) * .36);color:var(--blue);user-select:none;touch-action:none;cursor:grab}.tile.locked{display:grid;place-items:center;background:#edf8f1;border-color:rgba(34,139,91,.38);color:#17603d;cursor:default}.tile.validating{animation:word-pop .52s ease-out both}.tile .pts{position:absolute;right:5px;bottom:3px;font-size:calc(var(--cell) * .16);color:var(--orange);font-weight:900}.tile.dragging{position:fixed;z-index:1000;pointer-events:none;transform:translate(-50%,-50%) scale(1.06)}.ghost{opacity:.25}
  @keyframes word-pop{0%{transform:scale(1);border-color:rgba(34,139,91,.38)}45%{transform:scale(1.04);background:#f3f9f5;border-color:var(--ok)}100%{transform:scale(1);border-color:rgba(34,139,91,.38)}}
  .settings{display:grid;grid-template-columns:repeat(4,140px);gap:14px;justify-content:center;width:max-content;max-width:100%;margin:26px auto 0;padding-top:20px;border-top:1px solid var(--sand)}.settings label{display:grid;gap:6px;font-size:.76rem;color:var(--muted);font-weight:680}.settings input,.settings select{width:100%;border:1px solid var(--sand);border-radius:10px;padding:.6rem;background:white;color:var(--ink)}
  .dialog{max-width:760px;width:100%;max-height:90vh;overflow:auto;background:var(--white);border:1px solid var(--sand);border-radius:18px;padding:28px}.dialog h2{margin:0 0 4px;color:var(--blue);text-align:center;line-height:1.12}.dialog.small{max-width:760px}.end-actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:18px}
  @media(max-width:860px){body{overflow:auto}.screen{height:auto;min-height:100%}.level-grid{grid-template-columns:repeat(auto-fit,130px)}.app{height:auto;min-height:100%}.settings{grid-template-columns:repeat(auto-fit,minmax(120px,140px))}header{align-items:flex-start;flex-direction:column}.actions{justify-content:flex-start}.game-actions{justify-content:center}:root{--cell:46px;--gap:5px}}