:root{--bg:#0b0d12;--bg-elev:#11151c;--panel:#0e1117;--text:#e6e9ef;--muted:#98a2b3;--primary:#fde68a;--primary-2:#facc15;--ok:#34d399;--warn:#fbbf24;--err:#f87171;--border:#1f2937;--card-radius:16px;--shadow:0 10px 30px rgba(0,0,0,.35)}
    *{box-sizing:border-box}
    html,body{height:100%}
    body{margin:0;background:var(--bg);color:var(--text);font:18px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif}
    .app{max-width:920px;margin:0 auto;padding:24px;padding-top:calc(var(--hdr-h, 140px) + 8px);padding-bottom:40vh;font-size:var(--content-fz,18px)}
    header{position:fixed;top:0;left:0;right:0;z-index:10;background:rgba(14,17,23,.7);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
    .hdr{display:flex;flex-direction:column;align-items:stretch;gap:8px;max-width:920px;margin:0 auto;padding:12px 24px}
    .hdr-top{display:flex;align-items:center;gap:16px}
    .badge{padding:0;border:none;border-radius:0;background:none;color:var(--muted)}
    .title{font-size:18px;font-weight:700}
    .spacer{flex:1}
    .btn{appearance:none;border:none;cursor:pointer;border-radius:12px;padding:10px 14px;color:#0b0d12;background:var(--primary);font-weight:700;box-shadow:var(--shadow)}
    .btn:disabled{opacity:.6;cursor:not-allowed}
    .progress{height:8px;background:#0c1220;border:1px solid var(--border);border-radius:999px;overflow:hidden}
    .progress>i{display:block;height:100%;background:var(--primary);width:0%}
    .hdr-progress{display:flex;align-items:center;gap:12px}
    .hdr-progress .progress{flex:1}
    .step{width:100%;margin-left:auto;margin-right:auto;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--card-radius);padding:18px;box-shadow:none;margin:16px 0}
    @media (max-width:740px){.step{max-width:100%;margin-left:0;margin-right:0}}
    .theory{color:var(--text)}
    .options{display:grid;gap:10px;margin:12px 0}
    .option{display:flex;gap:10px;align-items:center;border:1px solid var(--border);padding:10px;border-radius:12px;background:#0b1220}
    .option input{transform:scale(1.2)}
    .actions{display:flex;gap:10px;align-items:center;margin-top:12px}
    .hint{font-size:13px;color:var(--muted)}
    .muted{color:var(--muted)}
    .hidden{display:none}
    .disabled{opacity:.9}
    .match-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:12px}
    .match-row{display:flex;gap:10px;align-items:center;margin:8px 0}
    .match-row label{flex:1}
    .match-row select{background:#0f172a;border:1px solid var(--border);color:var(--text);padding:8px;border-radius:8px;width:220px;font-size:inherit}
    .success{border-color:rgba(52,211,153,.4)}
    .error{border-color:rgba(248,113,113,.5)}
    .toast{position:fixed;right:18px;bottom:18px;background:#111827;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px;padding:12px 14px}
    .chips,.token-tray{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
    .chip{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--border);border-radius:8px;background:#0b1220;user-select:none;cursor:pointer}
    .chip[draggable="true"]{cursor:pointer}
    .chip.ok{border-color:rgba(52,211,153,.4)}
    .chip.bad{border-color:rgba(248,113,113,.5)}
    .buckets{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:12px}
    .bucket{min-height:120px;border:1px dashed var(--border);border-radius:12px;padding:10px;background:#0b1220}
    .bucket-title{font-size:inherit;color:var(--muted);margin-bottom:6px}
    .blank{display:inline-flex;min-width:100px;min-height:2.4em;padding:6px 8px;border:1px dashed var(--border);border-radius:8px;vertical-align:middle;background:#0b1220;margin:0 6px;align-items:center;justify-content:center}
    .blank.filled{border-style:solid;padding:4px 6px;}
    .blank.ok{border-color:rgba(52,211,153,.4)}
    .blank.bad{border-color:rgba(248,113,113,.5)}
	.blank .chip{padding:4px 8px;background:transparent;border:none;margin:0;}
    .order-list{list-style:none;padding:0;margin:12px 0}
    .order-list li{background:#0b1220;border:1px solid var(--border);border-radius:10px;padding:10px;margin:8px 0;cursor:grab}
    .order-list li.ok{border-color:rgba(52,211,153,.4)}
    .order-list li.bad{border-color:rgba(248,113,113,.5)}
    .option.ok{border-color:rgba(52,211,153,.4)}
    .option.bad{border-color:rgba(248,113,113,.5)}
  .hdr-title{display:flex;justify-content:center;align-items:center;text-align:center}
.hdr-sub{display:flex;align-items:center;gap:12px}
.hdr-sub .spacer{flex:1}
:root{--content-fz:18px}
#btnFontPlus,#btnFontMinus{background:#d1d5db;color:#0b0d12}
.app .btn{font-size:inherit}
.app select{font-size:inherit}
.chip.struck{background:rgba(248,113,113,.2);border-color:rgba(248,113,113,.5);text-decoration:line-through}