.futs-app{--ink:#172238;--muted:#64748b;--line:#e2e8f0;--accent:#174ea6;--soft:#f7f9fc;max-width:1000px;margin:24px auto;color:var(--ink);font-family:inherit;line-height:1.55}
.futs-app *{box-sizing:border-box}.futs-hero{padding:34px 32px;border-radius:18px;background:linear-gradient(130deg,#102b52,#1c5796);color:#fff;overflow:hidden}.futs-kicker{font-size:11px;font-weight:800;letter-spacing:1.7px;opacity:.84}.futs-hero h2{color:#fff;font-size:clamp(28px,4vw,40px);line-height:1.15;margin:10px 0 12px}.futs-hero p{max-width:700px;margin:0;color:#e5edf9}.futs-stats{display:flex;gap:34px;flex-wrap:wrap;margin-top:26px}.futs-stats div{display:flex;flex-direction:column}.futs-stats strong{font-size:22px;color:#fff}.futs-stats span{font-size:12px;color:#d3e1f5}
.futs-controls{display:flex;align-items:end;gap:12px;flex-wrap:wrap;padding:20px;background:var(--soft);border:1px solid var(--line);border-radius:14px;margin:18px 0 10px}.futs-field{display:flex;flex-direction:column;gap:6px;flex:1;min-width:145px}.futs-field label{font-size:12px;font-weight:750;color:#475569}.futs-field select{width:100%;padding:11px 12px;border:1px solid #cbd5e1;border-radius:9px;background:#fff;color:#172238;font:inherit}.futs-btn{border:0!important;border-radius:9px!important;background:var(--accent)!important;color:#fff!important;padding:12px 20px!important;font-weight:750!important;cursor:pointer!important;line-height:1.4!important;box-shadow:none!important}.futs-btn:hover{background:#103b7c!important}.futs-btn:disabled{opacity:.55;cursor:default!important}.futs-bank-note{font-size:12px;color:var(--muted);padding:0 4px 10px}
.futs-progress-wrap{margin:22px 0}.futs-progress-meta{display:flex;justify-content:space-between;gap:12px;font-size:12px;font-weight:700;color:var(--muted);margin-bottom:8px}.futs-progress{height:7px;border-radius:10px;background:#e8edf5;overflow:hidden}.futs-progress span{display:block;width:0;height:100%;background:#2b72c7;transition:width .2s}
.futs-welcome{text-align:center;padding:44px 20px;border:1px dashed #cbd5e1;border-radius:14px;background:#fff}.futs-welcome-icon{width:44px;height:44px;display:grid;place-items:center;margin:0 auto 12px;border-radius:50%;background:#e8f2ff;color:#174ea6;font-size:24px;font-weight:800}.futs-welcome h3{margin:0 0 8px;font-size:22px}.futs-welcome p{max-width:570px;margin:0 auto;color:var(--muted)}
.futs-question{border:1px solid var(--line);border-radius:14px;background:#fff;padding:22px;margin:16px 0;box-shadow:0 4px 16px rgba(15,23,42,.035)}.futs-question-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}.futs-q-number{font-size:11px;font-weight:850;letter-spacing:1px;color:#64748b}.futs-q-meta{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.futs-q-topic,.futs-q-difficulty{font-size:11px;font-weight:700;padding:4px 9px;border-radius:20px}.futs-q-topic{color:#174ea6;background:#edf4ff}.futs-q-difficulty{color:#52627a;background:#f1f5f9}.futs-q-difficulty.hard{color:#8b3d10;background:#fff1df}.futs-q-title{font-size:18px;line-height:1.48;margin:0 0 18px;color:var(--ink)}.futs-options{display:grid;gap:9px}.futs-option{display:flex;align-items:center;gap:10px;padding:12px 13px;border:1px solid #dce3ec;border-radius:10px;cursor:pointer;transition:background .15s,border-color .15s}.futs-option:hover{border-color:#8aa9d7;background:#f8fbff}.futs-option input{margin:0;accent-color:#174ea6;flex:0 0 auto}.futs-option-letter{display:grid;place-items:center;flex:0 0 28px;width:28px;height:28px;border-radius:7px;background:#f1f5f9;color:#475569;font-size:12px;font-weight:800}.futs-option-text{flex:1}.futs-option.is-selected{border-color:#3978c8;background:#eff6ff}.futs-option.is-correct{border-color:#1b8b5a;background:#edfbf4}.futs-option.is-correct .futs-option-letter{background:#d2f4e1;color:#11633e}.futs-option.is-wrong{border-color:#d94b4b;background:#fff1f1}.futs-option.is-wrong .futs-option-letter{background:#ffe0e0;color:#a21c1c}.futs-actions{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;padding:12px 2px}.futs-note{font-size:12px;color:var(--muted)}.futs-results{padding:25px;border:1px solid #d7e5f8;border-radius:14px;background:#f5f9ff;margin:24px 0}.futs-result-eyebrow{font-size:11px;letter-spacing:1.5px;font-weight:850;color:#174ea6}.futs-result-heading{margin:5px 0 12px;font-size:25px}.futs-scoreline{display:flex;align-items:baseline;gap:12px}.futs-score{font-size:36px;line-height:1.3}.futs-percent{font-size:15px;color:#52627a}.futs-result-meter{height:9px;background:#dce7f6;border-radius:9px;overflow:hidden;margin:13px 0}.futs-result-meter span{display:block;height:100%;background:#1d66b3}.futs-result-stats{display:flex;gap:22px;flex-wrap:wrap;color:#52627a;font-size:13px;margin:10px 0 20px}.futs-explanation{padding:13px 14px;border-radius:9px;margin-top:14px;font-size:13px}.futs-explanation p{margin:6px 0}.futs-explanation.good{background:#effaf4;color:#16633e;border:1px solid #c7ecd7}.futs-explanation.review{background:#fff8e9;color:#7b5011;border:1px solid #f4dfb4}.futs-source-note{display:block;opacity:.8;margin-top:7px}.futs-empty{padding:20px;background:#fff8e9;border-radius:10px}.futs-footer{font-size:12px;color:#718096;text-align:center;padding:20px 8px}.futs-app [hidden]{display:none!important}
@media(max-width:620px){.futs-hero{padding:26px 20px}.futs-stats{gap:18px}.futs-controls{align-items:stretch}.futs-field{width:100%;min-width:0}.futs-controls .futs-btn{width:100%}.futs-question{padding:16px}.futs-q-title{font-size:16px}.futs-actions .futs-btn{width:100%}.futs-progress-meta{font-size:11px}}