:root{--bg:#eef7fb;--card:#ffffff;--ink:#14323f;--muted:#617985;--primary:#0d8db3;--primary2:#0f6b8b;--soft:#dff2f7;--danger:#b83232;--ok:#198754;--warn:#c28100;--shadow:0 20px 60px rgba(12,60,80,.16);}
*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:radial-gradient(circle at top left,#cdeff7,transparent 35%),linear-gradient(135deg,#eef7fb,#f8fcff);color:var(--ink)}
.app-shell{width:min(1100px,94vw);margin:0 auto;padding:34px 0}.screen{display:none}.screen.active{display:block}.hero-card,.question-card,.results-card,.correction-panel{background:rgba(255,255,255,.92);border:1px solid rgba(13,141,179,.14);border-radius:28px;box-shadow:var(--shadow);padding:34px}.hero-card{min-height:calc(100vh - 68px);display:flex;flex-direction:column;justify-content:center;align-items:flex-start;background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(229,247,252,.9))}.badge{display:inline-flex;padding:8px 13px;border-radius:999px;background:var(--soft);color:var(--primary2);font-weight:700;font-size:.85rem}h1{font-size:clamp(2.3rem,6vw,5.6rem);line-height:.95;margin:22px 0 18px;max-width:900px}h2{font-size:clamp(1.6rem,3vw,2.6rem);margin:.3rem 0}h3{font-size:clamp(1.4rem,2.3vw,2.3rem);line-height:1.18;margin:16px 0 24px}.lead{font-size:1.2rem;line-height:1.6;max-width:760px;color:var(--muted)}.rules-grid,.result-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;width:100%;margin:24px 0}.rules-grid div,.result-grid div{background:#f4fbfd;border:1px solid #d7edf3;border-radius:20px;padding:18px}.rules-grid strong,.result-grid strong{display:block;font-size:1.2rem}.rules-grid span,.result-grid span{display:block;color:var(--muted);margin-top:5px}.primary-btn,.secondary-btn{border:0;border-radius:16px;padding:15px 22px;font-weight:800;font-size:1rem;cursor:pointer;transition:.15s transform,.15s box-shadow}.primary-btn{background:linear-gradient(135deg,var(--primary),var(--primary2));color:white;box-shadow:0 12px 25px rgba(13,141,179,.24)}.secondary-btn{background:#e8f4f8;color:var(--primary2)}button:hover{transform:translateY(-1px)}button:disabled{opacity:.55;cursor:not-allowed;transform:none}.disclaimer{margin-top:22px;color:var(--muted);font-size:.92rem}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:20px}.time-label{font-size:1.1rem;font-weight:900;color:white;background:var(--primary);padding:9px 14px;border-radius:14px}.progress-box{min-width:220px;text-align:right;font-weight:800}.progress{height:10px;background:#dceff5;border-radius:999px;overflow:hidden;margin-top:8px}.progress div{height:100%;width:0;background:linear-gradient(90deg,var(--primary),#73cde1);transition:.3s}.scene-text{font-size:1.1rem;line-height:1.6;color:var(--muted);margin:0 0 8px}.answers{display:grid;gap:12px}.answer-btn{text-align:left;background:#f8fcfd;border:2px solid #d9edf3;border-radius:18px;padding:18px 18px;font-size:1.05rem;line-height:1.35;color:var(--ink)}.answer-btn:hover{border-color:var(--primary);background:#eef9fc}.score-ring{width:220px;height:220px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-direction:column;margin:22px auto;background:radial-gradient(circle,#fff 55%,#dff2f7 56%);border:14px solid var(--primary);box-shadow:inset 0 0 0 1px #c7e8f0}.score-ring span{font-size:3rem;font-weight:950}.score-ring small{color:var(--muted);font-weight:800}.certificate-zone{padding:18px;border-radius:20px;background:#f7fbfd;border:1px solid #dceff5;margin:20px 0}.field-row{display:grid;grid-template-columns:1fr 1fr auto;gap:12px}.field-row input{border:2px solid #d9edf3;border-radius:14px;padding:14px;font-size:1rem}.actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.hidden{display:none}.correction-panel{margin-top:26px}.correction-item{border:1px solid #dceff5;background:#fbfeff;border-radius:18px;padding:18px;margin:12px 0}.correction-item.good{border-left:7px solid var(--ok)}.correction-item.bad{border-left:7px solid var(--danger)}.correction-item h4{margin:0 0 10px;font-size:1.15rem}.correction-item p{margin:8px 0;line-height:1.5}.tag{display:inline-flex;border-radius:999px;background:#edf7fa;color:var(--primary2);padding:4px 9px;font-size:.8rem;font-weight:800;margin-left:6px}@media(max-width:760px){.rules-grid,.result-grid{grid-template-columns:1fr}.topbar{display:block}.progress-box{text-align:left;margin-top:16px}.field-row{grid-template-columns:1fr}.hero-card,.question-card,.results-card,.correction-panel{padding:22px;border-radius:22px}.score-ring{width:180px;height:180px}.score-ring span{font-size:2.4rem}}