.mc-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px;background:linear-gradient(135deg,#1e1b4b,#7c2d12);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.mc-card,.mc-page{box-sizing:border-box}.mc-card{width:100%;max-width:480px;padding:28px 24px;background-color:#f8fafc;border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,.35);color:#1e293b;text-align:center}.mc-title{margin:0 0 6px;font-size:2.2em;font-weight:800;color:#b91c1c}.mc-subtitle{margin:0 0 20px;color:#475569}.mc-difficulties{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:18px}.mc-difficulty{display:flex;flex-direction:column;align-items:center;gap:4px;padding:14px 6px;border:3px solid transparent;border-radius:12px;background-color:#e2e8f0;color:#1e293b;cursor:pointer;transition:transform .1s ease,border-color .2s ease}.mc-difficulty:hover{transform:translateY(-2px)}.mc-difficulty-name{font-size:1.2em;font-weight:700}.mc-difficulty-time{font-size:.8em;color:#475569}.mc-easy.mc-selected{border-color:#16a34a;background-color:#dcfce7}.mc-medium.mc-selected{border-color:#d97706;background-color:#fef3c7}.mc-hard.mc-selected{border-color:#dc2626;background-color:#fee2e2}.mc-rules{margin:0 0 20px;padding-left:20px;text-align:left;font-size:.95em;color:#334155;line-height:1.5}.mc-best{margin:14px 0 0;color:#475569}.mc-new-best{margin:0 0 16px;font-weight:700;color:#16a34a}.mc-primary,.mc-secondary{padding:12px 26px;border:none;border-radius:8px;font-size:1.1em;font-weight:600;cursor:pointer;transition:background-color .2s ease,transform .1s ease}.mc-primary{background-color:#b91c1c;color:#fff}.mc-primary:hover:not(:disabled){background-color:#991b1b;transform:translateY(-2px)}.mc-secondary{background-color:#e2e8f0;color:#1e293b}.mc-secondary:hover{background-color:#cbd5e1}.mc-primary:disabled{opacity:.5;cursor:default}.mc-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.mc-final-score{margin:10px 0 4px;font-size:4em;font-weight:800;color:#1e293b}.mc-hud{display:flex;justify-content:space-between;font-weight:700;font-size:1.1em;margin-bottom:10px}.mc-hud span{color:#b91c1c}.mc-hud>span:not(:last-child){color:#1e293b}.mc-lost{color:#cbd5e1!important}.mc-progress{display:flex;justify-content:center;gap:6px;margin-bottom:14px}.mc-pip{width:14px;height:14px;border-radius:50%;background-color:#cbd5e1;transition:background-color .2s ease}.mc-pip-done{background-color:#16a34a}.mc-timer{height:12px;border-radius:6px;background-color:#e2e8f0;overflow:hidden}.mc-timer-fill{height:100%;transition:width .1s linear}.mc-ok{background-color:#16a34a}.mc-warn{background-color:#d97706}.mc-danger{background-color:#dc2626}.mc-timer-text{margin-top:4px;font-size:.9em;color:#475569}.mc-problem{margin:18px 0 22px;font-size:3.4em;font-weight:800;color:#1e293b}.mc-form{display:flex;justify-content:center;gap:10px}.mc-input{width:150px;padding:12px;border:2px solid #cbd5e1;border-radius:8px;font-size:1.4em;text-align:center;box-sizing:border-box}.mc-input:focus{border-color:#b91c1c;outline:none}.mc-feedback{min-height:70px;margin-top:18px;font-size:1.4em;font-weight:700}.mc-correct{color:#16a34a}.mc-incorrect{color:#dc2626}.mc-level-up{margin-top:8px;font-size:.9em;color:#7c3aed}