*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f3f6fb;color:#172033}.wrap{max-width:920px;margin:0 auto;padding:28px 18px 50px}.brand{text-align:center;margin-bottom:20px}.brand h1{margin:5px 0 8px;font-size:30px}.brand p{margin:5px 0;color:#657085}.brand-icon{font-size:40px}.exam-info{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:16px}.exam-info span{background:#e8eefc;color:#27458f;border-radius:30px;padding:8px 14px;font-size:13px;font-weight:bold}.card{background:#fff;border-radius:18px;padding:30px;box-shadow:0 8px 30px rgba(31,45,70,.09)}.start-card{max-width:760px;margin:auto}.start-card h2{margin-top:0}.help{color:#667085;line-height:1.5}.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field label{display:block;font-weight:bold;margin-bottom:7px}.field input{width:100%;padding:13px 14px;border:1px solid #d5dce8;border-radius:10px;font-size:16px;outline:none}.field input:focus{border-color:#4169d8;box-shadow:0 0 0 3px #4169d81c}.btn{border:0;background:#315bd6;color:#fff;border-radius:10px;padding:13px 22px;font-size:16px;font-weight:bold;cursor:pointer;text-decoration:none;display:inline-block}.btn:hover{filter:brightness(.95)}.btn-wide{width:100%;margin-top:24px}.btn-secondary{background:#eef2f7;color:#25324a}.btn-finish{background:#16834b}.bad{color:#a61b1b}.alert{background:#fff0f0;padding:12px;border-radius:10px}.pass{color:#16834b}.fail{color:#c62828}.exam-header{display:flex;justify-content:space-between;align-items:center;text-align:left;gap:20px}.exam-header h1{font-size:25px}.question-counter{background:#e8eefc;color:#27458f;padding:10px 16px;border-radius:12px;white-space:nowrap}.progress{height:10px;background:#dfe5ef;border-radius:20px;overflow:hidden;margin:8px 0 8px}.progress div{height:100%;background:#315bd6;border-radius:20px;transition:width .2s}.save-note{text-align:center;font-size:13px;color:#607086;margin:8px 0 20px}.question-card{max-width:820px;margin:auto}.question-number{font-size:13px;font-weight:bold;color:#315bd6;letter-spacing:.5px;margin-bottom:12px}.question-card h2{font-size:23px;line-height:1.45;margin:0 0 24px}.options-list{display:flex;flex-direction:column;gap:12px}.option{display:flex;align-items:center;gap:12px;padding:16px;border:2px solid #e0e5ed;border-radius:12px;cursor:pointer;transition:.15s;font-size:17px}.option:hover{border-color:#9eb0df;background:#f8faff}.option.selected{border-color:#315bd6;background:#eef3ff}.option input{position:absolute;opacity:0}.option-letter{min-width:34px;height:34px;border-radius:50%;background:#eef1f6;display:flex;align-items:center;justify-content:center;font-weight:bold;color:#40506b}.selected .option-letter{background:#315bd6;color:#fff}.answer-box{width:100%;min-height:190px;border:2px solid #dce2eb;border-radius:12px;padding:16px;font-size:17px;line-height:1.5;resize:vertical;font-family:inherit;outline:none}.answer-box:focus{border-color:#315bd6}.nav-buttons{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:28px;padding-top:22px;border-top:1px solid #edf0f5}.question{background:#fff;border:1px solid #e3e7ee;border-radius:12px;padding:18px;margin:12px 0}.ok{color:#16834b;font-weight:bold}.question p{line-height:1.5}
@media(max-width:650px){.wrap{padding:18px 12px 35px}.brand h1{font-size:24px}.grid{grid-template-columns:1fr}.card{padding:20px}.exam-header{display:block;text-align:center}.question-counter{display:inline-block;margin-top:10px}.question-card h2{font-size:19px}.option{font-size:16px;padding:14px}.nav-buttons .btn{padding:12px 15px}.exam-info{gap:6px}.exam-info span{font-size:12px}}