.validation-lesson .lesson-header h1{overflow-wrap:anywhere;hyphens:auto}.validation-lab{margin:28px 0;padding:24px;border:1px solid #d6dce4;border-radius:16px;background:#f0f2f5;min-width:0}.validation-presets{display:flex;flex-wrap:wrap;gap:10px}.validation-lab button{min-height:44px;padding:10px 14px;border:1px solid #64748b;border-radius:8px;background:white;color:#172033;font:inherit;font-size:14px;cursor:pointer}.validation-lab>p:not(.eyebrow){font-size:14px}.validation-lab form{padding:24px;margin-top:24px;border:1px solid #d6dce4;border-radius:12px;background:white;min-width:0}.validation-lab form>h3{font-size:27px;line-height:1.3;margin:0 0 12px}.validation-lab form>p{font-size:14px}.validation-lab .validation-clock{color:#475569;font-size:13px}.validation-fields{display:grid;gap:10px;margin:24px 0}.validation-field{min-width:0}.validation-field label{display:block;font-size:15px;font-weight:600}.validation-field .validation-help{font-size:13px;color:#475569;margin:6px 0 10px;line-height:1.7}.validation-field input{display:block;width:100%;min-width:0;min-height:48px;padding:12px;border:1px solid #64748b;border-radius:7px;background:#fff;color:#172033;font:inherit;font-size:16px}.validation-field input[aria-invalid=true]{border:2px solid #a61b1b;padding:11px}.validation-lab :is(input,button,a):focus-visible{outline:3px solid #2558ed;outline-offset:3px}.validation-feedback{min-height:70px;padding-top:8px}.validation-feedback .validation-error{color:#a61b1b;font-size:14px;line-height:1.7;margin:0}.validation-success,.validation-summary{padding:18px;margin:24px 0;border:2px solid #a61b1b;border-radius:8px;background:#fff7f7}.validation-success h4,.validation-summary h4{font-size:19px;line-height:1.5;margin:0}.validation-summary ul{padding-left:20px;margin:12px 0}.validation-summary li{margin:10px 0;font-size:14px}.validation-summary a{color:#9b1c1c;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}.validation-lab .validation-success p,.validation-lab .validation-summary p{font-size:14px;margin-bottom:0}.validation-success:focus,.validation-summary:focus{outline:3px solid #2558ed;outline-offset:4px}.validation-success{border-color:#24654e;background:#f2faf6}.validation-lab .validation-submit{background:#1746d4;color:white;border-color:#1746d4}.validation-lab .validation-submit:disabled{background:#e5e7eb;color:#475569;border-color:#64748b;cursor:default}.validation-lab .validation-note{font-size:13px;color:#475569}.validation-field input{scroll-margin-top:130px}@media(max-width:600px){.validation-lab,.validation-lab form{padding:16px}.validation-success,.validation-summary{padding:14px}.validation-feedback{min-height:110px}}