.validation-case { border-top: 5px solid #007c82; }
.validation-grid, .validation-results { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px; margin: 18px 0; }
.validation-grid div, .validation-results div { background: #eef5f6; border: 1px solid #d4e4e7; border-radius: 7px; padding: 12px 14px; }
.validation-grid span, .validation-results span { display: block; color: #5d7180; font-size: .76rem; }
.validation-grid strong, .validation-results strong { display: block; margin-top: 3px; font-size: .92rem; }
.button-link { display: inline-block; text-decoration: none; border-radius: 6px; padding: 10px 15px; background: #e6eff2; color: #1a4a5d; font-size: .87rem; font-weight: 650; margin: 8px 0; }
.validation-results strong.pass { color: #08734f; }
.validation-results strong.fail { color: #a02a21; }