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ease;flex-shrink:0}.modal-close:hover{color:var(--color-text, #e8e6e3);border-color:var(--color-text-muted, #9a9590)}.modal-body{padding:1.5rem}.modal-body p{color:var(--color-text, #e8e6e3);margin:0 0 .5rem}.delete-test-title{font-weight:600;color:var(--color-accent, #e07a2f)!important}.delete-warning{color:var(--color-text-muted, #9a9590)!important;font-size:.9rem}.modal-footer{display:flex;justify-content:flex-end;gap:1rem;padding:1.25rem 1.5rem;border-top:1px solid var(--color-border, #3d3a38);background:#00000026}.btn-cancel{padding:.75rem 1.5rem;background:transparent;border:1px solid var(--color-border, #3d3a38);border-radius:8px;color:var(--color-text, #e8e6e3);font-size:.9rem;cursor:pointer;transition:all .2s ease}.btn-cancel:hover:not(:disabled){border-color:var(--color-text-muted, #9a9590)}.btn-delete{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;background:#ff4a4a;border:none;border-radius:8px;color:#fff;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s ease}.btn-delete:hover:not(:disabled){background:#e03e3e}.btn-delete:disabled,.btn-cancel:disabled{opacity:.6;cursor:not-allowed}@media(max-width:768px){.tests-admin{padding:1rem}.tests-admin-title-row{flex-direction:column;align-items:flex-start}.btn-create{width:100%;justify-content:center}.tests-admin-controls{flex-direction:column;align-items:stretch}.search-box{flex:none;width:100%;max-width:none}.control-buttons{margin-left:0;width:100%}.filter-toggle,.clear-all-btn{flex:1;justify-content:center}.filters-panel{flex-direction:column;gap:1.5rem}.filter-group{width:100%}.filter-select,.filter-input{width:100%;min-width:unset}.sort-buttons{width:100%}.sort-btn{flex:1;justify-content:center}.tests-grid{grid-template-columns:1fr}}.tests-page__header{margin-bottom:var(--margin-md)}.tests-page__title{font-size:var(--font-size-heading);font-weight:var(--font-weight-bold);color:var(--text-primary);margin:0 0 .5rem}.tests-page__subtitle{font-size:var(--font-size-md);color:var(--text-primary);opacity:.6;margin:0;line-height:var(--line-height-relaxed)}.tests-page__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}.test-card{background-color:var(--primary-color);border-radius:var(--border-radius-md);padding:1.5rem;cursor:pointer;transition:transform var(--animation-fast) var(--ease-default),box-shadow var(--animation-fast) var(--ease-default);border:1px solid rgba(59,130,246,.1);text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:.75rem}.test-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#3b82f64d}.test-card:focus-visible{outline:2px solid var(--secondary-color);outline-offset:2px}.test-card__image-wrapper{width:100%;aspect-ratio:16 / 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.6rem;border-radius:var(--border-radius-sm);font-size:.75rem;font-weight:var(--font-weight-medium)}.test-card__badge--not-passed{background-color:#3b82f626;color:var(--secondary-color)}.test-card__badge--passed{background-color:#10b98126;color:var(--accent-color)}@media(max-width:1024px){.tests-page__grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.tests-page__grid{grid-template-columns:1fr}.tests-page__title{font-size:var(--font-size-xxl)}}.test-runner{max-width:700px;margin:0 auto}.test-runner__header{margin-bottom:var(--margin-md)}.test-runner__title{font-size:var(--font-size-xxl);font-weight:var(--font-weight-bold);color:var(--text-primary);margin:0 0 .5rem}.test-runner__progress{font-size:var(--font-size-sm);color:var(--text-primary);opacity:.6}.test-runner__progress-bar{width:100%;height:4px;background-color:#3b82f626;border-radius:2px;margin-top:.75rem;overflow:hidden}.test-runner__progress-fill{height:100%;background-color:var(--secondary-color);border-radius:2px;transition:width var(--animation-fast) var(--ease-default)}.test-question{background-color:var(--primary-color);border-radius:var(--border-radius-md);padding:2rem;border:1px solid rgba(59,130,246,.1)}.test-question__text{font-size:var(--font-size-xl);font-weight:var(--font-weight-medium);color:var(--text-primary);margin:0 0 1.5rem;line-height:var(--line-height-relaxed)}.test-question__answers{display:flex;flex-direction:column;gap:.75rem}.test-question__answer{padding:1rem 1.25rem;border-radius:var(--border-radius-sm);border:1px solid rgba(59,130,246,.15);background-color:#0f172a80;cursor:pointer;transition:all var(--animation-fast) 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var(--ease-bounce)}.footer-social-link:hover{background:#3b82f633;border-color:#3b82f666;transform:translateY(-2px)}.footer-social-icon{width:20px;height:20px;-o-object-fit:contain;object-fit:contain}.footer-bottom{border-top:1px solid rgba(59,130,246,.1)}.footer-bottom-container{max-width:1400px;margin:0 auto;padding:1.25rem 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}.footer-copyright{margin:0;font-size:var(--font-size-sm);color:#f1f5f980}.footer-made{margin:0;font-size:var(--font-size-sm);color:#f1f5f966}@media(max-width:1024px){.footer-container{grid-template-columns:1fr 1fr 1fr;gap:2rem}.footer-brand{grid-column:1 / -1;max-width:100%;text-align:center}}@media(max-width:768px){.footer-container{grid-template-columns:1fr 1fr;padding:2.5rem 1.5rem 2rem;gap:1.5rem}.footer-brand{grid-column:1 / -1}.footer-social-icons{justify-content:flex-start}.footer-bottom-container{flex-direction:column;text-align:center;gap:.5rem;padding:1rem 1.5rem}}@media(max-width:480px){.footer-container{grid-template-columns:1fr;padding:2rem 1rem 1.5rem;gap:1.5rem;text-align:center}.footer-social-icons{justify-content:center}.footer-nav-link:hover{transform:none}.footer-bottom-container{padding:1rem}}.back-to-top{position:fixed;bottom:2rem;right:2rem;z-index:100;width:56px;height:56px;display:flex;align-items:center;justify-content:center;background:var(--secondary-color, #3B82F6);border:2px solid var(--secondary-color, #3B82F6);border-radius:50%;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(20px);transition:opacity .3s ease,visibility .3s ease,transform .3s ease,background .2s ease,box-shadow .2s ease;box-shadow:0 4px 16px #3b82f666}.back-to-top:hover{background:var(--tertiary-color, #F97316);border-color:var(--tertiary-color, #F97316);transform:translateY(-4px);box-shadow:0 6px 24px #f9731680}.back-to-top:active{transform:translateY(0)}.back-to-top--visible{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top:focus-visible{outline:3px solid var(--accent-color, #10B981);outline-offset:3px}.back-to-top svg{color:#fff;transition:transform .2s ease}.back-to-top:hover svg{transform:translateY(-2px)}@media(max-width:480px){.back-to-top{bottom:1.5rem;right:1rem;width:40px;height:40px}.back-to-top svg{width:18px;height:18px}}.layout{display:flex;flex-direction:column;min-height:100vh}.layout-content{flex:1;width:100%;max-width:1400px;margin:0 auto;padding:2rem 1.5rem}@media(max-width:768px){.layout-content{padding:1.5rem 1rem}}@media(max-width:480px){.layout-content{padding:1rem .75rem}}