.question-bank{max-width:1200px;margin:0 auto;padding:2rem;font-family:Arial,sans-serif}@media (max-width: 600px){.question-bank{padding:1rem}h1{font-size:1.8rem;text-align:center}.search-container{margin-bottom:1.5rem}.search-input{padding:1rem;font-size:1.1rem}}.search-container{margin-bottom:2rem;position:sticky;top:0;background-color:#fff;padding:1rem 0;z-index:100;box-shadow:0 2px 4px #0000001a}.search-input{width:100%;padding:.8rem;font-size:1rem;border:1px solid #ddd;border-radius:4px;margin-bottom:1rem;box-sizing:border-box}.nav-controls{display:flex;justify-content:flex-end;margin-bottom:1rem}.reset-button{padding:.5rem 1rem;background-color:#f44336;color:#fff;border:none;border-radius:4px;cursor:pointer;transition:background-color .3s ease}.reset-button:hover{background-color:#d32f2f}@media (max-width: 600px){.nav-controls{justify-content:center}.reset-button{width:100%}}.questions-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}@media (max-width: 600px){.questions-list{grid-template-columns:1fr;gap:1rem}}.question-card{background-color:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 10px #00000014;transition:transform .3s ease,box-shadow .3s ease}.question-card:hover{transform:translateY(-5px);box-shadow:0 5px 15px #0000001f}.question-number{font-weight:700;color:#555;margin-bottom:.5rem}.question-text{font-size:1.1rem;margin-bottom:1rem}@media (max-width: 768px){.question-text{font-size:1rem}.option-item{padding:1rem;font-size:.95rem;margin-bottom:.5rem;border-radius:4px;cursor:pointer;transition:background-color .2s ease}.option-item:hover{background-color:#f0f0f0}.option-item.selected{background-color:#e3f2fd;border-left:4px solid #2196f3}.option-letter{display:inline-block;width:28px;height:28px;line-height:28px;text-align:center;background-color:#f0f0f0;border-radius:50%;margin-right:.8rem;font-weight:700}.option-letter{width:28px;height:28px;line-height:28px}}.options-list{margin-bottom:1rem}.option-item{padding:.8rem;margin-bottom:.5rem;border:1px solid #ddd;border-radius:4px;cursor:pointer;transition:background-color .2s;display:flex;align-items:center}.option-item:hover{background-color:#e6f7ff}.option-item.selected{background-color:#e6f7ff;border-color:#1890ff}.option-item.correct-answer{background-color:#e6ffed;border-color:#52c41a;font-weight:700}@media (max-width: 768px){.option-item.correct-answer{border-left:4px solid #52c41a}}.option-letter{display:inline-block;width:24px;height:24px;background-color:#1890ff;color:#fff;border-radius:50%;text-align:center;line-height:24px;margin-right:10px;font-weight:700}.result-feedback{margin-top:1rem;padding:.8rem;border-radius:4px;font-weight:700;text-align:center;transition:all .3s ease}.correct{background-color:#e6ffed;color:#00875a;border:1px solid #b7eb8f}.incorrect{background-color:#fff2f0;color:#f5222d;border:1px solid #ffccc7}.pagination-controls{display:flex;justify-content:space-between;align-items:center;margin:1.5rem 0;padding:.5rem;background-color:#f9f9f9;border-radius:4px;overflow-x:auto;white-space:nowrap}.pagination-controls button{padding:.5rem .8rem;margin:0 .1rem;border:1px solid #ddd;background-color:#fff;border-radius:4px;cursor:pointer;white-space:nowrap}.pagination-controls button:hover:not(:disabled){background-color:#e6f7ff;border-color:#1890ff}.pagination-controls button:disabled{background-color:#f0f0f0;cursor:not-allowed}.pagination-controls button.active{background-color:#1890ff;color:#fff;border-color:#1890ff}.page-jump{display:flex;align-items:center;margin:0 .5rem}.page-input{width:50px;padding:.5rem;margin:0 .3rem;border:1px solid #ddd;border-radius:4px;text-align:center}@media (max-width: 600px){.pagination-controls{justify-content:space-between;padding:.3rem}.pagination-controls button{padding:.4rem .6rem;font-size:.8rem}.page-jump{margin:0 .3rem}.page-input{width:40px;padding:.4rem;font-size:.8rem}}@media (max-width: 768px){.questions-list{grid-template-columns:1fr}}:root{font-family:Inter,Avenir,Helvetica,Arial,sans-serif;font-size:16px;line-height:24px;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}