.landing-page{text-align:center;padding:20px 15px;font-family:Arial,sans-serif;color:var(--foreground);max-width:900px;margin:0 auto}header h1{font-size:2rem;font-weight:700;margin-bottom:8px;animation:fadeInDown .8s ease forwards}header p{font-size:1.1rem;color:#555;margin-bottom:25px;animation:fadeInDown 1s ease forwards}.button-group,.category-selection{margin-top:20px}.button-group{display:flex;flex-wrap:wrap;gap:15px;justify-content:center}button{padding:12px 24px;font-size:16px;font-weight:700;border:none;border-radius:8px;color:#fff;background-color:var(--primary-color);cursor:pointer;transition:background-color .3s ease,transform .2s ease;box-shadow:0 4px 10px var(--button-shadow)}button:focus-visible,button:hover{background-color:var(--primary-color-hover);transform:scale(1.05);outline-offset:4px;outline:3px solid var(--focus-outline)}.add-question{margin:40px auto 20px;padding:20px;max-width:600px;background:#f4f4f4;border-radius:8px;box-shadow:0 4px 10px rgba(0,0,0,.1);text-align:center;animation:fadeIn 1.2s ease forwards}.add-question h3{font-size:1.5rem;font-weight:700;color:var(--primary-color);margin-bottom:12px}.add-question form{display:flex;flex-direction:column;gap:12px}.add-question input,.add-question textarea{padding:10px;font-size:16px;border:1px solid #ccc;border-radius:4px;transition:border-color .3s ease}.add-question input:focus,.add-question textarea:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 5px var(--primary-color);transition:border-color .3s ease,box-shadow .3s ease}.add-question textarea{resize:vertical;min-height:80px}.add-question button{align-self:center;padding:10px 20px;font-size:16px;background-color:var(--primary-color);color:#fff;border:none;border-radius:5px;cursor:pointer;transition:background-color .3s ease,transform .2s ease}.add-question button:focus-visible,.add-question button:hover{background-color:var(--primary-color-hover);transform:scale(1.05);outline-offset:4px;outline:3px solid var(--focus-outline)}.questions-display{margin-top:40px;min-height:150px;animation:fadeIn 1.4s ease forwards}ul{list-style-type:none;padding:0;max-width:800px;margin:0 auto}li{margin:12px auto;padding:14px 20px;font-size:18px;cursor:pointer;border:1.5px solid var(--foreground);border-radius:6px;transition:background-color .2s ease,box-shadow .2s ease,color .2s ease;text-align:left;max-width:90%;overflow-wrap:break-word;user-select:none}li:focus-visible,li:hover{background-color:#f9f9f9;box-shadow:0 2px 8px rgba(0,0,0,.1);color:var(--primary-color);outline-offset:4px;outline:3px solid var(--focus-outline)}p{color:var(--foreground);font-size:1.1rem}.error-message{color:#b00020;font-weight:600}.empty-message,.error-message{margin:20px auto;max-width:600px;text-align:center}.empty-message{font-style:italic;color:#555}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media only screen and (max-width:768px){.landing-page{padding:15px 10px}header h1{font-size:1.8rem}header p{font-size:1rem;margin-bottom:20px}.button-group{flex-direction:column}button{width:100%;max-width:280px;margin:0 auto}.add-question{width:90%;padding:15px}li{font-size:16px;max-width:100%;padding:12px 15px}}@media only screen and (max-width:400px){header h1{font-size:1.5rem}.add-question h3{font-size:1.3rem}button{font-size:14px;padding:10px 18px}li{font-size:15px;padding:10px 12px}}