.leap-year-calculator[data-astro-cid-lcedcbvo]{max-width:600px;margin:0 auto;padding:20px}.calculator-card[data-astro-cid-lcedcbvo]{background:linear-gradient(135deg,#6366f1,#8b5cf6);border-radius:20px;padding:40px;box-shadow:0 20px 60px #6366f14d}.calculator-card[data-astro-cid-lcedcbvo] h2[data-astro-cid-lcedcbvo]{color:#fff;font-size:2rem;margin-bottom:10px;text-align:center}.description[data-astro-cid-lcedcbvo]{color:#ffffffe6;text-align:center;margin-bottom:30px;font-size:1rem}.input-section[data-astro-cid-lcedcbvo]{margin-bottom:20px}.input-section[data-astro-cid-lcedcbvo] label[data-astro-cid-lcedcbvo]{display:block;color:#fff;font-weight:600;margin-bottom:10px;font-size:1.1rem}.input-section[data-astro-cid-lcedcbvo] input[data-astro-cid-lcedcbvo][type=number]{width:100%;padding:15px 20px;font-size:1.2rem;border:2px solid rgba(255,255,255,.3);border-radius:12px;background:#fffffff2;color:#333;cursor:pointer;transition:all .3s ease}.input-section[data-astro-cid-lcedcbvo] input[data-astro-cid-lcedcbvo][type=number]:hover{background:#fff;border-color:#fff9}.input-section[data-astro-cid-lcedcbvo] input[data-astro-cid-lcedcbvo][type=number]:focus{outline:none;background:#fff;border-color:#fff;box-shadow:0 0 0 4px #fff3}.range-section[data-astro-cid-lcedcbvo]{display:grid;gap:15px;margin-bottom:25px}.range-section[data-astro-cid-lcedcbvo] label[data-astro-cid-lcedcbvo]{color:#fff;font-weight:600;font-size:1rem}.range-section[data-astro-cid-lcedcbvo] input[data-astro-cid-lcedcbvo][type=number]{width:100%;padding:12px 15px;font-size:1.1rem;border:2px solid rgba(255,255,255,.3);border-radius:10px;background:#fffffff2;color:#333;transition:all .3s ease}.range-section[data-astro-cid-lcedcbvo] input[data-astro-cid-lcedcbvo][type=number]:focus{outline:none;background:#fff;border-color:#fff;box-shadow:0 0 0 4px #fff3}.check-btn[data-astro-cid-lcedcbvo],.find-btn[data-astro-cid-lcedcbvo],.reset-btn[data-astro-cid-lcedcbvo]{width:100%;padding:16px;font-size:1.2rem;font-weight:600;border:none;border-radius:12px;cursor:pointer;transition:all .3s ease;margin-bottom:10px}.check-btn[data-astro-cid-lcedcbvo]{background:#fff;color:#6366f1}.check-btn[data-astro-cid-lcedcbvo]:hover{transform:translateY(-2px);box-shadow:0 8px 25px #ffffff4d}.find-btn[data-astro-cid-lcedcbvo]{background:#ffffff40;color:#fff}.find-btn[data-astro-cid-lcedcbvo]:hover{background:#ffffff59}.reset-btn[data-astro-cid-lcedcbvo]{background:#ffffff26;color:#fff}.reset-btn[data-astro-cid-lcedcbvo]:hover{background:#ffffff40}.result-section[data-astro-cid-lcedcbvo]{margin-top:30px;background:#fffffff2;border-radius:15px;padding:25px;animation:fadeIn .5s ease}.result-section[data-astro-cid-lcedcbvo] h3[data-astro-cid-lcedcbvo]{color:#6366f1;font-size:1.3rem;margin-bottom:15px;text-align:center}.result-content[data-astro-cid-lcedcbvo]{color:#333;font-size:1.1rem;line-height:1.6}.result-content[data-astro-cid-lcedcbvo] .is-leap[data-astro-cid-lcedcbvo]{color:#10b981;font-weight:700;font-size:1.3rem}.result-content[data-astro-cid-lcedcbvo] .not-leap[data-astro-cid-lcedcbvo]{color:#ef4444;font-weight:700;font-size:1.3rem}.result-content[data-astro-cid-lcedcbvo] .year-list[data-astro-cid-lcedcbvo]{margin-top:15px;display:flex;flex-wrap:wrap;gap:10px}.result-content[data-astro-cid-lcedcbvo] .year-tag[data-astro-cid-lcedcbvo]{background:#6366f1;color:#fff;padding:8px 16px;border-radius:20px;font-weight:600}.info-section[data-astro-cid-lcedcbvo]{margin-top:30px;background:#fffffff2;border-radius:15px;padding:25px}.info-section[data-astro-cid-lcedcbvo] h4[data-astro-cid-lcedcbvo]{color:#6366f1;font-size:1.2rem;margin-bottom:15px}.info-section[data-astro-cid-lcedcbvo] p[data-astro-cid-lcedcbvo]{color:#555;margin:8px 0;font-size:1rem;line-height:1.5}.hidden[data-astro-cid-lcedcbvo]{display:none!important}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:600px){.calculator-card[data-astro-cid-lcedcbvo]{padding:25px}.calculator-card[data-astro-cid-lcedcbvo] h2[data-astro-cid-lcedcbvo]{font-size:1.6rem}.result-content[data-astro-cid-lcedcbvo] .year-list[data-astro-cid-lcedcbvo]{justify-content:center}}