.tool-header{text-align:center;margin-bottom:40px}.header-badge{display:flex;justify-content:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}.badge{background:linear-gradient(135deg, #667eea, #764ba2);color:white;padding:6px 18px;border-radius:40px;font-size:0.75rem;font-weight:500;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.tool-header h1{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #667eea);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.countdown-card{background:linear-gradient(135deg, #667eea, #764ba2);border-radius:28px;padding:24px 32px;margin-bottom:32px;box-shadow:0 15px 35px rgba(102,126,234,0.3)}.countdown-inner{display:flex;justify-content:space-between;align-items:center;color:white}.countdown-info{text-align:left}.countdown-label{font-size:0.9rem;opacity:0.9;margin-bottom:8px}.countdown-value{font-size:3rem;font-weight:800;line-height:1;margin-bottom:4px}.countdown-unit{font-size:0.8rem;opacity:0.8}.countdown-icon i{font-size:4rem;opacity:0.8}.holiday-tabs{display:flex;gap:12px;margin-bottom:28px;flex-wrap:wrap;justify-content:center}.holiday-tab{background:transparent;border:none;padding:10px 24px;border-radius:60px;cursor:pointer;transition:all 0.3s;font-size:0.9rem;font-weight:500;color:var(--gray-600);display:flex;align-items:center;gap:8px}.holiday-tab i{font-size:1rem}.holiday-tab.active{background:linear-gradient(135deg, #667eea, #764ba2);color:white;box-shadow:0 4px 12px rgba(102,126,234,0.3)}.year-selector{display:flex;justify-content:center;align-items:center;gap:20px;margin-bottom:32px}.year-selector button{width:40px;height:40px;border-radius:50%;background:var(--gray-100);border:none;cursor:pointer;transition:all 0.2s;font-size:1rem}.year-selector button:hover{background:var(--primary-color);color:white}#currentYear{font-size:1.5rem;font-weight:700;color:var(--gray-800);min-width:80px;text-align:center}.holiday-list{display:grid;grid-template-columns:repeat(auto-fill, minmax(300px, 1fr));gap:20px;margin-bottom:32px}.holiday-card{background:white;border-radius:20px;padding:20px;transition:all 0.3s;border:1px solid var(--gray-200);position:relative;overflow:hidden}.holiday-card:hover{transform:translateY(-4px);box-shadow:0 15px 30px rgba(0,0,0,0.1)}.holiday-card::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(135deg, #667eea, #764ba2)}.holiday-name{font-size:1.1rem;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:8px}.holiday-name i{color:#667eea;font-size:1.2rem}.holiday-date{font-size:0.85rem;color:var(--gray-500);margin-bottom:8px;display:flex;align-items:center;gap:8px}.holiday-desc{font-size:0.8rem;color:var(--gray-500);margin-bottom:12px;line-height:1.5}.holiday-badge{display:inline-block;padding:4px 12px;border-radius:30px;font-size:0.7rem;font-weight:500}.badge-traditional{background:#fee2e2;color:#dc2626}.badge-international{background:#d1fae5;color:#059669}.badge-solarterm{background:#e0e7ff;color:#4f46e5}.badge-modern{background:#fef3c7;color:#d97706}.days-left{margin-top:12px;padding-top:12px;border-top:1px dashed var(--gray-200);font-size:0.75rem;color:#667eea;font-weight:500}.empty-state{text-align:center;padding:60px;color:var(--gray-400)}.empty-state i{font-size:3rem;margin-bottom:16px}.info-footer{margin-top:32px;background:var(--gray-50);border-radius:20px;padding:20px}.info-footer-header{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-weight:600;color:var(--gray-700)}.info-footer-content p{font-size:0.8rem;color:var(--gray-500);line-height:1.6}@media (max-width:768px){.countdown-value{font-size:2rem}.countdown-icon i{font-size:2.5rem}.holiday-tab{padding:6px 16px;font-size:0.8rem}.holiday-list{grid-template-columns:1fr}}