.tool-header{text-align:center;margin-bottom:32px}.header-badge{display:flex;justify-content:center;gap:12px;margin-bottom:20px;flex-wrap:wrap}.badge{background:linear-gradient(135deg, #667eea 0, #764ba2 100%);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:2rem;font-weight:700;background:linear-gradient(135deg, #1e293b, #3b82f6);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:10px}.tool-header p{color:var(--gray-500);font-size:0.95rem}.quick-presets{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:28px}.preset-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:8px 20px;border-radius:40px;font-size:0.85rem;font-weight:500;cursor:pointer;transition:all 0.3s;display:inline-flex;align-items:center;gap:8px}.preset-btn:hover{background:var(--primary-color);border-color:var(--primary-color);color:white;transform:translateY(-2px)}.countdown-main{background:linear-gradient(135deg, #fff, #f8fafc);border-radius:32px;padding:32px;margin-bottom:28px;box-shadow:0 10px 30px -12px rgba(0,0,0,0.08);border:1px solid rgba(0,0,0,0.03)}.event-info{margin-bottom:24px}.event-label{display:flex;align-items:center;gap:8px;font-size:0.85rem;font-weight:500;color:var(--gray-600);margin-bottom:10px}.event-name-input{width:100%;padding:14px 18px;border:2px solid var(--gray-200);border-radius:20px;font-size:1rem;transition:all 0.3s;background:white}.event-name-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(59,130,246,0.1)}.datetime-picker{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;margin-bottom:32px}.date-input,.time-input{flex:1}.date-input label,.time-input label{display:block;font-size:0.75rem;font-weight:500;color:var(--gray-500);margin-bottom:6px}.date-selector,.time-selector{width:100%;padding:12px 16px;border:2px solid var(--gray-200);border-radius:16px;font-size:0.9rem;background:white;cursor:pointer}.set-btn{padding:12px 32px;font-size:1rem;background:linear-gradient(135deg, var(--primary-color), var(--primary-dark));border-radius:60px}.countdown-display{animation:fadeInUp 0.5s ease}.countdown-cards{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px;margin-bottom:28px}.countdown-card{background:linear-gradient(135deg, #1a1a2e, #16213e);border-radius:28px;padding:24px 16px;text-align:center;box-shadow:0 10px 25px -8px rgba(0,0,0,0.2)}.card-value{font-size:3rem;font-weight:800;color:#3b82f6;font-family:'Inter',monospace;line-height:1.2;margin-bottom:8px}.card-label{font-size:0.9rem;color:rgba(255,255,255,0.6);letter-spacing:2px}.event-badge{background:linear-gradient(135deg, #e0e7ff, #f0f4ff);padding:14px 20px;border-radius:60px;text-align:center;font-weight:500;margin-bottom:20px}.event-badge span{color:var(--primary-color);font-weight:700}.progress-bar-container{background:var(--gray-200);border-radius:30px;height:10px;overflow:hidden;position:relative}.progress-bar{background:linear-gradient(90deg, var(--primary-color), #60a5fa);border-radius:30px;height:100%;width:0%;transition:width 0.3s ease}.progress-text{text-align:center;font-size:0.7rem;color:var(--gray-500);margin-top:6px}.completed-display{text-align:center;padding:20px;animation:fadeInUp 0.5s ease}.completed-icon{font-size:4rem;color:#10b981;margin-bottom:16px}.completed-title{font-size:1.5rem;font-weight:700;color:var(--gray-800);margin-bottom:8px}.completed-date{color:var(--gray-500);margin-bottom:12px}.completed-message{color:var(--primary-color);margin-bottom:24px}.reset-btn{padding:10px 28px;border-radius:40px}.saved-events-section{background:var(--gray-50);border-radius:24px;padding:20px;margin-bottom:28px}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--gray-200);font-weight:600}.clear-btn{background:transparent;border:none;color:var(--gray-500);font-size:0.75rem;cursor:pointer;padding:6px 12px;border-radius:30px;transition:all 0.2s}.clear-btn:hover{background:#fee2e2;color:#dc2626}.saved-events-list{max-height:300px;overflow-y:auto}.empty-events{text-align:center;padding:40px 20px;color:var(--gray-400)}.empty-events i{font-size:3rem;margin-bottom:12px}.saved-event-item{display:flex;justify-content:space-between;align-items:center;background:white;padding:14px 18px;border-radius:16px;margin-bottom:10px;transition:all 0.2s;cursor:pointer}.saved-event-item:hover{transform:translateX(4px);box-shadow:0 4px 12px rgba(0,0,0,0.05)}.saved-event-info{flex:1}.saved-event-name{font-weight:600;margin-bottom:4px}.saved-event-date{font-size:0.7rem;color:var(--gray-500)}.saved-event-remaining{font-size:0.8rem;font-weight:600;color:var(--primary-color);min-width:80px;text-align:right}.delete-event-btn{background:transparent;border:none;color:var(--gray-400);cursor:pointer;padding:6px 10px;border-radius:30px;transition:all 0.2s}.delete-event-btn:hover{background:#fee2e2;color:#dc2626}.recommended-section{margin-bottom:28px}.recommended-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;margin-top:16px}.rec-card{display:flex;align-items:center;gap:14px;background:white;padding:14px 18px;border-radius:20px;cursor:pointer;transition:all 0.3s;border:1px solid var(--gray-200)}.rec-card:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(0,0,0,0.08);border-color:var(--primary-color)}.rec-icon{width:44px;height:44px;background:linear-gradient(135deg, #e0e7ff, #f0f4ff);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--primary-color)}.rec-info{flex:1}.rec-name{font-weight:600;font-size:0.9rem}.rec-date{font-size:0.7rem;color:var(--gray-500)}.rec-arrow{color:var(--gray-400)}.info-footer{background:var(--gray-50);border-radius:24px;padding:20px}.info-footer-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;font-weight:600}.info-footer-steps{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px}.step-item{display:flex;gap:14px;align-items:flex-start}.step-number{width:32px;height:32px;background:var(--primary-color);color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}.step-content h4{font-size:0.85rem;margin-bottom:4px}.step-content p{font-size:0.7rem;color:var(--gray-500)}@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.countdown-cards{grid-template-columns:repeat(2, 1fr)}.recommended-grid{grid-template-columns:repeat(2, 1fr)}.info-footer-steps{grid-template-columns:repeat(2, 1fr)}}@media (max-width:600px){.datetime-picker{flex-direction:column}.date-input,.time-input{width:100%}.countdown-cards{grid-template-columns:repeat(2, 1fr);gap:12px}.card-value{font-size:2rem}.recommended-grid{grid-template-columns:1fr}.info-footer-steps{grid-template-columns:1fr}.quick-presets{gap:8px}.preset-btn{padding:6px 14px;font-size:0.75rem}}