.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, #059669, #047857);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, #059669);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.core-stats{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.core-stat{background:white;border-radius:60px;padding:16px 28px;display:flex;align-items:center;gap:16px;box-shadow:0 4px 15px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.core-stat-icon{width:48px;height:48px;background:linear-gradient(135deg, #d1fae5, #ecfdf5);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#059669;font-size:1.3rem}.core-stat-info{text-align:left}.core-stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--gray-800)}.core-stat-label{font-size:0.7rem;color:var(--gray-500)}.format-switch{display:flex;align-items:center;gap:16px;margin-bottom:24px;padding:12px 16px;background:var(--gray-50);border-radius:60px}.format-switch label{font-weight:500;color:var(--gray-700)}.switch-buttons{display:flex;gap:12px}.switch-btn{background:white;border:1px solid var(--gray-200);padding:8px 20px;border-radius:40px;cursor:pointer;transition:all 0.2s}.switch-btn.active{background:#059669;border-color:#059669;color:white}.expression-card{background:linear-gradient(135deg, #1a1a2e, #16213e);border-radius:24px;padding:20px;margin-bottom:24px}.expression-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;color:#a0a0c0;font-size:0.8rem}.copy-cron-btn{background:rgba(255,255,255,0.1);border:none;padding:6px 16px;border-radius:30px;color:#a0a0c0;cursor:pointer;transition:all 0.2s}.copy-cron-btn:hover{background:#059669;color:white}.expression-value{font-family:'Fira Code',monospace;font-size:1.4rem;font-weight:600;color:#4ade80;word-break:break-all}.cron-config{background:var(--gray-50);border-radius:24px;padding:20px;margin-bottom:24px}.config-row{display:flex;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--gray-200)}.config-row:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.config-label{width:60px;font-weight:600;color:var(--gray-700);padding-top:8px;flex-shrink:0}.config-options{flex:1;display:flex;flex-wrap:wrap;gap:8px}.option-btn{background:white;border:1px solid var(--gray-200);padding:6px 14px;border-radius:30px;font-size:0.75rem;cursor:pointer;transition:all 0.2s}.option-btn.active{background:#059669;border-color:#059669;color:white}.option-btn:hover:not(.active){background:var(--gray-100)}.custom-btn{background:transparent;border:1px dashed var(--gray-300);padding:6px 14px;border-radius:30px;font-size:0.7rem;cursor:pointer;color:var(--gray-500)}.custom-btn:hover{border-color:#059669;color:#059669}.presets-section{margin-bottom:24px}.presets-header{display:flex;align-items:center;gap:8px;margin-bottom:16px;font-weight:600;color:var(--gray-700)}.presets-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:12px}.preset-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:10px 16px;border-radius:40px;cursor:pointer;transition:all 0.2s;font-size:0.8rem}.preset-btn:hover{background:#059669;border-color:#059669;color:white}.preview-section{background:var(--gray-50);border-radius:24px;padding:20px}.preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;font-weight:600;color:var(--gray-700)}.preview-hint{font-size:0.7rem;font-weight:normal;color:var(--gray-400)}.next-times{display:flex;flex-direction:column;gap:8px}.time-item{display:flex;align-items:center;gap:12px;padding:10px 16px;background:white;border-radius:12px;border:1px solid var(--gray-200)}.time-index{width:28px;height:28px;background:#059669;color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:0.7rem;font-weight:600}.time-value{font-family:monospace;font-size:0.85rem;color:var(--gray-800)}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:white;border-radius:24px;width:400px;max-width:90%;overflow:hidden}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:var(--gray-50);border-bottom:1px solid var(--gray-200);font-weight:600}.modal-close{background:transparent;border:none;font-size:1.2rem;cursor:pointer;color:var(--gray-500)}.modal-body{padding:20px}.modal-body p{font-size:0.8rem;color:var(--gray-600);margin-bottom:16px}.modal-input{width:100%;padding:12px;border:1px solid var(--gray-300);border-radius:12px;font-family:monospace}.modal-footer{display:flex;gap:12px;padding:16px 20px;border-top:1px solid var(--gray-200);justify-content:flex-end}.loading{text-align:center;padding:20px;color:var(--gray-500)}@media (max-width:900px){.config-row{flex-direction:column}.config-label{width:100%;margin-bottom:8px}.presets-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:480px){.presets-grid{grid-template-columns:1fr}.format-switch{flex-direction:column}.expression-value{font-size:1rem}}