:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;margin:0;padding:0}body{margin:0;min-height:100vh;background:linear-gradient(135deg,#1e293b,#0f172a)}#app{max-width:1000px;margin:0 auto;padding:2rem}header{text-align:center;margin-bottom:3rem}h1{font-size:3rem;margin-bottom:.5rem;background:linear-gradient(135deg,#60a5fa,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{color:#fff9;font-size:1.1rem}main{background:#ffffff0d;border-radius:12px;padding:2rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1)}.cron-inputs{margin-bottom:2rem}#cron-list{display:flex;flex-direction:column;gap:1rem;margin-bottom:1rem}.empty-state{text-align:center;color:#fff6;padding:2rem;font-style:italic}.cron-item{display:flex;align-items:center;gap:1rem;background:#ffffff0d;padding:1rem;border-radius:8px;border:1px solid rgba(255,255,255,.1)}.color-indicator{width:4px;height:40px;border-radius:2px;flex-shrink:0}.cron-inputs-group{flex:1;display:flex;flex-direction:column;gap:.5rem}input[type=text],input[type=number]{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:6px;padding:.75rem;color:#fff;font-size:1rem;width:100%;font-family:Courier New,monospace}input[type=text]:focus,input[type=number]:focus{outline:none;border-color:#60a5fa;background:#ffffff26}.cron-expression{font-weight:600}.cron-description{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:.9rem}button{cursor:pointer;border:none;border-radius:6px;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;transition:all .2s}.btn-add{background:#60a5fa33;color:#60a5fa;border:1px solid #60a5fa;width:100%}.btn-add:hover{background:#60a5fa4d;transform:translateY(-1px)}.btn-remove{background:#ef444433;color:#ef4444;border:1px solid rgba(239,68,68,.3);width:40px;height:40px;padding:0;font-size:1.5rem;flex-shrink:0}.btn-remove:hover{background:#ef44444d}.controls{display:flex;align-items:center;gap:1rem;margin-bottom:2rem;padding:1rem;background:#ffffff0d;border-radius:8px}.controls label{color:#fffc}.controls input[type=number]{width:80px}.controls select{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:6px;padding:.75rem;color:#fff;font-size:1rem;cursor:pointer}.controls select:focus{outline:none;border-color:#60a5fa;background:#ffffff26}.btn-primary{background:linear-gradient(135deg,#60a5fa,#a78bfa);color:#fff;border:none;margin-left:auto}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #60a5fa66}.results{margin-top:2rem}.results h3{margin-bottom:1rem;color:#ffffffe6}.errors{background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:8px;padding:1.5rem;margin-bottom:1.5rem}.errors ul{list-style:none;margin-top:.5rem}.errors li{padding:.5rem 0;color:#fca5a5}.overlaps{background:#fbbf241a;border:1px solid rgba(251,191,36,.3);border-radius:8px;padding:1.5rem;margin-bottom:1.5rem}.overlaps h3{color:#fbbf24}.overlap-list{display:flex;flex-direction:column;gap:.75rem;margin-top:1rem}.overlap-item{padding:.75rem;background:#ffffff0d;border-radius:6px}.no-overlaps{background:#10b9811a;border:1px solid rgba(16,185,129,.3);border-radius:8px;padding:1.5rem;margin-bottom:1.5rem}.no-overlaps h3{color:#34d399}.timeline{background:#ffffff0d;border-radius:8px;padding:1.5rem}.timeline-list{display:flex;flex-direction:column;gap:.5rem;margin-top:1rem;max-height:400px;overflow-y:auto}.timeline-item{display:flex;align-items:center;gap:1rem;padding:.75rem;background:#ffffff08;border-radius:6px}.timeline-dot{width:12px;height:12px;border-radius:50%;flex-shrink:0}.timeline-content{flex:1;display:flex;justify-content:space-between;align-items:center;gap:1rem}.timeline-time{font-family:Courier New,monospace;font-weight:600;color:#ffffffe6}.timeline-label{color:#fff9;font-size:.9rem}.error{color:#fca5a5;padding:1rem;background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:8px}footer{text-align:center;margin-top:3rem;padding-top:2rem;border-top:1px solid rgba(255,255,255,.1);color:#ffffff80}footer a{color:#60a5fa;text-decoration:none}footer a:hover{text-decoration:underline}@media(max-width:768px){#app{padding:1rem}h1{font-size:2rem}.cron-item{flex-direction:column;align-items:stretch}.color-indicator{width:100%;height:4px}.controls{flex-direction:column;align-items:stretch}.controls input[type=number],.controls select{width:100%}.btn-primary{margin-left:0}.timeline-content{flex-direction:column;align-items:flex-start}}