*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0B1120;--card:rgba(11,17,32,0.85);--border:rgba(14,165,233,0.12);--primary:#0EA5E9;--primary-l:#38BDF8;--accent:#F59E0B;--text:#E2E8F0;--muted:#94A3B8;--dim:#475569;--r:12px;--rs:8px;--font:'Inter',system-ui,sans-serif}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;display:flex;align-items:center;justify-content:center;-webkit-font-smoothing:antialiased}
body::before{content:'';position:fixed;inset:0;pointer-events:none;background:radial-gradient(ellipse 50% 40% at 50% 20%,rgba(14,165,233,0.05),transparent 70%)}
.app{max-width:520px;width:100%;padding:20px;position:relative;z-index:1}
h1{font-size:1.3rem;font-weight:700;text-align:center;margin-bottom:16px;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:16px;backdrop-filter:blur(12px);margin-bottom:12px}
.panel h3{font-size:0.85rem;font-weight:600;margin-bottom:10px;color:var(--muted)}
.cron-display{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:8px}
.cron-display code{font-size:1.4rem;font-weight:700;color:var(--primary-l);font-family:'SF Mono',monospace;letter-spacing:2px}
.copy-btn{background:none;border:none;cursor:pointer;font-size:1.1rem;padding:4px}
.human{text-align:center;font-size:0.9rem;color:var(--accent);font-weight:500}
.presets{display:flex;gap:6px;flex-wrap:wrap}
.preset-btn{font-family:var(--font);font-size:0.75rem;padding:6px 10px;border-radius:16px;border:1px solid var(--border);background:rgba(14,165,233,0.06);color:var(--primary-l);cursor:pointer;transition:all 200ms}
.preset-btn:hover,.preset-btn.active{background:rgba(14,165,233,0.15);border-color:var(--primary)}
.fields{display:flex;flex-direction:column;gap:10px}
.field{display:flex;align-items:center;gap:8px}
.field-label{font-size:0.8rem;min-width:80px;color:var(--muted);font-weight:500}
.field select{flex:1;background:rgba(0,0,0,0.3);border:1px solid var(--border);border-radius:var(--rs);padding:8px;font-family:var(--font);font-size:0.85rem;color:var(--text);color-scheme:dark}
.field select:focus{outline:none;border-color:var(--primary)}
.runs{display:flex;flex-direction:column;gap:4px}
.run{font-size:0.78rem;color:var(--muted);padding:4px 8px;background:rgba(0,0,0,0.15);border-radius:4px;font-family:'SF Mono',monospace}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);padding:10px 20px;background:var(--primary);color:#fff;border-radius:var(--rs);font-size:0.85rem;opacity:0;transition:all 300ms;z-index:100}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.footer{text-align:center;color:var(--dim);font-size:0.7rem;margin-top:12px}