:root{color-scheme:dark;--bg: #070b14;--bg-soft: #0d1320;--card: #111a2d;--card-border: #1e2a43;--text: #f4f7ff;--muted: #a7b3cb;--primary: #4f7cff;--primary-strong: #6f93ff;--danger: #ff647b;--success: #42d392;--warning: #ffb454;--radius: 16px;--shadow: 0 24px 60px rgba(0, 0, 0, .45)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text);background:radial-gradient(1200px 600px at -10% -20%,rgba(79,124,255,.34),transparent 60%),radial-gradient(800px 520px at 110% 0%,rgba(66,211,146,.2),transparent 62%),linear-gradient(180deg,var(--bg) 0%,#04070f 100%)}#app{max-width:1080px;margin:0 auto;padding:32px 20px 44px}h1,h2,h3,p{margin:0}h1{font-size:clamp(1.7rem,2.2vw,2.4rem);font-weight:700;letter-spacing:-.02em}h2{font-size:1.1rem;font-weight:650}h3{margin-top:14px;font-size:.95rem;color:var(--muted)}.subtitle{margin-top:8px;color:var(--muted);max-width:56ch}.card{background:linear-gradient(180deg,#141f35e6,#0b1220f2);border:1px solid var(--card-border);border-radius:var(--radius);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.auth-shell{min-height:calc(100vh - 120px);display:grid;place-items:center}.auth-card{width:min(560px,100%);padding:32px}.dashboard{display:grid;gap:18px}.controls-card,.result-card{padding:24px}.section-head{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}.stack{display:grid;gap:14px}.grid{display:grid;gap:12px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}label{display:grid;gap:7px;color:var(--muted);font-weight:500}input,select,textarea,button{font:inherit}input,select,textarea{width:100%;color:var(--text);background:#080e1cd9;border:1px solid #25375a;border-radius:12px;padding:10px 12px;outline:none;transition:border-color .15s ease,box-shadow .15s ease}textarea{resize:vertical;min-height:120px}input:focus,select:focus,textarea:focus{border-color:var(--primary-strong);box-shadow:0 0 0 3px #6f93ff33}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}button{border:0;border-radius:12px;padding:10px 16px;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--primary),#355de0);cursor:pointer;transition:transform .12s ease,opacity .12s ease}button:hover{transform:translateY(-1px)}button:active{transform:translateY(0)}button.secondary{color:#d3deff;background:linear-gradient(135deg,#293856,#1b263d)}button:disabled{opacity:.6;cursor:not-allowed}.message{margin-top:8px;font-weight:520}.message[data-status=failed]{color:var(--danger)}.message[data-status=blocked]{color:var(--warning)}.message[data-status=succeeded]{color:var(--success)}pre{margin-top:12px;border:1px solid #223356;border-radius:12px;padding:14px;overflow:auto;background:#070d18f5;color:#dce7ff;line-height:1.5;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;min-height:84px}.muted{color:var(--muted)}.history-list{margin:10px 0 0;padding-left:20px;color:var(--muted);display:grid;gap:6px}@media(max-width:840px){#app{padding:22px 14px 28px}.auth-card,.controls-card,.result-card{padding:18px}.grid.two,.grid.three{grid-template-columns:1fr}}