:root{
  --bg: #0b0d11;
  --panel: #11141b;
  --text: #e7ecf3;
  --muted: #8ea1b4;
  --accent: #7a9cff;
  --accent-2: #a6e3ff;
  --border: #1b2230;
  --btn: #1a2440;
  --btn-hover: #223058;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif}
.site-header{display:flex;align-items:baseline;gap:1rem;padding:1.25rem 1rem;max-width:980px;margin:0 auto}
.site-header h1{margin:0;font-weight:700;letter-spacing:.3px}
.subtle{font-weight:500;color:var(--muted)}
.version{margin-left:auto;color:var(--muted);font-size:.9rem}
.container{max-width:980px;margin:0 auto;padding:0 1rem 4rem}
.panel{background:var(--panel);border:1px solid var(--border);padding:1rem 1rem;border-radius:16px;margin:0 0 1rem 0;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.panel h2{margin:.25rem 0 1rem 0;font-size:1.1rem;color:var(--accent-2);font-weight:600}
.row{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;margin:.5rem 0}
.inline{display:flex;align-items:center;gap:.5rem;color:var(--text)}
.radio{display:flex;align-items:center;gap:.4rem}
input[type="text"]{background:#0c1220;border:1px solid var(--border);color:var(--text);padding:.5rem .6rem;border-radius:10px;min-width:260px}
input[type="range"]{accent-color:var(--accent)}
button{background:var(--btn);color:var(--text);border:1px solid var(--border);padding:.55rem .9rem;border-radius:12px;cursor:pointer;transition:.15s transform,.15s background}
button:hover{background:var(--btn-hover);transform:translateY(-1px)}
button:active{transform:translateY(0)}
.actions{margin-top:.25rem}
textarea{width:100%;background:#0c1220;border:1px solid var(--border);color:var(--text);padding:.8rem;border-radius:12px;font-size:1.05rem;line-height:1.4}
.meta{display:flex;justify-content:space-between;align-items:center;margin-top:.5rem;font-size:.95rem}
.muted{color:var(--muted)}
.notes{margin-top:.5rem}
.site-footer{padding:1.25rem 1rem;border-top:1px solid var(--border);text-align:center;color:var(--muted)}
@media (max-width:720px){
  .row{flex-direction:column;align-items:flex-start}
  input[type="text"]{min-width:unset;width:100%}
}