:root {
  --bg: #0b1020;
  --panel: rgba(255,255,255,0.075);
  --panel2: rgba(255,255,255,0.11);
  --text: #f5f7fb;
  --muted: #aab3c7;
  --line: rgba(255,255,255,0.14);
  --accent: #c4a15a;
  --accent2: #7cc7ff;
  --danger: #ff7c7c;
  --ok: #71e3a1;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 10% 5%, rgba(196,161,90,.24), transparent 28%),
    radial-gradient(circle at 90% 20%, rgba(124,199,255,.2), transparent 30%),
    var(--bg);
  color: var(--text);
}
.topbar {
  display:flex; align-items:center; justify-content:space-between;
  padding: 22px 28px; border-bottom:1px solid var(--line);
  backdrop-filter: blur(14px); position: sticky; top: 0; z-index: 10;
  background: rgba(11,16,32,.72);
}
h1 { margin: 0; font-size: 28px; letter-spacing: -0.03em; }
h2 { margin: 0 0 16px; font-size: 22px; }
h3 { margin: 18px 0 10px; color: #fff; }
.eyebrow { color: var(--accent); text-transform: uppercase; font-size: 12px; letter-spacing: .16em; margin-bottom: 5px; }
.layout { display:grid; grid-template-columns: 390px minmax(0,1fr); gap: 18px; padding: 18px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 22px; padding: 18px; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.side { height: calc(100vh - 105px); overflow:auto; position: sticky; top: 96px; }
.tabs { display:flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.tab { background: var(--panel); color: var(--text); }
.tab.active { background: linear-gradient(135deg, rgba(196,161,90,.9), rgba(124,199,255,.68)); color: #07111e; font-weight: 800; }
.tabpage { display:none; }
.tabpage.active { display:block; }
label { display:block; margin: 12px 0 6px; color: var(--muted); font-size: 13px; }
input, textarea, select {
  width:100%; border:1px solid var(--line); background: rgba(0,0,0,.22); color:var(--text);
  border-radius: 13px; padding: 10px 12px; outline: none; font: inherit;
}
textarea { resize: vertical; }
button {
  border: 1px solid var(--line); color: var(--text); background: var(--panel2);
  padding: 10px 13px; border-radius: 13px; cursor:pointer; font-weight: 700;
}
button:hover { filter: brightness(1.15); }
button.primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #08111f; border: 0; }
button.big { width:100%; margin-top: 12px; padding: 14px; font-size: 16px; }
.row { display:flex; gap: 8px; align-items:center; }
.grid2 { display:grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; }
.cards { display:flex; flex-direction:column; gap: 10px; }
.card { border: 1px solid var(--line); background: rgba(255,255,255,.06); border-radius: 16px; padding: 12px; }
.card .title { font-weight: 800; margin-bottom: 4px; }
.card .meta { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.card pre { white-space: pre-wrap; font-family: inherit; margin: 0; color: #e6ebf7; }
.badge { border: 1px solid var(--line); border-radius: 999px; padding: 7px 10px; color: var(--muted); }
.badge.ok { color: var(--ok); border-color: rgba(113,227,161,.5); }
.badge.bad { color: var(--danger); border-color: rgba(255,124,124,.5); }
.badge.muted { opacity: .75; }
.status { display:flex; gap: 8px; align-items:center; }
.hint { color: var(--muted); margin-bottom: 8px; }
.output { min-height: 520px; line-height: 1.5; }
.toast { position: fixed; right: 18px; bottom: 18px; background: #111a31; border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; opacity: 0; transform: translateY(10px); transition: .2s; }
.toast.show { opacity: 1; transform: translateY(0); }
summary { cursor:pointer; color: var(--accent2); margin: 12px 0; }
@media (max-width: 1100px) { .layout, .grid2 { grid-template-columns: 1fr; } .side { position: static; height: auto; } }