:root {
  --bg: #0b1020;
  --panel: rgba(255, 255, 255, 0.06);
  --panel2: rgba(255, 255, 255, 0.09);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.7);
  --border: rgba(255, 255, 255, 0.12);
  --accent: #7dd3fc;
  --warn: #fbbf24;
  --shadow: 0 16px 50px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(1200px 800px at 15% 10%, rgba(125, 211, 252, 0.25), transparent 55%),
              radial-gradient(900px 650px at 90% 20%, rgba(167, 139, 250, 0.25), transparent 50%),
              var(--bg);
  color: var(--text);
}

.app { min-height: 100%; display: flex; flex-direction: column; }
.topbar {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 16, 32, 0.72);
  backdrop-filter: blur(10px);
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand__dot {
  width: 12px; height: 12px; border-radius: 999px;
  background: linear-gradient(180deg, var(--accent), rgba(167, 139, 250, 0.9));
  box-shadow: 0 0 0 6px rgba(125, 211, 252, 0.12);
}
.brand__name { font-weight: 700; letter-spacing: 0.2px; }
.brand__sub { font-size: 12px; color: var(--muted); margin-top: 2px; }

.topbar__right { display: flex; align-items: center; gap: 10px; }
.pill {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
}
.pill--ok { border-color: rgba(34,197,94,0.35); }
.pill--warn { border-color: rgba(251,191,36,0.35); }

.main { flex: 1; padding: 22px; display: grid; place-items: start center; }
.card {
  width: min(920px, 100%);
  padding: 18px 18px 16px;
  background: linear-gradient(180deg, var(--panel), rgba(255,255,255,0.03));
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.card h1 { margin: 0 0 8px; font-size: 20px; }
.card h2 { margin: 18px 0 10px; font-size: 16px; }
.card h3 { margin: 18px 0 10px; font-size: 14px; color: var(--muted); }
.card p { margin: 0 0 14px; color: var(--muted); line-height: 1.5; }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row--space { justify-content: space-between; }
.btn {
  background: linear-gradient(180deg, rgba(125,211,252,0.25), rgba(125,211,252,0.12));
  border: 1px solid rgba(125,211,252,0.35);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
}
.btn--ghost {
  background: transparent;
  border-color: var(--border);
}
.btn--ghost:hover { background: rgba(255,255,255,0.06); }
.btn:hover { background: linear-gradient(180deg, rgba(125,211,252,0.3), rgba(125,211,252,0.16)); }
.code {
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--panel2);
  border: 1px solid var(--border);
  min-height: 20px;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: 12px; }

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 12px 0;
}
@media (max-width: 720px) {
  .grid { grid-template-columns: 1fr; }
}
.label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--muted); }
.label--inline { flex-direction: row; align-items: center; gap: 10px; }
.input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.18);
  color: var(--text);
  outline: none;
}
.input:focus { border-color: rgba(125,211,252,0.45); box-shadow: 0 0 0 4px rgba(125,211,252,0.12); }

.panel {
  margin-top: 14px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.16);
}
.list { display: grid; gap: 8px; margin-top: 10px; }
.listItem {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
}

.chat { margin-top: 12px; display: grid; gap: 10px; }
.chatLog {
  height: min(55vh, 520px);
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(0,0,0,0.16);
  padding: 12px;
  display: grid;
  gap: 10px;
}
.bubble {
  max-width: 80ch;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  white-space: pre-wrap;
  line-height: 1.45;
}
.bubble--user {
  margin-left: auto;
  border-color: rgba(125,211,252,0.35);
  background: rgba(125,211,252,0.10);
}
.bubble--assistant {
  margin-right: auto;
}