:root {
  --bg: #0f1c17;
  --bg2: #16261f;
  --card: #1c3229;
  --text: #e8f2ec;
  --muted: #9bb5a8;
  --accent: #3ecf8e;
  --warn: #e6b35c;
  --danger: #e07171;
  --line: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --font: "Segoe UI", "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 600px at 10% -10%, #1f4a38 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #243a55 0%, transparent 50%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
}
.app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: 12px 14px 72px;
}
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 8px 2px 16px;
}
.brand {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.context select {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
}
.main { flex: 1; }
h1 {
  font-size: 1.45rem;
  margin: 0 0 8px;
  font-weight: 650;
}
.lead {
  color: var(--muted);
  margin: 0 0 20px;
  line-height: 1.45;
  font-size: 0.95rem;
}
.panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent), var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
}
.panel h2 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}
.meta { color: var(--muted); font-size: 0.85rem; }
.row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}
button, .btn {
  appearance: none;
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  background: var(--accent);
  color: #072117;
}
button.secondary, .btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
button.danger {
  background: var(--danger);
  color: #1a0707;
}
button:disabled { opacity: 0.5; cursor: not-allowed; }
input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg2);
  color: var(--text);
  font: inherit;
  margin-top: 8px;
}
.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(62, 207, 142, 0.15);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
}
.badge.warn { background: rgba(230, 179, 92, 0.15); color: var(--warn); }
.status {
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  font-size: 0.9rem;
  margin-bottom: 12px;
}
.error { color: var(--danger); }
.nav {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 10px;
  width: min(480px, calc(100% - 20px));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  background: rgba(15, 28, 23, 0.92);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 8px;
  backdrop-filter: blur(10px);
}
.nav a {
  text-align: center;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.78rem;
  padding: 10px 4px;
  border-radius: 12px;
  font-weight: 600;
}
.nav a.active { background: var(--card); color: var(--text); }
.list-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  margin-top: 8px;
}
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.8rem; word-break: break-all; }