:root {
  color-scheme: dark;
  --bg: #0e1118;
  --panel: #171b24;
  --panel-2: #1d222d;
  --hover: #434b61;
  --line: #2b3242;
  --text: #eef2ff;
  --muted: #97a0bc;
  --accent: #23d0bb;
  --accent-2: #159d8d;
  --danger: #ff627b;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.28);
  --radius: 20px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "Segoe UI", Inter, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(35, 208, 187, 0.12), transparent 25%),
    linear-gradient(180deg, #0f131b 0%, #0b0e14 100%);
  padding: 24px;
}

button, input, select, textarea { font: inherit; }

.shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 22px;
  min-height: calc(100vh - 48px);
}

.sidebar, .card, .connect, .hero {
  background: rgba(23, 27, 36, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow);
}

.sidebar {
  border-radius: 24px;
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 10px 12px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mark {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  background: linear-gradient(135deg, rgba(35, 208, 187, 0.22), rgba(35, 208, 187, 0.05));
  border: 1px solid rgba(35, 208, 187, 0.24);
}

.title { font-size: 22px; font-weight: 800; }
.subtitle, .muted, .note, .status, .meta { color: var(--muted); }
.note { font-size: 13px; line-height: 1.5; }

.nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.nav-link {
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  padding: 14px 16px;
  border-radius: 16px;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
}

.nav-link:hover { background: var(--hover); }
.nav-link.active { background: #2a2f3d; }

.main {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.hero {
  border-radius: 22px;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.hero h1 { margin: 0; font-size: 31px; font-weight: 800; }
.hero p { margin: 8px 0 0; color: var(--muted); }

.connect {
  border-radius: 22px;
  padding: 16px;
  display: grid;
  grid-template-columns: minmax(240px, 340px) 140px 120px;
  gap: 12px;
  align-items: end;
}

label { display: flex; flex-direction: column; gap: 8px; font-size: 13px; color: var(--muted); }
input, select, textarea {
  width: 100%;
  background: #10141d;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  outline: none;
}

textarea {
  min-height: 170px;
  resize: vertical;
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
}

.btn {
  border: 0;
  border-radius: 14px;
  padding: 12px 18px;
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}

.btn-primary { background: linear-gradient(180deg, var(--accent), var(--accent-2)); }
.btn-danger { background: linear-gradient(180deg, #ff6d84, #ed4c67); }
.btn-ghost { background: #262d3a; }

.section { display: none; gap: 18px; }
.section.active { display: grid; }

.stats, .panel-grid, .detail-grid, .api-grid {
  display: grid;
  gap: 16px;
}

.stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.panel-grid.two { grid-template-columns: 390px minmax(0, 1fr); }
.panel-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.api-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid {
  display: grid;
  gap: 12px;
}
.form-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  border-radius: 22px;
  padding: 20px;
}

.card h2, .card h3, .card p { margin-top: 0; }
.card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.toolbar, .row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.metric {
  border-radius: 18px;
  padding: 18px;
  background: var(--panel);
}

.metric strong {
  display: block;
  font-size: 32px;
  margin-top: 10px;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 640px;
  overflow: auto;
}

.item, .detail, .endpoint {
  border-radius: 16px;
  background: var(--panel-2);
  border: 1px solid rgba(255,255,255,0.05);
  padding: 14px;
}

.item { cursor: pointer; }
.item:hover { background: var(--hover); }
.item.active { background: #2b3140; border-color: rgba(35, 208, 187, 0.25); }

.split {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.pill, .badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.pill.success { background: rgba(42, 213, 149, 0.16); color: #9ff0c8; }
.pill.warning { background: rgba(255, 184, 77, 0.18); color: #ffd08b; }
.pill.danger { background: rgba(255, 98, 123, 0.18); color: #ffb5c2; }
.pill.muted { background: rgba(255,255,255,0.08); color: #dce3ff; }

.badge.get { background: rgba(35, 208, 187, 0.16); color: #9cf0e4; }
.badge.post { background: rgba(91, 145, 255, 0.18); color: #bed7ff; }
.badge.patch { background: rgba(255, 184, 77, 0.18); color: #ffe1ab; }
.badge.delete { background: rgba(255, 98, 123, 0.18); color: #ffb5c2; }

.table-wrap {
  overflow: auto;
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 16px;
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th, td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  text-align: left;
  vertical-align: top;
}

th {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

pre, code {
  font-family: Consolas, "Courier New", monospace;
}

pre {
  background: #10141d;
  color: #dbe3ff;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.05);
  overflow: auto;
  margin: 0;
}

@media (max-width: 1200px) {
  .shell, .stats, .panel-grid.two, .panel-grid.three, .detail-grid, .api-grid, .connect, .form-grid.two {
    grid-template-columns: 1fr;
  }
}