:root {
  --bg: #050505;
  --panel: #0c0c0c;
  --panel-2: #111111;
  --border: #1f1f1f;
  --border-hover: #2e2e2e;
  --text: #e6e6e6;
  --heading: #ffffff;
  --body-text: #cfcfcf;
  --muted: #8a8a8a;
  --accent: #00ff66;
  --accent-dim: #00cc52;
  --warn: #ffcc00;
  --red: #ff5c5c;
  --header-bg: rgba(5, 5, 5, 0.92);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --header-h: 60px;
  --sidebar-w: 260px;
  --content-w: 880px;
}

html[data-theme="light"] {
  --bg: #fafafa;
  --panel: #ffffff;
  --panel-2: #f5f5f5;
  --border: #e4e4e4;
  --border-hover: #cfcfcf;
  --text: #171717;
  --heading: #101010;
  --body-text: #333333;
  --muted: #666666;
  --accent: #00a844;
  --accent-dim: #008f3a;
  --warn: #b45309;
  --red: #dc2626;
  --header-bg: rgba(250, 250, 250, 0.92);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre { font-family: var(--mono); }

code {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.88em;
}

pre {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.6;
}
pre code { background: none; border: none; padding: 0; font-size: inherit; }

/* Header */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 14px;
  z-index: 50;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--heading); }
.brand .logo {
  width: 30px; height: 30px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--panel);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-family: var(--mono); font-size: 15px;
}
.brand small { display: block; color: var(--muted); font-weight: 500; font-size: 11px; font-family: var(--mono); }
.header .spacer { flex: 1; }
.header .badge-network {
  font-family: var(--mono); font-size: 11px; color: var(--accent);
  border: 1px solid rgba(0,255,102,0.35); border-radius: 999px; padding: 3px 10px;
}
.header a.plain { color: var(--muted); font-size: 13px; }
.header a.plain:hover { color: var(--accent); text-decoration: none; }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 32px; height: 32px; padding: 0 10px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--panel); color: var(--muted);
  font-size: 12px; font-weight: 700; font-family: var(--mono);
  cursor: pointer; transition: color 0.15s ease, border-color 0.15s ease;
}
.icon-btn:hover { color: var(--accent); border-color: var(--border-hover); }

/* Sidebar */
.sidebar {
  position: fixed;
  top: var(--header-h); bottom: 0; left: 0;
  width: var(--sidebar-w);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 18px 12px 40px;
  background: var(--bg);
  z-index: 40;
}
.sidebar .group {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 10.5px;
  letter-spacing: 0.09em;
  font-weight: 700;
  margin: 18px 10px 6px;
}
.sidebar a.nav {
  display: block;
  color: var(--text);
  padding: 6px 10px;
  border-radius: 7px;
  font-size: 13.5px;
  text-decoration: none;
}
.sidebar a.nav:hover { background: var(--panel); text-decoration: none; }
.sidebar a.nav.active { background: rgba(0,255,102,0.08); color: var(--accent); }

/* Main */
.main {
  margin-left: var(--sidebar-w);
  padding: calc(var(--header-h) + 28px) 32px 80px;
  display: flex;
  justify-content: center;
}
.content { width: 100%; max-width: var(--content-w); }

h1 { font-size: 30px; line-height: 1.25; margin: 0 0 6px; color: var(--heading); letter-spacing: -0.01em; }
h2 { font-size: 20px; margin: 40px 0 12px; color: var(--heading); padding-top: 8px; }
h3 { font-size: 16px; margin: 26px 0 8px; color: var(--heading); }
p { margin: 10px 0; color: var(--body-text); }
ul, ol { color: var(--body-text); padding-left: 22px; }
li { margin: 4px 0; }

.lead { color: var(--muted); font-size: 16px; margin-bottom: 20px; }

.note {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  background: var(--panel);
  border-radius: 8px;
  padding: 12px 16px;
  margin: 16px 0;
  color: var(--body-text);
  font-size: 14px;
}
.note.warn { border-left-color: var(--warn); }
.note b { color: var(--heading); }

table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 13.5px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
td code { font-size: 12px; }

/* Copy button */
.copy-btn {
  position: absolute;
  top: 8px; right: 8px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 6px;
  font-size: 11px;
  padding: 3px 8px;
  cursor: pointer;
  font-family: var(--sans);
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent-dim); }

/* Endpoint cards */
.search-box {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text);
  padding: 10px 14px;
  font-size: 14px;
  margin: 12px 0 8px;
  outline: none;
}
.search-box:focus { border-color: var(--accent-dim); }

.endpoint {
  border: 1px solid var(--border);
  border-radius: 10px;
  margin: 14px 0;
  overflow: hidden;
  background: var(--panel);
  scroll-margin-top: calc(var(--header-h) + 16px);
}
.endpoint .ep-head {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  background: var(--panel-2);
}
.endpoint .ep-head:hover { background: var(--panel-2); }
.endpoint .ep-body { padding: 14px; display: none; }
.endpoint.open .ep-body { display: block; }
.ep-path { font-family: var(--mono); font-size: 13px; color: var(--heading); }
.ep-summary { color: var(--muted); font-size: 12.5px; margin-left: auto; }
.method {
  font-family: var(--mono); font-size: 11px; font-weight: 700;
  border-radius: 5px; padding: 2px 7px;
  background: rgba(0,255,102,0.12); color: var(--accent);
}

.param-table td:first-child { font-family: var(--mono); white-space: nowrap; }

/* Mobile */
.menu-btn { display: none; }
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.2s ease; background: var(--bg); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; padding: calc(var(--header-h) + 20px) 18px 60px; }
  .menu-btn {
    display: flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border-radius: 8px;
    border: 1px solid var(--border); background: var(--panel);
    color: var(--text); font-size: 16px; cursor: pointer;
  }
}

/* Dashboard */
.dash-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin: 14px 0;
}
.dash-note { color: var(--muted); font-size: 13px; }
.dash-error { color: var(--red); font-size: 13px; margin-top: 10px; }
.muted { color: var(--muted); }
.dash-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.dash-address { font-family: var(--mono); font-size: 16px; color: var(--heading); }
.dash-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 14px 0;
}
.dash-grid .dash-card { margin: 0; }
.dash-label {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
.dash-value { font-size: 22px; font-weight: 700; color: var(--heading); font-family: var(--mono); }
.dash-value small { font-size: 11px; color: var(--muted); margin-left: 3px; font-weight: 500; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--accent); color: #000000; border: none; border-radius: 8px;
  padding: 9px 16px; font-weight: 700; font-size: 13px; cursor: pointer;
  font-family: var(--sans); transition: opacity 0.15s ease;
}
html[data-theme="light"] .btn { color: #ffffff; }
.btn:hover { opacity: 0.9; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-ghost {
  background: transparent; color: var(--muted); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 10px; font-size: 12px; cursor: pointer;
  font-family: var(--sans);
}
.btn-ghost:hover { color: var(--red); border-color: var(--border-hover); }
.field {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 9px 12px; color: var(--text); font-size: 13px; outline: none;
  font-family: var(--sans);
}
.field:focus { border-color: var(--accent-dim); }
.dash-card-head {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  justify-content: space-between; margin-bottom: 10px;
}
.dash-card-head h3 { margin: 0; font-size: 15px; color: var(--heading); }
.dash-create { display: flex; gap: 8px; flex-wrap: wrap; }
.data-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.data-table th {
  text-align: left; color: var(--muted); font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.05em; padding: 8px; border-bottom: 1px solid var(--border);
  font-weight: 600;
}
.data-table td { padding: 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.pill { font-size: 11px; padding: 2px 8px; border-radius: 999px; font-family: var(--mono); }
.pill-on { color: var(--accent); border: 1px solid var(--accent-dim); }
.pill-off { color: var(--muted); border: 1px solid var(--border); }
.key-banner {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 14px;
  margin: 14px 0;
}
.key-banner-title { color: var(--accent); font-weight: 700; font-size: 13px; margin-bottom: 8px; }
.key-value {
  display: block; background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 6px; padding: 10px 12px; font-size: 13px;
  word-break: break-all; color: var(--heading);
}
.key-banner-actions { display: flex; align-items: center; gap: 12px; margin-top: 10px; flex-wrap: wrap; }

/* Network selector + banner */
#network-btn.offline { color: var(--warn); }
.network-banner {
  border: 1px solid var(--warn);
  background: var(--panel);
  color: var(--warn);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 18px;
  font-size: 13px;
}