:root {
  --bg: #0e1116;
  --panel: #161b22;
  --panel-2: #1d2430;
  --line: #2a323d;
  --text: #e6edf3;
  --muted: #8b97a7;
  --accent: #5b8cff;
  --accent-2: #00d4b8;
  --ok: #2ea043;
  --warn: #d29922;
  --danger: #f85149;
  --radius: 12px;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.6rem; margin: 0 0 .3rem; }
h2 { font-size: 1.15rem; margin: 0 0 .8rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: .85rem; }

/* layout */
.layout { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 22px 16px;
  display: flex; flex-direction: column; gap: 18px;
}
.sidebar nav { display: flex; flex-direction: column; gap: 4px; }
.sidebar nav a {
  color: var(--text); padding: 9px 12px; border-radius: 8px; font-weight: 500;
}
.sidebar nav a:hover { background: var(--panel-2); text-decoration: none; }
.sidebar nav a.active { background: var(--panel-2); color: var(--accent); }
.nav-soon { color: var(--muted); font-size: .8rem; padding: 9px 12px; }
.sidebar-foot { margin-top: auto; font-size: .82rem; color: var(--muted); display: flex; flex-direction: column; gap: 4px; }
.content { padding: 34px 40px; max-width: 1100px; }

/* brand */
.brand { display: flex; align-items: center; gap: 10px; }
.brand small { display: block; color: var(--muted); font-size: .75rem; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04121a; font-weight: 800; font-size: 1.1rem;
  display: grid; place-items: center;
}
.brand-lg .brand-mark { width: 44px; height: 44px; font-size: 1.4rem; }

/* page head */
.page-head { margin-bottom: 24px; }
.page-head.row, .row { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }

/* cards */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 18px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-num { font-size: 2rem; font-weight: 700; }
.stat-label { color: var(--muted); font-size: .85rem; }

/* buttons */
.btn {
  display: inline-block; background: var(--accent); color: #04121a;
  font-weight: 600; padding: 10px 18px; border-radius: 8px; border: 0;
  cursor: pointer; font-size: .95rem;
}
.btn:hover { filter: brightness(1.08); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.ghost.danger { color: var(--danger); border-color: var(--danger); }

/* empty / next */
.empty { text-align: center; padding: 48px 20px; border: 1px dashed var(--line); border-radius: var(--radius); }
.empty h2 { margin-bottom: 8px; }
.empty .btn, .next-step .btn { margin-top: 14px; }

/* forms */
form label { display: block; margin-bottom: 14px; font-size: .9rem; color: var(--muted); }
input, textarea {
  width: 100%; margin-top: 6px; padding: 10px 12px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  color: var(--text); font-size: .95rem; font-family: inherit;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; }

/* auth */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.auth-card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 32px; width: 360px; }
.auth-card .brand { margin-bottom: 22px; }
.alert { background: rgba(248,81,73,.12); border: 1px solid var(--danger); color: #ffb4af; padding: 10px 12px; border-radius: 8px; font-size: .9rem; }

/* tutorial split */
.split { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; align-items: start; }
.steps { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 14px; }
.steps li strong { display: block; margin-bottom: 2px; }
.steps p { margin: 2px 0 0; font-size: .88rem; }
.perms { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.perms code, .mono code { background: var(--panel-2); padding: 2px 8px; border-radius: 6px; font-size: .82rem; }
.note { margin-top: 16px; padding: 12px; background: var(--panel-2); border-radius: 8px; font-size: .85rem; color: var(--muted); }
.form-card { position: sticky; top: 20px; }

/* connection cards */
.connection-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.badge { font-size: .72rem; padding: 2px 8px; border-radius: 20px; margin-left: 8px; text-transform: uppercase; letter-spacing: .03em; }
.badge.ok { background: rgba(46,160,67,.15); color: #56d364; }
.badge.warn { background: rgba(210,153,34,.15); color: #e3b341; }
.accounts { width: 100%; border-collapse: collapse; font-size: .9rem; }
.accounts th { text-align: left; color: var(--muted); font-weight: 500; padding: 6px 10px; border-bottom: 1px solid var(--line); font-size: .8rem; }
.accounts td { padding: 8px 10px; border-bottom: 1px solid var(--line); }
.accounts tr:last-child td { border-bottom: 0; }

@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; flex-wrap: wrap; }
  .split { grid-template-columns: 1fr; }
  .form-card { position: static; }
}