:root {
  --bg: #0f1216;
  --surface: #171c23;
  --surface-2: #1f2630;
  --border: #2a323d;
  --text: #e6e9ee;
  --muted: #98a2b3;
  --primary: #4f8cff;
  --primary-hover: #3d7bf0;
  --active: #2fbf71;
  --pending: #e0a32e;
  --radius: 12px;
  --maxw: 880px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---- top bar ---- */
.topbar {
  border-bottom: 1px solid var(--border);
  background: rgba(23, 28, 35, 0.7);
  backdrop-filter: blur(6px);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.2px;
  color: var(--text);
  text-decoration: none;
}
.brand span { color: var(--primary); }

.nav { display: flex; align-items: center; gap: 14px; }
.nav-user { color: var(--muted); font-size: 14px; }

main.container { flex: 1; padding-top: 28px; padding-bottom: 40px; }

/* ---- sections ---- */
.section { margin-bottom: 36px; }
.section h2 {
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 14px;
}

/* ---- cards ---- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.chat-card { display: flex; flex-direction: column; gap: 6px; }
.chat-title { font-weight: 600; }
.chat-card form { margin-top: 10px; }

.empty {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  color: var(--muted);
}

/* ---- buttons ---- */
.btn {
  display: inline-block;
  border: 1px solid transparent;
  border-radius: 9px;
  padding: 10px 16px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.btn-sm { padding: 7px 12px; font-size: 14px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--muted); }

/* ---- table ---- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.table { width: 100%; border-collapse: collapse; font-size: 15px; }
.table th, .table td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table thead th {
  background: var(--surface-2);
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.table tbody tr:last-child td { border-bottom: none; }

/* ---- badges ---- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-active { background: rgba(47, 191, 113, 0.15); color: var(--active); }
.badge-pending { background: rgba(224, 163, 46, 0.15); color: var(--pending); }

/* ---- code / copy ---- */
code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 2px 8px;
  font-size: 0.92em;
}
code.copy { cursor: pointer; user-select: all; }
code.copy:hover { border-color: var(--primary); }
code.copy.copied { border-color: var(--active); color: var(--active); }

/* ---- auth ---- */
.auth {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.auth-card { width: 100%; max-width: 380px; }
.auth-card h1 { margin: 0 0 8px; font-size: 22px; }

.form { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.form label { font-size: 14px; color: var(--muted); }
.form input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text);
  padding: 11px 14px;
  font: inherit;
}
.form input:focus { outline: none; border-color: var(--primary); }
.form .btn { margin-top: 6px; }

/* ---- created ---- */
.created-card { max-width: 620px; }
.created-card h1 { margin: 0 0 6px; font-size: 22px; }
.steps { margin: 18px 0; padding-left: 20px; }
.steps li { margin-bottom: 12px; }
.bind { margin-top: 8px; }
.bind code { font-size: 1em; padding: 6px 12px; }

/* ---- alerts ---- */
.alert {
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 10px 14px;
  margin: 0 0 14px;
  font-size: 14px;
}
.alert-error { background: rgba(229, 72, 77, 0.12); border-color: rgba(229, 72, 77, 0.4); color: #ff9b9e; }
.alert-ok    { background: rgba(47, 191, 113, 0.12); border-color: rgba(47, 191, 113, 0.4); color: var(--active); }
.alert-warn  { background: rgba(224, 163, 46, 0.12); border-color: rgba(224, 163, 46, 0.4); color: var(--pending); }

/* ---- inline form (code + submit) ---- */
.form-inline { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.form-inline input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text);
  padding: 9px 12px;
  font: inherit;
}
.form-inline input:focus { outline: none; border-color: var(--primary); }

/* ---- TOTP QR ---- */
.qr {
  display: block;
  background: #fff;
  padding: 10px;
  border-radius: 10px;
  margin: 8px 0;
}

.card form { margin-top: 10px; }
.card + .card, .card form + form { margin-top: 10px; }

/* ---- backup codes ---- */
.codes {
  list-style: none;
  padding: 0;
  margin: 14px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.codes code { display: block; text-align: center; padding: 8px; font-size: 15px; }

/* ---- helpers ---- */
.muted { color: var(--muted); }
.small { font-size: 13px; }
a { color: var(--primary); }