:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1f232c;
  --border: #2a2f3a;
  --text: #e6e8ec;
  --muted: #9aa1ad;
  --accent: #22c55e;
  --accent-2: #3b82f6;
  --danger: #ef4444;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.brand { font-weight: 600; font-size: 16px; }

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 20px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.card h2, .card h3 { margin-top: 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.account-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: border-color .15s;
}
.account-card:hover { border-color: var(--accent-2); }
.account-card h3 { margin: 0 0 6px; font-size: 15px; }
.account-card .muted { font-size: 13px; }

.badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  margin-top: 8px;
}
.badge.ok { background: rgba(34,197,94,.15); color: var(--accent); }
.badge.warn { background: rgba(239,68,68,.15); color: var(--danger); }

.btn {
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity .15s;
}
.btn:hover { opacity: .85; }
.btn-primary { background: var(--accent-2); color: white; }
.btn-secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-danger { background: var(--danger); color: white; }
.btn-success { background: var(--accent); color: white; }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 10px; font-size: 12px; }

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

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin: 12px 0 4px;
}
input, textarea {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent-2); }

.muted { color: var(--muted); }
.mono { font-family: "SF Mono", Menlo, Consolas, monospace; font-size: 13px; }

.login-box {
  max-width: 380px;
  margin: 80px auto;
  text-align: center;
}
.login-box .brand-big { font-size: 22px; margin-bottom: 24px; }

.field-copy {
  display: flex;
  gap: 8px;
  align-items: center;
}
.field-copy input { flex: 1; }

.section-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
  margin: 24px 0 10px;
}

.back-link {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
}
.back-link:hover { color: var(--text); }

.status-line { display: flex; align-items: center; gap: 8px; margin: 8px 0; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--danger); }
.dot.on { background: var(--accent); }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}
.modal-overlay.hidden { display: none; }
.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 360px;
  text-align: center;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 10px; right: 14px;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 20px;
  cursor: pointer;
}
.qr-content { margin: 16px 0; min-height: 220px; display: flex; align-items: center; justify-content: center; }
.qr-content img { width: 220px; height: 220px; background: white; border-radius: 8px; }

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  z-index: 100;
}
.toast.error { border-color: var(--danger); color: #fca5a5; }
.toast.success { border-color: var(--accent); color: #86efac; }