:root {
  --bg: #0f1420;
  --panel: #171e2e;
  --border: #2a3550;
  --fg: #e6ecf5;
  --muted: #93a1b8;
  --accent: #4f8cff;
  --error: #ff6b6b;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.brand { font-weight: 600; }

.lang-switch { display: flex; align-items: center; gap: 0.5rem; color: var(--muted); font-size: 0.9rem; }
.lang-switch select {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.25rem 0.5rem;
}

.auth-switch { display: flex; align-items: center; gap: 0.75rem; }
.auth-user { color: var(--muted); font-size: 0.85rem; max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.content { max-width: 900px; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

h1 { font-size: 1.3rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 0 0 1rem; }

.config-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.5rem 1.25rem;
  margin: 0;
}
.config-grid dt { color: var(--muted); }
.config-grid dd { margin: 0; overflow-wrap: anywhere; }

#config-form { display: block; }
.form-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.6rem 1.25rem;
  align-items: center;
}
.form-grid label { color: var(--muted); }
.form-grid input {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.4rem 0.6rem;
  font-size: 0.95rem;
  width: 100%;
  max-width: 420px;
}
.form-grid input:focus { outline: none; border-color: var(--accent); }

.actions { margin-top: 1.25rem; }
button[type="submit"] {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}
button[type="submit"]:hover { filter: brightness(1.1); }

.ok { color: #57d38c; margin: 0.25rem 0 0; }

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.section-head h2 { margin: 0; }

button.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}
button.secondary:hover { background: rgba(79, 140, 255, 0.12); }

.row-actions { white-space: nowrap; text-align: right; }
.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0.15rem 0.4rem;
}
.link-btn:hover { text-decoration: underline; }
.link-btn.danger { color: var(--error); }
.col-actions { width: 1%; }

.mono { font-family: var(--mono); }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
td { font-family: var(--mono); overflow-wrap: anywhere; }

.error { color: var(--error); }
.footnote { color: var(--muted); font-size: 0.85rem; margin-top: 1rem; }

/* QR import popup */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(6, 9, 16, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 50;
}
.modal[hidden] { display: none; }
.modal-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  max-width: 380px;
  width: 100%;
  text-align: center;
}
.modal-card h2 { margin: 0; font-size: 1.05rem; }
.modal-card .section-head { justify-content: space-between; }
#qr-conn-id { color: var(--muted); font-size: 0.85rem; margin: 0.75rem 0 0.5rem; }
.qr-frame {
  display: flex;
  justify-content: center;
  background: #ffffff;
  border-radius: 8px;
  padding: 12px;
  margin: 0.5rem auto;
}
.qr-frame canvas { display: block; image-rendering: pixelated; }