:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --text: #152238;
  --muted: #5b6678;
  --surface: #ffffff;
  --primary: #1d4ed8;
  --primary-dark: #1e40af;
  --border: #d7dfec;
}

* {
  box-sizing: border-box;
}

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

.hero {
  background: linear-gradient(140deg, #e8f0ff, #f8fbff 60%, #eef8ff);
  padding: 1.25rem 1rem 2rem;
  border-bottom: 1px solid var(--border);
}

.top-nav {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.brand {
  font-size: 1.2rem;
  font-weight: 700;
}

.auth-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.provider-btn,
button[type="submit"] {
  display: inline-block;
  border: 1px solid var(--primary);
  background: var(--surface);
  color: var(--primary);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

button[type="submit"] {
  background: var(--primary);
  color: white;
}

.provider-btn:hover,
button[type="submit"]:hover {
  background: var(--primary-dark);
  color: white;
}

.hero-content {
  max-width: 900px;
  margin: 1.75rem auto 0;
}

.hero-content h1 {
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  margin: 0 0 0.6rem;
}

main {
  max-width: 980px;
  margin: 1rem auto 2rem;
  padding: 0 1rem;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.8rem;
}

.card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem;
  background: #fbfdff;
}

.card-title {
  margin: 0 0 0.35rem;
}

.card-description {
  margin: 0;
  color: var(--muted);
}

.field-row {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
}

input,
textarea,
select {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem;
  font: inherit;
}

.actions {
  margin-top: 0.75rem;
}

.muted {
  color: var(--muted);
}

.saved-list {
  display: grid;
  gap: 0.5rem;
}

/* ── Auth error banner ──────────────────────────────────────────────────── */
.auth-error {
  background: #fef3c7;
  border: 1px solid #fbbf24;
  border-radius: 8px;
  padding: 0.5rem 0.9rem;
  margin: 0.75rem 0 0;
  color: #78350f;
  font-size: 0.9rem;
}

/* ── User greeting ──────────────────────────────────────────────────────── */
.user-greeting {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
}

.provider-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: var(--border);
  color: var(--muted);
}

.provider-badge.provider-google    { background: #e8f5e9; color: #2e7d32; }
.provider-badge.provider-github    { background: #f0f4ff; color: #1a237e; }
.provider-badge.provider-microsoft { background: #e3f2fd; color: #0d47a1; }

.logout-btn {
  border-color: var(--border) !important;
  background: transparent !important;
  color: var(--muted) !important;
  font-size: 0.875rem;
  padding: 0.35rem 0.8rem;
}

.logout-btn:hover {
  background: var(--bg) !important;
  color: var(--text) !important;
}

/* ── Repo link ──────────────────────────────────────────────────────────── */
.repo-link {
  display: inline-block;
  margin-top: 0.4rem;
  font-size: 0.85rem;
  color: var(--primary);
}

/* ── Delete button ──────────────────────────────────────────────────────── */
.delete-btn {
  margin-top: 0.5rem;
  border: 1px solid #fca5a5;
  background: #fff5f5;
  color: #dc2626;
  border-radius: 6px;
  padding: 0.3rem 0.7rem;
  font-size: 0.8rem;
  cursor: pointer;
}

.delete-btn:hover {
  background: #fee2e2;
}