body { background: #fff; font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; margin: 0; min-height: 100vh; }
.centered-logo-title { text-align: center; margin-top: 60px; margin-bottom: 32px; }
.centered-logo-title img { width: 72px; margin-bottom: 18px; }
.centered-logo-title h1 { font-size: 2.2rem; font-weight: 600; margin-bottom: 0.2rem; }
.centered-logo-title .subtitle { color: #6b7280; font-size: 1.08rem; font-weight: 400; }
.auth-card { max-width: 472px; margin: 0 auto; background: #fff; border-radius: 12px; box-shadow: 0 2px 16px rgba(0,0,0,0.06); padding: 2.5rem 2.2rem 2.2rem 2.2rem; }
.tab-btn { width: 50%; border: none; background: #f1f5f9; color: #222; font-weight: 600; padding: 0.7rem 0; border-radius: 8px 8px 0 0; transition: background 0.2s; font-size: 1.08rem; }
.tab-btn.active { background: #fff; color: #2563eb; border-bottom: 2px solid #2563eb; }
.tab-switch { display: flex; margin-bottom: 1.7rem; border-radius: 8px 8px 0 0; overflow: hidden; background: #f1f5f9; }
.auth-card label { font-weight: 500; color: #222; margin-bottom: 0.3rem; text-align: left; display: block; }
.form-control { background: #f7fafc; border: 1px solid #e5e7eb; border-radius: 8px; font-size: 1.05rem; padding: 0.7rem 1rem; margin-bottom: 1.1rem; }
.btn-primary { background: #2563eb; border: none; font-weight: 600; font-size: 1.08rem; border-radius: 8px; padding: 0.7rem 0; margin-bottom: 1.2rem; }
.btn-primary:hover { background: #1749b1; }
.or-divider { display: flex; align-items: center; text-align: center; color: #b0b6be; font-size: 0.98rem; margin: 1.2rem 0 1.1rem 0; }
.or-divider::before, .or-divider::after { content: ''; flex: 1; border-bottom: 1px solid #e5e7eb; margin: 0 10px; }
.oauth-btns { display: flex; gap: 0.7rem; }
.oauth-btn { flex: 1; border-radius: 8px; border: 1px solid #e5e7eb; background: #fff; color: #222; font-weight: 500; font-size: 1.05rem; padding: 0.6rem 0; display: flex; align-items: center; justify-content: center; gap: 0.5rem; transition: background 0.15s, border 0.15s; }
.oauth-btn:hover { background: #f1f5f9; border-color: #b0b6be; }
#toast { position: fixed; top: 16px; right: 16px; background: #1a2634; color: #fff; padding: 10px 20px; border-radius: 6px; display: none; z-index: 1000; box-shadow: 0 2px 8px rgba(0,0,0,0.15); }
@media (max-width: 600px) { .auth-card { padding: 1.2rem; } .centered-logo-title { margin-top: 30px; } }
.auth-header {
  text-align: left;
  margin-bottom: 0.7rem;
}
.auth-title {
  font-size: 1.18rem;
  font-weight: 600;
  color: #222;
}
.auth-subtitle {
  color: #6b7280;
  font-size: 1.01rem;
}