/* ── Auth Screen ────────────────────────────────────────── */
.auth-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
}

.auth-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 40px 36px;
  width: 100%;
  max-width: 400px;
  margin: 20px;
}

.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
}
.auth-logo h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
}

#auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

#auth-form input {
  padding: 12px 14px;
  font-size: 15px;
}

.auth-error {
  background: rgba(231, 76, 60, 0.1);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  text-align: center;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
  color: var(--text-secondary);
  font-size: 12px;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-social {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.btn-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
  transition: background .15s, border-color .15s;
}
.btn-social:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
}
.btn-google svg { flex-shrink: 0; }
.btn-github svg { flex-shrink: 0; }

.auth-forgot {
  text-align: center;
  margin-top: 12px;
  font-size: 13px;
}
.auth-forgot a {
  color: var(--text-secondary);
}
.auth-forgot a:hover { color: var(--accent); }

.auth-switch {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-secondary);
}
.auth-switch a {
  color: var(--accent);
  font-weight: 500;
  margin-left: 4px;
}

.auth-lang {
  display: flex;
  justify-content: center;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}
.auth-lang select {
  font-size: 13px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-secondary);
  border-color: var(--border);
  cursor: pointer;
}