/* 登入／開通畫面 */
.login-screen {
  flex: 1; min-height: 100%; overflow-y: auto; display: flex; flex-direction: column; justify-content: center;
  padding: calc(var(--safe-top) + 32px) 24px calc(var(--safe-bottom) + 32px);
  background: linear-gradient(180deg, var(--gold-tint), var(--bg) 60%);
}
.login-brand { text-align: center; margin-bottom: 24px; }
.login-brand h1 { font-size: 20px; }
.login-logo {
  width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 12px; display: grid; place-items: center;
  background: var(--gold-gradient); color: var(--maroon-dark); box-shadow: var(--halo);
}
.login-logo svg { width: 30px; height: 30px; }
.login-card { background: var(--surface); border-radius: var(--r-card); box-shadow: var(--gloss); padding: 22px 20px; }
.login-card h2 { font-size: 18px; margin-bottom: 4px; }
.login-card .lead { color: var(--text-muted); font-size: 13.5px; margin-bottom: 16px; }
.login-card .btn.block { margin-top: 6px; }
.login-err { color: var(--danger); background: var(--danger-tint); border-radius: var(--r-sm); padding: 8px 12px; font-size: 13.5px; margin-bottom: 12px; }
.login-links { display: flex; justify-content: space-between; gap: 12px; margin-top: 14px; font-size: 13.5px; }
.login-links button { color: var(--gold-deep); font-weight: 600; padding: 4px 0; }

.login-logo-img { width: 132px; height: 132px; border-radius: 28px; object-fit: cover; box-shadow: var(--shadow-sm); margin-bottom: 4px; }