.login-shell { max-width: 100%; box-sizing: border-box; }
.login-panel { min-width: 0; box-sizing: border-box; }
.login-panel h1 { overflow-wrap: anywhere; }
.login-panel .login-form input { min-width: 0; width: 100%; box-sizing: border-box; }
.feishu-login-divider { display: flex; align-items: center; gap: 12px; margin: 20px 0; color: #677285; font-size: 13px; }
.feishu-login-divider::before, .feishu-login-divider::after { content: ""; height: 1px; flex: 1; background: #e0e5ee; }
.feishu-login-button { width: 100%; min-height: 42px; box-sizing: border-box; justify-content: center; color: #1456f0; background: #f5f8ff; border-color: #bdd0fb; }
.feishu-login-button:focus-visible, .feishu-back:focus-visible { outline: 2px solid #1456f0; outline-offset: 3px; }
.feishu-member { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid #e0e5ee; color: #677285; }
.feishu-member strong { color: #172b4d; overflow-wrap: anywhere; }
.feishu-back { display: block; text-align: center; margin-top: 18px; }
.feishu-bindings { background: #fff; padding: 16px; border-top: 1px solid #dfe5ef; }
.feishu-bindings-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.feishu-binding-head, .feishu-binding-row { display: grid; grid-template-columns: minmax(100px, 1.3fr) minmax(90px, 1fr) 80px minmax(120px, 1fr) 100px; gap: 16px; padding: 12px; align-items: center; }
.feishu-binding-head { background: #f1f5f9; font-weight: 600; }
.feishu-binding-row { border-bottom: 1px solid #e5ebf3; }
.feishu-binding-row > div { min-width: 0; overflow-wrap: anywhere; }
.feishu-binding-row small { display: block; color: #677285; margin-top: 4px; }
.feishu-empty { padding: 24px 0; color: #677285; }
@media (max-width: 640px) {
  .login-shell { width: 100%; padding: 16px; }
  .login-panel { width: 100%; padding: 24px 20px; }
  .login-brand { align-items: flex-start; }
  .login-panel h1 { font-size: 22px; }
  .feishu-binding-head { display: none; }
  .feishu-binding-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; padding: 16px 0; }
  .feishu-binding-row form { grid-column: 1 / -1; }
}