/* 用户登录/注册：Bootstrap Modal 外壳 + 自定义内容（design-tokens） */
/* 抬高层级，避免被首页 #main 内高 z-index 装饰层遮挡 */
#userAuthModal.modal {
  z-index: 2000;
}

/* 偏上展示：通过 dialog margin-top 控制，避免 show/hide 期间布局跳变 */
.user-auth-modal.modal {
  overflow-x: hidden;
  overflow-y: auto;
}

body.modal-open .modal-backdrop {
  z-index: 1990;
  backdrop-filter: blur(4px);
}

.user-auth-modal .modal-dialog,
.user-auth-modal .user-auth-modal__dialog {
  /* 兼容旧浏览器：避免 min() 失效后宽度撑满导致隐藏时看起来左飘 */
  width: calc(100% - 1.5rem);
  max-width: 430px;
  /* 用 Bootstrap 方式水平居中，避免隐藏时左移 */
  margin: clamp(2.25rem, 12vh, 6.5rem) auto 1.25rem;
  margin-left: auto !important;
  margin-right: auto !important;
  flex: 0 0 auto;
}

/* 显式锁定该弹窗过渡，避免被其它全局样式污染 */
.user-auth-modal.fade .modal-dialog {
  transform: translate(0, -50px);
}

.user-auth-modal.show .modal-dialog {
  transform: none;
}

.user-auth-modal .modal-content {
  border: 1px solid #e8e8ea;
  border-radius: 16px;
  box-shadow:
    0 24px 64px rgba(26, 39, 68, 0.18),
    0 8px 24px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.user-auth-modal .modal-header {
  padding: 1.25rem 1.35rem 0.5rem;
  border-bottom: 1px solid #ececef;
  margin-bottom: 0;
}

.user-auth-modal .modal-header .close {
  margin: -0.35rem -0.25rem -0.35rem auto;
  padding: 0;
  width: 2.25rem;
  height: 2.25rem;
  border: 0;
  border-radius: 999px;
  background: #f3f3f5;
  color: #5c5c66;
  font-size: 1.35rem;
  line-height: 1;
  opacity: 1;
  transition: background 0.15s ease, color 0.15s ease;
}

.user-auth-modal .modal-header .close:hover {
  background: #e8e8ec;
  color: #1a1a1a;
}

.user-auth-modal .modal-header .close:focus,
.user-auth-modal .modal-header .close:active {
  outline: 0;
  box-shadow: none;
}

.user-auth-modal .modal-body {
  padding: 2rem 1.35rem 1.25rem;
}

.auth-modal__title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary, #1a1a1a);
  margin: 0;
  letter-spacing: -0.02em;
}

.auth-modal__hint {
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--text-light, #999);
  text-align: center;
  margin: 0 0 1rem;
  padding: 0 0.25rem;
}

.auth-modal__segment {
  display: flex;
  gap: 0.35rem;
  padding: 0.2rem;
  margin-bottom: 1rem;
  background: #f5f5f7;
  border-radius: 12px;
}

.auth-modal__segment-btn {
  flex: 1;
  border: 0;
  border-radius: 10px;
  padding: 0.5rem 0.65rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary, #666);
  background: transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.auth-modal__segment-btn:hover {
  color: var(--text-primary, #1a1a1a);
}

.auth-modal__segment-btn.is-active {
  background: #fff;
  color: var(--primary-solid, #ff6a00);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.auth-modal__segment-btn:focus,
.auth-modal__segment-btn:active {
  outline: 0;
  box-shadow: none;
}

.auth-modal__label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary, #666);
  margin-bottom: 0.35rem;
}

.auth-modal__label--with-icon {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.auth-modal__label-icon {
  display: inline-flex;
  flex-shrink: 0;
  color: var(--text-secondary, #666);
  line-height: 0;
}

.auth-modal__label-icon svg {
  display: block;
}

.auth-modal__otp-row {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
}

.auth-modal__otp-row .form-control {
  flex: 1;
  min-width: 0;
}

.auth-modal__otp-row .btn {
  flex-shrink: 0;
  white-space: nowrap;
  min-width: 7.5rem;
}

.auth-modal__submit {
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.55rem 1rem;
  border: 0;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(
    135deg,
    var(--primary-start, #ffc415),
    var(--primary-middle, #ff7a00) 45%,
    var(--primary-end, #d61b03)
  );
  box-shadow: 0 4px 14px rgba(255, 106, 0, 0.35);
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}

.auth-modal__submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(255, 106, 0, 0.42);
}

.auth-modal__submit:active {
  transform: translateY(0);
}

.auth-modal__submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.auth-modal__aux-link-wrap {
  margin-top: 0.7rem;
  text-align: right;
}

.auth-modal__aux-link {
  border: 0;
  padding: 0;
  background: none;
  color: var(--primary-solid, #ff6a00);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-size: 0.95rem;
}

.auth-modal__aux-link:hover {
  color: var(--primary-end, #d61b03);
}

.auth-modal__field-error {
  min-height: 1.05rem;
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--error, #e53935);
}

.auth-modal__field-error:empty {
  margin-top: 0;
}

.auth-modal__form-error {
  margin: 0.25rem 0 0.25rem;
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--error, #e53935);
}

.auth-modal__form-error:empty {
  margin-top: 0;
  margin-bottom: 0;
}

.auth-modal__feedback {
  min-height:0.5rem;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  line-height: 1.4;
}

.auth-modal__method-footer {
  margin-top: 1rem;
  padding-top: 0.85rem;
  margin-bottom: 0.5rem;
  border-top: 1px solid #ececef;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
}

.auth-modal__method-footer__row {
  width: 100%;
  display: flex;
  justify-content: center;
  text-align: center;
}

.auth-modal__btn-icon {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  line-height: 0;
}

.auth-modal__btn-icon svg {
  display: block;
}

.auth-modal__method-switch {
  border: 0;
  padding: 0;
  background: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--primary-solid, #ff6a00);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.auth-modal__method-switch:hover {
  color: var(--primary-end, #d61b03);
}

.auth-modal__method-switch:focus,
.auth-modal__method-switch:focus-visible,
.auth-modal__method-switch:active,
.auth-modal__aux-link:focus,
.auth-modal__aux-link:focus-visible,
.auth-modal__aux-link:active,
.auth-modal__back-btn:focus,
.auth-modal__back-btn:focus-visible,
.auth-modal__back-btn:active {
  outline: 0;
  box-shadow: none;
}

/* 主按钮：去掉焦点环，保留原有渐变按钮阴影（非描边） */
.auth-modal__submit:focus,
.auth-modal__submit:focus-visible,
.auth-modal__submit:active {
  outline: 0;
  box-shadow: 0 4px 14px rgba(255, 106, 0, 0.35);
}

.auth-modal__submit:hover:focus,
.auth-modal__submit:hover:active {
  box-shadow: 0 6px 18px rgba(255, 106, 0, 0.42);
}

/* Bootstrap 轮廓按钮在 modal 内点击时的默认 focus ring */
#userAuthModal .btn:focus,
#userAuthModal .btn.focus,
#userAuthModal .btn:active,
#userAuthModal .btn:focus:active {
  outline: none !important;
  box-shadow: none !important;
}

.auth-modal__method-switch--minor {
  margin-left: 0;
  color: var(--text-secondary, #666);
}

.auth-modal__reset-top {
  margin-bottom: 0.25rem;
}

.auth-modal__back-btn {
  border: 0;
  padding: 0;
  background: none;
  color: var(--text-secondary, #666);
  font-size: 0.875rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.auth-modal__back-btn:hover {
  color: var(--text-primary, #1a1a1a);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.auth-modal__feedback.is-error {
  color: var(--error, #e53935);
}

.auth-modal__feedback.is-success {
  color: var(--success, #2ecc71);
}

.auth-modal__feedback.is-muted {
  color: var(--text-light, #999);
}

.auth-modal__navlink {
  font-size: inherit;
  vertical-align: baseline;
  text-decoration: none !important;
}

.auth-modal__navlink:hover {
  color: var(--primary-solid, #ff6a00) !important;
}