/* 从 Vue views/auth/index.vue 移植；类名前缀 auth- 避免污染全局 .container */
.auth-page-container {
  --auth-input-row-height: 55px;
  --auth-forms-shift-down: 110px;
  --auth-register-form-shift-y: -158px;
  --auth-brand: var(--color-vue-teal);
  --auth-brand-dark: var(--color-vue-teal-dark);
  --auth-title: clamp(1.5rem, 1.15rem + 1.6vw, 2.2rem);
  --auth-input-font: clamp(16px, 14.5px + 0.45vw, 18px);
  --auth-body: clamp(0.8125rem, 0.7rem + 0.45vw, 1rem);
  --auth-link-font: clamp(13px, 11.5px + 0.55vw, 16px);
  --auth-btn-font: clamp(13px, 12px + 0.3vw, 15px);
  --auth-panel-title: clamp(1.05rem, 0.85rem + 0.9vw, 1.5rem);
  --auth-panel-copy: clamp(0.75rem, 0.65rem + 0.4vw, 0.95rem);
  --auth-switch-font: clamp(0.75rem, 0.68rem + 0.18vw, 0.8rem);
  position: relative;
  width: 100%;
  background-color: #fff;
  min-height: 100vh;
  overflow: hidden;
}

.auth-page-container::before {
  content: '';
  position: absolute;
  height: 2000px;
  width: 2000px;
  top: -10%;
  right: 48%;
  transform: translateY(-50%);
  background-image: linear-gradient(
    -45deg,
    var(--color-vue-teal) 0%,
    var(--color-vue-teal-dark) 100%
  );
  transition: 1.8s ease-in-out;
  border-radius: 50%;
  z-index: 6;
  pointer-events: none;
}

.auth-forms-container {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 10;
  pointer-events: none;
}

.auth-signin-signup {
  position: absolute;
  top: 50%;
  transform: translate(-50%, calc(-50% + var(--auth-forms-shift-down) + var(--auth-forms-shift-down)));
  left: 75%;
  width: 50%;
  transition: 1s 0.7s ease-in-out;
  display: grid;
  grid-template-columns: 1fr;
  z-index: 7;
  pointer-events: auto;
}

.auth-signin-signup form {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 0 5rem;
  transition: all 0.2s 0.7s;
  overflow: visible;
  grid-column: 1 / 2;
  grid-row: 1 / 2;
}

.auth-signin-signup form .auth-form-title {
  font-size: var(--auth-title);
  color: #444;
  margin-bottom: 10px;
  font-weight: 600;
}

.auth-sign-up-form {
  opacity: 0;
  z-index: 1;
  pointer-events: none;
}

.auth-sign-in-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  grid-column: 1 / 2;
  grid-row: 1 / 2;
  z-index: 2;
  transform: translateY(var(--auth-register-form-shift-y));
}

.auth-sign-in-form {
  z-index: 2;
}

.auth-form-item {
  width: 430px;
  max-width: 100%;
  margin-bottom: 24px;
  position: relative;
}

.auth-form-item-error {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  padding-top: 6px;
  text-align: center;
  font-size: 12px;
  line-height: 1;
  color: #ed4014;
}

.auth-input-wrap {
  position: relative;
  width: 100%;
  color: #1a1a1a;
}

.auth-input-prefix {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
  width: 55px;
  height: 55px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #acacac;
  pointer-events: none;
}

.auth-input-prefix svg {
  width: 24px;
  height: 24px;
}

.auth-input {
  width: 100%;
  height: 55px;
  border-radius: 55px;
  border: none;
  background-color: #f0f0f0;
  color: #1a1a1a;
  font-size: var(--auth-input-font, 18px);
  padding-left: 55px;
  padding-right: 16px;
  outline: none;
  box-sizing: border-box;
}

.auth-input::placeholder {
  color: #94a3b8;
}

.auth-input--suffix {
  padding-right: 72px;
}

.auth-input--password {
  padding-right: 48px;
}

.auth-password-toggle {
  position: absolute;
  right: 0;
  top: 0;
  z-index: 9;
  width: 48px;
  height: 55px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: #808695;
  cursor: pointer;
  padding: 0;
}

.auth-password-toggle:hover {
  color: var(--auth-brand);
}

.auth-password-toggle:focus-visible {
  outline: 2px solid var(--auth-brand);
  outline-offset: -2px;
  border-radius: 55px;
}

.auth-input-suffix {
  position: absolute;
  right: 14px;
  top: 0;
  height: 55px;
  line-height: 55px;
  font-size: 14px;
  color: #808695;
  user-select: none;
}

.auth-form-item-error .auth-input-suffix {
  color: #ed4014;
}

.auth-code-field {
  position: relative;
  width: 100%;
}

.auth-code-field .auth-input-prefix {
  z-index: 5;
}

.auth-code-field .auth-input {
  /* 与 .auth-input 默认 padding-left: 55px 一致，保证图标区与占位符间距对齐 */
  position: relative;
  z-index: 1;
  padding-left: 55px;
  padding-right: 128px;
}

.auth-code-btn {
  position: absolute;
  right: 0;
  top: 0;
  z-index: 10;
  pointer-events: auto;
  width: 120px;
  height: 55px;
  line-height: 55px;
  border: none;
  border-radius: 55px;
  background: transparent;
  color: var(--auth-brand);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.auth-code-btn:disabled {
  color: #94a3b8;
  cursor: not-allowed;
}

.auth-btn {
  width: 150px;
  background-color: var(--color-vue-teal);
  border: none;
  outline: none;
  height: 49px;
  border-radius: 49px;
  color: #fff;
  text-transform: uppercase;
  font-weight: 600;
  margin: 10px 0;
  cursor: pointer;
  transition: 0.5s;
  font-size: var(--auth-btn-font, 14px);
}

.auth-btn:hover:not(:disabled) {
  background-color: #2a8577;
}

.auth-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.auth-social-text {
  font-size: var(--auth-body);
  margin-bottom: 10px;
  cursor: pointer;
  color: #333;
  text-align: center;
  line-height: 1.5;
}

.auth-forgot-password-btn {
  padding: 0;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
  position: relative;
  z-index: 3;
}

.auth-forgot-password-wrap {
  position: relative;
  z-index: 3;
  pointer-events: auto;
}

.auth-social-text button.auth-link,
.auth-social-text a.auth-link {
  padding: 0;
  margin: 0 2px;
  border: none;
  background: none;
  color: var(--auth-brand);
  font-size: var(--auth-link-font);
  cursor: pointer;
  text-decoration: underline;
}

.auth-social-text button.auth-link:hover,
.auth-social-text a.auth-link:hover {
  color: #237a6f;
}

.auth-panels-container {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  z-index: 11;
  pointer-events: none;
}

.auth-panel {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-around;
  text-align: center;
  z-index: 6;
  pointer-events: none;
}

.auth-panel .auth-panel-content {
  color: #fff;
  transition: transform 0.9s ease-in-out;
  transition-delay: 0.6s;
  pointer-events: auto;
}

.auth-panel h3 {
  font-weight: 600;
  line-height: 1;
  font-size: var(--auth-panel-title);
  margin: 0;
}

.auth-panel p {
  font-size: var(--auth-panel-copy);
  padding: 0.7rem 0;
  margin: 0;
}

.auth-btn-transparent {
  margin: 0;
  background: none;
  border: 2px solid #fff;
  color: #fff;
  border-radius: 20px;
  width: 130px;
  height: 40px;
  font-weight: 600;
  font-size: var(--auth-switch-font);
  cursor: pointer;
  text-transform: none;
}

.auth-btn-transparent:hover {
  background: rgba(255, 255, 255, 0.12);
}

.auth-left-panel {
  pointer-events: none;
  padding: 3rem 17% 2rem 12%;
}

.auth-right-panel {
  pointer-events: none;
  padding: 3rem 12% 2rem 17%;
  align-items: flex-start;
}

.auth-right-panel .auth-panel-content {
  transform: translateX(800px);
}

/* 注册模式 */
.auth-page-container.sign-up-mode::before {
  transform: translate(100%, -50%);
  right: 52%;
}

.auth-page-container.sign-up-mode .auth-left-panel .auth-panel-content {
  transform: translateX(-800px);
}

.auth-page-container.sign-up-mode .auth-signin-signup {
  left: 25%;
}

.auth-page-container.sign-up-mode .auth-sign-up-form {
  opacity: 1;
  z-index: 2;
  transform: translateY(var(--auth-register-form-shift-y));
  pointer-events: auto;
}

.auth-page-container.sign-up-mode .auth-sign-in-panel {
  opacity: 0;
  z-index: 1;
  pointer-events: none;
}

.auth-page-container.sign-up-mode .auth-sign-in-form {
  opacity: 0;
  z-index: 1;
  pointer-events: none;
}

.auth-page-container.sign-up-mode .auth-right-panel {
  pointer-events: none;
}

.auth-page-container.sign-up-mode .auth-right-panel .auth-panel-content {
  transform: translateX(0);
}

.auth-page-container.sign-up-mode .auth-left-panel {
  pointer-events: none;
}

/* 忘记密码弹窗 */
.auth-forgot-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.58);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* Playwright 实测：Tailwind -translate-x/y-1/2 在 Dialog Popup 上未生效，需 CSS 居中 */
.auth-forgot-modal {
  --auth-modal-pad: 24px;
  --auth-modal-input-h: 55px;
  --auth-modal-title: clamp(16px, 13.5px + 0.9vw, 17px);
  --auth-modal-input-font: clamp(16px, 14.2px + 0.5vw, 18px);
  --auth-modal-code-font: clamp(12px, 10.2px + 0.5vw, 14px);
  --auth-modal-btn-font: clamp(13px, 12px + 0.28vw, 15px);
  --auth-modal-action-font: clamp(13px, 11.6px + 0.32vw, 14px);
  --auth-modal-btn-h: 49px;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 101;
  margin: 0;
  box-sizing: border-box;
  width: min(430px, calc(100vw - 32px));
  max-width: min(430px, calc(100vw - 32px));
  max-height: calc(100dvh - 24px);
  overflow-x: hidden;
  overflow-y: auto;
  background: #fff;
  box-shadow:
    0 24px 48px rgba(15, 23, 42, 0.2),
    0 8px 20px rgba(15, 23, 42, 0.12);
  border: 1px solid rgba(15, 23, 42, 0.08);
  isolation: isolate;
}

.auth-forgot-modal [data-slot='dialog-header'] {
  background: #fff;
  margin: 0;
  padding: 16px var(--auth-modal-pad);
}

.auth-forgot-modal [data-slot='dialog-title'] {
  font-size: var(--auth-modal-title);
  line-height: 1.35;
}

.auth-forgot-modal [data-slot='dialog-footer'] {
  background: #fff;
  margin: 0;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding: 16px var(--auth-modal-pad);
}

.auth-forgot-dialog-content {
  padding: 8px var(--auth-modal-pad) 4px !important;
}

.auth-forgot-dialog-content .auth-input {
  height: var(--auth-modal-input-h);
  border-radius: var(--auth-modal-input-h);
  font-size: var(--auth-modal-input-font);
  padding-left: var(--auth-modal-input-h);
}

.auth-forgot-dialog-content .auth-input-prefix,
.auth-forgot-dialog-content .auth-password-toggle {
  height: var(--auth-modal-input-h);
}

.auth-forgot-dialog-content .auth-input-prefix {
  width: var(--auth-modal-input-h);
}

.auth-forgot-dialog-content .auth-code-field .auth-input {
  padding-left: var(--auth-modal-input-h);
  padding-right: clamp(124px, 46%, 156px);
}

.auth-forgot-dialog-content .auth-code-btn {
  top: 0;
  width: auto;
  max-width: 52%;
  height: var(--auth-modal-input-h);
  line-height: var(--auth-modal-input-h);
  padding: 0 12px;
  font-size: var(--auth-modal-code-font);
  white-space: nowrap;
}

.auth-forgot-modal .auth-btn {
  width: min(200px, 72%);
  height: var(--auth-modal-btn-h);
  border-radius: var(--auth-modal-btn-h);
  margin-top: 0;
  margin-bottom: 0;
  font-size: var(--auth-modal-btn-font);
}

.auth-forgot-dialog-content .auth-form-item {
  width: 100%;
}

.auth-forgot-verify-actions {
  display: flex;
  width: 100%;
  gap: 12px;
  justify-content: flex-end;
}

.auth-forgot-btn {
  min-width: 96px;
  height: 40px;
  padding: 0 20px;
  border-radius: 20px;
  font-size: var(--auth-modal-action-font);
  font-weight: 600;
  cursor: pointer;
  border: none;
}

.auth-forgot-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.auth-forgot-btn--ghost {
  background: #f0f0f0;
  color: #444;
}

.auth-forgot-btn--ghost:hover:not(:disabled) {
  background: #e4e4e4;
}

.auth-forgot-btn--primary {
  background-color: var(--color-vue-teal);
  color: #fff;
}

.auth-forgot-btn--primary:hover:not(:disabled) {
  background-color: #2a8577;
}

/* ≤870px — H5 单栏：水平居中、取消桌面位移、表单与面板分离 */
@media (max-width: 870px) {
  .auth-page-container {
    --auth-forms-shift-down: 0px;
    --auth-register-form-shift-y: 0px;
    min-height: 100dvh;
    height: 100dvh;
    padding: 0;
  }

  .auth-page-container::before {
    width: 1500px;
    height: 1500px;
    transform: translateX(-50%);
    left: 50%;
    bottom: 68%;
    right: initial;
    top: initial;
    transition: 2s ease-in-out;
  }

  .auth-page-container.sign-up-mode::before {
    transform: translate(-50%, 100%);
    bottom: 32%;
    right: initial;
  }

  .auth-page-container.sign-up-mode .auth-left-panel .auth-panel-content {
    transform: translateY(-300px);
  }

  .auth-page-container.sign-up-mode .auth-right-panel .auth-panel-content {
    transform: translateY(0);
  }

  /* 覆盖桌面 .sign-up-mode left:25%，避免注册表单右偏裁切 */
  .auth-signin-signup,
  .auth-page-container.sign-up-mode .auth-signin-signup {
    left: 0;
    right: 0;
    margin-left: auto;
    margin-right: auto;
    width: min(400px, calc(100vw - 32px));
    max-width: calc(100vw - 32px);
    top: 38%;
    transform: translateY(-12%);
    transition: 1s 0.8s ease-in-out;
    box-sizing: border-box;
  }

  .auth-page-container.sign-up-mode .auth-signin-signup {
    top: 12%;
    transform: none;
  }

  .auth-sign-in-panel,
  .auth-page-container.sign-up-mode .auth-sign-up-form {
    transform: none;
  }

  .auth-signin-signup form {
    width: 100%;
    margin: 0 auto;
    padding: 0 !important;
    box-sizing: border-box;
    align-items: center;
  }

  .auth-signin-signup form .auth-form-title {
    text-align: center;
    width: 100%;
  }

  .auth-form-item {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }

  .auth-btn {
    display: block;
    margin-left: auto;
    margin-right: auto;
  }

  .auth-social-text {
    width: 100%;
    max-width: 100%;
    padding: 0 4px;
    box-sizing: border-box;
  }

  .auth-panels-container {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(140px, 26vh) 1fr minmax(120px, 22vh);
  }

  .auth-panel {
    flex-direction: row;
    justify-content: center;
    align-items: center;
    padding: 1.25rem 0;
    grid-column: 1 / 2;
  }

  .auth-panel .auth-panel-content {
    width: min(400px, calc(100vw - 32px));
    max-width: calc(100vw - 32px);
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition-delay: 0.8s;
  }

  .auth-panel h3 {
    line-height: 1.2;
  }

  .auth-panel p {
    padding: 0.5rem 0;
  }

  .auth-btn-transparent {
    width: 110px;
    height: 35px;
  }

  .auth-right-panel {
    grid-row: 3 / 4;
  }

  .auth-right-panel .auth-panel-content {
    transform: translateY(300px);
  }

  .auth-left-panel {
    grid-row: 1 / 2;
  }

  /* 忘记密码 / 注册验证码：跟视口收，到 430 封顶，不再拉成近全宽 */
  .auth-forgot-modal {
    --auth-modal-pad: clamp(16px, 4.2vw, 22px);
    --auth-modal-input-h: clamp(48px, 12vw, 52px);
    --auth-modal-btn-h: clamp(44px, 11vw, 48px);
    width: min(430px, calc(100vw - 24px));
    max-width: min(430px, calc(100vw - 24px));
  }
}

@media (max-width: 570px) {
  .auth-signin-signup form {
    padding: 0;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .auth-panel .auth-panel-content {
    padding: 0.5rem 0;
  }

  .auth-page-container::before {
    bottom: 72%;
    left: 50%;
  }

  .auth-page-container.sign-up-mode::before {
    bottom: 28%;
    left: 50%;
  }

  .auth-signin-signup,
  .auth-page-container.sign-up-mode .auth-signin-signup {
    width: calc(100vw - 32px);
    max-width: calc(100vw - 32px);
  }

  .auth-signin-signup {
    top: 40%;
  }

  .auth-page-container.sign-up-mode .auth-signin-signup {
    top: 10%;
  }

  .auth-form-item {
    margin-bottom: 18px;
  }
}

@media (max-width: 480px) {
  .auth-panel {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }

  .auth-signin-signup form .auth-form-title {
    margin-bottom: 12px;
  }

  .auth-social-text {
    line-height: 1.45;
  }

  .auth-panels-container {
    grid-template-rows: minmax(120px, 24vh) 1fr minmax(110px, 20vh);
  }

  .auth-forgot-modal {
    --auth-modal-pad: 16px;
    --auth-modal-input-h: 48px;
    --auth-modal-btn-h: 44px;
    width: min(430px, calc(100vw - 20px));
    max-width: min(430px, calc(100vw - 20px));
  }

  .auth-forgot-btn {
    min-width: 88px;
    height: 40px;
    padding: 0 16px;
  }

  .auth-forgot-dialog-content .auth-form-item {
    margin-bottom: 14px;
  }
}

@media (max-width: 390px) {
  .auth-forgot-modal {
    --auth-modal-pad: 14px;
    --auth-modal-input-h: 46px;
    --auth-modal-btn-h: 42px;
    width: min(430px, calc(100vw - 16px));
    max-width: min(430px, calc(100vw - 16px));
  }

  .auth-forgot-dialog-content .auth-code-field .auth-input {
    padding-right: clamp(118px, 48%, 140px);
  }

  .auth-forgot-dialog-content .auth-code-btn {
    padding: 0 8px;
  }
}

@media (max-height: 680px) {
  .auth-forgot-modal {
    --auth-modal-input-h: 44px;
    --auth-modal-btn-h: 40px;
  }

  .auth-forgot-dialog-content .auth-form-item {
    margin-bottom: 12px;
  }
}

/*
 * 矮屏注册：表单按内容高度居中在弧线之上，弧顶与协议底边至少留 12px。
 * 仅 sign-up-mode，且高度 ≤780px（再高的视口原间距已够）。登录态与桌面横板不改。
 */
@media (max-width: 870px) and (max-height: 780px) {
  .auth-page-container.sign-up-mode {
    --auth-h5-arc-inset: max(156px, calc(22% + 16px));
  }

  .auth-page-container.sign-up-mode::before {
    bottom: var(--auth-h5-arc-inset);
  }

  .auth-page-container.sign-up-mode .auth-signin-signup {
    top: 8px;
    bottom: calc(var(--auth-h5-arc-inset) + 12px);
    height: auto;
    transform: none;
    align-content: safe center;
    overflow-x: hidden;
    overflow-y: auto;
  }
}