@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("/assets/fonts/Alibaba-PuHuiTi-Regular.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("/assets/fonts/Alibaba-PuHuiTi-Bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

:root {
  font-family: var(--feishu-font-family);
  color: var(--workbench-text-primary);
  background: var(--workbench-atmosphere-color);
}

* { box-sizing: border-box; }

/* 兜底：确保 hidden 属性不被其他 display 规则（如 .local-login-form 的 flex）覆盖 */
[hidden] { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--workbench-atmosphere-color);
  background-image: var(--workbench-atmosphere-image);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 18px;
}

.login-card {
  width: min(480px, 100%);
  padding: 24px;
  overflow: hidden;
  border: 1px solid var(--workbench-border-subtle);
  border-radius: var(--feishu-border-radius-large);
  background: var(--workbench-surface-panel);
  box-shadow: var(--workbench-panel-shadow);
  text-align: center;
}

.brand-logo {
  display: block;
  width: min(210px, 72%);
  height: 48px;
  margin: 0 auto 32px;
  object-fit: contain;
}

.login-logo-link {
  display: flex;
  width: min(210px, 72%);
  margin: 0 auto 32px;
}

.login-logo-link .brand-logo {
  width: 100%;
  margin: 0;
}

.method-title {
  font-size: 20px;
  line-height: 1.4;
  font-weight: 700;
}

.method-underline {
  width: 40px;
  height: 4px;
  margin: 10px auto 18px;
  border-radius: 999px;
  background: var(--feishu-color-primary);
}

.qr-frame-wrap {
  position: relative;
  height: 400px;
  max-width: 430px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--workbench-border-subtle);
  border-radius: var(--feishu-border-radius-medium);
  background: #fff;
  box-shadow: 0 1px 2px rgba(31, 35, 41, .08);
  isolation: isolate;
}

#wechat-frame {
  display: block;
  width: 100%;
  height: 400px;
  border: 0;
  background: #fff;
  color-scheme: light;
}

/* Third-party WeChat auth is light-only. Keep its desktop container deliberately light in dark mode. */


/* 微信扫码面板（智学有术式：iframe 二维码 + 刷新 + 提示） */
.wechat-panel .refresh-button {
  display: block;
  margin: 0 auto;
}

.qr-loading {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  color: var(--workbench-text-secondary);
  background: var(--workbench-surface-panel);
  font-size: 14px;
}

.refresh-button,
.open-link {
  border: 0;
  color: var(--workbench-text-accent);
  background: none;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.refresh-button:hover,
.open-link:hover { text-decoration: underline; }

.primary-note {
  margin: 18px 0 4px;
  color: var(--workbench-status-success-text);
  font-size: 14px;
  font-weight: 700;
}

.secondary-note {
  margin: 0;
  color: var(--workbench-text-secondary);
  font-size: 12px;
}

.error-message {
  margin: 14px 0 0;
  padding: 10px 12px;
  border-radius: var(--feishu-border-radius-medium);
  color: var(--workbench-status-danger-text);
  background: var(--workbench-status-danger-bg);
  font-size: 13px;
}

.open-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 12px;
}

@media (max-width: 520px) {
  .login-shell { padding: 0; }
  .login-card {
    min-height: 100vh;
    padding: 26px 16px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }
}

/* —— 本地账号密码登录 —— */
.local-login-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 22px;
}

.local-login-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--workbench-text-secondary);
}

.local-login-field input {
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--workbench-border-strong);
  border-radius: var(--feishu-border-radius-small);
  font-size: 14px;
  color: var(--workbench-text-primary);
  background: var(--workbench-surface-raised);
  outline: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.local-login-field input::placeholder { color: var(--workbench-text-muted); }

.local-login-field input:focus-visible {
  border-color: var(--feishu-color-primary);
  box-shadow: var(--workbench-focus-ring);
}

.local-login-submit {
  height: 48px;
  margin-top: 4px;
  border: 0;
  border-radius: var(--feishu-border-radius-medium);
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  background: var(--feishu-color-primary);
  cursor: pointer;
}

.local-login-submit:hover:not(:disabled) { background: var(--feishu-color-primary-hover); }
.local-login-submit:active:not(:disabled) { background: var(--feishu-color-primary-active); }
.local-login-submit:disabled { color: var(--workbench-text-disabled); background: var(--feishu-color-disabled-bg); opacity: 1; cursor: not-allowed; }

/* —— 登录方式切换（智学有术式下划线大 tab）—— */
.login-method-tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 32px;
  margin: 0 0 20px;
}

.login-method-tab {
  position: relative;
  padding: 0 0 12px;
  border: 0;
  background: none;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--workbench-text-muted);
  cursor: pointer;
  transition: color 0.16s ease;
}

.login-method-tab:hover { color: var(--feishu-color-primary); }

.login-method-tab.已选中 { color: var(--workbench-text-primary); }

.login-method-tab.已选中::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 4px;
  border-radius: 999px;
  background: var(--feishu-color-primary);
}

/* 邮箱登录：密码 / 验证码切换（与智学有术登录页一致的 segmented 容器） */
.email-mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: 0 0 14px;
  padding: 4px;
  border: 1px solid var(--workbench-border-subtle);
  border-radius: var(--feishu-border-radius-small);
  background: var(--workbench-surface-interactive);
}

.email-mode-tab {
  height: 36px;
  border: 0;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--workbench-text-secondary);
  background: transparent;
  cursor: pointer;
  transition: color 0.16s ease, background-color 0.16s ease;
}

.email-mode-tab:hover { color: var(--feishu-color-primary); }

.email-mode-tab.已选中 {
  color: var(--workbench-text-primary);
  background: var(--workbench-surface-raised);
  box-shadow: 0 1px 3px rgba(16, 24, 40, 0.08);
  font-weight: 600;
}

.email-code-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.email-code-row input { flex: 1; }

.email-send-code {
  height: 42px;
  padding: 0 14px;
  border: 1px solid var(--workbench-border-strong);
  border-radius: var(--feishu-border-radius-medium);
  font-size: 13px;
  color: var(--feishu-color-primary);
  background: var(--workbench-surface-raised);
  cursor: pointer;
  white-space: nowrap;
}

.email-send-code:hover:not(:disabled) { background: var(--workbench-surface-selected); }
.email-send-code:disabled { color: var(--workbench-text-disabled); background: var(--feishu-color-disabled-bg); opacity: 1; cursor: not-allowed; }

.login-links {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 4px;
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--workbench-text-secondary);
}

.login-links-text { font-size: 14px; }

.login-links-sep { margin: 0 2px; }

.login-link {
  border: 0;
  background: none;
  padding: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--feishu-color-primary);
  cursor: pointer;
}

.login-link:hover { color: var(--feishu-color-primary-hover); text-decoration: underline; text-underline-offset: 3px; }

.sub-back {
  display: block;
  margin: 14px auto 0;
  text-decoration: none;
}