/* Shared account recovery UI: self-contained on the home, account and study pages. */
.student-accounts-dialog {
  box-sizing: border-box;
  position: fixed;
  inset: auto;
  top: calc(var(--recovery-top, 0px) + var(--recovery-height, 100dvh) / 2);
  left: calc(var(--recovery-left, 0px) + var(--recovery-width, 100vw) / 2);
  transform: translate(-50%, -50%);
  width: min(560px, calc(var(--recovery-width, 100vw) - 32px));
  max-width: none;
  max-height: calc(var(--recovery-height, 100dvh) - 32px);
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid #dce6f6;
  border-radius: 22px;
  background: #fff;
  color: #293e61;
  box-shadow: 0 24px 80px #203b6429;
  font: 14px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  text-align: left;
}
.student-accounts-dialog[open] { display: flex; flex-direction: column; }
.student-accounts-dialog::backdrop { background: #203b6459; backdrop-filter: blur(4px); }
.student-accounts-dialog *, .student-accounts-dialog *::before, .student-accounts-dialog *::after { box-sizing: border-box; }
.student-accounts-dialog [hidden] { display: none !important; }
.student-accounts-dialog .dialog-content { display: flex; flex-direction: column; min-height: 0; max-height: inherit; padding: 0; }
.student-accounts-dialog .recovery-heading { display: flex; flex: none; align-items: center; justify-content: space-between; gap: 12px; padding: 24px 28px; margin: 0; border-bottom: 1px solid #edf1f8; background: #fff; }
.student-accounts-dialog .recovery-title { display: flex; align-items: center; gap: 12px; min-width: 0; }
.student-accounts-dialog .recovery-title > div { min-width: 0; }
.student-accounts-dialog .recovery-brand-icon { display: grid; place-items: center; flex: none; width: 44px; height: 44px; border-radius: 14px; background: #edf4ff; color: #3974e4; }
.student-accounts-dialog .recovery-brand-icon svg { width: 25px; height: 25px; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.student-accounts-dialog .recovery-eyebrow { margin: 0 0 3px; color: #8395b0; font-size: 11px; letter-spacing: .8px; }
.student-accounts-dialog .recovery-heading h2 { margin: 0; color: #293e61; font-size: 21px; font-weight: 600; line-height: 1.4; overflow-wrap: anywhere; outline: none; }
.student-accounts-dialog button { font: inherit; cursor: pointer; -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
.student-accounts-dialog button:disabled { opacity: .5; cursor: default; }
.student-accounts-dialog .recovery-close { display: grid; place-items: center; flex: none; width: 44px; height: 44px; padding: 0; border: 0; border-radius: 12px; color: #8092ad; background: #f5f8fd; }
.student-accounts-dialog .recovery-close:hover { background: #eaf1fc; color: #426bb1; }
.student-accounts-dialog .recovery-close svg { width: 20px; height: 20px; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; fill: none; }
.student-accounts-dialog .recovery-body { min-height: 0; padding: 24px 28px 28px; overflow: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; scroll-padding-block: 18px; }
.student-accounts-dialog p { margin: 0 0 16px; overflow-wrap: anywhere; }
.student-accounts-dialog .recovery-intro { color: #647b9d; margin: 0 0 22px; font-size: 13px; line-height: 1.8; }
.student-accounts-dialog .recovery-flow { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin: 0 0 22px; padding: 0 0 20px; border-bottom: 1px solid #edf1f8; list-style: none; }
.student-accounts-dialog .recovery-flow li { display: flex; align-items: center; gap: 7px; color: #8799b2; font-size: 12px; white-space: nowrap; }
.student-accounts-dialog .recovery-flow li span { display: grid; place-items: center; width: 23px; height: 23px; border-radius: 50%; background: #f0f4fa; color: #8a9cb6; font-size: 11px; }
.student-accounts-dialog .recovery-flow .is-active { color: #426bb1; }
.student-accounts-dialog .recovery-flow .is-active span { background: #eaf2ff; color: #3974e4; }
.student-accounts-dialog .recovery-flow [aria-current] { color: #2563eb; font-weight: 600; }
.student-accounts-dialog .recovery-flow [aria-current] span { background: #2563eb; color: #fff; }
.student-accounts-dialog form { margin: 0; }
.student-accounts-dialog .field { display: flex; flex-direction: column; gap: 8px; min-width: 0; margin: 18px 0 0; color: #4b6385; font-size: 13px; line-height: 1.5; }
.student-accounts-dialog form > .field:first-child { margin-top: 0; }
.student-accounts-dialog .field > span { display: flex; flex-wrap: wrap; align-items: baseline; gap: 5px; }
.student-accounts-dialog .field small { color: #8a9bb4; font-size: 11px; font-weight: 400; }
.student-accounts-dialog .field input { display: block; box-sizing: border-box; width: 100%; min-width: 0; min-height: 48px; margin: 0; padding: 12px 14px; border: 1px solid #dce6f6; border-radius: 10px; background: #fcfdff; color: #293e61; font: 400 16px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif; box-shadow: none; }
.student-accounts-dialog input::placeholder { color: #93a2b8; font-size: 13px; opacity: 1; }
.student-accounts-dialog input:focus-visible, .student-accounts-dialog textarea:focus-visible { border-color: #80a7f2; outline: 3px solid #edf3ff; outline-offset: 0; }
.student-accounts-dialog button:focus-visible, .student-accounts-dialog a:focus-visible { outline: 3px solid #9cbcff; outline-offset: 2px; }
.student-accounts-dialog .recovery-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; margin-top: 18px; }
.student-accounts-dialog .recovery-grid .field { margin: 0; }
.student-accounts-dialog .recovery-help { margin: 8px 0 0; color: #8395b0; font-size: 12px; line-height: 1.8; }
.student-accounts-dialog .inline-error { color: #b75050; font-size: 12px; line-height: 1.7; margin: 12px 0 0; }
.student-accounts-dialog .inline-error:empty { display: none; }
.student-accounts-dialog .button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 46px; margin: 0; padding: 12px 18px; border: 1px solid #dce6f6; border-radius: 10px; background: #fff; color: #426bb1; font: 500 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif; text-decoration: none; white-space: normal; }
.student-accounts-dialog .button.primary { background: #2563eb; border-color: #2563eb; color: #fff; box-shadow: 0 4px 12px #2563eb14; }
.student-accounts-dialog .button.primary:hover:not(:disabled) { background: #1d56d5; border-color: #1d56d5; }
.student-accounts-dialog .button.secondary:hover:not(:disabled) { background: #f2f6ff; }
.student-accounts-dialog .recovery-submit { width: 100%; margin-top: 22px; }
.student-accounts-dialog .recovery-footnote { margin: 20px 0 0; padding-top: 18px; border-top: 1px solid #edf1f8; color: #8395b0; font-size: 12px; line-height: 1.8; }
.student-accounts-dialog .recovery-note { margin: 0 0 20px; padding: 13px 15px; border: 1px solid #e5edfb; border-radius: 12px; color: #647b9d; background: #f6f9ff; font-size: 12px; line-height: 1.8; }
.student-accounts-dialog .recovery-note.is-success { background: #f0faf5; color: #398063; border-color: #dcf0e5; }
.student-accounts-dialog .recovery-empty { padding: 16px; margin: 20px 0 0; border-radius: 12px; background: #f6f9ff; color: #647b9d; font-size: 13px; }
.student-accounts-dialog .recovery-results-heading { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin: 24px 0 12px; font-size: 13px; }
.student-accounts-dialog .recovery-results-heading span { color: #8395b0; font-size: 12px; }
.student-accounts-dialog .recovery-results { display: grid; gap: 10px; }
.student-accounts-dialog .recovery-result { display: flex; align-items: center; gap: 12px; min-width: 0; width: 100%; padding: 14px; border: 1px solid #e1e9f7; border-radius: 12px; background: #fff; color: #293e61; text-align: left; }
.student-accounts-dialog .recovery-result:hover { border-color: #afc8f7; background: #f8faff; }
.student-accounts-dialog .recovery-avatar { display: grid; place-items: center; flex: none; width: 38px; height: 38px; border-radius: 50%; background: #eef4ff; color: #537bc0; font-size: 15px; }
.student-accounts-dialog .recovery-result-name { display: flex; flex: 1; flex-direction: column; gap: 3px; min-width: 0; overflow-wrap: anywhere; }
.student-accounts-dialog .recovery-result strong { font-size: 14px; font-weight: 500; }
.student-accounts-dialog .recovery-result small { color: #8395b0; font-size: 12px; }
.student-accounts-dialog .recovery-result-arrow { color: #7b9ad0; flex: none; }
.student-accounts-dialog .recovery-back { display: inline-flex; align-items: center; min-height: 44px; margin: -12px 0 10px; padding: 6px 0; border: 0; background: transparent; color: #647b9d; font-size: 12px; }
.student-accounts-dialog .recovery-person { display: flex; align-items: center; gap: 12px; padding-bottom: 20px; }
.student-accounts-dialog .recovery-person > div { display: flex; flex-direction: column; min-width: 0; overflow-wrap: anywhere; }
.student-accounts-dialog .recovery-person strong { font-size: 15px; font-weight: 500; }
.student-accounts-dialog .recovery-person span:not(.recovery-avatar) { font-size: 12px; color: #8395b0; }
.student-accounts-dialog .recovery-confirm { display: flex; align-items: flex-start; gap: 10px; margin: 18px 0 0; padding: 12px; border: 1px solid #e6edf8; border-radius: 10px; color: #647b9d; background: #f9fbff; font-size: 12px; line-height: 1.8; cursor: pointer; }
.student-accounts-dialog .recovery-confirm input { flex: none; width: 18px; height: 18px; min-height: 0; margin: 2px 0 0; accent-color: #2563eb; }
.student-accounts-dialog .recovery-success-mark { display: grid; place-items: center; width: 46px; height: 46px; margin: 0 auto 14px; border-radius: 50%; background: #edf8f2; color: #4c9a78; font-size: 23px; }
.student-accounts-dialog .recovery-success-title { text-align: center; font-size: 15px; margin-bottom: 4px; }
.student-accounts-dialog .recovery-recipient { text-align: center; color: #8395b0; font-size: 12px; margin-bottom: 22px; }
.student-accounts-dialog .recovery-code-panel { padding: 18px; border: 1px solid #dce8fc; border-radius: 14px; background: #f5f9ff; text-align: center; }
.student-accounts-dialog .recovery-code-panel label { color: #647b9d; font-size: 12px; }
.student-accounts-dialog .recovery-code-panel textarea { display: block; resize: none; width: 100%; min-width: 0; height: 72px; margin: 10px 0 0; padding: 4px; border: 0; border-radius: 6px; background: transparent; color: #2d5aa8; font: 500 18px/1.5 ui-monospace, Consolas, monospace; text-align: center; overflow-wrap: anywhere; overflow: hidden; }
.student-accounts-dialog .recovery-code-panel p { color: #8395b0; font-size: 11px; margin: 8px 0 0; }
.student-accounts-dialog .recovery-actions { display: grid; grid-template-columns: minmax(0, 1fr) 100px; gap: 10px; margin-top: 24px; }
.student-accounts-dialog .recovery-copy-status { margin: 12px 0 0; color: #398063; font-size: 12px; text-align: center; }
.student-accounts-dialog .recovery-copy-status:empty { display: none; }
.recovery-load-status { font: 12px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif; color: #b75050; }
.recovery-load-status:empty { display: none; }
.recovery-login-note { color: #26684d !important; background: #edf9f3; border-radius: 10px; padding: 10px 14px; }
.auth-forgot { display: block; margin: 0 0 16px auto; font-size: 14px; color: #3165c6; }
.recovery-account { overflow-wrap: anywhere; }
@media (max-width: 680px) {
  .study-ui .account-bar.has-student-management { grid-template-columns: 1fr; }
  .study-ui .account-bar.has-student-management .account-actions { grid-column: 1; grid-row: auto; justify-content: flex-end; flex-wrap: wrap; }
}
@media (max-width: 560px) {
  .student-accounts-dialog { width: calc(var(--recovery-width, 100vw) - 24px); max-height: calc(var(--recovery-height, 100dvh) - 24px); border-radius: 18px; }
  .student-accounts-dialog .recovery-heading { padding: 18px 20px; }
  .student-accounts-dialog .recovery-heading h2 { font-size: 20px; }
  .student-accounts-dialog .recovery-body { padding: 20px; }
  .student-accounts-dialog .recovery-grid { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .student-accounts-dialog .recovery-flow { gap: 4px; }
  .student-accounts-dialog .recovery-flow li { gap: 5px; font-size: 11px; }
  .student-accounts-dialog .recovery-flow li span { width: 21px; height: 21px; }
  .student-accounts-dialog .recovery-actions { grid-template-columns: minmax(0, 1fr); }
  .student-accounts-dialog .recovery-code-panel { padding: 15px 12px; }
}
@media (max-width: 360px) {
  .student-accounts-dialog .recovery-brand-icon { display: none; }
  .student-accounts-dialog .recovery-body { padding: 18px; }
  .student-accounts-dialog .recovery-heading { padding: 16px 18px; }
}