/* Scoped teacher sign-in, sharing the workbench's brand tokens. */
.teacher-login-page { min-height: 100vh; min-height: 100dvh; height: auto; display: flex; flex-direction: column; background: var(--bg-soft); font-size: 14px; }
.teacher-login-page [hidden] { display: none !important; }
.teacher-login-page .login-topbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px max(24px,calc((100vw - 1200px)/2)); background: var(--panel); border-bottom: 1px solid var(--border); }
.teacher-login-page .brand { padding: 0; min-width: 0; }
.teacher-login-page .brand .logo { width: 36px; height: 36px; font-size: 18px; }
.teacher-login-page .brand-text b { font-size: 15px; }
.teacher-login-page .brand-text small { margin-top: 2px; font-size: 11px; color: var(--text-mid); }
.teacher-login-page .login-role { flex-shrink: 0; color: var(--brand-deep); background: var(--brand-soft); padding: 4px 12px; border-radius: 6px; font-size: 12px; }
.teacher-login-page .login-main { flex: 1; display: grid; align-items: center; justify-items: center; padding: 64px 24px; }
.teacher-login-page .login-card { width: min(100%,480px); min-width: 0; padding: 40px; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: 0 6px 24px rgba(20,26,40,.04); }
.teacher-login-page .login-heading { text-align: center; margin-bottom: 32px; }
.teacher-login-page h1 { font-size: 28px; line-height: 1.4; margin: 0 0 12px; letter-spacing: .5px; }
.teacher-login-page #intro { margin: 0; color: var(--text-mid); font-size: 13px; line-height: 1.9; }
.teacher-login-page h2 { font-size: 17px; margin: 0 0 8px; }
.teacher-login-page .setup-hint { margin: 0 0 24px; color: var(--text-mid); font-size: 12px; }
.teacher-login-page .login-field { margin-bottom: 20px; }
.teacher-login-page .login-field label { display: block; margin-bottom: 9px; font-weight: 500; }
.teacher-login-page .login-field input { width: 100%; min-width: 0; min-height: 52px; padding: 12px 14px; border: 1px solid var(--border-strong); border-radius: 8px; background: var(--panel); font-size: 16px; transition: border-color .15s,box-shadow .15s; }
.teacher-login-page .login-field input::placeholder { color: var(--text-mid); font-size: 14px; }
.teacher-login-page .login-field input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(91,91,214,.12); }
.teacher-login-page .login-submit { display: block; width: 100%; min-height: 48px; margin-top: 24px; font-size: 15px; }
.teacher-login-page .login-submit:disabled { opacity: .65; cursor: wait; }
.teacher-login-page :is(a,button):focus-visible { outline: 3px solid var(--brand); outline-offset: 4px; }
.teacher-login-page .login-status { margin: 18px 0 0; padding: 12px; border-radius: 8px; background: var(--warn-soft); color: #855008; font-size: 13px; overflow-wrap: anywhere; }
.teacher-login-page .login-status:empty { display: none; }
.teacher-login-page .login-continue { display: block; margin-top: 18px; padding: 10px; text-align: center; color: var(--brand-deep); font-weight: 600; }
.teacher-login-page .student-entry { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--border); color: var(--text-mid); font-size: 13px; }
.teacher-login-page .student-entry a { color: var(--brand-deep); font-weight: 500; }
.teacher-login-page a:hover { text-decoration: underline; }
.teacher-login-page .login-footer { text-align: center; padding: 0 20px 24px; color: var(--text-mid); font-size: 12px; }
@media (max-width: 600px) {
  .teacher-login-page .login-topbar { padding: 16px; gap: 10px; }
  .teacher-login-page .brand { gap: 8px; }
  .teacher-login-page .brand-text b { font-size: 13px; }
  .teacher-login-page .brand-text small { font-size: 10px; }
  .teacher-login-page .login-role { padding: 4px 8px; font-size: 11px; }
  .teacher-login-page .login-main { padding: 36px 16px; }
  .teacher-login-page .login-card { padding: 30px 24px; }
  .teacher-login-page h1 { font-size: 25px; }
  .teacher-login-page .login-heading { margin-bottom: 28px; }
}
@media (max-height: 650px) {
  .teacher-login-page .login-main { padding-top: 28px; padding-bottom: 28px; }
}