/* A compact, in-flow card; the existing flex lane keeps the composer anchored. */
.student-updates[hidden] { display: none; }
.student-updates { display: flex; flex: 0 0 auto; align-items: center; gap: 12px; padding: 13px 16px; border: 1px solid var(--border-mint); border-radius: 18px; background: var(--surface-mint); box-shadow: var(--shadow-mint); color: var(--text-heading); overflow-wrap: anywhere; }
.student-updates-icon { flex: none; object-fit: contain; }
.student-updates-copy { flex: 1; min-width: 0; }
.student-updates-copy h2 { margin: 0 0 4px; font-size: .9rem; line-height: 1.4; font-weight: 800; }
.student-updates-copy p { margin: 0; font-size: .76rem; line-height: 1.5; color: var(--text-supporting); }
.student-updates-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; }
.student-updates-button, .student-updates-dismiss, .student-updates-link { min-height: 36px; padding: 7px 12px; border: 1px solid var(--border-mint); border-radius: 10px; background: var(--color-surface); color: var(--color-accent-strong); font: inherit; font-size: .76rem; font-weight: 750; line-height: 1.4; cursor: pointer; }
.student-updates-dismiss { background: transparent; border-color: transparent; color: var(--text-supporting); }
.student-updates-copy p, .student-updates-dismiss { color: #42666c; }
:root[data-theme="dark"] .student-updates-copy p, :root[data-theme="dark"] .student-updates-dismiss,
body.theme-dark .student-updates-copy p, body.theme-dark .student-updates-dismiss { color: var(--text-supporting); }
.student-updates-button:hover, .student-updates-dismiss:hover { background: var(--color-accent-weak); }
.student-updates .student-updates-button:hover { color: var(--text-heading); }
.student-updates-dialog { box-sizing: border-box; width: min(680px, calc(100% - 32px)); max-height: calc(100dvh - 40px); margin: auto; padding: 0; overflow: hidden; border: 1px solid var(--border-mint); border-radius: 24px; background: var(--color-bg); color: var(--color-text); box-shadow: 0 24px 80px rgba(0, 30, 37, .25); font-family: var(--font-body); overflow-wrap: anywhere; }
.student-updates-dialog[open] { display: flex; flex-direction: column; }
.student-updates-dialog::backdrop { background: rgba(13, 37, 42, .48); }
.student-updates-dialog-header { display: flex; flex: none; align-items: center; justify-content: space-between; gap: 14px; padding: 18px 24px; border-bottom: 1px solid var(--border-mint); }
.student-updates-dialog-header h2 { margin: 0; font-size: 1.25rem; line-height: 1.3; letter-spacing: -.025em; color: var(--text-heading); }
.student-updates-dialog-header button { flex: none; }
.student-updates-dialog-body { min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 22px 24px; scrollbar-gutter: stable; }
.student-updates-dialog-body:focus-visible { outline: 2px solid var(--color-accent); outline-offset: -4px; }
.student-updates-intro { margin: 0 0 10px; font-size: .95rem; color: var(--color-accent-strong); font-weight: 750; }
.student-updates-study-summary { margin: 0 0 20px; font-size: .79rem; line-height: 1.6; color: var(--text-supporting); }
.student-updates-features { display: grid; gap: 15px; }
.student-updates-feature { padding-left: 13px; border-left: 2px solid var(--border-mint); }
.student-updates-feature :is(h3, h4) { margin: 0 0 4px; color: var(--text-heading); font-size: .85rem; line-height: 1.45; }
.student-updates-feature p, .student-updates-details p { margin: 0; font-size: .79rem; line-height: 1.6; color: var(--text-supporting); }
.student-updates-link { padding: 3px 0; border: 0; border-radius: 3px; background: transparent; text-decoration: underline; text-underline-offset: 3px; }
.student-updates-details { margin-top: 18px; font-size: .76rem; color: var(--text-supporting); }
.student-updates-details summary { padding: 7px 0; cursor: pointer; }
.student-updates-footer { display: flex; flex: none; justify-content: flex-end; align-items: center; gap: 14px; padding: 12px 24px; border-top: 1px solid var(--border-mint); }
.student-updates-dialog button { min-height: 44px; }
.student-updates-primary { background: var(--color-accent); color: var(--color-on-accent, #fff); border-color: transparent; }
.student-updates-primary:hover { background: var(--color-accent-strong); }
:root[data-theme="dark"] .student-updates-primary, body.theme-dark .student-updates-primary { color: #0b1220; }
.student-updates-save-note { margin: 0; font-size: .72rem; line-height: 1.5; color: var(--text-supporting); }
.student-updates :is(button, a):focus-visible, .student-updates-dialog :is(button, a, summary, h2):focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; }
/* Native details keep collapsed content out of layout, focus and the accessibility tree. */
.student-updates-section { border: 1px solid var(--border-mint); border-radius: 14px; background: var(--color-surface); }
.student-updates-section + .student-updates-section { margin-top: 10px; }
.student-updates-section-summary { display: flex; align-items: center; gap: 16px; min-height: 44px; padding: 15px 17px; border-radius: 14px; list-style: none; cursor: pointer; transition: background-color 160ms ease; }
.student-updates-section-summary::-webkit-details-marker { display: none; }
.student-updates-section-summary::marker { content: ""; }
.student-updates-section-summary:hover { background: var(--color-accent-weak); }
.student-updates-section-copy { flex: 1; min-width: 0; }
.student-updates-section-title { margin: 0; color: var(--text-heading); font-size: .9rem; font-weight: 750; line-height: 1.45; }
.student-updates-section-label { display: block; margin-bottom: 5px; color: var(--color-accent-strong); font-size: .68rem; line-height: 1.4; font-weight: 750; }
.student-updates-section-description { margin: 5px 0 0; color: var(--text-supporting); font-size: .76rem; line-height: 1.5; }
.student-updates-chevron { box-sizing: border-box; flex: none; width: 8px; height: 8px; margin-right: 3px; border-top: 2px solid currentColor; border-right: 2px solid currentColor; color: var(--color-accent-strong); transform: rotate(45deg); transition: transform 160ms ease; }
.student-updates-section[open] > .student-updates-section-summary .student-updates-chevron { transform: rotate(135deg); }
.student-updates-section-content { padding: 4px 17px 20px; }
.student-updates-section:not([open]) > .student-updates-section-content { display: none; }
.student-updates-section-summary:focus-visible { outline-offset: -3px !important; }
.student-password-guide-badge, .student-password-demo__badge { display: inline-block; font-size: .68rem; font-weight: 750; line-height: 1.4; color: var(--color-accent-strong); }
.student-password-guide-title { margin: 7px 0; font-size: 1.35rem; line-height: 1.25; letter-spacing: -.025em; color: var(--text-heading); }
.student-password-guide-intro { margin: 0 0 18px; font-size: .8rem; line-height: 1.6; color: var(--text-supporting); }
.student-password-guide-situation { margin-top: 22px; }
.student-password-guide-situation h4 { margin: 0 0 10px; font-size: .9rem; line-height: 1.4; color: var(--text-heading); }
.student-password-guide-steps { margin: 0; padding-left: 22px; color: var(--text-supporting); font-size: .8rem; line-height: 1.65; }
.student-password-guide-steps li { padding-left: 3px; margin-top: 8px; }
.student-password-guide-steps li::marker { color: var(--color-accent-strong); font-weight: 750; }
.student-password-guide-signup { margin: 10px 0 0 25px; }
.student-password-guide-signup summary { color: var(--color-accent-strong); font-weight: 700; }
.student-password-guide-note { margin: 14px 0 0; padding: 12px 14px; border-left: 3px solid var(--color-accent); border-radius: 0 10px 10px 0; background: var(--color-surface-2); color: var(--text-supporting); font-size: .77rem; line-height: 1.6; }
.student-password-demo { padding: 16px; border: 1px solid var(--border-mint); border-radius: 16px; background: var(--color-surface); }
.student-password-demo__header { display: flex; flex-wrap: wrap; align-items: center; gap: 5px 10px; margin-bottom: 5px; }
.student-password-demo__badge { padding: 3px 6px; border-radius: 5px; background: var(--color-accent-weak); }
.student-password-demo__title { margin: 0; color: var(--text-heading); font-size: .85rem; }
.student-password-demo__intro, .student-password-demo__motion-note { margin: 4px 0 12px; color: var(--text-supporting); font-size: .73rem; line-height: 1.5; }
.student-password-demo__scenarios { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.student-password-demo__scenario { flex: 1; min-width: 6em; padding: 6px 8px; }
.student-password-demo__scenario.is-active { background: var(--color-accent-weak); color: var(--text-heading); border-color: var(--color-accent); }
.student-password-demo__screen { padding: 10px; border: 1px solid var(--color-border); border-radius: 13px; background: var(--color-surface-2); }
.student-password-demo__card { box-sizing: border-box; max-width: 300px; min-height: 325px; margin: auto; padding: 14px; border: 1px solid var(--color-border); border-radius: 16px; background: var(--color-surface); color: var(--color-text); box-shadow: 0 8px 24px rgba(10, 32, 33, .06); }
.student-password-demo__brand { margin-bottom: 4px; color: var(--color-accent-strong); font-size: .75rem; font-weight: 800; letter-spacing: .06em; }
.student-password-demo__eyebrow { color: var(--text-supporting); font-size: .65rem; }
.student-password-demo__screen-title { margin: 6px 0 8px; color: var(--color-text); font-size: .92rem; font-weight: 750; line-height: 1.25; letter-spacing: -.02em; }
.student-password-demo__screen-copy, .student-password-demo__hint { margin: 8px 0; color: var(--text-supporting); font-size: .68rem; line-height: 1.5; }
.student-password-demo__tabs { display: flex; gap: 10px; margin: 8px 0; border-bottom: 1px solid var(--color-border); }
.student-password-demo__tab { padding: 5px 0; font-size: .65rem; color: var(--text-supporting); }
.student-password-demo__tab.is-active { color: var(--color-accent-strong); border-bottom: 2px solid var(--color-accent); font-weight: 750; }
.student-password-demo__field { margin: 7px 0; }
.student-password-demo__field-label { display: block; font-size: .65rem; font-weight: 700; margin-bottom: 3px; }
.student-password-demo__field-value { display: block; padding: 6px 9px; border: 1px solid var(--color-border); border-radius: 9px; background: var(--color-surface-2); font-size: .72rem; line-height: 1.3; }
.student-password-demo__faux-button { margin-top: 10px; padding: 9px; text-align: center; border: 1px solid transparent; border-radius: 10px; background: var(--color-accent); color: var(--color-on-accent, #fff); font-size: .68rem; font-weight: 750; line-height: 1.4; }
.student-password-demo__faux-button--secondary { background: var(--color-surface-2); border-color: var(--color-border); color: var(--color-accent-strong); }
:root[data-theme="dark"] .student-password-demo__faux-button:not(.student-password-demo__faux-button--secondary), body.theme-dark .student-password-demo__faux-button:not(.student-password-demo__faux-button--secondary) { color: #0b1220; }
.student-password-demo__faux-button.is-highlighted { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.student-password-demo__key { margin: 20px 0; padding: 14px; text-align: center; border-radius: 10px; background: var(--color-surface-2); color: var(--color-accent-strong); font: 800 1.6rem ui-monospace, monospace; letter-spacing: .12em; }
.student-password-demo__checkbox { margin: 12px 0; font-size: .73rem; }
.student-password-demo__caption { min-height: 3.2em; margin: 12px 0 8px; font-size: .77rem; line-height: 1.6; color: var(--text-heading); }
.student-password-demo__progress { display: block; color: var(--text-supporting); font-size: .68rem; margin: 0 0 10px; }
.student-password-demo__controls { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.student-password-demo__controls button { flex: 1 0 auto; padding: 7px 9px; }
.student-password-demo button:disabled, .student-password-demo button[aria-disabled="true"] { opacity: .55; cursor: default; }
@media (min-width: 600px) {
  .student-password-demo { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); column-gap: 16px; }
  .student-password-demo__header, .student-password-demo__intro, .student-password-demo__scenarios { grid-column: 1 / -1; }
  .student-password-demo__screen { grid-column: 1; grid-row: 4 / 7; }
  .student-password-demo__caption { grid-column: 2; grid-row: 4; align-self: center; }
  .student-password-demo__progress { grid-column: 2; grid-row: 5; align-self: end; margin-bottom: 12px; }
  .student-password-demo__controls { grid-column: 2; grid-row: 6; align-self: start; }
  .student-password-demo__motion-note { grid-column: 1 / -1; margin: 12px 0 0; }
}
@media (max-width: 900px) {
  .student-updates { flex-wrap: wrap; gap: 7px 10px; padding: 11px 13px; }
  .student-updates-actions { margin-left: 48px; }
  .student-updates-icon { align-self: flex-start; }
}
@media (max-width: 480px) {
  .student-updates-copy { flex-basis: calc(100% - 48px); }
  .student-updates-dialog { width: calc(100% - 20px); max-height: calc(100dvh - 24px); border-radius: 19px; }
  .student-updates-dialog-header { padding: 12px 16px; }
  .student-updates-dialog-header h2 { font-size: 1.1rem; }
  .student-updates-dialog-body { padding: 18px 16px; }
  .student-updates-footer { padding: 10px 16px; }
  .student-updates-section-summary { padding: 13px; gap: 12px; }
  .student-updates-section-content { padding: 3px 13px 16px; }
  .student-updates-section-title { font-size: .86rem; }
  .student-password-demo { padding: 12px; }
  .student-password-demo__screen { padding: 10px; }
  .student-password-demo__card { padding: 14px; }
  .student-password-demo__controls button { font-size: .72rem; }
}
@media (prefers-reduced-motion: reduce) {
  .student-updates *, .student-updates-dialog * { animation: none !important; transition: none !important; }
}