:root {
  color-scheme: light;
  --color-background: #f8f6ef;
  --color-surface: #ffffff;
  --color-surface-soft: #eef3f9;
  --color-surface-strong: #0b2141;
  --color-text: #0b2141;
  --color-text-muted: #53657a;
  --color-primary: #174ea6;
  --color-primary-hover: #103c82;
  --color-primary-contrast: #ffffff;
  --color-accent: #e7a62b;
  --color-border: #cbd5dc;
  --color-border-strong: #8ca0ae;
  --color-focus: #174ea6;
  --color-error: #a32626;
  --color-success: #176b45;
  --color-error-surface: #fff1f1;
  --color-error-border: #e4a5a5;
  --color-success-surface: #ebf8ee;
  --color-success-border: #8fc69c;
  --shadow-soft: 0 1.2rem 3.2rem rgb(11 33 65 / 11%);
  --shadow-card: 0 .75rem 2rem rgb(11 33 65 / 9%);
  --radius-small: .65rem;
  --radius-medium: 1rem;
  --radius-large: 1.5rem;
  --radius-pill: 999px;
  --container: 76rem;
  --font-display: "Trebuchet MS", "Segoe UI", Arial, sans-serif;
  --font-body: "Segoe UI", Arial, sans-serif;
  --transition-fast: 160ms ease;
  --transition-medium: 240ms ease;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --color-background: #071629;
  --color-surface: #0d294d;
  --color-surface-soft: #112f56;
  --color-surface-strong: #030d19;
  --color-text: #f3f7f8;
  --color-text-muted: #b8c7d1;
  --color-primary: #8bb8ff;
  --color-primary-hover: #b3d1ff;
  --color-primary-contrast: #071629;
  --color-accent: #f2bd55;
  --color-border: #2a455b;
  --color-border-strong: #567086;
  --color-focus: #f2bd55;
  --color-error: #ffb5ae;
  --color-success: #8de0b9;
  --color-error-surface: #3d1f27;
  --color-error-border: #8e4b52;
  --color-success-surface: #123c32;
  --color-success-border: #357b62;
  --shadow-soft: 0 1.2rem 3.2rem rgb(0 0 0 / 24%);
  --shadow-card: 0 .75rem 2rem rgb(0 0 0 / 18%);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--color-background);
}

body {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  margin: 0;
  overflow-x: hidden;
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body.brand-logo-lightbox-open {
  overflow: hidden;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-primary);
  text-underline-offset: .2em;
}

a:hover {
  color: var(--color-primary-hover);
}

:focus-visible {
  outline: .2rem solid var(--color-focus);
  outline-offset: .2rem;
}

[hidden] {
  display: none !important;
}

h1,
h2,
p {
  margin-block-start: 0;
}

h1,
h2 {
  color: var(--color-text);
  font-family: var(--font-display);
  line-height: 1.12;
}

h1 {
  max-width: 13ch;
  margin-block-end: 1.25rem;
  font-size: clamp(2.35rem, 8vw, 4.4rem);
  letter-spacing: -.045em;
  text-wrap: balance;
}

h2 {
  margin-block-end: 1rem;
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  letter-spacing: -.025em;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 2000;
  inset-block-start: .75rem;
  inset-inline-start: .75rem;
  padding: .75rem 1rem;
  border-radius: var(--radius-small);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  color: var(--color-text);
  font-weight: 750;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.portal-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  border-block-end: 1px solid var(--color-border);
  background: var(--color-background);
  box-shadow: 0 .35rem 1.4rem rgb(11 33 65 / 5%);
}

.portal-header__inner {
  min-height: 4.75rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: .75rem 1rem;
  padding-block: .5rem;
}

.portal-header__brand-group {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo-trigger {
  inline-size: min(13.75rem, 50vw);
  min-block-size: 2.75rem;
  display: inline-flex;
  align-items: center;
  padding: .55rem 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.brand-logo-trigger img {
  width: 100%;
}

.brand-logo-dark {
  display: none;
}

:root[data-theme="dark"] .brand-logo-light {
  display: none;
}

:root[data-theme="dark"] .brand-logo-dark {
  display: block;
}

.portal-header__actions {
  grid-column: 1 / -1;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: .5rem;
}

.portal-auth-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .25rem;
}

.portal-auth-nav a {
  position: relative;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  padding: .55rem .75rem;
  border-radius: var(--radius-pill);
  color: var(--color-text);
  font-size: .92rem;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.portal-auth-nav a::after {
  position: absolute;
  inset-inline: .75rem;
  inset-block-end: .2rem;
  height: .15rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
  opacity: 0;
  transform: scaleX(.35);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.portal-auth-nav a:hover,
.portal-auth-nav a:focus-visible,
.portal-auth-nav a[aria-current="page"] {
  background: var(--color-surface-soft);
  color: var(--color-primary);
}

.portal-auth-nav a[aria-current="page"] {
  box-shadow: none;
}

.portal-auth-nav a:hover::after,
.portal-auth-nav a:focus-visible::after,
.portal-auth-nav a[aria-current="page"]::after {
  opacity: 1;
  transform: scaleX(1);
}

.portal-indicator {
  display: none;
  padding-inline-start: 1rem;
  border-inline-start: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: .78rem;
  font-weight: 750;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.portal-main-site-link,
.theme-toggle,
.header-sign-out {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .55rem .85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: .92rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.portal-main-site-link {
  text-decoration: none;
}

.portal-main-site-link:visited {
  color: var(--color-text);
}

.portal-main-site-link:hover,
.theme-toggle:hover,
.header-sign-out:hover {
  border-color: var(--color-accent);
  background: var(--color-surface-soft);
}

.theme-toggle__icon {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
  border: .13rem solid currentColor;
  border-radius: 50%;
}

.theme-toggle[data-theme-mode="light"] .theme-toggle__icon {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 .18rem var(--color-surface), 0 0 0 .26rem currentColor;
}

.theme-toggle[data-theme-mode="dark"] .theme-toggle__icon {
  border-color: var(--color-primary);
  background: var(--color-primary);
  box-shadow: inset -.28rem -.16rem 0 .05rem var(--color-surface);
}

.header-sign-out {
  font-weight: 700;
}

.portal-main {
  position: relative;
  flex: 1;
  display: grid;
  place-items: start center;
  padding-block: 1rem 2.5rem;
  overflow: hidden;
  isolation: isolate;
}

.portal-main::before,
.portal-main::after {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.portal-main::before {
  inline-size: clamp(14rem, 34vw, 32rem);
  block-size: clamp(14rem, 34vw, 32rem);
  inset-block-start: -12%;
  inset-inline-end: -8%;
  background: color-mix(in srgb, var(--color-primary) 9%, transparent);
}

.portal-main::after {
  inline-size: clamp(12rem, 28vw, 25rem);
  block-size: clamp(12rem, 28vw, 25rem);
  inset-block-end: -10%;
  inset-inline-start: -7%;
  border: clamp(1.5rem, 4vw, 3.5rem) solid color-mix(in srgb, var(--color-accent) 12%, transparent);
}

.writing-practice-page .portal-main {
  padding-block-start: .35rem;
}

.session-loader {
  width: min(100% - 2rem, 24rem);
  display: grid;
  justify-items: center;
  gap: 1rem;
  color: var(--color-text-muted);
  text-align: center;
}

.session-loader img {
  width: 4.5rem;
  filter: drop-shadow(0 .6rem 1.2rem rgb(11 33 65 / 16%));
  animation: session-pulse 1.8s ease-in-out infinite;
}

.session-loader p {
  margin: 0;
  font-weight: 700;
}

.auth-shell {
  width: min(100% - 2rem, 66rem);
  display: grid;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.auth-shell--compact {
  max-width: 44rem;
}

.auth-intro > p:not(.eyebrow) {
  max-width: 46ch;
  color: var(--color-text-muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
}

.view-title {
  max-width: 13ch;
  margin-block-end: 1.25rem;
  font-size: clamp(2.35rem, 8vw, 4.4rem);
  letter-spacing: -.045em;
  text-wrap: balance;
}

.eyebrow,
.card-label {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  margin-block-end: 1rem;
  color: var(--color-primary);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 1.9rem;
  height: .18rem;
  background: var(--color-accent);
  content: "";
}

.auth-card,
.dashboard-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.auth-card {
  width: 100%;
  max-width: 31rem;
  justify-self: center;
  padding: clamp(1.35rem, 5vw, 2.5rem);
}

.auth-card form {
  display: grid;
  gap: 1rem;
}

.auth-button {
  width: 100%;
  min-height: 3.15rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  padding: .75rem 1.1rem;
  border: 1px solid var(--color-border-strong);
  border-radius: .75rem;
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 .35rem .85rem rgb(11 33 65 / 8%);
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.auth-button:hover {
  border-color: var(--color-primary);
  color: var(--color-text);
  transform: translateY(-2px);
  box-shadow: 0 .6rem 1.1rem rgb(11 33 65 / 13%);
}

.auth-button:active {
  transform: translateY(0);
}

.auth-button:disabled {
  cursor: wait;
  opacity: .65;
  transform: none;
}

.auth-button--primary {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

.auth-button--primary:hover {
  border-color: var(--color-primary-hover);
  background: var(--color-primary-hover);
  color: var(--color-primary-contrast);
}

.google-mark {
  width: 1.65rem;
  height: 1.65rem;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: #ffffff;
  color: #174ea6;
  font-family: Arial, sans-serif;
  font-weight: 900;
}

.auth-divider {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: .75rem;
  margin-block: 1.35rem;
  color: var(--color-text-muted);
  font-size: .85rem;
}

.auth-divider::before,
.auth-divider::after {
  height: 1px;
  background: var(--color-border);
  content: "";
}

.form-field {
  display: grid;
  gap: .45rem;
}

.form-field label {
  color: var(--color-text);
  font-weight: 750;
}

.form-field input {
  width: 100%;
  min-height: 3.15rem;
  padding: .72rem .85rem;
  border: 1px solid var(--color-border-strong);
  border-radius: .7rem;
  background: var(--color-surface);
  color: var(--color-text);
}

.form-field input:hover {
  border-color: var(--color-primary);
}

.form-field input[aria-invalid="true"] {
  border-color: var(--color-error);
  box-shadow: 0 0 0 .12rem color-mix(in srgb, var(--color-error) 24%, transparent);
}

.supporting-copy {
  margin: 0;
  color: var(--color-text-muted);
  font-size: .88rem;
  line-height: 1.55;
}

.auth-status {
  min-height: 1.6rem;
  margin: 1.15rem 0 0;
  color: var(--color-text-muted);
  font-size: .92rem;
  font-weight: 650;
}

.auth-status[data-state="error"] {
  color: var(--color-error);
}

.auth-status[data-state="success"] {
  color: var(--color-success);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-weight: 750;
  text-decoration: none;
}

.text-link::after {
  content: "→";
}

.configuration-state {
  max-width: 48rem;
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.configuration-state h2 {
  max-width: 18ch;
  font-size: clamp(2rem, 6vw, 3.4rem);
  letter-spacing: -.04em;
}

.dashboard-shell {
  align-self: stretch;
}

.dashboard-intro {
  margin-block-end: clamp(2rem, 5vw, 3.5rem);
}

.student-name {
  margin-block-end: .35rem;
  color: var(--color-text);
  font-size: 1.15rem;
  font-weight: 800;
}

.signed-in-email {
  color: var(--color-text-muted);
  overflow-wrap: anywhere;
}

.dashboard-grid {
  display: grid;
  gap: 1.25rem;
}

.dashboard-card {
  padding: clamp(1.4rem, 4vw, 2.5rem);
}

.dashboard-card--featured {
  border-block-start: .3rem solid var(--color-accent);
}

.dashboard-card p:last-child {
  margin-block-end: 0;
  color: var(--color-text-muted);
}

.security-note {
  max-width: 72ch;
  margin: 1.5rem 0 0;
  padding: 1rem 1.15rem;
  border-inline-start: .25rem solid var(--color-accent);
  background: var(--color-surface-soft);
  color: var(--color-text-muted);
  font-size: .88rem;
}

.writing-practice {
  align-self: stretch;
  max-width: 76rem;
}

.writing-practice__form {
  padding: clamp(1rem, 3vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.writing-practice__field {
  display: grid;
  gap: .6rem;
}

.writing-practice__field label {
  color: var(--color-text);
  font-weight: 800;
}

.writing-practice__textarea {
  width: 100%;
  block-size: clamp(21rem, 46vh, 28rem);
  padding: clamp(1rem, 2.5vw, 1.5rem);
  resize: none;
  overflow-y: auto;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-medium);
  outline: none;
  background: var(--color-background);
  color: var(--color-text);
  font: 1.05rem/1.7 var(--font-body);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 8%);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.writing-practice__textarea::placeholder {
  color: var(--color-text-muted);
  font-family: var(--font-body);
}

.writing-practice__textarea:hover {
  border-color: var(--color-primary);
}

.writing-practice__textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 .2rem color-mix(in srgb, var(--color-primary) 20%, transparent);
}

.writing-practice__textarea[aria-invalid="true"] {
  border-color: var(--color-error);
}

.writing-practice__hint {
  margin: 0;
  color: var(--color-text-muted);
  font-size: .86rem;
}

.writing-practice__actions {
  display: grid;
  gap: .9rem;
  margin-block-start: 1.25rem;
}

.writing-practice__submit,
.writing-practice__counter,
.writing-practice__puzzle {
  min-height: 5rem;
}

.writing-practice__submit {
  align-self: stretch;
  font-size: 1.12rem;
  font-weight: 850;
}

.writing-practice__counter {
  display: grid;
  align-content: center;
  padding: .9rem 1rem;
  border: 1px solid var(--color-error-border);
  border-radius: .75rem;
  background: var(--color-error-surface);
  color: var(--color-error);
}

.writing-practice__counter[data-state="valid"] {
  border-color: var(--color-success-border);
  background: var(--color-success-surface);
  color: var(--color-success);
}

.writing-practice__counter p {
  margin: 0;
  font-weight: 800;
}

.writing-practice__counter span {
  font-size: .82rem;
  font-weight: 650;
}

.writing-practice__puzzle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  margin: 0;
  padding: .7rem .95rem .9rem;
  border: 1px solid var(--color-border);
  border-radius: .75rem;
  background: var(--color-surface-soft);
}

.writing-practice__puzzle legend {
  padding-inline: .35rem;
  color: var(--color-text-muted);
  font-size: .78rem;
  font-weight: 750;
}

.writing-practice__puzzle-row {
  display: flex;
  align-items: center;
  gap: .65rem;
  width: 100%;
}

.writing-practice__puzzle-row label {
  flex: 0 0 auto;
  min-width: max-content;
  color: var(--color-text);
  font-size: 1.05rem;
  font-weight: 750;
  white-space: nowrap;
}

.writing-practice__puzzle input {
  flex: 1 1 auto;
  width: 100%;
  min-width: 10rem;
  max-width: none;
  min-height: 3.05rem;
  padding: .6rem .75rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-small);
  background: var(--color-surface);
  color: var(--color-text);
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
}

.writing-practice__puzzle input[aria-invalid="true"] {
  border-color: var(--color-error);
}

.writing-practice__refresh {
  flex: 0 0 3.05rem;
  width: 3.05rem;
  height: 3.05rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-surface);
  color: var(--color-primary);
  font-size: 1.25rem;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.writing-practice__refresh:hover {
  border-color: var(--color-primary);
  background: var(--color-background);
}

.writing-practice__refresh:active {
  transform: translateY(1px);
}

.writing-practice__field-error {
  min-height: 1.25rem;
  display: block;
  color: var(--color-error);
  font-size: .82rem;
  font-weight: 700;
}

.writing-practice__status {
  min-height: 1.6rem;
  margin: 1rem 0 0;
  color: var(--color-text-muted);
  font-weight: 650;
}

.writing-practice__status[data-state="error"] {
  color: var(--color-error);
}

.writing-practice__status[data-state="success"] {
  color: var(--color-success);
}

.practice-workspace {
  display: grid;
  gap: 1.5rem;
  padding-block: clamp(1.5rem, 4vw, 3rem);
}

.practice-heading > p,
.practice-prompt > p {
  max-width: 72ch;
  color: var(--color-text-muted);
}
.practice-prompt [data-practice-prompt] { white-space: pre-line; }
.practice-material-notice { color: var(--color-primary); font-weight: 750; }
.writing-practice__counter[data-state="warning"] { color: var(--color-warning-text, #8a5700); }

.practice-heading h1 {
  max-width: none;
  margin-block-end: .75rem;
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.practice-unavailable,
.practice-prompt,
.practice-history {
  margin: 0;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.practice-unavailable {
  border-inline-start: .3rem solid var(--color-accent);
  color: var(--color-text-muted);
}

.practice-task-select {
  max-inline-size: 36rem;
  margin-block-end: 1rem;
}

.practice-task-select select {
  inline-size: 100%;
  min-block-size: 3rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-small);
  background: var(--color-surface);
  color: var(--color-text);
  padding: .6rem .75rem;
}

.practice-prompt h2,
.practice-history h2 {
  margin-block-end: .75rem;
}

.practice-prompt ul {
  margin-block-end: 0;
}

.practice-history [data-submission-history] {
  display: grid;
  gap: .85rem;
}

.practice-history-card {
  border-block-start: 1px solid var(--color-border);
  padding-block-start: .85rem;
}

.practice-history-card:first-child {
  border-block-start: 0;
}

.practice-history-card h3,
.practice-history-card p {
  margin-block-end: .35rem;
}

.practice-history-card details {
  border-radius: var(--radius-medium);
  background: var(--color-background);
  padding: .75rem 1rem;
}

.practice-history-card summary {
  color: var(--color-primary);
  cursor: pointer;
  font-weight: 750;
}

.practice-history-card__response {
  margin-block-start: .75rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.practice-confirm {
  inline-size: min(92vw, 34rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  color: var(--color-text);
  padding: 0;
  box-shadow: var(--shadow-soft);
}

.practice-confirm::backdrop {
  background: rgb(4 17 38 / 68%);
}

.practice-confirm > div {
  padding: clamp(1rem, 4vw, 1.5rem);
}

.practice-confirm__actions {
  display: flex;
  justify-content: end;
  gap: .75rem;
  margin-block-start: 1.25rem;
}

.speaking-recorder {
  margin-block-start: 1rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.speaking-recorder__timer {
  margin-block-end: 1rem;
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.speaking-recorder__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.speaking-recorder audio {
  inline-size: min(100%, 42rem);
  margin-block-start: 1rem;
}

@media (max-width: 29.99rem) {
  .practice-confirm__actions {
    flex-direction: column-reverse;
  }

  .practice-confirm__actions .auth-button,
  .speaking-recorder__actions .auth-button {
    inline-size: 100%;
  }
}

.writing-practice__recaptcha-disclosure {
  max-width: 58ch;
  margin: 1rem 0 0;
  color: var(--color-text-muted);
  font-size: .78rem;
  line-height: 1.55;
}

.writing-practice-page .grecaptcha-badge {
  visibility: hidden;
}

.error-shell {
  padding-block: clamp(2rem, 6vw, 5rem);
  text-align: center;
}

.error-shell h1,
.error-shell > p {
  margin-inline: auto;
}

.error-shell > p:not(.eyebrow, .error-code) {
  max-width: 44ch;
  color: var(--color-text-muted);
}

.error-code {
  margin-block-end: .5rem;
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: clamp(5rem, 18vw, 10rem);
  font-weight: 900;
  letter-spacing: -.08em;
  line-height: .8;
}

.error-action {
  width: auto;
  margin-block-start: 1rem;
}

.portal-footer {
  position: relative;
  overflow: hidden;
  padding-block-start: clamp(4rem, 8vw, 7rem);
  background: #061a33;
  color: #dbe5f1;
}

.portal-footer > .container {
  width: min(100% - 2rem, 82rem);
}

.portal-footer__watermark {
  position: absolute;
  inset-inline-start: 50%;
  inset-block-end: .02em;
  display: flex;
  color: rgb(255 255 255 / 5%);
  font-family: var(--font-display);
  font-size: clamp(5rem, 12vw, 12.5rem);
  font-weight: 900;
  letter-spacing: -.065em;
  line-height: .8;
  white-space: nowrap;
  transform: translateX(-50%);
  pointer-events: none;
}

.portal-footer__watermark span:nth-child(2) {
  color: rgb(242 189 85 / 8%);
}

.portal-footer__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  padding-block-end: clamp(2.5rem, 5vw, 4.5rem);
}

.portal-footer__brand {
  width: min(17rem, 100%);
  padding: 0;
}

.portal-footer__brand-area > p:not(.portal-footer__motto, .portal-footer__contact) {
  max-width: 28rem;
  color: #b9c9db;
}

.portal-footer__motto {
  margin: .8rem 0 0;
  color: #f2bd55;
  font-weight: 800;
  letter-spacing: .05em;
}

.portal-footer__contact {
  margin-block: 1.5rem 0;
  color: #f2bd55;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.portal-footer__nav h2,
.portal-footer__main-site h2 {
  margin-block: 0 1rem;
  color: #fff;
  font-size: 1rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.portal-footer__nav ul,
.portal-footer__bottom ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.portal-footer__nav ul {
  display: grid;
  gap: .65rem;
}

.portal-footer__nav a {
  text-decoration: none;
}

.portal-footer__nav a[aria-current="page"] {
  color: #f2bd55;
  font-weight: 800;
  text-decoration: underline;
}

.portal-footer__main-site p {
  color: #b9c9db;
}

.portal-footer__main-link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  padding: .55rem .85rem;
  border: 1px solid #f2bd55;
  border-radius: var(--radius-pill);
  color: #f4f7fb;
  font-weight: 750;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.portal-footer a.portal-footer__main-link:hover,
.portal-footer a.portal-footer__main-link:focus-visible {
  background: #f2bd55;
  color: #071629;
  transform: translateY(-.1rem);
}

.portal-footer__disclaimer {
  position: relative;
  z-index: 1;
  padding-block: 1.25rem;
  border-block: 1px solid rgb(255 255 255 / 13%);
  color: #aebed0;
  font-size: .84rem;
}

.portal-footer__disclaimer p {
  max-width: 74rem;
  margin: 0;
}

.portal-footer__bottom {
  position: relative;
  z-index: 1;
  padding-block: 1.5rem 2rem;
  color: #aebed0;
  font-size: .9rem;
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
}

.portal-footer__bottom p {
  margin: 0;
}

.portal-footer__bottom ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.portal-footer a {
  color: #f4f7fb;
}

.portal-footer a:hover {
  color: #f2bd55;
}

.portal-footer a:focus-visible {
  color: #f2bd55;
}

.back-to-top {
  position: fixed;
  z-index: 1200;
  inset-inline-end: 1.25rem;
  inset-block-end: 1.25rem;
  width: 3rem;
  height: 3rem;
  translate: 0 1rem;
  visibility: hidden;
  border: 2px solid #071629;
  border-radius: 50%;
  background: #e7a62b;
  color: #071629;
  font-size: 1.4rem;
  font-weight: 900;
  opacity: 0;
  pointer-events: none;
  cursor: pointer;
  box-shadow: 0 .45rem 1.1rem rgb(3 13 25 / 22%);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast), translate var(--transition-fast), visibility 0s var(--transition-fast);
}

.back-to-top.is-visible {
  translate: 0;
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition-delay: 0s;
}

.back-to-top.is-visible:hover {
  translate: 0 -.15rem;
  border-color: #e7a62b;
  background: #071629;
  color: #f2bd55;
  box-shadow: 0 .65rem 1.35rem rgb(3 13 25 / 30%);
}

.back-to-top:focus-visible {
  outline: .2rem solid var(--color-focus);
  outline-offset: .2rem;
  box-shadow: 0 0 0 .25rem var(--color-surface), 0 .65rem 1.35rem rgb(3 13 25 / 30%);
}

.back-to-top.is-visible:active {
  translate: 0 .05rem;
  box-shadow: 0 .25rem .65rem rgb(3 13 25 / 24%);
}

.brand-logo-lightbox {
  position: fixed;
  z-index: 1500;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 5vw, 4rem);
  background: rgb(3 13 25 / 88%);
  backdrop-filter: blur(.35rem);
  cursor: pointer;
}

.brand-logo-lightbox img {
  inline-size: min(90vw, 60rem);
  max-block-size: 75vh;
  object-fit: contain;
  cursor: default;
}

@keyframes session-pulse {
  0%, 100% { transform: scale(1); opacity: .78; }
  50% { transform: scale(1.06); opacity: 1; }
}

@media (max-width: 29.999rem) {
  .theme-toggle [data-theme-label],
  .portal-indicator {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .theme-toggle {
    width: 2.75rem;
    padding-inline: .7rem;
  }

  .portal-main-site-link {
    flex: 1 1 auto;
  }

  .header-sign-out {
    padding-inline: .7rem;
    font-size: .88rem;
  }

  .portal-auth-nav {
    width: 100%;
  }

  .portal-auth-nav a {
    flex: 1 1 auto;
    justify-content: center;
  }

  .writing-practice {
    width: min(100% - 1.25rem, var(--container));
  }

  .writing-practice__form {
    padding: .85rem;
  }

  .writing-practice__textarea {
    block-size: 20rem;
    font-size: 1rem;
    line-height: 1.7;
  }

  .writing-practice__puzzle-row {
    flex-wrap: wrap;
  }

  .writing-practice__puzzle-row label {
    flex-basis: 100%;
    min-width: 0;
    white-space: normal;
  }

  .writing-practice__puzzle input {
    flex: 1 1 0;
    min-width: 0;
    max-width: none;
  }
}

@media (min-width: 30rem) {
  .container {
    width: min(100% - 3rem, var(--container));
  }

  .portal-indicator {
    display: inline-flex;
  }

  .portal-footer > .container {
    width: min(100% - 3rem, 82rem);
  }
}

@media (min-width: 48rem) {
  .portal-header__actions {
    grid-column: auto;
    width: auto;
    flex-wrap: nowrap;
  }

  .portal-header--authenticated .portal-header__actions {
    grid-column: 1 / -1;
    width: 100%;
    flex-wrap: wrap;
  }

  .writing-practice__actions {
    grid-template-columns: minmax(11rem, .9fr) minmax(16rem, 1.1fr);
  }

  .writing-practice__puzzle {
    grid-column: 1 / -1;
  }

  .auth-shell:not(.auth-shell--compact) {
    grid-template-columns: minmax(0, 1fr) minmax(22rem, .78fr);
  }

  .auth-shell--compact {
    justify-items: center;
    text-align: center;
  }

  .dashboard-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portal-footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 64rem) {
  .portal-header--authenticated .portal-header__actions {
    grid-column: auto;
    width: auto;
    flex-wrap: nowrap;
  }

  .writing-practice__actions {
    grid-template-columns: minmax(10rem, .72fr) minmax(16rem, 1fr) minmax(24rem, 1.45fr);
  }

  .writing-practice__puzzle {
    grid-column: auto;
  }

  .portal-footer__grid {
    grid-template-columns: 1.2fr .8fr .8fr 1fr;
  }
}

@media (max-width: 47.999rem) {
  .portal-footer__grid {
    grid-template-columns: 1fr;
  }

  .portal-footer__bottom {
    flex-direction: column;
  }

  .portal-footer__watermark {
    inset-block-start: auto;
    inset-block-end: .2rem;
    font-size: clamp(4rem, 22vw, 6rem);
  }
}

@media (min-width: 80rem) {
  .portal-main {
    padding-block: 1.5rem 3rem;
  }

  .writing-practice-page .portal-main {
    padding-block: .35rem 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .back-to-top {
    transition: none;
  }
}

/* Authenticated course and learning modules */
.portal-module-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.portal-module-card h2,
.portal-module-card p {
  margin-block-start: 0;
}

.portal-module-card__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding-block-start: 1rem;
  border-block-start: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-weight: 700;
}

.module-card__action,
.dashboard-card__link {
  width: auto;
  min-width: 9rem;
}

.module-state,
.module-summary dd {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: .25rem .65rem;
  border-radius: var(--radius-pill);
  background: var(--color-surface-soft);
  color: var(--color-text-muted);
  font-size: .85rem;
  font-weight: 800;
}

.module-state[data-state="approved"],
.module-summary dd[data-state="approved"] {
  background: var(--color-success-surface);
  color: var(--color-success);
}

.module-state[data-state="expired"],
.module-state[data-state="revoked"],
.module-summary dd[data-state="expired"],
.module-summary dd[data-state="revoked"] {
  background: var(--color-error-surface);
  color: var(--color-error);
}

.dashboard-grid--learning {
  align-items: stretch;
}

@media (min-width: 64rem) {
  .dashboard-grid--learning {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.dashboard-card__link {
  margin-block-start: 1.25rem;
}

.dashboard-card__note {
  margin-block: 1rem 0;
  color: var(--color-text-muted);
  font-size: .9rem;
}

.module-summary {
  display: grid;
  gap: .65rem;
  margin: 0;
}

.module-summary div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: .45rem;
  border-block-end: 1px solid var(--color-border);
}

.module-summary dt,
.module-summary dd {
  margin: 0;
}

.main-content > [data-dashboard-view] {
  width: 100%;
}

@media (max-width: 47.999rem) {
  .module-card__action,
  .dashboard-card__link {
    width: 100%;
  }
}