.account {
  max-width: 520px;
  margin: 8px auto 0;
}

.account-card {
  padding: clamp(22px, 4vw, 34px);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 18px 40px rgba(16, 36, 45, 0.08);
}

.account-card h2,
.account-card h3 {
  color: var(--ink);
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.account-card h2 {
  margin: 0 0 10px;
  font-size: clamp(1.4rem, 4.5vw, 1.9rem);
}

.account-card h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.account-badge {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 12px;
  border-radius: 999px;
  color: var(--ink);
  background: var(--brand);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.account-note {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.55;
}

.account-tabs {
  display: flex;
  padding: 5px;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  gap: 6px;
}

.account-tab {
  flex: 1;
  padding: 10px 14px;
  border: 0;
  border-radius: 999px;
  color: var(--ink-soft);
  background: transparent;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

.account-tab.is-active {
  color: var(--paper);
  background: var(--ink);
}

.account-form,
.account-field {
  display: flex;
  flex-direction: column;
}

.account-form { gap: 14px; }
.account-field { gap: 6px; }

.account-field span {
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 600;
}

.account-field input {
  padding: 12px 14px;
  border: 2px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  background: var(--paper);
  font: inherit;
  font-size: 1rem;
}

.account-field input:focus-visible {
  outline: none;
  border-color: var(--brand);
}

.account-error {
  margin: 0;
  color: #c02626;
  font-size: 0.9rem;
}

.account-submit {
  display: inline-block;
  padding: 13px 18px;
  margin-top: 4px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  color: var(--ink);
  background: var(--brand);
  font: inherit;
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
}

.account-submit:hover { box-shadow: 0 10px 24px rgba(16, 36, 45, 0.16); }
.account-submit:disabled { opacity: 0.6; cursor: not-allowed; }
.account-submit--ghost { background: transparent; }

.account-card--dashboard {
  max-width: 680px;
}

.account-dashboard-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.account-dashboard-heading .account-badge {
  margin-bottom: 9px;
  background: #d8f7e7;
}

.account-status-dot {
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  margin-top: 8px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: #35c987;
  box-shadow: 0 0 0 5px rgba(53, 201, 135, 0.15);
}

.account-dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0 16px;
}

.account-dashboard-stat {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
}

.account-dashboard-stat > span {
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.account-dashboard-stat strong {
  display: block;
  margin: 2px 0 2px;
  color: var(--ink);
  font-family: var(--display);
  font-size: 2rem;
  line-height: 1;
}

.account-dashboard-stat p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.84rem;
  line-height: 1.4;
}

.account-soon--dashboard {
  margin: 0 0 18px;
}

.account-dashboard-link {
  color: var(--ink);
  font-weight: 700;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.account-progress-list {
  padding: 18px 0 4px;
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

.account-progress-list-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.account-progress-list-heading h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.05rem;
}

.account-progress-list-toggle {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 4px 0;
  border: 0;
  color: var(--ink);
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.account-progress-list-toggle__title {
  overflow: hidden;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-progress-list-toggle__state {
  flex: 0 0 auto;
  color: var(--ink-soft);
  font-size: .75rem;
  font-weight: 800;
}

.account-progress-list-toggle__arrow {
  display: inline-block;
  margin-left: 4px;
  transition: transform 180ms var(--ease-out);
}

.account-progress-list-toggle[aria-expanded="true"] .account-progress-list-toggle__arrow {
  transform: rotate(180deg);
}

.account-progress-list-toggle:hover .account-progress-list-toggle__title {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.account-progress-list-toggle:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 4px;
}

.account-progress-list-heading a {
  color: var(--ink);
  font-size: .8rem;
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.account-progress-list-content > ul {
  display: grid;
  gap: 8px;
  padding: 0;
  margin: 14px 0 0;
  list-style: none;
}

.account-progress-list-content[hidden] {
  display: none;
}

.account-progress-list-content > ul > li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.account-progress-list-content > ul > li > div {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.account-progress-list-content > ul > li strong {
  overflow: hidden;
  color: var(--ink);
  font-size: .9rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-progress-list-content > ul > li span {
  color: var(--ink-soft);
  font-size: .78rem;
}

.account-progress-list-content > ul > li > a {
  flex: 0 0 auto;
  color: var(--ink);
  font-size: .8rem;
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.account-quiz-results {
  margin-top: 10px;
}

.account-quiz-stage-summary {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: .8rem;
  line-height: 1.45;
}

.account-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  margin-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: .78rem;
}

.account-pagination button {
  min-width: 44px;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.account-pagination button:hover:not(:disabled) {
  color: var(--ink);
  background: var(--brand);
}

.account-pagination button:disabled {
  opacity: .45;
  cursor: not-allowed;
}

.account-history-caption {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: .8rem;
  line-height: 1.45;
}

.account-quiz-history .account-progress-list-heading > div {
  min-width: 0;
}

.account-quiz-history-item {
  align-items: flex-start;
}

.account-detail-button,
.account-detail-close {
  min-height: 44px;
  padding: 8px 13px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
  font-size: .8rem;
  font-weight: 800;
  cursor: pointer;
}

.account-detail-button:hover,
.account-detail-close:hover {
  background: var(--brand);
}

.account-detail-button:focus-visible,
.account-detail-close:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 3px;
}

.account-attempt-detail-container {
  margin-top: 18px;
}

.account-attempt-detail {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
}

.account-attempt-detail-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.account-attempt-detail-heading .account-badge {
  margin-bottom: 8px;
}

.account-attempt-detail-heading h3 {
  margin-bottom: 4px;
}

.account-attempt-detail-meta {
  margin: 0;
  color: var(--ink-soft);
  font-size: .8rem;
  line-height: 1.45;
}

.account-attempt-score {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 0;
  margin: 18px 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.account-attempt-score span {
  color: var(--ink-soft);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.account-attempt-score strong {
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.15rem;
}

.account-attempt-questions {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
  counter-reset: attempt-question;
}

.account-attempt-question {
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  counter-increment: attempt-question;
}

.account-attempt-question-heading {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
  color: var(--ink-soft);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.account-attempt-question-status,
.account-attempt-question-points {
  padding: 3px 7px;
  border-radius: 999px;
  font-size: .7rem;
  letter-spacing: 0;
  text-transform: none;
}

.account-attempt-question-status.is-correct {
  color: #155c3d;
  background: #e4f8ed;
}

.account-attempt-question-status.is-partial {
  color: #76510b;
  background: #fff2c7;
}

.account-attempt-question-status.is-wrong,
.account-attempt-question-status.is-unanswered {
  color: #8d2929;
  background: #fde8e8;
}

.account-attempt-question-points {
  margin-left: auto;
  color: var(--ink);
  background: var(--paper);
}

.account-attempt-question-text {
  color: var(--ink);
  font-size: .95rem;
  line-height: 1.55;
}

.account-attempt-question-text p:first-child {
  margin-top: 0;
}

.account-attempt-question-text p:last-child {
  margin-bottom: 0;
}

.account-attempt-options {
  display: grid;
  gap: 7px;
  padding: 0;
  margin: 14px 0 0;
  list-style: none;
}

.account-attempt-option {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 9px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  background: var(--paper);
  font-size: .84rem;
  line-height: 1.45;
}

.account-attempt-option-marker {
  display: inline-grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-soft);
  background: var(--white);
  font-size: .72rem;
  font-weight: 800;
}

.account-attempt-option small {
  align-self: center;
  color: var(--ink-soft);
  font-size: .68rem;
  font-weight: 800;
  text-align: right;
}

.account-attempt-option.is-correct {
  border-color: #63ba8c;
  background: #effaf4;
}

.account-attempt-option.is-correct .account-attempt-option-marker {
  border-color: #2f9b67;
  color: #155c3d;
}

.account-attempt-option.is-wrong {
  border-color: #e49a9a;
  background: #fff4f4;
}

.account-attempt-option.is-wrong .account-attempt-option-marker {
  border-color: #c02626;
  color: #8d2929;
}

.account-attempt-answer-lines {
  padding: 11px 0 0;
  color: var(--ink-soft);
  font-size: .8rem;
  line-height: 1.5;
}

.account-attempt-answer-lines p {
  margin: 3px 0;
}

.account-attempt-answer-lines strong {
  color: var(--ink);
}

.account-attempt-explanation-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 11px 0 0;
  margin-top: 10px;
  border: 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
  font: inherit;
  font-size: .82rem;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.account-attempt-explanation-trigger:hover {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.account-attempt-explanation-trigger:focus-visible,
.account-explanation-dialog__close:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 3px;
}

.account-explanation-dialog {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  padding: 16px;
  margin: 0;
  border: 0;
  background: transparent;
  overflow: hidden;
}

.account-explanation-dialog:not([open]) {
  display: none;
}

.account-explanation-dialog::backdrop {
  background: rgba(16, 18, 46, .58);
  backdrop-filter: blur(3px);
}

.account-explanation-dialog__surface {
  display: flex;
  flex-direction: column;
  width: min(680px, 100%);
  max-height: min(80vh, 720px);
  padding: 22px;
  overflow-y: auto;
  overscroll-behavior: contain;
  border: 1px solid var(--line);
  border-radius: 18px;
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 24px 80px rgba(16, 18, 46, .28);
}

.account-explanation-dialog__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.account-explanation-dialog__header .account-badge {
  margin-bottom: 8px;
}

.account-explanation-dialog__header h3 {
  margin: 0;
}

.account-explanation-dialog__close {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 8px 13px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
  font-size: .8rem;
  font-weight: 800;
  cursor: pointer;
}

.account-explanation-dialog__close:hover {
  background: var(--brand);
}

.account-explanation-dialog__body {
  padding-top: 18px;
  margin-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: .82rem;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.account-explanation-dialog__body p:first-child {
  margin-top: 0;
}

.account-explanation-dialog__body p:last-child {
  margin-bottom: 0;
}

.account-dashboard-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 18px;
}

.account-dashboard-actions .account-submit {
  flex: 1 1 190px;
  margin-top: 0;
}

.account-danger-link,
.account-text-button,
.account-back,
.account-inline-button {
  border: 0;
  color: var(--ink-soft);
  background: transparent;
  font: inherit;
  cursor: pointer;
}

.account-danger-link {
  display: block;
  padding: 12px 0 0;
  color: #a52a2a;
  font-size: 0.82rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.account-danger-link:disabled,
.account-inline-button:disabled { opacity: 0.55; cursor: not-allowed; }

.account-text-button,
.account-back {
  padding: 4px 0;
  font-size: 0.88rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.account-back {
  margin-bottom: 15px;
}

.account-check {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.45;
}

.account-check input {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  margin-top: 1px;
  accent-color: var(--brand);
}

.account-check a { color: var(--ink); font-weight: 700; }

.account-success,
.account-verification {
  padding: 12px 14px;
  margin: 0 0 16px;
  border-radius: 12px;
  color: #155c3d;
  background: #e4f8ed;
  font-size: 0.88rem;
  line-height: 1.45;
}

.account-verification p { margin: 0 0 8px; }

.account-inline-button {
  padding: 0;
  color: #155c3d;
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.account-soon {
  padding: 16px 18px;
  margin: 18px 0;
  border: 1px dashed var(--line);
  border-radius: 14px;
  background: var(--paper);
}

@media (prefers-reduced-motion: reduce) {
  .account-submit,
  .account-progress-list-toggle__arrow { transition: none; }
}

@media (max-width: 540px) {
  .account-dashboard-grid { grid-template-columns: 1fr; }
  .account-dashboard-heading { gap: 12px; }
  .account-progress-list-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
  .account-progress-list-toggle { width: 100%; }
  .account-progress-list-heading > a { align-self: flex-start; }
  .account-pagination { align-items: stretch; }
  .account-quiz-history-item { flex-direction: column; }
  .account-detail-button { width: 100%; }
  .account-attempt-detail-heading { flex-direction: column; }
  .account-detail-close { align-self: flex-start; }
  .account-attempt-option { grid-template-columns: auto minmax(0, 1fr); }
  .account-attempt-option small { grid-column: 2; text-align: left; }
  .account-explanation-dialog { padding: 10px; }
  .account-explanation-dialog__surface {
    width: 100%;
    max-height: calc(100vh - 20px);
    padding: 18px;
    border-radius: 14px;
  }
}

@supports (height: 1dvh) {
  .account-explanation-dialog__surface { max-height: min(80dvh, 720px); }
  @media (max-width: 540px) {
    .account-explanation-dialog__surface { max-height: calc(100dvh - 20px); }
  }
}