/* PR-UI05: Practice / Learning presentation only. */
body[data-page-module="onlinePractice"] {
  background: var(--ui-canvas, #f6f8fa);
}

body[data-page-module="onlinePractice"] #module-content > .module-page {
  inline-size: min(calc(100% - 48px), 76rem);
  margin-inline: auto;
  padding-block: var(--ui-space-6, 24px) var(--ui-space-9, 48px);
}

body[data-page-module="onlinePractice"] #module-content > .module-page:has(.practice-player) {
  inline-size: min(calc(100% - 48px), 60rem);
}

body[data-page-module="onlinePractice"] #module-content > .module-page > #module-question-host {
  margin: 0;
  border: 0;
  padding: 0;
  background: transparent;
  box-shadow: none;
}

body[data-page-module="onlinePractice"] .practice-directory-compact {
  border-color: var(--ui-line-strong, #b9c7cd);
  border-radius: var(--ui-radius-card, 8px);
  box-shadow: var(--ui-shadow-soft, 0 2px 12px rgb(25 47 53 / 7%));
}

body[data-page-module="onlinePractice"] .practice-directory-scope-row {
  min-block-size: 78px;
  padding: var(--ui-space-4, 16px) var(--ui-space-5, 20px);
}

body[data-page-module="onlinePractice"] .practice-directory-kicker,
body[data-page-module="onlinePractice"] .practice-directory-column h4 {
  color: var(--ui-brand, #063f3c);
  font-size: .875rem;
  letter-spacing: 0;
}

body[data-page-module="onlinePractice"] .practice-directory-current {
  color: var(--ui-body, #34434a);
  font-size: .9375rem;
  line-height: 1.5;
}

body[data-page-module="onlinePractice"] .practice-directory-view-all {
  border-radius: var(--ui-radius-control, 6px);
}

body[data-page-module="onlinePractice"] .practice-directory-cascade {
  padding-block-end: 0;
  background: var(--ui-section, #eef5f3);
}

body[data-page-module="onlinePractice"] .practice-directory-column {
  padding: var(--ui-space-4, 16px);
}

body[data-page-module="onlinePractice"] .practice-directory-options {
  gap: var(--ui-space-2, 8px);
}

body[data-page-module="onlinePractice"] .practice-directory-option {
  position: relative;
  min-block-size: 48px;
  padding: 10px 12px 10px 15px;
  border-color: var(--ui-line, #dce3e8);
  border-radius: var(--ui-radius-control, 6px);
  background: var(--ui-surface, #fff);
  color: var(--ui-ink, #233039);
  box-shadow: none;
}

body[data-page-module="onlinePractice"] .practice-directory-option:is(:hover, :focus-visible) {
  border-color: var(--ui-brand, #063f3c);
  background: #f8fbfa;
}

body[data-page-module="onlinePractice"] .practice-directory-option.is-active {
  border-color: var(--ui-brand, #063f3c);
  background: #fff;
  color: var(--ui-brand, #063f3c);
}

body[data-page-module="onlinePractice"] .practice-directory-option.is-active::before {
  content: "";
  position: absolute;
  inset-block: 7px;
  inset-inline-start: 0;
  inline-size: 3px;
  border-radius: 0 2px 2px 0;
  background: var(--ui-brand, #063f3c);
}

body[data-page-module="onlinePractice"] .practice-directory-option small {
  font-size: .8125rem;
}

body[data-page-module="onlinePractice"] .study-dashboard {
  gap: var(--ui-space-4, 16px);
  padding: 0;
}

body[data-page-module="onlinePractice"] :is(.study-card, .catalog-card, .course-cover-card) {
  border-color: var(--ui-line, #dce3e8);
  border-radius: var(--ui-radius-card, 8px);
  background: var(--ui-surface, #fff);
  box-shadow: none;
}

body[data-page-module="onlinePractice"] :is(.study-card, .catalog-card, .course-cover-card):is(:hover, :focus-within) {
  border-color: var(--ui-brand, #063f3c);
  transform: none;
  box-shadow: var(--ui-shadow-soft, 0 2px 12px rgb(25 47 53 / 7%));
}

body[data-page-module="onlinePractice"] .practice-player {
  inline-size: 100%;
  max-inline-size: 56rem;
  gap: var(--ui-space-4, 16px);
}

body[data-page-module="onlinePractice"] .practice-player-top {
  align-items: flex-start;
  gap: var(--ui-space-4, 16px);
  padding-block-end: var(--ui-space-3, 12px);
  border-block-end: 1px solid var(--ui-line, #dce3e8);
}

body[data-page-module="onlinePractice"] .practice-player-top > div:first-child {
  min-inline-size: 0;
}

body[data-page-module="onlinePractice"] .practice-player-top .eyebrow {
  margin-block-end: 3px;
  color: var(--ui-brand, #063f3c);
  font-size: .875rem;
  letter-spacing: 0;
}

body[data-page-module="onlinePractice"] .practice-player-top h3 {
  margin: 0;
  color: var(--ui-ink, #233039);
  font-size: 1.65rem;
  line-height: 1.35;
}

body[data-page-module="onlinePractice"] .practice-player-scope {
  margin-block-start: 4px;
  color: var(--ui-muted, #62717b);
  font-size: .875rem;
  line-height: 1.5;
}

body[data-page-module="onlinePractice"] .practice-player-top-actions {
  justify-content: flex-end;
  gap: var(--ui-space-2, 8px);
}

body[data-page-module="onlinePractice"] .practice-player-top-actions :is(.button, .practice-share-fab) {
  min-block-size: 40px;
  padding: 8px 11px;
  border: 1px solid var(--ui-line-strong, #b9c7cd);
  border-radius: var(--ui-radius-control, 6px);
  background: var(--ui-surface, #fff);
  color: var(--ui-brand, #063f3c);
  box-shadow: none;
  font-size: .875rem;
}

body[data-page-module="onlinePractice"] .practice-player-top-actions :is(.button, .practice-share-fab):is(:hover, :focus-visible) {
  border-color: var(--ui-brand, #063f3c);
  background: var(--ui-section, #eef5f3);
}

body[data-page-module="onlinePractice"] .practice-progress {
  block-size: 6px;
  border-radius: 3px;
  background: #dce8e5;
}

body[data-page-module="onlinePractice"] .practice-progress > span {
  border-radius: inherit;
  background: var(--ui-brand, #063f3c);
}

body[data-page-module="onlinePractice"] .practice-answer-card {
  border-color: var(--ui-line-strong, #b9c7cd);
  border-radius: var(--ui-radius-card, 8px);
  box-shadow: none;
}

body[data-page-module="onlinePractice"] .practice-answer-card summary {
  min-block-size: 48px;
  padding: 10px 14px;
  color: var(--ui-ink, #233039);
  font-size: .9375rem;
}

body[data-page-module="onlinePractice"] .practice-answer-summary-text {
  color: var(--ui-muted, #62717b);
  font-size: .875rem;
}

body[data-page-module="onlinePractice"] .practice-answer-numbers {
  grid-template-columns: repeat(auto-fill, minmax(46px, 1fr));
  gap: var(--ui-space-2, 8px);
  padding: var(--ui-space-3, 12px);
}

body[data-page-module="onlinePractice"] .practice-answer-number {
  min-inline-size: 46px;
  min-block-size: 46px;
  border-color: var(--ui-line-strong, #b9c7cd);
  border-radius: var(--ui-radius-control, 6px);
  color: var(--ui-ink, #233039);
}

body[data-page-module="onlinePractice"] .practice-answer-number.is-answered::after {
  content: "\2713";
  margin-inline-start: 3px;
  color: var(--ui-brand, #063f3c);
  font-size: .75rem;
}

body[data-page-module="onlinePractice"] .practice-answer-number.is-current {
  border-color: var(--ui-cta, #c95749);
  outline: 2px solid color-mix(in srgb, var(--ui-cta, #c95749) 38%, transparent);
  outline-offset: 2px;
}

body[data-page-module="onlinePractice"] .practice-question-card {
  gap: var(--ui-space-5, 20px);
  border-color: var(--ui-line-strong, #b9c7cd);
  border-radius: var(--ui-radius-card, 8px);
  padding: clamp(20px, 3vw, 32px);
  background: var(--ui-surface, #fff);
  box-shadow: var(--ui-shadow-soft, 0 2px 12px rgb(25 47 53 / 7%));
}

body[data-page-module="onlinePractice"] .practice-question-card .catalog-meta {
  gap: 6px;
}

body[data-page-module="onlinePractice"] .practice-question-card .catalog-meta .tag {
  border-color: transparent;
  background: var(--ui-section, #eef5f3);
  color: var(--ui-brand, #063f3c);
  font-size: .8125rem;
}

body[data-page-module="onlinePractice"] .practice-question-text {
  max-inline-size: 34ch;
  color: var(--ui-ink, #233039);
  font-size: 1.35rem;
  line-height: 1.55;
}

body[data-page-module="onlinePractice"] .practice-option-list {
  gap: 10px;
}

body[data-page-module="onlinePractice"] .practice-option {
  position: relative;
  min-block-size: 56px;
  border-color: var(--ui-line-strong, #b9c7cd);
  border-radius: var(--ui-radius-control, 6px);
  padding: 12px 16px;
  background: var(--ui-surface, #fff);
  font-size: 1rem;
}

body[data-page-module="onlinePractice"] .practice-option:is(:hover, :focus-visible) {
  border-color: var(--ui-brand, #063f3c);
  background: #f8fbfa;
}

body[data-page-module="onlinePractice"] .practice-option:is(.is-selected, [aria-pressed="true"]) {
  border-color: var(--ui-brand, #063f3c);
  box-shadow: inset 4px 0 0 var(--ui-brand, #063f3c);
  background: var(--ui-section, #eef5f3);
  color: var(--ui-brand, #063f3c);
}

body[data-page-module="onlinePractice"] .question-report-disclosure {
  margin-block-start: var(--ui-space-2, 8px);
  padding-block-start: var(--ui-space-3, 12px);
  border-block-start: 1px solid var(--ui-line, #dce3e8);
}

body[data-page-module="onlinePractice"] .question-report-disclosure summary {
  color: #a33c31;
  font-size: .875rem;
}

body[data-page-module="onlinePractice"] .practice-player-actions {
  display: grid;
  grid-template-columns: minmax(8rem, auto) minmax(8rem, auto) minmax(10rem, auto);
  justify-content: space-between;
  gap: var(--ui-space-3, 12px);
  padding-block-start: var(--ui-space-2, 8px);
  border-block-start: 1px solid var(--ui-line, #dce3e8);
}

body[data-page-module="onlinePractice"] .practice-player-actions .button {
  min-block-size: 48px;
}

body[data-page-module="onlinePractice"] .practice-player-actions [data-action="practice-next"] {
  background: var(--ui-brand, #063f3c);
  color: #fff;
}

body[data-page-module="onlinePractice"] .practice-player-actions [data-action="practice-submit"] {
  background: var(--ui-cta, #c95749);
  color: #fff;
}

body[data-page-module="onlinePractice"] .practice-player > .hint[data-practice-answer-progress] {
  margin: 0;
  color: var(--ui-muted, #62717b);
  font-size: .875rem;
  text-align: end;
}

body[data-page-module="onlinePractice"] .practice-result .attempt-summary {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--ui-line-strong, #b9c7cd);
  border-radius: var(--ui-radius-card, 8px);
  background: var(--ui-surface, #fff);
  overflow: hidden;
}

body[data-page-module="onlinePractice"] .practice-result .attempt-summary > span {
  min-block-size: 88px;
  display: grid;
  place-content: center;
  gap: 4px;
  padding: 12px;
  border-inline-end: 1px solid var(--ui-line, #dce3e8);
  color: var(--ui-muted, #62717b);
  text-align: center;
}

body[data-page-module="onlinePractice"] .practice-result .attempt-summary > span:last-child {
  border-inline-end: 0;
}

body[data-page-module="onlinePractice"] .practice-result .attempt-summary strong {
  display: block;
  color: var(--ui-ink, #233039);
  font-size: 1.65rem;
  line-height: 1.1;
}

body[data-page-module="onlinePractice"] .practice-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ui-space-2, 8px);
}

body[data-page-module="onlinePractice"] .practice-result-actions [data-action="practice-retry"] {
  background: var(--ui-cta, #c95749);
  color: #fff;
}

body[data-page-module="onlinePractice"] .practice-result-list {
  display: grid;
  gap: var(--ui-space-3, 12px);
}

body[data-page-module="onlinePractice"] .practice-result-item {
  border: 1px solid var(--ui-line, #dce3e8);
  border-inline-start: 4px solid var(--ui-brand, #063f3c);
  border-radius: var(--ui-radius-control, 6px);
  padding: var(--ui-space-4, 16px);
  background: var(--ui-surface, #fff);
}

body[data-page-module="onlinePractice"] .practice-result-item.is-wrong {
  border-inline-start-color: var(--ui-cta, #c95749);
  background: #fffafa;
}

@media (min-width: 768px) and (max-width: 1023px) {
  body[data-page-module="onlinePractice"] #module-content > .module-page {
    inline-size: min(calc(100% - 40px), 52rem);
  }

  body[data-page-module="onlinePractice"] .practice-directory-cascade {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-page-module="onlinePractice"] .practice-directory-column:nth-child(3) {
    grid-column: 1 / -1;
    border-inline-start: 0;
    border-block-start: 1px solid var(--ui-line, #dce3e8);
  }

  body[data-page-module="onlinePractice"] .practice-directory-column:nth-child(3) .practice-directory-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-page-module="onlinePractice"] .practice-player-top {
    display: grid;
  }

  body[data-page-module="onlinePractice"] .practice-player-top-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 767px) {
  body[data-page-module="onlinePractice"] #module-content > .module-page,
  body[data-page-module="onlinePractice"] #module-content > .module-page:has(.practice-player) {
    inline-size: calc(100% - 24px);
    padding-block: var(--ui-space-4, 16px) calc(112px + env(safe-area-inset-bottom, 0px));
  }

  body[data-page-module="onlinePractice"] .page-head {
    padding-block: var(--ui-space-3, 12px);
  }

  body[data-page-module="onlinePractice"] .page-head .page-context {
    margin-block-end: 0;
  }

  body[data-page-module="onlinePractice"] .practice-directory-scope-row {
    min-block-size: 0;
    padding: var(--ui-space-3, 12px);
  }

  body[data-page-module="onlinePractice"] .practice-directory-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-page-module="onlinePractice"] .practice-directory-cascade {
    grid-template-columns: minmax(0, 1fr);
  }

  body[data-page-module="onlinePractice"] .practice-directory-column:nth-child(3),
  body[data-page-module="onlinePractice"] .practice-directory-column + .practice-directory-column {
    grid-column: auto;
    border-inline-start: 0;
    border-block-start: 1px solid var(--ui-line, #dce3e8);
  }

  body[data-page-module="onlinePractice"] .practice-directory-column:nth-child(3) .practice-directory-options {
    grid-template-columns: minmax(0, 1fr);
  }

  body[data-page-module="onlinePractice"] .practice-player {
    gap: var(--ui-space-3, 12px);
  }

  body[data-page-module="onlinePractice"] .practice-player-top {
    display: grid;
    gap: var(--ui-space-3, 12px);
  }

  body[data-page-module="onlinePractice"] .practice-player-top h3 {
    font-size: 1.4rem;
  }

  body[data-page-module="onlinePractice"] .practice-player-top-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: stretch;
  }

  body[data-page-module="onlinePractice"] .practice-player-top-actions :is(.button, .practice-share-fab) {
    inline-size: 100%;
    min-inline-size: 0;
    min-block-size: 44px;
    white-space: normal;
  }

  body[data-page-module="onlinePractice"] .practice-answer-card summary {
    align-items: flex-start;
  }

  body[data-page-module="onlinePractice"] .practice-answer-summary-text {
    max-inline-size: 60%;
    text-align: end;
  }

  body[data-page-module="onlinePractice"] .practice-answer-numbers {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  body[data-page-module="onlinePractice"] .practice-answer-number {
    min-inline-size: 0;
  }

  body[data-page-module="onlinePractice"] .practice-question-card {
    gap: var(--ui-space-4, 16px);
    padding: var(--ui-space-4, 16px);
  }

  body[data-page-module="onlinePractice"] .practice-question-text {
    font-size: 1.2rem;
  }

  body[data-page-module="onlinePractice"] .practice-option {
    min-block-size: 54px;
    padding: 11px 13px;
  }

  body[data-page-module="onlinePractice"] .practice-player-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--ui-space-2, 8px);
  }

  body[data-page-module="onlinePractice"] .practice-player-actions .button {
    inline-size: 100%;
    min-inline-size: 0;
  }

  body[data-page-module="onlinePractice"] .practice-player-actions [data-action="practice-submit"] {
    grid-column: 1 / -1;
  }

  body[data-page-module="onlinePractice"] .practice-player > .hint[data-practice-answer-progress] {
    text-align: start;
  }

  body[data-page-module="onlinePractice"] .whatsapp-floating-contact {
    display: none !important;
  }

  body[data-page-module="onlinePractice"]:has(.practice-player) .site-header {
    position: static;
    inset: auto;
    transform: none;
  }

  body[data-page-module="onlinePractice"] .practice-result .attempt-summary {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  body[data-page-module="onlinePractice"] .practice-result .attempt-summary > span {
    min-block-size: 74px;
    border-block-end: 1px solid var(--ui-line, #dce3e8);
  }

  body[data-page-module="onlinePractice"] .practice-result .attempt-summary > span:nth-child(3) {
    border-inline-end: 0;
  }

  body[data-page-module="onlinePractice"] .practice-result .attempt-summary > span:nth-last-child(-n + 2) {
    border-block-end: 0;
  }

  body[data-page-module="onlinePractice"] .practice-result .attempt-summary > span:nth-child(4) {
    grid-column: 1 / 2;
  }

  body[data-page-module="onlinePractice"] .practice-result .attempt-summary > span:nth-child(5) {
    grid-column: 2 / 4;
    border-inline-end: 0;
  }

  body[data-page-module="onlinePractice"] .practice-result-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  body[data-page-module="onlinePractice"] .practice-result-actions .button {
    inline-size: 100%;
  }

  body[data-page-module="onlinePractice"] .practice-result-item {
    padding: var(--ui-space-3, 12px);
  }
}

/* Native iPad/Safari keyboard: the keyboard is not part of the page DOM, so
   the focused practice surface receives a local visual-viewport compensation. */
@media (max-width: 1400px) {
  body[data-page-module="onlinePractice"] .practice-player.has-system-pinyin-keyboard,
  body[data-page-module="onlinePractice"] .paper-workspace.has-system-pinyin-keyboard {
    padding-block-end: max(7rem, calc(100vh - var(--pinyin-visual-viewport-height, 100vh) + 7rem));
  }

  body[data-page-module="onlinePractice"] .has-system-pinyin-keyboard :is(.practice-question-card, .paper-question-form, [data-pinyin-input]) {
    scroll-margin-block: 1rem 6rem;
  }

  body[data-page-module="onlinePractice"] .has-system-pinyin-keyboard .practice-player-actions,
  body[data-page-module="onlinePractice"] .has-system-pinyin-keyboard .paper-player-actions {
    position: fixed;
    z-index: 121;
    inset-inline: max(.75rem, env(safe-area-inset-left)) max(.75rem, env(safe-area-inset-right));
    inset-block-end: var(--pinyin-visual-viewport-bottom-gap, 0px);
    max-inline-size: 56rem;
    margin-inline: auto;
    padding: .5rem;
    border: 1px solid var(--ui-line-strong, #b9c7cd);
    background: rgb(255 255 255 / 97%);
    box-shadow: 0 -6px 18px rgb(25 47 53 / 12%);
  }
}

@media (prefers-reduced-motion: reduce) {
  body[data-page-module="onlinePractice"] .practice-player *,
  body[data-page-module="onlinePractice"] .practice-directory-compact * {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}