/* V9 structural overrides. V8 compatibility CSS is kept frozen for visual parity. */
a { color: inherit; text-decoration: none; }
.page-bar .back-button { display: grid; place-items: center; }
.scene { width: 100%; }
.loading-state { padding: 48px 22px; color: var(--muted); text-align: center; }
.fatal-state { margin: auto; max-width: 420px; padding: 32px 22px; text-align: center; }
.fatal-state h1 { font-size: 22px; }
.fatal-state p { margin: 14px 0 24px; color: var(--muted); line-height: 1.7; }
.fatal-state .primary { display: inline-flex; min-width: 140px; }
.dialog-content > .gate-body { display: contents; }
.dialog-actions { display: contents; }
.rank-link { min-height: 44px; display: flex; align-items: center; justify-content: center; gap: 5px; }
.result-review { margin-top: 24px; }
.result-review-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.result-review-heading h2 { margin: 0; font-size: 16px; font-weight: 600; }
.result-review-heading > span { color: var(--muted); font-size: 12px; }
.result-question-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.result-question { min-width: 0; min-height: 44px; padding: 8px 0; border: 1px solid; border-radius: 9px; font-size: 15px; font-variant-numeric: tabular-nums; }
.result-question[data-state="correct"] { background: #e8f0e3; border-color: #cfdfc8; color: #4b7550; }
.result-question[data-state="wrong"] { background: #f8e9e3; border-color: #ebd3c9; color: #995949; }
.result-question[data-state="unanswered"] { background: #f2f3f1; border-color: #dde2dc; color: #63706a; }
.result-review-legend { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 12px; color: var(--muted); font-size: 12px; }
.result-review-legend > span { display: inline-flex; align-items: center; gap: 6px; }
.result-review-legend > span::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #a3ada6; }
.result-review-legend > [data-state="correct"]::before { background: #76a176; }
.result-review-legend > [data-state="wrong"]::before { background: #cf917f; }
.result-review + .result-actions { margin-top: 24px; }
.rank-cta { min-height: 48px; }
.activity-summary .rank-top { justify-content: flex-start; }
.activity-summary .rank-chevron { margin-left: auto; }
.rank-real-badge { margin-left: auto; padding: 2px 7px; border-radius: 999px; background: #e9f3e8; color: #4e7657; font-size: 9px; font-weight: 600; }
.activity-summary .rank-main { gap: 0; margin-top: 9px; }
.activity-metric { display: grid; flex: 1; gap: 3px; min-width: 0; }
.activity-metric + .activity-metric { border-left: 1px solid #edf0e6; padding-left: 16px; }
.activity-metric b { color: #344f43; font-size: 20px; font-weight: 650; line-height: 1.15; font-variant-numeric: tabular-nums; }
.activity-metric span { color: #717e6f; font-size: 9px; }
.rank-screen .rank-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin-top: 16px; padding: 4px; border-radius: 12px; background: var(--soft); }
.rank-screen .rank-tabs button { min-height: 40px; padding: 7px 8px; border-radius: 9px; color: var(--muted); font-size: 12px; font-weight: 550; }
.rank-screen .rank-tabs button[aria-selected="true"] { background: #fff; color: var(--orange-ink); box-shadow: 0 2px 8px #4b382413; }
.rank-screen .rank-state { width: 100%; margin: auto; padding: 18px 8px; color: var(--muted); font-size: 11px; line-height: 1.6; text-align: center; }
.rank-screen .podium > .rank-state { align-self: center; grid-column: 1 / -1; }
.rank-screen img.podium-avatar, .rank-screen img.avatar { object-fit: cover; }
.rank-screen .nearby-list > .rank-state { border: 1px dashed var(--line); border-radius: 14px; background: #fff; }
.rank-screen .nearby-person > strong { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank-screen .rank-mini-goal { grid-template-columns: 1fr; }
.rank-screen .rank-mini-goal[hidden] { display: none; }
.rank-screen .rank-mini-goal > span { min-height: 42px; font-size: 10px; }
.sentence.current { border-left-color: var(--green); background: #edf4ee; }
.transcript.single-word-selection .sentence,
.transcript.single-word-selection .sentence * { -webkit-user-select: none; user-select: none; }
.transcript.single-word-selection .transcript-word { -webkit-user-select: text; user-select: text; cursor: text; }
.answer-sentence .sentence-copy,
.answer-sentence p[lang="zh-CN"] { text-decoration: underline; text-decoration-color: #4f8a68; text-decoration-thickness: 2px; text-underline-offset: 4px; }
.answer-question-label { display: inline-flex; align-items: center; min-height: 22px; margin: 0 7px 2px 0; padding: 1px 7px; border-radius: 999px; background: #dcecdf; color: #285c46; font-size: 11px; font-weight: 700; line-height: 1.4; text-decoration: none; vertical-align: baseline; }
.answer-sentence.current .answer-question-label { background: #c9e1cf; }
.transcript-tools .answer-sentence-toggle { padding: 0; }
.question-visibility[hidden], #convert-button[hidden], #submit-button[hidden], #view-tabs:empty,
.study-toolbar[hidden], .layout-switch[hidden], .practice-content > [hidden] { display: none !important; }
.study-toolbar { display: flex; align-items: center; min-height: 44px; border-bottom: 1px solid #edf0ee; flex-shrink: 0; }
.study-toolbar .view-tabs { flex: 1; border-bottom: 0; }
.layout-switch { display: none; align-items: center; gap: 3px; margin-left: auto; padding: 4px 10px; }
.layout-switch button { min-width: 48px; min-height: 36px; padding: 0 9px; border-radius: 9px; color: #77847d; font-size: 12px; }
.layout-switch button[aria-pressed="true"] { background: #e8f2eb; color: var(--green); font-weight: 650; }
.practice-content { display: flex; flex: 1; min-width: 0; min-height: 0; overflow: hidden; }
.practice-content > div { min-width: 0; min-height: 0; }
.practice-content > .content-scroll { flex: 1; }
.question-list { display: block; padding: 12px; }
.question-card { padding: 16px; border: 1px solid #e3e9e5; border-radius: 14px; background: #fff; scroll-margin: 12px; }
.question-card + .question-card { margin-top: 12px; }
.question-card.active { border-color: #8ab19a; box-shadow: 0 0 0 2px #dcebe1; }
.question-card:last-child { margin-bottom: 2px; }
.question-actions[hidden] { display: none !important; }
.question-translation { margin: -10px 0 18px; color: #61766a; font-size: 14px; line-height: 1.55; }
.option-english, .option-translation { display: block; }
.option-translation { margin-top: 5px; color: #61766a; font-size: 13px; line-height: 1.5; }
.option.selected .option-translation, .option.correct .option-translation { color: #397458; }
.option.wrong .option-translation { color: #9a624f; }
.paper-list .loading-state { padding: 40px 12px; }
.paper-option > span { min-width: 0; }
.paper-title-line { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.practiced-badge { display: inline-flex; align-items: center; gap: 3px; flex: 0 0 auto; padding: 2px 7px 2px 5px; border: 1px solid #cfe5d4; border-radius: 999px; background: #eaf5ec; color: #397c52; font-size: 11px; font-weight: 600; line-height: 1.35; }
.practiced-badge[hidden] { display: none; }
.practiced-badge svg { width: 13px; height: 13px; stroke-width: 2; }
.empty-state h1 { margin-bottom: 10px; }
@media (min-width: 700px) {
  .scene { max-width: 1060px; margin: 0 auto; }
  .rank-screen .rank-scroll { max-width: 620px; margin: 0 auto; }
  .layout-switch:not([hidden]) { display: flex; }
  .practice-content[data-layout="side"] { display: grid; grid-template-areas: "transcript questions"; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .practice-content[data-layout="side"] #transcript-pane { grid-area: transcript; border-right: 1px solid #e1e8e3; }
  .practice-content[data-layout="side"] #question-pane { grid-area: questions; }
  .practice-content[data-layout="stacked"] { display: grid; grid-template-areas: "transcript" "questions"; grid-template-rows: minmax(0, 1fr) minmax(0, 1fr); }
  .practice-content[data-layout="stacked"] #transcript-pane { grid-area: transcript; border-bottom: 1px solid #e1e8e3; }
  .practice-content[data-layout="stacked"] #question-pane { grid-area: questions; }
}