/* 听写实验室 v2 · 各模块补全样式
   基础件（btn/card/chip/tag/input/progress/empty/kpi/table/player/tok）已在 app.css 定义，
   这里只补各模块自己的前缀类。 */

/* ============ 通用小件 ============ */
.ex-field,
.pr-field { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--fg2); }
.ex-field-label { font-size: 12.5px; color: var(--fg2); }
.ex-field .select,
.ex-field .input { min-width: 130px; }
.row .pr-field { min-width: 130px; }

/* ============ 真题库 ============ */
.ex-library-header { margin-bottom: 16px; }
.ex-library-header h2 { margin-bottom: 4px; }
.ex-library-header p { margin: 0; font-size: 13.5px; }

.card.ex-filters { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 14px; padding: 14px 16px; }
.card.ex-filters .input { min-width: 200px; flex: 1; }
.ex-result-count { margin: 0 0 12px; font-size: 13px; }

.ex-library-list { display: grid; gap: 14px; }
.card.ex-exam-card { display: flex; flex-direction: column; gap: 10px; padding: 16px 18px; }
.ex-exam-heading { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.ex-exam-heading h3 { margin: 0; font-size: 16.5px; }
.ex-exam-card > p { margin: 0; font-size: 13px; }
.ex-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.ex-piece-list { display: grid; gap: 6px; margin-top: 2px; padding-top: 10px; border-top: 1px solid var(--line); }
.ex-piece-row { display: flex; align-items: center; gap: 10px; }
.ex-piece-title { flex: 1; min-width: 0; font-size: 13px; color: var(--fg2); }
.ex-piece-row .btn { flex: none; }

/* ============ 做题页 ============ */
.ex-runner-header { display: flex; flex-direction: column; gap: 10px; margin-bottom: 14px; }
.ex-title-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ex-exam-title { font-size: 18px; font-weight: 650; }
.ex-status { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 12px 16px; }
.ex-clock-box { display: flex; align-items: baseline; gap: 7px; }
.ex-clock { font-variant-numeric: tabular-nums; font-size: 24px; font-weight: 700; color: var(--acc); letter-spacing: .5px; }
.ex-clock.is-low { color: var(--bad); }
.ex-save-status { margin: 0; margin-left: auto; font-size: 12.5px; }

.card.ex-audio { padding: 14px 16px; margin-bottom: 14px; }
.ex-audio-title { font-size: 13px; color: var(--fg2); margin: 0 0 8px; }
.ex-audio-error { background: var(--bad-dim); color: var(--bad); border-radius: 9px; padding: 10px 14px; font-size: 13px; margin-top: 8px; }

.ex-layout { display: grid; grid-template-columns: minmax(0, 1fr) 268px; gap: 16px; align-items: start; }
.card.ex-question-card { padding: 20px 22px; }
.ex-question-heading { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; font-size: 13px; color: var(--fg2); }
.ex-stem { margin: 0 0 16px; font-size: 17px; line-height: 1.6; font-weight: 600; }
.ex-options { display: flex; flex-direction: column; gap: 9px; }
.ex-option { position: relative; display: flex; gap: 11px; align-items: flex-start; background: var(--bg3); border: 1px solid var(--line2); border-radius: 11px; padding: 12px 14px; font-size: 14.5px; line-height: 1.6; cursor: pointer; transition: border-color .12s, background .12s; }
.ex-option:hover { border-color: var(--acc); }
.ex-option.is-selected { border-color: var(--acc); background: var(--acc-dim); }
.ex-option.is-correct { border-color: var(--ok); background: var(--ok-dim); }
.ex-option.is-wrong { border-color: var(--bad); background: var(--bad-dim); }
.ex-option-input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.ex-option-letter { flex: none; width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--line2); display: grid; place-items: center; font-size: 12.5px; font-weight: 600; margin-top: 1px; }
.ex-option.is-selected .ex-option-letter { background: var(--acc); color: #06232b; border-color: var(--acc); }
.ex-option.is-correct .ex-option-letter { background: var(--ok); color: #06232b; border-color: var(--ok); }
.ex-option.is-wrong .ex-option-letter { background: var(--bad); color: #fff; border-color: var(--bad); }
.ex-option-text { flex: 1; min-width: 0; }

.ex-question-tools { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.ex-note { min-height: 64px; margin-top: 10px; font-size: 13.5px; }
.ex-navigation { display: flex; gap: 10px; justify-content: space-between; align-items: center; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.ex-navigation .spacer { flex: 1; }

.card.ex-answer-sheet { position: sticky; top: 76px; padding: 16px; }
.card.ex-answer-sheet h3 { margin: 0 0 4px; font-size: 15px; }
.ex-number-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 7px; margin-top: 10px; }
.btn.ex-number { padding: 0; min-height: 34px; height: 34px; width: 100%; font-size: 12.5px; border-radius: 8px; position: relative; font-variant-numeric: tabular-nums; }
.btn.ex-number.is-answered { background: var(--acc-dim); border-color: var(--acc); color: var(--acc); }
.btn.ex-number.is-current { outline: 2px solid var(--acc2); outline-offset: 1px; }
.btn.ex-number.is-flagged::after { content: ""; position: absolute; top: 3px; right: 3px; width: 6px; height: 6px; border-radius: 50%; background: var(--warn); }
.progress.ex-progress { margin: 10px 0 0; }
.ex-progress-fill { display: block; height: 100%; background: linear-gradient(90deg, var(--acc), var(--acc2)); border-radius: 5px; transition: width .3s; }
.ex-legend { font-size: 11.5px; line-height: 1.55; margin: 10px 0 0; }

.ex-confirm-host:empty { display: none; }
.ex-confirm { background: var(--warn-dim); border: 1px solid var(--warn); border-radius: 12px; padding: 14px 16px; margin: 14px 0; }
.ex-confirm h3 { margin: 0 0 6px; font-size: 15px; color: var(--warn); }
.ex-confirm p { margin: 0 0 10px; font-size: 13.5px; color: var(--fg2); }
.card.ex-paused { border-color: var(--warn); background: var(--warn-dim); margin: 14px 0; padding: 16px 18px; }
.ex-shortcuts { margin: 14px 0 0; font-size: 12px; }

/* ============ 成绩报告 ============ */
.ex-report-header { margin-bottom: 14px; }
.ex-report-header h2 { margin: 6px 0 2px; font-size: 21px; }
.ex-report-header p { margin: 0; font-size: 13px; }
.card.ex-score-card { display: flex; flex-direction: column; gap: 4px; margin-bottom: 14px; padding: 20px 22px; }
.ex-score-card > span { font-size: 12.5px; color: var(--fg2); }
.ex-score { font-size: 38px; font-weight: 700; line-height: 1.15; color: var(--acc); font-variant-numeric: tabular-nums; }
.ex-percent { margin: 0; font-size: 15px; color: var(--fg); font-weight: 600; }
.ex-score-card .ex-actions { margin-top: 14px; }
.ex-ungraded-note { margin: 8px 0 0; font-size: 12.5px; color: var(--warn); background: var(--warn-dim); border-radius: 8px; padding: 7px 11px; }
.ex-stats-block { margin: 18px 0; }
.ex-stats-block h3 { font-size: 15px; margin: 0 0 8px; }
.ex-stats-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.ex-stats-table th { text-align: left; color: var(--fg2); font-weight: 600; font-size: 12.5px; padding: 7px 10px; border-bottom: 1px solid var(--line2); white-space: nowrap; }
.ex-stats-table td { padding: 8px 10px; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; vertical-align: middle; }
.ex-stats-table tr:hover td { background: var(--bg3); }
.ex-stats-table td:first-child { font-weight: 600; }
.ex-analysis-grid { display: grid; gap: 14px; }

/* 解析条目 */
.ex-review-list { display: grid; gap: 9px; }
.ex-review-item { background: var(--bg2); border: 1px solid var(--line); border-left: 3px solid var(--line2); border-radius: 0 11px 11px 0; padding: 0; }
.ex-review-item.is-correct { border-left-color: var(--ok); }
.ex-review-item.is-wrong { border-left-color: var(--bad); }
.ex-review-item.is-ungraded { border-left-color: var(--warn); }
.ex-review-summary { padding: 11px 15px; cursor: pointer; font-size: 13.5px; color: var(--fg2); list-style: none; }
.ex-review-summary::-webkit-details-marker { display: none; }
.ex-review-summary::before { content: "▸ "; color: var(--fg3); }
.ex-review-item[open] .ex-review-summary::before { content: "▾ "; }
.ex-review-summary:hover { color: var(--fg); }
.ex-review-content { padding: 4px 16px 16px; font-size: 14px; }
.ex-review-content h4 { margin: 0 0 10px; font-size: 15px; line-height: 1.55; }
.ex-correct-answer { font-size: 13.5px; color: var(--ok); background: var(--ok-dim); border-radius: 8px; padding: 7px 11px; margin: 0 0 10px; }
.ex-review-options { margin: 0 0 12px; padding-left: 0; list-style: none; display: grid; gap: 6px; }
.ex-review-options li { font-size: 13.5px; color: var(--fg2); padding: 6px 11px; border-radius: 8px; background: var(--bg3); }
.ex-review-options li.is-right { color: var(--ok); background: var(--ok-dim); }
.ex-review-options li.is-picked { outline: 1px solid var(--bad); }
.ex-dimension { background: var(--bg3); border-radius: 10px; padding: 11px 14px; margin-bottom: 9px; font-size: 13.5px; line-height: 1.7; }
.ex-dimension dt { font-weight: 650; color: var(--acc); font-size: 12.5px; margin-bottom: 3px; }
.ex-dimension dd { margin: 0 0 8px; color: var(--fg2); }
.ex-dimension dd:last-child { margin-bottom: 0; }
.ex-paragraph { background: var(--bg3); border-radius: 10px; padding: 12px 15px; margin-bottom: 9px; }
.ex-paragraph-en { margin: 0; font-size: 14.5px; line-height: 1.85; color: var(--fg); }
.ex-paragraph-zh { margin: 6px 0 0; font-size: 13px; line-height: 1.7; }

/* ============ 精听 ============ */
.in-root { display: flex; flex-direction: column; gap: 14px; }
.in-top { margin-bottom: 2px; }
.in-player { padding: 14px 16px; }
.in-tools { gap: 8px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.in-hint { margin: 8px 0 0; }

.in-picker { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 16px; align-items: start; }
.in-piecegrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; }
.in-piececard { display: flex; flex-direction: column; gap: 6px; background: var(--bg2); border: 1px solid var(--line); border-radius: 11px; padding: 13px 15px; cursor: pointer; transition: border-color .15s, transform .15s; }
.in-piececard:hover { border-color: var(--acc); transform: translateY(-1px); }
.in-piececard h4 { margin: 0; font-size: 14.5px; }
.in-piececard p { margin: 0; font-size: 12.5px; color: var(--fg2); line-height: 1.55; }

.card.in-list-card { padding: 18px 20px; }
.in-sentlist { display: grid; gap: 8px; margin-top: 12px; }
.in-sent { background: var(--bg2); border: 1px solid var(--line); border-left: 3px solid transparent; border-radius: 0 11px 11px 0; padding: 11px 14px; transition: border-color .12s, background .12s; }
.in-sent:hover { background: var(--bg3); }
.in-sent.is-playing { border-left-color: var(--acc); background: var(--acc-dim); }
.in-sent.is-marked { border-left-color: var(--warn); }
.in-sent.is-hidden .in-sent-en { filter: blur(5px); user-select: none; }
.in-sent.is-hidden:hover .in-sent-en { filter: none; }
.in-sent-top { display: flex; align-items: center; gap: 9px; margin-bottom: 5px; }
.in-sent-no { flex: none; width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--line2); background: var(--bg4); color: var(--fg2); font-size: 11.5px; font-weight: 600; display: grid; place-items: center; padding: 0; }
.in-sent-no:hover { border-color: var(--acc); color: var(--acc); }
.in-sent.is-playing .in-sent-no { background: var(--acc); border-color: var(--acc); color: #06232b; }
.in-sent-time { font-variant-numeric: tabular-nums; }
.in-sent-top > .row { margin-left: auto; gap: 6px; }
.in-sent-en { margin: 0; font-size: 15.5px; line-height: 1.75; color: var(--fg); }
.in-sent-zh { margin: 5px 0 0; font-size: 13px; line-height: 1.65; color: var(--fg2); }
.in-mark.is-on { background: var(--warn-dim); color: var(--warn); border-color: var(--warn); }

/* ============ 基础训练 ============ */
.pr-root { display: flex; flex-direction: column; gap: 14px; }
.pr-head h2 { margin-bottom: 4px; }
.pr-head p { margin: 0; font-size: 13.5px; }
.card.pr-setup { padding: 16px 18px; }
.card.pr-setup h3 { font-size: 14.5px; margin: 0 0 10px; color: var(--acc); }
.pr-modes { gap: 8px; }
.pr-grid { grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.pr-pool-note { margin: 10px 0 0; font-size: 12.5px; }
.pr-setup-status { margin: 8px 0 0; font-size: 13px; color: var(--warn); }
.pr-help p { margin: 0; }
.pr-data-counts { margin: 10px 0 0; font-size: 13px; }

.pr-drill-head { gap: 12px; }
.pr-progress-text { font-size: 13.5px; color: var(--fg2); font-variant-numeric: tabular-nums; }
.pr-score { margin-left: auto; font-size: 13.5px; color: var(--fg2); font-variant-numeric: tabular-nums; }
.pr-progress { height: 7px; margin: 2px 0 0; }
.pr-progress-fill { display: block; height: 100%; background: linear-gradient(90deg, var(--acc), var(--acc2)); border-radius: 5px; transition: width .3s; }

.pr-quiz { display: grid; gap: 14px; }
.card.pr-player { padding: 16px 18px; }
.pr-player-actions { gap: 10px; }
.pr-accent { cursor: pointer; min-height: 30px; }
.pr-audio-status { margin: 10px 0 0; font-size: 12.5px; }
.pr-player-bar { margin-top: 10px; }
.pr-meta { gap: 7px; }

.pr-answer-label { display: flex; flex-direction: column; gap: 7px; }
.pr-answer-label > span { font-size: 13px; color: var(--fg2); }
textarea.pr-answer { min-height: 56px; font-size: 15px; line-height: 1.7; }
.pr-input-status { margin: 0; font-size: 12.5px; color: var(--fg2); }
.pr-answer-actions { margin-top: 10px; gap: 9px; }

.pr-feedback:empty { display: none; }
.pr-feedback { display: grid; gap: 12px; }
.card.pr-feedback-card { padding: 16px 18px; border-left: 3px solid var(--line2); }
.card.pr-feedback-card.pr-correct { border-left-color: var(--ok); background: var(--ok-dim); }
.card.pr-feedback-card.pr-wrong { border-left-color: var(--bad); background: var(--bad-dim); }
.pr-feedback-head { gap: 10px; margin-bottom: 10px; font-size: 15px; }
.pr-feedback-head strong { font-size: 15.5px; }
.pr-correct .pr-feedback-head strong { color: var(--ok); }
.pr-wrong .pr-feedback-head strong { color: var(--bad); }
.pr-word-row { gap: 10px; align-items: baseline; flex-wrap: wrap; }
.pr-word { font-size: 26px; font-weight: 700; letter-spacing: .3px; color: var(--fg); }
.pr-phonetics { font-size: 14px; color: var(--fg2); font-family: "Segoe UI", "Charis SIL", "Doulos SIL", "Noto Sans", sans-serif; }
.pr-diagnosis { margin: 8px 0 0; font-size: 13.5px; line-height: 1.65; padding: 8px 12px; border-radius: 8px; background: var(--bg3); color: var(--fg2); }
.pr-reference { margin: 10px 0 0; font-size: 14px; line-height: 1.75; }
.pr-translation { margin: 6px 0 0; font-size: 13px; color: var(--fg2); line-height: 1.7; }
.pr-sentence-result { font-size: 15px; line-height: 2; word-break: break-word; }
.pr-passage-title { margin: 0 0 6px; font-size: 13px; font-weight: 650; color: var(--acc); }
.pr-diff { display: flex; flex-wrap: wrap; gap: 7px 0; margin: 8px 0 0; font-size: 15px; line-height: 2; }
.pr-char-diff { font-family: var(--font); letter-spacing: .5px; }
.pr-token { white-space: nowrap; }
.pr-char { display: inline-block; min-width: 6px; }

.pr-links { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.pr-links h4 { margin: 0 0 8px; font-size: 12.5px; color: var(--fg2); font-weight: 600; }
.pr-link { gap: 8px; font-size: 13px; line-height: 1.75; margin-bottom: 4px; }
.pr-link strong { font-size: 13.5px; color: var(--fg); font-family: "Segoe UI", "Charis SIL", "Doulos SIL", "Noto Sans", sans-serif; }
.pr-link > span:last-child { color: var(--fg2); }
.pr-shortcuts { font-size: 12px; margin: 0; }
.card.pr-review-entry h3,
.card.pr-help h3 { font-size: 14.5px; margin: 0 0 8px; }

.card.pr-finish { text-align: center; padding: 26px 22px; }
.pr-finish-score { font-size: 40px; font-weight: 700; color: var(--acc); line-height: 1.2; }
.pr-finish-actions { justify-content: center; margin-top: 14px; gap: 10px; }

/* ============ 复习中心 ============ */
.rv-root { display: flex; flex-direction: column; gap: 14px; }
.rv-head h2 { margin-bottom: 4px; }
.rv-head p { margin: 0; font-size: 13.5px; }
.rv-due { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.rv-toolbar { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; }
.rv-wrongcard { display: flex; flex-direction: column; gap: 10px; }
.rv-examlist { display: grid; gap: 8px; margin-top: 6px; }
.rv-examrow { display: flex; align-items: center; gap: 11px; padding: 9px 12px; background: var(--bg3); border-radius: 9px; }
.rv-examname { flex: 1; min-width: 0; font-size: 13.5px; }
.rv-examrow .btn { flex: none; }
.rv-list { display: grid; gap: 10px; }
.rv-item { background: var(--bg2); border: 1px solid var(--line); border-left: 3px solid var(--bad); border-radius: 0 11px 11px 0; padding: 13px 16px; }
.rv-item-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; font-size: 12.5px; color: var(--fg2); }
.rv-item-title { font-size: 12.5px; color: var(--fg2); }
.rv-stem { margin: 0 0 9px; font-size: 15px; line-height: 1.6; font-weight: 600; }
.rv-options { display: grid; gap: 6px; margin-bottom: 10px; }
.rv-option { display: flex; gap: 9px; font-size: 13.5px; color: var(--fg2); background: var(--bg3); border-radius: 8px; padding: 7px 11px; line-height: 1.6; }
.rv-option.is-right { color: var(--ok); background: var(--ok-dim); }
.rv-option.is-picked { outline: 1px solid var(--bad); }
.rv-optzh { font-size: 12.5px; color: var(--fg3); }
.rv-en { margin: 0; font-size: 14.5px; line-height: 1.8; }
.rv-zh { margin: 5px 0 0; font-size: 13px; color: var(--fg2); line-height: 1.7; }
.rv-compare { display: grid; gap: 8px; }
.rv-para { background: var(--bg3); border-radius: 9px; padding: 11px 14px; font-size: 13.5px; line-height: 1.8; }
.rv-details { font-size: 13px; }

/* ============ 统计 ============ */
.st-root { display: flex; flex-direction: column; gap: 16px; }
.st-head h2 { margin-bottom: 4px; }
.st-head p { margin: 0; font-size: 13.5px; }
.st-overview { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.st-metric { background: var(--bg2); border: 1px solid var(--line); border-radius: var(--radius); padding: 15px 17px; }
.st-metric-value { font-size: 28px; font-weight: 700; color: var(--acc); line-height: 1.25; font-variant-numeric: tabular-nums; }
.st-metric-label { font-size: 12.5px; color: var(--fg2); margin-top: 2px; line-height: 1.5; }
.st-panel { background: var(--bg2); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.st-panel-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.st-panel-head h3 { margin: 0; font-size: 15px; }
.st-panel-head p { margin: 0; font-size: 12.5px; color: var(--fg2); }
.st-breakdowns { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }

.st-ratio-row { margin-bottom: 11px; }
.st-ratio-top { display: flex; align-items: baseline; gap: 8px; font-size: 13px; margin-bottom: 5px; }
.st-ratio-label { flex: 1; min-width: 0; color: var(--fg); }
.st-ratio-track { height: 9px; background: var(--bg4); border-radius: 5px; overflow: hidden; }
.st-ratio-fill { display: block; height: 100%; background: linear-gradient(90deg, var(--acc), var(--acc2)); border-radius: 5px; min-width: 2px; }

.st-daily-chart { display: flex; align-items: flex-end; gap: 3px; height: 168px; padding: 8px 0 0; overflow-x: auto; }
.st-day { flex: 1 0 18px; min-width: 14px; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; gap: 4px; height: 100%; position: relative; }
.st-day-track { position: relative; width: 100%; max-width: 22px; flex: 1; display: flex; align-items: flex-end; }
.st-day-bar { width: 100%; background: var(--bg4); border-radius: 4px 4px 0 0; min-height: 2px; display: flex; align-items: flex-end; overflow: hidden; }
.st-day-correct { width: 100%; background: linear-gradient(180deg, var(--acc2), var(--acc)); border-radius: 3px 3px 0 0; min-height: 0; }
.st-day-goal { position: absolute; left: -2px; right: -2px; border-top: 1px dashed var(--warn); opacity: .8; }
.st-day-label { font-size: 9.5px; color: var(--fg3); font-variant-numeric: tabular-nums; white-space: nowrap; }
.st-daily-axis { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--fg3); margin-top: 6px; }

.st-table-wrap { overflow-x: auto; }
.st-history-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.st-history-table th { text-align: left; color: var(--fg2); font-weight: 600; font-size: 12px; padding: 7px 10px; border-bottom: 1px solid var(--line2); white-space: nowrap; }
.st-history-table td { padding: 8px 10px; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
.st-history-table tr:hover td { background: var(--bg3); }
.st-review-result { font-size: 13px; color: var(--fg2); }

/* ============ 首页补件 ============ */
.hm-root { display: flex; flex-direction: column; gap: 18px; }
.hm-root .hero { margin-bottom: 0; }

/* ============ 响应式 ============ */
@media (max-width: 1080px) {
  .ex-layout { grid-template-columns: minmax(0, 1fr); }
  .card.ex-answer-sheet { position: static; }
  .ex-number-grid { grid-template-columns: repeat(8, 1fr); }
  .in-picker { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 760px) {
  .tm { font-size: 15px; }
  .ex-number-grid { grid-template-columns: repeat(6, 1fr); }
  .in-sent-en { font-size: 14.5px; }
  .pr-word { font-size: 22px; }
  .ex-score { font-size: 30px; }
  .st-overview,
  .rv-due { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hm-root .hero { grid-template-columns: minmax(0, 1fr); }
}

/* ============ 统计页修正 ============ */
.st-overview { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.st-metric { display: flex; flex-direction: column; gap: 2px; }
.st-metric-value { display: block; font-size: 27px; font-weight: 700; color: var(--acc); line-height: 1.25; font-variant-numeric: tabular-nums; }
.st-metric-label { display: block; font-size: 12.5px; color: var(--fg2); line-height: 1.5; }

/* 成绩折线图：SVG 用 viewBox 760x260，避免 auto 高度把卡片撑爆 */
.st-panel svg { height: 268px !important; min-height: 0 !important; width: 100%; color: var(--fg2); display: block; }

/* 30 天柱状：给每天一个淡轨道，空数据时也是整齐的槽位 */
.st-day-track { background: color-mix(in srgb, var(--bg3) 75%, transparent); border-radius: 3px; }
.st-day-bar { background: var(--bg4); }
.st-day { flex: 1 0 20px; }

@media (max-width: 760px) {
  .st-overview { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .st-panel svg { height: 200px !important; }
}

/* 译文遮挡：默认遮住，点「显示译文」才出现。
   原先 JS 会给 .in-sentlist 加 hide-zh，但这里没有对应规则，按钮点了没反应。 */
.in-sentlist.hide-zh .in-sent-zh { display: none; }
/* 原文遮挡用的模糊（点一下句子仍然能看，鼠标移上去临时显示） */
.in-sent.is-hidden .in-sent-en { filter: blur(5px); user-select: none; }
.in-sent.is-hidden:hover .in-sent-en { filter: none; }


/* ===== extras.js 新功能样式（热力图 / 成绩单 / 目标环） ===== */
.st-heatmap-panel { margin-top: 14px; }
.st-hm-cell { transition: transform .12s ease, outline-color .12s ease; }
.st-hm-cell:hover { transform: scale(1.3); }

.st-goal-ring { display: flex; align-items: center; gap: 14px; }
.st-goal-ring svg { flex: none; }
.st-goal-text { display: flex; flex-direction: column; gap: 2px; }
.st-goal-text strong { font-size: 22px; font-variant-numeric: tabular-nums; letter-spacing: .5px; }

.ex-extras-scorecard { margin-top: 14px; }
.ex-sc-sections { display: grid; gap: 7px; margin: 12px 0 4px; }
.ex-sc-row { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.ex-sc-name { width: 8.5em; flex: none; color: var(--fg2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ex-sc-bar { flex: 1; height: 8px; background: var(--bg3); border-radius: 99px; overflow: hidden; }
.ex-sc-fill { display: block; height: 100%; background: var(--acc); border-radius: 99px; transition: width .3s ease; }
.ex-sc-num { width: 3.4em; flex: none; text-align: right; color: var(--fg2); font-variant-numeric: tabular-nums; }
.ex-sc-grid { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 14px; }
.ex-sc-cell { min-width: 28px; height: 26px; line-height: 24px; padding: 0 4px; text-align: center;
  border-radius: 6px; font-size: 12px; font-variant-numeric: tabular-nums; border: 1px solid var(--line); }
.ex-sc-cell.is-ok { background: var(--ok-dim); color: var(--ok); border-color: transparent; }
.ex-sc-cell.is-bad { background: var(--bad-dim); color: var(--bad); border-color: transparent; }
.ex-sc-cell.is-skip { background: var(--bg3); color: var(--fg3); }
.ex-sc-tip { margin-top: 12px; font-size: 13px; color: var(--warn); }

.pr-goal { display: flex; align-items: center; }

/* 拼写分级提示 */
.pr-hintrow { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 6px; padding-left: 1px; }
.pr-hintrow button[disabled] { border: 1px solid var(--line); color: var(--fg3); background: transparent; opacity: 1; cursor: default; }
.pr-hint-text { font-size: 13px; line-height: 1.6; font-family: "Segoe UI", "Charis SIL", "Doulos SIL", "Noto Sans", sans-serif; letter-spacing: .3px; }

/* 页面骨架撑满一屏：内容少时 footer 贴底，不留一块断掉的空白 */
body { display: flex; flex-direction: column; min-height: 100vh; }
/* .view 自带 margin:0 auto，在 flex 列布局里会让它收缩成内容宽度，所以补 width:100% 让 max-width 与居中仍然生效 */
main.view { flex: 1 0 auto; width: 100%; }

/* 设置页：装到手机 / 离线使用 */
.se-pwa-status { margin: 8px 0 0; font-size: 12.5px; line-height: 1.55; color: var(--fg2); }
.se-pwa-status:empty { display: none; }

/* ---- 词光（word-atlas）词条补充块：单词听写答完后出现 ---- */
.pr-atlas-extra {
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(96, 165, 250, .04);
}
.pr-atlas-head {
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.pr-atlas-def {
  font-size: 12.5px;
  line-height: 1.5;
  flex: 1 1 220px;
}
.pr-atlas-ex { margin: 6px 0 0; }
.pr-atlas-ex .row {
  align-items: flex-start;
  gap: 10px;
}
.pr-atlas-ex-en {
  flex: 1 1 auto;
  font-size: 14px;
  line-height: 1.65;
  color: var(--fg);
}
.pr-atlas-ex .btn { flex: 0 0 auto; font-size: 12px; padding: 4px 9px; }
.pr-atlas-ex-zh {
  margin: 4px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--fg2);
}
.pr-atlas-more {
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--fg2);
}
.pr-atlas-more summary {
  cursor: pointer;
  color: var(--acc);
  font-size: 12.5px;
  padding: 2px 0;
}
.pr-atlas-line {
  margin: 5px 0 0;
  line-height: 1.6;
  padding-left: 10px;
  border-left: 2px solid var(--line);
}
.pr-atlas-tip {
  margin: 8px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: #fbbf24;
}

/* ---------- 生词本 ---------- */
.gl-page { display: flex; flex-direction: column; gap: 14px; }
.gl-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 10px; }
.gl-title { margin: 0 0 4px; font-size: 21px; }
.gl-sub { margin: 0; font-size: 13px; line-height: 1.6; max-width: 620px; }
.gl-chips { gap: 8px; }
.gl-empty { text-align: center; padding: 34px 20px; }
.gl-empty p { margin: 0 0 10px; }
.gl-tools { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.gl-search { flex: 1 1 200px; min-width: 160px; }
.gl-filter { flex: 0 0 auto; }
.gl-danger { color: #f87171; border-color: rgba(248, 113, 113, .35); }
.gl-danger:hover { background: rgba(248, 113, 113, .12); }
.gl-list { display: flex; flex-direction: column; gap: 8px; }
.gl-item {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; align-items: center;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg2);
}
.gl-item.is-done { opacity: .62; }
.gl-main { flex: 1 1 320px; min-width: 0; }
.gl-word-row { gap: 10px; align-items: baseline; }
.gl-word { font-size: 17px; letter-spacing: .2px; }
.gl-phon { font-size: 12.5px; }
.gl-chip { font-size: 11px; padding: 1px 7px; }
.gl-chip-ok { font-size: 11px; padding: 1px 7px; background: rgba(52, 211, 153, .16); color: #34d399; border-radius: 6px; }
.gl-meaning { margin: 4px 0 0; font-size: 13.5px; line-height: 1.6; color: var(--fg1); }
.gl-note { margin: 4px 0 0; font-size: 12.5px; color: #fbbf24; }
.gl-time { margin: 4px 0 0; font-size: 11.5px; }
.gl-acts { gap: 6px; flex-wrap: wrap; }
.gl-acts .btn { font-size: 12px; padding: 4px 9px; }
.gl-count { margin: 2px 0 0; font-size: 12px; }

/* ---------- 账户页 ---------- */
.ac-page { max-width: 720px; }
.ac-head { margin-bottom: 14px; }
.ac-title { margin: 0 0 4px; font-size: 20px; }
.ac-sub { margin: 0; font-size: 13px; color: var(--fg3); }
.ac-card { margin-top: 14px; }
.ac-tabs { display: flex; gap: 6px; margin-bottom: 12px; }
.ac-tab { flex: 0 0 auto; padding: 6px 14px; border-radius: 8px; border: 1px solid var(--line); background: transparent; color: var(--fg2); font-size: 13px; cursor: pointer; }
.ac-tab.is-on { border-color: var(--acc); color: var(--acc); background: rgba(96, 165, 250, .10); }
.ac-field { display: block; margin: 10px 0; }
.ac-field span { display: block; margin-bottom: 5px; font-size: 12.5px; color: var(--fg3); }
.ac-field input { width: 100%; padding: 9px 11px; border-radius: 9px; border: 1px solid var(--line); background: #151922; color: var(--fg); font-size: 14px; }
.ac-field input:focus { outline: none; border-color: var(--acc); }
.ac-remember { display: flex; align-items: center; gap: 7px; margin: 12px 0; font-size: 13px; color: var(--fg2); }
.ac-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.ac-err { margin: 10px 0 0; font-size: 12.5px; color: #f87171; min-height: 17px; }
.ac-ok { margin: 10px 0 0; font-size: 12.5px; color: #34d399; }
.ac-note { margin: 10px 0 0; font-size: 12.5px; line-height: 1.6; color: var(--fg3); }
.ac-badge { display: inline-block; margin-left: 6px; padding: 1px 7px; border-radius: 999px; font-size: 11px; background: rgba(52, 211, 153, .14); color: #34d399; }
.ac-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.ac-row:last-child { border-bottom: 0; }
.ac-row .k { color: var(--fg3); }
.ac-row .v { color: var(--fg); font-variant-numeric: tabular-nums; }
.ac-warn { margin: 12px 0 0; padding: 10px 12px; border-radius: 10px; border: 1px solid rgba(251, 191, 36, .35); background: rgba(251, 191, 36, .08); font-size: 12.5px; line-height: 1.6; color: #fbbf24; }

@media (max-width: 760px) {
  .ac-page { max-width: none; }
  .ac-title { font-size: 18px; }
  .ac-actions .btn { flex: 1 1 100%; }
}

/* ---------- 手机端补齐（2026-11-07） ---------- */

html { -webkit-text-size-adjust: 100%; }
body, a, button, input, select, textarea { -webkit-tap-highlight-color: transparent; }

/* iPhone 刘海与底部横条：只有在支持 env() 的浏览器里才生效 */
@supports (padding: max(0px)) {
  .topbar-inner {
    padding-left: max(14px, env(safe-area-inset-left));
    padding-right: max(14px, env(safe-area-inset-right));
  }
  .view {
    padding-left: max(14px, env(safe-area-inset-left));
    padding-right: max(14px, env(safe-area-inset-right));
    padding-bottom: calc(50px + env(safe-area-inset-bottom));
  }
}

/* 触屏设备把可点区域抬到 44px（iOS 人机界面指南的下限） */
@media (pointer: coarse) {
  .btn, .nav-btn, .pl-button, .ac-tab { min-height: 44px; }
  .btn { padding-top: 11px; padding-bottom: 11px; }
  .nav-btn { padding-top: 10px; padding-bottom: 10px; }
  .pl-button { min-width: 44px; }
  .in-mark { min-width: 44px; min-height: 44px; }
}

/* 窄屏（<=480px）再压一档，主要救做题页与表格 */
@media (max-width: 480px) {
  .view { padding: 14px 12px 46px; }
  h1 { font-size: 20px; }
  .card { padding: 12px; }
  .topbar-inner { gap: 8px; }
  .ex-number-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .st-overview, .rv-due { grid-template-columns: 1fr; }
  .ac-actions { flex-direction: column; }
  .ac-actions .btn { width: 100%; }
  .in-sent { padding: 10px 11px; }
  .pr-word { font-size: 20px; }
  .footer { font-size: 12px; }
  .sheet-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}