/* 成績與分析、數據洞察（設計憲法第 19 節）。只用設計變數 */

/* 數據色階（第 7.6 節的延伸，依 LP 2026-10-05 批准的設計稿）：
 * 熱圖五級（1 最淺 = 得分率高，5 最深 = 得分率低）。
 * 色值在 tokens.css（--color-data-*）；這裏只取用。
 * 對比（WCAG 2.x）：--color-text-strong 在 heat-1 至 heat-4 上 ≥ 7:1；白字在 heat-5（海軍藍）上 9.9:1 */
:root {
  --ins-heat-1: var(--color-data-heat-1);
  --ins-heat-2: var(--color-data-heat-2);
  --ins-heat-3: var(--color-data-heat-3);
  --ins-heat-4: var(--color-data-heat-4);
  --ins-heat-5: var(--color-data-heat-5);
  --ins-heat-text: var(--color-text-strong);
  --ins-heat-5-text: var(--color-surface);
  --ins-cell-graded: var(--ins-heat-2);
  --ins-cell-empty: var(--color-bg);
}

.ins { display: flex; flex-direction: column; gap: var(--space-16); }
.ins .page-head { margin-bottom: var(--space-4); }
.ins .page-head h1 { margin: 0; }
.ins-sub { margin: 0; font-size: 15px; color: var(--color-text-secondary); }
.ins-cap { font-size: var(--text-caption-size); line-height: var(--text-caption-line); color: var(--color-text-secondary); font-weight: 400; }
.ins h2 { margin: 0; font-size: var(--text-heading-size); line-height: var(--text-heading-line); font-weight: var(--text-heading-weight); color: var(--color-text-strong); }

/* 頁首控制：班房、時段、範圍、匯出 */
.ins-controls { display: flex; gap: var(--space-8); align-items: flex-end; flex-wrap: wrap; }
.ins-ctl { display: flex; flex-direction: column; gap: var(--space-4); font-size: var(--text-caption-size); font-weight: 600; color: var(--color-text-secondary); }
.ins-ctl select.input { min-width: 170px; height: 40px; font-weight: 500; color: var(--color-text-strong); }
.ins .segmented { min-height: 40px; }
.ins .segmented [aria-pressed="true"] { color: var(--color-accent-text); }
.ins .segmented button { font-size: var(--text-small-size); padding: 4px 12px; }
.ins-dates { display: flex; gap: var(--space-8); align-items: flex-end; flex-wrap: wrap; justify-content: flex-end; }
.ins-dates .input { height: 40px; }

/* 四個數字 */
.ins-kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-12); }
.ins-kpi { padding: var(--space-16) var(--space-20); gap: var(--space-4); }
.ins-kpi .stat-label { font-size: var(--text-small-size); }
.ins-kpi .stat { line-height: var(--text-number-l-line); }
.ins-kpi-text { font-size: 19px; line-height: 1.5; font-weight: 700; color: var(--color-text-strong); overflow-wrap: anywhere; }
@media (max-width: 900px) { .ins-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* 兩欄：左主右副 */
.ins-cols { display: flex; gap: var(--space-16); align-items: stretch; }
.ins-main { flex: 1.35; min-width: 0; }
.ins-side { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: var(--space-12); }
.ins-cols.wide .ins-main { flex: 1.3; }
@media (max-width: 1100px) { .ins-cols { flex-direction: column; } }
.ins-card { display: flex; flex-direction: column; gap: var(--space-12); padding: var(--space-20) 22px; }
.ins-card-head { display: flex; justify-content: space-between; align-items: center; gap: var(--space-12); flex-wrap: wrap; }
.ins-legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: var(--text-caption-size); color: var(--color-text-secondary); }
.ins-legend > span { display: inline-flex; align-items: center; gap: 6px; }
.ins-sw { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.ins-sw.missing { background: var(--color-warning-tint); border: 1px solid var(--color-warning-icon); }
.ins-sw.pending { background: var(--ins-cell-empty); border: 1px dashed var(--color-text-disabled); }

/* 知識點掌握：名稱、五級分段條（mastery.css 的 .lv-seg）、得分率、動作 */
.ins-topics { display: grid; grid-template-columns: minmax(120px, 200px) minmax(0, 1fr) 48px minmax(120px, 150px); gap: 10px 14px; align-items: center; font-size: var(--text-body-size); }
.ins-topic-name { color: var(--color-text); overflow-wrap: anywhere; }
.ins-topic-name.is-weakest, .ins-topics .num.is-weakest { font-weight: 700; color: var(--color-text-strong); }
.ins-act { font-weight: 600; color: var(--color-accent-text); background: none; border: 0; padding: 0; text-align: left; cursor: pointer; font-size: var(--text-body-size); }
.ins-act:hover { text-decoration: underline; }

/* 需要跟進的學生、最弱知識點：列表 */
.ins-list { display: flex; flex-direction: column; }
.ins-row { display: flex; align-items: center; gap: var(--space-12); padding: 7px 0; color: inherit; text-decoration: none; }
.ins-row + .ins-row { border-top: 1px solid var(--color-line); }
a.ins-row:hover .ins-row-title { color: var(--color-accent-text); }
.ins-row-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.ins-row-title { font-weight: 600; color: var(--color-text-strong); }
.ins-row .num { font-weight: 600; color: var(--color-text-strong); }

/* 重點（由數據組成，不是 AI，所以不用漸變） */
.ins-key { padding: var(--space-16) 18px; display: flex; flex-direction: column; gap: 6px; }
.ins-key-head { display: flex; align-items: center; gap: var(--space-8); font-size: var(--text-small-size); font-weight: 600; color: var(--color-text-strong); flex-wrap: wrap; }
.ins-key-head .icon { color: var(--color-text-secondary); }
.ins-key p { margin: 0; font-size: var(--text-body-size); line-height: 1.7; }

/* 學生 × 功課 */
.ins-scroll { overflow-x: auto; max-width: 100%; }
table.ins-grid { border-collapse: separate; border-spacing: 6px; width: 100%; font-size: var(--text-small-size); }
.ins-grid th, .ins-grid td { padding: 0; text-align: center; vertical-align: middle; }
.ins-grid thead th { font-weight: 600; color: var(--color-text-strong); min-width: 72px; max-width: 160px; }
.ins-grid thead th a { color: inherit; text-decoration: none; display: block; }
/* 長功課名：最多兩行，完整名稱在 title（滑鼠懸停） */
.ins-th-title { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.35; word-break: break-all; }
.ins-grid thead th { width: 108px; }
.ins-grid thead th a:hover { color: var(--color-accent-text); }
.ins-grid thead th .ins-cap { display: block; font-weight: 400; }
.ins-grid tbody th { text-align: left; font-weight: 600; color: var(--color-text-strong); white-space: nowrap; padding-right: 6px; position: sticky; left: 0; background: var(--color-surface); min-width: 96px; }
.ins-cell { height: 30px; border-radius: var(--radius-xs); display: grid; place-items: center; font-size: var(--text-caption-size); font-weight: 600; color: var(--color-text-strong); text-decoration: none; background: var(--ins-cell-graded); font-feature-settings: "tnum" 1; white-space: nowrap; padding: 0 6px; }
a.ins-cell:hover { box-shadow: inset 0 0 0 1px var(--color-line-strong); }
.ins-cell.missing { background: var(--color-warning-tint); border: 1px solid var(--color-warning-icon); color: var(--color-warning-text); }
.ins-cell.pending { background: var(--ins-cell-empty); border: 1px dashed var(--color-text-disabled); color: var(--color-text-secondary); }
.ins-cell.open, .ins-cell.na { background: var(--ins-cell-empty); color: var(--color-text-secondary); font-weight: 500; }
.ins-more { background: none; border: 0; padding: 0; font: inherit; font-weight: 600; color: var(--color-accent-text); cursor: pointer; }
.ins-more:hover { text-decoration: underline; }

/* 數據洞察總覽：知識點 × 班熱圖 */
table.ins-heat { border-collapse: separate; border-spacing: 6px; width: 100%; font-size: var(--text-small-size); }
.ins-heat th { font-weight: 600; color: var(--color-text-secondary); font-size: var(--text-small-size); padding: 0 2px; white-space: nowrap; }
.ins-heat thead th:first-child { text-align: left; width: 200px; }
.ins-heat tbody th { text-align: left; color: var(--color-text-strong); white-space: normal; min-width: 140px; position: sticky; left: 0; background: var(--color-surface); }
.ins-heat td { padding: 0; min-width: 64px; }
.ins-hc { height: 40px; border-radius: var(--radius-xs); display: grid; place-items: center; font-size: var(--text-body-size); font-weight: 600; color: var(--ins-heat-text); text-decoration: none; font-feature-settings: "tnum" 1; }
.ins-hc.s0 { background: var(--ins-cell-empty); color: var(--color-text-secondary); font-weight: 500; }
.ins-hc.s1 { background: var(--ins-heat-1); }
.ins-hc.s2 { background: var(--ins-heat-2); }
.ins-hc.s3 { background: var(--ins-heat-3); }
.ins-hc.s4 { background: var(--ins-heat-4); }
.ins-hc.s5 { background: var(--ins-heat-5); color: var(--ins-heat-5-text); }
a.ins-hc:hover { box-shadow: inset 0 0 0 2px var(--color-accent); }
.ins-note { margin-top: auto; font-size: var(--text-small-size); line-height: 1.6; color: var(--color-text-secondary); }

/* 學生關懷：只顯示數量 */
.ins-care { display: flex; gap: 14px; align-items: flex-start; padding: 22px var(--space-24); }
.ins-care-icon { width: 40px; height: 40px; border-radius: var(--radius-md); background: var(--color-warning-tint); color: var(--color-warning-icon); display: grid; place-items: center; flex-shrink: 0; }
.ins-care-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: var(--space-4); }
.ins-care-body .link { font-weight: 600; margin-top: var(--space-4); display: inline-flex; align-items: center; gap: 4px; }

/* 派跟進練習對話框：每位學生一行 */
.ins-fu-row { min-height: 40px; align-items: flex-start; }
.ins-fu-name { flex: none; min-width: 72px; white-space: nowrap; font-weight: 600; color: var(--color-text-strong); }

/* ---------- 數據洞察 › 學業表現 ---------- */
.pf-filters { align-items: flex-end; }
.pf-filters .ins-ctl select.input { min-width: 150px; }
.pf-cols { align-items: flex-start; }
.ins-cols.wide.pf-cols .ins-main { flex: 2.2; }
.pf-aside { flex: 1; min-width: 0; }
.pf-table { table-layout: auto; font-size: var(--text-small-size); }
.pf-table th { white-space: nowrap; }
.pf-table td { vertical-align: middle; padding: 10px 6px; }
.pf-table th[scope="col"].pf-c-num, .pf-table td.num { text-align: left; }
.pf-grade td { font-weight: 500; }
.pf-class td:first-child { padding-left: var(--space-16); }
.pf-class.is-selected td { background: var(--color-accent-tint); }
.pf-avg { font-weight: 600; color: var(--color-text-strong); }
.pf-toggle, .pf-pick, .pf-sort { background: none; border: 0; padding: 4px 0; font: inherit; color: inherit; text-align: left; cursor: pointer; display: inline-flex; align-items: center; gap: var(--space-8); }
.pf-sort { font-weight: 600; color: var(--color-text-secondary); font-size: var(--text-caption-size); }
.pf-sort:hover, .pf-pick:hover b { color: var(--color-accent-text); }
.pf-name { display: flex; flex-direction: column; }
.pf-name b { color: var(--color-text-strong); font-weight: 600; }
.pf-table .pf-name b, .pf-table .pf-name .ins-cap { white-space: nowrap; }
.pf-dist { display: flex; flex-direction: column; gap: 3px; min-width: 96px; max-width: 150px; }
.pf-dist .ins-cap { font-size: var(--text-caption-size); }
.pf-weak-pct { display: block; }
.pf-weak-err { display: block; max-width: 22em; }
.pf-tname { font-weight: 600; color: var(--color-text-strong); text-align: left; }
.pf-tname .ins-cap { display: block; font-weight: 400; }
.pf-lead { margin: 0; }
.pf-topics { display: flex; flex-direction: column; }
.pf-topic { display: flex; flex-direction: column; gap: 6px; padding: 10px 0; border-bottom: 1px solid var(--color-line); }
.pf-topic-top { display: flex; justify-content: space-between; gap: var(--space-8); }
.pf-topic-top b { color: var(--color-text-strong); }
.pf-attempted { font-weight: 600; color: var(--color-text-strong); font-size: var(--text-small-size); white-space: nowrap; }
.pf-actions { display: flex; gap: 10px; margin-top: var(--space-8); flex-wrap: wrap; }
.pf-actions .btn { min-height: 44px; }
.pf-actions .btn-primary { flex: 1; justify-content: center; }
.pf-topic .lv-seg { width: 100%; }
@media (max-width: 1100px) { .pf-aside { flex: none; width: 100%; } }

/* ---------- 數據洞察 › 報告 ---------- */
.rp-cols { display: grid; grid-template-columns: 300px minmax(0, 1fr) 340px; gap: var(--space-16); align-items: start; }
@media (max-width: 1280px) { .rp-cols { grid-template-columns: 260px minmax(0, 1fr); } .rp-right { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-16); } }
@media (max-width: 1024px) { .rp-cols { grid-template-columns: minmax(0, 1fr); } .rp-right { grid-template-columns: minmax(0, 1fr); } }
.rp-types { display: flex; flex-direction: column; gap: 10px; }
.rp-types h2 { font-size: var(--text-small-size); color: var(--color-text-secondary); margin-bottom: 2px; }
.rp-type { display: flex; gap: var(--space-12); align-items: flex-start; text-align: left; padding: 14px var(--space-16); border-radius: var(--card-radius); border: 1px solid var(--color-line); background: var(--color-surface); font: inherit; color: inherit; cursor: pointer; }
.rp-type[aria-pressed="true"] { border: 2px solid var(--color-accent); background: var(--color-accent-tint); padding: 13px 15px; }
.rp-type-ic { width: 36px; height: 36px; border-radius: var(--radius-md); background: var(--color-surface-2); display: grid; place-items: center; flex-shrink: 0; color: var(--color-text); }
.rp-type-body { display: flex; flex-direction: column; gap: 2px; }
.rp-type-body b { color: var(--color-text-strong); font-weight: 600; }
.rp-form { display: flex; flex-direction: column; gap: var(--space-16); padding: 22px var(--space-24); }
.rp-fields { display: flex; gap: 14px; flex-wrap: wrap; }
.rp-group { display: flex; flex-direction: column; gap: 2px; border: 0; padding: 0; margin: 0; }
.rp-group legend { font-size: var(--text-caption-size); font-weight: 600; color: var(--color-text-secondary); padding: 0; margin-bottom: 2px; }
.rp-check { display: flex; gap: 10px; align-items: flex-start; padding: 6px 0; font-size: var(--text-body-size); color: var(--color-text-strong); cursor: pointer; }
.rp-check input { width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--color-accent); flex-shrink: 0; }
.rp-check small { display: block; color: var(--color-text-secondary); font-size: var(--text-caption-size); }
.rp-go { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.rp-go .btn { min-height: 48px; padding: 0 22px; }
.rp-right { display: flex; flex-direction: column; gap: var(--space-12); }
.rp-pv-label { font-size: var(--text-caption-size); font-weight: 600; color: var(--color-text-secondary); }
.rp-page-wrap { border: 1px solid var(--color-line); border-radius: 6px; background: var(--color-surface); height: 420px; overflow: hidden; position: relative; }
.rp-page { width: 794px; transform-origin: top left; transform: scale(.4); padding: 40px 44px; box-sizing: border-box; pointer-events: none; }
.rp-recent { list-style: none; margin: 0; padding: 0; }
.rp-recent li { display: flex; align-items: center; justify-content: space-between; gap: var(--space-8); padding: 10px 0; border-bottom: 1px solid var(--color-line); }
.rp-recent li:last-child { border-bottom: 0; }
.rp-recent .btn { min-height: 36px; padding: 0 10px; }

/* 報告頁（螢幕預覽和列印共用）：A4 */
.rpt { color: var(--color-text-strong); font-size: 13px; line-height: 1.55; }
.rpt-head { display: flex; justify-content: space-between; align-items: center; gap: var(--space-12); border-bottom: 1px solid var(--color-line); padding-bottom: 10px; margin-bottom: 14px; }
.rpt-head img { height: 28px; width: auto; }
.rpt-head span { color: var(--color-text-secondary); font-size: 12px; }
.rpt h1, .rpt .rpt-title { margin: 0 0 2px; font-size: 22px; line-height: 1.3; font-weight: 700; }
.rpt h2, .rpt .rpt-h2 { margin: 18px 0 6px; font-size: 14px; font-weight: 600; break-after: avoid; }
.rpt-meta { color: var(--color-text-secondary); font-size: 12px; margin: 0 0 12px; }
.rpt-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.rpt-kpi { border: 1px solid var(--color-line); border-radius: 6px; padding: 8px 10px; }
.rpt-kpi .l { font-size: var(--text-caption-size); color: var(--color-text-secondary); }
.rpt-kpi .v { font-size: 20px; font-weight: 600; font-feature-settings: "tnum" 1; }
.rpt-kpi .c { font-size: var(--text-caption-size); color: var(--color-text-secondary); }
.rpt table { border-collapse: collapse; width: 100%; font-size: var(--text-caption-size); }
.rpt th, .rpt td { text-align: left; padding: 4px 6px; border-bottom: 1px solid var(--color-line); vertical-align: middle; }
.rpt th { font-weight: 600; color: var(--color-text-secondary); }
.rpt tr { break-inside: avoid; }
.rpt .lv-seg { height: 8px; min-width: 70px; }
.rpt-note { margin-top: 16px; font-size: var(--text-caption-size); color: var(--color-text-secondary); }
.rpt-foot { margin-top: 18px; padding-top: 8px; border-top: 1px solid var(--color-line); display: flex; justify-content: space-between; font-size: var(--text-caption-size); color: var(--color-text-secondary); }
.rpt-bar { display: flex; align-items: center; gap: 8px; font-size: var(--text-caption-size); margin: 3px 0; }
.rpt-bar .t { flex: 1; height: 7px; border-radius: 4px; background: var(--color-surface-2); overflow: hidden; }
.rpt-bar .t i { display: block; height: 100%; background: var(--color-level-familiar); }

/* 列印頁：螢幕上顯示成 A4 紙；隱藏側欄和頂欄 */
body.is-print-report .toast, body.is-print-report .sidebar, body.is-print-report .topbar, body.is-print-report .tabbar, body.is-print-report .scrim { display: none !important; }
body.is-print-report .app, body.is-print-report .main { display: block; }
body.is-print-report .content { padding: 0; }
.rp-print-bar { position: sticky; top: 0; z-index: 2; display: flex; gap: var(--space-12); align-items: center; justify-content: center; padding: 10px var(--space-16); background: var(--color-surface); border-bottom: 1px solid var(--color-line); flex-wrap: wrap; }
.rp-sheet { width: 210mm; max-width: 100%; box-sizing: border-box; margin: var(--space-16) auto; padding: 16mm 14mm; background: var(--color-surface); box-shadow: var(--shadow-2); }
@media print {
  @page { size: A4; margin: 14mm 12mm 18mm; @bottom-center { content: "第 " counter(page) " 頁"; font-size: var(--text-caption-size); } }
  body.is-print-report { background: var(--color-surface); }
  body.is-print-report .rp-print-bar, body.is-print-report .skip-link, body.is-print-report .toast, body.is-print-report .reading-guide { display: none !important; }
  .rp-sheet { width: auto; margin: 0; padding: 0; box-shadow: none; }
  .rpt, .rpt * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}