/* HSPT Prep: the family design system, "Staff apps" theme, light only.
   Tokens follow desk-infra/design-system tokens.json; component rules follow its README
   (Title Case buttons, one primary per area, numbers right-aligned in tabular figures,
   missing values as an em dash, status as colour plus a word, 2px primary focus ring). */
:root {
  --color-primary: #004BD2;
  --color-primary-hover: #2563EB;
  --color-link: #2979FF;
  --color-link-light: #2979FF14;
  --color-selected-bg: #004BD214;
  --color-text: #242633;
  --color-text-secondary: #7A7F99;
  --color-bg-base: #FFFFFF;
  --color-bg-secondary: #F9FAFB;
  --color-bg-light: #EDEEF0;
  --color-border: #E5E7EB;
  --color-border-control: #D9D9D9;
  --color-success: #64C879;
  --color-success-bg: #64C87914;
  --color-success-text: #177A4A;
  --color-warning: #FF9500;
  --color-warning-bg: #FF950014;
  --color-warning-text: #B45309;
  --color-error: #F24965;
  --color-error-bg: #F2496514;
  --color-error-text: #C8401F;
  --radius-base: 4px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-xxl: 24px;
  --shadow-sm: 0 4px 8px #2426331f;
  --header-height: 48px;
  --max-content-width: 1200px;
  --page-pad: 12px;
  --font-sans: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Open Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --fig-on: #4A4D5C;
  --fig-off: #FFFFFF;
  font-family: var(--font-sans);
  color-scheme: light;
}
@media (min-width: 576px) { :root { --page-pad: 16px; } }
@media (min-width: 992px) { :root { --page-pad: 20px; } }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--color-bg-secondary); color: var(--color-text); font-size: 14px; line-height: 1.5; padding-top: var(--header-height); }
h1, h2, h3, h4 { font-weight: 600; line-height: 1.3; margin: 0 0 var(--spacing-sm); color: var(--color-text); }
h1 { font-size: 22px; }
h2 { font-size: 18px; }
h3 { font-size: 16px; }
h4 { font-size: 15px; margin-top: var(--spacing-lg); }
@media (max-width: 575px) { h1 { font-size: 20px; } h2 { font-size: 16px; } h3 { font-size: 15px; } h4 { font-size: 14px; } }
p { margin: 0 0 var(--spacing-sm); }
a { color: var(--color-link); }
code { font-family: var(--font-mono); font-size: 13px; }
.tabular-nums { font-variant-numeric: tabular-nums; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
[hidden] { display: none !important; }

/* ---- controls ---- */
button, select, input, textarea, .button { font: inherit; color: inherit; }
button, .button {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--spacing-sm);
  height: 32px; padding: 0 15px; background: var(--color-bg-base); color: var(--color-text);
  border: 1px solid var(--color-border-control); border-radius: var(--radius-base); cursor: pointer;
  font-size: 14px; line-height: 1; white-space: nowrap; text-decoration: none;
}
button:hover:not(:disabled), .button:hover { border-color: var(--color-primary); color: var(--color-primary); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
button.primary:hover:not(:disabled) { background: var(--color-primary-hover); border-color: var(--color-primary-hover); color: #fff; }
button.big { height: 40px; padding: 0 20px; font-size: 15px; }
button.link { height: auto; padding: 0; border: none; background: none; color: var(--color-link); }
button.link:hover:not(:disabled) { color: var(--color-primary); text-decoration: underline; }
button.link.danger { color: var(--color-error-text); }
.kbd-hint { font-size: 12px; opacity: .75; font-variant-numeric: tabular-nums; }
select, input:not([type="file"]):not([type="checkbox"]):not([type="radio"]) {
  height: 32px; padding: 0 8px; background: var(--color-bg-base); color: var(--color-text);
  border: 1px solid var(--color-border-control); border-radius: var(--radius-base); max-width: 100%; font-size: 14px;
}
select:hover, input:hover { border-color: var(--color-primary); }
input[type="number"] { width: 5.5em; font-variant-numeric: tabular-nums; text-align: right; }
.mono { font-family: var(--font-mono); letter-spacing: .08em; width: 100%; }

/* ---- frame: fixed 48px header with the area switch, then the area's own bar ---- */
.app-head { position: fixed; top: 0; left: 0; right: 0; height: var(--header-height); background: var(--color-bg-base); border-bottom: 1px solid var(--color-border); z-index: 100; }
.head-inner { max-width: var(--max-content-width); height: 100%; margin: 0 auto; padding: 0 var(--page-pad); display: flex; align-items: center; gap: var(--spacing-lg); }
.brand { font-weight: 600; font-size: 15px; color: var(--color-text); text-decoration: none; white-space: nowrap; }
.area-switch, .student-switch { display: inline-flex; background: var(--color-bg-light); border-radius: var(--radius-base); padding: 2px; gap: 2px; }
.area-switch a, .student-switch button {
  height: 28px; padding: 0 14px; display: inline-flex; align-items: center; border: 1px solid transparent; border-radius: 3px;
  background: none; color: var(--color-text); text-decoration: none; font-weight: 600; font-size: 14px;
}
.area-switch a:hover, .student-switch button:hover:not(:disabled) { color: var(--color-primary); border-color: transparent; }
.area-switch a.active, .student-switch button[aria-pressed="true"] { background: var(--color-bg-base); border-color: var(--color-border); color: var(--color-primary); }
.sync { margin-left: auto; font-size: 13px; color: var(--color-text-secondary); white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; }
.sync::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--color-border-control); flex: none; }
.sync.ok::before { background: var(--color-success); }
.sync.off { color: var(--color-warning-text); }
.sync.off::before { background: var(--color-warning); }
.sync-short { display: none; }
@media (max-width: 575px) {
  .head-inner { gap: var(--spacing-md); }
  .area-switch a { padding: 0 10px; }
  .sync-long { display: none; }
  .sync-short { display: inline; }
}
@media (max-width: 359px) { .brand { display: none; } }

.subnav { position: sticky; top: var(--header-height); z-index: 90; background: var(--color-bg-base); border-bottom: 1px solid var(--color-border); }
.subnav-inner { max-width: var(--max-content-width); margin: 0 auto; padding: 0 var(--page-pad); display: flex; align-items: center; gap: var(--spacing-xl); min-height: 44px; flex-wrap: wrap; }
.tabs { display: flex; gap: var(--spacing-xs); align-self: stretch; }
.tabs a { display: inline-flex; align-items: center; padding: 0 var(--spacing-md); color: var(--color-text); text-decoration: none; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs a:hover { color: var(--color-primary); }
.tabs a.active { color: var(--color-primary); border-bottom-color: var(--color-primary); font-weight: 600; }
@media (max-width: 575px) { .subnav-inner { gap: var(--spacing-md); } .tabs { gap: 0; } .tabs a { padding: 0 var(--spacing-sm); } }
/* a running drill: nothing to click away to */
body.in-drill .subnav { display: none; }
body.in-drill .area-switch, body.in-drill .brand { pointer-events: none; opacity: .4; }

.warning { max-width: var(--max-content-width); margin: var(--spacing-md) auto 0; padding: var(--spacing-sm) var(--spacing-md); background: var(--color-warning-bg); border: 1px solid var(--color-warning); border-radius: var(--radius-base); }
main { max-width: var(--max-content-width); margin: 0 auto; padding: var(--page-pad); }
.page-head { margin: var(--spacing-xs) 0 var(--spacing-lg); }
.page-head h1 { margin-bottom: var(--spacing-xs); }
.page-head .muted { margin: 0; }

/* ---- cards and text ---- */
.card { background: var(--color-bg-base); border: 1px solid var(--color-border); border-radius: var(--radius-base); padding: var(--spacing-lg); margin-bottom: var(--spacing-lg); min-width: 0; }
@media (min-width: 992px) { .card { padding: var(--spacing-xl); } }
.lede { margin-top: 0; }
.muted, .hint { color: var(--color-text-secondary); font-size: 13px; }
.hint { margin-left: var(--spacing-md); }
.empty { margin: var(--spacing-sm) 0; color: var(--color-text); }
.note { background: var(--color-warning-bg); color: var(--color-text); padding: var(--spacing-sm) var(--spacing-md); border-radius: var(--radius-base); border-left: 3px solid var(--color-warning); }
.added { background: var(--color-success-bg); color: var(--color-text); padding: var(--spacing-sm) var(--spacing-md); border-radius: var(--radius-base); border-left: 3px solid var(--color-success); }
.form-error { color: var(--color-error-text); min-height: 1em; }
.plan { font-size: 15px; }
.form-grid { display: flex; flex-wrap: wrap; gap: var(--spacing-md) var(--spacing-lg); margin: var(--spacing-sm) 0 var(--spacing-lg); }
.form-grid label, label.block { display: flex; flex-direction: column; gap: var(--spacing-xs); font-size: 13px; color: var(--color-text-secondary); min-width: 0; max-width: 100%; }
label.block { margin: var(--spacing-sm) 0; }
label.inline { font-size: 13px; color: var(--color-text-secondary); display: inline-flex; align-items: center; gap: var(--spacing-sm); }
.actions { display: flex; gap: var(--spacing-sm); flex-wrap: wrap; align-items: center; margin-top: var(--spacing-lg); }
.row-between { display: flex; justify-content: space-between; align-items: baseline; gap: var(--spacing-sm) var(--spacing-lg); flex-wrap: wrap; }
.row-between h2, .row-between h3 { margin-bottom: var(--spacing-sm); }
.tag { font-size: 12px; border: 1px solid var(--color-border); border-radius: var(--radius-base); padding: 0 6px; color: var(--color-text); white-space: nowrap; }
.scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
details > summary { cursor: pointer; }
details.more, details.entry { margin-top: var(--spacing-lg); }
details.more > summary, details.entry > summary { color: var(--color-link); font-weight: 600; }
kbd { font: inherit; font-size: 12px; font-weight: 600; border: 1px solid var(--color-border-control); border-bottom-width: 2px; border-radius: var(--radius-base); padding: 0 5px; background: var(--color-bg-secondary); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ---- tables: text left, numbers right in tabular figures ---- */
table.data { border-collapse: collapse; width: 100%; font-size: 14px; }
table.data th, table.data td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--color-border); vertical-align: top; }
table.data th { font-weight: 400; color: var(--color-text-secondary); font-size: 13px; white-space: nowrap; }
table.data .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
table.data td.num .muted { white-space: nowrap; }
@media (max-width: 575px) { table.data { font-size: 13px; } table.data th, table.data td { padding: 6px 3px; } table.data th, table.data th.num { white-space: normal; } .card { padding: var(--spacing-md); } }
table.log .group-row th { color: var(--color-text); background: var(--color-bg-secondary); font-weight: 600; font-size: 14px; white-space: normal; }
table.log .sec-row td:first-child { font-weight: 600; }
table.log .sub-row td:first-child, .entry-table .sub-row td:first-child, table.data .sub-row td:first-child { padding-left: 24px; }
.entry-table input { width: 4.5em; }
.th-sub { font-size: 12px; color: var(--color-text-secondary); }
.res { display: inline-block; font-size: 12px; font-weight: 600; border-radius: var(--radius-base); padding: 0 5px; margin-left: 2px; border: 1px solid; white-space: nowrap; }
.res-right { color: var(--color-success-text); background: var(--color-success-bg); border-color: var(--color-success); }
.res-wrong { color: var(--color-error-text); background: var(--color-error-bg); border-color: var(--color-error); }
.res-blank { color: var(--color-text); background: var(--color-bg-light); border-color: var(--color-border-control); }

/* ---- Practice: drill setup, Today ---- */
.resume { border-left: 3px solid var(--color-warning); }
.card.today .actions { margin-top: var(--spacing-sm); }
.strategy { margin-top: var(--spacing-lg); display: grid; gap: var(--spacing-sm); }
.strategy-card { border: 1px solid var(--color-border); border-radius: var(--radius-base); padding: var(--spacing-sm) var(--spacing-md); }
.strategy-card summary { color: var(--color-link); font-weight: 600; }
.strategy-card ol { margin: var(--spacing-sm) 0; padding-left: 20px; }
.strategy-card p { margin: var(--spacing-xs) 0; }

/* ---- the drill screen: larger type for the student under time pressure (setup-page exception) ---- */
.drill { background: var(--color-bg-base); border: 1px solid var(--color-border); border-radius: var(--radius-base); padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-xl); max-width: 860px; margin: 0 auto; }
.drill-bar { display: flex; justify-content: space-between; align-items: center; gap: var(--spacing-lg); }
.qnum { color: var(--color-text-secondary); font-size: 14px; }
.clock { font-size: 28px; font-variant-numeric: tabular-nums; font-weight: 600; }
.clock.low { color: var(--color-error-text); }
.qtime { font-variant-numeric: tabular-nums; color: var(--color-text-secondary); min-width: 4.5em; text-align: right; font-size: 14px; }
.pacebar { position: relative; height: 6px; background: var(--color-bg-light); border-radius: 3px; margin: var(--spacing-sm) 0; overflow: hidden; }
.pacebar div { height: 100%; width: 0; background: var(--color-primary); }
.pacemark { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: var(--color-text-secondary); }
.drill.over .pacebar div { background: var(--color-warning); }
.cue { min-height: 2.4em; font-weight: 600; color: var(--color-warning-text); font-size: 15px; }
.drill.over .cue { background: var(--color-warning-bg); border-left: 3px solid var(--color-warning); padding: var(--spacing-sm) var(--spacing-md); border-radius: var(--radius-base); }
.drill .stem { font-size: 18px; line-height: 1.5; margin: var(--spacing-sm) 0 var(--spacing-lg); }
.stem .hint { display: block; margin: var(--spacing-xs) 0 0; font-size: 14px; }
.stem .exprs { margin-top: var(--spacing-sm); display: grid; gap: var(--spacing-xs); }
.logic-q { display: inline-block; margin-top: var(--spacing-sm); color: var(--color-text-secondary); }
ol.choices { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--spacing-sm); }
.choice { width: 100%; height: auto; min-height: 48px; justify-content: flex-start; text-align: left; white-space: normal; line-height: 1.4; gap: var(--spacing-md); font-size: 16px; padding: 10px var(--spacing-lg); }
.choice:hover:not(:disabled) { color: var(--color-text); background: var(--color-selected-bg); }
.letter { font-weight: 600; color: var(--color-text-secondary); min-width: 1.2em; }
.drill-foot { display: flex; justify-content: space-between; align-items: center; gap: var(--spacing-md); margin-top: var(--spacing-lg); flex-wrap: wrap; }
.drill-foot .hint { margin-left: 0; }
.figs { display: flex; gap: var(--spacing-xxl); margin: var(--spacing-xs) 0 var(--spacing-lg); flex-wrap: wrap; }
figure.geo { margin: 0; text-align: center; }
figure.geo figcaption { color: var(--color-text-secondary); font-size: 13px; }
.fig-on { fill: var(--fig-on); stroke: var(--color-text); stroke-width: 1; }
.fig-off { fill: var(--fig-off); stroke: var(--color-text); stroke-width: 1; }
/* section mode */
.drill-bar .mark.on { background: var(--color-warning-bg); color: var(--color-warning-text); border-color: var(--color-warning); font-weight: 600; }
.section-mode .cue { color: var(--color-text); font-weight: 400; }
.section-mode .cue:not(:empty) { background: var(--color-bg-secondary); border-left: 3px solid var(--color-border-control); padding: var(--spacing-sm) var(--spacing-md); border-radius: var(--radius-base); }
.choice.chosen { border-color: var(--color-primary); background: var(--color-selected-bg); box-shadow: inset 0 0 0 1px var(--color-primary); }
.choice.chosen .letter { color: var(--color-primary); }
.nav { display: flex; gap: var(--spacing-sm); flex-wrap: wrap; margin-top: var(--spacing-lg); }
.nav button { height: 40px; }
.nav .primary { margin-left: auto; }
.strip { display: flex; flex-wrap: wrap; gap: var(--spacing-xs); margin-top: var(--spacing-lg); }
.qbtn { width: 36px; height: 36px; padding: 0; font-size: 13px; font-variant-numeric: tabular-nums; }
.qbtn.answered { background: var(--color-selected-bg); color: var(--color-primary); border-color: var(--color-primary); font-weight: 600; }
.qbtn.marked { background: var(--color-warning-bg); color: var(--color-warning-text); border: 2px dashed var(--color-warning); font-weight: 600; }
.qbtn.current { outline: 2px solid var(--color-primary); outline-offset: 2px; }
@media (max-width: 575px) {
  .drill { padding: var(--spacing-md); }
  .clock { font-size: 24px; }
  .nav .primary { margin-left: 0; }
}

/* ---- results and review ---- */
.scoreline { display: flex; gap: var(--spacing-xxl); flex-wrap: wrap; margin: var(--spacing-lg) 0; }
.scoreline > div { display: flex; flex-direction: column; }
.big-num { font-size: 28px; font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1.2; }
.scoreline .label { color: var(--color-text-secondary); font-size: 13px; }
table.results td.flag { min-width: 10em; color: var(--color-warning-text); }
.paceline { margin: calc(-1 * var(--spacing-xs)) 0 var(--spacing-lg); }
.verdict { display: inline-block; font-size: 12px; font-weight: 600; border-radius: var(--radius-base); padding: 0 6px; white-space: nowrap; border: 1px solid; }
.verdict.v-too-slow, .verdict.v-rushing { background: var(--color-warning-bg); color: var(--color-warning-text); border-color: var(--color-warning); }
.verdict.v-on-pace { background: var(--color-success-bg); color: var(--color-success-text); border-color: var(--color-success); }
.pacing-note { margin-top: var(--spacing-sm); }
ol.review, ol.pending { padding-left: 24px; margin: 0; }
ol.review > li, ol.pending > li { padding: var(--spacing-md) 0; border-bottom: 1px solid var(--color-border); }
ol.review .stem, ol.pending .stem { font-size: 15px; margin-bottom: var(--spacing-sm); }
ol.choices.static { gap: 2px; }
ol.choices.static li { padding: 2px var(--spacing-sm); border-radius: var(--radius-base); }
ol.choices.static li.key { background: var(--color-success-bg); color: var(--color-success-text); font-weight: 600; }
ol.choices.static li.key::after { content: "  correct"; font-size: 12px; }
ol.choices.static li.picked { background: var(--color-error-bg); color: var(--color-error-text); text-decoration: line-through; }
ol.choices.static li.picked::after { content: "  your answer"; font-size: 12px; text-decoration: none; display: inline-block; margin-left: 4px; }
.expl { margin: var(--spacing-sm) 0 0; color: var(--color-text); }
.why { display: flex; gap: var(--spacing-sm); flex-wrap: wrap; margin-top: var(--spacing-sm); }
.why button.on { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.wordnote { margin: var(--spacing-sm) 0 0; padding: var(--spacing-sm) var(--spacing-md); border-left: 3px solid var(--color-primary); background: var(--color-bg-secondary); border-radius: 0 var(--radius-base) var(--radius-base) 0; overflow-wrap: anywhere; }
.wordnote p { margin: 2px 0; }
.wordnote .pos { color: var(--color-text-secondary); font-style: italic; font-size: 13px; }
.wordnote .others .sep { color: var(--color-text-secondary); }

/* ---- Words ---- */
.wcard { background: var(--color-bg-secondary); border: 1px solid var(--color-border); border-radius: var(--radius-base); padding: var(--spacing-xxl); text-align: center; cursor: pointer; min-height: 11em; display: flex; flex-direction: column; justify-content: center; gap: var(--spacing-sm); }
.wcard .word { font-size: 28px; font-weight: 600; }
.wcard .def { font-size: 16px; }
.wcard .def .muted { font-size: 14px; }
.wcard .pair { color: var(--color-text); }
.wcard .flip-hint { color: var(--color-text-secondary); font-size: 13px; }
.wstats { display: flex; gap: var(--spacing-xl); flex-wrap: wrap; align-items: center; margin: var(--spacing-sm) 0 var(--spacing-md); }
.wstats .lesson-btn { margin-left: auto; }
.wlist { columns: 3; column-gap: var(--spacing-xxl); }
@media (max-width: 575px) { .wlist { columns: 2; } }
.lesson .lprog { color: var(--color-text-secondary); font-size: 13px; margin: var(--spacing-xs) 0 var(--spacing-md); }
.lesson .row-between h2 { margin-bottom: 0; }

/* ---- Reading passages ---- */
.passage { background: var(--color-bg-secondary); border: 1px solid var(--color-border); border-radius: var(--radius-base); padding: var(--spacing-xs) var(--spacing-lg); margin: var(--spacing-sm) 0 var(--spacing-lg);
  max-height: 50vh; overflow-y: auto; font-size: 16px; line-height: 1.6; }
.passage p { margin: var(--spacing-sm) 0; }
details.passage-again { margin: var(--spacing-xs) 0 var(--spacing-sm); }
details.passage-again summary { color: var(--color-link); font-size: 13px; }
@media (max-width: 600px) { .passage { max-height: none; overflow: visible; padding: 2px var(--spacing-md); } }

/* ---- Parents: Overview ---- */
.ov-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--spacing-lg); margin-bottom: var(--spacing-lg); }
.ov-grid > .card { margin-bottom: 0; }
@media (min-width: 992px) { .ov-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.ov-student .last { font-size: 14px; }
.ov-student table.stats td:first-child { white-space: nowrap; }
.compare .needs p { margin: var(--spacing-xs) 0; }
.compare-table td.cmp { white-space: nowrap; font-variant-numeric: tabular-nums; position: relative; text-align: right; }
.compare-table .weaker { color: var(--color-error-text); }
.compare-table .sep { color: var(--color-text-secondary); padding: 0 2px; }

/* the activity feed: one row per session, opening to question-by-question detail */
.feed { border-top: 1px solid var(--color-border); margin-top: var(--spacing-sm); }
.feed-row { border-bottom: 1px solid var(--color-border); }
.feed-row > summary { list-style: none; display: grid; grid-template-columns: 10rem 2.5rem 6.5rem minmax(0, 1fr) 8rem 8.5rem; gap: 2px var(--spacing-md); padding: var(--spacing-sm); align-items: baseline; }
.feed-row > summary::-webkit-details-marker { display: none; }
.feed-row > summary:hover { background: var(--color-bg-secondary); }
.feed-row[open] > summary { background: var(--color-selected-bg); }
.f-when { font-variant-numeric: tabular-nums; white-space: nowrap; }
.f-when::before { content: ""; display: inline-block; width: 6px; height: 6px; margin: 0 8px 2px 0; border-right: 1.5px solid var(--color-text-secondary); border-bottom: 1.5px solid var(--color-text-secondary); transform: rotate(-45deg); transition: transform .16s cubic-bezier(.2, .8, .2, 1); }
.feed-row[open] .f-when::before { transform: rotate(45deg); }
.dtable td:last-child { min-width: 8em; }
.f-who { font-weight: 600; }
.f-score, .f-time { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.f-lbl { display: none; }
.f-pace { grid-column: 4 / -1; font-size: 13px; color: var(--color-text-secondary); }
.feed-detail { padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-lg); }
.feed-detail .actions { margin-top: var(--spacing-sm); }
.dtable td:nth-child(2) { min-width: 16em; }
.dtable .qn { display: none; font-weight: 600; margin-right: 4px; }
.dtype { font-size: 12px; border: 1px solid var(--color-border); border-radius: var(--radius-base); padding: 0 5px; white-space: nowrap; margin-right: 4px; }
.dtable tr.wrong td:first-child { box-shadow: inset 3px 0 0 var(--color-error); }
.dtable tr.right td:first-child { box-shadow: inset 3px 0 0 var(--color-success); }
@media (max-width: 767px) {
  .feed-row > summary { display: flex; flex-wrap: wrap; gap: 2px var(--spacing-md); }
  .f-what { flex-basis: 100%; padding-left: 1em; }
  .f-score { padding-left: 1em; }
  .f-lbl { display: inline; color: var(--color-text-secondary); font-size: 13px; }
  .f-pace { flex-basis: 100%; padding-left: 1em; }
  /* detail rows stack: question first, then choice, answer and time on one line, then flags */
  table.dtable thead { display: none; }
  table.dtable, table.dtable tbody { display: block; width: 100%; }
  table.dtable tr { display: flex; flex-wrap: wrap; gap: 2px 12px; border-bottom: 1px solid var(--color-border); padding: var(--spacing-sm) 0 var(--spacing-sm) var(--spacing-md); }
  table.dtable td:nth-child(n) { display: block; border: none; padding: 0; text-align: left; white-space: normal; min-width: 0; box-shadow: none; }
  .dtable .qn { display: inline; }
  table.dtable td[data-l="#"]:nth-child(n) { display: none; }
  table.dtable td[data-l="Question"]:nth-child(n), table.dtable td[data-l="Flags"]:nth-child(n) { flex-basis: 100%; }
  table.dtable td[data-l="Chose"]::before, table.dtable td[data-l="Correct"]::before, table.dtable td[data-l="Flags"]::before { content: attr(data-l) " "; color: var(--color-text-secondary); font-size: 13px; }
  table.dtable tr.wrong { box-shadow: inset 3px 0 0 var(--color-error); }
  table.dtable tr.right { box-shadow: inset 3px 0 0 var(--color-success); }
  table.dtable tr.wrong td:first-child, table.dtable tr.right td:first-child { box-shadow: none; }
}

/* ---- Parents: a student's page ---- */
.report-card { border-top: 3px solid var(--color-primary); }
.report-text { width: 100%; font-family: var(--font-mono); font-size: 13px; line-height: 1.4; background: var(--color-bg-secondary); color: var(--color-text); border: 1px solid var(--color-border); border-radius: var(--radius-base); padding: var(--spacing-md); margin-top: var(--spacing-md); white-space: pre-wrap; overflow: auto; resize: vertical; }
@media (max-width: 575px) { .report-text { font-size: 12px; } }
.words-table td:first-child { white-space: nowrap; }
.trend svg { width: 100%; max-width: 480px; height: auto; display: block; margin-bottom: var(--spacing-sm); }
.trend .axis { stroke: var(--color-border); }
.trend .target { stroke: var(--color-text-secondary); stroke-dasharray: 4 3; }
.trend .line { fill: none; stroke: var(--color-primary); stroke-width: 2; }
.trend .dot { fill: var(--color-primary); }
.trend text { fill: var(--color-text); font-size: 11px; }

/* ---- Question Bank: grouped review list, keyboard approval (A / U / J / K) ---- */
h4.bgroup-head { margin: var(--spacing-xxl) 0 var(--spacing-xs); padding-bottom: var(--spacing-xs); border-bottom: 1px solid var(--color-border); }
h4.bgroup-head .muted { font-weight: 400; margin-left: var(--spacing-sm); }
ol.bitems { list-style: none; padding: 0; margin: 0; }
.bitem { padding: var(--spacing-sm) var(--spacing-md); border-bottom: 1px solid var(--color-border); border-left: 3px solid transparent;
  scroll-margin-top: calc(var(--head-h, 92px) + 12px); scroll-margin-bottom: 56px; }
.bitem:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.bitem .stem { font-size: 15px; margin: var(--spacing-xs) 0 var(--spacing-sm); }
.bitem .actions { margin-top: var(--spacing-sm); }
.bitem.is-approved { border-left-color: var(--color-success); }
.bmeta { display: flex; justify-content: space-between; gap: var(--spacing-md); flex-wrap: wrap; }
.bstatus { color: var(--color-success-text); font-weight: 600; font-size: 13px; }
.bprogress { position: sticky; bottom: 0; margin: var(--spacing-lg) calc(-1 * var(--spacing-xl)) calc(-1 * var(--spacing-xl)); padding: var(--spacing-sm) var(--spacing-xl); background: var(--color-bg-base); border-top: 1px solid var(--color-border);
  font-weight: 600; font-variant-numeric: tabular-nums; }
.bpassage-group { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--spacing-lg); align-items: start; margin-top: var(--spacing-sm); }
.bpassage-group > .passage { position: sticky; top: calc(var(--head-h, 92px) + 8px); max-height: calc(100vh - var(--head-h, 92px) - 72px); margin: 0; }
.bpassage-group details.passage-again { display: none; }
ol.pending .actions { margin-top: var(--spacing-sm); }
ol.pending.approved > li { padding: var(--spacing-sm) 0; }
@media (max-width: 991px) { .bprogress { margin: var(--spacing-lg) calc(-1 * var(--spacing-lg)) calc(-1 * var(--spacing-lg)); padding: var(--spacing-sm) var(--spacing-lg); } }
@media (max-width: 760px) {
  .bpassage-group { display: block; }
  .bpassage-group > .passage { position: static; max-height: none; }
  .bpassage-group details.passage-again { display: block; }
}

/* ---- print ---- */
@media screen { #print-root { display: none; } }
@media print {
  @page { margin: 0.55in; }
  :root { --color-text: #000; --color-text-secondary: #333; --color-border: #999; --fig-on: #555; --fig-off: #fff; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .no-print, .app-head, .subnav { display: none !important; }
  body { padding-top: 0; }
  #print-root { display: block; }
  .print-page { page-break-after: always; break-after: page; }
  .print-page:last-child { page-break-after: auto; break-after: auto; }
  .booklet-head { border-bottom: 2px solid #000; margin-bottom: 10pt; }
  .booklet-head h1, .sheet-head h1, .key h1 { font-size: 15pt; margin: 0 0 4pt; }
  .booklet-head p { margin: 2pt 0; font-size: 10pt; }
  ol.pqs { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 24pt; }
  li.pq { break-inside: avoid; page-break-inside: avoid; display: flex; gap: 6pt; margin-bottom: 10pt; }
  .pq-num { font-weight: 700; min-width: 1.8em; }
  .pq-body .stem { margin-bottom: 3pt; }
  .pq-body .stem .hint { font-size: 9pt; color: #333; margin: 2pt 0 0; display: block; }
  ol.pchoices { list-style: none; padding: 0; margin: 0; }
  ol.pchoices li { margin: 1pt 0; }
  ol.pchoices .letter { color: #000; font-weight: 400; }
  .figs { display: flex; gap: 10pt; margin: 4pt 0; }
  figure.geo svg { width: 54pt; height: 54pt; }
  .sheet-head { display: flex; justify-content: space-between; gap: 12pt; border-bottom: 2px solid #000; padding-bottom: 6pt; margin-bottom: 6pt; }
  .sheet-head p { margin: 0; }
  .sheet-fields { display: grid; grid-template-columns: auto auto; gap: 4pt 14pt; font-size: 10pt; }
  .sheet-fields span { display: flex; gap: 4pt; align-items: flex-end; }
  .sheet-fields i { display: inline-block; width: 70pt; border-bottom: 1px solid #000; }
  .sheet-rules { font-size: 9.5pt; margin: 4pt 0 8pt; }
  .sheet-section { break-inside: auto; margin-bottom: 8pt; }
  .sheet-section h2 { font-size: 11pt; margin: 6pt 0 3pt; break-after: avoid; }
  .bubbles { columns: 4; column-gap: 14pt; }
  .bub-block { break-inside: avoid; page-break-inside: avoid; }
  .bub-row { display: flex; align-items: center; gap: 4pt; height: 16pt; break-inside: avoid; flex-wrap: wrap; }
  .bub-row.check { border-bottom: 1.5px solid #000; margin-bottom: 3pt; }
  .bub-num { width: 2.2em; text-align: right; font-weight: 700; font-size: 9.5pt; }
  .bub { width: 13pt; height: 13pt; border: 1px solid #000; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 7pt; }
  .bub-check { display: none; }
  .key-cols { display: flex; gap: 24pt; }
  .key table.data td { padding: 1pt 6pt; border-bottom: 1px solid #ccc; }
}
@media print { .passage { max-height: none; overflow: visible; border: none; background: none; padding: 0; font-size: 10.5pt; line-height: 1.45; } }
@media print {
  .pgroup { margin: 0 0 12pt; }
  .pgroup + .pgroup, .pgroup + ol.pqs { border-top: 1px solid #999; padding-top: 8pt; }
  .pdir { font-weight: 700; margin: 0 0 4pt; break-after: avoid; page-break-after: avoid; }
  .pgroup .passage { margin: 0 0 8pt; break-after: avoid; page-break-after: avoid; }
  .pgroup .passage p { margin: 0 0 4pt; text-indent: 1.5em; orphans: 3; widows: 3; }
}
@media print {
  .pgroup { break-inside: avoid; page-break-inside: avoid; }
  .pgroup .passage p { break-inside: avoid; }
  .pgroup + .vgroup { border-top: 1px solid #999; padding-top: 8pt; }
  .vgroup .pq-body .stem .hint { display: none; }
  .vgroup .pdir { break-after: avoid; page-break-after: avoid; }
  .bubbles { columns: auto; display: grid; grid-auto-flow: column; grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(var(--brows, 1), auto); column-gap: 14pt; row-gap: 3pt; align-content: start; }
  .bub-block { align-self: start; }
  .sheet-section { break-inside: avoid; page-break-inside: avoid; }
}

/* ---- Tester mode (hidden third profile) ---- */
.tester-banner { background: var(--color-warning-bg, #FF950014); color: var(--color-text, #242633); border-bottom: 1px solid var(--color-border, #E5E7EB); padding: 8px 16px; font-size: 13px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.tester-banner button { height: 24px; padding: 0 8px; font-size: 12px; }
.tester-btn[aria-pressed="true"] { background: var(--color-warning-text, #B45309) !important; border-color: var(--color-warning-text, #B45309) !important; color: #fff !important; }