/* Attempt taking (.quiz-*) and results review (.res-*). Shared components live in components.css. */

/* ==== Attempt: top ================================================================= */
.quiz { padding-top: var(--sp-4); }
@media (min-width: 768px) { .quiz { padding-top: var(--sp-6); } }
/* Room for the fixed bottom bar (the tutor button sits above it). */
@media (max-width: 1023.98px) { .quiz { padding-bottom: 72px; } }

.quiz-top { margin-bottom: var(--sp-5); }
.quiz-topbar {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3);
  margin-bottom: var(--sp-1);
}
.quiz-topbar .back-link { margin-bottom: 0; }

.quiz-save {
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 32px;
  font-size: var(--fs-xs); font-weight: 600; color: var(--text-3);
  white-space: nowrap;
}
.quiz-save .spinner { width: 14px; height: 14px; border-width: 2px; }
.quiz-save[data-state="saved"] { color: var(--text-3); }
.quiz-save[data-state="saved"] .icon { color: var(--success); }
.quiz-save[data-state="error"] { color: var(--danger); }
.quiz-save[data-state="error"] .btn-link { --btn-fg: var(--danger); min-height: 32px; font-size: var(--fs-xs); text-decoration: underline; text-underline-offset: 3px; }
@media (pointer: coarse) { .quiz-save[data-state="error"] .btn-link { min-height: var(--tap); padding: 0 8px; } }
.quiz-save[data-state="saving"], .quiz-save[data-state="saved"] { animation: fade-in var(--dur) var(--ease) both; }

.quiz-heading { display: flex; align-items: center; gap: var(--sp-2) var(--sp-3); flex-wrap: wrap; min-width: 0; }
.quiz-title { font-size: var(--fs-xl); font-weight: 700; letter-spacing: -0.015em; min-width: 0; }
.quiz-progress { margin-top: var(--sp-3); }
.quiz-progress .progress-head { margin-bottom: 8px; font-size: var(--fs-sm); font-weight: 600; }
.quiz-progress .progress-head > :last-child { font-weight: 550; color: var(--text-3); }
/* Desktop: Exit, title and save status share one row, leaving more of the question above the fold. */
@media (min-width: 1024px) {
  .quiz-top { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; column-gap: var(--sp-4); margin-bottom: var(--sp-4); }
  .quiz-topbar { display: contents; }
  .quiz-topbar .quiz-exit { grid-column: 1; grid-row: 1; margin: 0 0 0 -6px; }
  .quiz-heading { grid-column: 2; grid-row: 1; }
  .quiz-save { grid-column: 3; grid-row: 1; }
  .quiz-title { font-size: var(--fs-xl); }
}

/* ==== Attempt: layout =============================================================== */
.quiz-layout { display: grid; gap: var(--sp-6); grid-template-columns: minmax(0, 1fr); align-items: start; }
@media (min-width: 1024px) { .quiz-layout { grid-template-columns: minmax(0, 1fr) 300px; gap: var(--sp-8); } }
.quiz-main { min-width: 0; }

/* ==== Attempt: question card ======================================================== */
.quiz-card { padding: var(--sp-4); }
@media (min-width: 480px) { .quiz-card { padding: var(--sp-5); } }
@media (min-width: 768px) { .quiz-card { padding: var(--sp-6) var(--sp-8) var(--sp-5); } }

.quiz-scenario {
  margin-bottom: var(--sp-5);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
}
details.quiz-scenario > summary { gap: var(--sp-3); padding: 8px 12px 8px 10px; border-radius: inherit; }
details.quiz-scenario > summary:focus-visible { box-shadow: var(--focus); }
details.quiz-scenario > summary::after { color: var(--accent-text); }
.quiz-scenario-icon {
  flex: none; width: 30px; height: 30px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: var(--surface); color: var(--accent);
  box-shadow: var(--shadow-sm);
}
.quiz-scenario-title { display: flex; flex-direction: column; min-width: 0; line-height: 1.3; }
.quiz-scenario-kicker { font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-text); opacity: .85; }
.quiz-scenario-name { font-size: var(--fs-sm); font-weight: 650; color: var(--text); }
.quiz-scenario-body { padding: 0 14px 14px 52px; font-size: var(--fs-sm); line-height: 1.6; color: var(--text-2); }
@media (max-width: 479.98px) {
  .quiz-scenario-icon { display: none; }
  details.quiz-scenario > summary { padding-left: 14px; }
  .quiz-scenario-body { padding-left: 14px; }
}

.quiz-meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-2); margin-bottom: var(--sp-4); }
.quiz-qnum { margin-right: var(--sp-1); font-size: var(--fs-sm); font-weight: 700; color: var(--text); }
.quiz-qnum > span { font-weight: 550; color: var(--text-3); }
.quiz-meta .chip b { font-weight: 700; color: var(--text); }
.quiz-domain-name::before { content: "·"; margin: 0 5px 0 1px; color: var(--text-3); }
.quiz-chip-flag { background: var(--warning-soft); border-color: transparent; color: var(--warning); }
.quiz-chip-flag .icon path:nth-child(2) { fill: currentColor; }

.quiz-stem {
  font-size: var(--fs-lg); line-height: 1.65; font-weight: 450; color: var(--text);
  letter-spacing: -0.003em;
  border-radius: 6px;
}
.quiz-stem:focus-visible { box-shadow: none; outline: none; }
.quiz-stem code { font-size: .84em; }

/* Options: the real input is visually hidden; the body after it is the tappable card. */
.quiz-options { margin: var(--sp-5) 0 0; padding: 0; border: 0; min-width: 0; display: grid; gap: 10px; }
.quiz-option { position: relative; display: block; cursor: pointer; -webkit-user-select: none; user-select: none; }
.quiz-option-input {
  position: absolute; top: 50%; left: 18px;
  width: 1px; height: 1px; margin: 0;
  opacity: 0; pointer-events: none;
}
.quiz-option-body {
  display: flex; align-items: flex-start; gap: 14px;
  min-height: 56px; padding: 13px 14px;
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius);
  transition: border-color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
@media (min-width: 768px) { .quiz-option-body { padding: 14px 16px; gap: 16px; } }
.quiz-letter {
  flex: none; width: 30px; height: 30px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--surface-2); border: 1px solid var(--border-strong);
  color: var(--text-2); font-size: var(--fs-xs); font-weight: 700; line-height: 1;
  transition: background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.quiz-options.is-multi .quiz-letter { border-radius: 8px; } /* square = checkbox, round = radio */
.quiz-option-text { flex: 1 1 auto; min-width: 0; padding-top: 3px; font-size: var(--fs-base); line-height: 1.55; color: var(--text); }
.quiz-option-check {
  flex: none; width: 24px; height: 24px; margin-top: 3px;
  display: grid; place-items: center;
  color: var(--accent);
  opacity: 0; transform: scale(.5);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease-out);
}
.quiz-option-check .icon { stroke-width: 2.5; }
@media (max-width: 479.98px) { .quiz-option-check { display: none; } } /* the filled letter says it on small screens */

@media (hover: hover) {
  .quiz-option:hover .quiz-option-body { border-color: var(--accent-border); background: color-mix(in srgb, var(--accent-soft) 45%, var(--surface)); }
  .quiz-option:hover .quiz-letter { border-color: var(--accent-border); color: var(--accent-text); }
}
.quiz-option:active .quiz-option-body { transform: scale(.995); }
.quiz-option-input:checked + .quiz-option-body {
  background: var(--accent-soft);
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}
.quiz-option-input:checked + .quiz-option-body .quiz-letter { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.quiz-option-input:checked + .quiz-option-body .quiz-option-check { opacity: 1; transform: none; }
.quiz-option-input:focus-visible + .quiz-option-body { box-shadow: var(--focus); border-color: var(--accent); }
.quiz-option-input:checked:focus-visible + .quiz-option-body { box-shadow: inset 0 0 0 1px var(--accent), var(--focus); }
/* Two already chosen: the rest step back a little. */
.quiz-options.is-full .quiz-option-input:not(:checked) + .quiz-option-body { background: var(--surface-2); border-color: var(--border); }
.quiz-options.is-full .quiz-option-input:not(:checked) + .quiz-option-body .quiz-option-text { color: var(--text-2); }

.quiz-hint {
  margin-top: var(--sp-3);
  font-size: var(--fs-sm); font-weight: 550; color: var(--text-3);
  font-variant-numeric: tabular-nums;
}
.quiz-hint.is-warn { color: var(--warning); }
.quiz-hint.is-flash { animation: quiz-nudge 320ms var(--ease); }
@keyframes quiz-nudge { 25% { transform: translateX(-3px); } 75% { transform: translateX(3px); } }

.quiz-card-foot {
  display: flex; align-items: center; justify-content: flex-start; flex-wrap: wrap; gap: var(--sp-2);
  margin-top: var(--sp-4); padding-top: var(--sp-3);
  border-top: 1px solid var(--border);
}
.quiz-card-foot .btn { margin-left: -8px; }
.quiz-card-foot .quiz-flag { margin-left: 0; }
.quiz-card-nav { display: flex; gap: var(--sp-2); margin-left: auto; }
.quiz-card-foot .quiz-card-nav .btn { margin-left: 0; min-width: 120px; }
/* Desktop: the foot sticks to the bottom of the window, so Previous / Next stay in view on long questions. */
@media (min-width: 1024px) {
  .quiz-card-foot {
    position: sticky; bottom: 0; z-index: 1;
    margin: var(--sp-4) calc(-1 * var(--sp-8)) calc(-1 * var(--sp-5));
    padding: var(--sp-3) var(--sp-8) var(--sp-4);
    background: var(--surface);
    border-radius: 0 0 calc(var(--radius-lg) - 1px) calc(var(--radius-lg) - 1px);
  }
}

.quiz-flag[aria-pressed="true"] { --btn-fg: var(--warning); color: var(--warning); }
.quiz-flag[aria-pressed="true"] .icon path:nth-child(2) { fill: currentColor; }
.btn-secondary.quiz-flag[aria-pressed="true"] {
  --btn-bg: var(--warning-soft); --btn-bg-hover: var(--warning-soft);
  --btn-border: color-mix(in srgb, var(--warning) 40%, var(--border));
}

/* ==== Attempt: navigator (sidebar + sheet) ========================================== */
.quiz-side {
  position: sticky;
  top: calc(var(--header-h) + env(safe-area-inset-top, 0px) + var(--sp-4));
  display: flex; flex-direction: column; gap: var(--sp-3);
  max-height: calc(100dvh - var(--header-h) - env(safe-area-inset-top, 0px) - var(--sp-8));
  min-width: 0;
}
.quiz-side-card { display: flex; flex-direction: column; min-height: 0; padding: var(--sp-4); }
.quiz-side-head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--sp-2); margin-bottom: 10px; }
.quiz-side-title { font-size: var(--fs-base); font-weight: 650; }
.quiz-side-count { font-size: var(--fs-xs); font-weight: 600; color: var(--text-2); }
.quiz-side-progress { margin-bottom: var(--sp-4); }
.quiz-side-card .quiz-grid { min-height: 0; overflow-y: auto; overscroll-behavior: contain; margin: 0 -4px; padding: 4px; }
.quiz-side-foot { margin-top: var(--sp-4); padding-top: var(--sp-4); border-top: 1px solid var(--border); }
.quiz-side-summary { margin-bottom: var(--sp-3); font-size: var(--fs-xs); color: var(--text-2); font-variant-numeric: tabular-nums; }

.quiz-legend { display: grid; grid-template-columns: repeat(2, max-content); gap: 6px 18px; margin-bottom: var(--sp-3); font-size: 12px; }
.quiz-legend .legend-item { gap: 10px; } /* room for the current ring and the flag dot */
.quiz-swatch {
  flex: none; position: relative;
  width: 12px; height: 12px;
  border-radius: 4px;
  border: 1.5px solid var(--border-strong);
  background: var(--surface);
}
.quiz-swatch.is-answered { background: var(--accent); border-color: var(--accent); }
.quiz-swatch.is-partial { background: var(--warning-soft); border-color: var(--warning); border-style: dashed; }
.quiz-swatch.is-current { box-shadow: 0 0 0 2px var(--surface), 0 0 0 3.5px var(--text); }
.quiz-swatch.is-flagged::after {
  content: ""; position: absolute; top: -4px; right: -4px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--warning); box-shadow: 0 0 0 1.5px var(--surface);
}

.quiz-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 6px;
  grid-template-columns: repeat(auto-fill, minmax(38px, 1fr));
}
.quiz-cell {
  position: relative;
  width: 100%; height: 38px;
  display: grid; place-items: center;
  border: 1.5px solid var(--border-strong);
  border-radius: 9px;
  background: var(--surface); color: var(--text-2);
  font-size: var(--fs-xs); font-weight: 650; font-variant-numeric: tabular-nums;
  transition: background-color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.quiz-cell:hover { border-color: var(--accent-border); color: var(--text); }
.quiz-cell.is-answered { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.quiz-cell.is-answered:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--on-accent); }
.quiz-cell.is-partial { border-style: dashed; border-color: var(--warning); color: var(--warning); background: var(--warning-soft); }
.quiz-cell[aria-current="step"] { box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--text); }
.quiz-cell[aria-current="step"]:focus-visible { box-shadow: inset 0 0 0 2px var(--surface), var(--focus); }
.quiz-cell.is-flagged::after {
  content: ""; position: absolute; top: -4px; right: -4px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--warning); box-shadow: 0 0 0 2px var(--surface);
}

.quiz-keys {
  display: flex; flex-wrap: wrap; gap: 6px 14px;
  padding: 0 var(--sp-1);
  font-size: 12px; color: var(--text-3);
}
.quiz-keys > span { display: inline-flex; align-items: center; gap: 3px; }
.quiz-keys .kbd { min-width: 20px; height: 20px; padding: 0 5px; font-size: 11px; }
/* Letter shortcuts switched off from the account menu (app.js sets the class). */
.quiz-keys > .quiz-key-off { display: none; }
html.quiz-shortcuts-off .quiz-keys > .quiz-key-char { display: none; }
html.quiz-shortcuts-off .quiz-keys > .quiz-key-off { display: inline-flex; }
/* Short desktop windows: tighter grid, no shortcut row, so Submit stays in view. */
@media (min-width: 1024px) and (max-height: 820px) {
  .quiz-side-card .quiz-cell { height: 34px; }
  .quiz-keys { display: none; }
}
/* Keep Submit clear of the tutor button (56px + 16px offset + 16px gap) where the sidebar reaches its column. */
@media (min-width: 1024px) and (max-width: 1279.98px) {
  .quiz-side { max-height: calc(100dvh - var(--header-h) - env(safe-area-inset-top, 0px) - var(--sp-4) - 88px); }
}

/* Sheet (below 1024px) */
.quiz-sheet-stats { margin-bottom: var(--sp-4); }
.quiz-sheet-stats .progress-head { font-size: var(--fs-sm); }
.quiz-grid-sheet { gap: 8px; grid-template-columns: repeat(auto-fill, minmax(44px, 1fr)); padding: 4px; margin: 0 -4px; }
.quiz-grid-sheet .quiz-cell { height: 44px; font-size: var(--fs-sm); border-radius: 10px; }
.quiz-sheet-foot { flex-wrap: wrap; }
.quiz-sheet-foot .btn { flex: 1 1 auto; }

/* Fixed bottom bar (below 1024px) */
.quiz-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: var(--z-sticky);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: var(--header-bg);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 16px rgba(15, 23, 42, .04);
}
.quiz-bar-inner {
  display: flex; align-items: center; gap: var(--sp-2);
  max-width: calc(var(--reading-max) + 2 * var(--gutter));
  margin-inline: auto;
  padding: 10px max(var(--gutter), env(safe-area-inset-right, 0px)) 10px max(var(--gutter), env(safe-area-inset-left, 0px));
}
.quiz-bar .btn { padding: 0 14px; }
.quiz-bar .btn-icon { padding: 0; flex: none; }
.quiz-bar-grid { flex: 1 1 auto; min-width: 0; gap: 8px; color: var(--text); }
.quiz-bar-grid .icon { color: var(--text-3); }
.quiz-bar-grid b { font-weight: 700; }
.quiz-bar-of { color: var(--text-3); font-weight: 550; }
.quiz-bar-next { flex: none; min-width: 96px; gap: 4px; }
.quiz-bar-next .icon { margin-right: -6px; }
.quiz-lbl-short { display: none; }
@media (max-width: 399.98px) {
  .quiz-lbl-long { display: none; }
  .quiz-lbl-short { display: inline; }
  .quiz-bar .btn { padding: 0 12px; }
  .quiz-bar-inner { gap: 6px; }
}

/* Tutor docked beside the page (tutor.css, 1280px and up): when that leaves the question too narrow for the
   sidebar, fall back to the compact layout (bottom bar + sheet) in the space left of the tutor. */
@media screen and (min-width: 1280px) and (max-width: 1439.98px) {
  html.tutor-docked .quiz-layout { grid-template-columns: minmax(0, 1fr); }
  html.tutor-docked .quiz-side, html.tutor-docked .quiz-card-nav, html.tutor-docked .quiz-card-foot .quiz-flag { display: none !important; }
  html.tutor-docked .quiz-bar, html.tutor-docked .quiz-progress { display: block !important; }
  html.tutor-docked .quiz-progress { grid-column: 1 / -1; }
  html.tutor-docked .quiz-bar { right: var(--tutor-dock); }
  html.tutor-docked .quiz { padding-bottom: 72px; }
  html.tutor-docked .quiz-card-foot { position: static; margin: var(--sp-4) 0 0; padding: var(--sp-3) 0 0; background: none; }
}
@media screen and (min-width: 1440px) and (max-width: 1599.98px) {
  html.tutor-docked-wide .quiz-layout { grid-template-columns: minmax(0, 1fr); }
  html.tutor-docked-wide .quiz-side, html.tutor-docked-wide .quiz-card-nav, html.tutor-docked-wide .quiz-card-foot .quiz-flag { display: none !important; }
  html.tutor-docked-wide .quiz-bar, html.tutor-docked-wide .quiz-progress { display: block !important; }
  html.tutor-docked-wide .quiz-progress { grid-column: 1 / -1; }
  html.tutor-docked-wide .quiz-bar { right: var(--tutor-dock); }
  html.tutor-docked-wide .quiz { padding-bottom: 72px; }
  html.tutor-docked-wide .quiz-card-foot { position: static; margin: var(--sp-4) 0 0; padding: var(--sp-3) 0 0; background: none; }
}

/* Submit confirmation body */
.quiz-confirm-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: var(--sp-3); }
.quiz-confirm-list li { display: flex; align-items: flex-start; gap: 10px; color: var(--text); font-weight: 550; }
.quiz-confirm-list .icon { margin-top: 2px; }
.quiz-confirm-list .is-ok .icon { color: var(--success); }
.quiz-confirm-list .is-warn .icon { color: var(--warning); }
.quiz-confirm-list .is-flag .icon { color: var(--warning); }
.quiz-confirm-list .is-flag .icon path:nth-child(2) { fill: currentColor; }
.quiz-confirm p { font-size: var(--fs-sm); }

/* Phones: a tighter top and question so more of the options fit above the bottom bar. */
@media (max-width: 639.98px) {
  .quiz { padding-top: var(--sp-2); }
  .quiz-top { margin-bottom: var(--sp-3); }
  .quiz-title { font-size: var(--fs-lg); }
  .quiz-progress { margin-top: var(--sp-2); }
  .quiz-progress .progress-head { margin-bottom: 6px; font-size: var(--fs-xs); }
  .quiz-meta { margin-bottom: var(--sp-3); gap: 6px; }
  .quiz-stem { font-size: 17px; line-height: 1.55; }
  .quiz-options { margin-top: var(--sp-4); gap: 8px; }
  .quiz-option-body { padding: 11px 12px; gap: 12px; min-height: 52px; }
  .quiz-option-text { font-size: 15.5px; line-height: 1.5; }
}

/* ==== Results ======================================================================= */
.res-page .back-link { margin-bottom: var(--sp-3); }

.res-hero {
  display: flex; flex-direction: column; align-items: center; gap: var(--sp-5);
  padding: var(--sp-6) var(--sp-5);
  text-align: center;
  overflow: hidden;
}
.res-hero::before { /* soft accent wash behind the ring */
  content: ""; position: absolute; inset: 0 0 auto 0; height: 160px;
  background: linear-gradient(var(--accent-soft), transparent);
  opacity: .7; pointer-events: none; border-radius: inherit;
}
.res-hero > * { position: relative; }
.res-hero-ring .ring-value { font-size: 34px; }
.res-hero-main { min-width: 0; display: flex; flex-direction: column; align-items: center; }
.res-eyebrow {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px;
  font-size: var(--fs-xs); font-weight: 600; color: var(--text-3);
}
.res-title { margin-top: var(--sp-2); font-size: var(--fs-2xl); font-weight: 700; letter-spacing: -0.02em; }
.res-subtitle { margin-top: 2px; font-size: var(--fs-sm); color: var(--text-3); }
.res-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: var(--sp-4); }
.res-cal { height: 28px; padding: 0 11px; font-size: var(--fs-sm); }
.res-cal .icon { width: 15px; height: 15px; }
.res-cal-note { margin-top: var(--sp-3); max-width: 52ch; font-size: var(--fs-xs); color: var(--text-3); }
.res-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--sp-2); margin-top: var(--sp-5); width: 100%; }
@media (max-width: 479.98px) {
  .res-actions .btn { flex: 1 1 140px; }
  .res-title { font-size: var(--fs-xl); }
}
@media (min-width: 640px) {
  .res-hero { flex-direction: row; align-items: center; gap: var(--sp-8); padding: var(--sp-8); text-align: left; }
  .res-hero-main { align-items: flex-start; }
  .res-eyebrow, .res-chips, .res-actions { justify-content: flex-start; }
  .res-hero::before { inset: 0 auto 0 0; width: 280px; height: auto; background: linear-gradient(90deg, var(--accent-soft), transparent); }
}
@media (min-width: 1024px) { .res-hero { padding: var(--sp-8) var(--sp-10); gap: var(--sp-10); } }

.res-breakdown { display: grid; gap: var(--sp-4); grid-template-columns: minmax(0, 1fr); }
@media (min-width: 900px) { .res-breakdown-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.res-card-head { margin-bottom: var(--sp-4); }
.res-bars { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--sp-4); }
.res-bar .progress-head { align-items: flex-start; }
.res-bar-label { color: var(--text-2); line-height: 1.4; }
.res-bar-label b { color: var(--text); font-weight: 650; }
.res-legend { margin-top: var(--sp-4); }

.res-train { display: flex; flex-direction: column; gap: var(--sp-3); }
.res-train-head { display: flex; align-items: flex-start; gap: var(--sp-3); }
.res-courses { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.res-course {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-2);
  min-height: var(--tap); padding: 8px 10px; margin: 0 -10px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm); font-weight: 600;
}
.res-course .icon { color: var(--text-3); }
.res-course:hover { background: var(--surface-2); text-decoration: none; }

.res-review-head {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--sp-3) var(--sp-4);
  margin-bottom: var(--sp-4);
}
.res-review-head > :first-child { flex: 1 1 260px; min-width: 0; }
@media (max-width: 639.98px) { .res-filter { display: flex; width: 100%; } }
.res-list { display: flex; flex-direction: column; gap: var(--sp-4); }
/* Desktop: a sticky question map beside the review (the attempt page's navigator) keeps the stems to a readable measure. */
.res-review-body { display: grid; gap: var(--sp-6); grid-template-columns: minmax(0, 1fr); align-items: start; }
@media (min-width: 1024px) { .res-review-body { grid-template-columns: minmax(0, 1fr) 300px; gap: var(--sp-8); } }
/* Fill and border both differ, so right / wrong / blank don't rely on colour alone. */
.res-map .quiz-cell.is-right, .res-map .quiz-swatch.is-right { background: var(--success-soft); border-color: transparent; color: var(--success); }
.res-map .quiz-cell.is-wrong, .res-map .quiz-swatch.is-wrong { background: var(--danger-soft); border-color: var(--danger); color: var(--danger); }
.res-map .quiz-cell.is-blank, .res-map .quiz-swatch.is-blank { background: var(--warning-soft); border-color: var(--warning); border-style: dashed; color: var(--warning); }
.res-map .quiz-cell:hover { color: var(--text); }

.res-item { padding: var(--sp-4); scroll-margin-top: calc(var(--header-h) + 16px); }
@media (min-width: 480px) { .res-item { padding: var(--sp-5); } }
@media (min-width: 768px) { .res-item { padding: var(--sp-6); } }
@media (min-width: 1024px) { .res-item { padding: var(--sp-6) var(--sp-8); } }
.res-item-head { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-2); margin-bottom: var(--sp-3); }
.res-num {
  flex: none; min-width: 32px; height: 32px; padding: 0 8px;
  display: inline-grid; place-items: center;
  border-radius: 10px;
  background: var(--surface-2); border: 1px solid var(--border);
  font-size: var(--fs-sm); font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: 0;
}
.res-item-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.res-chip-flag { background: var(--warning-soft); border-color: transparent; color: var(--warning); }
.res-chip-flag .icon path:nth-child(2) { fill: currentColor; }
.res-stem { font-size: var(--fs-base); line-height: 1.65; color: var(--text); }
@media (min-width: 768px) { .res-stem { font-size: 17px; } }

.res-options { list-style: none; margin: var(--sp-4) 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.res-option {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 11px 12px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-2);
}
.res-letter {
  flex: none; width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--surface-2); border: 1px solid var(--border-strong);
  font-size: 12px; font-weight: 700; color: var(--text-2);
}
.res-option-main { flex: 1 1 auto; min-width: 0; }
.res-option-text { padding-top: 2px; font-size: var(--fs-sm); line-height: 1.55; }
@media (min-width: 768px) { .res-option-text { font-size: 15px; } }
.res-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.res-tag {
  display: inline-flex; align-items: center; gap: 4px;
  height: 22px; padding: 0 8px;
  border-radius: var(--radius-pill);
  font-size: 12px; font-weight: 650; white-space: nowrap;
}
.res-tag .icon { stroke-width: 2.25; }
.res-tag-right { background: var(--success-soft); color: var(--success); }
.res-tag-wrong { background: var(--danger-soft); color: var(--danger); }
.res-option.is-answer {
  border-color: color-mix(in srgb, var(--success) 45%, var(--border));
  background: color-mix(in srgb, var(--success-soft) 70%, var(--surface));
  color: var(--text);
}
.res-option.is-answer .res-letter { background: var(--success); border-color: var(--success); color: var(--surface); }
.res-option.is-wrong {
  border-color: color-mix(in srgb, var(--danger) 45%, var(--border));
  background: color-mix(in srgb, var(--danger-soft) 70%, var(--surface));
  color: var(--text);
}
.res-option.is-wrong .res-letter { background: var(--danger); border-color: var(--danger); color: var(--surface); }

.res-blank {
  display: flex; align-items: center; gap: 8px;
  margin-top: var(--sp-3);
  font-size: var(--fs-sm); color: var(--warning); font-weight: 550;
}
.res-expl {
  margin-top: var(--sp-4); padding: 14px 16px;
  background: var(--surface-2);
  border-radius: var(--radius);
  font-size: var(--fs-sm);
}
@media (min-width: 768px) { .res-expl { font-size: 15px; } }
.res-expl-label {
  display: flex; align-items: center; gap: 6px; margin-bottom: 6px;
  font-size: var(--fs-xs); font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--text-2);
}
.res-expl-label .icon { color: var(--warning); }
.res-expl .prose { color: var(--text); }
.res-item-foot { display: flex; justify-content: flex-end; margin-top: var(--sp-4); }
@media (max-width: 479.98px) { .res-item-foot .btn { width: 100%; } }

@media (prefers-reduced-motion: reduce) {
  .quiz-option:active .quiz-option-body { transform: none; }
}