/* Writing practice and feedback (templates/assessments/writing_*.html, _wreport.html). Builds on app.css tokens,
   ui.css components and the Kashi layer; sizes follow docs/UI-DESIGN.md §۷ (type tokens only, controls 40/44px).
   The result page mirrors speaking.css (band badge, criterion cards, meter, popover marks) so both feel like one tool. */

.wr-page { --wr-ta: var(--indigo); --wr-cc: var(--teal); --wr-lr: #8a4fd0; --wr-gra: #b86e00; --wr-err: var(--bad); --wr-sty: #b86e00;
  max-inline-size: 1120px; }
.wr-result, .wr-page:not(.wr-work) { max-inline-size: 900px; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .wr-page { --wr-gra: var(--saffron); --wr-sty: var(--saffron); --wr-lr: #b48ef0; } }
:root[data-theme="dark"] .wr-page { --wr-gra: var(--saffron); --wr-sty: var(--saffron); --wr-lr: #b48ef0; }

.wr-kicker { display: inline-block; font-size: var(--fs-xs); font-weight: 700; color: var(--teal); }
.wr-head { display: grid; gap: 4px; margin-block-end: 14px; }
.wr-head h1 { font-size: var(--fs-h1); line-height: var(--lh-title); }
.wr-meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-block-start: 4px; }
.wr-meta .tag .ic { inline-size: 14px; block-size: 14px; }
.tag.warn { background: color-mix(in srgb, var(--saffron) 22%, var(--card)); color: var(--ink); }
[lang="en"] { font-family: var(--f-display); }

/* ---- list ------------------------------------------------------------------------------------------------------ */
.wr-hero { display: grid; gap: 16px; padding: 20px; border-radius: var(--r-xl); border: 1px solid var(--hair); margin-block-end: 16px;
  background: radial-gradient(120% 140% at 100% 0%, color-mix(in srgb, var(--indigo) 12%, transparent), transparent 60%),
              radial-gradient(90% 120% at 0% 100%, color-mix(in srgb, var(--teal) 12%, transparent), transparent 55%), var(--card); }
.wr-hero h1 { font-size: var(--fs-h1); line-height: var(--lh-title); margin-block: 2px 6px; }
.wr-hero p { color: var(--ink-2); max-inline-size: 64ch; margin-block-end: 10px; }
.wr-status { display: grid; gap: 6px; margin: 0; padding: 12px 14px; list-style: none; border-radius: var(--r-md); background: var(--paper-2); color: var(--ink-2); align-self: start; }
.wr-status li { display: flex; gap: 8px; align-items: center; }
.wr-status .ic { inline-size: 16px; block-size: 16px; flex: none; opacity: 0.5; }
.wr-status li.on .ic { color: var(--ok); opacity: 1; }
@media (min-width: 760px) { .wr-hero { grid-template-columns: 1fr minmax(240px, 300px); padding: 24px 26px; } }
.wr-filter { position: sticky; inset-block-start: calc(var(--header-h) + var(--safe-t) + 12px); z-index: 5; margin-block-end: 6px; max-inline-size: 100%; overflow-x: auto; }
.wr-group { padding-block: 14px 6px; scroll-margin-block-start: 120px; }
.wr-group[hidden] { display: none; }
.wr-group-head { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; margin-block-end: 10px; }
.wr-group-head h2 { font-size: var(--fs-lg); }
.wr-cards { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); }
.wr-card { display: grid; gap: 6px; align-content: start; padding: 14px 16px; border-radius: var(--r-lg); border: 1px solid var(--hair); background: var(--card);
  color: var(--ink); text-decoration: none; box-shadow: 0 2px 0 var(--hair); transition: transform 160ms var(--ease-std), border-color 160ms var(--ease-std); }
@media (hover: hover) and (pointer: fine) { .wr-card:hover { transform: translateY(-2px); border-color: var(--indigo); } }
.wr-card.done { border-inline-start: 3px solid var(--teal); }
.wr-card h3 { font-size: var(--fs-md); line-height: 1.55; }
.wr-card .en { color: var(--ink-2); font-size: var(--fs-sm); text-align: left; line-height: 1.6; }
.wr-card-top { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.wr-card-top .wr-mini { margin-inline-start: auto; }
@media (hover: hover) and (pointer: fine) { html[data-motion="0"] .wr-card:hover { transform: none; } }
.wr-mini { display: inline-grid; place-items: center; min-inline-size: 2.4em; padding: 0 8px; block-size: 26px; border-radius: 999px; font-weight: 800;
  font-size: var(--fs-sm); background: color-mix(in srgb, var(--indigo) 12%, var(--card)); color: var(--ink); white-space: nowrap; }
.wr-mini .ic { inline-size: 14px; block-size: 14px; }

/* ---- workspace -------------------------------------------------------------------------------------------------- */
.wr-grid { display: grid; gap: 16px; align-items: start; }
@media (min-width: 980px) { .wr-grid { grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.2fr); }
  .wr-side { position: sticky; inset-block-start: calc(var(--header-h) + var(--safe-t) + 20px); max-block-size: calc(100dvh - 88px); overflow: auto; padding-inline-end: 2px; } }
.wr-side { display: grid; gap: 12px; }
.wr-prompt { display: grid; gap: 10px; padding: 16px; border-radius: var(--r-lg); border: 1px solid var(--hair); background: var(--card); }
.wr-prompt-main { font: 600 var(--fs-base)/1.75 var(--f-display); text-align: left; }
.wr-prompt-ctx { color: var(--ink-2); font-size: var(--fs-sm); text-align: left; line-height: 1.7; padding: 10px 12px; border-radius: var(--r-md); background: var(--paper-2); }
.wr-prompt .chart { padding: 10px; }
.wr-posts { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; text-align: left; }
.wr-posts li { padding: 10px 12px; border-radius: 4px 14px 14px 14px; background: var(--paper-2); font-size: var(--fs-sm); line-height: 1.65; }
.wr-posts li.prof { background: color-mix(in srgb, var(--indigo) 9%, var(--card)); border: 1px solid color-mix(in srgb, var(--indigo) 25%, var(--hair)); }
.wr-posts b { display: block; font-size: var(--fs-xs); color: var(--teal); margin-block-end: 2px; }
.chart-mixed { display: grid; gap: 10px; }
.chart-mixed-title { font: 600 var(--fs-sm)/1.6 var(--f-display); text-align: left; color: var(--ink-2); }
.chart h4 { font-size: var(--fs-sm); text-align: left; font-family: "Inter Var", system-ui, sans-serif; }
.process { counter-reset: none; display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; text-align: left; }
.process li { position: relative; display: grid; grid-template-columns: 28px 1fr; gap: 2px 10px; align-items: start; padding: 8px 10px;
  border-radius: var(--r-md); border: 1px solid var(--hair); background: var(--paper); }
.process li + li::before { content: ""; position: absolute; inset-block-start: -9px; left: 23px; inline-size: 2px; block-size: 9px; background: var(--s1); }
.process .st-n { grid-row: span 2; display: grid; place-items: center; inline-size: 28px; block-size: 28px; border-radius: 50%; background: var(--s1); color: #fff;
  font: 700 12px/1 "Inter Var", system-ui, sans-serif; }
.process .st-l { font: 600 var(--fs-sm)/1.5 "Inter Var", system-ui, sans-serif; color: var(--ink); }
.process .st-note { color: var(--ink-2); font-size: var(--fs-xs); line-height: 1.5; }
@media (min-width: 560px) { .process:not(.cycle) { grid-template-columns: repeat(2, minmax(0, 1fr)); } .process:not(.cycle) li + li::before { display: none; } }
.process.cycle li:last-child::after { content: "↺ back to 1"; grid-column: 2; font-size: var(--fs-2xs); color: var(--s1); font-weight: 700; }
.st-cycle { color: var(--ink-2); }

.wr-plan { display: grid; gap: 10px; padding: 14px 16px; border-radius: var(--r-lg); border: 1px dashed color-mix(in srgb, var(--teal) 40%, var(--hair));
  background: color-mix(in srgb, var(--teal) 4%, var(--card)); }
.wr-plan h2 { font-size: var(--fs-base); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.wr-plan h2 .ic { inline-size: 18px; block-size: 18px; color: var(--teal); }
.wr-boxes { display: grid; gap: 8px; }
@media (min-width: 560px) and (max-width: 979px) { .wr-boxes { grid-template-columns: 1fr 1fr; } }
.wr-box { display: grid; gap: 4px; font-size: var(--fs-sm); font-weight: 600; color: var(--ink-2); }
.wr-box textarea { inline-size: 100%; min-block-size: 56px; resize: vertical; padding: 8px 10px; border-radius: var(--r-sm); border: 1px solid var(--hair);
  background: var(--card); color: var(--ink); font: 400 var(--fs-base)/1.55 var(--f-display); text-align: left; } /* 16px: no zoom on focus */
.wr-check { display: grid; gap: 4px; margin: 0; padding: 0; list-style: none; text-align: left; font-size: var(--fs-sm); }
.wr-check label { display: flex; gap: 8px; align-items: flex-start; min-block-size: 36px; padding-block: 4px; cursor: pointer; }
.wr-check input { margin-block-start: 5px; inline-size: 18px; block-size: 18px; flex: none; accent-color: var(--teal); }
.wr-check input:checked + span { color: var(--ink-2); text-decoration: line-through; text-decoration-color: var(--teal); }
.wr-more summary { cursor: pointer; min-block-size: 40px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-weight: 600; font-size: var(--fs-sm); }
.wr-more ol { padding-inline-start: 18px; display: grid; gap: 6px; }
.wr-phrases { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0 0; padding: 0; list-style: none; }
.wr-insert { display: grid; gap: 0; text-align: start; padding: 6px 12px; min-block-size: 40px; border-radius: var(--r-md); border: 1px solid var(--hair);
  background: var(--card); color: var(--ink); cursor: pointer; font: inherit; }
.wr-insert:focus-visible { border-color: var(--teal); }
@media (hover: hover) and (pointer: fine) { .wr-insert:hover { border-color: var(--teal); } }
.wr-insert b { font-size: var(--fs-sm); font-weight: 600; }
.wr-insert small { color: var(--ink-2); font-size: var(--fs-xs); }

.wr-editor { display: grid; gap: 10px; padding: 12px; border-radius: var(--r-xl); border: 1px solid var(--hair); background: var(--card); box-shadow: var(--e1); }
.wr-toolbar { position: sticky; inset-block-start: calc(var(--header-h) + var(--safe-t) + 8px); z-index: 4; display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 8px 10px;
  border-radius: var(--r-md); background: color-mix(in srgb, var(--paper-2) 92%, transparent); backdrop-filter: blur(6px); font-size: var(--fs-sm); }
.wr-count { display: grid; gap: 4px; min-inline-size: 120px; }
.wr-count b, .wr-stat b { font-size: var(--fs-md); font-variant-numeric: tabular-nums; }
.wr-count.short b { color: var(--wr-sty); } .wr-count.ok b { color: var(--ok); }
.wr-bar { block-size: 6px; inline-size: 120px; }
.wr-bar i { background: var(--teal); }
.wr-count.ok .wr-bar i { background: var(--ok); }
.wr-tools { display: inline-flex; gap: 6px; align-items: center; margin-inline-start: auto; }
.wr-timer[aria-pressed="true"] { background: color-mix(in srgb, var(--indigo) 12%, var(--card)); border-color: var(--indigo); color: var(--indigo); }
.wr-timer.low { color: var(--bad); border-color: var(--bad); }
.wr-timer #wr-clock { font-variant-numeric: tabular-nums; min-inline-size: 3.2em; display: inline-block; }
#wr-focus[aria-pressed="true"] { color: var(--indigo); }
.wr-saved { min-inline-size: 6em; }
.wr-textarea { inline-size: 100%; min-block-size: min(62vh, 560px); resize: vertical; padding: 16px 18px; border-radius: var(--r-md); border: 1px solid var(--hair);
  background: var(--paper); color: var(--ink); font: 400 1.0625rem/1.85 var(--f-display); text-align: left; caret-color: var(--indigo); tab-size: 4; }
.wr-textarea:focus { outline: 2px solid color-mix(in srgb, var(--indigo) 50%, transparent); outline-offset: 1px; border-color: var(--indigo); }
.wr-submit-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.wr-level { display: inline-flex; gap: 6px; align-items: center; }
.wr-level select { min-block-size: var(--ctl); border-radius: var(--r-md); border: 1px solid var(--hair); background: var(--card); color: var(--ink); padding-inline: 8px; }
.wr-go { min-block-size: var(--ctl-lg); padding-inline: 22px; }
.wr-privacy { line-height: 1.7; }
.wr-timeup { margin: 0; }
#fb:not(:empty) { margin-block-start: 18px; }

/* distraction-free: the editor alone, the prompt one tap away */
body.wr-focus .site-header, body.wr-focus .tabbar, body.wr-focus .site-footer, body.wr-focus .crumbs, body.wr-focus .wr-head,
body.wr-focus .wr-side, body.wr-focus .wr-privacy, body.wr-focus #fb, body.wr-focus .wr-block { display: none !important; }
body.wr-focus .wr-grid { grid-template-columns: 1fr; max-inline-size: 820px; margin-inline: auto; }
body.wr-focus .wr-editor { border: 0; box-shadow: none; background: transparent; padding: 0; }
body.wr-focus .wr-textarea { min-block-size: calc(100dvh - 190px); border-color: transparent; background: var(--card); font-size: 1.125rem; }
body.wr-focus .wr-toolbar { inset-block-start: calc(8px + var(--safe-t)); }
body.wr-focus main { padding-block-start: var(--safe-t); }  /* no header in focus mode: clear the status bar (Android app) */

/* ---- result: headline -------------------------------------------------------------------------------------------- */
.wr-prompt-mini { margin-block-end: 8px; font-size: var(--fs-sm); }
.wr-prompt-mini summary { cursor: pointer; display: inline-flex; gap: 6px; align-items: center; min-block-size: 40px; color: var(--ink-2); }
.wr-prompt-mini p { padding: 10px 12px; border-radius: var(--r-md); background: var(--paper-2); text-align: left; line-height: 1.7; }
.wr-score { display: grid; gap: 16px; grid-template-columns: auto 1fr; align-items: center; padding: 18px; border-radius: var(--r-xl);
  border: 1px solid var(--hair); margin-block: 6px 14px;
  background: radial-gradient(110% 130% at 100% 0%, color-mix(in srgb, var(--indigo) 13%, transparent), transparent 60%), var(--card); }
.wr-badge { position: relative; display: grid; place-items: center; align-content: center; inline-size: 112px; aspect-ratio: 1; isolation: isolate; color: var(--on-indigo, #fff); text-align: center; }
.wr-badge::before, .wr-badge::after { content: ""; position: absolute; inset: 14%; z-index: -1; border-radius: 12px; background: var(--indigo); }
.wr-badge::after { transform: rotate(45deg); }
.wr-badge.range::before, .wr-badge.range::after { background: var(--teal); }
.wr-badge b { font: 800 2.25rem/1 var(--f-display); }
.wr-badge b.rng { font-size: 1.45rem; direction: ltr; }
.wr-badge b.rng i { font-style: normal; opacity: 0.8; padding-inline: 1px; }
.wr-badge b.word { font-size: var(--fs-md); }
.wr-badge span { font-size: 0.6875rem; font-weight: 600; opacity: 0.92; margin-block-start: 4px; }
.wr-score-text { display: grid; gap: 4px; min-inline-size: 0; }
.wr-score-text h1 { font-size: var(--fs-lg); line-height: var(--lh-title); }
.wr-official { display: inline-flex; flex-wrap: wrap; gap: 4px 6px; align-items: center; font-size: var(--fs-sm); font-weight: 600; color: var(--ink); }
.wr-official .ic { inline-size: 16px; block-size: 16px; color: var(--teal); }
@media (max-width: 420px) { .wr-score { grid-template-columns: 1fr; justify-items: start; } .wr-badge { inline-size: 96px; } }

/* ---- result: criteria ----------------------------------------------------------------------------------------- */
.wr-crit { display: grid; gap: 12px; margin-block-end: 6px; }
@media (min-width: 720px) { .wr-crit { grid-template-columns: 1fr 1fr; } }
.wr-c { --c: var(--wr-ta); display: grid; gap: 8px; align-content: start; padding: 14px 16px; border-radius: var(--r-lg); background: var(--card);
  border: 1px solid var(--hair); border-block-start: 3px solid var(--c); box-shadow: var(--e1); min-inline-size: 0; }
.wr-c-cc { --c: var(--wr-cc); } .wr-c-lr { --c: var(--wr-lr); } .wr-c-gra { --c: var(--wr-gra); }
.wr-c header { display: flex; gap: 10px; justify-content: space-between; align-items: flex-start; }
.wr-c h2 { font: 700 var(--fs-md)/1.4 var(--f-display); text-align: left; }
.wr-cband { flex: none; display: grid; place-items: center; min-inline-size: 48px; block-size: 40px; padding-inline: 10px; border-radius: var(--r-md);
  font: 800 var(--fs-xl)/1 var(--f-display); color: var(--c); background: color-mix(in srgb, var(--c) 10%, var(--card)); }
.wr-cband.word, .wr-cband .word { font: 700 var(--fs-sm)/1.2 var(--f-body); }
.wr-cband.ai { display: inline-flex; gap: 4px; color: var(--ink-2); background: var(--paper-2); }
.wr-cband.ai .ic { inline-size: 14px; block-size: 14px; }
.wr-meter { --lo: 0; --hi: 0; --p: 0; position: relative; direction: ltr; block-size: 8px; border-radius: 999px; background: var(--paper-2); margin-block: 4px 0; }
.wr-meter i { position: absolute; inset-block: 0; left: calc(var(--lo) * 100%); width: calc((var(--hi) - var(--lo)) * 100%); border-radius: inherit;
  background: color-mix(in srgb, var(--c) 35%, transparent); }
.wr-meter b { position: absolute; inset-block-start: 50%; left: calc(var(--p) * 100%); inline-size: 14px; block-size: 14px; border-radius: 50%;
  background: var(--c); border: 2px solid var(--card); transform: translate(-50%, -50%); }
.wr-note { display: flex; gap: 6px; align-items: flex-start; color: var(--ink-2); line-height: 1.75; }
.wr-note .ic { inline-size: 16px; block-size: 16px; flex: none; margin-block-start: 4px; }
.wr-note b { color: var(--ink); }
.wr-points { display: grid; gap: 6px; margin: 0; padding: 0; list-style: none; font-size: var(--fs-sm); line-height: 1.8; }
.wr-points li { padding-inline-start: 14px; position: relative; overflow-wrap: anywhere; }
.wr-points li::before { content: ""; position: absolute; inset-inline-start: 0; inset-block-start: 0.75em; inline-size: 6px; block-size: 6px; border-radius: 50%; background: var(--line); }
.wr-points li.good::before { background: var(--ok); } .wr-points li.work::before { background: var(--saffron); }
.wr-quotes { display: inline-flex; flex-wrap: wrap; gap: 4px; vertical-align: baseline; }
.wr-quotes q { quotes: none; padding: 0 6px; border-radius: 6px; background: var(--paper-2); font-size: var(--fs-sm); line-height: 1.7; }
.wr-tip { display: flex; gap: 6px; align-items: flex-start; padding: 8px 10px; border-radius: var(--r-sm); background: color-mix(in srgb, var(--c) 7%, var(--card)); line-height: 1.75; }
.wr-tip .ic { inline-size: 16px; block-size: 16px; flex: none; margin-block-start: 4px; color: var(--c); }
.wr-more.small summary { font-weight: 600; color: var(--ink-2); }

/* ---- result: blocks ---------------------------------------------------------------------------------------------- */
.wr-block { display: grid; gap: 10px; padding-block: 16px; border-block-start: 1px solid var(--hair); }
.wr-block > h2, .wr-block summary h2, .wr-block-head h2 { font-size: var(--fs-lg); display: inline-flex; gap: 8px; align-items: center; }
.wr-block h3 { font-size: var(--fs-base); color: var(--teal); display: inline-flex; flex-wrap: wrap; gap: 8px; align-items: baseline; }
.wr-block-head { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; justify-content: space-between; }
.wr-legend { display: flex; flex-wrap: wrap; gap: 4px 12px; margin: 0; padding: 0; list-style: none; color: var(--ink-2); }
.wr-legend li { display: inline-flex; gap: 6px; align-items: center; }
.wr-legend i { inline-size: 14px; block-size: 4px; border-radius: 2px; }
.wr-legend i.e { background: var(--wr-err); } .wr-legend i.s { background: var(--wr-sty); }

.wr-text { font: 400 var(--fs-md)/2.05 var(--f-display); text-align: left; padding: 16px 18px; border-radius: var(--r-md); background: var(--paper-2);
  white-space: pre-wrap; overflow-wrap: anywhere; }
.wr-mark { display: inline; padding: 0 2px; margin: 0; border: 0; border-radius: 4px; font: inherit; color: inherit; cursor: pointer; white-space: pre-wrap; text-align: inherit; }
.wr-mark.e { background: color-mix(in srgb, var(--wr-err) 12%, transparent); text-decoration: underline wavy var(--wr-err); text-underline-offset: 4px; }
.wr-mark.s { background: color-mix(in srgb, var(--wr-sty) 12%, transparent); text-decoration: underline dotted var(--wr-sty) 2px; text-underline-offset: 5px; }
.wr-mark sup { font: 700 0.62em/1 var(--f-display); color: var(--wr-err); margin-inline-end: 2px; }
.wr-mark:focus-visible, .wr-mark:active { background: color-mix(in srgb, var(--wr-err) 22%, transparent); }
@media (hover: hover) and (pointer: fine) { .wr-mark:hover { background: color-mix(in srgb, var(--wr-err) 22%, transparent); } }
.wr-mark.s:focus-visible, .wr-mark.s:active { background: color-mix(in srgb, var(--wr-sty) 24%, transparent); }
@media (hover: hover) and (pointer: fine) { .wr-mark.s:hover { background: color-mix(in srgb, var(--wr-sty) 24%, transparent); } }
.wr-mark:focus-visible { outline: 2px solid var(--indigo); outline-offset: 1px; }
.wr-fix { font-family: var(--f-display); text-align: left; overflow-wrap: anywhere; }
.wr-fix del, .wr-diff del, .wr-pr-res del { color: var(--bad); text-decoration-thickness: 1.5px; }
.wr-fix ins, .wr-diff ins, .wr-pr-res ins { color: var(--ok); text-decoration: none; font-weight: 700; background: color-mix(in srgb, var(--ok) 12%, transparent); border-radius: 4px; padding: 0 2px; }
.wr-old { text-decoration: underline dotted var(--wr-sty) 2px; text-underline-offset: 4px; }
.wr-ex { text-align: left; }
.wr-n { display: inline-grid; place-items: center; inline-size: 26px; block-size: 26px; border-radius: 50%; color: #fff; font-weight: 700; font-size: var(--fs-xs); flex: none; }
.wr-n.e { background: var(--wr-err); } .wr-n.s { background: var(--wr-sty); }
.wr-n .ic { inline-size: 14px; block-size: 14px; }
.wr-all summary { cursor: pointer; min-block-size: 40px; display: flex; align-items: center; font-weight: 600; color: var(--ink-2); }
.wr-issues { display: grid; gap: 10px; padding: 0; margin: 8px 0; list-style: none; }
.wr-issues li { display: flex; gap: 10px; align-items: flex-start; }

/* structure map: one block per paragraph, its height hinting at its length */
.wr-map { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; counter-reset: par; }
.wr-par { --rc: var(--line); position: relative; display: grid; gap: 4px; padding: 10px 14px; padding-inline-start: 18px; border-radius: var(--r-md);
  border: 1px solid var(--hair); background: var(--card); }
.wr-par::before { content: ""; position: absolute; inset-block: 8px; inset-inline-start: 6px; inline-size: 4px; border-radius: 2px;
  background: var(--rc); opacity: calc(0.45 + min(var(--w), 120) / 220); }
.wr-par.r-intro, .wr-par.r-introoverview { --rc: var(--indigo); } .wr-par.r-overview { --rc: var(--teal); }
.wr-par.r-body, .wr-par.r-details, .wr-par.r-post { --rc: var(--wr-lr); } .wr-par.r-conclusion { --rc: var(--wr-gra); }
.wr-par-head { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: center; }
.wr-role { font-weight: 700; font-size: var(--fs-sm); }
.wr-par-head .tag .ic { inline-size: 12px; block-size: 12px; }
.wr-first { font-size: var(--fs-sm); color: var(--ink-2); text-align: left; line-height: 1.7; }

/* now you practise */
.wr-pr { display: grid; gap: 6px; padding: 12px 14px; border-radius: var(--r-md); border: 1px solid var(--hair); background: var(--card); }
.wr-pr-sent { text-align: left; line-height: 1.9; font-size: var(--fs-base); }
.wr-pr-sent mark { background: color-mix(in srgb, var(--wr-err) 14%, transparent); color: inherit; border-radius: 4px; padding: 0 2px;
  text-decoration: underline wavy var(--wr-err); text-underline-offset: 4px; }
.wr-pr-form { display: flex; flex-wrap: wrap; gap: 8px; }
.wr-pr-form input[type="text"] { flex: 1 1 260px; min-inline-size: 0; min-block-size: var(--ctl); border-radius: var(--r-md); border: 1px solid var(--hair);
  padding-inline: 12px; background: var(--paper); color: var(--ink); font: 400 var(--fs-base) var(--f-display); text-align: left; }
.wr-pr-res { display: grid; gap: 6px; padding: 8px 12px; border-radius: var(--r-md); background: var(--paper-2); }
.wr-pr-res.ok { background: color-mix(in srgb, var(--ok) 10%, var(--card)); }
.wr-pr-res.ok b { color: var(--ok); display: inline-flex; gap: 4px; align-items: center; }
.wr-pr-res .ic { inline-size: 16px; block-size: 16px; }
.wr-pr-target { text-align: left; }

/* upgraded version */
.wr-tabs { justify-self: start; }
.wr-diff { display: grid; gap: 10px; font: 400 var(--fs-md)/2 var(--f-display); text-align: left; padding: 14px 16px; border-radius: var(--r-md); background: var(--paper-2); }
.wr-diff[hidden] { display: none; }
.wr-up-actions { flex-wrap: wrap; gap: 8px; }

/* vocabulary */
.wr-chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }
.wr-chips > li { display: inline-flex; align-items: center; gap: 4px; padding: 4px 4px 4px 12px; padding-inline-start: 12px; border-radius: 999px; background: var(--paper-2); min-block-size: 40px; }
.wr-chips > li > span { display: inline-flex; flex-wrap: wrap; gap: 0 8px; align-items: baseline; }
.wr-chips small { color: var(--ink-2); font-size: var(--fs-xs); }
.wr-chips b { font-weight: 600; font-size: var(--fs-sm); }
.wr-chips li.used { background: color-mix(in srgb, var(--ok) 12%, var(--card)); }
.wr-chips.ai > li { background: color-mix(in srgb, var(--indigo) 9%, var(--card)); }
.wr-chips .tag .ic { inline-size: 12px; block-size: 12px; }
.wr-vocab { display: grid; gap: 10px; padding: 0; margin: 0; list-style: none; grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr)); }
.wr-vocab li { display: grid; gap: 4px; align-content: start; padding: 12px 14px; border-radius: var(--r-md); border: 1px solid var(--hair); background: var(--card); }
.wr-vocab li.used { border-color: color-mix(in srgb, var(--ok) 45%, var(--hair)); }
.wr-vocab b { font: 700 var(--fs-md) var(--f-display); }
.wr-vhead { display: flex; gap: 8px; justify-content: space-between; align-items: center; }
.wr-vtools { display: inline-flex; gap: 4px; align-items: center; flex: none; }
.wr-vtools .tag .ic { inline-size: 14px; block-size: 14px; }
.wr-coll { display: flex; flex-wrap: wrap; gap: 4px; }
.wr-coll span { padding: 0 6px; border-radius: 6px; background: var(--paper-2); }
.wr-links { display: grid; gap: 6px; padding: 0; margin: 0; list-style: none; }
.wr-links a { display: inline-flex; gap: 6px; align-items: center; min-block-size: 36px; }
.wr-links .ic { inline-size: 16px; block-size: 16px; }

/* model answer with annotations: sentence underlines (TA/CC) and word tints (CC linkers, LR words) */
.wr-model summary { cursor: pointer; display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; min-block-size: 40px; }
.wr-model-keys { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-block: 8px 4px; }
.wr-model-keys label { display: inline-flex; gap: 6px; align-items: center; min-block-size: 36px; cursor: pointer; }
.wr-model-keys input { inline-size: 18px; block-size: 18px; accent-color: var(--indigo); }
.wr-model-keys i { inline-size: 14px; block-size: 6px; border-radius: 3px; }
.k-ta { background: var(--wr-ta); } .k-cc { background: var(--wr-cc); } .k-lr { background: var(--wr-lr); }
.wr-model-text { font: 400 var(--fs-md)/2.05 var(--f-display); text-align: left; padding: 14px 16px; border-radius: var(--r-md); background: var(--card);
  border: 1px solid var(--hair); white-space: pre-wrap; }
.wr-model-text .ln-ta { text-decoration: underline 2px var(--wr-ta); text-underline-offset: 6px; }
.wr-model-text .ln-cc { text-decoration: underline 2px color-mix(in srgb, var(--wr-cc) 70%, transparent); text-underline-offset: 6px; }
.wr-model-text .wd-cc { background: color-mix(in srgb, var(--wr-cc) 16%, transparent); border-radius: 4px; }
.wr-model-text .wd-lr { background: color-mix(in srgb, var(--wr-lr) 16%, transparent); border-radius: 4px; }
.wr-model:not(.show-ta) .ln-ta, .wr-model:not(.show-cc) .ln-cc { text-decoration: none; }
.wr-model:not(.show-cc) .wd-cc, .wr-model:not(.show-lr) .wd-lr { background: none; }
.wr-notes { display: grid; gap: 8px; margin: 10px 0 0; }
.wr-notes > div { --c: var(--wr-ta); padding: 10px 12px; border-radius: var(--r-md); background: color-mix(in srgb, var(--c) 6%, var(--card));
  border-inline-start: 3px solid var(--c); }
.wr-notes .n-cc { --c: var(--wr-cc); } .wr-notes .n-lr { --c: var(--wr-lr); } .wr-notes .n-gra { --c: var(--wr-gra); }
.wr-notes dt { font: 700 var(--fs-sm) var(--f-display); color: var(--c); }
.wr-notes dd { margin: 2px 0 0; font-size: var(--fs-sm); line-height: 1.85; }
.wr-notes-text { margin-block-start: 10px; padding: 10px 12px; border-radius: var(--r-md); background: var(--paper-2); font-size: var(--fs-sm); line-height: 1.85; }

.wr-self { display: grid; gap: 4px; padding: 0; margin: 0; list-style: none; }
.wr-self label { display: flex; gap: 8px; align-items: flex-start; min-block-size: 40px; padding-block: 6px; cursor: pointer; }
.wr-self input { margin-block-start: 6px; inline-size: 18px; block-size: 18px; flex: none; accent-color: var(--teal); }
.wr-tips { display: grid; gap: 8px; margin: 0; padding-inline-start: 20px; }
.wr-how { margin-block-start: 8px; padding-block: 12px; border-block-start: 1px solid var(--hair); }
.wr-how summary { cursor: pointer; display: flex; min-block-size: 40px; align-items: center; }
.wr-how summary h2 { font-size: var(--fs-base); }
.wr-how ul { padding-inline-start: 18px; display: grid; gap: 8px; line-height: 1.85; }

/* history, progress, compare */
.wr-hist { display: grid; gap: 6px; padding: 0; margin: 0; list-style: none; }
.wr-hist li { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; justify-content: space-between; padding: 8px 12px; border-radius: var(--r-md); background: var(--paper-2); }
.wr-hist li > a:first-child { min-block-size: 32px; display: inline-flex; align-items: center; }
.wr-hist.big li { background: var(--card); border: 1px solid var(--hair); flex-wrap: nowrap; }
.wr-hist-main { display: grid; gap: 2px; flex: 1; min-inline-size: 0; color: var(--ink); text-decoration: none; }
.wr-hist-main > span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wr-pick { display: grid; place-items: center; inline-size: 40px; block-size: 40px; flex: none; }
.wr-pick input { inline-size: 18px; block-size: 18px; }
.wr-crit-mini { display: none; gap: 3px; font: 700 var(--fs-xs) "Inter Var", system-ui, sans-serif; }
.wr-crit-mini i { --c: var(--wr-ta); font-style: normal; min-inline-size: 28px; text-align: center; padding: 2px 4px; border-radius: 6px;
  color: var(--c); background: color-mix(in srgb, var(--c) 10%, var(--card)); }
.wr-crit-mini i.wr-c-cc { --c: var(--wr-cc); } .wr-crit-mini i.wr-c-lr { --c: var(--wr-lr); } .wr-crit-mini i.wr-c-gra { --c: var(--wr-gra); }
@media (min-width: 640px) { .wr-crit-mini { display: inline-flex; } }
.wr-actions { flex-wrap: wrap; gap: 10px; margin-block-start: 6px; }
.wr-avg { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-block: 8px 14px; }
.wr-avg > p { grid-column: 1 / -1; }
.wr-avg-i { --c: var(--wr-ta); display: grid; justify-items: center; gap: 0; padding: 10px 6px; border-radius: var(--r-md); background: var(--card);
  border: 1px solid var(--hair); border-block-start: 3px solid var(--c); }
.wr-avg-i.wr-c-cc { --c: var(--wr-cc); } .wr-avg-i.wr-c-lr { --c: var(--wr-lr); } .wr-avg-i.wr-c-gra { --c: var(--wr-gra); }
.wr-avg-i span { font: 700 var(--fs-xs) "Inter Var", system-ui, sans-serif; color: var(--c); }
.wr-avg-i b { font: 800 var(--fs-xl)/1.2 var(--f-display); }
.wr-avg-i small { color: var(--ink-2); font-size: var(--fs-xs); }
.wr-chart { margin: 0 0 14px; }
.wr-chart .legend span { display: inline-flex; gap: 6px; align-items: center; }
.wr-chart .legend i { inline-size: 12px; block-size: 3px; border-radius: 2px; }
.wr-table { inline-size: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.wr-table th, .wr-table td { padding: 8px 10px; border-block-end: 1px solid var(--hair); text-align: start; }
.wr-table td { font-variant-numeric: tabular-nums; }
.wr-table td.up { color: var(--ok); font-weight: 700; } .wr-table td.down { color: var(--bad); font-weight: 700; }
.wr-cmp { overflow-x: auto; margin-block-end: 14px; }
.wr-cmp-text { display: grid; gap: 12px; }
@media (min-width: 720px) { .wr-cmp-text { grid-template-columns: 1fr 1fr; } }
.wr-cmp-body { text-align: left; line-height: 1.85; }
.wr-cmp-body p + p { margin-block-start: 10px; }
.wr-empty { display: grid; justify-items: center; gap: 8px; padding: 32px 16px; border-radius: var(--r-lg); border: 1px dashed var(--hair); text-align: center; color: var(--ink-2); }
.wr-empty .ic { inline-size: 32px; block-size: 32px; }
.wr-inline { outline: none; }

@media print { .wr-toolbar, .wr-submit-row, .wr-pr-form, .wr-upgrade form, .site-header, .tabbar { display: none !important; } .wr-text, .wr-model-text { background: none; } }
.wr-reset { display: inline-flex; align-items: center; min-block-size: 32px; margin-inline-start: 6px; border: 0; background: none; color: var(--indigo);
  text-decoration: underline; text-underline-offset: 3px; cursor: pointer; font: inherit; }

/* touch: history links and the "all" link reach a 44px target */
@media (pointer: coarse) {
  .wr-hist li > a, .wr-block-head > a.small { display: inline-flex; align-items: center; min-block-size: 44px; }
}