/* IELTS Writing check (/study/ielts/writing-check). Square like the rest of Study; uses the IELTS roadmap tokens.
 * Mistake colours are a tinted background plus a coloured underline, so a mark never relies on hue alone
 * (the category is also written in the legend, the side card and the full list). */
.wc-page { --wc-gap: clamp(16px, 2.6vw, 28px); }
.wc-page :is(h1, h2, h3) { font-family: var(--ir-font); letter-spacing: normal; text-transform: none; }
.wc-hero-inner { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(260px, .8fr); gap: 28px 56px; align-items: end; padding-block: clamp(32px, 5vw, 64px); }
.wc-allowance { margin: 22px 0 0; color: var(--ir-hi); font: 600 16px/1.5 var(--ir-font); min-height: 1.5em; }
.wc-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.wc-steps li { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border: 1px solid #4a453b; color: var(--ir-on-ink); font: 500 16px/1.4 var(--ir-font); }
.wc-steps strong { display: grid; place-items: center; flex: 0 0 32px; height: 32px; background: var(--ir-hi); color: var(--ir-ink); font: 700 16px/1 var(--ir-font); }

.wc-work { padding-block: clamp(28px, 4vw, 52px); }
.wc-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 340px); gap: var(--wc-gap); align-items: start; }
.wc-panel { background: var(--ir-card); border: 2px solid var(--ir-ink); padding: clamp(18px, 3vw, 32px); color: var(--ir-text); font: 400 16px/1.6 var(--ir-font); min-width: 0; }
.wc-panel h2 { margin: 0 0 14px; font-size: 22px; line-height: 1.3; color: var(--ir-ink); }
.wc-task { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; border: 0; padding: 0; margin: 0 0 26px; min-width: 0; }
.wc-task legend, .wc-label { display: block; margin: 0 0 10px; color: var(--ir-ink); font: 700 18px/1.4 var(--ir-font); padding: 0; }
.wc-task label { position: relative; display: block; cursor: pointer; }
.wc-task input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.wc-task label > span { display: block; height: 100%; box-sizing: border-box; padding: 12px 14px; border: 2px solid var(--ir-line); background: #fff; font-size: 14px; line-height: 1.45; color: var(--ir-muted); }
.wc-task label > span strong { display: block; color: var(--ir-ink); font-size: 18px; }
.wc-task input:checked + span { border-color: var(--ir-ink); background: var(--ir-hi); color: var(--ir-ink); }
.wc-task input:focus-visible + span { outline: 3px solid var(--ir-pen); outline-offset: 2px; }
.wc-panel select, .wc-panel textarea { box-sizing: border-box; width: 100%; padding: 12px 14px; border: 2px solid var(--ir-line); border-radius: 0; background: #fff; color: var(--ir-ink); font: 400 16px/1.6 var(--ir-font); }
.wc-panel select { margin-bottom: 12px; }
.wc-panel textarea { resize: vertical; }
#wc-essay { min-height: 360px; font: 400 17px/1.75 Georgia, "Times New Roman", serif; }
.wc-panel textarea::placeholder { font-family: var(--ir-font); color: #7a7264; }
.wc-panel :is(select, textarea):focus { outline: 3px solid var(--ir-pen); outline-offset: 1px; border-color: var(--ir-ink); }
.wc-prompt-text { margin: 0 0 6px; padding: 14px 16px; border-left: 4px solid var(--ir-ink); background: #f6f1e6; }
.wc-prompt-text p { margin: 0; font-weight: 500; }
.wc-prompt-text pre { margin: 12px 0 0; white-space: pre-wrap; font: 400 14px/1.6 ui-monospace, Consolas, monospace; color: var(--ir-text); }
#wc-question { margin-bottom: 6px; }
.wc-label { margin-top: 22px; }
.wc-hint { margin: 8px 0 0; color: var(--ir-muted); font: 400 14px/1.6 var(--ir-font); }
.wc-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 18px; margin: 10px 0 18px; color: var(--ir-muted); font: 400 14px/1.5 var(--ir-font); }
#wc-words { font-weight: 600; color: var(--ir-exercise); }
#wc-words.wc-enough { color: var(--ir-done); }
.wc-timer { display: inline-flex; gap: 10px; align-items: baseline; }
.wc-timer output { font: 600 15px/1 ui-monospace, Consolas, monospace; color: var(--ir-ink); }
.wc-page .text-link { background: none; border: 0; padding: 0; color: var(--ir-pen); font: 600 15px/1.5 var(--ir-font); text-decoration: underline; cursor: pointer; }
.wc-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.wc-actions .btn { white-space: normal; }
.wc-page .btn:disabled { opacity: .55; cursor: wait; }
.wc-status { min-height: 1.5em; margin: 14px 0 0; color: var(--ir-ink); font: 500 15px/1.6 var(--ir-font); }
.wc-status.wc-error { color: #9b2c1b; }

.wc-revising { margin: 0 0 12px; padding: 14px 16px; background: var(--ir-done-soft); border: 1px solid #9fc8ad; }
.wc-revising > p { margin: 0 0 10px; font-weight: 600; color: var(--ir-done); }
.wc-checklist { list-style: none; margin: 0 0 10px; padding: 0; display: grid; gap: 6px; max-height: 260px; overflow: auto; }
.wc-checklist li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 8px; font-size: 14px; line-height: 1.5; }
.wc-box-mark { flex: 0 0 16px; height: 16px; border: 2px solid var(--ir-done); background: #fff; align-self: center; }
.wc-checklist li.wc-done .wc-box-mark { background: var(--ir-done) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3 3 7-7' fill='none' stroke='white' stroke-width='2.4'/%3E%3C/svg%3E") center/12px no-repeat; }
.wc-checklist li.wc-done { opacity: .6; }
.wc-checklist del, .wc-issue-row del, .wc-detail del { color: #8a2d1c; text-decoration-thickness: 2px; }
.wc-checklist ins, .wc-issue-row ins, .wc-detail ins { color: var(--ir-done); text-decoration: none; font-weight: 600; }
.wc-arrow { color: var(--ir-muted); }

.wc-history { position: sticky; top: 16px; }
.wc-chains { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.wc-chains > li { padding-bottom: 14px; border-bottom: 1px solid var(--ir-line); }
.wc-chain-head { display: flex; gap: 8px; align-items: baseline; margin: 0 0 8px; font-size: 14px; line-height: 1.45; }
.wc-chain-q { color: var(--ir-muted); }
.wc-drafts { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.wc-draft { display: grid; gap: 2px; min-width: 58px; padding: 6px 10px; border: 2px solid var(--ir-line); background: #fff; color: var(--ir-ink); text-align: left; cursor: pointer; font-family: var(--ir-font); }
.wc-draft small { font-size: 11px; color: var(--ir-muted); }
.wc-draft strong { font-size: 18px; line-height: 1.1; }
.wc-draft.wc-current { border-color: var(--ir-ink); background: var(--ir-hi); }
.wc-draft:disabled { cursor: default; opacity: .7; }
.wc-chip { display: inline-block; padding: 2px 8px; background: var(--ir-ink); color: var(--ir-on-ink); font: 600 12px/1.6 var(--ir-font); white-space: nowrap; }

.wc-paywall { background: var(--ir-ink); color: var(--ir-on-ink); padding-block: clamp(28px, 4vw, 48px); font: 400 17px/1.6 var(--ir-font); }
.wc-paywall h2 { margin: 0 0 10px; color: var(--ir-on-ink); font-size: clamp(26px, 3vw, 36px); }
.wc-paywall p:not(.ielts-kicker) { max-width: 40em; margin: 0 0 20px; color: var(--ir-on-ink-muted); }

.wc-result { padding-block: clamp(28px, 4vw, 56px); background: var(--ir-paper); color: var(--ir-text); font: 400 16px/1.65 var(--ir-font); outline: none; }
.wc-score { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 22px 32px; align-items: center; margin-bottom: 28px; }
.wc-band { --wc-fill: .5; display: grid; place-items: center; align-content: center; width: 150px; height: 150px; border-radius: 50%; text-align: center;
  background: radial-gradient(closest-side, var(--ir-card) 78%, transparent 80% 100%), conic-gradient(var(--ir-ink) calc(var(--wc-fill) * 360deg), var(--ir-track) 0); }
.wc-band strong { font: 700 46px/1 var(--ir-font); color: var(--ir-ink); }
.wc-band span { font: 600 13px/1.3 var(--ir-font); color: var(--ir-ink); }
.wc-band small { font: 400 12px/1.3 var(--ir-font); color: var(--ir-muted); }
.wc-score h2 { margin: 0 0 6px; font-size: clamp(22px, 2.4vw, 30px); color: var(--ir-ink); }
.wc-score-text p { margin: 0 0 8px; max-width: 46em; }
.wc-progress { display: inline-block; padding: 6px 12px; background: var(--ir-track); font-weight: 600; color: var(--ir-ink); }
.wc-progress.wc-up { background: var(--ir-done); color: #fff; }
.wc-warning { padding: 8px 12px; border-left: 4px solid var(--ir-exercise); background: #fbeee4; color: #7a2b0f; }
.wc-criteria { list-style: none; margin: 0 0 32px; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.wc-criterion { background: var(--ir-card); border: 2px solid var(--ir-ink); padding: 16px 18px; min-width: 0; }
.wc-criterion-head { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 10px; }
.wc-criterion h3 { flex: 1 1 100%; margin: 0; font-size: 15px; line-height: 1.35; color: var(--ir-muted); }
.wc-criterion-head strong { font: 700 34px/1.1 var(--ir-font); color: var(--ir-ink); }
.wc-delta { font: 600 13px/1 var(--ir-font); color: #9b2c1b; }
.wc-delta.wc-up { color: var(--ir-done); }
.wc-meter { --wc-fill: .5; display: block; height: 6px; margin: 8px 0 12px; background: linear-gradient(90deg, var(--ir-ink) calc(var(--wc-fill) * 100%), var(--ir-track) 0); }
.wc-criterion p { margin: 0 0 8px; font-size: 15px; }
.wc-next-band { padding-top: 8px; border-top: 1px solid var(--ir-line); }

.wc-marked-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 340px); gap: var(--wc-gap); align-items: start; margin-bottom: 28px; }
.wc-marked-wrap { background: var(--ir-card); border: 2px solid var(--ir-ink); padding: clamp(18px, 3vw, 32px); min-width: 0; }
.wc-marked-wrap h2 { margin: 0; font-size: clamp(20px, 2vw, 26px); color: var(--ir-ink); }
.wc-legend { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 18px; padding: 0; }
.wc-legend li { padding: 2px 10px; font: 600 13px/1.6 var(--ir-font); border-bottom: 3px solid var(--wc-c); background: var(--wc-bg); color: var(--ir-ink); }
.wc-marked { white-space: pre-wrap; overflow-wrap: anywhere; font: 400 18px/1.9 Georgia, "Times New Roman", serif; color: var(--ir-ink); }
.wc-mark { padding: 1px 1px 0; border-bottom: 3px solid var(--wc-c); background: var(--wc-bg); color: inherit; cursor: pointer; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.wc-mark.wc-major { border-bottom-style: double; border-bottom-width: 4px; }
.wc-mark:hover, .wc-mark.wc-active { background: var(--ir-hi); outline: 2px solid var(--ir-ink); }
.wc-mark:focus-visible { outline: 3px solid var(--ir-pen); }
.wc-cat-grammar { --wc-c: #c2361f; --wc-bg: #fbe4de; }
.wc-cat-vocabulary { --wc-c: #3524d6; --wc-bg: #e6e3fb; }
.wc-cat-spelling { --wc-c: #8b2a8f; --wc-bg: #f5e2f4; }
.wc-cat-punctuation { --wc-c: #5b5448; --wc-bg: #ebe6dc; }
.wc-cat-cohesion { --wc-c: #0f6b6e; --wc-bg: #dcf0f0; }
.wc-cat-task { --wc-c: #9a3412; --wc-bg: #fbe9d8; }
.wc-cat-style { --wc-c: #5d6b12; --wc-bg: #eef2d6; }
.wc-chip[class*="wc-cat-"] { background: var(--wc-c); color: #fff; }

.wc-detail { position: sticky; top: 16px; background: var(--ir-card); border: 2px solid var(--ir-ink); padding: 18px 20px; min-height: 120px; font-size: 15px; }
.wc-detail-top { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; margin: 0 0 12px; padding-right: 24px; }
.wc-sev { font: 600 12px/1.6 var(--ir-font); color: var(--ir-muted); }
.wc-sev-major { color: #9b2c1b; }
.wc-detail-crit { font-size: 13px; color: var(--ir-muted); }
.wc-detail del { display: block; font: 400 17px/1.6 Georgia, serif; }
.wc-fix { margin: 8px 0 12px; }
.wc-fix ins { display: block; font: 600 17px/1.6 Georgia, serif; }
.wc-pair-label { display: block; font: 600 12px/1.6 var(--ir-font); color: var(--ir-muted); text-transform: uppercase; letter-spacing: .04em; }
.wc-lesson { display: block; margin-top: 12px; padding: 10px 12px; border: 2px solid var(--ir-ink); color: var(--ir-ink); text-decoration: none; font-weight: 600; }
.wc-lesson:hover { background: var(--ir-hi); }
.wc-detail-close { display: none; position: absolute; top: 8px; right: 10px; border: 0; background: none; font: 600 24px/1 var(--ir-font); color: var(--ir-ink); cursor: pointer; }

.wc-columns { display: grid; grid-template-columns: 1fr 1fr; gap: var(--wc-gap); margin-bottom: var(--wc-gap); }
.wc-box { background: var(--ir-card); border: 2px solid var(--ir-ink); padding: 18px 22px; min-width: 0; }
.wc-box h3 { margin: 0 0 10px; font-size: 19px; color: var(--ir-ink); }
.wc-box :is(ol, ul) { margin: 0; padding-left: 22px; }
.wc-box li { margin-bottom: 6px; }
.wc-upgrade { margin-bottom: var(--wc-gap); }
.wc-upgrade-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.wc-upgrade-pair > div { padding: 12px 14px; background: #f6f1e6; }
.wc-upgrade-pair > div + div { background: var(--ir-done-soft); }
.wc-upgrade-pair p:not(.wc-pair-label) { margin: 0; font: 400 16px/1.75 Georgia, serif; color: var(--ir-ink); }
#wc-upgrade-why { margin: 12px 0 0; }
.wc-issue-list ol { list-style: none; padding: 0; display: grid; gap: 4px; }
.wc-issue-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; width: 100%; padding: 8px 6px; border: 0; border-bottom: 1px solid var(--ir-line); background: none; text-align: left; font: 400 15px/1.5 var(--ir-font); color: var(--ir-text); cursor: pointer; }
.wc-issue-row:hover { background: #f6f1e6; }
.wc-next { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; margin-top: 24px; }
.wc-foot { padding-block: 4px; }
.wc-page .disclaimer { margin: 20px 0; color: var(--ir-muted); font: 400 13px/1.6 var(--ir-font); }

@media (max-width: 1000px) {
  .wc-hero-inner, .wc-grid, .wc-marked-layout { grid-template-columns: minmax(0, 1fr); }
  .wc-history { position: static; }
  .wc-criteria { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  /* On phones the selected mistake opens as a sheet along the bottom of the screen. */
  .wc-detail { position: fixed; left: 0; right: 0; bottom: 0; top: auto; z-index: 30; max-height: 55vh; overflow: auto; min-height: 0;
    border-width: 2px 0 0; box-shadow: 0 -8px 24px rgba(21, 19, 15, .18); transform: translateY(110%); transition: transform .2s; }
  .wc-detail.wc-detail-open { transform: none; }
  .wc-detail-close { display: block; }
}
@media (max-width: 640px) {
  .wc-task { grid-template-columns: 1fr; }
  .wc-score { grid-template-columns: minmax(0, 1fr); justify-items: start; }
  .wc-band { width: 120px; height: 120px; }
  .wc-band strong { font-size: 38px; }
  .wc-criteria, .wc-columns, .wc-upgrade-pair { grid-template-columns: minmax(0, 1fr); }
  .wc-marked { font-size: 17px; }
}
@media (prefers-reduced-motion: reduce) { .wc-detail { transition: none; } }