/* IELTS Speaking exam room (/study/ielts/speaking-room). Square like the rest of Study; uses the IELTS roadmap tokens.
 * Mistake marks are a tinted background plus a coloured underline, so a mark never relies on hue alone
 * (the category is also written in the detail card). Mobile first: nothing may be wider than the screen. */
.sr-page { --sr-gap: clamp(16px, 2.6vw, 28px); }
.sr-page :is(h1, h2, h3) { font-family: var(--ir-font); letter-spacing: normal; text-transform: none; }
.sr-hero-inner { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; padding-block: clamp(28px, 5vw, 64px); }
.sr-allowance { margin: 20px 0 0; color: var(--ir-hi); font: 600 16px/1.5 var(--ir-font); min-height: 1.5em; }
.sr-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.sr-steps li { display: flex; align-items: center; gap: 14px; padding: 12px 14px; border: 1px solid #4a453b; color: var(--ir-on-ink); font: 500 15px/1.4 var(--ir-font); }
.sr-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); }

.sr-work { padding-block: clamp(24px, 4vw, 52px); }
.sr-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--sr-gap); align-items: start; }
.sr-panel { background: var(--ir-card); border: 2px solid var(--ir-ink); padding: clamp(16px, 3vw, 32px); color: var(--ir-text); font: 400 16px/1.6 var(--ir-font); min-width: 0; }
.sr-panel h2 { margin: 0 0 12px; font-size: 20px; line-height: 1.3; color: var(--ir-ink); }
.sr-room { outline: none; }
.sr-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; text-align: left; }
.sr-page .btn { white-space: normal; }
.sr-page .btn:disabled { opacity: .55; cursor: wait; }
.sr-hint { margin: 12px 0 0; color: var(--ir-muted); font: 400 14px/1.6 var(--ir-font); }
.sr-label { display: block; margin: 12px 0 6px; color: var(--ir-ink); font: 600 15px/1.4 var(--ir-font); }
.sr-pair-label { display: block; font: 600 12px/1.6 var(--ir-font); color: var(--ir-muted); text-transform: uppercase; letter-spacing: .04em; }

/* Progress: one square per question, grouped by part. */
.sr-track { list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 0 0 18px; padding: 0; }
.sr-track[hidden] { display: none; }
.sr-track-part { margin-left: 8px; color: var(--ir-muted); font: 600 12px/1 var(--ir-font); text-transform: uppercase; letter-spacing: .04em; }
.sr-track-part:first-child { margin-left: 0; }
.sr-track-q { width: 16px; height: 16px; border: 2px solid var(--ir-ink); background: #fff; }
.sr-track-q.sr-done { background: var(--ir-done); border-color: var(--ir-done); }
.sr-track-q.sr-now { background: var(--ir-hi); }

.sr-examiner { display: flex; align-items: center; gap: 14px; padding: 14px; background: var(--ir-ink); color: var(--ir-on-ink); }
.sr-avatar { display: grid; place-items: center; flex: 0 0 48px; height: 48px; background: var(--ir-hi); color: var(--ir-ink); font: 700 22px/1 var(--ir-font); }
.sr-examiner-text { min-width: 0; flex: 1 1 auto; }
.sr-examiner-name { margin: 0; font: 700 16px/1.3 var(--ir-font); }
.sr-state { margin: 2px 0 0; min-height: 1.4em; color: var(--ir-on-ink-muted); font: 400 14px/1.4 var(--ir-font); }
.sr-bars { display: inline-flex; align-items: flex-end; gap: 3px; height: 24px; flex: 0 0 auto; }
.sr-bars i { width: 4px; height: 6px; background: var(--ir-hi); }
.sr-bars.sr-on i { animation: sr-bar .9s ease-in-out infinite; }
.sr-bars.sr-on i:nth-child(2) { animation-delay: .15s; } .sr-bars.sr-on i:nth-child(3) { animation-delay: .3s; }
.sr-bars.sr-on i:nth-child(4) { animation-delay: .45s; } .sr-bars.sr-on i:nth-child(5) { animation-delay: .6s; }
@keyframes sr-bar { 0%, 100% { height: 6px; } 50% { height: 22px; } }

.sr-part-label { margin: 18px 0 4px; color: var(--ir-muted); font: 600 13px/1.4 var(--ir-font); text-transform: uppercase; letter-spacing: .04em; min-height: 1.4em; }
.sr-question { margin: 0; color: var(--ir-ink); font: 600 clamp(20px, 2.6vw, 26px)/1.4 var(--ir-font); overflow-wrap: anywhere; }
.sr-question[hidden] { display: none; }
.sr-question-tools { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 18px; margin: 10px 0 0; }
.sr-toggle { display: inline-flex; align-items: center; gap: 8px; color: var(--ir-muted); font: 400 14px/1.4 var(--ir-font); cursor: pointer; }
.sr-toggle input { width: 18px; height: 18px; accent-color: var(--ir-ink); margin: 0; }

.sr-card { margin: 16px 0 0; padding: 16px 18px; border: 2px solid var(--ir-ink); background: #f6f1e6; }
.sr-card-kicker { margin: 0 0 6px; font: 600 12px/1.6 var(--ir-font); color: var(--ir-muted); text-transform: uppercase; letter-spacing: .04em; }
.sr-card-prompt { margin: 0 0 8px; color: var(--ir-ink); font: 700 19px/1.45 var(--ir-font); }
.sr-card-say { margin: 0; font-weight: 600; }
.sr-card ul { margin: 4px 0 8px; padding-left: 22px; }
.sr-card-explain { margin: 0; }
.sr-prep { margin: 14px 0 0; }
.sr-prep-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; margin: 0; font: 500 15px/1.5 var(--ir-font); }
.sr-prep-head output { font: 700 32px/1 ui-monospace, Consolas, monospace; color: var(--ir-ink); }
.sr-prep textarea { box-sizing: border-box; width: 100%; padding: 10px 12px; border: 2px solid var(--ir-line); border-radius: 0; background: #fff; color: var(--ir-ink); font: 400 16px/1.6 var(--ir-font); resize: vertical; }
.sr-prep textarea:focus { outline: 3px solid var(--ir-pen); outline-offset: 1px; border-color: var(--ir-ink); }

.sr-recorder { margin: 16px 0 0; padding: 14px 16px; border: 2px solid #9b2c1b; background: #fbe9e4; }
.sr-rec-row { display: flex; align-items: center; gap: 12px; }
.sr-rec-dot { flex: 0 0 14px; height: 14px; border-radius: 50%; background: #c2361f; animation: sr-blink 1.2s steps(2) infinite; }
@keyframes sr-blink { 50% { opacity: .25; } }
.sr-time { font: 700 22px/1 ui-monospace, Consolas, monospace; color: var(--ir-ink); }
.sr-level { flex: 1 1 auto; height: 8px; background: #f1d3cb; overflow: hidden; }
.sr-level i { display: block; height: 100%; background: #c2361f; transform-origin: left; transform: scaleX(0); }
.sr-rec-hint { margin: 10px 0 0; font: 400 14px/1.5 var(--ir-font); color: #6e2414; }
.sr-take { margin: 16px 0 0; }
.sr-take audio, .sr-answer audio { display: block; width: 100%; max-width: 480px; height: 40px; }

.sr-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin: 18px 0 0; }
.sr-actions:empty { display: none; }
.sr-status { min-height: 1.5em; margin: 14px 0 0; color: var(--ir-ink); font: 500 15px/1.6 var(--ir-font); }
.sr-status.sr-error { color: #9b2c1b; }

.sr-tips { margin: 0 0 22px; padding-left: 20px; font-size: 15px; }
.sr-tips li { margin-bottom: 8px; }
.sr-history { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.sr-history-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%; padding: 8px 12px; border: 2px solid var(--ir-line); background: #fff; color: var(--ir-ink); text-align: left; cursor: pointer; font-family: var(--ir-font); }
.sr-history-item.sr-current { border-color: var(--ir-ink); background: var(--ir-hi); }
.sr-history-item:disabled { cursor: default; opacity: .7; }
.sr-history-text { display: grid; min-width: 0; font-size: 15px; line-height: 1.35; }
.sr-history-text small { color: var(--ir-muted); font-size: 12px; overflow-wrap: anywhere; }
.sr-history-item strong { font-size: 18px; white-space: nowrap; }

.sr-paywall { background: var(--ir-ink); color: var(--ir-on-ink); padding-block: clamp(28px, 4vw, 48px); font: 400 17px/1.6 var(--ir-font); }
.sr-paywall h2 { margin: 0 0 10px; color: var(--ir-on-ink); font-size: clamp(24px, 3vw, 36px); }
.sr-paywall p:not(.ielts-kicker) { max-width: 40em; margin: 0 0 20px; color: var(--ir-on-ink-muted); }

/* Results */
.sr-result { padding-block: clamp(24px, 4vw, 56px); background: var(--ir-paper); color: var(--ir-text); font: 400 16px/1.65 var(--ir-font); outline: none; }
.sr-score { display: grid; grid-template-columns: minmax(0, 1fr); justify-items: start; gap: 18px 32px; align-items: center; margin-bottom: 24px; }
.sr-band { --sr-fill: .5; display: grid; place-items: center; align-content: center; width: 124px; height: 124px; 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(--sr-fill) * 360deg), var(--ir-track) 0); }
.sr-band strong { font: 700 40px/1 var(--ir-font); color: var(--ir-ink); }
.sr-band span { font: 600 13px/1.3 var(--ir-font); color: var(--ir-ink); }
.sr-band small { font: 400 12px/1.3 var(--ir-font); color: var(--ir-muted); }
.sr-score h2 { margin: 0 0 4px; font-size: clamp(22px, 2.4vw, 30px); color: var(--ir-ink); }
.sr-score-text p { margin: 0 0 8px; max-width: 46em; }
.sr-basis { color: var(--ir-muted); font-size: 14px; }
.sr-progress { display: inline-block; padding: 6px 12px; background: var(--ir-track); font-weight: 600; color: var(--ir-ink); }
.sr-progress.sr-up { background: var(--ir-done); color: #fff; }
.sr-criteria { list-style: none; margin: 0 0 var(--sr-gap); padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.sr-criterion { background: var(--ir-card); border: 2px solid var(--ir-ink); padding: 16px 18px; min-width: 0; }
.sr-criterion-head { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 10px; }
.sr-criterion h3 { flex: 1 1 100%; margin: 0; font-size: 15px; line-height: 1.35; color: var(--ir-muted); }
.sr-criterion-head strong { font: 700 34px/1.1 var(--ir-font); color: var(--ir-ink); }
.sr-delta { font: 600 13px/1 var(--ir-font); color: #9b2c1b; }
.sr-delta.sr-up { color: var(--ir-done); }
.sr-not { padding: 2px 8px; background: var(--ir-track); color: var(--ir-ink); font: 600 12px/1.6 var(--ir-font); }
.sr-pron { border-style: dashed; background: #f6f1e6; }
.sr-meter { --sr-fill: .5; display: block; height: 6px; margin: 8px 0 12px; background: linear-gradient(90deg, var(--ir-ink) calc(var(--sr-fill) * 100%), var(--ir-track) 0); }
.sr-criterion p { margin: 0 0 8px; font-size: 15px; }
.sr-evidence { margin: 0 0 8px; padding-left: 18px; font-size: 14px; }
.sr-next-band { padding-top: 8px; border-top: 1px solid var(--ir-line); }
.sr-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.sr-chip { display: inline-block; padding: 2px 8px; background: var(--ir-ink); color: var(--ir-on-ink); font: 600 12px/1.6 var(--ir-font); }
.sr-chip-warn { background: var(--ir-exercise); }

.sr-box { background: var(--ir-card); border: 2px solid var(--ir-ink); padding: 18px 20px; margin-bottom: var(--sr-gap); min-width: 0; }
.sr-box h3 { margin: 0 0 6px; font-size: 19px; color: var(--ir-ink); }
.sr-box .sr-hint { margin: 0 0 12px; }
.sr-tiles { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.sr-tile { display: grid; gap: 2px; padding: 10px 12px; background: #f6f1e6; min-width: 0; }
.sr-tile strong { font: 700 28px/1.1 var(--ir-font); color: var(--ir-ink); }
.sr-tile small { color: var(--ir-muted); font-size: 13px; line-height: 1.4; }
.sr-priorities { margin: 0; padding-left: 22px; }
.sr-priorities li { margin-bottom: 10px; }
.sr-priorities p { margin: 2px 0 0; }

.sr-answers-title { margin: 8px 0 4px; font-size: clamp(20px, 2.2vw, 26px); color: var(--ir-ink); }
.sr-answers { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: var(--sr-gap); }
.sr-answer { background: var(--ir-card); border: 2px solid var(--ir-ink); padding: clamp(16px, 3vw, 26px); min-width: 0; }
.sr-answer h3 { margin: 0 0 12px; font-size: 18px; line-height: 1.4; color: var(--ir-ink); }
.sr-signal-line { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0; }
.sr-signal-line .sr-chip { background: var(--ir-track); color: var(--ir-ink); }
.sr-signal-line .sr-chip-warn { background: var(--ir-exercise); color: #fff; }
.sr-answer-comment { margin: 0 0 10px; }
.sr-marked { margin: 0; padding: 12px 14px; background: #fff; border-left: 4px solid var(--ir-line); white-space: pre-wrap; overflow-wrap: anywhere; font: 400 17px/1.85 Georgia, "Times New Roman", serif; color: var(--ir-ink); }
.sr-mark { padding: 1px 1px 0; border-bottom: 3px solid var(--sr-c); background: var(--sr-bg); color: inherit; cursor: pointer; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.sr-mark:hover, .sr-mark.sr-active { background: var(--ir-hi); outline: 2px solid var(--ir-ink); }
.sr-mark:focus-visible { outline: 3px solid var(--ir-pen); }
.sr-cat-grammar { --sr-c: #c2361f; --sr-bg: #fbe4de; }
.sr-cat-vocabulary { --sr-c: #3524d6; --sr-bg: #e6e3fb; }
.sr-cat-collocation { --sr-c: #8b2a8f; --sr-bg: #f5e2f4; }
.sr-cat-word_form { --sr-c: #5d6b12; --sr-bg: #eef2d6; }
.sr-cat-coherence { --sr-c: #0f6b6e; --sr-bg: #dcf0f0; }
.sr-cat-fluency { --sr-c: #9a3412; --sr-bg: #fbe9d8; }
.sr-chip[class*="sr-cat-"] { background: var(--sr-c); color: #fff; }
.sr-detail { margin: 10px 0 0; padding: 12px 14px; border: 2px solid var(--ir-ink); background: var(--ir-card); font-size: 15px; }
.sr-detail[hidden] { display: none; }
.sr-detail-top { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; margin: 0 0 8px; }
.sr-detail-crit { font-size: 13px; color: var(--ir-muted); }
.sr-detail del { display: block; color: #8a2d1c; text-decoration-thickness: 2px; font: 400 17px/1.6 Georgia, serif; }
.sr-fix { margin: 8px 0; }
.sr-fix ins { display: block; color: var(--ir-done); text-decoration: none; font: 600 17px/1.6 Georgia, serif; }
.sr-detail p { margin: 0 0 6px; }
.sr-model { margin: 14px 0 0; padding: 12px 14px; background: var(--ir-done-soft); }
.sr-model-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.sr-model p { margin: 6px 0; font: 400 16px/1.75 Georgia, serif; color: var(--ir-ink); }
.sr-model small { color: var(--ir-muted); font-size: 13px; }
.sr-listen { flex: 0 0 auto; }
.sr-next { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 24px; }
.sr-foot { padding-block: 4px; }
.sr-page .disclaimer { margin: 16px 0; color: var(--ir-muted); font: 400 13px/1.6 var(--ir-font); }

@media (min-width: 641px) {
  .sr-score { grid-template-columns: auto minmax(0, 1fr); }
  .sr-band { width: 150px; height: 150px; }
  .sr-band strong { font-size: 46px; }
  .sr-criteria { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sr-tiles { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 1001px) {
  .sr-hero-inner { grid-template-columns: minmax(0, 1.4fr) minmax(260px, .8fr); gap: 28px 56px; align-items: end; }
  .sr-grid { grid-template-columns: minmax(0, 1fr) minmax(260px, 340px); }
  .sr-side { position: sticky; top: 16px; }
  .sr-criteria { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .sr-tiles { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
  .sr-bars.sr-on i, .sr-rec-dot { animation: none; }
}