/* Standalone live review. Historical class names are kept for compatibility; lab styles are independent. */
.review-session.review-calm{display:flex;flex-direction:column;gap:12px;max-width:680px;margin:0 auto;min-height:0;padding:0 8px 24px;background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden}
.review-calm .calm-session-head{display:flex;align-items:center;gap:12px;min-height:58px;padding:6px 12px;border-bottom:1px solid var(--line);font-size:12px}.calm-session-head>span{flex:1}.calm-session-head small{display:block;font-size:10px;color:var(--muted)}.calm-session-head button{min-height:44px}.review-calm .review-prompt{background:transparent;text-align:left;padding:12px 14px}.review-calm .review-prompt .jp{font-size:44px;line-height:1.2}.review-calm .review-prompt .english{font-size:32px;line-height:1.25}.review-calm .context-prompt .jp{font-size:30px}.calm-question-label{display:block;font-size:10px;letter-spacing:.1em;color:var(--muted);margin-bottom:12px}.review-calm>.word-context{margin:0;padding:8px 14px 0;font-size:12px}.review-calm>.typed-answer,.review-calm>.hard-meaning-search,.review-calm>.drawing-answer,.review-calm>.option-grid{margin:0 12px}.review-calm>.option-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.review-calm>.option-grid .option{min-height:60px;border-radius:12px;background:var(--surface);font-size:16px}.review-calm>.option-grid .jp{font-size:24px}.review-calm .distractor-source{display:none}.review-calm .review-bottom,.review-calm .review-bottom.wrong{border:0;background:transparent;padding:0 12px;display:flex;flex-direction:column;gap:14px;min-width:0}.review-calm .calm-result-action{display:flex;align-items:center;gap:9px;padding:10px 0;border-top:1px solid var(--line)}.calm-result-action .calm-companion{width:36px;height:36px;flex-shrink:0;margin:0}.calm-result-action>div{flex:1;min-width:0}.calm-result-action strong{display:block;font-size:13px;line-height:1.4}.calm-result-action small{display:block;font-size:10px;color:var(--muted);line-height:1.5}.calm-result-action .button{min-height:44px;flex-shrink:0;padding:10px 14px;font-size:12px;border-radius:10px}.calm-rewards{display:grid;gap:10px}.calm-elo{position:relative;isolation:isolate;contain:paint;overflow:hidden;border:1px solid var(--line);border-radius:14px;padding:10px 12px;background:color-mix(in srgb,var(--calm-rank) 6%,var(--surface))}.calm-elo-main{display:flex;gap:12px;align-items:center;position:relative}.calm-ring{width:66px;height:66px;position:relative;flex-shrink:0}.calm-ring>svg{width:100%;height:100%;transform:rotate(-90deg)}.calm-ring circle{fill:none;stroke-width:3;stroke-linecap:round}.calm-track{stroke:var(--line)}.calm-fill{stroke:var(--calm-rank)}.calm-ring>span{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}.calm-ring strong{font-size:17px;line-height:1.1}.calm-ring small{font-size:8px;line-height:1.1;color:var(--muted)}.calm-reward-side{flex:1;min-width:0}.calm-reward-heading{display:flex;align-items:center;justify-content:space-between;gap:8px}.calm-reward-heading strong{font-size:12px;color:var(--calm-rank)}.calm-reward-heading small{display:block;font-size:9px;color:var(--muted)}.calm-delta{text-align:center}.calm-delta b{font-size:17px;line-height:1.2}.calm-reward-side dl{display:flex;gap:8px;margin:6px 0 0}.calm-reward-side dl>div{flex:1;min-width:0}.calm-reward-side dt{font-size:9px;color:var(--muted)}.calm-reward-side dd{font-size:10px;margin:1px 0 0}.calm-rank-transition{font-size:10px;color:var(--calm-rank);margin-top:6px}.calm-reward-details{position:relative;margin-top:4px;font-size:10px;color:var(--muted)}.calm-reward-details summary{cursor:pointer;min-height:32px;display:flex;align-items:center}.calm-reward-details p{margin:0;font-size:11px}.calm-rank-sweep{position:absolute;inset:0;pointer-events:none;opacity:0;background:linear-gradient(130deg,transparent 35%,color-mix(in srgb,var(--calm-rank) 30%,transparent) 36%,transparent 38%,transparent 42%,color-mix(in srgb,var(--calm-rank) 22%,transparent) 43%,transparent 45%)}.calm-rank-up .calm-rank-sweep{animation:calm-rank-sweep .9s ease-out}.calm-rank-up .calm-ring{animation:calm-ring-pulse .9s ease-out}@keyframes calm-rank-sweep{0%{opacity:0;transform:translateX(-40%)}30%{opacity:1}100%{opacity:0;transform:translateX(60%)}}@keyframes calm-ring-pulse{0%{transform:scale(.94)}38%{transform:scale(1.04)}100%{transform:scale(1)}}
.review-calm .answer-comparison{gap:10px;margin:0}.review-calm .answer-comparison>div{border:1px solid color-mix(in srgb,var(--error) 28%,var(--line));border-radius:12px;background:color-mix(in srgb,var(--error) 4%,var(--surface));padding:12px}.review-calm .answer-comparison>div:last-child{border-color:color-mix(in srgb,var(--primary) 35%,var(--line));background:color-mix(in srgb,var(--primary) 4%,var(--surface))}.review-calm .answer-comparison strong{font-size:28px}.review-calm .answer-comparison small{font-size:11px;line-height:1.5}.review-calm .solution-box{background:transparent;padding:0}.review-calm .typing-alignment{padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--surface-2);margin:0}.review-calm .typing-alignment>div{font-size:22px}.review-calm .typing-alignment small{font-size:10px}.review-calm .result-details{margin:0}.review-calm .result-row{margin:0}.review-calm .result-ratings{font-size:11px}.review-calm .retype-answer input{width:100%;min-height:48px}.review-calm .typed-answer input{min-width:0;width:100%;font-size:20px}.review-calm .drawing-answer canvas{max-width:100%;touch-action:none}
@media(max-width:450px){.review-session.review-calm{padding:0 2px 18px;border-radius:16px}.review-calm>.option-grid{gap:8px}.review-calm .calm-session-head{gap:6px}.calm-elo{padding:9px}.calm-elo-main{gap:9px}.calm-ring{width:62px;height:62px}.calm-result-action .button{padding:10px}.review-calm .review-bottom{padding:0 10px}}
@media(prefers-reduced-motion:reduce){.calm-rank-up *{animation:none!important;transition:none!important}}
.review-calm .answer-comparison{display:grid;grid-template-columns:1fr 1fr;gap:10px}.review-calm .answer-comparison:has(>div:only-child){grid-template-columns:1fr}.review-calm .answer-comparison>div{text-align:left;min-width:0;overflow-wrap:anywhere}.review-calm .answer-comparison strong{display:block;text-align:left;font-size:28px}.review-calm .answer-comparison>div>span{font-size:10px}.review-calm .solution-box{border:0;background:transparent;border-radius:0;font-size:12px;margin:0}.review-calm .solution-box strong{font-size:12px;font-weight:500}.review-calm .typed-confusion{display:grid;gap:8px}.review-calm .word-usage-comparison{padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--surface-2);margin:0;font-size:12px}.review-calm .word-usage-comparison .jp{font-size:20px}.review-calm .word-usage-comparison p{font-size:12px;font-weight:400;margin:5px 0}.review-calm .word-usage-comparison .eyebrow{font-size:9px}.review-calm .combo-reduced{padding:8px 10px;margin:0;font-size:11px}.review-calm .combo-reduced strong,.review-calm .combo-reduced span{font-size:11px}.review-calm .result-ratings:empty{display:none}.review-calm .result-row:has(.result-ratings:empty){display:none}.review-calm .result-details>summary{min-height:44px;font-size:12px}

/* Live result hierarchy and focused question. */
.review-calm{--result-green:#299667}
.review-calm .review-prompt{background:color-mix(in srgb,var(--primary) 6%,var(--surface));border:1px solid color-mix(in srgb,var(--primary) 25%,var(--line));border-radius:14px;margin:0 10px;padding:14px}
.review-calm .calm-result-action{--result-tone:var(--result-green);border:1px solid color-mix(in srgb,var(--result-tone) 48%,var(--line));border-radius:14px;background:color-mix(in srgb,var(--result-tone) 14%,var(--surface));padding:10px}
.review-calm .calm-result-action.result-wrong{--result-tone:var(--error)}
.review-calm .calm-result-action.result-partial{--result-tone:var(--rank-gold)}
.review-calm .answer-comparison>div{border-color:color-mix(in srgb,var(--error) 48%,var(--line));background:color-mix(in srgb,var(--error) 14%,var(--surface))}
.review-calm .answer-comparison>div:last-child{border-color:color-mix(in srgb,var(--result-green) 48%,var(--line));background:color-mix(in srgb,var(--result-green) 14%,var(--surface))}
.review-calm .review-suspend{order:10;margin-top:auto;min-height:40px;font-size:11px;align-self:center}
.review-calm:has(.review-suspend){min-height:min(760px,calc(100dvh - 160px))}
/* Fill and digit reels share the JS timeline; only decoration uses CSS animation. */
.calm-fill{stroke:var(--calm-current,var(--calm-rank))}
.calm-reward-heading [data-elo-rank]{color:var(--calm-current,var(--calm-rank))}
.calm-rank-up .calm-ring,.calm-rank-up .calm-rank-sweep{animation:none}
.calm-elo-number{display:flex;font-variant-numeric:tabular-nums;letter-spacing:0}
.elo-digit{display:block;width:.64em;height:1.2em;overflow:hidden;position:relative}
.elo-reel{display:flex;flex-direction:column;will-change:transform}
.elo-reel>span{display:block;height:1.2em;line-height:1.2;text-align:center;flex-shrink:0}
.elo-celebrating{animation:live-rank-card .9s ease-out both}
.elo-celebrating .calm-rank-sweep{animation:calm-rank-sweep .9s ease-out both}
.elo-celebrating .calm-ring{animation:calm-ring-pulse .9s ease-out both}
.elo-celebrating .calm-rank-transition{animation:live-rank-label .65s ease-out both}
@keyframes live-rank-card{0%{border-color:var(--line)}30%{background:color-mix(in srgb,var(--calm-current) 25%,var(--surface));border-color:var(--calm-current)}100%{border-color:color-mix(in srgb,var(--calm-current) 35%,var(--line))}}
@keyframes live-rank-label{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){.calm-elo,.calm-elo *{animation:none!important;transition:none!important}}

/* The advance target stays above every prompt, hint and answer across questions. */
.review-calm .calm-question-heading{display:flex;align-items:center;gap:10px;min-height:44px;margin-bottom:8px}
.review-calm .calm-question-heading .calm-question-label{flex:1;margin:0;min-width:0}
.review-calm .calm-question-heading .button{min-height:44px;flex-shrink:0;padding:10px 14px;font-size:12px;border-radius:10px}
.review-calm .review-prompt .word-context{margin:6px 0 10px;font-size:12px;text-align:left}

/* Keep the same advance target within thumb reach, clear of bottom navigation. */
@media(max-width:700px){
  .review-calm .calm-question-heading [data-next-review]{position:fixed;z-index:35;left:50%;bottom:calc(82px + env(safe-area-inset-bottom));transform:translateX(-50%);min-width:150px;min-height:52px;border-radius:999px;box-shadow:0 8px 28px #0004;border:1px solid color-mix(in srgb,var(--primary) 55%,var(--surface))}
  .review-calm:has([data-next-review]){padding-bottom:90px}
}

/* Keep submit beside the input even on a narrow phone. */
.review-session .typed-answer{grid-template-columns:minmax(0,1fr) 56px;align-items:center;column-gap:10px}
.review-session .typed-answer .review-submit{width:56px;height:56px;min-height:56px;padding:0;font-size:30px;font-weight:700;border-radius:14px;box-shadow:0 3px 8px #0002}
.review-session.review-input-session{min-height:var(--review-resting-height,min(760px,calc(100svh - 160px)))}
.review-input-session .review-suspend{flex-shrink:0}
.answer-comparison .furigana-word{line-height:1.8}
.answer-comparison .furigana-word rt{font-size:.42em}
.solution-alternatives{display:grid;gap:10px;margin-top:8px}
.solution-alternatives>.jp{font-size:20px;line-height:1.8}

.review-session:has(>.review-unknown){display:flex;flex-direction:column}
.review-session>.review-unknown{order:9;margin-top:auto;flex-shrink:0}
.review-session>.review-suspend{order:10;margin-top:0;flex-shrink:0}