/* The learner and parent journey (public/js/journey.js): the home, the
   lesson, Review and My space, the parent report and account. The shared
   system lives in app.css; this file only adds what these pages need.
   Sizes follow app.css: phone < 640, tablet 640–1023, desktop ≥ 1024. */
.boot{padding:80px;display:grid;gap:30px}
.workspace.is-public{padding-bottom:64px}
.avatar{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--support);color:var(--blue);font-size:14px;font-weight:700}

/* ---------- home ---------- */
.home-scene{position:relative;isolation:isolate;padding:28px;border-radius:22px;overflow:hidden;background:linear-gradient(145deg,#f4f7ffcc,#f8f8fa 48%,#effaf8cc)}
.home-scene-content{position:relative;z-index:2}
.home-scene .feature,.home-scene .panel,.home-scene .next-badge{box-shadow:0 18px 54px rgba(15,23,42,.045)}.home-scene .feature{background:#fffffffa}.home-scene .panel{background:#ffffffee}
.home-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}
.feature{overflow:hidden;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
.feature-visual{position:relative;aspect-ratio:16/9;overflow:hidden;background:#e7e9ef}
.feature-visual img{display:block;width:100%;height:100%;object-fit:cover}
.video-length{position:absolute;bottom:16px;right:16px;display:flex;align-items:center;gap:7px;background:#0b1538dc;color:#fff;padding:5px 10px;border-radius:6px;font-size:12px}
.feature-body{padding:var(--pad)}.feature-body .pill-row{margin-bottom:12px}
.feature-body h2{font-size:28px;margin-bottom:10px}.feature-body>p{color:var(--muted);font-size:15px}
.feature-bottom{margin-top:22px;display:flex;justify-content:space-between;align-items:center;gap:15px;flex-wrap:wrap}
.learning-objective{display:flex;gap:8px;font-size:13px;color:var(--muted);align-items:center}.learning-objective .icon{color:var(--green);width:18px;height:18px}
.lesson-row{display:flex;align-items:center;gap:18px;padding:16px 0;border-top:1px solid var(--line)}
.lesson-row>img{width:116px;aspect-ratio:16/10;object-fit:cover;border-radius:10px;flex-shrink:0}
.row-copy{flex:1;min-width:0}.row-copy p{font-size:13px;color:var(--muted);margin-top:4px}.lesson-row .icon{color:var(--muted)}
.home-aside{display:grid;gap:16px}
.week-strip{display:flex;justify-content:space-between;margin:16px 0 14px;gap:4px}
.week-day{display:grid;justify-items:center;gap:8px;font-size:11px;color:var(--muted)}
.day-dot{height:28px;width:28px;display:grid;place-items:center;border-radius:50%;background:#f0f2f7;font-size:11px}.day-dot.done{background:var(--green-bg);color:var(--green)}
.week-summary{font-size:13px;color:var(--muted);padding-top:14px;border-top:1px solid var(--line)}.week-summary strong{color:var(--ink)}
.next-badge{background:var(--support);padding:var(--pad);border-radius:var(--radius);display:grid;gap:8px;justify-items:start}
.next-badge img{width:88px;height:88px;object-fit:contain;justify-self:center;margin-bottom:6px}
.next-badge p{font-size:13px;color:var(--muted)}
.companion-note{display:flex;align-items:center;gap:14px;padding:0 4px}.companion-note img{height:72px;width:54px;object-fit:contain}.companion-note p{font-size:13px;color:var(--muted)}
@media(max-width:1023px){.home-scene{padding:20px}.home-layout{grid-template-columns:1fr}.home-aside{grid-template-columns:1fr 1fr}.home-aside .companion-note{grid-column:1/-1}}
@media(max-width:639px){.home-scene{padding:12px;margin:0 -4px;border-radius:18px}.feature-visual{aspect-ratio:16/10}.feature-body h2{font-size:23px}.feature-bottom{flex-direction:column;align-items:stretch}.feature-bottom .button{width:100%}.home-aside{grid-template-columns:1fr}.home-aside .companion-note{display:none}.lesson-row{gap:12px}.lesson-row>img{width:92px}.lesson-row h3{font-size:15px}}

/* ---------- lesson ---------- */
.course-page{max-width:1100px}
.course-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}
.course-heading h1{max-width:740px}.course-heading p{font-size:var(--t-small);color:var(--muted);margin-top:8px}
.course-heading>img{width:66px;height:88px;object-fit:contain;flex-shrink:0}
.stepper{display:flex;list-style:none;padding:0;margin:0 0 24px;gap:8px}.stepper li{flex:1;min-width:0}
.stepper button{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;background:none;border:0;border-bottom:3px solid var(--line);padding:12px 4px;color:var(--muted);font-size:14px;white-space:nowrap}
.stepper .step-no{width:24px;height:24px;background:#e8eaf0;display:grid;place-items:center;border-radius:50%;font-size:12px;flex-shrink:0}
.stepper [aria-current=step]{color:var(--blue);border-color:var(--blue);font-weight:600}.stepper [aria-current=step] .step-no{background:var(--blue);color:#fff}
.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px;align-items:start}
.lesson-main{min-width:0}.lesson-aside{font-size:var(--t-small)}.lesson-aside h3{margin-bottom:12px}.lesson-aside ul{padding-left:18px;margin-top:12px}.lesson-aside li{margin-bottom:10px;color:var(--muted)}
.prompt-bar{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px;font-weight:500;line-height:1.5}.prompt-bar .icon{color:var(--blue);margin-top:3px}
.video-frame{background:var(--ink);border-radius:var(--radius);overflow:hidden}
.video-stage{position:relative;aspect-ratio:16/9;background:#0b1538}
.video-stage video{display:block;width:100%;height:100%;object-fit:contain}
.video-frame.checkpoint-open video{opacity:.35}
.video-caption{color:#e0e6ff;display:flex;justify-content:space-between;padding:10px 16px;font-size:12px;gap:12px}
.under-video{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:var(--t-small);color:var(--muted);margin-top:12px}
.under-video .text-button{white-space:nowrap;flex-shrink:0}
.source-strip{display:flex;gap:10px;align-items:flex-start;margin-top:14px;padding:12px 14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-s);font-size:13px;color:var(--muted);line-height:1.5}
.source-strip .icon{width:18px;height:18px;margin-top:2px;color:var(--blue)}.source-strip b{color:var(--ink);font-weight:600}.source-strip a{color:var(--blue);font-weight:600}
.step-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0 0;margin-top:20px;border-top:1px solid var(--line)}
.step-footer span,.step-footer p{color:var(--muted);font-size:var(--t-small)}
.lesson-content{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.lesson-content>h2{margin-block:8px 12px}.lesson-content>p{color:var(--muted);font-size:var(--t-small);margin-top:8px}
.word-list{display:grid;margin:20px 0 4px}
.word-item{border-top:1px solid var(--line);padding:16px 0;display:flex;gap:14px;align-items:center}.word-item:first-child{border-top:0;padding-top:4px}
.word-item strong{font-size:20px}.word-item p{font-size:var(--t-small);color:var(--muted);margin-top:2px}.word-item>div{flex:1;min-width:0}
.word-item details{margin-top:8px;font-size:var(--t-small)}.word-item summary{cursor:pointer;color:var(--blue);font-weight:600}
.quiz-heading{display:flex;justify-content:space-between;gap:20px;font-size:13px;color:var(--muted);margin-bottom:16px}
.question{font-size:22px;line-height:1.45;margin-bottom:20px}
.question-options{display:grid;gap:10px}
.option{display:flex;align-items:center;gap:12px;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-s);padding:14px 16px;min-height:54px;width:100%;font-size:16px;line-height:1.4;transition:border-color .2s,background .2s}
.option:hover{border-color:var(--blue)}
.option.selected{background:var(--support);border-color:var(--blue);color:var(--blue)}
.option.correct{background:var(--green-bg);border-color:var(--green);color:var(--green)}.option.correct .option-letter{background:var(--green);color:#fff;border-color:var(--green)}
.option.wrong{background:var(--red-bg);border-color:var(--red);color:var(--red)}
.option.correct:disabled,.option.wrong:disabled{opacity:1;cursor:default}
.option-letter{display:grid;place-items:center;width:28px;height:28px;border:1px solid currentColor;border-radius:8px;flex-shrink:0;font-size:13px;font-weight:600}
.choice-diagram{width:56px;height:56px;stroke:currentColor;stroke-width:4;fill:none;flex-shrink:0}
.quiz-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:20px;flex-wrap:wrap}
.quiz-summary{margin-top:16px;padding:18px 24px}
.writing-label{display:block;font-size:var(--t-small);margin:20px 0 8px;font-weight:600}
.lesson-content textarea{display:block;width:100%;border:1px solid #aeb7c9;border-radius:var(--radius-s);padding:16px;resize:vertical;min-height:150px;background:var(--surface);color:var(--ink);line-height:1.7}
.result-header{text-align:center;padding:8px 0 24px}
.result-header img{height:110px;width:110px;object-fit:contain;margin:0 auto 14px}
.result-header h2{font-size:28px;margin-top:10px}.result-header p{font-size:var(--t-small);color:var(--muted);margin:8px auto 0}
.result-evidence{margin-top:12px;padding:20px;background:var(--support);border-radius:var(--radius-s)}
.result-evidence>span{display:block;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.result-evidence blockquote{margin:10px 0 0;padding:0;border:0;background:none;font-size:17px}
.result-status{padding:20px 0;border-bottom:1px solid var(--line)}.result-status p{font-size:var(--t-small);color:var(--muted)}
.result-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;align-items:center}
@media(max-width:1023px){.lesson-layout{grid-template-columns:1fr}.lesson-aside{display:none}.lesson-content{padding:var(--pad)}}
@media(max-width:639px){.course-heading{align-items:flex-start;margin-bottom:16px}.course-heading>img{width:48px;height:64px}.stepper{gap:4px;margin-bottom:18px}.stepper button{font-size:11px;flex-direction:column;gap:6px;padding:8px 0}.stepper .step-no{width:22px;height:22px;font-size:11px}.prompt-bar{font-size:15px}.video-frame{border-radius:12px}.video-caption{font-size:11px;padding:8px 12px}.under-video{flex-direction:column;align-items:flex-start;gap:4px}.under-video .text-button{min-height:36px;padding:4px 0}.step-footer{flex-direction:column;align-items:stretch;gap:12px}.step-footer .button{width:100%}.step-footer .text-button{justify-content:center}.question{font-size:19px}.option{padding:12px 14px;font-size:15px;gap:10px}.quiz-actions .button{width:100%}.result-header h2{font-size:24px}.result-evidence{padding:16px}.result-evidence blockquote{font-size:16px}.result-actions{flex-direction:column;align-items:stretch}.result-actions .text-button{justify-content:center}}

/* The in-lesson question: a dialog in the middle of the screen on every
   size — never a card that sits inside the video, never at the bottom. */
.video-checkpoint{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:clamp(12px,3vw,32px);background:rgba(8,17,45,.78);backdrop-filter:blur(3px);overflow:auto;overscroll-behavior:contain}
.video-checkpoint[hidden]{display:none}
.checkpoint-card{width:min(640px,100%);max-height:100%;overflow:auto;background:var(--surface);border-radius:var(--radius);padding:28px;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.checkpoint-kicker{display:block;color:var(--blue);font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}
.checkpoint-card h2{font-size:24px;line-height:1.35}.checkpoint-card h2:focus{outline:none}
.checkpoint-card>p{color:var(--muted);font-size:var(--t-small);margin:6px 0 16px}
.checkpoint-options{gap:10px}
.checkpoint-continue{margin-top:16px;width:100%}
@media(max-width:1023px){.checkpoint-card{width:min(560px,100%)}}
@media(max-width:639px){.video-checkpoint{padding:16px}.checkpoint-card{width:100%;padding:22px 18px}.checkpoint-card h2{font-size:21px}.checkpoint-options .option{padding:12px 14px;font-size:15px}}

/* ---------- Review and My space ---------- */
.review-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:24px;align-items:start}
.review-focus{position:sticky;top:88px}
.review-focus .button{margin-top:16px}
.task-list{display:grid;gap:16px}
.compact-details{padding:0}.compact-details summary{cursor:pointer;padding:16px var(--pad);font-weight:600}.compact-details .panel{border:0;border-top:1px solid var(--line);border-radius:0}
@media(max-width:1023px){.review-layout{grid-template-columns:1fr}.review-focus{position:static}}

/* ---------- parent report ---------- */
.report-intro{align-items:flex-start}
.parent-learner-select{display:grid;gap:6px;min-width:220px;color:var(--muted);font-size:12px}
.parent-learner-select select{min-height:44px;border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:8px 34px 8px 12px;color:var(--ink);font-weight:600}
.parent-learner-chip{display:flex;align-items:center;gap:11px;padding:8px 12px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.parent-learner-chip>span:last-child{display:grid}.parent-learner-chip small{color:var(--muted);font-size:12px}
.report-lead{display:grid;grid-template-columns:minmax(0,1fr) 300px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:24px;overflow:hidden}
.report-conclusion{padding:var(--pad)}
.report-conclusion h2{margin:12px 0 10px;max-width:24ch}
.report-conclusion p{color:var(--muted);font-size:15px}
.report-conclusion .note{color:var(--ink);font-size:16px;line-height:1.6}
.report-stats{background:var(--support);padding:var(--pad);display:grid;align-content:center}
.stat-row{padding:12px 0;display:flex;justify-content:space-between;align-items:baseline;gap:12px;border-bottom:1px solid #ced9ef;font-size:var(--t-small)}
.stat-row:last-child{border:0}.stat-row strong{font-family:var(--display);font-size:28px;font-weight:700;font-variant-numeric:tabular-nums}
.milestone-panel{margin:0 0 24px}
.milestone-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}
.milestone-heading strong{font-family:var(--display);font-size:32px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.1}
.milestone-heading strong small{font-family:var(--body);font-size:15px;font-weight:500;color:var(--muted);margin-left:4px}
.milestone-track{position:relative;height:8px;margin:16px 0 12px;border-radius:8px;background:#e8ebf1}
.milestone-track span{display:block;height:100%;border-radius:8px;background:var(--blue)}
.milestone-track i{position:absolute;top:-5px;width:2px;height:18px;background:var(--ink)}
.milestone-panel p{font-size:13px;color:var(--muted)}
.report-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start}
.ability-caption{font-size:13px;color:var(--muted);margin-bottom:16px}
.evidence-panel{min-height:420px}
.evidence-panel .subtitle{font-size:var(--t-small);color:var(--muted);margin:6px 0 16px}
.evidence-panel details{margin-top:16px}.evidence-panel summary{cursor:pointer;font-weight:600}
.evidence-explanation{white-space:pre-line;overflow-wrap:anywhere;margin-top:10px}
.evidence-score{display:inline-block;margin:6px 0 0 8px;padding:3px 9px;border-radius:6px;background:var(--support);color:var(--blue);font-size:12px;font-weight:600}
.evidence-lock{display:grid;gap:14px;justify-items:start;padding:24px 0 0}
.evidence-lock>span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--support);color:var(--blue);font-size:20px}
.parent-tertiary{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:24px;font-size:var(--t-small)}
.parent-tertiary a,.parent-tertiary button{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0;border:0;background:none;color:var(--muted);font-size:inherit}
.parent-tertiary a:hover,.parent-tertiary button:hover{color:var(--blue)}
.learner-choice .learner-choice-list{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:6px}
.radar-chart{width:100%;height:auto;display:block;max-width:440px;margin:0 auto;overflow:visible}
.radar-grid{fill:none;stroke:var(--line);stroke-width:1}.radar-axis{stroke:var(--line);stroke-width:1}
.radar-series-now{fill:none;stroke:var(--blue);stroke-width:3;stroke-linejoin:round}
.radar-node{cursor:pointer;outline:none;pointer-events:bounding-box}.radar-node .radar-hit{fill:transparent;stroke:none}
.radar-node text{font:13px var(--body);fill:var(--ink)}.radar-node .radar-value{font-size:12px;fill:var(--muted)}
.radar-node.selected .radar-label,.radar-node:hover .radar-label{fill:var(--blue);font-weight:600}
.radar-node:focus-visible .radar-hit{fill:var(--support);stroke:var(--blue);stroke-width:2}
.radar-dot{fill:#fff;stroke:var(--blue);stroke-width:2}.radar-node.selected .radar-dot{fill:var(--blue)}
@media(max-width:1023px){.report-lead{grid-template-columns:1fr}.report-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding:16px var(--pad)}.stat-row{display:grid;gap:2px;border:0;padding:0}.report-grid{gap:16px}.evidence-panel{min-height:0}}
@media(max-width:639px){.report-intro{display:grid}.parent-learner-select{width:100%}.parent-learner-chip{justify-self:start}.report-grid{grid-template-columns:1fr}.milestone-heading strong{font-size:28px}.stat-row strong{font-size:24px}.radar-node text{font-size:14px}.radar-chart{width:calc(100% + 16px);max-width:none;margin-left:-8px}.parent-tertiary{flex-direction:column;gap:0}.parent-tertiary a{justify-content:space-between;border-top:1px solid var(--line)}}

/* ---------- account ---------- */
.settings-stack{display:grid;gap:12px}
.settings-stack details.panel{padding:0}
.settings-stack summary{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:18px var(--pad);cursor:pointer;font-weight:600;list-style:none}
.settings-stack summary::-webkit-details-marker{display:none}
.settings-stack summary>span:last-child{color:var(--muted);font-weight:500;font-size:var(--t-small)}
.settings-stack summary::after{content:"+";color:var(--blue);font-size:20px;line-height:1;margin-left:8px}
.settings-stack details[open] summary::after{content:"–"}
.settings-body{padding:0 var(--pad) var(--pad);display:grid;gap:14px;border-top:1px solid var(--line);padding-top:16px}
.settings-body>p{font-size:15px;color:var(--muted)}
.plan-picker{display:grid;gap:6px}.plan-picker span{font-weight:600;font-size:var(--t-small)}
.plan-picker select{min-height:46px;padding:10px 36px 10px 12px;border:1px solid #aeb7c9;border-radius:10px;background:var(--surface)}
.promo-form label{display:block;font-weight:600;font-size:var(--t-small);margin-bottom:6px}
.promo-form div{display:flex;gap:10px}.promo-form input{flex:1;min-height:46px;padding:10px 14px;border:1px solid #aeb7c9;border-radius:10px;background:var(--surface)}
.account-line{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.account-line strong{font-family:var(--mono);font-size:22px;letter-spacing:.12em}
.access-learner{padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:var(--paper)}
.access-applies{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin:0 0 6px;font-size:15px}.access-applies span{color:var(--muted)}
.access-rule{font-size:var(--t-small);color:var(--muted)}
.access-learner h4{margin:14px 0 6px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.learner-access{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.learner-access-row{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 12px;padding:8px 10px;border-radius:10px;background:var(--surface);border:1px solid var(--line);font-size:var(--t-small)}
.learner-access-row.selected{border-color:var(--blue)}.learner-access-row strong{margin-left:auto;font-weight:600}.learner-access-row small{color:var(--muted)}
@media(max-width:639px){.promo-form div{flex-direction:column}.account-line{align-items:flex-start;flex-direction:column;gap:6px}}

/* ---------- badges ---------- */
.badge-filters{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0;align-items:center}
.badge-filter{min-height:40px;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 14px;font-size:14px}
.badge-filter[aria-pressed=true]{background:var(--blue);border-color:var(--blue);color:#fff}
.badge-search{border:1px solid #aeb7c9;border-radius:10px;padding:9px 14px;min-height:40px;width:230px;max-width:100%;background:var(--surface);color:var(--ink)}
.badge-group{margin:28px 0}
.badge-group-header{display:flex;gap:14px;align-items:center;margin-bottom:16px}
.badge-group-header>img{width:44px;height:58px;object-fit:contain}.badge-group-header p{font-size:13px;color:var(--muted)}
.badge-catalogue-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.catalogue-badge{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 12px;color:var(--ink)}
.catalogue-badge:hover{border-color:var(--blue)}
.catalogue-badge img{width:130px;height:130px;object-fit:contain}
.catalogue-badge strong{font-size:15px}.catalogue-badge .badge-caption{font-size:12px;color:var(--muted)}
.catalogue-badge .badge-art{filter:grayscale(1)}.catalogue-badge.concealed-badge{justify-content:center;gap:12px;background:var(--paper)}
.badge-clue{font-size:14px;line-height:1.6;text-wrap:pretty}
.badge-detail-art{width:220px;height:220px;object-fit:contain;margin:8px auto 20px}
.badge-detail-art.badge-art{filter:grayscale(1)}
.secret-badge{display:grid;place-items:center;width:140px;height:140px;margin:auto;font-size:40px;background:var(--support);border-radius:var(--radius)}
@media(max-width:1023px){.badge-catalogue-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:639px){.badge-catalogue-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.catalogue-badge{padding:14px 10px}.catalogue-badge img{width:110px;height:110px}.badge-search{width:100%}}

/* ---------- share dialog ---------- */
.share-card{background:var(--support);padding:24px;border-radius:var(--radius-s)}
.mini-brand{width:120px;height:auto;object-fit:contain;margin-bottom:20px}
.share-card h3{font-family:var(--display);font-size:24px;margin-bottom:12px}.share-card p{font-size:var(--t-small);color:var(--muted)}
.copy-field{width:100%;font-size:13px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;margin-top:14px;background:var(--paper)}
@media(max-width:639px){.dialog-actions .button{flex:1}}