/* Challenge detail: reference composition, real content and existing controls. */
#challengeDetailOverview.reference-design { --ref-card: var(--card); --ref-border: var(--line-strong); padding: 16px; }
#challengeDetailOverview.reference-design .challenge-hero-head { padding-top: 12px; margin-bottom: 14px; }
#challengeDetailOverview.reference-design .challenge-detail-title { font-size: clamp(27px,4vw,38px); font-weight: 800; letter-spacing: -.025em; }
#challengeDetailOverview.reference-design .challenge-detail-meta { margin-bottom: 6px; }
#challengeDetailOverview.reference-design .challenge-detail-category-slot .challenge-category-badge { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); font-family: var(--font-body); text-transform: none; font-size: 11px; font-weight: 500; padding: 5px 10px; letter-spacing: 0; }
#challengeDetailOverview.reference-design .challenge-detail-gallery { --challenge-detail-media-height: clamp(440px,110vw,920px); border-radius: 20px; margin-bottom: 14px; position: relative; background: var(--card); }
#challengeDetailOverview.reference-design .challenge-detail-gallery .media-strip.is-detail-media { height: var(--challenge-detail-media-height); min-height: var(--challenge-detail-media-height); }
#challengeDetailOverview.reference-design .challenge-detail-gallery .media-frame,
#challengeDetailOverview.reference-design .challenge-detail-gallery .media-photo-button { height: var(--challenge-detail-media-height); min-height: var(--challenge-detail-media-height); }
#challengeDetailOverview.reference-design .challenge-detail-gallery .update-photo { height: 100%; width: 100%; max-height: none; object-fit: contain; }
#challengeDetailOverview.reference-design .challenge-detail-gallery .media-dots { position: static; transform: none; display: flex; justify-content: center; gap: 8px; padding: 10px; margin: 0; min-height: 36px; background: transparent; }
#challengeDetailOverview.reference-design .challenge-detail-gallery .media-arrow { display: none; }
#challengeDetailOverview.reference-design .challenge-detail-gallery .challenge-image-descriptions { position: relative; }
#challengeDetailOverview.reference-design .challenge-detail-intro { padding: 0; margin: 0 0 14px; background: transparent; border: 0; border-radius: 18px; }
#challengeDetailOverview.reference-design .challenge-detail-goal-row h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 6px; font-size: 17px; color: var(--text); }
#challengeDetailOverview.reference-design .challenge-detail-goal-row h3 svg { color: var(--accent); width: 34px; height: 34px; padding: 5px; left: 10px; top: 13px; border: 1px solid var(--ref-border); border-radius: 12px; box-sizing: content-box; }
#challengeDetailOverview.reference-design .challenge-detail-goal-row p { font-size: 15px; line-height: 1.45; }
#challengeDetailOverview.reference-design .challenge-detail-primary-actions { gap: 8px; border: 0; border-radius: 0; overflow: visible; grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: minmax(0,1fr); }
#challengeDetailOverview.reference-design .challenge-detail-primary-actions > button { min-height: 80px; padding: 10px 4px; border: 1px solid var(--ref-border); border-radius: 16px; background: var(--ref-card); gap: 7px 8px; }
#challengeDetailOverview.reference-design .challenge-detail-primary-actions .detail-action-label { display: block; font-size: clamp(10px,2.8vw,13px); font-weight: 600; white-space: normal; }
#challengeDetailOverview.reference-design .challenge-detail-primary-actions .participation-action-button { background: var(--accent); border-color: var(--accent); color: #112000; }
#challengeDetailOverview.reference-design .challenge-detail-primary-actions .participation-action-button :is(em, .icon-button-symbol, .detail-action-label) { color: #112000; }
#challengeDetailOverview.reference-design .challenge-detail-primary-actions .participation-action-button.is-leave-action { background: var(--accent-soft); border-color: var(--accent); }
#challengeDetailOverview.reference-design .challenge-detail-primary-actions .participation-action-button.is-leave-action :is(em, .icon-button-symbol, .detail-action-label) { color: var(--text); }
#challengeDetailOverview.reference-design .is-detail-vote { padding: 12px 8px; border-radius: 18px; background: var(--ref-card); border-color: var(--ref-border); gap: 4px; }
#challengeDetailOverview.reference-design .detail-vote-options { display: grid; grid-template-columns: minmax(68px,1fr) minmax(104px,1.4fr) minmax(68px,1fr); align-items: center; gap: 4px; }
#challengeDetailOverview.reference-design .detail-vote-options .vote-button { display: flex; flex-direction: column; gap: 7px; padding: 7px 2px; min-height: 64px; border: 0; background: transparent; font-size: 11px; }
#challengeDetailOverview.reference-design .detail-vote-options .vote-button svg { width: 30px; height: 30px; padding: 9px; box-sizing: content-box; border: 1px solid var(--ref-border); border-radius: 50%; background: var(--soft); }
#challengeDetailOverview.reference-design .detail-vote-options .vote-up.is-active svg { background: var(--accent-soft); color: var(--accent); }
#challengeDetailOverview.reference-design .detail-vote-belief { text-align: center; color: var(--text); }
#challengeDetailOverview.reference-design .detail-vote-belief strong { display: block; font-size: 25px; font-weight: 800; }
#challengeDetailOverview.reference-design .detail-vote-belief span { display: block; font-size: 12px; line-height: 1.35; margin-top: 4px; }
#challengeDetailOverview.reference-design .challenge-detail-progress { padding: 15px; border: 1px solid var(--ref-border); border-radius: 18px; background: var(--ref-card); margin: 14px 0; }
#challengeDetailOverview.reference-design .challenge-detail-progress h3 { display: flex; align-items: center; gap: 9px; font-size: 16px; margin: 0 0 10px; font-family: var(--font-body); text-transform: none; letter-spacing: 0; font-weight: 700; }
#challengeDetailOverview.reference-design .challenge-detail-progress h3 svg { color: var(--accent); width: 22px; height: 22px; }
#challengeDetailOverview.reference-design .challenge-detail-progress .progress-bar { height: 14px; border: 1px solid var(--ref-border); border-radius: 20px; background: var(--page-a); }
#challengeDetailOverview.reference-design .challenge-detail-progress .progress-bar > span { background: var(--accent); border-radius: 20px; }
#challengeDetailOverview.reference-design .challenge-detail-progress .progress-meta { font-size: 13px; margin-bottom: 8px; }
#challengeDetailOverview.reference-design > .motivation-control { margin: 12px 0 18px; }
@media (max-width: 380px) { #challengeDetailOverview.reference-design { padding: 10px; } #challengeDetailOverview.reference-design .challenge-detail-primary-actions { gap: 5px; } }
#challengeDetailOverview.reference-design .challenge-detail-gallery .photo-counter { top: 10px; right: 12px; left: auto; bottom: auto; transform: none; padding: 5px 9px; border-radius: 20px; font-size: 13px; background: rgba(0,0,0,.6); color: white; }
#challengeDetailOverview.reference-design .challenge-detail-primary-actions [data-key^="like:challenge:"] svg { color: #fb7185; }
#challengeDetailOverview.reference-design .challenge-detail-primary-actions .is-liked svg { fill: #fb7185; }
#challengeDetailOverview.reference-design .challenge-detail-primary-actions .is-liked { border-color: #fb7185; }
/* V14: detail controls and information panels */
#challengeDetailOverview.reference-design .challenge-detail-primary-actions .participation-action-button:not(.is-leave-action) { background: var(--ref-card); border-color: var(--ref-border); color: var(--text); }
#challengeDetailOverview.reference-design .challenge-detail-primary-actions .participation-action-button:not(.is-leave-action) :is(em,.icon-button-symbol,.detail-action-label) { color: var(--text); }
#challengeDetailOverview.reference-design .challenge-detail-copy-row { position: relative; padding: 16px 16px 16px 64px; margin: 12px 0; border: 1px solid var(--ref-border); border-radius: 18px; background: var(--ref-card); }
#challengeDetailOverview.reference-design .challenge-detail-copy-row h3 { margin: 0 0 7px; font: 700 16px/1.35 var(--font-body); color: var(--text); letter-spacing: 0; text-transform: none; }
#challengeDetailOverview.reference-design .challenge-detail-copy-row h3 svg { position: absolute; left: 17px; top: 16px; width: 28px; height: 28px; color: var(--accent); }
#challengeDetailOverview.reference-design .challenge-detail-copy-row p { margin: 0; white-space: pre-line; line-height: 1.5; font-size: 14px; color: var(--muted); }
#challengeDetailOverview.reference-design .detail-progress-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
#challengeDetailOverview.reference-design .detail-progress-heading h3 { margin: 0; font-size: 14px; gap: 7px; }
#challengeDetailOverview.reference-design .detail-progress-heading > span { color: var(--muted); font-size: 12px; white-space: nowrap; }
.detail-progress-segments { display: flex; gap: 2px; height: 12px; }
.detail-progress-segments i { flex: 1; min-width: 0; border-radius: 3px; background: linear-gradient(to right,var(--accent) var(--segment-fill),var(--soft) var(--segment-fill)); border: 1px solid var(--line); }
#challengeDetailOverview.reference-design .participation-member-actions { display: flex; justify-content: center; margin-top: 12px; }
#challengeDetailOverview.reference-design .participation-reminder-button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; width: auto; min-width: 180px; min-height: 48px; padding: 10px 18px; color: var(--text); border: 1px solid var(--ref-border); border-radius: 14px; background: var(--ref-card); }
#challengeDetailOverview.reference-design .participation-reminder-button-icon svg { width: 24px; height: 24px; }
.update-detail-card > .actionbar, .update-card > .actionbar:not(.update-feed-actions) { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0,1fr); gap: 8px; justify-items: stretch; }
.update-detail-card > .actionbar > button, .update-card > .actionbar:not(.update-feed-actions) > button { display: flex; align-items: center; justify-content: center; gap: 10px; min-width: 0; width: 100%; min-height: 48px; padding: 8px 4px; }
.update-detail-card > .actionbar .icon-button-symbol, .update-detail-card > .actionbar svg, .update-card > .actionbar:not(.update-feed-actions) .icon-button-symbol, .update-card > .actionbar:not(.update-feed-actions) svg { width: 25px; height: 25px; flex-shrink: 0; }
.update-feed-actions .update-actions-secondary > button { display: flex; align-items: center; justify-content: center; min-width: 0; width: 100%; min-height: 44px; }
.update-feed-actions .update-actions-secondary svg { width: 25px; height: 25px; }
.notice-body[role="button"] { cursor: pointer; border-radius: 8px; }
.notice-body[role="button"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.vote-reels { display: inline-flex; height: 1em; line-height: 1; overflow: hidden; font-variant-numeric: tabular-nums; }
.vote-reel { display: inline-block; height: 1em; overflow: hidden; }
#challengeDetailOverview.reference-design .detail-vote-belief .vote-reel-strip { display: flex; flex-direction: column; margin: 0; font: inherit; line-height: 1; animation: vote-roll .65s cubic-bezier(.16,1,.3,1) forwards; }
#challengeDetailOverview.reference-design .detail-vote-belief .vote-reel-strip > span { display: block; height: 1em; flex-shrink: 0; margin: 0; font: inherit; line-height: 1; }
@keyframes vote-roll { to { transform: translateY(var(--reel-end)); } }
@media (max-width: 360px) { #challengeDetailOverview.reference-design .detail-progress-heading { gap: 6px; } #challengeDetailOverview.reference-design .detail-progress-heading h3 { font-size: 12px; } #challengeDetailOverview.reference-design .detail-progress-heading > span { font-size: 11px; } }

#challengeDetailOverview.reference-design .detail-progress-heading h3 svg { fill: var(--accent); stroke-width: 1; }
#challengeDetailOverview.reference-design .detail-vote-belief .vote-reels { display: inline-flex; font: inherit; line-height: 1; margin: 0; }
#challengeDetailOverview.reference-design .detail-vote-belief .vote-reel, #challengeDetailOverview.reference-design .detail-vote-belief .vote-reels > span { font: inherit; line-height: 1; margin: 0; }