* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); }

/* Header */
header { border-bottom: 1px solid var(--border); padding: 16px 24px; display: flex; align-items: center; gap: 12px; position: sticky; top: 0; z-index: 100; background: var(--bg); }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.25rem; font-weight: 700; }
.logo-icon { width: 36px; height: 36px; background: linear-gradient(135deg, #3b82f6, #8b5cf6); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.header-right { margin-left: auto; display: flex; align-items: center; gap: 16px; font-size: 0.85rem; color: var(--text-muted); }
.header-right b { color: var(--accent); }

.container { max-width: 1280px; margin: 0 auto; padding: 32px; }
.back-link { display: inline-block; margin-bottom: 16px; color: var(--text-muted); font-size: 0.85rem; cursor: pointer; text-decoration: none; }
.back-link:hover { color: var(--text); }

/* Stats row */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 32px; }
.stat { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.stat .v { font-size: 1.5rem; font-weight: 700; color: var(--accent); }
.stat .l { color: var(--text-muted); font-size: 0.75rem; margin-top: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.stat.green .v { color: var(--green); }
.stat.purple .v { color: var(--purple); }

/* New generation form */
.new-gen { background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(139,92,246,0.04)); border: 1px solid var(--blue); border-radius: var(--radius); padding: 24px; margin-bottom: 32px; }
.new-gen h2 { font-size: 1.1rem; color: var(--blue); margin-bottom: 12px; }
.new-gen .form-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.new-gen input[type="text"] { flex: 1; min-width: 250px; padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-size: 0.95rem; }
.new-gen input:focus { outline: none; border-color: var(--blue); }
.new-gen .field-group { display: flex; flex-direction: column; gap: 4px; }
.new-gen label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.new-gen select { padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-size: 0.9rem; }
.btn { padding: 10px 20px; border: none; border-radius: var(--radius-sm); cursor: pointer; font-size: 0.9rem; font-weight: 600; transition: all 0.2s; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }

/* Session divider */
.session-group { margin-bottom: 40px; }
.session-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.session-header h2 { font-size: 1rem; font-weight: 600; }
.session-header .meta { font-size: 0.8rem; color: var(--text-muted); }
.session-header .status-badge { padding: 3px 10px; border-radius: 999px; font-size: 0.72rem; font-weight: 600; }
.status-generating { background: rgba(217,119,6,0.15); color: var(--accent); }
.status-voting { background: rgba(59,130,246,0.15); color: var(--blue); }
.status-done { background: rgba(74,222,128,0.15); color: var(--green); }

/* Concept group blocks (collapsible) */
.concept-group { margin-bottom: 24px; }
.group-header { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; user-select: none; transition: background 0.15s; }
.group-header:hover { background: var(--bg-hover); }
.group-header .group-arrow { font-size: 0.7rem; color: var(--text-dim); transition: transform 0.2s; }
.group-header.collapsed .group-arrow { transform: rotate(-90deg); }
.group-header .group-title { font-size: 0.9rem; font-weight: 600; }
.group-header .group-count { margin-left: auto; font-size: 0.75rem; color: var(--text-muted); }
.group-body { margin-top: 12px; }
.group-body.hidden { display: none; }

/* Concept cards grid */
.concepts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 16px; }
.concept-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; cursor: pointer; transition: border-color 0.2s, transform 0.15s; }
.concept-card:hover { border-color: #444; transform: translateY(-2px); }
.concept-card.voted-like { border-color: rgba(74,222,128,0.4); }
.concept-card.voted-skip { opacity: 0.55; }
.concept-card .card-frames { display: flex; gap: 2px; height: 180px; overflow: hidden; }
.concept-card .card-frames img { flex: 1; min-width: 0; object-fit: cover; display: block; }
.concept-card .card-body { padding: 16px; }
.concept-card .card-body h3 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.concept-card .card-body .location { color: var(--text-muted); font-size: 0.8rem; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.concept-card .card-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.card-tag { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 3px 8px; font-size: 0.7rem; color: var(--text-muted); }
.card-tag.green { color: var(--green); border-color: rgba(74,222,128,0.3); }
.card-tag.orange { color: var(--accent); border-color: rgba(217,119,6,0.3); }
.card-tag.purple { color: var(--purple); border-color: rgba(139,92,246,0.3); }
.card-vote { display: flex; gap: 6px; margin-top: 10px; }
.vote-btn { padding: 5px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); cursor: pointer; font-size: 0.8rem; color: var(--text-muted); transition: all 0.2s; }
.vote-btn:hover { background: var(--bg-hover); }
.vote-btn.active-like { background: #166534; border-color: var(--green); color: var(--green); }
.vote-btn.active-skip { background: #374151; border-color: #666; color: #999; }

/* ═══ CONCEPT DETAIL VIEW ═══ */
.detail-header { margin-bottom: 24px; }
.detail-header h1 { font-size: 1.4rem; font-weight: 700; margin-bottom: 4px; }
.detail-header .sub { color: var(--text-muted); font-size: 0.85rem; display: flex; gap: 16px; flex-wrap: wrap; }
.detail-header .sub b { color: var(--accent); }

.concept-meta { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 24px; }
.concept-meta .field { margin-bottom: 6px; font-size: 0.88rem; }
.concept-meta .field .k { color: var(--text-dim); display: inline-block; min-width: 130px; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; }
.concept-meta .field .v { color: var(--text); }

.section-title { font-size: 1.15rem; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.section-title .badge { font-size: 0.75rem; }

/* Preview grid: 2 columns for ≤7 frames, auto-fill for full */
/* Lazy-loaded images show a subtle dark placeholder until they enter the viewport. */
img[data-src]:not([src]) { background: #161616; min-height: 1px; }

.continuity-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 16px 0 24px; }
.continuity-grid.full-grid { grid-template-columns: repeat(auto-fill, minmax(70px, 1fr)); gap: 4px; }
.continuity-grid figure { margin: 0; position: relative; cursor: pointer; }
.continuity-grid img { width: 100%; aspect-ratio: 3/4; object-fit: cover; border-radius: 6px; transition: transform 0.15s; display: block; }
.continuity-grid img:hover { transform: scale(1.04); }
.continuity-grid figcaption { text-align: center; font-size: 0.65rem; color: var(--text-dim); margin-top: 3px; }
.continuity-grid .regen-badge { position: absolute; top: 4px; right: 4px; background: rgba(217,119,6,0.9); color: #fff; font-size: 0.6rem; font-weight: 700; padding: 1px 5px; border-radius: 4px; z-index: 2; }
/* Selection mode — subtle */
.continuity-grid figure.selected img { box-shadow: 0 0 0 3px var(--blue); }
.continuity-grid figure.selected figcaption { color: var(--blue); font-weight: 600; }
.sel-comment-bar { display: none; margin-top: 8px; padding: 8px 12px; background: var(--bg-card); border: 1px solid var(--blue); border-radius: var(--radius-sm); }
.sel-comment-bar.open { display: flex; gap: 8px; align-items: center; }
.sel-comment-bar .sel-info { font-size: 0.75rem; color: var(--blue); white-space: nowrap; }
.sel-comment-bar input { flex: 1; padding: 5px 10px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-size: 0.78rem; }
.sel-comment-bar button { white-space: nowrap; }

/* Quality summary bar */
.quality-bar { display: flex; gap: 16px; padding: 10px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 0.8rem; color: var(--text-muted); flex-wrap: wrap; }
.quality-bar .qb-item { display: flex; align-items: center; gap: 4px; }
.quality-bar .qb-val { font-weight: 700; }
.quality-bar .qb-val.good { color: var(--green); }
.quality-bar .qb-val.warn { color: var(--accent); }
.quality-bar .qb-val.bad { color: #ff6b6b; }

/* Frame detail card — image 3:4 left, regens beside, info right */
.frame-card { display: grid; grid-template-columns: auto 1fr; gap: 14px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; margin-bottom: 10px; scroll-margin-top: 70px; }
@media (max-width: 800px) { .frame-card { grid-template-columns: 1fr; } }
.frame-card .frame-img-col { display: flex; gap: 6px; }
.frame-card .main { height: 65vh; max-height: 520px; max-width: 100%; aspect-ratio: 3/4; object-fit: cover; border-radius: var(--radius-sm); display: block; cursor: pointer; }

/* Regen gallery — vertical, right of main image */
.regen-gallery { display: flex; flex-direction: column; gap: 4px; }
.regen-gallery .regen-thumb { width: 48px; flex-shrink: 0; border-radius: 4px; overflow: hidden; cursor: pointer; border: 2px solid transparent; transition: border-color 0.2s; position: relative; }
.regen-gallery .regen-thumb.active { border-color: var(--accent); }
.regen-gallery .regen-thumb.rejected { opacity: 0.5; }
.regen-gallery .regen-thumb img { width: 100%; aspect-ratio: 9/16; object-fit: cover; display: block; }
.regen-gallery .regen-label { position: absolute; bottom: 0; left: 0; right: 0; background: rgba(0,0,0,0.7); font-size: 0.5rem; color: #ccc; text-align: center; padding: 1px; }

/* Image loading indicator */
.img-loading { position: absolute; top: 0; left: 0; right: 0; bottom: 0; display: none; align-items: center; justify-content: center; background: rgba(0,0,0,0.3); border-radius: var(--radius-sm); z-index: 5; }
.img-loading::after { content: ''; width: 28px; height: 28px; border: 3px solid rgba(255,255,255,0.2); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Floating back-to-grid button */
.fab-grid { position: fixed; bottom: 24px; right: 24px; width: 44px; height: 44px; background: rgba(30,30,30,0.85); border: 1px solid var(--border); border-radius: 50%; display: none; align-items: center; justify-content: center; cursor: pointer; z-index: 99; font-size: 1.1rem; color: var(--text-muted); transition: all 0.2s; backdrop-filter: blur(8px); }
.fab-grid:hover { background: var(--bg-hover); color: var(--text); border-color: var(--accent); }
.fab-grid.visible { display: flex; }

/* Block section */
.block-section { margin-bottom: 24px; }
.block-header { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; padding: 8px 12px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.block-header .block-letter { background: var(--accent); color: #fff; font-weight: 700; padding: 2px 10px; border-radius: var(--radius-sm); font-size: 0.85rem; }
.block-header .block-name { font-size: 0.9rem; font-weight: 600; }
.block-header .block-meta { margin-left: auto; font-size: 0.75rem; color: var(--text-muted); }
.frame-card .body h3 { font-size: 1.05rem; margin-bottom: 4px; display: flex; align-items: center; gap: 10px; }
.frame-card .body h3 .num { background: var(--accent); color: #fff; font-weight: 700; padding: 2px 10px; border-radius: var(--radius-sm); font-size: 0.85rem; }
.frame-card .body .desc { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 10px; }
.frame-card .meta-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.badge { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 3px 10px; font-size: 0.72rem; color: var(--text-muted); }
.badge.green { color: var(--green); border-color: rgba(74,222,128,0.3); }
.badge.red { color: #ff6b6b; border-color: rgba(255,107,107,0.3); }
.badge.orange { color: var(--accent); border-color: rgba(217,119,6,0.3); }
.badge.purple { color: var(--purple); border-color: rgba(139,92,246,0.3); }

.verdict-box { padding: 10px 14px; margin-top: 8px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 0.82rem; }
.verdict-box.accept { background: rgba(74,222,128,0.05); border-left: 3px solid var(--green); }
.verdict-box.reject { background: rgba(255,107,107,0.05); border-left: 3px solid #ff6b6b; }
.verdict-box .issues { margin-top: 6px; }
.verdict-box .issue { color: var(--accent); font-size: 0.78rem; }

/* phase_role badges (v2.5) */
.role-badge { display: inline-flex; align-items: center; gap: 4px; font-size: 0.66rem; font-weight: 700; padding: 2px 7px; border-radius: 4px; letter-spacing: 0.3px; text-transform: uppercase; border: 1px solid transparent; }
.role-badge.anchor_t2i { background: rgba(250,204,21,0.15); color: #facc15; border-color: rgba(250,204,21,0.4); }
.role-badge.anchor_i2i { background: rgba(250,204,21,0.08); color: #facc15; border-color: rgba(250,204,21,0.25); }
.role-badge.forward { background: rgba(74,222,128,0.12); color: var(--green); border-color: rgba(74,222,128,0.3); }
.role-badge.reverse { background: rgba(217,119,6,0.12); color: var(--accent); border-color: rgba(217,119,6,0.3); }
.role-badge.retry { background: rgba(255,107,107,0.12); color: #ff6b6b; border-color: rgba(255,107,107,0.3); }
.role-badge.manual_regen { background: rgba(59,130,246,0.12); color: var(--blue); border-color: rgba(59,130,246,0.3); }
.role-badge.legacy { background: rgba(128,128,128,0.12); color: #9ca3af; border-color: rgba(128,128,128,0.3); }

/* Continuity grid role dot */
.continuity-grid .role-dot { position: absolute; top: 4px; left: 4px; width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid rgba(0,0,0,0.4); z-index: 2; }
.role-dot.anchor_t2i, .role-dot.anchor_i2i { background: #facc15; }
.role-dot.forward { background: var(--green); }
.role-dot.reverse { background: var(--accent); }
.role-dot.retry { background: #ff6b6b; }
.role-dot.manual_regen { background: var(--blue); }
.role-dot.legacy { background: #9ca3af; }

/* Verdict axes grid */
.axes-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 4px; margin-top: 8px; }
.axis-chip { display: flex; justify-content: space-between; gap: 6px; padding: 3px 7px; border: 1px solid var(--border); border-radius: 4px; font-size: 0.68rem; background: var(--bg); }
.axis-chip .ak { color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.3px; font-size: 0.6rem; align-self: center; }
.axis-chip .av { font-weight: 600; text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 70px; }
.axis-chip.ok { border-color: rgba(74,222,128,0.35); }
.axis-chip.ok .av { color: var(--green); }
.axis-chip.bad { border-color: rgba(255,107,107,0.35); background: rgba(255,107,107,0.05); }
.axis-chip.bad .av { color: #ff6b6b; }
.axis-chip.na { opacity: 0.45; }
.axis-chip.na .av { color: var(--text-dim); }

/* Suggested prompt fix — golden callout */
.fix-box { margin-top: 10px; padding: 10px 12px; background: rgba(250,204,21,0.06); border: 1px solid rgba(250,204,21,0.25); border-left: 3px solid #facc15; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.fix-box .fix-label { font-size: 0.65rem; color: #facc15; text-transform: uppercase; letter-spacing: 0.5px; font-weight: 700; margin-bottom: 4px; }
.fix-box .fix-text { font-size: 0.78rem; color: var(--text-muted); line-height: 1.45; white-space: pre-wrap; }

/* What-was-visible expandable */
.visible-block { margin-top: 8px; font-size: 0.75rem; }
.visible-block summary { cursor: pointer; color: var(--text-dim); padding: 2px 0; }
.visible-block summary:hover { color: var(--text-muted); }
.visible-block .wv-text { background: var(--bg); padding: 8px 10px; border-radius: var(--radius-sm); font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; line-height: 1.45; }
.visible-block .mm-list { margin-top: 6px; padding-left: 14px; font-size: 0.73rem; color: var(--accent); }
.visible-block .mm-list li { margin: 2px 0; }

/* Stage error banner */
.stage-error { background: rgba(255,107,107,0.08); border: 1px solid rgba(255,107,107,0.35); border-left: 4px solid #ff6b6b; border-radius: var(--radius-sm); padding: 12px 16px; margin-bottom: 16px; }
.stage-error .err-label { font-size: 0.7rem; color: #ff6b6b; text-transform: uppercase; letter-spacing: 0.5px; font-weight: 700; margin-bottom: 4px; }
.stage-error .err-text { font-size: 0.85rem; color: var(--text); }

/* Videos section */
.videos-section { margin-top: 32px; }
.video-player-wrap { background: #000; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 16px; }
.video-player-wrap video { width: 100%; max-height: 70vh; display: block; background: #000; }
.video-meta-bar { display: flex; gap: 16px; padding: 10px 14px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 0.78rem; color: var(--text-muted); flex-wrap: wrap; align-items: center; }
.video-meta-bar .vm-item b { color: var(--text); }
.video-meta-bar a.dl { margin-left: auto; color: var(--blue); text-decoration: none; font-size: 0.78rem; }
.video-meta-bar a.dl:hover { text-decoration: underline; }

.transitions-timeline { display: flex; flex-direction: column; gap: 8px; }
.trans-item { display: grid; grid-template-columns: 80px 1fr auto; gap: 12px; padding: 10px 12px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); align-items: start; }
.trans-item .trans-frames { display: flex; align-items: center; gap: 4px; font-weight: 700; color: var(--accent); font-size: 0.85rem; }
.trans-item .trans-frames .arrow { color: var(--text-dim); font-size: 0.75rem; }
.trans-item .trans-body { min-width: 0; }
.trans-item .trans-prompt { font-size: 0.75rem; color: var(--text-muted); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 4px; }
.trans-item .trans-prompt.expanded { -webkit-line-clamp: unset; }
.trans-item .trans-meta { font-size: 0.66rem; color: var(--text-dim); }
.trans-item .trans-right { text-align: right; font-size: 0.75rem; }
.trans-item .trans-right .tcost { color: var(--accent); font-weight: 600; }
.trans-item .trans-right .tdur { color: var(--text-dim); font-size: 0.7rem; }
.trans-item.failed { border-color: rgba(255,107,107,0.35); background: rgba(255,107,107,0.04); }

/* Transition row (compact) + expandable panel */
.trans-item { grid-template-columns: unset; padding: 0; overflow: hidden; }
.trans-item .trans-row { display: grid; grid-template-columns: 110px 1fr auto; gap: 12px; padding: 10px 12px; cursor: pointer; align-items: center; transition: background 0.15s; }
.trans-item .trans-row:hover { background: var(--bg-hover); }
.trans-item .trow-thumb { width: 110px; height: 140px; object-fit: cover; border-radius: 4px; background: var(--bg); display: block; }
.trans-item .trow-expand { margin-left: auto; color: var(--text-dim); font-size: 0.9rem; transition: transform 0.2s; }
.trans-item.expanded .trow-expand { transform: rotate(180deg); color: var(--accent); }
.trans-item .trans-prompt-peek { font-size: 0.75rem; color: var(--text-muted); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-top: 4px; }

.trans-item .trans-expand { display: none; padding: 14px; border-top: 1px solid var(--border); background: var(--bg); }
.trans-item.expanded .trans-expand { display: block; }
.trans-frames-pair { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: center; margin-bottom: 12px; }
.trans-frame-fig { margin: 0; }
.trans-frame-fig img { width: 100%; aspect-ratio: 3/4; object-fit: cover; border-radius: var(--radius-sm); cursor: zoom-in; display: block; }
.trans-frame-fig figcaption { text-align: center; font-size: 0.7rem; color: var(--text-dim); margin-top: 4px; }
.trans-arrow-big { font-size: 1.6rem; color: var(--accent); text-align: center; }
.trans-clip-wrap { background: #000; border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 10px; }
.trans-clip-wrap video { width: 100%; max-height: 500px; display: block; background: #000; }
.trans-clip-meta { display: flex; justify-content: space-between; padding: 6px 10px; font-size: 0.72rem; color: var(--text-muted); background: var(--bg-card); }
.trans-clip-meta a.dl { color: var(--blue); text-decoration: none; }
.trans-clip-meta a.dl:hover { text-decoration: underline; }
.trans-prompt-full { background: var(--bg-card); border-left: 3px solid var(--accent); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 10px 12px; }
.trans-prompt-full .tpf-label { font-size: 0.65rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 700; margin-bottom: 6px; }
.trans-prompt-full .tpf-text { font-size: 0.78rem; color: var(--text-muted); line-height: 1.5; white-space: pre-wrap; }

/* ═══ v2.6: Transition version gallery (regens) ═══ */
.trow-versions-badge { display: inline-block; margin-left: 6px; padding: 1px 6px; border-radius: 4px; font-size: 0.62rem; font-weight: 700; background: rgba(217,119,6,0.18); color: var(--accent); border: 1px solid rgba(217,119,6,0.35); }
.trans-clip-row { display: grid; grid-template-columns: 1fr 72px; gap: 10px; align-items: start; margin-bottom: 10px; }
.vversion-gallery { display: flex; flex-direction: column; gap: 4px; max-height: 500px; overflow-y: auto; padding: 1px; }
.vversion-thumb { width: 72px; flex-shrink: 0; border-radius: 4px; overflow: hidden; cursor: pointer; border: 2px solid transparent; transition: border-color 0.2s, opacity 0.2s; position: relative; background: #000; }
.vversion-thumb video { width: 100%; aspect-ratio: 9/16; object-fit: cover; display: block; }
.vversion-thumb .vv-label { position: absolute; bottom: 0; left: 0; right: 0; background: rgba(0,0,0,0.72); font-size: 0.55rem; color: #ccc; text-align: center; padding: 1px; letter-spacing: 0.3px; }
.vversion-thumb.chosen { border-color: var(--green); box-shadow: 0 0 6px rgba(74,222,128,0.4); }
.vversion-thumb.chosen .vv-label { color: var(--green); font-weight: 700; }
.vversion-thumb.rejected { opacity: 0.45; border-color: rgba(255,107,107,0.3); }
.vversion-thumb.rejected .vv-label { color: #ff6b6b; }
.vversion-thumb.rendered { border-color: rgba(250,204,21,0.35); }
.vversion-thumb.failed { opacity: 0.45; border-color: #ff6b6b; }
.vversion-thumb.failed::after { content: '⚠'; position: absolute; top: 2px; right: 2px; color: #ff6b6b; font-size: 0.8rem; }

/* Version action bar */
.v-actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border); align-items: center; font-size: 0.75rem; color: var(--text-muted); }
.v-actions .btn-sm { padding: 4px 10px; font-size: 0.72rem; }
.v-badge-status { display: inline-block; padding: 1px 8px; border-radius: 4px; font-size: 0.66rem; font-weight: 700; letter-spacing: 0.3px; text-transform: uppercase; }
.v-badge-status.chosen { background: rgba(74,222,128,0.15); color: var(--green); border: 1px solid rgba(74,222,128,0.35); }
.v-badge-status.rejected { background: rgba(255,107,107,0.12); color: #ff6b6b; border: 1px solid rgba(255,107,107,0.3); }
.v-badge-status.rendered { background: rgba(250,204,21,0.12); color: #facc15; border: 1px solid rgba(250,204,21,0.3); }
.v-badge-status.failed { background: rgba(255,107,107,0.15); color: #ff6b6b; border: 1px solid rgba(255,107,107,0.4); }
.v-rejection { margin-top: 6px; padding: 6px 10px; background: rgba(255,107,107,0.05); border-left: 2px solid #ff6b6b; border-radius: 0 4px 4px 0; font-size: 0.72rem; color: #ff9e9e; }

/* Regen modal */
.vr-modal-backdrop { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.75); z-index: 999; align-items: center; justify-content: center; padding: 20px; }
.vr-modal-backdrop.open { display: flex; }
.vr-modal { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; max-width: 640px; width: 100%; max-height: 90vh; overflow-y: auto; }
.vr-modal h3 { font-size: 1rem; margin: 0 0 12px; color: var(--accent); }
.vr-modal label { font-size: 0.72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; display: block; margin-top: 10px; margin-bottom: 4px; }
.vr-modal textarea { width: 100%; min-height: 120px; padding: 10px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-family: ui-monospace, monospace; font-size: 0.75rem; resize: vertical; box-sizing: border-box; }
.vr-modal textarea:focus { outline: none; border-color: var(--accent); }
.vr-modal input[type="text"] { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); box-sizing: border-box; font-size: 0.8rem; }
.vr-modal .vr-row { display: flex; gap: 8px; margin-top: 14px; justify-content: flex-end; }
.vr-modal .check-row { display: flex; align-items: center; gap: 6px; margin-top: 8px; font-size: 0.8rem; color: var(--text-muted); }

/* Stale-final banner */
.final-stale-banner { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: rgba(217,119,6,0.08); border: 1px solid rgba(217,119,6,0.3); border-radius: var(--radius-sm); margin-bottom: 14px; font-size: 0.82rem; color: var(--text-muted); }
.final-stale-banner .fs-icon { font-size: 1rem; }
.final-stale-banner b { color: var(--accent); }
.final-stale-banner .btn { margin-left: auto; }

/* Rule issues */
.rules-warn { background: rgba(217,119,6,0.06); border: 1px solid rgba(217,119,6,0.2); border-radius: var(--radius); padding: 16px 20px; margin-bottom: 24px; }
.rules-warn h3 { font-size: 0.85rem; color: var(--accent); margin-bottom: 8px; }
.rules-warn .issue { font-size: 0.8rem; color: var(--text-muted); padding: 2px 0; }

/* Progress bar */
.progress-wrap { background: var(--bg); border-radius: 4px; height: 6px; overflow: hidden; margin: 8px 0; }
.progress-bar { height: 100%; background: linear-gradient(90deg, var(--accent), var(--green)); border-radius: 4px; transition: width 0.5s ease; }
.progress-bar.done { background: var(--green); }

/* Frame feedback — single line */
.frame-feedback { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border); display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.fb-btn { padding: 2px 8px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); cursor: pointer; font-size: 0.72rem; color: var(--text-muted); transition: all 0.2s; }
.fb-btn:hover { background: var(--bg-hover); }
.fb-btn.fb-like { color: var(--green); border-color: rgba(74,222,128,0.3); background: rgba(74,222,128,0.1); }
.fb-btn.fb-dislike { color: #ff6b6b; border-color: rgba(255,107,107,0.3); background: rgba(255,107,107,0.1); }
.fb-comment { flex: 1; min-width: 120px; padding: 4px 8px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-size: 0.75rem; font-family: inherit; }
.fb-comment:focus { outline: none; border-color: var(--accent); }
.fb-comment::placeholder { color: var(--text-dim); }
.fb-saved { font-size: 0.6rem; color: var(--green); opacity: 0; transition: opacity 0.3s; }
.fb-saved.show { opacity: 1; }
a.dl-btn { text-decoration: none; }
.regen-gallery .regen-thumb.chosen { border-color: var(--green); box-shadow: 0 0 6px rgba(74,222,128,0.4); }

/* Prompt display */
.prompt-block { margin-top: 8px; }
.prompt-block summary { cursor: pointer; color: var(--text-dim); font-size: 0.75rem; padding: 2px 0; }
.prompt-block summary:hover { color: var(--text-muted); }
.prompt-text { background: var(--bg); padding: 10px; border-radius: var(--radius-sm); font-family: ui-monospace, monospace; font-size: 0.72rem; line-height: 1.5; color: var(--text-muted); margin-top: 6px; white-space: pre-wrap; max-height: 200px; overflow-y: auto; }
.prompt-ru { background: rgba(59,130,246,0.05); border-left: 2px solid var(--blue); padding: 8px 10px; margin-top: 6px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 0.72rem; line-height: 1.5; color: var(--text-muted); max-height: 200px; overflow-y: auto; white-space: pre-wrap; }

/* Lightbox */
.lightbox { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.92); z-index: 1000; align-items: center; justify-content: center; cursor: zoom-out; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 90vh; object-fit: contain; border-radius: 8px; }

/* Log viewer */
.log-viewer { background: #111; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px; max-height: 300px; overflow-y: auto; font-family: monospace; font-size: 0.72rem; color: #8f8; white-space: pre-wrap; word-break: break-all; margin-top: 12px; display: none; }

.empty { text-align: center; padding: 60px 20px; color: var(--text-dim); }
.empty h2 { color: var(--text-muted); margin-bottom: 8px; }

/* ═══ STEP-BY-STEP / EXPANDED MODE (Sprint 1-3) ═══ */

/* Mode toggle in header */
.mode-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.mode-toggle button { background: var(--bg); color: var(--text-muted); border: 0; padding: 4px 10px; font-size: 0.72rem; cursor: pointer; letter-spacing: 0.3px; text-transform: uppercase; }
.mode-toggle button.active { background: var(--accent); color: #fff; }
.mode-toggle button:hover:not(.active) { background: var(--bg-hover); color: var(--text); }

/* Stage-level «Generate next anchor» control */
.next-anchor-bar { display: flex; gap: 10px; align-items: center; margin: 8px 0 16px; padding: 10px 14px; background: linear-gradient(135deg, rgba(217,119,6,0.12), rgba(59,130,246,0.08)); border: 1px solid var(--accent); border-radius: var(--radius-sm); font-size: 0.82rem; flex-wrap: wrap; }
.next-anchor-bar .nb-set { color: var(--text); font-weight: 600; }
.next-anchor-bar .nb-progress { color: var(--text-muted); font-size: 0.76rem; }
.next-anchor-bar .nb-next { color: var(--accent); font-weight: 600; }
.next-anchor-bar .btn { margin-left: auto; }
.next-anchor-bar select { background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 4px 8px; font-size: 0.78rem; }

/* Expanded-only sections inside frame card */
.expanded-block { margin: 12px 0; padding: 10px 12px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.expanded-block .eb-head { display: flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; font-size: 0.76rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.6px; }
.expanded-block .eb-head .eb-arrow { font-size: 0.6rem; opacity: 0.6; transition: transform 0.15s; }
.expanded-block.collapsed .eb-head .eb-arrow { transform: rotate(-90deg); }
.expanded-block.collapsed .eb-body { display: none; }
.expanded-block .eb-body { margin-top: 8px; }

/* Composed system prompt textarea (read-only display + regen editor) */
.prompt-pre { background: #0a0a0a; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px; color: #cdd9e5; font-family: 'SF Mono', Menlo, Consolas, monospace; font-size: 0.72rem; line-height: 1.45; max-height: 320px; overflow-y: auto; white-space: pre-wrap; word-break: break-word; margin: 0; }

/* Bilingual EN/RU side-by-side — split pane */
.bilingual { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.bilingual .lang-col { min-width: 0; }
.bilingual .lang-label { font-size: 0.65rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 4px; display: flex; justify-content: space-between; align-items: center; }
.bilingual .lang-label button { background: transparent; color: var(--blue); border: 1px solid var(--blue); border-radius: 4px; font-size: 0.65rem; padding: 2px 6px; cursor: pointer; }
.bilingual .lang-label button:hover { background: rgba(59,130,246,0.12); }
.bilingual .lang-label button:disabled { opacity: 0.5; cursor: wait; }
.bilingual .lang-label .lang-note { color: var(--text-dim); font-style: italic; }
@media (max-width: 900px) { .bilingual { grid-template-columns: 1fr; } }

/* Refs visual list inside expanded frame card */
.refs-list { display: flex; gap: 8px; flex-wrap: wrap; margin: 4px 0 0; }
.ref-chip { display: flex; flex-direction: column; align-items: center; gap: 3px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 6px; min-width: 70px; }
.ref-chip img { width: 56px; height: 75px; object-fit: cover; border-radius: 3px; background: #222; }
.ref-chip .ref-label { font-size: 0.64rem; color: var(--text-muted); text-align: center; }
.ref-chip.t2i { border-color: var(--accent); }
.ref-chip.t2i .ref-label { color: var(--accent); }

/* Regen-advanced modal (adapted from .vr-modal pattern) */
.ra-modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.78); display: none; align-items: flex-start; justify-content: center; z-index: 2000; padding: 40px 20px; overflow-y: auto; }
.ra-modal-backdrop.open { display: flex; }
.ra-modal { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; max-width: 900px; width: 100%; color: var(--text); }
.ra-modal h3 { margin: 0 0 8px; font-size: 1.05rem; font-weight: 600; }
.ra-modal .ra-sub { color: var(--text-muted); font-size: 0.8rem; margin-bottom: 16px; }
.ra-modal .ra-row { display: flex; gap: 10px; margin-top: 16px; justify-content: flex-end; }
.ra-modal label { display: block; font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.6px; margin: 12px 0 4px; }
.ra-modal textarea { width: 100%; min-height: 200px; padding: 8px 10px; background: #0a0a0a; border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-family: 'SF Mono', Menlo, Consolas, monospace; font-size: 0.74rem; resize: vertical; line-height: 1.45; }
.ra-modal textarea.hint-area { min-height: 70px; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-size: 0.85rem; }
.ra-modal .refs-picker { display: flex; gap: 6px; flex-wrap: wrap; padding: 6px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.ra-modal .refs-picker label.ref-opt { background: var(--bg-card); border: 1px solid var(--border); border-radius: 4px; padding: 4px 8px; font-size: 0.78rem; cursor: pointer; display: flex; align-items: center; gap: 6px; text-transform: none; letter-spacing: 0; margin: 0; color: var(--text); }
.ra-modal .refs-picker label.ref-opt.active { background: rgba(217,119,6,0.18); border-color: var(--accent); color: var(--text); }
.ra-modal .refs-picker input[type="checkbox"] { accent-color: var(--accent); }
.ra-modal .ra-info { padding: 8px 10px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 0.78rem; color: var(--text-muted); }
.ra-modal .ra-info b { color: var(--text); }

/* Running indicator for anchor/next and regen-advanced */
.running-indicator { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-right: 6px; animation: pulse-dot 1s infinite; vertical-align: middle; }
@keyframes pulse-dot { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ═══ UX polish (session 10.1) ═══ */

/* «New tuning concept» button — shows in header only while in Expanded mode */
.new-tuning-btn { background: transparent; color: var(--accent); border: 1px solid var(--accent); border-radius: var(--radius-sm); padding: 4px 10px; font-size: 0.76rem; cursor: pointer; letter-spacing: 0.2px; }
.new-tuning-btn:hover { background: rgba(217,119,6,0.12); }
.new-tuning-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Empty-state CTA card when expanded + stage has no frame_results */
.empty-cta { background: linear-gradient(135deg, rgba(217,119,6,0.14), rgba(139,92,246,0.10)); border: 1px dashed var(--accent); border-radius: var(--radius); padding: 28px 20px; text-align: center; margin: 20px 0 24px; }
.empty-cta h3 { color: var(--accent); font-size: 1.1rem; margin: 0 0 8px; font-weight: 600; }
.empty-cta p { color: var(--text-muted); font-size: 0.88rem; margin: 0 0 16px; }
.empty-cta .cta-btn { font-size: 0.95rem; padding: 12px 24px; }
.empty-cta .cta-sub { font-size: 0.72rem; color: var(--text-dim); margin-top: 10px; }

/* Anchor-set timeline — sticky row of N cells above stage, shows per-anchor status */
.anchor-timeline { display: flex; gap: 3px; margin: 10px 0 14px; padding: 6px 8px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow-x: auto; }
.anchor-timeline .tl-cell { flex: 1; min-width: 42px; height: 30px; border-radius: 4px; position: relative; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 0.68rem; color: var(--text-muted); font-weight: 600; border: 1px solid var(--border); background: var(--bg); transition: transform 0.1s, border-color 0.1s; }
.anchor-timeline .tl-cell:hover { transform: translateY(-1px); border-color: var(--accent); color: var(--text); }
.anchor-timeline .tl-cell.state-pending { opacity: 0.4; }
.anchor-timeline .tl-cell.state-generated { background: rgba(234,179,8,0.18); border-color: #a16207; color: #fde68a; }
.anchor-timeline .tl-cell.state-rejected { background: rgba(239,68,68,0.18); border-color: #b91c1c; color: #fecaca; }
.anchor-timeline .tl-cell.state-auto-accepted { background: rgba(59,130,246,0.18); border-color: var(--blue); color: #bfdbfe; }
.anchor-timeline .tl-cell.state-user-accepted { background: rgba(74,222,128,0.22); border-color: var(--green); color: #bbf7d0; }
.anchor-timeline .tl-cell.state-user-rejected { background: #3a3a3a; border-color: #555; color: #999; }
.anchor-timeline .tl-cell.is-next { border-color: var(--accent); border-width: 2px; box-shadow: 0 0 0 2px rgba(217,119,6,0.25); animation: pulse-border 1.6s infinite; }
@keyframes pulse-border { 0%,100% { box-shadow: 0 0 0 2px rgba(217,119,6,0.25); } 50% { box-shadow: 0 0 0 4px rgba(217,119,6,0.45); } }
.anchor-timeline .tl-legend { font-size: 0.62rem; color: var(--text-dim); margin-top: 4px; padding-left: 4px; white-space: nowrap; display: flex; gap: 10px; flex-wrap: wrap; }

/* Frame-card state ring — thicker border per state (expanded mode only) */
.frame-card.fs-pending { border-left: 4px solid #444; }
.frame-card.fs-generated { border-left: 4px solid #ca8a04; }
.frame-card.fs-rejected { border-left: 4px solid #b91c1c; }
.frame-card.fs-auto-accepted { border-left: 4px solid var(--blue); }
.frame-card.fs-user-accepted { border-left: 4px solid var(--green); }
.frame-card.fs-user-rejected { border-left: 4px solid #555; opacity: 0.75; }
.frame-state-pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.3px; margin-left: 4px; }
.frame-state-pill.fs-pending { background: #2a2a2a; color: #aaa; }
.frame-state-pill.fs-generated { background: rgba(234,179,8,0.2); color: #fde68a; }
.frame-state-pill.fs-rejected { background: rgba(239,68,68,0.18); color: #fecaca; }
.frame-state-pill.fs-auto-accepted { background: rgba(59,130,246,0.18); color: #bfdbfe; }
.frame-state-pill.fs-user-accepted { background: rgba(74,222,128,0.22); color: #bbf7d0; }
.frame-state-pill.fs-user-rejected { background: #3a3a3a; color: #aaa; }

/* Accept button — visual prominence in expanded mode */
.accept-btn { background: transparent; color: var(--green); border: 1px solid var(--green); border-radius: var(--radius-sm); padding: 6px 14px; font-size: 0.82rem; font-weight: 600; cursor: pointer; transition: all 0.15s; }
.accept-btn:hover { background: rgba(74,222,128,0.15); }
.accept-btn.accepted { background: var(--green); color: #000; cursor: default; }
.accept-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* «Next suggest» pill that appears after Accept — inline, invites next-anchor launch */
.next-suggest { display: flex; gap: 10px; align-items: center; margin: 12px 0 4px; padding: 10px 14px; background: rgba(74,222,128,0.10); border: 1px solid var(--green); border-radius: var(--radius-sm); font-size: 0.86rem; color: var(--green); }
.next-suggest .ns-next { color: var(--text); font-weight: 600; }
.next-suggest .btn { margin-left: auto; }

/* Refs chain arrow visualization inside refs block */
.chain-arrow { display: inline-block; color: var(--text-dim); font-size: 1.1rem; margin: 0 6px; }
.chain-viz { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; font-size: 0.78rem; color: var(--text-muted); padding: 8px 10px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 10px; }
.chain-viz .chain-node { background: var(--bg-card); border: 1px solid var(--border); border-radius: 4px; padding: 2px 8px; color: var(--text); font-weight: 600; cursor: pointer; }
.chain-viz .chain-node:hover { border-color: var(--accent); }
.chain-viz .chain-node.current { background: rgba(217,119,6,0.18); border-color: var(--accent); color: var(--accent); }

/* Composed-prompt fragment tabs */
.prompt-tabs { display: flex; gap: 4px; margin-bottom: 6px; border-bottom: 1px solid var(--border); padding-bottom: 2px; }
.prompt-tabs button { background: transparent; color: var(--text-muted); border: 0; padding: 4px 10px; font-size: 0.72rem; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.prompt-tabs button:hover { color: var(--text); }
.prompt-tabs button.active { color: var(--accent); border-bottom-color: var(--accent); }

/* Copy-snapshot button */
.snapshot-btn { background: transparent; color: var(--blue); border: 1px solid var(--blue); border-radius: var(--radius-sm); padding: 6px 12px; font-size: 0.78rem; cursor: pointer; }
.snapshot-btn:hover { background: rgba(59,130,246,0.12); }
.snapshot-btn.copied { background: var(--blue); color: #fff; }

/* Stale translation indicator */
.lang-stale { display: inline-flex; align-items: center; gap: 4px; font-size: 0.65rem; color: #f59e0b; font-style: italic; }
.lang-stale::before { content: "●"; font-size: 0.8rem; }

/* Backward-regen dropdown inside frame-card action row */
.backward-regen { position: relative; display: inline-block; }
.backward-regen summary { list-style: none; cursor: pointer; background: transparent; color: var(--text-muted); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 6px 10px; font-size: 0.76rem; }
.backward-regen summary::-webkit-details-marker { display: none; }
.backward-regen summary:hover { border-color: var(--accent); color: var(--text); }
.backward-regen .br-menu { position: absolute; top: calc(100% + 4px); left: 0; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 6px; z-index: 10; min-width: 220px; max-height: 260px; overflow-y: auto; box-shadow: 0 6px 18px rgba(0,0,0,0.4); }
.backward-regen .br-menu button { display: block; width: 100%; text-align: left; background: transparent; color: var(--text); border: 0; padding: 6px 8px; font-size: 0.78rem; cursor: pointer; border-radius: 4px; }
.backward-regen .br-menu button:hover { background: var(--bg-hover); }

/* Create-tuning modal — minimal form */
.ct-modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.78); display: none; align-items: flex-start; justify-content: center; z-index: 2100; padding: 80px 20px; overflow-y: auto; }
.ct-modal-backdrop.open { display: flex; }
.ct-modal { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; max-width: 560px; width: 100%; color: var(--text); }
.ct-modal h3 { margin: 0 0 6px; font-size: 1.1rem; font-weight: 600; }
.ct-modal .ct-sub { color: var(--text-muted); font-size: 0.82rem; margin-bottom: 14px; }
.ct-modal label { display: block; font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.6px; margin: 12px 0 4px; }
.ct-modal input[type="text"], .ct-modal select, .ct-modal textarea { width: 100%; padding: 10px 12px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-size: 0.92rem; font-family: inherit; }
.ct-modal textarea { min-height: 80px; resize: vertical; }
.ct-modal .ct-row { display: flex; gap: 10px; margin-top: 18px; justify-content: flex-end; }
.ct-modal .ct-note { font-size: 0.76rem; color: var(--text-dim); background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 10px; margin-top: 8px; }

/* Regen-advanced (Edit & regenerate) — explanatory notes panel */
.ra-modal .ra-help { background: rgba(59,130,246,0.08); border: 1px solid var(--blue); border-radius: var(--radius-sm); padding: 8px 10px; font-size: 0.78rem; color: var(--text); margin-top: 12px; }
.ra-modal .ra-help b { color: var(--blue); }
.ra-modal .ra-help ul { margin: 4px 0 0 16px; padding: 0; }
.ra-modal .ra-help li { margin: 2px 0; }