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18px;color:var(--on-surface);font-size:clamp(3rem,6vw,5.4rem);font-weight:400;line-height:1.08}.step-hero small{max-width:680px;color:var(--on-surface-variant);font-size:1.15rem;line-height:1.8}.step-primary,.step-footer button,.inline-run,.step-toolbar button,.portrait-regen-bar .inline-run{border-radius:4px;background:var(--login-button-bg);color:var(--login-button-text);font-size:1rem;transition:background .2s ease,transform .12s ease,opacity .2s ease}.step-primary{margin-top:42px;padding:14px 46px}.step-primary:hover,.step-footer button:hover:not(:disabled),.inline-run:hover:not(:disabled),.step-toolbar button:hover:not(:disabled),.portrait-regen-bar .inline-run:hover:not(:disabled){background:var(--login-button-hover);transform:translateY(-1px)}.step-footer{flex-shrink:0;display:flex;justify-content:flex-end;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--outline-variant);background:var(--surface);box-shadow:0 -10px 28px #0f172a0f;z-index:2}.case-app.dark .step-footer{box-shadow:0 -10px 28px #00000047}.step-footer button{min-width:160px;padding:12px 22px}.step-toolbar{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.step-toolbar button,.inline-run,.portrait-regen-bar .inline-run{padding:10px 18px}.step-toolbar button:disabled{opacity:.45;cursor:not-allowed}.witness-step{display:flex;flex-direction:column;gap:0}.step-witness-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;align-content:start}.step-witness-card{min-height:0;display:flex;flex-direction:column;padding:18px;border:1px solid var(--outline-variant);border-radius:6px;background:var(--surface-low)}.step-witness-card>div{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.step-witness-card b,.feature-columns h3,.step-summary h3,.report-step h3,.overview-card 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p{color:var(--on-surface-variant);font-size:1.02rem;line-height:1.7}.feature-columns{min-height:0;flex:1;display:grid;grid-template-columns:1fr 1fr;gap:18px}.feature-columns>div{min-height:0;overflow:auto;padding:20px;border:1px solid var(--outline-variant);border-radius:6px;background:var(--surface-low)}.feature-columns ul,.report-step ul{margin-top:14px;padding-left:22px;color:var(--on-surface-variant);line-height:1.8}.conflict-item{margin-top:16px;padding-top:16px;border-top:1px solid var(--outline-variant)}.conflict-item b{display:block;margin-bottom:8px;color:var(--on-surface);font-size:1.08rem;font-weight:400}.portrait-gen{display:flex;flex-direction:column;gap:20px}.portrait-empty{flex:1;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:18px;max-width:560px}.portrait-empty p{color:var(--on-surface-variant);font-size:1.02rem;line-height:1.7}.portrait-flow{flex-shrink:0;display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;padding:14px 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var(--outline-variant);border-radius:8px;background:var(--surface-low)}.portrait-witness-card header{color:var(--on-surface);font-size:.92rem;font-weight:700}.portrait-frame{aspect-ratio:4 / 5;overflow:hidden;border-radius:6px;background:#111827}.portrait-frame img{width:100%;height:100%;object-fit:contain}.witness-snippet{color:var(--on-surface-variant);font-size:.8rem;line-height:1.45}.portrait-composite-layout{display:grid;grid-template-columns:minmax(260px,1.1fr) minmax(220px,.9fr);gap:18px;align-items:stretch}.portrait-composite-visual{position:relative;min-height:280px;display:grid;place-items:center;overflow:hidden;border-radius:8px;background:#111827}.portrait-composite-visual img{width:100%;height:100%;max-height:420px;object-fit:contain}.composite-badge{position:absolute;top:12px;right:12px;padding:6px 12px;border-radius:999px;background:#0000009e;color:#fff;font-size:.78rem;font-weight:700}.portrait-aligned-panel{padding:16px;border:1px solid var(--outline-variant);border-radius:8px;background:var(--surface-low)}.panel-muted{color:var(--on-surface-variant);font-size:.95rem;line-height:1.6}.aligned-feature-list{display:flex;flex-direction:column;gap:8px;list-style:none}.aligned-feature-list li{padding:8px 10px;border-radius:6px;border:1px solid rgba(13,148,136,.22);background:#ccfbf159;color:var(--on-secondary-container);font-size:.92rem;line-height:1.45}.case-app.dark .aligned-feature-list li{background:#2430388c;border-color:#94a3b840}.portrait-conflict-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.portrait-conflict-card{padding:14px;border:1px solid rgba(219,39,119,.22);border-radius:8px;background:#fce7f347}.case-app.dark 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