.gm-diffusion {
    --diff-blue: #2563eb;
    --diff-cyan: #0891b2;
    --diff-orange: #f97316;
    --diff-amber: #f59e0b;
    --diff-green: #16a34a;
    --diff-violet: #7c3aed;
    --diff-ink: #0f172a;
    --diff-muted: #64748b;
    --diff-line: #dbeafe;
    --diff-soft: #f8fbff;
    --diff-motion: cubic-bezier(.22,.61,.36,1);
}

.gm-diffusion .diffusion-hero {
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.97), rgba(239, 246, 255, 0.92)),
        linear-gradient(90deg, rgba(37, 99, 235, 0.08), rgba(249, 115, 22, 0.08));
}

.gm-diffusion .gm-status-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 12px;
}

.gm-diffusion .gm-status-pills span {
    display: inline-flex;
    min-height: 28px;
    align-items: center;
    border: 1px solid #bae6fd;
    border-radius: 999px;
    padding: 0 10px;
    color: #075985;
    background: #f0f9ff;
    font-size: 11px;
    font-weight: 900;
}

.gm-diffusion .gm-status-pills .gm-status-honest {
    border-color: #fed7aa;
    color: #9a3412;
    background: #fff7ed;
}

.gm-diffusion .gm-workbench {
    grid-template-columns: minmax(242px, 278px) minmax(0, 1fr) minmax(292px, 332px);
}

.gm-diffusion .gm-controls,
.gm-diffusion .gm-notes {
    align-content: start;
}

.gm-diffusion .gm-segmented {
    grid-template-columns: 1fr;
}

.gm-diffusion .gm-segmented button {
    min-width: 0;
}

.gm-diffusion .gm-controls .frontier-control-group,
.gm-diffusion .gm-controls .frontier-player {
    gap: 6px;
    border-radius: 10px;
    padding: 8px;
}

.gm-diffusion .gm-controls .frontier-segmented,
.gm-diffusion .gm-controls .frontier-player-buttons {
    gap: 4px;
}

.gm-diffusion .gm-controls .frontier-segmented button,
.gm-diffusion .gm-controls .frontier-player-buttons button {
    min-height: 28px;
}

.gm-diffusion .vision-field input[type="text"] {
    width: 100%;
    min-height: 38px;
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    padding: 0 10px;
    color: #172554;
    background: #ffffff;
    font-size: 12px;
    font-weight: 850;
}

.gm-diffusion .vision-field input[type="text"]:focus {
    border-color: #60a5fa;
    outline: none;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.16);
}

.gm-diffusion .gm-status-summary {
    grid-template-columns: 1fr;
}

.gm-diffusion .gm-status-summary > div {
    grid-template-columns: 96px minmax(0, 1fr);
}

.gm-diffusion .diff-notes-summary {
    margin: 0;
    padding-top: 2px;
}

.gm-diffusion .diff-sidebar-real {
    display: grid;
    gap: 8px;
    margin: 0;
    border-top: 1px solid #dbeafe;
    border-bottom: 1px solid #dbeafe;
    padding: 10px 0;
}

.gm-diffusion .diff-sidebar-real-head {
    display: grid;
    gap: 8px;
}

.gm-diffusion .diff-sidebar-real-head > div:first-child > span {
    display: block;
    color: var(--diff-cyan);
    font-size: 10px;
    font-weight: 950;
    text-transform: uppercase;
}

.gm-diffusion .diff-sidebar-real-head > div:first-child > strong {
    display: block;
    margin-top: 3px;
    color: #172554;
    font-size: 14px;
    font-weight: 950;
}

.gm-diffusion .diff-sidebar-real .diff-real-badges {
    justify-content: flex-start;
    gap: 6px;
}

.gm-diffusion .diff-sidebar-real .diff-real-badges span {
    min-height: 22px;
    padding: 0 8px;
    font-size: 10px;
}

.gm-diffusion .diff-sidebar-real .diff-real-intro {
    margin: 0;
    font-size: 11px;
    line-height: 1.55;
}

.gm-diffusion .diff-sidebar-real .diff-real-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
    margin-top: 0;
}

.gm-diffusion .diff-sidebar-real .diff-real-actions button,
.gm-diffusion .diff-sidebar-real .diff-real-actions a {
    min-height: 34px;
    padding: 0 8px;
    font-size: 11px;
}

.gm-diffusion .diff-sidebar-real .diff-real-progress {
    margin-top: 0;
}

.gm-diffusion .diff-sidebar-real .diff-real-status {
    min-height: 0;
    margin: 0;
    font-size: 11px;
}

.gm-diffusion .diff-sidebar-real .diff-real-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    margin-top: 0;
}

.gm-diffusion .diff-sidebar-real .diff-real-facts article {
    padding: 8px;
}

.gm-diffusion .diff-sidebar-real .diff-real-facts strong {
    margin-top: 3px;
    font-size: 10px;
    line-height: 1.25;
}

.gm-diffusion .gm-note-grid {
    grid-template-columns: 1fr;
}

.gm-diffusion .gm-stage-panel {
    min-height: 790px;
}

.gm-diffusion .gm-stage-player {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    border-top: 1px solid #e5eefb;
    padding: 8px 14px;
    background: #ffffff;
}

.gm-diffusion .gm-stage-player button {
    min-height: 32px;
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    padding: 0 12px;
    color: #1d4ed8;
    background: #eff6ff;
    font-size: 11px;
    font-weight: 950;
    cursor: pointer;
}

.gm-diffusion .gm-stage-player button:hover,
.gm-diffusion .gm-stage-player button:focus-visible,
.gm-diffusion .gm-stage-player button.is-active {
    border-color: var(--diff-blue);
    color: #ffffff;
    background: var(--diff-blue);
    outline: none;
}

.gm-diffusion .gm-stage-player button:disabled {
    cursor: not-allowed;
    opacity: 0.52;
}

.gm-diffusion .gm-stage-canvas {
    min-height: 660px;
}

.diffusion-stage-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(270px, 0.9fr);
    gap: 10px;
    min-height: 640px;
}

.diffusion-stage-layout section,
.diff-current-card,
.diff-condition-card,
.diff-path-card {
    border: 1px solid #dbeafe;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.07);
}

.diff-sequence-panel {
    grid-column: 1 / -1;
    padding: 12px;
}

.diff-panel-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
}

.diff-panel-heading strong {
    color: #172554;
    font-size: 13px;
    font-weight: 950;
}

.diff-panel-heading span {
    color: var(--diff-cyan);
    font-size: 10px;
    font-weight: 950;
    text-transform: uppercase;
}

.diff-sequence {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
}

.diff-phase-note {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 10px;
}

.diff-phase-note article {
    border: 1px solid #dbeafe;
    border-radius: 8px;
    padding: 8px 10px;
    background: #f8fbff;
}

.diff-phase-note strong {
    display: block;
    color: #172554;
    font-size: 11px;
    font-weight: 950;
}

.diff-phase-note span {
    display: block;
    margin-top: 4px;
    color: var(--diff-muted);
    font-size: 10px;
    font-weight: 800;
    line-height: 1.35;
}

.diff-step-card {
    display: grid;
    gap: 6px;
    min-width: 0;
    border: 1px solid #e0f2fe;
    border-radius: 8px;
    padding: 7px;
    background: #ffffff;
    transition: transform 0.22s var(--diff-motion), border-color 0.22s var(--diff-motion), box-shadow 0.22s var(--diff-motion);
}

.diff-step-card.is-active {
    border-color: var(--diff-orange);
    box-shadow: 0 12px 22px rgba(249, 115, 22, 0.14);
    transform: translateY(-2px);
}

.diff-step-card strong {
    color: #172554;
    font-size: 11px;
    font-weight: 950;
}

.diff-step-card span {
    color: var(--diff-muted);
    font-size: 9px;
    font-weight: 850;
}

.diff-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1 / 0.72;
    border: 1px solid #dbeafe;
    border-radius: 6px;
    background:
        linear-gradient(180deg, #dbeafe 0 56%, #e0f2fe 56% 100%);
    isolation: isolate;
}

.diff-img::before {
    content: "预设序列";
    position: absolute;
    z-index: 6;
    left: 5px;
    bottom: 5px;
    border: 1px solid rgba(191, 219, 254, 0.8);
    border-radius: 999px;
    padding: 2px 6px;
    color: #075985;
    background: rgba(240, 249, 255, 0.88);
    font-size: 8px;
    font-weight: 950;
}

.diff-img::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 4;
    opacity: var(--noise, 0.5);
    background:
        radial-gradient(circle at 12% 22%, rgba(15, 23, 42, 0.55) 0 2px, transparent 3px),
        radial-gradient(circle at 60% 34%, rgba(37, 99, 235, 0.42) 0 2px, transparent 3px),
        radial-gradient(circle at 38% 78%, rgba(249, 115, 22, 0.44) 0 2px, transparent 3px),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.7) 0 2px, transparent 3px);
    background-size: 15px 15px, 19px 19px, 17px 17px, 13px 13px;
    pointer-events: none;
}

.diff-img .diff-shape {
    position: absolute;
    z-index: 2;
    left: 26%;
    top: 24%;
    width: 48%;
    height: 46%;
    border-radius: 38% 44% 34% 42%;
    background: linear-gradient(135deg, #60a5fa, #2563eb);
    filter: blur(calc(var(--noise, 0.5) * 7px));
    opacity: calc(1 - var(--noise, 0.5) * 0.62);
}

.diff-img .diff-detail {
    position: absolute;
    z-index: 3;
    left: 50%;
    top: 50%;
    color: #ffffff;
    font-size: 24px;
    font-weight: 950;
    transform: translate(-50%, -50%);
    opacity: calc(1 - var(--noise, 0.5) * 0.86);
}

.diff-img--real {
    background: #0f172a;
}

.diff-img--real::before,
.diff-img--real::after {
    display: none;
}

.diff-img--real img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #0f172a;
}

.diff-img--real.is-simulated img {
    image-rendering: auto;
}

.diff-teaching-image-badge {
    position: absolute;
    z-index: 7;
    left: 5px;
    bottom: 5px;
    max-width: calc(100% - 10px);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.46);
    border-radius: 999px;
    padding: 2px 6px;
    color: #eff6ff;
    background: rgba(15, 23, 42, 0.78);
    font-size: 8px;
    font-weight: 950;
    line-height: 1.25;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.diff-img--real.is-final .diff-teaching-image-badge {
    border-color: rgba(110, 231, 183, 0.64);
    color: #d1fae5;
    background: rgba(6, 78, 59, 0.78);
}

.diff-stage-source-note {
    margin: 0 0 10px;
    border: 1px dashed #bfdbfe;
    border-radius: 8px;
    padding: 7px 9px;
    color: #475569;
    background: #f8fbff;
    font-size: 10px;
    font-weight: 800;
    line-height: 1.5;
}

.diff-stage-source-note.is-real {
    border-color: #86efac;
    color: #166534;
    background: #f0fdf4;
}

.diff-img[data-scene="cat"] {
    background: linear-gradient(180deg, #e0f2fe 0 58%, #dcfce7 58% 100%);
}

.diff-img[data-scene="cat"] .diff-shape {
    background: linear-gradient(135deg, #fbbf24, #f97316);
    border-radius: 44% 48% 38% 44%;
}

.diff-img[data-scene="street"] {
    background: linear-gradient(180deg, #dbeafe 0 50%, #cbd5e1 50% 100%);
}

.diff-img[data-scene="street"] .diff-shape {
    top: 47%;
    height: 22%;
    border-radius: 8px;
    background: linear-gradient(135deg, #38bdf8, #1d4ed8);
}

.diff-img[data-scene="flower"] {
    background: linear-gradient(180deg, #e0f2fe 0 60%, #bbf7d0 60% 100%);
}

.diff-img[data-scene="flower"] .diff-shape {
    background: radial-gradient(circle, #facc15 0 20%, #fb7185 22% 55%, #f472b6 56% 100%);
    border-radius: 45%;
}

.diff-img[data-scene="digit"] {
    background: #f8fbff;
}

.diff-img[data-scene="digit"] .diff-shape {
    background: #172554;
    border-radius: 999px;
}

.diff-img[data-scene="style"] {
    background:
        radial-gradient(circle at 24% 24%, #fef3c7 0 18%, transparent 19%),
        radial-gradient(circle at 70% 34%, #bae6fd 0 20%, transparent 21%),
        linear-gradient(135deg, #eff6ff, #fdf2f8);
}

.diff-img[data-scene="style"] .diff-shape {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.78), rgba(249, 115, 22, 0.68));
    border-radius: 38% 48% 44% 34%;
}

.diff-current-panel,
.diff-condition-panel,
.diff-sampling-panel {
    padding: 12px;
    grid-column: 1 / -1;
}

.diff-denoise-flow {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 52px minmax(0, 1fr) 52px minmax(0, 1fr);
    align-items: center;
    gap: 8px;
}

.diff-current-card {
    display: grid;
    gap: 7px;
    padding: 8px;
}

.diff-current-card strong {
    color: #172554;
    font-size: 11px;
    font-weight: 950;
}

.diff-unet {
    display: grid;
    min-height: 132px;
    place-items: center;
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    color: #1d4ed8;
    background: linear-gradient(180deg, #eff6ff, #ffffff);
    text-align: center;
}

.diff-unet strong {
    display: block;
    font-size: 14px;
    font-weight: 950;
}

.diff-unet span {
    display: block;
    margin-top: 6px;
    color: var(--diff-muted);
    font-size: 10px;
    font-weight: 850;
}

.diff-arrow {
    display: grid;
    place-items: center;
    color: #60a5fa;
    font-size: 24px;
    font-weight: 900;
}

.diff-condition-flow {
    display: grid;
    gap: 9px;
}

.diff-token-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.diff-token-row span {
    display: inline-flex;
    min-height: 24px;
    align-items: center;
    border: 1px solid #bfdbfe;
    border-radius: 999px;
    padding: 0 8px;
    color: #1d4ed8;
    background: #eff6ff;
    font-size: 10px;
    font-weight: 900;
    animation: diff-token-flow 0.54s var(--diff-motion) both;
}

.diff-condition-card {
    display: grid;
    grid-template-columns: 1fr 30px 1fr 30px 1fr;
    align-items: center;
    gap: 6px;
    padding: 10px;
}

.diff-condition-card article {
    display: grid;
    min-height: 78px;
    align-content: center;
    gap: 4px;
    border: 1px solid #e0f2fe;
    border-radius: 8px;
    padding: 8px;
    background: #ffffff;
}

.diff-condition-card article strong {
    color: #172554;
    font-size: 11px;
    font-weight: 950;
}

.diff-condition-card article span {
    color: var(--diff-muted);
    font-size: 9px;
    font-weight: 850;
}

.diff-guidance-line {
    height: 8px;
    border-radius: 999px;
    background: #e0f2fe;
}

.diff-guidance-line b {
    display: block;
    width: var(--guidance-width);
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #fbbf24, #f97316);
    transition: width 0.3s var(--diff-motion);
}

.diff-caption {
    margin: 8px 0 0;
    color: var(--diff-muted);
    font-size: 11px;
    font-weight: 800;
    line-height: 1.45;
}

.diff-sampling-paths {
    display: grid;
    gap: 8px;
}

.diff-path-row {
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr) 156px;
    align-items: center;
    gap: 8px;
}

.diff-path-seed,
.diff-path-result {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    min-height: 78px;
    align-items: center;
    gap: 8px;
    border: 1px solid #dbeafe;
    border-radius: 8px;
    padding: 6px;
    color: #172554;
    background: #ffffff;
    font-size: 10px;
    font-weight: 950;
    text-align: center;
}

.diff-path-result .diff-img {
    width: 64px;
    height: 64px;
    aspect-ratio: 1;
}

.diff-path-result .diff-img--real img {
    object-fit: cover;
}

.diff-path-result span {
    min-width: 0;
    line-height: 1.25;
}

.diff-path-line {
    position: relative;
    height: 8px;
    border-radius: 999px;
    background: #e0f2fe;
}

.diff-path-line b {
    position: absolute;
    inset: 0 auto 0 0;
    width: 72%;
    border-radius: inherit;
    background: linear-gradient(90deg, #38bdf8, #f97316);
}

.diff-stage-layout[data-display="forward"] .diff-sequence-panel,
.diff-stage-layout[data-display="reverse"] .diff-current-panel,
.diff-stage-layout[data-display="condition"] .diff-condition-panel,
.diff-stage-layout[data-display="sampling"] .diff-sampling-panel {
    border-color: var(--diff-blue);
    box-shadow: 0 16px 30px rgba(37, 99, 235, 0.12);
}

.gm-diffusion[data-frontier-step="clean"] .diff-sequence-panel,
.gm-diffusion[data-frontier-step="forward"] .diff-sequence-panel,
.gm-diffusion[data-frontier-step="schedule"] .diff-sequence-panel,
.gm-diffusion[data-frontier-step="noise"] .diff-step-card.is-active,
.gm-diffusion[data-frontier-step="denoise"] .diff-unet,
.gm-diffusion[data-frontier-step="condition"] .diff-condition-panel,
.gm-diffusion[data-frontier-step="sampling"] .diff-sampling-panel,
.gm-diffusion[data-frontier-step="output"] .diff-current-card:last-child {
    animation: diff-card-pulse 0.72s var(--diff-motion);
}

.gm-diffusion[data-frontier-step="forward"] .diff-img::after {
    animation: diff-noise-add 0.72s var(--diff-motion);
}

.gm-diffusion[data-frontier-step="denoise"] .diff-img::after,
.gm-diffusion[data-frontier-step="output"] .diff-img::after {
    animation: diff-noise-fade 0.86s var(--diff-motion);
}

.gm-diffusion[data-frontier-step="condition"] .diff-guidance-line b {
    animation: diff-guidance-pulse 0.72s var(--diff-motion);
}

.gm-compare-panel {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 12px;
    margin-top: 14px;
    border: 1px solid #dbeafe;
    border-radius: 8px;
    padding: 14px;
    background: rgba(255, 255, 255, 0.94);
}

.gm-compare-panel > div:first-child span {
    color: var(--diff-cyan);
    font-size: 10px;
    font-weight: 950;
    text-transform: uppercase;
}

.gm-compare-panel h2 {
    margin: 4px 0 0;
    color: #172554;
    font-size: 18px;
    font-weight: 950;
}

.gm-compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.gm-compare-grid article {
    border: 1px solid #e0f2fe;
    border-radius: 8px;
    padding: 10px;
    background: #f8fbff;
}

.gm-compare-grid strong {
    color: #172554;
    font-size: 13px;
    font-weight: 950;
}

.gm-compare-grid p {
    margin: 6px 0 0;
    color: var(--diff-muted);
    font-size: 11px;
    font-weight: 800;
    line-height: 1.55;
}

.diff-real-panel {
    display: grid;
    gap: 14px;
    margin-top: 14px;
    border: 1px solid #dbeafe;
    border-radius: 10px;
    padding: 16px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 251, 255, 0.96));
    box-shadow: 0 16px 32px rgba(37, 99, 235, 0.08);
}

.diff-real-panel-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.diff-real-panel-head > div:first-child span {
    color: var(--diff-cyan);
    font-size: 10px;
    font-weight: 950;
    text-transform: uppercase;
}

.diff-real-panel-head h2 {
    margin: 4px 0 0;
    color: #172554;
    font-size: 20px;
    font-weight: 950;
}

.diff-real-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
}

.diff-real-badges span {
    display: inline-flex;
    min-height: 28px;
    align-items: center;
    border: 1px solid #bfdbfe;
    border-radius: 999px;
    padding: 0 10px;
    color: #1d4ed8;
    background: #eff6ff;
    font-size: 11px;
    font-weight: 900;
}

.diff-real-grid {
    display: grid;
    grid-template-columns: minmax(320px, 0.92fr) minmax(0, 1.08fr);
    gap: 14px;
}

.diff-real-controls,
.diff-real-preview-panel {
    border: 1px solid #e0f2fe;
    border-radius: 10px;
    padding: 14px;
    background: rgba(255, 255, 255, 0.94);
}

.diff-real-intro {
    margin: 0;
    color: var(--diff-muted);
    font-size: 12px;
    font-weight: 800;
    line-height: 1.6;
}

.diff-real-seed-row {
    display: grid;
    grid-template-columns: 124px minmax(0, 1fr);
    gap: 10px;
    margin-top: 12px;
}

.diff-real-seed-field input[type="number"] {
    width: 100%;
    min-height: 38px;
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    padding: 0 10px;
    color: #172554;
    background: #ffffff;
    font-size: 12px;
    font-weight: 850;
}

.diff-real-seed-field input[type="number"]:focus {
    border-color: #60a5fa;
    outline: none;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.16);
}

.diff-real-prompt-readonly {
    min-height: 38px;
    border: 1px solid #dbeafe;
    border-radius: 8px;
    padding: 9px 10px;
    color: #172554;
    background: #f8fbff;
    font-size: 12px;
    font-weight: 850;
    line-height: 1.45;
    word-break: break-word;
}

.diff-real-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.diff-real-actions button,
.diff-real-actions a {
    display: inline-flex;
    min-height: 36px;
    align-items: center;
    justify-content: center;
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    padding: 0 12px;
    color: #1d4ed8;
    background: #eff6ff;
    font-size: 12px;
    font-weight: 900;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.18s var(--diff-motion), border-color 0.18s var(--diff-motion), background-color 0.18s var(--diff-motion), opacity 0.18s var(--diff-motion);
}

.diff-real-actions button:hover,
.diff-real-actions button:focus-visible,
.diff-real-actions a:hover,
.diff-real-actions a:focus-visible {
    border-color: var(--diff-blue);
    outline: none;
    transform: translateY(-1px);
}

.diff-real-actions [data-diff-real-action="generate"] {
    color: #ffffff;
    border-color: var(--diff-blue);
    background: linear-gradient(135deg, var(--diff-blue), var(--diff-cyan));
}

.diff-real-actions [data-diff-real-action="cancel"] {
    border-color: #fed7aa;
    color: #9a3412;
    background: #fff7ed;
}

.diff-real-actions [aria-disabled="true"],
.diff-real-actions button:disabled {
    cursor: not-allowed;
    opacity: 0.48;
    transform: none;
}

.diff-real-progress {
    height: 8px;
    margin-top: 12px;
    border-radius: 999px;
    background: #e0f2fe;
    overflow: hidden;
}

.diff-real-progress b {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #38bdf8, #2563eb, #f97316);
    transition: width 0.25s var(--diff-motion);
}

.diff-real-status {
    min-height: 38px;
    margin: 10px 0 0;
    color: var(--diff-muted);
    font-size: 12px;
    font-weight: 850;
    line-height: 1.55;
}

.diff-real-status.is-error {
    color: #b91c1c;
}

.diff-real-facts {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 12px;
}

.diff-real-facts article {
    border: 1px solid #e0f2fe;
    border-radius: 8px;
    padding: 10px;
    background: #f8fbff;
}

.diff-real-facts span {
    display: block;
    color: var(--diff-cyan);
    font-size: 10px;
    font-weight: 950;
    text-transform: uppercase;
}

.diff-real-facts strong {
    display: block;
    margin-top: 6px;
    color: #172554;
    font-size: 13px;
    font-weight: 950;
    line-height: 1.4;
}

.diff-real-preview {
    display: grid;
    min-height: 420px;
    place-items: center;
    border: 1px dashed #bfdbfe;
    border-radius: 10px;
    background:
        radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.08) 0 18%, transparent 19%),
        radial-gradient(circle at 82% 28%, rgba(249, 115, 22, 0.08) 0 20%, transparent 21%),
        linear-gradient(180deg, #f8fbff, #ffffff);
    overflow: hidden;
}

.diff-real-preview img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #ffffff;
}

.diff-real-placeholder {
    display: grid;
    max-width: 340px;
    gap: 8px;
    padding: 24px;
    text-align: center;
}

.diff-real-placeholder strong {
    color: #172554;
    font-size: 16px;
    font-weight: 950;
}

.diff-real-placeholder span {
    color: var(--diff-muted);
    font-size: 12px;
    font-weight: 800;
    line-height: 1.6;
}

@keyframes diff-token-flow {
    0% { opacity: 0; transform: translateX(-6px); }
    100% { opacity: 1; transform: translateX(0); }
}

@keyframes diff-card-pulse {
    0% { transform: translateY(0); }
    50% { transform: translateY(-2px); }
    100% { transform: translateY(0); }
}

@keyframes diff-noise-add {
    0% { opacity: 0.08; }
    100% { opacity: var(--noise, 0.5); }
}

@keyframes diff-noise-fade {
    0% { opacity: 0.8; }
    100% { opacity: var(--noise, 0.5); }
}

@keyframes diff-guidance-pulse {
    0% { filter: saturate(0.8); transform: scaleX(0.78); transform-origin: left; }
    100% { filter: saturate(1); transform: scaleX(1); transform-origin: left; }
}

@media (max-width: 1380px) {
    .gm-diffusion .gm-workbench {
        grid-template-columns: minmax(228px, 260px) minmax(0, 1fr) minmax(268px, 300px);
    }

    .diffusion-stage-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1220px) {
    .gm-diffusion .gm-workbench {
        grid-template-columns: minmax(230px, 268px) minmax(0, 1fr);
    }

    .gm-diffusion .gm-notes {
        grid-column: 1 / -1;
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .gm-diffusion .gm-notes .vision-panel-heading {
        grid-column: 1 / -1;
    }

    .gm-diffusion .gm-notes .diff-notes-summary {
        grid-column: 1 / -1;
    }

    .diff-real-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 860px) {
    body.vision-language-page-shell:has(.gm-diffusion) .sidebar-toggle {
        display: none;
    }

    body.vision-language-page-shell:has(.gm-diffusion) .ai-assistant-fab {
        display: none;
    }

    .gm-diffusion .gm-workbench {
        grid-template-columns: 1fr;
    }

    .gm-diffusion .gm-stage-panel {
        order: 1;
        min-height: 0;
    }

    .gm-diffusion .gm-controls {
        order: 2;
        position: static;
    }

    .gm-diffusion .gm-notes {
        order: 3;
        display: flex;
        grid-column: auto;
        position: static;
    }

    .gm-diffusion .gm-stage-canvas,
    .diffusion-stage-layout {
        min-height: 0;
    }

    .diff-sequence,
    .diff-denoise-flow,
    .diff-condition-card,
    .diff-phase-note,
    .gm-compare-panel,
    .gm-compare-grid,
    .diff-real-panel-head,
    .diff-real-seed-row,
    .diff-real-facts {
        grid-template-columns: 1fr;
    }

    .diff-real-badges {
        justify-content: flex-start;
    }

    .gm-diffusion .diff-sidebar-real .diff-real-facts {
        grid-template-columns: 1fr;
    }

    .diff-real-preview {
        min-height: 320px;
    }

    .diff-arrow {
        min-height: 18px;
        transform: rotate(90deg);
    }

    .diffusion-stage-layout[data-display="forward"] :is(.diff-current-panel, .diff-condition-panel, .diff-sampling-panel),
    .diffusion-stage-layout[data-display="reverse"] :is(.diff-condition-panel, .diff-sampling-panel),
    .diffusion-stage-layout[data-display="condition"] :is(.diff-sampling-panel),
    .diffusion-stage-layout[data-display="sampling"] .diff-condition-panel {
        display: none;
    }
}

@media (max-width: 560px) {
    .gm-diffusion .gm-status-pills span,
    .gm-diffusion .gm-stage-chips span {
        white-space: normal;
    }

    .diff-path-row {
        grid-template-columns: 1fr;
    }

    .diff-real-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .diff-real-actions a,
    .diff-real-actions button {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .gm-diffusion *,
    .gm-diffusion *::before,
    .gm-diffusion *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}