.page-tool--backdrop-filter-generator .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Controls beside the reacting live preview. */
.page-tool--backdrop-filter-generator .bfg-studio {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 16px;
    align-items: start;
}

.page-tool--backdrop-filter-generator .bfg-visual {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 0;
}

.page-tool--backdrop-filter-generator .bfg-preview {
    position: sticky;
    top: calc(var(--header-h) + 16px);
}

.page-tool--backdrop-filter-generator .bfg-controls__body {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.page-tool--backdrop-filter-generator .bfg-hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.82rem;
}

.page-tool--backdrop-filter-generator .bfg-hint--note {
    font-size: 0.78rem;
}

.page-tool--backdrop-filter-generator .bfg-hint code {
    padding: 0.05rem 0.3rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-xs);
    background: var(--surface-3);
    color: var(--ink-2);
    font-family: var(--font-mono);
}

/* Presets. */
.page-tool--backdrop-filter-generator .bfg-presets {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.page-tool--backdrop-filter-generator .bfg-presets .label {
    margin: 0;
}

.page-tool--backdrop-filter-generator .bfg-presets__list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.page-tool--backdrop-filter-generator .bfg-preset--active {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
}

/* Sliders. */
.page-tool--backdrop-filter-generator .bfg-filters,
.page-tool--backdrop-filter-generator .bfg-glass-settings {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 18px;
}

.page-tool--backdrop-filter-generator .bfg-filter {
    display: grid;
    gap: 3px;
    min-width: 0;
}

.page-tool--backdrop-filter-generator .bfg-filter--wide {
    grid-column: 1 / -1;
}

.page-tool--backdrop-filter-generator .bfg-filter__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    min-width: 0;
}

.page-tool--backdrop-filter-generator .bfg-filter__label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--faint);
    cursor: pointer;
}

.page-tool--backdrop-filter-generator .bfg-filter__readout {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.page-tool--backdrop-filter-generator .bfg-filter__number {
    flex: 0 0 3.9rem;
    width: 3.9rem;
    min-height: 1.9rem;
    padding: 0.1rem 0.35rem;
    border-color: var(--line);
    background: var(--surface-3);
    color: var(--ink-2);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-align: right;
}

.page-tool--backdrop-filter-generator .bfg-filter__unit {
    flex: 0 0 auto;
    min-width: 1.6rem;
    color: var(--faint);
    font-family: var(--font-mono);
    font-size: 0.68rem;
}

.page-tool--backdrop-filter-generator .bfg-filter__range {
    width: 100%;
    height: 1.6rem;
    margin: 0;
    accent-color: var(--accent);
    cursor: pointer;
}

.page-tool--backdrop-filter-generator .bfg-color {
    width: 100%;
    height: 2rem;
    padding: 0.15rem;
}

/* Advanced panels. */
.page-tool--backdrop-filter-generator .bfg-advanced {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
}

.page-tool--backdrop-filter-generator .bfg-advanced__summary {
    padding: 8px 12px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
}

.page-tool--backdrop-filter-generator .bfg-advanced__summary:hover {
    color: var(--ink);
}

.page-tool--backdrop-filter-generator .bfg-advanced__body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0 12px 12px;
}

.page-tool--backdrop-filter-generator .bfg-advanced__body .bfg-filters {
    padding-top: 0;
}

.page-tool--backdrop-filter-generator .bfg-check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.84rem;
    color: var(--ink-2);
    cursor: pointer;
}

.page-tool--backdrop-filter-generator .bfg-check input {
    accent-color: var(--accent);
}

.page-tool--backdrop-filter-generator .bfg-mono {
    font-family: var(--font-mono);
    font-size: 0.82rem;
}

.page-tool--backdrop-filter-generator .bfg-import {
    min-height: 4.5rem;
}

.page-tool--backdrop-filter-generator .bfg-message {
    min-height: 0;
    margin: 0;
    font-size: 0.78rem;
    color: var(--muted);
}

.page-tool--backdrop-filter-generator .bfg-message:empty {
    display: none;
}

.page-tool--backdrop-filter-generator .bfg-message--error {
    color: var(--danger);
}

.page-tool--backdrop-filter-generator .bfg-message--success {
    color: var(--success);
}

.page-tool--backdrop-filter-generator .bfg-message--warning {
    color: var(--warning);
}

/* Live preview. */
.page-tool--backdrop-filter-generator .bfg-preview__body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.page-tool--backdrop-filter-generator .bfg-stage {
    position: relative;
    min-height: 340px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #0f172a;
}

.page-tool--backdrop-filter-generator .bfg-scene {
    position: absolute;
    inset: -12%;
    background:
        radial-gradient(circle at 18% 22%, #ff7a59 0 13%, rgba(255, 122, 89, 0) 14%),
        radial-gradient(circle at 82% 24%, #4f9dff 0 12%, rgba(79, 157, 255, 0) 13%),
        radial-gradient(circle at 74% 82%, #ffd166 0 15%, rgba(255, 209, 102, 0) 16%),
        radial-gradient(circle at 22% 80%, #8b5cf6 0 13%, rgba(139, 92, 246, 0) 14%),
        linear-gradient(135deg, #0f172a 0%, #1e293b 52%, #334155 100%);
}

.page-tool--backdrop-filter-generator .bfg-scene::before {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.07) 0 2px,
        rgba(255, 255, 255, 0) 2px 24px
    );
}

.page-tool--backdrop-filter-generator .bfg-card {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(320px, 80%);
    padding: 22px;
    transform: translate(-50%, -50%);
    color: #ffffff;
    transition: border-radius 0.12s linear;
}

.page-tool--backdrop-filter-generator .bfg-card__eyebrow {
    margin: 0 0 4px;
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    opacity: 0.72;
}

.page-tool--backdrop-filter-generator .bfg-card__title {
    margin: 0 0 6px;
    font-size: 1.05rem;
    font-weight: 600;
}

.page-tool--backdrop-filter-generator .bfg-card__text {
    margin: 0;
    font-size: 0.78rem;
    line-height: 1.5;
    opacity: 0.85;
}

/* Output. */
.page-tool--backdrop-filter-generator .bfg-output__body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.page-tool--backdrop-filter-generator .bfg-status {
    margin: 0;
    font-size: 0.8rem;
    overflow-wrap: anywhere;
}

.page-tool--backdrop-filter-generator .bfg-code {
    min-height: 8rem;
    max-height: 18rem;
    overflow: auto;
}

.page-tool--backdrop-filter-generator .bfg-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tool--backdrop-filter-generator .bfg-about__text {
    max-width: 80ch;
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.page-tool--backdrop-filter-generator .bfg-about__text code {
    padding: 0.05rem 0.3rem;
    border-radius: var(--radius-xs);
    background: var(--surface-3);
    color: var(--ink-2);
    font-family: var(--font-mono);
}

@media (max-width: 900px) {
    .page-tool--backdrop-filter-generator .bfg-studio {
        grid-template-columns: 1fr;
    }

    .page-tool--backdrop-filter-generator .bfg-preview {
        position: static;
    }

    .page-tool--backdrop-filter-generator .bfg-stage {
        min-height: 280px;
    }
}

@media (max-width: 560px) {
    .page-tool--backdrop-filter-generator .bfg-filters,
    .page-tool--backdrop-filter-generator .bfg-glass-settings {
        grid-template-columns: 1fr;
    }
}