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

.page-tool--svg-background-generator .sbg-studio {
    display: grid;
    grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
    gap: 16px;
    align-items: start;
}

.page-tool--svg-background-generator .sbg-controls__body {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--svg-background-generator .sbg-subtitle {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--faint);
}

.page-tool--svg-background-generator .sbg-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--faint);
}

.page-tool--svg-background-generator .sbg-patterns {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.page-tool--svg-background-generator .sbg-pattern {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 8px 6px;
    border: 1px solid var(--line-2);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--ink-2);
    font: inherit;
    font-size: 0.76rem;
    cursor: pointer;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease;
}

.page-tool--svg-background-generator .sbg-pattern:hover {
    border-color: var(--line-strong);
}

.page-tool--svg-background-generator .sbg-pattern.is-active {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
    color: var(--accent);
}

.page-tool--svg-background-generator .sbg-pattern__swatch {
    width: 100%;
    height: 34px;
    border: 1px solid var(--line);
    border-radius: var(--radius-xs);
    background-color: var(--surface-2);
    background-repeat: repeat;
}

.page-tool--svg-background-generator .sbg-pattern__name {
    font-family: var(--font-mono);
    font-size: 0.72rem;
}

.page-tool--svg-background-generator .sbg-colors {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.page-tool--svg-background-generator .sbg-color {
    display: flex;
    flex-direction: column;
    gap: 7px;
    min-width: 0;
}

.page-tool--svg-background-generator .sbg-color__inputs {
    display: flex;
    gap: 8px;
    min-width: 0;
}

.page-tool--svg-background-generator .sbg-swatch {
    flex: 0 0 auto;
    width: 46px;
    min-height: 46px;
    padding: 2px;
    border: 1px solid var(--line-2);
    border-radius: var(--radius-sm);
    background: var(--surface);
    cursor: pointer;
}

.page-tool--svg-background-generator .sbg-hex {
    min-width: 0;
    font-family: var(--font-mono);
    text-transform: lowercase;
}

.page-tool--svg-background-generator .sbg-hex.is-invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px var(--danger-soft);
}

.page-tool--svg-background-generator .sbg-inline {
    display: flex;
    align-items: center;
}

.page-tool--svg-background-generator .sbg-check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--ink-2);
    font-size: 0.86rem;
    cursor: pointer;
}

.page-tool--svg-background-generator .sbg-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tool--svg-background-generator .sbg-preset {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 0.35rem 0.6rem;
    border: 1px solid var(--line-2);
    border-radius: var(--radius-pill);
    background: var(--surface);
    color: var(--ink-2);
    font: inherit;
    font-size: 0.78rem;
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.page-tool--svg-background-generator .sbg-preset:hover {
    border-color: var(--line-strong);
    background: var(--surface-2);
}

.page-tool--svg-background-generator .sbg-preset__chip {
    width: 14px;
    height: 14px;
    border: 1px solid var(--line-2);
    border-radius: 50%;
}

.page-tool--svg-background-generator .sbg-preset__chip--indigo {
    background: #4f46e5;
}

.page-tool--svg-background-generator .sbg-preset__chip--slate {
    background: #334155;
}

.page-tool--svg-background-generator .sbg-preset__chip--emerald {
    background: #059669;
}

.page-tool--svg-background-generator .sbg-preset__chip--amber {
    background: #d97706;
}

.page-tool--svg-background-generator .sbg-preset__chip--rose {
    background: #e11d48;
}

.page-tool--svg-background-generator .sbg-preset__chip--midnight {
    background: #0f172a;
}

.page-tool--svg-background-generator .sbg-preset__chip--mono {
    background: #111111;
}

.page-tool--svg-background-generator .sbg-fields {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.page-tool--svg-background-generator .sbg-control {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.page-tool--svg-background-generator .sbg-control__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.page-tool--svg-background-generator .sbg-number {
    width: 88px;
    min-height: 38px;
    padding: 0.35rem 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    text-align: right;
}

.page-tool--svg-background-generator .sbg-range {
    width: 100%;
    margin: 0;
    accent-color: var(--accent);
}

.page-tool--svg-background-generator .sbg-visual {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 0;
}

.page-tool--svg-background-generator .sbg-stage {
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background-color: var(--surface-2);
    background-image:
        linear-gradient(45deg, var(--surface-3) 25%, transparent 25%),
        linear-gradient(-45deg, var(--surface-3) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--surface-3) 75%),
        linear-gradient(-45deg, transparent 75%, var(--surface-3) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}

.page-tool--svg-background-generator .sbg-pattern-layer {
    min-height: 340px;
    background-repeat: repeat;
    background-position: 0 0;
}

.page-tool--svg-background-generator .sbg-output__body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.page-tool--svg-background-generator .sbg-status {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.78rem;
}

.page-tool--svg-background-generator .sbg-code {
    max-height: 240px;
    margin: 0;
}

.page-tool--svg-background-generator .sbg-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

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

.page-tool--svg-background-generator .sbg-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--svg-background-generator .sbg-studio {
        grid-template-columns: 1fr;
    }

    .page-tool--svg-background-generator .sbg-pattern-layer {
        min-height: 260px;
    }
}

@media (max-width: 520px) {
    .page-tool--svg-background-generator .sbg-patterns {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .page-tool--svg-background-generator .sbg-colors {
        grid-template-columns: 1fr;
    }
}