.color-mixer-hero,
.color-mixer-panel,
.source-card,
.output-card,
.mixed-preview,
.mix-balance-badge,
.result-chip,
.palette-swatch {
    transition: background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
}

.color-mixer-hero {
    max-width: 720px;
}

.color-mixer-hero .lead {
    white-space: nowrap;
}

.color-mixer-panel {
    border-radius: 1.75rem;
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--bs-card-bg, #fff) 97%, white) 0%, color-mix(in srgb, var(--bs-card-bg, #fff) 94%, #f8fafc) 100%),
        linear-gradient(120deg, rgba(255, 122, 89, 0.14), rgba(108, 92, 231, 0.14));
    border: 1px solid color-mix(in srgb, var(--bs-border-color, #dee2e6) 84%, transparent);
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
}

.source-card {
    height: 100%;
    padding: 1.25rem;
    border-radius: 1.25rem;
    border: 1px solid rgba(148, 163, 184, 0.22);
}

.source-card-a {
    background: linear-gradient(160deg, rgba(255, 122, 89, 0.14), color-mix(in srgb, var(--bs-card-bg, #fff) 96%, white));
}

.source-card-b {
    background: linear-gradient(160deg, rgba(108, 92, 231, 0.14), color-mix(in srgb, var(--bs-card-bg, #fff) 96%, white));
}

.mix-control {
    background: transparent;
}

.mix-balance-badge,
.result-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--bs-secondary-bg, #f1f5f9) 82%, transparent);
    color: var(--bs-body-color);
    font-weight: 700;
}

.mixed-preview {
    min-height: 190px;
    border-radius: 1.5rem;
    border: 1px solid rgba(148, 163, 184, 0.22);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.output-grid {
    display: grid;
    gap: 0.9rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.output-card {
    padding: 1rem;
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 1.1rem;
    background: color-mix(in srgb, var(--bs-card-bg, #fff) 86%, transparent);
}

.output-value {
    color: var(--bs-body-color);
    font-size: 1.1rem;
    font-weight: 700;
    word-break: break-word;
}

.output-value-small {
    font-size: 0.98rem;
}

.palette-steps {
    display: grid;
    gap: 0.85rem;
}

.palette-step {
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr) auto;
    gap: 0.85rem;
    align-items: center;
}

.palette-swatch {
    height: 56px;
    border-radius: 1rem;
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.palette-meta {
    min-width: 0;
}

.palette-label {
    color: var(--bs-secondary-color);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.palette-hex {
    color: var(--bs-body-color);
    font-size: 1rem;
    font-weight: 700;
}

#preset-list .btn {
    border-radius: 999px;
}

#gradient-css {
    resize: vertical;
    min-height: 88px;
}

[data-bs-theme="dark"] .color-mixer-panel {
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--bs-card-bg, #111827) 96%, #1f2937) 0%, color-mix(in srgb, var(--bs-card-bg, #111827) 89%, #0f172a) 100%),
        linear-gradient(120deg, rgba(255, 122, 89, 0.1), rgba(108, 92, 231, 0.14));
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.26);
}

[data-bs-theme="dark"] .source-card {
    border-color: color-mix(in srgb, var(--bs-border-color, #334155) 92%, transparent);
}

[data-bs-theme="dark"] .source-card-a {
    background: linear-gradient(160deg, rgba(255, 122, 89, 0.18), color-mix(in srgb, var(--bs-card-bg, #111827) 95%, #111827));
}

[data-bs-theme="dark"] .source-card-b {
    background: linear-gradient(160deg, rgba(108, 92, 231, 0.22), color-mix(in srgb, var(--bs-card-bg, #111827) 95%, #111827));
}

[data-bs-theme="dark"] .mix-balance-badge,
[data-bs-theme="dark"] .result-chip {
    background: color-mix(in srgb, var(--bs-secondary-bg, #1f2937) 76%, rgba(255, 255, 255, 0.04));
    border: 1px solid color-mix(in srgb, var(--bs-border-color, #334155) 76%, transparent);
}

[data-bs-theme="dark"] .mixed-preview {
    border-color: color-mix(in srgb, var(--bs-border-color, #334155) 90%, transparent);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 16px 34px rgba(0, 0, 0, 0.2);
}

[data-bs-theme="dark"] .output-card {
    background: color-mix(in srgb, var(--bs-card-bg, #111827) 92%, rgba(15, 23, 42, 0.92));
    border-color: color-mix(in srgb, var(--bs-border-color, #334155) 88%, transparent);
}

[data-bs-theme="dark"] .palette-swatch {
    border-color: color-mix(in srgb, var(--bs-border-color, #334155) 92%, transparent);
}

@media (max-width: 575.98px) {
    .color-mixer-hero .lead {
        white-space: normal;
    }

    .output-grid {
        grid-template-columns: 1fr;
    }

    .color-mixer-panel {
        border-radius: 1.35rem;
    }

    .palette-step {
        grid-template-columns: 72px minmax(0, 1fr);
    }

    .palette-step .copy-value {
        grid-column: 1 / -1;
        justify-self: start;
    }
}