.color-lab {
    margin: 0 0 2.25rem;
    padding: 1rem 1.1rem 1.2rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--surface-warm);
}

/* Several tool blocks set their own display, which would otherwise override
   the user-agent styling of the hidden attribute. */
.color-lab [hidden] {
    display: none !important;
}

.color-lab .color-lab__heading {
    margin: 0 0 0.35rem;
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--primary-color);
}

.color-lab__intro {
    margin: 0 0 0.9rem;
    font-size: 0.92rem;
    line-height: 1.45;
    color: var(--text-light);
}

.color-lab__body {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.color-lab__stage {
    position: relative;
    flex: 1 1 auto;
    min-width: 0;
    border-radius: 8px;
    overflow: hidden;
    background: #e8e1da;
}

.color-lab__stage canvas {
    display: block;
    width: 100%;
    height: auto;
}

.color-lab__stage canvas[data-photo] {
    cursor: none;
    touch-action: none;
}

.color-lab__stage canvas[data-overlay] {
    position: absolute;
    inset: 0;
    height: 100%;
    pointer-events: none;
}

.color-lab__error {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 1rem;
    text-align: center;
    font-size: 0.95rem;
    color: var(--text-color);
    background: var(--bg-light);
}

.color-lab__panel {
    display: flex;
    flex: 0 0 232px;
    flex-direction: column;
    gap: 0.65rem;
}

.color-lab__group-label {
    display: block;
    margin-bottom: 0.3rem;
    font-size: 0.8rem;
    color: var(--text-light);
}

.color-lab__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}

.color-lab__chip input {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    clip-path: inset(50%);
    overflow: hidden;
}

.color-lab__chip span {
    display: inline-block;
    padding: 0.22rem 0.6rem;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    background: #fff;
    font-size: 0.82rem;
    line-height: 1.25;
    color: var(--text-color);
    cursor: pointer;
    user-select: none;
}

.color-lab__chip input:checked + span {
    border-color: var(--accent-color);
    background: var(--accent-soft);
    color: var(--accent-hover);
}

.color-lab__chip input:focus-visible + span {
    outline: 3px solid var(--accent-focus);
    outline-offset: 1px;
}

.color-lab__wheel {
    align-self: center;
    width: 216px;
    max-width: 100%;
    touch-action: none;
    cursor: grab;
}

.color-lab--idle .color-lab__wheel,
.color-lab--idle .color-lab__slider--lightness {
    opacity: 0.45;
}

.color-lab__controls {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.color-lab__slider {
    display: block;
    font-size: 0.82rem;
    color: var(--text-light);
}

.color-lab__slider input {
    display: block;
    width: 100%;
    margin-top: 0.15rem;
    accent-color: var(--accent-color);
}

.color-lab__slider--lightness input {
    appearance: none;
    -webkit-appearance: none;
    height: 14px;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 7px;
    background: linear-gradient(to right, #000, #808080, #fff);
}

.color-lab__slider--lightness input::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(0, 0, 0, 0.45);
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
    cursor: pointer;
}

.color-lab__slider--lightness input::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(0, 0, 0, 0.45);
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
    cursor: pointer;
}

.color-lab__areas-row {
    margin-top: 0.75rem;
}

.color-lab__areas {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: center;
}

.color-lab__edit-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.color-lab__edit-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.3rem 0.25rem 0.45rem;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    background: #fff;
    font-size: 0.82rem;
    color: var(--text-light);
    cursor: pointer;
}

.color-lab__edit-chip[aria-pressed="true"] {
    border-color: var(--accent-color);
    background: var(--accent-soft);
}

.color-lab__edit-chip i {
    width: 18px;
    height: 18px;
    border: 1px solid rgba(0, 0, 0, 0.18);
    border-radius: 50%;
}

.color-lab__edit-chip button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    font-size: 0.95rem;
    line-height: 1;
    color: var(--text-light);
    cursor: pointer;
}

.color-lab__edit-chip button:hover {
    background: rgba(var(--accent-color-rgb), 0.16);
    color: var(--accent-hover);
}

.color-lab__toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.color-lab__button {
    padding: 0.4rem 0.85rem;
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    background: #fff;
    font-size: 0.88rem;
    line-height: 1.2;
    color: var(--text-color);
    cursor: pointer;
}

.color-lab__button:hover {
    border-color: var(--accent-color);
    background: var(--accent-soft);
}

.color-lab__button:focus-visible {
    outline: 3px solid var(--accent-focus);
    outline-offset: 1px;
}

.color-lab__button[aria-pressed="true"] {
    border-color: var(--accent-color);
    background: var(--accent-soft);
    color: var(--accent-hover);
}

@media (max-width: 779.9px) {
    .color-lab {
        padding: 0.85rem 0.8rem 1rem;
    }

    .color-lab__body {
        flex-direction: column;
    }

    .color-lab__panel {
        flex-basis: auto;
        width: 100%;
    }
}