.pn {
    position: fixed;
    inset: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: rgba(0, 0, 0, 0.62);
}

.pn[hidden] {
    display: none;
}

.pn-box {
    width: min(560px, 100%);
    max-height: calc(100vh - 32px);
    overflow: auto;
    padding: 24px;
    background: var(--bg2);
    border: 1px solid var(--ln);
}

.pn-h {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    font: 800 22px var(--sans);
}

.mock {
    padding: 18px;
    margin-bottom: 18px;
    background: var(--bg);
    border: 1px solid var(--ln);
}

.m-tabs {
    display: flex;
    gap: 4px;
    padding-left: 6px;
}

.m-tabs i {
    width: 90px;
    height: 16px;
    background: var(--bg3);
}

.m-tabs i + i {
    background: var(--ln);
}

.m-bar {
    display: flex;
    gap: 8px;
    padding: 12px;
    background: var(--bg3);
}

.m-bar u {
    width: 10px;
    height: 10px;
    background: var(--ac);
}

.m-body {
    height: 110px;
    margin-top: 8px;
    background: var(--bg2);
    border: 1px solid var(--ln);
    border-left: 4px solid var(--ac);
}

.seg {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-bottom: 20px;
    border: 1px solid var(--ln);
}

.seg button {
    padding: 14px 6px;
    font: 500 12px var(--mono);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: background 0.2s, color 0.2s;
}

.seg button + button {
    border-left: 1px solid var(--ln);
}

.seg button.on {
    background: var(--ac);
    color: var(--on);
}

.pn-box label {
    display: block;
    margin: 6px 0 10px;
    font: 500 12px var(--mono);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--mu);
}

.pn-box input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    display: block;
    width: 100%;
    height: 40px;
    margin-bottom: 18px;
    border: 1px solid var(--ln);
    outline: 0;
    cursor: pointer;
}

#hue {
    background: linear-gradient(90deg, #e8508a, #f06000, #c0a000, #2ab040, #00b4a0, #10a0e8, #6a78ff, #b060f0, #e8508a);
}

#sat {
    background: linear-gradient(90deg, #ffffff, hsl(var(--h) 100% 55%));
}

.pn-box input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 40px;
    background: var(--bg);
    border: 2px solid var(--fg);
}

.pn-box input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 36px;
    background: var(--bg);
    border: 2px solid var(--fg);
}

.pn-f {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 6px;
}

.pn-f .ghost {
    margin-left: auto;
    border-color: transparent;
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    z-index: 40;
    padding: 14px 22px;
    font: 500 13px var(--mono);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: var(--ac);
    color: var(--on);
    transform: translate(-50%, 30px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
}

.toast.show {
    opacity: 1;
    transform: translate(-50%, 0);
}