.theme-picker {
    position: relative;
    width: min(250px, calc(100vw - 40px));
    --picker-bg: #f4f8ff;
    --picker-ink: #21374c;
    --picker-border: #8faec7;
    --picker-hover: #e1effb;
    --picker-selected: #cde8fc;
}
body.nineties-mode .theme-picker #theme-toggle {
    box-sizing: border-box;
    width: 100%;
    height: 48px;
    min-width: 0;
    padding: 8px 12px;
    gap: 9px;
    transform: none;
    animation: none;
}
.theme-picker :is(button, span, small) { font-family: 'Segoe UI', Tahoma, sans-serif !important; }
.theme-picker .theme-toggle-text { font-size: 12px; letter-spacing: 0; text-transform: none; }
.theme-picker .theme-toggle-icon { width: 26px; height: 26px; object-fit: contain; flex: 0 0 26px; }
.theme-picker-arrow { margin-left: auto; font-size: 16px; }
.theme-menu[hidden] { display: none !important; }
.theme-menu {
    max-height: calc(100dvh - 100px);
    overflow-y: auto;
    position: absolute;
    z-index: 10040;
    top: calc(100% + 8px);
    left: 0;
    box-sizing: border-box;
    width: 100%;
    padding: 6px;
    border: 1px solid var(--picker-border);
    border-radius: 10px;
    background: var(--picker-bg);
    color: var(--picker-ink);
    box-shadow: 0 10px 30px #0005;
}
.theme-menu .theme-option {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    min-height: 62px;
    padding: 9px 8px;
    border: 1px solid transparent;
    border-radius: 6px;
    background: transparent;
    color: var(--picker-ink);
    text-align: left;
    cursor: pointer;
    box-shadow: none;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.4;
}
.theme-option img { object-fit: contain; flex: 0 0 30px; }
.theme-option[data-theme="nintendo"] img { image-rendering: pixelated; }
.theme-option small { display: block; font-size: 11px; font-weight: 400; margin-top: 3px; }
.theme-option-check { margin-left: auto; visibility: hidden; }
.theme-menu .theme-option[aria-selected="true"] { background: var(--picker-selected); }
.theme-option[aria-selected="true"] .theme-option-check { visibility: visible; }
.theme-menu .theme-option:hover { background: var(--picker-hover); }
.theme-menu .theme-option:focus-visible { outline: 2px solid var(--picker-ink); outline-offset: -2px; background: var(--picker-hover); }
body.xp-theme .theme-picker { --picker-bg: #ece9d8; --picker-border: #165ac3; --picker-hover: #dce8fa; --picker-selected: #c1d7f5; }
body.matrix-theme .theme-picker { --picker-bg: #031007; --picker-ink: #9bffad; --picker-border: #29bd52; --picker-hover: #122f1c; --picker-selected: #194b28; }
body.nintendo-theme .theme-picker { --picker-bg: #fff3df; --picker-ink: #653046; --picker-border: #e597af; --picker-hover: #ffdfeb; --picker-selected: #ffd1e2; }
@media(max-width:700px) {
    body.nineties-mode .theme-controls { position: relative !important; top: auto !important; right: auto !important; width: fit-content; margin: 0 auto 22px; }
}
@media(prefers-reduced-motion:reduce) {
    .theme-picker * { animation: none !important; transition: none !important; }
}