:root {
    color-scheme: dark;
    --color-background: #000000;
    --color-surface: #111111;
    --color-text: #ffffff;
    --color-muted: #888888;
    --color-border: #444444;
    --color-success: #10b981;
    --color-danger: #ef4444;
    --color-sale: #ff5c5c;
    --color-sale-badge: #dc2626;
    --color-selected-background: rgba(0, 255, 0, 0.35);
    --color-selected-border: #00ff00;
    --color-highlight: rgba(0, 255, 0, 0.25);
    --font-mono: "Courier New", Courier, monospace;
}

* {
    box-sizing: border-box;
}

html {
    background: var(--color-background);
}

body {
    min-width: 320px;
    margin: 0;
    background: var(--color-background);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 14px;
    letter-spacing: 1px;
}

button,
input {
    font: inherit;
    letter-spacing: inherit;
}

button {
    color: inherit;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}