/* Base resets, typography, and shared utilities */
* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
    color: var(--ink);
    background: var(--bg);
}

/* Prevent default header paragraph margins from shifting the title/subtitle block at narrow widths */
header p {
    margin: 0;
}

.error {
    color: var(--error);
}

.is-hidden {
    display: none !important;
}