/*
 * base.css – design-neutrale Grundlage für alle 3 UIEngine-Themes.
 * Enthält nur Mechanik (Reset, Barrierefreiheit, Utility-Klassen),
 * keine Farb-/Typo-Entscheidungen - die treffen die drei theme.css-Dateien.
 */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; }
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p, figure { margin: 0; }
button { font: inherit; cursor: pointer; border: none; background: none; }
table { border-collapse: collapse; width: 100%; }

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

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 1000;
    padding: 0.75rem 1.25rem;
    background: #111;
    color: #fff;
    border-radius: 0 0 8px 0;
}
.skip-link:focus {
    left: 0;
}

:focus-visible {
    outline: 3px solid currentColor;
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

.container {
    width: 100%;
    max-width: 1160px;
    margin-inline: auto;
    padding-inline: 1.5rem;
}

@media (max-width: 640px) {
    .container { padding-inline: 1.25rem; }
}