:root {
    --gnu-font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --gnu-color-ink: #111827;
    --gnu-color-muted: #5b6472;
    --gnu-color-surface: #ffffff;
    --gnu-color-subtle: #f6f8fb;
    --gnu-color-border: #dbe3ef;
    --gnu-color-primary: #175cff;
    --gnu-color-primary-strong: #0f45c9;
    --gnu-color-success: #12805c;
    --gnu-color-warning: #b76b00;
    --gnu-color-danger: #c92828;
    --gnu-focus-ring: 0 0 0 4px rgba(23, 92, 255, .18);
    --gnu-shadow-soft: 0 18px 50px rgba(17, 24, 39, .08);
    --gnu-radius-xs: 6px;
    --gnu-radius-sm: 8px;
    --gnu-radius-md: 12px;
    --gnu-radius-lg: 16px;
    --gnu-radius-xl: 20px;
    --gnu-space-page: clamp(1rem, 2vw, 2rem);
}

html {
    text-size-adjust: 100%;
}

body {
    color: var(--gnu-color-ink);
    font-family: var(--gnu-font-sans);
    background: var(--gnu-color-surface);
}

img,
svg,
video,
canvas {
    max-width: 100%;
}

a {
    text-underline-offset: .18em;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--gnu-color-primary);
    outline-offset: 3px;
    box-shadow: var(--gnu-focus-ring);
}

.skip-to-content {
    position: fixed;
    top: .75rem;
    left: .75rem;
    z-index: 2000;
    transform: translateY(-150%);
    padding: .7rem 1rem;
    border-radius: var(--gnu-radius-sm);
    background: var(--gnu-color-ink);
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    transition: transform .18s ease;
}

.skip-to-content:focus {
    transform: translateY(0);
}

.gnu-page-shell {
    min-height: 60vh;
}

.gnu-container {
    width: min(100% - (var(--gnu-space-page) * 2), 1180px);
    margin-inline: auto;
}

.gnu-card {
    border: 1px solid var(--gnu-color-border);
    border-radius: var(--gnu-radius-md);
    background: var(--gnu-color-surface);
    box-shadow: var(--gnu-shadow-soft);
}

.gnu-badge {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    min-height: 1.8rem;
    padding: .35rem .7rem;
    border-radius: 999px;
    background: #eef4ff;
    color: var(--gnu-color-primary-strong);
    font-size: .8rem;
    font-weight: 700;
    line-height: 1;
}

.gnu-empty-state {
    display: grid;
    place-items: center;
    min-height: 14rem;
    padding: 2rem;
    border: 1px dashed var(--gnu-color-border);
    border-radius: var(--gnu-radius-lg);
    background: var(--gnu-color-subtle);
    text-align: center;
}

.gnu-skeleton {
    border-radius: var(--gnu-radius-sm);
    background: linear-gradient(90deg, #eef2f7 25%, #f8fafc 37%, #eef2f7 63%);
    background-size: 400% 100%;
    animation: gnu-skeleton 1.3s ease infinite;
}

@keyframes gnu-skeleton {
    0% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0 50%;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}