:root {
    --or-ink: #10161d;
    --or-muted: #566576;
    --or-accent: #55aaff;
    --or-surface: #ffffff;
    --or-bg: #f4f8fb;
    --or-line: rgba(16, 22, 29, 0.12);
    --or-font: "Barlow", "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

html,
body {
    margin: 0;
    min-height: 100%;
    background: linear-gradient(180deg, #fbfdff 0%, var(--or-bg) 100%);
    color: var(--or-ink);
    font-family: var(--or-font);
}

body {
    min-height: 100vh;
}

a {
    color: inherit;
}

.shell {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

.sidebar {
    padding: 1.5rem;
    border-right: 1px solid var(--or-line);
    background: rgba(255, 255, 255, 0.9);
}

.sidebar nav {
    display: grid;
    gap: 0.5rem;
    margin-top: 2rem;
}

.sidebar nav a {
    text-decoration: none;
    padding: 0.7rem 0.85rem;
    border-radius: 8px;
    background: var(--or-surface);
    border: 1px solid var(--or-line);
}

.content {
    padding: 1.5rem;
    display: grid;
    gap: 1rem;
}

.panel {
    padding: 1.25rem;
    background: var(--or-surface);
    border: 1px solid var(--or-line);
    border-radius: 8px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.eyebrow {
    margin: 0 0 0.5rem;
    text-transform: uppercase;
    font-size: 0.75rem;
    color: var(--or-accent);
    font-weight: 700;
    letter-spacing: 0.04em;
}

.lede {
    margin: 0;
    color: var(--or-muted);
}

@media (max-width: 900px) {
    .shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        border-right: 0;
        border-bottom: 1px solid var(--or-line);
    }

    .grid {
        grid-template-columns: 1fr;
    }
}