/* Copilot Digital Logbook — support site styles.
   Plain CSS, no build step. Light/dark via prefers-color-scheme. */

:root {
    --bg: #f5f6f8;
    --card: #ffffff;
    --text: #1c1c1e;
    --muted: #6e6e73;
    --accent: #0a66d0;
    --accent-soft: #e8f0fb;
    --border: #e3e4e8;
    --warn: #b25000;
    color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #101114;
        --card: #1b1c20;
        --text: #f2f2f6;
        --muted: #9a9aa1;
        --accent: #5aa2f0;
        --accent-soft: #17263a;
        --border: #2b2c31;
        --warn: #e8964a;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

header.site {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 1.1rem 1.25rem;
}

.header-inner {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.logo {
    width: 40px;
    height: 40px;
    border-radius: 9px;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex: none;
}

.site-title { font-weight: 700; font-size: 1.05rem; }
.site-sub { color: var(--muted); font-size: 0.85rem; }

nav.site-nav { margin-left: auto; display: flex; gap: 1rem; }
nav.site-nav a { color: var(--accent); text-decoration: none; font-weight: 600; font-size: 0.95rem; }
nav.site-nav a:hover { text-decoration: underline; }

main {
    max-width: 760px;
    margin: 0 auto;
    padding: 1.5rem 1.25rem 3rem;
}

h1 { font-size: 1.7rem; margin: 0.5rem 0 0.25rem; }
.lede { color: var(--muted); margin-top: 0; }

section.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem 1.4rem;
    margin: 1.25rem 0;
}

section.card h2 {
    margin-top: 0;
    font-size: 1.2rem;
}

a { color: var(--accent); }

.contact-box {
    background: var(--accent-soft);
    border-radius: 10px;
    padding: 0.9rem 1.1rem;
    font-size: 1.02rem;
}

details {
    border-bottom: 1px solid var(--border);
    padding: 0.55rem 0;
}
details:last-of-type { border-bottom: none; }

summary {
    cursor: pointer;
    font-weight: 600;
    padding: 0.2rem 0;
}
summary:hover { color: var(--accent); }
details > p, details > ol, details > ul { margin: 0.5rem 0 0.35rem; color: var(--text); }

ol li, ul li { margin: 0.3rem 0; }

code {
    background: var(--accent-soft);
    border-radius: 5px;
    padding: 0.1rem 0.35rem;
    font-size: 0.9em;
}

table {
    border-collapse: collapse;
    width: 100%;
    font-size: 0.95rem;
}
th, td {
    text-align: left;
    padding: 0.5rem 0.6rem;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
th { color: var(--muted); font-weight: 600; }

.note {
    color: var(--muted);
    font-size: 0.9rem;
}

footer.site {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 1.25rem 2.5rem;
    color: var(--muted);
    font-size: 0.85rem;
}
footer.site a { color: var(--muted); }