:root {
    color-scheme: light dark;
    --bg: #faf8f5;
    --fg: #1c1a17;
    --muted: #6b6560;
    --accent: #6b4fa0;
    --accent-fg: #ffffff;
    --card: #ffffff;
    --border: #e6e0d8;
    --danger: #b23b3b;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #17151a;
        --fg: #eee9f2;
        --muted: #a49db0;
        --accent: #b79ce8;
        --accent-fg: #17151a;
        --card: #211d28;
        --border: #322c3c;
        --danger: #e88;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--fg);
}

.top-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--card);
}

.top-nav a { color: var(--fg); text-decoration: none; }
.top-nav .brand { font-weight: 700; font-size: 1.1rem; }
.top-nav .nav-links { display: flex; gap: 1rem; }
.top-nav .nav-right { margin-left: auto; }

main { max-width: 820px; margin: 0 auto; padding: 2rem 1.5rem; }

.hero { text-align: center; padding: 3rem 1rem; }
.hero h1 { font-size: 2.4rem; margin: 0 0 .5rem; }
.hero p { color: var(--muted); font-size: 1.15rem; max-width: 34rem; margin: 0 auto; }

h1, h2 { line-height: 1.2; }
a { color: var(--accent); }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    margin: 1rem 0;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .5rem .5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; }
td.value { font-family: ui-monospace, "SF Mono", Menlo, monospace; word-break: break-all; }

form.inline { display: inline; }

label { display: block; font-size: .9rem; color: var(--muted); margin: .75rem 0 .25rem; }
input[type="text"], select {
    width: 100%;
    padding: .5rem .6rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--fg);
    font: inherit;
}

button, .button {
    font: inherit;
    padding: .5rem .9rem;
    border: none;
    border-radius: 8px;
    background: var(--accent);
    color: var(--accent-fg);
    cursor: pointer;
}
button.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); padding: .3rem .6rem; }

.flash-message { padding: .6rem 1rem; border-radius: 8px; margin: .5rem 0; }
.flash-error { background: color-mix(in srgb, var(--danger) 15%, transparent); color: var(--danger); }
.flash-info, .flash-success { background: color-mix(in srgb, var(--accent) 15%, transparent); }

footer { color: var(--muted); text-align: center; padding: 2rem 1rem; font-size: .85rem; }
.muted { color: var(--muted); }