:root {
    --bg: #f7f7f5;
    --fg: #1d1d1f;
    --muted: #5f6368;
    --card: #ffffff;
    --line: #e2e2de;
    --accent: #6f8eaa;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #121214;
        --fg: #ececee;
        --muted: #a1a1a8;
        --card: #1c1c20;
        --line: #2c2c31;
        --accent: #8fb0cc;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

main {
    max-width: 760px;
    margin: 0 auto;
    padding: 56px 16px 64px;
}

h1 { font-size: 1.9rem; margin: 0 0 8px; }
p { color: var(--muted); margin: 0 0 16px; }
a { color: var(--accent); }

ol.attempts {
    list-style: none;
    padding: 0;
    margin: 32px 0;
    display: grid;
    gap: 12px;
}

ol.attempts a {
    display: block;
    padding: 16px 20px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 10px;
    color: var(--fg);
    text-decoration: none;
}

ol.attempts a:hover,
ol.attempts a:focus-visible { border-color: var(--accent); }

ol.attempts strong { display: block; font-size: 1.05rem; }
ol.attempts span { color: var(--muted); font-size: 0.95rem; }

.back {
    display: inline-block;
    margin-top: 8px;
    padding: 10px 18px;
    border-radius: 8px;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
}