:root {
    --bg: #0f0f17;
    --panel: #181826;
    --panel-2: #1f1f31;
    --text: #eceaf6;
    --muted: #a09fb8;
    --border: #2c2c44;
    --accent: #8b7cf8;
    --accent-2: #c084fc;
    --good: #4ade80;
    --link: #a5b4fc;
    --code: #14141f;
}
@media (prefers-color-scheme: light) {
    :root {
        --bg: #f6f5fb;
        --panel: #ffffff;
        --panel-2: #f1f0f9;
        --text: #1d1b2e;
        --muted: #5f5d75;
        --border: #dedbef;
        --accent: #6d5ce7;
        --accent-2: #9333ea;
        --good: #15803d;
        --link: #4f46e5;
        --code: #edecf7;
    }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font: 16px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
}
main { max-width: 780px; margin: 0 auto; padding: 0 18px 56px; }
a { color: var(--link); }
h1 { font-size: 28px; line-height: 1.25; margin: 26px 0 8px; letter-spacing: -0.4px; }
h2 { font-size: 20px; margin: 34px 0 10px; }
h3 { font-size: 16.5px; margin: 22px 0 8px; }
p { margin: 10px 0; }
.lead { color: var(--muted); font-size: 17px; margin-bottom: 20px; }

.site-header {
    display: flex; align-items: center; justify-content: space-between;
    gap: 14px; flex-wrap: wrap;
    padding: 14px 18px; max-width: 780px; margin: 0 auto;
}
.brand {
    display: inline-flex; align-items: center; gap: 8px;
    font-weight: 700; font-size: 18px; color: var(--text); text-decoration: none;
}
.site-header nav { display: flex; gap: 4px 14px; flex-wrap: wrap; }
.site-header nav a { color: var(--muted); text-decoration: none; font-size: 14.5px; }
.site-header nav a:hover { color: var(--text); }

.calc {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px;
    margin: 18px 0;
}
.calc .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
}
.calc label { display: flex; flex-direction: column; gap: 5px; font-size: 13.5px; font-weight: 600; color: var(--muted); }
.calc input[type="number"], .calc input[type="date"], .calc select {
    font: inherit; color: var(--text);
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 9px;
    padding: 9px 11px;
    width: 100%;
}
.calc input:focus, .calc select:focus { outline: 2px solid var(--accent); border-color: transparent; }
.check-row { display: flex; align-items: center; gap: 8px; font-size: 14.5px; color: var(--text); font-weight: 500; }
.check-row input { width: 17px; height: 17px; accent-color: var(--accent); }

.result {
    margin-top: 18px;
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 14%, var(--panel)), var(--panel));
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 18px;
}
.result .big {
    font-size: 42px; font-weight: 800; letter-spacing: -1px;
    color: var(--accent-2);
    line-height: 1.1;
}
.result .big.good { color: var(--good); }
.result .caption { color: var(--muted); font-size: 14px; }

table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 15px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.4px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.assumptions {
    background: var(--code);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 4px 16px 12px;
    margin: 16px 0;
    font-size: 14px;
    color: var(--muted);
}
.assumptions summary { cursor: pointer; padding: 10px 0 6px; font-weight: 600; color: var(--text); }

.presets { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0 2px; }
.presets button {
    font: inherit; font-size: 13.5px;
    background: var(--panel-2); color: var(--text);
    border: 1px solid var(--border);
    border-radius: 999px; padding: 6px 13px; cursor: pointer;
}
.presets button:hover, .presets button.active { border-color: var(--accent); color: var(--accent-2); }

.countdown { font-size: 15px; color: var(--muted); margin: -6px 0 14px; }
.countdown strong { color: var(--accent-2); }

article { margin-top: 34px; }
article .faq p { margin: 6px 0 16px; color: var(--muted); }
.home-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; margin: 24px 0; }
.home-card {
    display: block; text-decoration: none;
    background: var(--panel); border: 1px solid var(--border);
    border-radius: 13px; padding: 16px 18px; color: var(--text);
}
.home-card:hover { border-color: var(--accent); }
.home-card .game { font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--accent-2); font-weight: 700; }
.home-card h3 { margin: 6px 0 4px; }
.home-card p { color: var(--muted); font-size: 14px; margin: 0; }

.ad-slot { min-height: 0; } /* reserved — populated when AdSense is wired up */

.site-footer {
    max-width: 780px; margin: 0 auto; padding: 22px 18px 40px;
    border-top: 1px solid var(--border);
    color: var(--muted); font-size: 13.5px;
}
.notice {
    background: color-mix(in srgb, var(--accent) 10%, var(--panel));
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: 10px; padding: 10px 14px; margin: 14px 0; font-size: 14.5px;
}
@media (max-width: 560px) {
    h1 { font-size: 23px; }
    .result .big { font-size: 34px; }
}