:root {
    --bg: #fafaf7;
    --fg: #1f1f1f;
    --muted: #666;
    --border: #ddd;
    --accent: #a33;
    --link: #2a55a0;
    --error: #b22;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.45;
}

a {
    color: var(--link);
    text-decoration: none;
}
a:hover { text-decoration: underline; }

.topbar {
    background: #fff;
    border-bottom: 1px solid var(--border);
}
.topbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.brand {
    font-weight: 700;
    font-size: 18px;
    color: var(--fg);
}
.topbar nav {
    display: flex;
    align-items: center;
    gap: 16px;
}
.topbar .who { color: var(--muted); font-size: 13px; }
.topbar form.logout { margin: 0; display: inline; }
.topbar form.logout button {
    background: none;
    border: none;
    color: var(--link);
    cursor: pointer;
    font: inherit;
    padding: 0;
}
.topbar form.logout button:hover { text-decoration: underline; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

h1 { font-size: 24px; margin: 0 0 8px; }
h2 { font-size: 18px; margin: 24px 0 8px; }
p.description { color: var(--muted); margin: 0 0 16px; }

ul.scenario-meta {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 14px;
}

table {
    border-collapse: collapse;
    width: 100%;
    background: #fff;
    border: 1px solid var(--border);
    margin-bottom: 16px;
    font-size: 13px;
}
th, td {
    padding: 6px 10px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}
th { background: #f2f2ee; font-weight: 600; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

table.headline { max-width: 600px; }
table.headline th { width: 60%; }

table.monthly th, table.monthly td { padding: 4px 8px; font-size: 12px; }

.chart {
    width: 100%;
    height: 380px;
    background: #fff;
    border: 1px solid var(--border);
    margin-bottom: 16px;
}

details summary { cursor: pointer; }
details summary h2 { display: inline-block; margin: 16px 0 0; }

.error { color: var(--error); }

.login-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 320px;
    margin-top: 16px;
}
.login-form label { display: flex; flex-direction: column; font-size: 13px; color: var(--muted); }
.login-form input {
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font: inherit;
}
.login-form button {
    padding: 8px;
    border: 1px solid var(--accent);
    background: var(--accent);
    color: white;
    border-radius: 4px;
    cursor: pointer;
    font: inherit;
}