:root { --ink: #1c1f24; --muted: #6b7280; --line: #e5e7eb; --bg: #fafafa; --card: #fff; --accent: #d6336c; --ok: #15803d; --warn: #b45309; --bad: #b91c1c; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: var(--ink); background: var(--bg); }
header { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; background: var(--card); border-bottom: 1px solid var(--line); }
header nav { display: flex; gap: 16px; align-items: center; }
header nav form { margin: 0; }
.brand { font-weight: 700; color: var(--accent); text-decoration: none; font-size: 1.1rem; }
a { color: var(--accent); }
main { max-width: 900px; margin: 0 auto; padding: 24px 20px 60px; }
h1 { font-size: 1.6rem; margin: 0 0 16px; }
h2 { font-size: 1.15rem; margin: 0 0 8px; }
h3 { font-size: 1rem; margin: 20px 0 8px; }
.hero { padding: 40px 0; max-width: 640px; }
.hero h1 { font-size: 2rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 20px; margin-bottom: 20px; }
.card.warn { border-color: var(--warn); }
.narrow { max-width: 420px; }
label { display: block; margin: 0 0 12px; font-size: 0.95rem; }
label.inline { display: inline-block; margin-right: 16px; }
input:not([type=checkbox]), select { display: block; width: 100%; margin-top: 4px; padding: 8px 10px; font: inherit; border: 1px solid #cbd5e1; border-radius: 6px; background: #fff; }
fieldset { border: 1px solid var(--line); border-radius: 6px; padding: 12px 16px; margin: 0 0 16px; }
legend { padding: 0 6px; font-weight: 600; }
button, .button { display: inline-block; padding: 8px 14px; font: inherit; font-weight: 600; color: #fff; background: var(--accent); border: 0; border-radius: 6px; cursor: pointer; text-decoration: none; }
button.quiet, .button.quiet { background: #fff; color: var(--ink); border: 1px solid #cbd5e1; }
button.danger { background: var(--bad); }
button.link { background: none; color: var(--accent); padding: 0; font-weight: 400; }
button[disabled] { opacity: 0.5; }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 8px; margin-bottom: 16px; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 0.85rem; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
table.compact td { padding: 6px 10px; font-size: 0.95rem; }
td.wrap { white-space: pre-wrap; word-break: break-word; }
.nowrap { white-space: nowrap; }
.events details { display: inline; }
.events summary { cursor: pointer; color: var(--muted); font-size: 0.85rem; display: inline; }
.events pre { font-size: 0.8rem; background: #f3f4f6; padding: 8px; border-radius: 6px; overflow-x: auto; white-space: pre-wrap; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; display: flex; flex-direction: column; }
.stat strong { font-size: 1.4rem; }
.stat .label { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.controls { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.badge { display: inline-block; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; padding: 2px 8px; border-radius: 999px; vertical-align: middle; }
.badge.test { background: #fef3c7; color: var(--warn); }
.badge.live { background: #dcfce7; color: var(--ok); }
.flash { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; padding: 10px 14px; border-radius: 6px; }
.problem { background: #fef2f2; border: 1px solid #fecaca; color: var(--bad); padding: 10px 14px; border-radius: 6px; }
.muted { color: var(--muted); font-size: 0.9rem; }
.steps { color: var(--muted); }
.chart { width: 100%; height: auto; background: var(--card); border: 1px solid var(--line); border-radius: 8px; }
.chart path { fill: none; stroke-width: 2; }
.chart .bench { stroke: #9ca3af; stroke-dasharray: 4 4; }
.chart .equity.up { stroke: var(--ok); }
.chart .equity.down { stroke: var(--bad); }
p.wrap { white-space: pre-wrap; }
.qr { display: block; image-rendering: pixelated; margin: 8px 0; }
form.row { display: flex; gap: 6px; align-items: center; }
form.row select { width: auto; margin-top: 0; }
.howto { margin: 8px 0; }
.howto summary { cursor: pointer; color: var(--accent); }
.howto ol { margin: 8px 0 0; padding-left: 20px; }
.howto li { margin: 4px 0; }
@media (max-width: 600px) { header { flex-direction: column; gap: 8px; } }