:root {
  --border: #ddd;
  --muted: #666;
  --bg: #fafafa;
  --accent: #2a5adf;
  --level-0: #b3261e;
  --level-1: #a06b00;
  --level-2: #146c2e;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: #1a1a1a;
  background: var(--bg);
  margin: 0;
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

nav.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
}
nav.topbar a { margin-right: 16px; color: var(--accent); text-decoration: none; font-weight: 600; }

h1 { font-size: 24px; margin-bottom: 4px; }
h2 { font-size: 18px; margin-top: 32px; }

fieldset {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 20px;
  background: #fff;
}
legend { font-weight: 600; padding: 0 6px; }

label { display: block; margin-top: 12px; font-size: 14px; color: #333; }
input[type=text], input[type=email], input[type=number], select, textarea {
  width: 100%;
  padding: 8px 10px;
  margin-top: 4px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
}
textarea { min-height: 160px; font-family: inherit; }

.checkbox-row { display: flex; align-items: center; gap: 8px; margin-top: 12px; }
.checkbox-row label { margin: 0; }

button, .btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  margin-top: 16px;
  margin-right: 8px;
}
button.secondary, .btn.secondary { background: #fff; color: var(--accent); border: 1px solid var(--accent); }

.score-box {
  display: flex;
  align-items: center;
  gap: 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  background: #fff;
  margin-bottom: 24px;
}
.score-number { font-size: 48px; font-weight: 700; }
.score-band { font-weight: 700; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-size: 13px; }

table { width: 100%; border-collapse: collapse; background: #fff; }
table th, table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 14px; }
table th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }

.level-0 { color: var(--level-0); font-weight: 600; }
.level-1 { color: var(--level-1); font-weight: 600; }
.level-2 { color: var(--level-2); font-weight: 600; }

.screenshot-preview { max-width: 260px; border: 1px solid var(--border); border-radius: 6px; margin-top: 8px; }
.muted { color: var(--muted); font-size: 13px; }