:root { color-scheme: light dark; }
body { font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; margin: 24px; }
.wrap { max-width: 940px; margin: 0 auto; }
h1 { margin-bottom: 10px; }
nav a { margin-right: 12px; text-decoration: none; color: #0366d6; }
form { display: grid; gap: 14px; margin-top: 12px; }
label { font-weight: 600; }
input[type="text"], input[type="email"], input[type="file"], input[type="password"] {
  width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 6px; font-size: 16px;
}
button { padding: 10px 16px; border: 0; border-radius: 8px; background: #111; color: #fff; cursor: pointer; }
.msg { padding: 12px 14px; border-radius: 8px; margin-bottom: 12px; }
.error { background: #ffe8e6; color: #7a1010; }
.ok { background: #e7f8ec; color: #0b6b3a; }
small.help { color: #555; display: block; margin-top: 4px; }
.table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.table th, .table td { border: 1px solid #ccc; padding: 8px; text-align: left; }
.table th { background: #f5f5f5; }
.radio-group label { font-weight: 400; margin-right: 10px; }
.actions { display: flex; gap: 10px; align-items: center; }