* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, sans-serif; color: #1f2937; background: #f3f4f6; }
header { display: flex; justify-content: space-between; align-items: center; padding: 12px 24px; background: #1e3a8a; color: #fff; }
header h1 { margin: 0; font-size: 18px; }
main { max-width: 960px; margin: 24px auto; padding: 0 16px; }
section { background: #fff; padding: 20px; border-radius: 8px; margin-bottom: 16px; box-shadow: 0 1px 2px rgba(0,0,0,.08); }
h2 { margin-top: 0; font-size: 17px; }
form { display: flex; gap: 12px; flex-wrap: wrap; align-items: end; }
label { display: flex; flex-direction: column; font-size: 13px; gap: 4px; }
input { padding: 8px 10px; border: 1px solid #d1d5db; border-radius: 6px; font-size: 15px; }
button { padding: 8px 14px; border: 0; border-radius: 6px; background: #2563eb; color: #fff; cursor: pointer; font-size: 14px; }
button.secondary { background: #6b7280; }
button.danger { background: #dc2626; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid #e5e7eb; }
td button { margin-right: 4px; }
pre { background: #111827; color: #a7f3d0; padding: 12px; border-radius: 6px; overflow: auto; white-space: pre-wrap; }
#msg { min-height: 1.5em; color: #b91c1c; }
#msg.ok { color: #047857; }
#docs-msg { min-height: 1.5em; color: #b91c1c; font-weight: 600; }
#docs-msg.ok { color: #047857; }
button:disabled { opacity: .45; cursor: not-allowed; }
.hint { color: #4b5563; max-width: 70ch; }
a.back { color: #bfdbfe; margin-right: 12px; }
.panel { border-top: 1px solid #e5e7eb; padding-top: 8px; margin-top: 12px; }
h4 { margin: 8px 0; }
#backup-msg { margin-left: 8px; font-weight: 600; }