:root { color-scheme: light; --bg: #f6f8fb; --text: #172033; --muted: #667085; --border: #d9e2ee; --accent: #126b68; }
* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--text); background: var(--bg); }
main { width: min(1120px, calc(100% - 32px)); margin: 0 auto; padding: 56px 0; }
h1 { margin: 0 0 8px; font-size: 32px; line-height: 1.15; }
p { margin: 0 0 24px; color: var(--muted); line-height: 1.5; }
a { color: var(--accent); }
.back { display: inline-block; margin-bottom: 24px; }
.request { padding: 24px; background: #fff; border: 1px solid var(--border); border-radius: 8px; }
label { display: block; margin: 18px 0 8px; font-size: 14px; font-weight: 700; }
input, select, textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 4px; font: inherit; color: var(--text); background: #fff; }
textarea { min-height: 200px; font-family: Consolas, Monaco, monospace; }
code, pre { font-family: Consolas, Monaco, monospace; }
code { padding: 2px 5px; border-radius: 4px; background: #e9eef5; }
pre { padding: 18px; border: 1px solid var(--border); border-radius: 4px; background: #f6f8fb; white-space: pre-wrap; overflow-wrap: anywhere; }
button { padding: 10px 16px; border: 1px solid var(--accent); border-radius: 4px; background: var(--accent); color: #fff; font: inherit; cursor: pointer; }
button:disabled { opacity: .5; cursor: not-allowed; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 20px 0; }
.check-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; margin: 18px 0; }
.check-options h2 { grid-column: 1/-1; margin: 0 0 4px; font-size: 16px; }
.check-options label { display: flex; align-items: center; gap: 8px; margin: 0; padding: 8px; border: 1px solid var(--border); border-radius: 4px; }
.check-options input { width: 16px; height: 16px; accent-color: var(--accent); }
#operation-status, #message { margin-top: 12px; }
#result { max-height: 480px; overflow: auto; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
@media (max-width: 600px) { main { padding: 28px 0; } .request { padding: 16px; } }