:root{color-scheme:dark;--bg:#0a111c;--panel:#142033;--text:#e6edf6;--muted:#adbed3;--line:#30425b;--accent:#7ac6ff;--warn:#ffdb9c}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body.light{color-scheme:light;--bg:#edf2f8;--panel:#fff;--text:#15233a;--muted:#435572;--line:#bac8d8;--accent:#145c91;--warn:#815312}main{max-width:1100px;margin:auto;padding:24px max(24px,env(safe-area-inset-right))}header{display:flex;gap:20px;justify-content:space-between;align-items:center}h1{font-size:30px;line-height:1.2;margin:6px 0 20px}small{letter-spacing:.13em;color:var(--accent)}h2{font-size:20px;margin-top:0}section{background:var(--panel);padding:22px;margin:20px 0;border:1px solid var(--line);border-radius:12px}p,footer{color:var(--muted)}.notice{color:var(--warn);border-left:3px solid var(--warn);padding-left:14px}button,select{font:inherit;min-height:48px;padding:9px 15px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--text);margin:5px 8px 5px 0}button{cursor:pointer}button:disabled{opacity:.4;cursor:default}select{max-width:100%}label{display:block}textarea{width:100%;height:300px;background:var(--bg);color:var(--text);font:13px/1.45 ui-monospace,monospace;border:1px solid var(--line);padding:12px}pre{max-height:380px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.5 ui-monospace,monospace}table{width:100%;border-collapse:collapse;margin-top:16px}th,td{padding:10px;text-align:left;border-bottom:1px solid var(--line)}.error{color:var(--warn)}@media(max-width:650px){main{padding:16px}header{align-items:flex-start}h1{font-size:24px}section{padding:16px}th,td{padding:5px;font-size:13px}}

.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}input[type=number]{width:100%;box-sizing:border-box;padding:12px;border-radius:8px;border:1px solid #56647b;background:transparent;color:inherit;font:inherit}label{display:block;margin:8px 0}input[type=checkbox]{width:20px;height:20px;vertical-align:middle}select{min-height:44px;width:100%}[hidden]{display:none!important}@media(max-width:700px){.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:420px){.form-grid{grid-template-columns:1fr}}