:root{--bg:#ffffff;--muted:#666;--accent:#0b5;--border:#e6e6e6}
*{box-sizing:border-box}
body{font-family:Inter,system-ui,Arial,sans-serif;line-height:1.4;margin:24px;background:var(--bg);color:#111}
header h1{margin:.2rem 0}
.lead{margin:0;color:var(--muted)}
.controls{margin:16px 0;padding:12px;border:1px solid var(--border);border-radius:8px;background:#fafafa}
.control-row{display:flex;gap:12px;flex-wrap:wrap}
label{font-size:14px;color:#222}
input[type="text"],select,input{padding:6px 8px;border:1px solid var(--border);border-radius:6px}
button{padding:6px 10px;border-radius:6px;border:1px solid var(--border);background:#fff}
table{width:100%;border-collapse:collapse;margin-top:12px}
th,td{padding:8px 10px;border-bottom:1px solid var(--border);text-align:left;font-size:14px}
th{background:#f6f6f6}
tr:hover td{background:#fbfbfb}
.hidden{display:none}
#stats{margin-top:8px;color:var(--muted)}
footer{margin-top:18px;color:var(--muted);font-size:13px}