*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:#f4f6fa;color:#192133}
a{color:#0b63ce;text-decoration:none}a:hover{text-decoration:underline}
.layout{display:grid;grid-template-columns:280px 1fr;min-height:100vh}
.sidebar{background:#0f1725;color:#fff;padding:20px}
.sidebar h1{margin:0 0 4px;font-size:22px}
.sidebar .version{opacity:.85;font-size:13px;margin-bottom:18px}
.sidebar a{display:block;color:#fff;background:rgba(255,255,255,.06);padding:10px 12px;border-radius:10px;margin-bottom:8px}
.content{padding:24px}
.card{background:#fff;border-radius:16px;padding:20px;box-shadow:0 4px 16px rgba(0,0,0,.08);margin-bottom:18px}
.btn{display:inline-block;background:#0b63ce;color:#fff;border:none;border-radius:10px;padding:12px 16px;cursor:pointer}
.btn.secondary{background:#5b6679}.btn.danger{background:#bf2d20}.btn.small{padding:8px 11px;font-size:13px}
.flash{padding:12px;border-radius:10px;margin-bottom:14px}.flash.success{background:#e8f8ed;color:#155b2a}.flash.error{background:#fdeceb;color:#931d16}
input,select,textarea{width:100%;padding:12px;border:1px solid #d8e0ea;border-radius:10px;font:inherit}
textarea{min-height:120px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
table{width:100%;border-collapse:collapse}
th,td{padding:10px;border-bottom:1px solid #eef2f7;vertical-align:top;text-align:left}
.badge{display:inline-block;padding:5px 8px;border-radius:999px;font-size:12px;background:#eef4ff;color:#0b63ce}
.hero .lead{font-size:18px;line-height:1.5}
.benefits{padding-left:18px}
.pagination a,.pagination span{display:inline-block;padding:8px 10px;border:1px solid #d8e0ea;border-radius:8px;margin-right:8px}
.code{background:#0f1725;color:#d9e4f3;padding:12px;border-radius:10px;overflow:auto}
@media (max-width:900px){.layout{grid-template-columns:1fr}.content{padding:14px}.row,.row-3,.form-grid{grid-template-columns:1fr}}