*{box-sizing:border-box}
body{margin:0;font-family:Segoe UI,Arial,sans-serif;background:#f2f4f8;color:#222}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}
.card{background:#fff;border-radius:8px;box-shadow:0 1px 4px rgba(0,0,0,.15);padding:20px}
.login-card{width:360px}
h1{font-size:20px;margin:0 0 16px}
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;margin-bottom:4px;color:#444}
input,select{width:100%;padding:8px;border:1px solid #ccc;border-radius:4px;font-size:14px}
.btn{padding:8px 14px;border:none;border-radius:4px;background:#e2e6ea;cursor:pointer;font-size:14px}
.btn.primary{background:#1a56db;color:#fff}
.btn.danger{background:#dc3545;color:#fff}
.btn.small{padding:4px 8px;font-size:12px}
.error{color:#c00;font-size:13px;min-height:18px;margin-bottom:8px}
.muted{color:#777}
.small{font-size:12px}
.shell{display:flex;min-height:100vh}
.sidebar{width:230px;background:#101c33;color:#fff;display:flex;flex-direction:column}
.brand{padding:16px;font-weight:600;border-bottom:1px solid #22335a}
#nav{flex:1;padding:8px}
#nav a{display:block;color:#cfd8ea;text-decoration:none;padding:10px 12px;border-radius:4px;margin-bottom:2px}
#nav a.active,#nav a:hover{background:#1a56db;color:#fff}
.sidebar-footer{padding:12px;border-top:1px solid #22335a}
.main{flex:1;padding:20px}
.page h2{margin:0 0 16px;font-size:20px}
.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.cards .label{font-size:12px;color:#777}
.cards .value{font-size:16px;font-weight:600;margin-top:4px}
.table-wrap{overflow:auto;background:#fff;border-radius:8px;box-shadow:0 1px 4px rgba(0,0,0,.1);padding:8px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:8px;border-bottom:1px solid #eee;vertical-align:top}
th{background:#f7f9fc}
.actions button{margin-right:4px}
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;padding:16px}
.modal{width:640px;max-width:100%;max-height:90vh;overflow:auto}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
.checks{max-height:140px;overflow:auto;border:1px solid #ddd;border-radius:4px;padding:8px}
.check{display:block;margin-bottom:4px;font-size:14px}
.check input{width:auto;margin-right:6px}
.row{display:flex;gap:8px}
.row.end{justify-content:flex-end}
.inline{max-width:320px}
@media(max-width:700px){.shell{flex-direction:column}.sidebar{width:100%}}
.nav-parent{cursor:pointer}
.nav-children{display:none;padding-left:14px}
.nav-children.open{display:block}