body{margin:0;font-family:Arial,Tahoma,sans-serif;background:#f5f6f8;color:#20242a}
.app{display:flex;min-height:100vh}
.side{width:230px;background:#17212b;color:white;padding:20px;position:fixed;right:0;top:0;bottom:0;overflow:auto;box-sizing:border-box}
.brand{padding:10px;border-bottom:1px solid #34404b;margin-bottom:12px}
.brand b{font-size:20px}
.brand small{display:block;color:#bbc4cc;margin-top:6px}
.nav a,.nav button{display:block;width:100%;background:none;border:0;color:#dbe2e8;text-align:right;padding:12px;border-radius:8px;cursor:pointer;text-decoration:none;box-sizing:border-box;font:inherit}
.nav a:hover,.nav a.active,.nav button:hover{background:#263643}
.nav form{margin-top:18px}
.main{margin-right:230px;padding:28px;width:calc(100% - 230px);max-width:1400px;box-sizing:border-box}
.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:12px}
.top h1{margin:0}
.top-actions{display:flex;align-items:center;gap:10px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.card,.panel{background:white;border:1px solid #e5e7eb;border-radius:12px;padding:18px;margin-bottom:18px}
.num{font-size:28px;font-weight:bold;margin:8px 0}
.cards small,.note{color:#68737e}
.btn{background:#17212b;color:white;border:0;padding:10px 16px;border-radius:8px;cursor:pointer;text-decoration:none;display:inline-block;font:inherit}
.btn.green{background:#287d55}
.btn.light{background:#eef1f4;color:#20242a}
.btn.danger{background:#8a2424;color:white}
.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field label{display:block;font-size:13px;margin-bottom:6px}
.field input,.field select,.field textarea,.search{width:100%;padding:10px;border:1px solid #d9dde2;border-radius:8px;box-sizing:border-box;font:inherit;background:white}
.field textarea{min-height:90px}
.full{grid-column:1/-1}
.actions{margin-bottom:15px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.search{max-width:350px}
table{width:100%;border-collapse:collapse}
th,td{padding:11px;border-bottom:1px solid #eee;text-align:right;vertical-align:top}
.badge{padding:4px 8px;border-radius:20px;background:#e4f4eb;color:#226643;font-size:12px;display:inline-block}
.badge.warn{background:#fff4e5;color:#8a5a12}
.badge.muted{background:#eef1f4;color:#52606d}
.empty{text-align:center;padding:30px;color:#7b858e}
.alert{padding:12px 14px;border-radius:8px;margin-bottom:14px}
.alert.error{background:#fdecea;color:#8a2424}
.alert.success{background:#e4f4eb;color:#226643}
.field .error{color:#8a2424;font-size:12px;margin-top:4px}
.pager{display:flex;gap:12px;align-items:center;margin-top:12px}
.pager a{color:#17212b}
table a{color:#17212b;font-weight:bold;text-decoration:none}
tr.clickable{cursor:pointer}
tr.clickable:hover{background:#f7f8fa}
.inline{display:inline}
.row-actions{display:flex;gap:8px;flex-wrap:wrap}
.bell{position:relative}
.bell summary{cursor:pointer;list-style:none;background:#eef1f4;color:#20242a;padding:10px 16px;border-radius:8px}
.bell summary::-webkit-details-marker{display:none}
.bell-menu{position:absolute;left:0;top:46px;background:white;border:1px solid #e5e7eb;border-radius:12px;min-width:300px;padding:12px;z-index:5;box-shadow:0 8px 24px rgba(0,0,0,.08)}
.bell-item{padding:8px 0;border-bottom:1px solid #eee}
.bell-item p{margin:6px 0;color:#52606d}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{width:100%;max-width:420px}
.check{display:flex;align-items:center;gap:8px}
.check input{width:auto}
.subhead{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}
.subhead h2{margin:0;font-size:18px}
@media(max-width:800px){.side{position:static;width:100%}.main{margin-right:0;width:auto}.cards{grid-template-columns:1fr 1fr}.app{display:block}}
@media(max-width:600px){.main{padding:15px}.cards,.formgrid{grid-template-columns:1fr}.full{grid-column:auto}.top{flex-direction:column;align-items:flex-start}}