:root{
  --teal:#087f7a;
  --teal-dark:#04625f;
  --teal-soft:#e9f5f4;
  --ink:#13202f;
  --muted:#6a7480;
  --line:#e3e8ed;
  --bg:#f5f7f9;
  --danger:#a93636;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--bg)}
a{color:inherit}
.topbar{height:76px;background:linear-gradient(90deg,var(--teal-dark),var(--teal));color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 34px;box-shadow:0 2px 10px #0001}
.brand-small{display:flex;align-items:center;gap:14px;font-size:22px}
.brand-small img{height:46px;width:auto;object-fit:contain}
.top-user{display:flex;align-items:center;gap:22px}
.top-user a{color:#fff;text-decoration:none;font-weight:700}
.layout{min-height:calc(100vh - 166px);display:grid;grid-template-columns:250px 1fr}
.sidebar{background:#fff;border-right:1px solid var(--line);padding:26px 18px}
.nav-section{font-size:12px;font-weight:800;color:#8a939d;margin:26px 12px 10px;letter-spacing:.05em}
.nav-link{display:flex;gap:12px;align-items:center;text-decoration:none;padding:13px 14px;border-radius:10px;margin:3px 0}
.nav-link:hover,.nav-link.active{background:var(--teal-soft);color:var(--teal-dark);font-weight:700}
.content{padding:34px;max-width:1400px;width:100%;margin:0 auto}
.welcome,.panel{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 6px 20px #1d2b3a0d}
.welcome{padding:28px 32px;margin-bottom:24px}
.welcome h1{margin:0 0 8px;font-size:30px}.welcome p{margin:0;color:var(--muted)}
.panel{padding:28px}.panel.narrow{max-width:760px}
.panel h1,.panel h2{margin-top:0}
.panel-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:24px}
.panel-heading p{color:var(--muted);margin:7px 0 0}
.systems-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.system-card{border:1px solid var(--line);border-radius:14px;padding:26px;text-align:center;display:flex;flex-direction:column;min-height:290px}
.system-card h2{margin:18px 0 8px}.system-card p{color:var(--muted);flex:1}
.system-icon{width:82px;height:82px;margin:0 auto;background:var(--teal-soft);display:grid;place-items:center;border-radius:50%;font-size:34px}
.button{display:inline-flex;justify-content:center;align-items:center;gap:8px;background:var(--teal);color:#fff;border:0;border-radius:9px;padding:11px 17px;text-decoration:none;font-weight:700;cursor:pointer}
.button:hover{background:var(--teal-dark)}
.button.secondary{background:var(--teal-soft);color:var(--teal-dark)}
.button.danger{background:#fbecec;color:var(--danger)}
.button.small{padding:8px 11px;font-size:13px}
.form{display:grid;gap:9px}
.form label{font-weight:700;margin-top:7px}
.form input{width:100%;padding:12px 13px;border:1px solid #ccd5dd;border-radius:9px;font-size:15px}
.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.check-inline{display:flex;align-items:center;gap:9px!important}
.check-inline input{width:auto}
.checks{border:1px solid var(--line);border-radius:10px;overflow:hidden}
.check-row{display:flex!important;gap:12px!important;align-items:flex-start;padding:14px;border-bottom:1px solid var(--line);margin:0!important}
.check-row:last-child{border-bottom:0}.check-row input{width:auto;margin-top:3px}.check-row span{display:grid;gap:4px}.check-row small{color:var(--muted)}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{text-align:left;padding:14px;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:13px;color:#69737f}td small{display:block;color:var(--muted);margin-top:4px}
.actions{display:flex;gap:8px;align-items:center}.actions form{margin:0}
.badge{display:inline-block;padding:6px 9px;border-radius:999px;background:#eef1f4;font-size:12px;font-weight:700}
.badge.active{background:#e9f8ee;color:#25703c}.badge.inactive{background:#faecec;color:#9b3434}.badge.admin{background:#eaf1fb;color:#245f9d}
.flash{padding:13px 15px;border-radius:10px;margin-bottom:18px;font-weight:700}
.flash.success{background:#e9f8ee;color:#25703c}.flash.error{background:#faecec;color:#9b3434}
.empty{padding:35px;text-align:center;color:var(--muted)}
.footer{height:90px;background:linear-gradient(90deg,var(--teal-dark),var(--teal));color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 34px}
.footer img{height:58px;width:auto;object-fit:contain}
.login-body{min-height:100vh;background:linear-gradient(135deg,#fff 0%,#f6fbfb 55%,#eaf7f6 100%);display:flex;flex-direction:column}
.login-wrap{flex:1;display:grid;place-items:center;align-content:center;padding:40px 20px;gap:20px}
.login-logo{width:min(560px,75vw);max-height:170px;object-fit:contain}
.login-card{width:min(460px,92vw);background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px;box-shadow:0 12px 35px #18313c16}
.login-card h1{text-align:center;font-size:30px;margin:0 0 8px}.login-card>p{text-align:center;color:var(--muted);margin:0 0 25px}
.login-card form{display:grid;gap:9px}.login-card label{font-weight:700;margin-top:6px}.login-card input{padding:13px;border:1px solid #ccd5dd;border-radius:9px;font-size:15px}.login-card button{margin-top:12px;padding:13px;border:0;border-radius:9px;background:var(--teal);color:#fff;font-size:16px;font-weight:700;cursor:pointer}
.login-footer{flex-shrink:0}
code{font-family:Consolas,monospace;font-size:12px;word-break:break-all}
@media(max-width:850px){
  .layout{grid-template-columns:1fr}.sidebar{display:flex;overflow:auto;padding:10px;border-right:0;border-bottom:1px solid var(--line)}
  .nav-section{display:none}.nav-link{white-space:nowrap}.content{padding:18px}.topbar{padding:0 18px}.brand-small strong{display:none}
  .panel-heading{flex-direction:column}.footer{height:auto;padding:18px;gap:16px;flex-direction:column;text-align:center}.login-footer{padding:18px}
}