*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:#f4f6f8;color:#1f2937;font-size:14px}
.layout{display:flex;min-height:100vh}
.sidebar{width:220px;background:#fff;border-right:1px solid #e5e7eb;padding:16px 0;display:flex;flex-direction:column}
.brand{font-weight:700;font-size:18px;padding:0 16px 16px;border-bottom:1px solid #e5e7eb;color:#111}
.sidebar nav{flex:1;padding:8px 0;overflow-y:auto}
.sidebar nav a{display:block;padding:9px 16px;color:#111;text-decoration:none;font-weight:500;font-size:13px}
.sidebar nav a:hover{background:#f3f4f6;color:#0d9488}
.sidebar-foot{padding:12px 16px;border-top:1px solid #e5e7eb;font-size:12px}
.sidebar-foot a{color:#dc2626;text-decoration:none;display:block;margin-bottom:6px}
.sidebar-foot small{color:#6b7280}
.main{flex:1;padding:20px;overflow:auto}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:16px;margin-bottom:16px}
.page-title{font-size:20px;font-weight:600;margin-bottom:16px}
.btn{display:inline-block;padding:8px 14px;background:#0d9488;color:#fff;border:0;border-radius:6px;cursor:pointer;text-decoration:none;font-size:13px;font-weight:500}
.btn:hover{background:#0f766e}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-danger{background:#dc2626}.btn-danger:hover{background:#b91c1c}
.btn-warn{background:#f59e0b}.btn-warn:hover{background:#d97706}
.btn-info{background:#3b82f6}.btn-info:hover{background:#2563eb}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{padding:8px 10px;border-bottom:1px solid #e5e7eb;text-align:left;font-size:13px}
th{background:#f9fafb;font-weight:600;font-size:12px;text-transform:uppercase;color:#374151}
tr:hover{background:#f9fafb}
input,select,textarea{width:100%;padding:8px 10px;border:1px solid #d1d5db;border-radius:6px;font-size:13px;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:#0d9488;box-shadow:0 0 0 3px rgba(13,148,136,.1)}
label{display:block;font-size:12px;font-weight:500;margin-bottom:4px;color:#374151}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:12px}
.flash{background:#d1fae5;color:#065f46;padding:10px 14px;border-radius:6px;margin-bottom:12px}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:16px}
.stat{background:#fff;padding:14px;border-radius:8px;border:1px solid #e5e7eb}
.stat-label{font-size:12px;color:#6b7280;text-transform:uppercase}
.stat-value{font-size:22px;font-weight:700;color:#0d9488;margin-top:4px}
.toolbar{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap;align-items:center}
.toolbar input{width:auto;flex:1;min-width:200px}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e0f2f1,#f0fdf4)}
.login-box{background:#fff;padding:32px;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.08);width:100%;max-width:400px}
.login-box h1{font-size:22px;margin-bottom:4px;color:#0d9488;text-align:center}
.login-box p{text-align:center;color:#6b7280;margin-bottom:20px}
.login-box .btn{width:100%;padding:11px}
.err{background:#fee2e2;color:#991b1b;padding:10px;border-radius:6px;margin-bottom:12px;font-size:13px}
.right{text-align:right}.center{text-align:center}
.two-col{display:grid;grid-template-columns:1fr 380px;gap:16px}
@media(max-width:900px){.two-col{grid-template-columns:1fr}.sidebar{width:180px}}
.pill{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}
.pill-ok{background:#d1fae5;color:#065f46}
.pill-low{background:#fee2e2;color:#991b1b}
.actions{display:flex;gap:4px}