:root{
  --bg:#f6f8fb; --panel:#fff; --ink:#172033; --muted:#607086;
  --brand:#164e63; --brand2:#0f766e; --line:#d9e1ea;
  --good:#15803d; --bad:#b91c1c; --warn:#b45309;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,Segoe UI,Arial,sans-serif}
a{color:inherit}
.app-header{display:flex;justify-content:space-between;gap:24px;align-items:center;padding:20px 32px;background:#fff;border-bottom:1px solid var(--line)}
.app-header h1{margin:0;font-size:24px}
.app-header p{margin:4px 0 0;color:var(--muted);font-size:13px}
.header-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
button,.btn,input[type=submit]{border:0;background:var(--brand2);color:#fff;padding:9px 14px;border-radius:10px;cursor:pointer;font-weight:700;box-shadow:0 6px 16px rgba(15,118,110,.18);font-size:14px}
.btn.secondary{background:#eef4f8;color:var(--ink);box-shadow:none}
.btn.danger{background:var(--bad)}
.tabs{display:flex;gap:8px;padding:12px 24px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;overflow:auto}
.tab{white-space:nowrap;background:#eef4f8;color:var(--ink);padding:9px 14px;border-radius:10px;font-weight:700;text-decoration:none;font-size:14px}
.tab.active{background:var(--brand2);color:#fff}
main{padding:24px;max-width:1400px;margin:0 auto}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:0 10px 26px rgba(18,38,63,.06);margin-bottom:16px}
.span-3{grid-column:span 3}.span-4{grid-column:span 4}.span-5{grid-column:span 5}
.span-6{grid-column:span 6}.span-7{grid-column:span 7}.span-8{grid-column:span 8}.span-12{grid-column:span 12}
h2,h3{margin:0 0 14px}
label{display:block;font-size:13px;color:var(--muted);font-weight:700;margin-bottom:6px}
input,select,textarea{width:100%;padding:9px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);font-size:14px}
textarea{min-height:80px}
.field{margin-bottom:12px}
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:900px){.form-grid{grid-template-columns:repeat(1,1fr)}.grid{grid-template-columns:repeat(1,1fr)}.span-3,.span-4,.span-5,.span-6,.span-7,.span-8{grid-column:span 1}}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;background:#e0f2fe;color:#075985;font-size:12px;font-weight:700}
.badge.warn{background:#fff7ed;color:var(--warn)}
.badge.good{background:#dcfce7;color:var(--good)}
.badge.bad{background:#fee2e2;color:var(--bad)}
.notice{margin-top:14px;padding:10px 12px;border-left:4px solid var(--brand2);background:#ecfdf5;border-radius:10px;color:#064e3b;font-size:13px}
table{width:100%;border-collapse:collapse}
th,td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
th{color:var(--muted);font-size:12px;text-transform:uppercase}
.muted{color:var(--muted)}
.flash{padding:10px 14px;border-radius:10px;margin-bottom:12px;font-size:14px}
.flash.success{background:#dcfce7;color:var(--good)}
.flash.error{background:#fee2e2;color:var(--bad)}
.actions-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.list-link{display:block;padding:10px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.list-link:last-child{border-bottom:0}
footer{text-align:center;color:var(--muted);font-size:12px;padding:24px}
.errors{color:var(--bad);font-size:12px;margin-top:4px}