:root{
  --ink:#27251f;
  --muted:#6e6a61;
  --paper:#f7f5f0;
  --panel:#ffffff;
  --line:#e3ded3;
  --accent:#6f7b5a;
  --accent-dark:#536043;
  --warm:#b78b5a;
  --danger:#9a4a45;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--paper);color:var(--ink)}
a{color:inherit}
.app-shell{min-height:100vh;display:flex}
.sidebar{width:260px;background:#252720;color:#fff;padding:26px 20px;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:32px}
.brand-mark{width:42px;height:42px;border-radius:50%;background:var(--warm);display:grid;place-items:center;font:700 22px Georgia,serif}
.brand strong{display:block;font-family:Georgia,serif;font-size:20px}
.brand small{display:block;color:#c9cbbf;margin-top:2px}
.sidebar nav{display:grid;gap:7px}
.sidebar nav a{padding:11px 12px;border-radius:8px;text-decoration:none;color:#eef0e8}
.sidebar nav a:hover{background:#36392f}
.sidebar-footer{margin-top:auto;border-top:1px solid #43463b;padding-top:16px;display:flex;justify-content:space-between;gap:10px;font-size:14px}
.sidebar-footer a{color:#d8c5ad}
.content{margin-left:260px;padding:34px;min-width:0;width:100%}
.content.full{margin-left:0}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}
h1{font:700 34px Georgia,serif;margin:0}
h2{font:700 22px Georgia,serif}
.muted{color:var(--muted)}
.grid{display:grid;gap:18px}
.stats{grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:24px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 3px 18px rgba(50,45,35,.04)}
.stat-number{font:700 30px Georgia,serif;margin-top:7px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 15px;border-radius:8px;border:1px solid transparent;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;cursor:pointer}
.btn:hover{background:var(--accent-dark)}
.btn.secondary{background:#fff;color:var(--ink);border-color:var(--line)}
table{width:100%;border-collapse:collapse}
th,td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.badge{display:inline-block;padding:5px 9px;border-radius:999px;background:#eef0e8;font-size:12px}
.form-card{max-width:760px}
label{display:block;font-weight:700;margin:14px 0 6px}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid #cfc9bc;border-radius:8px;background:#fff;font:inherit}
textarea{min-height:120px;resize:vertical}
.row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.alert{padding:12px 14px;border-radius:8px;margin-bottom:16px;background:#e9efe2}
.alert.warning{background:#fff3cd}
.alert.error{background:#f7dfdd;color:#7d2e29}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 15px 50px rgba(50,45,35,.10)}
.login-card h1{text-align:center}
.login-brand{text-align:center;margin-bottom:24px}
.login-brand .brand-mark{margin:0 auto 10px}
.kicker{text-transform:uppercase;letter-spacing:.12em;font-size:12px;color:var(--warm);font-weight:800}
.empty{padding:36px;text-align:center;color:var(--muted)}
@media (max-width:900px){
 .sidebar{position:static;width:100%;min-height:auto}
 .app-shell{display:block}
 .content{margin-left:0;padding:22px}
 .sidebar nav{grid-template-columns:repeat(3,1fr)}
 .sidebar-footer{margin-top:20px}
 .stats{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
 .sidebar nav{grid-template-columns:1fr 1fr}
 .stats,.row{grid-template-columns:1fr}
}