:root{
  --deep-blue: #0b2b4a;      /* primary background */
  --accent: #ff4b3a;         /* orange-red accent */
  --muted: #607080;
  --surface: #f7f9fb;
  --card-bg: #ffffff;
  --glass: rgba(255,255,255,0.04);
  --radius: 12px;
  --max-width: 1200px;
  --shadow: 0 6px 18px rgba(11,43,74,0.12);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

/* basic page */
*{box-sizing:border-box}
body{margin:0;background:linear-gradient(180deg,var(--deep-blue), #072033);color:#0b2434;min-height:100vh}
a{color:inherit;text-decoration:none}
.bg-app{background:linear-gradient(180deg, #072033 0%, #041726 100%);}

/* layout */
.sidebar{
  position:fixed; left:0; top:0; bottom:0; width:240px; background:var(--deep-blue); color:#fff;
  padding:28px 18px; box-shadow: inset -2px 0 0 rgba(255,255,255,0.03);
  display:flex;flex-direction:column; gap:14px;
}
.brand-small{font-weight:700;font-size:20px;color:var(--accent);margin-bottom:8px}
.sidebar .nav{list-style:none;padding:0;margin:12px 0 0}
.sidebar .nav li{margin:8px 0}
.sidebar .nav a{display:block;padding:10px;border-radius:10px;color:#cfeaf8}
.sidebar .nav a:hover{background:rgba(255,255,255,0.03);color:#fff}

/* main content */
.main{margin-left:260px;padding:28px;min-height:100vh;max-width:calc(100% - 260px)}
.main-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;color:#fff}
.header-actions .role-badge{background:var(--accent);padding:6px 10px;border-radius:8px;color:#fff;font-weight:600}

/* card */
.card{background:var(--card-bg);border-radius:12px;padding:18px;box-shadow:var(--shadow);margin-bottom:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-bottom:14px}
.stat h3{margin:0;font-size:14px;color:var(--muted)}
.stat .stat-value{font-size:20px;font-weight:700;margin-top:10px;color:var(--deep-blue)}

/* table */
.table{width:100%;border-collapse:collapse}
.table th, .table td{padding:10px;border-bottom:1px solid #efefef;text-align:left}
.pill{padding:6px 10px;border-radius:999px;font-weight:600}
.pill-success{background:#e8f7ef;color:#097a3e}

/* login */
.login-wrap{display:flex;min-height:100vh;align-items:center;justify-content:center}
.login-card{width:380px;background:linear-gradient(180deg,#ffffff, #fbfdff);padding:28px;border-radius:14px;box-shadow:0 10px 30px rgba(2,36,63,0.18)}
.brand{font-size:28px;margin:0 0 10px}
.brand .accent{color:var(--accent)}
input[type="email"], input[type="password"], input, select, textarea{
  width:100%;padding:10px;border-radius:8px;border:1px solid #e3e7ee;margin:8px 0 12px;outline:none
}
.btn{display:inline-block;padding:10px 16px;border-radius:8px;border:none;cursor:pointer}
.btn.primary{background:var(--deep-blue);color:#fff}
.alert{background:#fff3f1;border-left:4px solid var(--accent);padding:8px 12px;border-radius:6px;margin-bottom:12px;color:#7a2a1f}

/* small utilities */
.list-plain{list-style:none;padding:0;margin:0}