:root{
  --primary:#173b8f;
  --primary-2:#2f67e8;
  --bg:#f4f7fb;
  --card:#ffffff;
  --text:#182230;
  --muted:#667085;
  --line:#e4e7ec;
  --success-bg:#ecfdf3;
  --success-text:#027a48;
  --danger-bg:#fef3f2;
  --danger-text:#b42318;
  --warning-bg:#fffaeb;
  --warning-text:#b54708;
  --shadow:0 10px 30px rgba(16,24,40,.06);
  --radius:18px;
}

*{
  box-sizing:border-box;
  margin:0;
  padding:0;
}

body{
  font-family:Aptos, Poppins, Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
}

a{
  text-decoration:none;
}

.layout{
  display:flex;
  min-height:100vh;
}

.sidebar{
  width:250px;
  background:linear-gradient(180deg,var(--primary),#0f255e);
  color:#fff;
  padding:24px 18px;
  position:fixed;
  left:0;
  top:0;
  bottom:0;
  overflow-y:auto;
}

.brand{
  margin-bottom:28px;
}

.brand h2{
  font-size:22px;
  font-weight:700;
  letter-spacing:.2px;
}

.brand small{
  color:rgba(255,255,255,.7);
  display:block;
  margin-top:6px;
}

.nav-section{
  margin-top:18px;
}

.nav-title{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.12em;
  color:rgba(255,255,255,.58);
  margin:16px 10px 10px;
}

.sidebar a{
  display:block;
  padding:12px 14px;
  border-radius:12px;
  color:rgba(255,255,255,.85);
  margin-bottom:6px;
  transition:.2s ease;
  font-size:14px;
}

.sidebar a:hover,
.sidebar a.active{
  background:rgba(255,255,255,.12);
  color:#fff;
}

.main{
  margin-left:250px;
  width:calc(100% - 250px);
  padding:24px;
}

.topbar{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  box-shadow:var(--shadow);
  margin-bottom:22px;
}

.topbar h3{
  font-size:22px;
  font-weight:700;
}

.topbar .sub{
  color:var(--muted);
  font-size:13px;
  margin-top:4px;
}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
}

.card + .card{
  margin-top:20px;
}

.grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:18px;
}

.grid-4{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:18px;
}

.stat-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
}

.stat-label{
  color:var(--muted);
  font-size:13px;
  margin-bottom:8px;
}

.stat-value{
  font-size:28px;
  font-weight:700;
}

.form-section-title{
  font-size:16px;
  font-weight:700;
  margin-bottom:14px;
}

.form-group{
  margin-bottom:16px;
}

.form-group label{
  display:block;
  margin-bottom:7px;
  color:#344054;
  font-size:13px;
  font-weight:600;
}

.form-group input,
.form-group select,
.form-group textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:12px;
  padding:12px 14px;
  font-size:14px;
  outline:none;
  background:#fff;
  transition:border-color .2s, box-shadow .2s;
}

.form-group textarea{
  min-height:100px;
  resize:vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
  border-color:var(--primary-2);
  box-shadow:0 0 0 4px rgba(47,103,232,.08);
}

.btn-row{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.btn{
  border:none;
  outline:none;
  border-radius:12px;
  padding:11px 16px;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  transition:.2s ease;
}

.btn-primary{
  background:var(--primary-2);
  color:#fff;
}

.btn-primary:hover{
  background:#2157d8;
}

.btn-light{
  background:#eef2ff;
  color:#1d4ed8;
}

.btn-light:hover{
  background:#e0e7ff;
}

.btn-danger{
  background:#ef4444;
  color:#fff;
}

.btn-danger:hover{
  background:#dc2626;
}

.alert{
  padding:14px 16px;
  border-radius:14px;
  margin-bottom:18px;
  font-size:14px;
  border:1px solid transparent;
}

.alert-success{
  background:var(--success-bg);
  color:var(--success-text);
  border-color:#abefc6;
}

.alert-danger{
  background:var(--danger-bg);
  color:var(--danger-text);
  border-color:#fecdca;
}

.table-wrap{
  overflow:auto;
  border:1px solid var(--line);
  border-radius:16px;
}

.table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  min-width:900px;
}

.table th{
  background:#f8fafc;
  color:#475467;
  text-align:left;
  padding:14px 16px;
  font-size:13px;
  font-weight:700;
  border-bottom:1px solid var(--line);
}

.table td{
  padding:14px 16px;
  border-bottom:1px solid var(--line);
  font-size:14px;
  vertical-align:middle;
}

.table tr:last-child td{
  border-bottom:none;
}

.table tbody tr:hover{
  background:#fafcff;
}

.badge{
  display:inline-flex;
  align-items:center;
  padding:6px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
}

.badge-active{
  background:var(--success-bg);
  color:var(--success-text);
}

.badge-inactive,
.badge-terminated,
.badge-resigned{
  background:var(--danger-bg);
  color:var(--danger-text);
}

.badge-pending{
  background:var(--warning-bg);
  color:var(--warning-text);
}

.page-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.empty-note{
  text-align:center;
  color:var(--muted);
  padding:28px 14px;
}

.muted{
  color:var(--muted);
}

@media (max-width: 1100px){
  .grid-4{
    grid-template-columns:repeat(2, minmax(0,1fr));
  }
}

@media (max-width: 900px){
  .sidebar{
    width:220px;
  }

  .main{
    margin-left:220px;
    width:calc(100% - 220px);
  }

  .grid{
    grid-template-columns:1fr;
  }
}

@media (max-width: 700px){
  .sidebar{
    position:static;
    width:100%;
    height:auto;
  }

  .layout{
    display:block;
  }

  .main{
    margin-left:0;
    width:100%;
    padding:16px;
  }

  .topbar{
    flex-direction:column;
    align-items:flex-start;
  }

  .grid-4{
    grid-template-columns:1fr;
  }
}