:root {
  --primary: #1e4d3a;
  --primary-light: #2d6b52;
  --accent: #c8a951;
  --bg: #f5f6f4;
  --text: #263238;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.sidebar {
  width: 230px;
  min-height: 100vh;
  background: var(--primary);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  padding-bottom: 1rem;
}

.sidebar-brand {
  font-size: 1.3rem;
  font-weight: 700;
  padding: 1.25rem 1.25rem 1rem;
  letter-spacing: 0.5px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.sidebar-brand .company-name {
  font-size: 0.75rem;
  font-weight: 400;
  color: rgba(255,255,255,0.65);
  margin-top: 4px;
  text-transform: none;
  letter-spacing: 0;
}

.sidebar .nav-link {
  color: rgba(255,255,255,0.85);
  padding: 0.65rem 1.25rem;
  border-left: 3px solid transparent;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
  background: var(--primary-light);
  color: #fff;
  border-left-color: var(--accent);
}

.sidebar-footer {
  margin-top: auto;
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.user-info {
  font-size: 0.9rem;
}

.role-badge {
  background: var(--accent);
  color: #1e4d3a;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
  margin-left: 4px;
}

.main-content {
  margin-left: 230px;
  padding: 2rem;
  width: 100%;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.card-stat {
  background: #fff;
  border-radius: 10px;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  border-left: 4px solid var(--primary);
}

.card-stat .stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
}

.card-stat .stat-label {
  font-size: 0.85rem;
  color: #6c757d;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table-card {
  background: #fff;
  border-radius: 10px;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
}

.badge-status-new { background: #6c757d; }
.badge-status-contacted { background: #0d6efd; }
.badge-status-interested { background: #fd7e14; }
.badge-status-converted { background: #198754; }
.badge-status-lost { background: #dc3545; }
.badge-status-active { background: #198754; }
.badge-status-expired { background: #6c757d; }
.badge-status-cancelled { background: #dc3545; }
.badge-status-pending { background: #fd7e14; }
.badge-status-paid { background: #198754; }

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e4d3a 0%, #163828 100%);
}

.login-card {
  background: #fff;
  border-radius: 12px;
  padding: 2.5rem;
  width: 380px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.login-brand {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

/* =========================================================
   DSA CRM SAAS ADMIN — MODERN UI
   ========================================================= */

:root{
  --admin-primary:#173f35;
  --admin-primary-dark:#0d2b24;
  --admin-primary-light:#2d6b52;
  --admin-gold:#c8a951;
  --admin-bg:#f5f7f5;
  --admin-border:#e1e8e3;
  --admin-text:#17201d;
  --admin-muted:#68756f;
  --admin-white:#fff;
  --admin-danger:#dc3545;
  --admin-success:#198754;
}

body{
  background:var(--admin-bg);
  color:var(--admin-text);
}

/* Sidebar */

.sidebar{
  width:250px;
  background:
    linear-gradient(
      180deg,
      var(--admin-primary) 0%,
      var(--admin-primary-dark) 100%
    );
  box-shadow:4px 0 18px rgba(0,0,0,.08);
}

.sidebar-brand{
  padding:20px 20px 18px;
  font-size:20px;
  letter-spacing:-.2px;
}

.sidebar .nav{
  padding-top:10px;
}

.sidebar .nav-link{
  margin:3px 10px;
  padding:11px 14px;
  border-left:0;
  border-radius:9px;
  color:rgba(255,255,255,.78);
  font-size:14px;
  font-weight:600;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active{
  background:rgba(255,255,255,.11);
  color:#fff;
  border-left:0;
}

.sidebar .nav-link.active{
  box-shadow:inset 3px 0 0 var(--admin-gold);
}

.sidebar-footer{
  padding:16px;
}

.user-info{
  color:rgba(255,255,255,.9);
  font-weight:600;
}

/* Main */

.main-content{
  margin-left:250px;
  padding:30px;
  min-height:100vh;
}

.page-header{
  margin-bottom:24px;
}

.page-header h3{
  margin:0;
  color:var(--admin-text);
  font-size:26px;
  font-weight:800;
  letter-spacing:-.5px;
}

/* KPI cards */

.card-stat{
  position:relative;
  min-height:120px;
  padding:20px;
  border:1px solid var(--admin-border);
  border-left:4px solid var(--admin-primary);
  border-radius:14px;
  background:#fff;
  box-shadow:0 4px 14px rgba(23,32,29,.05);
  transition:
    transform .18s ease,
    box-shadow .18s ease;
}

.card-stat:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(23,32,29,.08);
}

.card-stat .stat-value{
  font-size:29px;
  line-height:1.1;
  font-weight:800;
  color:var(--admin-primary);
}

.card-stat .stat-label{
  margin-top:8px;
  font-size:11px;
  font-weight:700;
  color:var(--admin-muted);
  letter-spacing:.5px;
}

/* Content cards */

.table-card{
  border:1px solid var(--admin-border);
  border-radius:14px;
  padding:20px;
  background:#fff;
  box-shadow:0 4px 14px rgba(23,32,29,.04);
}

.table-card h5{
  color:var(--admin-text);
  font-weight:800;
}

/* Tables */

.table{
  margin-bottom:0;
}

.table thead th{
  padding:12px 14px;
  background:#f8faf8;
  color:var(--admin-muted);
  border-bottom:1px solid var(--admin-border);
  font-size:10px;
  font-weight:800;
  letter-spacing:.55px;
  text-transform:uppercase;
  white-space:nowrap;
}

.table tbody td{
  padding:14px;
  border-color:var(--admin-border);
  vertical-align:middle;
  font-size:13px;
}

.table-hover tbody tr:hover{
  background:#fbfcfb;
}

/* Buttons */

.btn-primary{
  background:var(--admin-primary);
  border-color:var(--admin-primary);
  font-weight:700;
}

.btn-primary:hover,
.btn-primary:focus{
  background:var(--admin-primary-dark);
  border-color:var(--admin-primary-dark);
}

.btn-outline-primary{
  color:var(--admin-primary);
  border-color:var(--admin-primary);
}

.btn-outline-primary:hover{
  background:var(--admin-primary);
  border-color:var(--admin-primary);
}

/* Status */

.badge{
  font-weight:700;
  letter-spacing:.15px;
}

.badge-status-active{
  background:var(--admin-success);
}

.badge-status-expired{
  background:#6c757d;
}

.badge-status-cancelled{
  background:var(--admin-danger);
}

.badge-status-pending{
  background:#fd7e14;
}

/* Alerts */

.alert{
  border:0;
  border-radius:10px;
  font-size:13px;
  font-weight:600;
}

/* Forms */

.form-control,
.form-select{
  border-color:#d8e1dc;
  border-radius:8px;
}

.form-control:focus,
.form-select:focus{
  border-color:var(--admin-primary-light);
  box-shadow:0 0 0 .2rem rgba(45,107,82,.12);
}

/* Responsive */

@media (max-width:991.98px){

  .sidebar{
    width:210px;
  }

  .main-content{
    margin-left:210px;
    padding:22px;
  }

}

@media (max-width:767.98px){

  .sidebar{
    position:relative;
    width:100%;
    min-height:auto;
  }

  .sidebar-footer{
    margin-top:10px;
  }

  .main-content{
    margin-left:0;
    padding:16px;
  }

  .page-header{
    align-items:flex-start;
    flex-direction:column;
    gap:12px;
  }

  .page-header h3{
    font-size:22px;
  }

  .table-card{
    padding:14px;
    overflow-x:auto;
  }

  .card-stat{
    min-height:105px;
  }

}