:root{
  --navy:#00307A;
  --navy-dark:#001c4d;
  --gold:#FFDE59;
  --gray-bg:#F4F6FA;
  --text-muted:#6b7280;
  --danger:#e5484d;
  --success:#16a34a;
  --warning:#f59e0b;
  --radius:12px;
  --sidebar-w:260px;
}
*{box-sizing:border-box;}
body{
  background:var(--gray-bg);
  font-family:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  color:#1f2937;
  font-size:14.5px;
}
a{text-decoration:none;}

/* ---------- Layout ---------- */
.app-wrapper{display:flex;min-height:100vh;}
.sidebar{
  width:var(--sidebar-w);
  background:var(--navy);
  color:#fff;
  position:fixed;
  top:0;left:0;bottom:0;
  overflow-y:auto;
  z-index:1030;
  transition:transform .25s ease;
}
.sidebar-brand{
  padding:20px 22px;
  border-bottom:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;gap:10px;
}
.sidebar-brand .logo-badge{
  width:38px;height:38px;border-radius:10px;background:var(--gold);
  display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--navy);font-size:18px;
}
.sidebar-brand .brand-text{font-weight:700;font-size:15px;line-height:1.2;color:#fff;}
.sidebar-brand .brand-text small{display:block;font-weight:400;font-size:11px;color:rgba(255,255,255,.6);}

.nav-section-title{
  font-size:10.5px;text-transform:uppercase;letter-spacing:.6px;
  color:rgba(255,255,255,.45);padding:16px 22px 6px;font-weight:700;
}
.sidebar .nav-link{
  color:rgba(255,255,255,.82);
  padding:9px 22px;
  font-size:13.5px;
  display:flex;align-items:center;gap:10px;
  border-left:3px solid transparent;
}
.sidebar .nav-link:hover{background:rgba(255,255,255,.06);color:#fff;}
.sidebar .nav-link.active{
  background:rgba(255,222,89,.12);
  color:var(--gold);
  border-left-color:var(--gold);
  font-weight:600;
}
.sidebar .nav-link i{width:18px;text-align:center;font-size:14px;}
.sidebar-group > .nav-link::after{
  content:'\f107';font-family:'bootstrap-icons';margin-left:auto;font-size:11px;transition:transform .2s;
}
.sidebar-group[aria-expanded="true"] > .nav-link::after{transform:rotate(180deg);}

/* ---------- Main content ---------- */
.main-content{margin-left:var(--sidebar-w);flex:1;min-width:0;display:flex;flex-direction:column;}
.topbar{
  background:#fff;
  border-bottom:1px solid #e5e7eb;
  padding:12px 24px;
  display:flex;align-items:center;justify-content:between;gap:16px;
  position:sticky;top:0;z-index:1020;
}
.topbar .page-title{font-weight:700;font-size:17px;color:var(--navy);margin:0;}
.topbar .breadcrumb-mini{font-size:12px;color:var(--text-muted);margin:0;}
.sidebar-toggle-btn{background:none;border:none;font-size:20px;color:var(--navy);display:none;}
.content-body{padding:22px 24px 90px;flex:1;}

/* ---------- Cards ---------- */
.stat-card{
  background:#fff;border-radius:var(--radius);padding:18px 20px;
  border:1px solid #edf0f5;box-shadow:0 1px 3px rgba(16,24,40,.04);
  display:flex;align-items:center;gap:14px;height:100%;
}
.stat-card .icon-box{
  width:46px;height:46px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-size:20px;color:#fff;flex-shrink:0;
}
.stat-card .stat-value{font-size:22px;font-weight:800;color:#111827;line-height:1;}
.stat-card .stat-label{font-size:12.5px;color:var(--text-muted);margin-top:4px;}

.card-panel{
  background:#fff;border-radius:var(--radius);border:1px solid #edf0f5;
  box-shadow:0 1px 3px rgba(16,24,40,.04);
}
.card-panel .card-panel-header{
  padding:16px 20px;border-bottom:1px solid #f1f3f7;display:flex;align-items:center;justify-content:space-between;
}
.card-panel .card-panel-header h6{margin:0;font-weight:700;color:var(--navy);font-size:14.5px;}
.card-panel .card-panel-body{padding:20px;}

/* ---------- Buttons ---------- */
.btn-navy{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:600;}
.btn-navy:hover{background:var(--navy-dark);border-color:var(--navy-dark);color:#fff;}
.btn-gold{background:var(--gold);border-color:var(--gold);color:var(--navy);font-weight:700;}
.btn-gold:hover{background:#f5cf3a;border-color:#f5cf3a;color:var(--navy);}
.btn-outline-navy{border-color:var(--navy);color:var(--navy);font-weight:600;}
.btn-outline-navy:hover{background:var(--navy);color:#fff;}

/* ---------- Tables ---------- */
.table-modern thead th{
  background:#F8FAFC;color:#374151;font-size:12px;text-transform:uppercase;letter-spacing:.4px;
  font-weight:700;border-bottom:2px solid #edf0f5;padding:11px 14px;white-space:nowrap;
}
.table-modern tbody td{padding:11px 14px;vertical-align:middle;font-size:13.5px;border-bottom:1px solid #f1f3f7;}
.table-modern tbody tr:hover{background:#fafbff;}

.badge-status{padding:4px 10px;border-radius:20px;font-size:11px;font-weight:700;text-transform:capitalize;}
.badge-active,.badge-present,.badge-resolved,.badge-admitted,.badge-approved{background:#dcfce7;color:#166534;}
.badge-inactive,.badge-absent,.badge-rejected{background:#fee2e2;color:#991b1b;}
.badge-late,.badge-half_day,.badge-pending{background:#fef3c7;color:#92400e;}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 20% 20%, #00408f, var(--navy-dark) 70%);padding:20px;}
.login-card{background:#fff;border-radius:18px;max-width:400px;width:100%;box-shadow:0 24px 60px rgba(0,0,0,.35);overflow:hidden;}
.login-card .login-top{background:var(--navy);padding:34px 30px 26px;text-align:center;border-bottom:5px solid var(--gold);}
.login-card .login-top .logo-badge{
  width:56px;height:56px;border-radius:14px;background:var(--gold);margin:0 auto 12px;
  display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--navy);font-size:26px;
}
.login-card .login-top h4{color:#fff;font-weight:700;margin:0;font-size:18px;}
.login-card .login-top p{color:rgba(255,255,255,.7);font-size:12.5px;margin:4px 0 0;}
.login-card .login-body{padding:30px;}

/* ---------- Mobile bottom nav ---------- */
.bottom-nav{
  display:none;position:fixed;bottom:0;left:0;right:0;background:#fff;
  border-top:1px solid #e5e7eb;z-index:1040;box-shadow:0 -2px 10px rgba(0,0,0,.06);
}
.bottom-nav a{
  flex:1;text-align:center;padding:8px 4px 6px;color:var(--text-muted);font-size:10.5px;
}
.bottom-nav a i{display:block;font-size:19px;margin-bottom:2px;}
.bottom-nav a.active{color:var(--navy);}
.bottom-nav .bn-row{display:flex;}

.sidebar-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:1025;}

@media (max-width: 991px){
  .sidebar{transform:translateX(-100%);}
  .sidebar.show{transform:translateX(0);}
  .main-content{margin-left:0;}
  .sidebar-toggle-btn{display:inline-block;}
  .sidebar-backdrop.show{display:block;}
  .bottom-nav{display:block;}
  .content-body{padding-bottom:100px;}
}

/* ---------- Utility ---------- */
.text-navy{color:var(--navy);}
.bg-navy{background:var(--navy);}
.fw-700{font-weight:700;}
.small-muted{font-size:12px;color:var(--text-muted);}
.form-label{font-weight:600;font-size:13px;color:#374151;}
.required::after{content:' *';color:var(--danger);}
.page-toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-bottom:18px;}