:root {
  --brand-dark: #0b3d2e;
  --brand: #145c3a;
  --brand-light: #1e8449;
}

body {
  background-color: #f4f6f8;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.app-navbar {
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
}

.app-wrapper {
  display: flex;
  min-height: calc(100vh - 56px);
}

.app-sidebar {
  width: 240px;
  flex-shrink: 0;
  background: #ffffff;
  border-right: 1px solid #e3e6ea;
  min-height: calc(100vh - 56px);
}

.app-sidebar .nav-link {
  color: #33393f;
  border-radius: 6px;
  padding: .55rem .75rem;
  font-size: .93rem;
}

.app-sidebar .nav-link:hover {
  background: #eef6f0;
  color: var(--brand-dark);
}

.app-sidebar .nav-link.active {
  background: var(--brand);
  color: #fff;
  font-weight: 600;
}

.app-content {
  flex: 1;
  min-width: 0;
}

.card-stat {
  border: none;
  border-radius: 12px;
  color: #fff;
  box-shadow: 0 4px 14px rgba(0,0,0,.08);
}
.card-stat.bg-1 { background: linear-gradient(135deg,#145c3a,#1e8449); }
.card-stat.bg-2 { background: linear-gradient(135deg,#b8860b,#d9a441); }
.card-stat.bg-3 { background: linear-gradient(135deg,#1a5276,#2e86c1); }
.card-stat.bg-4 { background: linear-gradient(135deg,#922b21,#c0392b); }

.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--brand-dark), var(--brand-light));
}

.login-card {
  border: none;
  border-radius: 14px;
  overflow: hidden;
  max-width: 900px;
  box-shadow: 0 20px 50px rgba(0,0,0,.25);
}

.login-side {
  background: linear-gradient(160deg, var(--brand-dark), var(--brand));
  color: #fff;
  padding: 3rem 2rem;
}

@media (max-width: 991.98px) {
  .app-sidebar {
    position: fixed;
    top: 56px;
    left: -260px;
    z-index: 1030;
    transition: left .2s ease;
    box-shadow: 2px 0 10px rgba(0,0,0,.1);
  }
  .app-sidebar.show { left: 0; }
}

/* ===================== SURAT UNDANGAN (cetak) ===================== */
.surat-wrapper {
  background: #fff;
  max-width: 1000px;
  margin: 0 auto;
  padding: 30px 40px;
  font-family: 'Times New Roman', Times, serif;
  color: #000;
  font-size: 13.5px;
  line-height: 1.35;
}
.surat-wrapper table { font-size: 13px; }
.surat-kop { border-bottom: 3px solid #000; padding-bottom: 6px; margin-bottom: 10px; }
.surat-kop .kop-title { font-weight: bold; text-decoration: underline; font-size: 15px; }
.surat-judul { text-align: center; font-weight: bold; text-decoration: underline; }
.surat-table th, .surat-table td { border: 1px solid #000; padding: 5px 6px; vertical-align: top; }
.surat-ttd-block { width: 260px; }

@media print {
  .no-print { display: none !important; }
  body { background: #fff; }
  .surat-wrapper { box-shadow: none; padding: 0; max-width: 100%; }
  .app-navbar, .app-sidebar { display: none !important; }
  .app-content { width: 100% !important; }
}