html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
  background: #f0f2f5 !important;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* Sidebar styles */
.sidebar {
  width: 260px;
  min-height: 100vh;
}

.sidebar .nav-link {
  padding: 10px 16px;
  transition: all 0.2s ease;
  font-size: 0.9rem;
}

.sidebar .nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
  padding-left: 20px;
}

.sidebar .nav-link.active {
  background: rgba(13, 110, 253, 0.2);
  border-left: 3px solid #0d6efd;
}

/* Mobile sidebar (offcanvas) */
.sidebar-backdrop {
  display: none;
}

@media (max-width: 991.98px) {
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    height: 100vh;
    z-index: 1045;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .sidebar-backdrop {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1044;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
  }

  .sidebar-backdrop.active {
    opacity: 1;
    visibility: visible;
  }

  body.sidebar-open {
    overflow: hidden;
  }
}


/* Card hover effect */
.card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.08) !important;
}

/* Table styles */
.table th {
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table td {
  vertical-align: middle;
}

/* Alert animations */
.alert {
  border: none;
}

.alert-dismissible .btn-close {
  padding: 1rem;
}

/* Rounded buttons */
.btn-rounded {
  border-radius: 50px;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}