/* navStyle.css — Improved Sidebar Styles */
:root {
  --sidebar-width: 260px;
  --sidebar-bg: #ffffff;
  --sidebar-border: #e2e8f0;
  --sidebar-shadow: rgba(0, 0, 0, 0.08);
  --link-color: #495057;
  --link-hover: #0d6efd;
  --link-active-bg: #e7f1ff;
  --section-title-color: #6c757d;
  --toggle-bg: #f1f5f9;
  --toggle-hover: #e2e8f0;
  --accent-color: #0d6efd;
  --transition-speed: 0.25s;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

/* Sidebar container */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  padding: 1rem 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  box-shadow: 2px 0 8px var(--sidebar-shadow);
  overflow-y: auto;
  transform: translateX(0);
  transition: transform var(--transition-speed) ease;
  z-index: 1040;
	padding-right: 20px;
}

.sidebar.closed {
  transform: translateX(-100%);
}

/* Toggle button */
#open-nav {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1050;
  background: var(--sidebar-bg);
  border: 1px solid var(--sidebar-border);
  border-radius: 4px;
  padding: 0.5rem;
  box-shadow: 0 2px 6px var(--sidebar-shadow);
  display: none;
  cursor: pointer;
  transition: background var(--transition-speed);
}

#open-nav:hover {
  background: var(--toggle-bg);
}

/* Sidebar header */
.sidebar-header {
  position: sticky;
  top: 0;
  background: var(--sidebar-bg);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--sidebar-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 10;
}

.sidebar-header h4 a {
  margin: 0;
  font-size: 1.25rem;
  color: var(--link-color);
  text-decoration: none;
  transition: color var(--transition-speed);
}

.sidebar-header h4 a:hover {
  color: var(--link-hover);
}

/* Main title and buttons */
.main-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
}

.main-title h5 {
  margin: 0;
  font-size: 0.9rem;
  text-transform: uppercase;
  color: var(--section-title-color);
}

.main-title .btn {
  font-size: 0.8rem;
  padding: 0.3rem 0.6rem;
  transition: background var(--transition-speed), color var(--transition-speed);
}

.main-title .btn-outline-secondary:hover {
  background: var(--toggle-hover);
  color: var(--link-hover);
}

/* Navigation links */
.nav-link {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--link-color);
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 4px;
  transition: background var(--transition-speed), color var(--transition-speed);
}

.nav-link:hover,
.nav-link:focus {
  background: var(--toggle-bg);
  color: var(--link-hover);
}

.nav-link.active {
  background: var(--link-active-bg);
  color: var(--link-hover);
}

/* Section title style */
.section-title {
  margin: 1rem 1rem 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--section-title-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.divider {
  margin: 1rem 0.5rem;
  border-top: 1px solid var(--sidebar-border);
}

/* Checkbox styles */
.form-check {
  margin-bottom: 0.5rem;
}

.form-check-input {
  margin-right: 0.75rem;
  transform: scale(1.1);
  transition: transform var(--transition-speed);
}

.form-check-input:checked {
  transform: scale(1.2);
}

.form-check-label {
  font-size: 0.95rem;
  color: var(--link-color);
  transition: color var(--transition-speed);
}

.form-check-input:checked + .form-check-label {
  color: var(--link-hover);
}

/* Nested list styling */
.nav-item ul {
  border-left: 2px solid var(--toggle-hover);
  margin-left: 1rem;
  padding-left: 0.5rem;
}

.nav-item li:not(:last-child) {
  margin-bottom: 0.5rem;
}

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

.sidebar::-webkit-scrollbar-track {
  background: var(--sidebar-bg);
}

.sidebar::-webkit-scrollbar-thumb {
  background-color: var(--sidebar-border);
  border-radius: 3px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .sidebar {
    width: 220px;
  }
  #open-nav {
    left: 0.5rem;
    top: 0.5rem;
  }
}