:root {
  --primary-color: #4e73df;
  --secondary-color: #858796;
  --success-color: #1cc88a;
  --info-color: #36b9cc;
  --warning-color: #f6c23e;
  --danger-color: #e74a3b;
  --light-color: #f8f9fc;
  --dark-color: #5a5c69;
  
  /* Light theme (default) */
  --bg-color: #fff;
  --text-color: #212529;
  --border-color: #e3e6f0;
  --card-bg: #fff;
  --card-header-bg: #f8f9fc;
  --navbar-bg: #fff;
  --sidebar-bg: #fff;
  --input-bg: #fff;
  --input-border: #d1d3e2;
  --table-header-bg: #f8f9fc;
}

/* Dark theme */
[data-theme="dark"] {
  --bg-color: #121212;
  --text-color: #f8f9fc;
  --border-color: #2d2d2d;
  --card-bg: #1e1e1e;
  --card-header-bg: #2d2d2d;
  --navbar-bg: #1e1e1e;
  --sidebar-bg: #1e1e1e;
  --input-bg: #2d2d2d;
  --input-border: #3d3d3d;
  --table-header-bg: #2d2d2d;
}

/* Theme transition */
body, .card, .navbar, #sidebar-wrapper, .card-header, .form-control, .form-select, .table th {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

html {
  font-size: 14px;
  position: relative;
  min-height: 100%;
}

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

body {
  margin-bottom: 60px;
  font-family: 'Poppins', sans-serif;
  overflow-x: hidden;
  background-color: var(--bg-color);
  color: var(--text-color);
}

/* Sidebar Styles */
#sidebar-wrapper {
  min-height: 100vh;
  width: 250px;
  transition: margin 0.25s ease-out;
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--border-color);
}

#sidebar-wrapper .sidebar-heading {
  padding: 0.875rem 1.25rem;
  font-size: 1.2rem;
  border-bottom: 1px solid var(--border-color);
}

#sidebar-wrapper .list-group-item {
  border-left: 0;
  border-right: 0;
  border-radius: 0;
  background-color: var(--sidebar-bg);
  color: var(--text-color);
  border-color: var(--border-color);
}

#sidebar-wrapper .list-group-item.active {
  color: #fff;
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

/* Override Bootstrap's list-group-item-light in dark mode */
[data-theme="dark"] .list-group-item-light {
  background-color: var(--sidebar-bg) !important;
  color: var(--text-color) !important;
}

[data-theme="dark"] .list-group-item-light:hover {
  background-color: rgba(255, 255, 255, 0.1) !important;
}

[data-theme="dark"] .sb-sidenav-menu-heading {
  color: rgba(255, 255, 255, 0.6) !important;
}

[data-theme="dark"] .nav-link {
  color: var(--text-color) !important;
}

#page-content-wrapper {
  min-width: 100vw;
  flex: 1;
}

/* Sidebar Toggle */
body.sb-sidenav-toggled #wrapper #sidebar-wrapper {
  margin-left: -250px;
}

@media (min-width: 768px) {
  #sidebar-wrapper {
    margin-left: 0;
  }

  #page-content-wrapper {
    min-width: 0;
    width: 100%;
  }

  body.sb-sidenav-toggled #wrapper #sidebar-wrapper {
    margin-left: -250px;
  }
}

/* Card styles */
.card {
  border-radius: 0.5rem;
  box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
  border: none;
  margin-bottom: 24px;
  background-color: var(--card-bg);
}

.card-header {
  background-color: var(--card-header-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.25rem;
}

.card-header h5 {
  margin-bottom: 0;
  font-weight: 600;
}

/* Buttons */
.btn {
  border-radius: 0.35rem;
  padding: 0.5rem 1rem;
  font-weight: 500;
}

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

.btn-primary:hover, .btn-primary:focus {
  background-color: #4262c5;
  border-color: #4262c5;
}

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

.btn-success:hover, .btn-success:focus {
  background-color: #17a673;
  border-color: #17a673;
}

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

.btn-danger:hover, .btn-danger:focus {
  background-color: #e02d1b;
  border-color: #e02d1b;
}

/* Dashboard cards */
.dashboard-card {
  border-left: 0.25rem solid;
  border-radius: 0.35rem;
}

.dashboard-card.primary {
  border-left-color: var(--primary-color);
}

.dashboard-card.success {
  border-left-color: var(--success-color);
}

.dashboard-card.warning {
  border-left-color: var(--warning-color);
}

.dashboard-card.danger {
  border-left-color: var(--danger-color);
}

.dashboard-card-icon {
  font-size: 2rem;
  opacity: 0.3;
}

/* Form controls */
.form-control, .form-select {
  border-radius: 0.35rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--input-border);
  background-color: var(--input-bg);
  color: var(--text-color);
}

.form-control:focus, .form-select:focus {
  border-color: #bac8f3;
  box-shadow: 0 0 0 0.25rem rgba(78, 115, 223, 0.25);
}

/* Tables */
.table th {
  font-weight: 600;
  background-color: var(--table-header-bg);
}

.table {
  color: var(--text-color);
}

/* Result table */
.comparison-table {
  font-size: 0.9rem;
}

.comparison-table th, .comparison-table td {
  padding: 0.75rem;
  vertical-align: middle;
}

.match {
  color: var(--success-color);
}

.mismatch {
  font-weight: 500;
}

/* Step indicators */
.step-indicator {
  display: flex;
  margin: 2rem 0;
}

.step {
  flex: 1;
  text-align: center;
  padding: 1rem;
  position: relative;
}

.step:not(:last-child):after {
  content: "";
  position: absolute;
  top: 50%;
  right: -1rem;
  width: 2rem;
  height: 2px;
  background-color: #e3e6f0;
}

.step.active .step-circle {
  background-color: var(--primary-color);
  color: white;
}

.step.completed .step-circle {
  background-color: var(--success-color);
  color: white;
}

.step-circle {
  width: 3rem;
  height: 3rem;
  line-height: 3rem;
  border-radius: 50%;
  background-color: #f8f9fc;
  color: var(--secondary-color);
  margin: 0 auto 1rem;
  border: 2px solid #e3e6f0;
  font-weight: 700;
}

.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;
}

/* Navbar styles */
.navbar {
  background-color: var(--navbar-bg) !important;
  border-bottom: 1px solid var(--border-color);
}

/* Theme switcher button */
.theme-switch {
  cursor: pointer;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.theme-switch:hover {
  opacity: 1;
}

/* Dark mode icon colors */
[data-theme="dark"] .bi-sun-fill {
  color: #f6c23e;
}

[data-theme="light"] .bi-moon-fill {
  color: #5a5c69;
}