/* Modern Professional Styling */


/* === COLOR PALETTE === */
:root {
  /* Brand Colors */
  --palette-primary: #2563eb;
  --palette-primary-hover: #1d4ed8;
  --palette-secondary: #64748b;
  --palette-success: #10b981;
  --palette-danger: #ef4444;
  --palette-warning: #f59e0b;

  --palette-primary-dark: #23395c;
  --palette-primary-hover-dark: #2556bf;

  /* Friend Theme Colors */
  --palette-friend-primary: #6f42c1;
  --palette-friend-primary-hover: #5a32a3;
  --palette-friend-alert-bg: #e8d9ff;
  --palette-friend-alert-border: #d4b3ff;
  --palette-friend-alert-text: #4a2b7c;
  
  --palette-friend-primary-dark: #8b5cf6;
  --palette-friend-primary-hover-dark: #7c3aed;
  --palette-friend-alert-bg-dark: #2d1b4e;
  --palette-friend-alert-border-dark: #3d2463;
  --palette-friend-alert-text-dark: #c4b5fd;

  /* Text Colors */
  --palette-text-dark: #1e293b;
  --palette-text-muted-dark: #64748b;
  --palette-text-light: #f1f5f9;
  --palette-text-muted-light: #cbd5e1;

  /* Border Colors */
  --palette-border-light: #e2e8f0;
  --palette-border-dark: #334155;

  /* Backgrounds */
  --palette-bg-light: #f8fafc;
  --palette-bg-white: #ffffff;
  --palette-bg-dark: #141926;
  --palette-bg-darker: #1e293b;

  /* Shadows */
  --palette-shadow-sm-light: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --palette-shadow-md-light: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --palette-shadow-lg-light: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --palette-shadow-sm-dark: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --palette-shadow-md-dark: 0 4px 6px -1px rgb(0 0 0 / 0.4);
  --palette-shadow-lg-dark: 0 10px 15px -3px rgb(0 0 0 / 0.5);

  --radius: 0.5rem;
}

/* Primary background utility */
.bg-primary {
  background-color: var(--palette-primary) !important;
  color: #fff !important;
}

[data-bs-theme="dark"] .bg-primary {
  background-color: var(--palette-primary-dark) !important;
  color: #fff !important;
}

/* === THEME VARIABLES (REFERENCE PALETTE) === */
[data-bs-theme="light"] {
  --primary-color: var(--palette-primary);
  --primary-hover: var(--palette-primary-hover);
  --secondary-color: var(--palette-secondary);
  --success-color: var(--palette-success);
  --danger-color: var(--palette-danger);
  --warning-color: var(--palette-warning);
  --text-primary: var(--palette-text-dark);
  --text-secondary: var(--palette-text-muted-dark);
  --border-color: var(--palette-border-light);
  --bg-light: var(--palette-bg-light);
  --bg-white: var(--palette-bg-white);
  --shadow-sm: var(--palette-shadow-sm-light);
  --shadow-md: var(--palette-shadow-md-light);
  --shadow-lg: var(--palette-shadow-lg-light);
  --radius: var(--radius);
}

[data-bs-theme="dark"] {
  --primary-color: #3b82f6;
  --primary-hover: #2563eb;
  --secondary-color: #94a3b8;
  --success-color: #34d399;
  --danger-color: #f87171;
  --warning-color: #fbbf24;
  --text-primary: var(--palette-text-light);
  --text-secondary: var(--palette-text-muted-light);
  --border-color: var(--palette-border-dark);
  --bg-light: var(--palette-bg-dark);
  --bg-white: var(--palette-bg-darker);
  --shadow-sm: var(--palette-shadow-sm-dark);
  --shadow-md: var(--palette-shadow-md-dark);
  --shadow-lg: var(--palette-shadow-lg-dark);
  --radius: var(--radius);
}

/* === FRIEND THEME UTILITIES === */
/* Light mode - purple theme */
[data-bs-theme="light"] {
  --friend-primary: var(--palette-friend-primary);
  --friend-primary-hover: var(--palette-friend-primary-hover);
  --friend-alert-bg: var(--palette-friend-alert-bg);
  --friend-alert-border: var(--palette-friend-alert-border);
  --friend-alert-text: var(--palette-friend-alert-text);
}

/* Dark mode - purple theme */
[data-bs-theme="dark"] {
  --friend-primary: var(--palette-friend-primary-dark);
  --friend-primary-hover: var(--palette-friend-primary-hover-dark);
  --friend-alert-bg: var(--palette-friend-alert-bg-dark);
  --friend-alert-border: var(--palette-friend-alert-border-dark);
  --friend-alert-text: var(--palette-friend-alert-text-dark);
}

/* Friend header styling */
.friend-header {
  background-color: var(--friend-primary) !important;
  color: white !important;
}

.friend-header:hover {
  background-color: var(--friend-primary-hover) !important;
}

/* Friend alert/info boxes */
.friend-alert {
  background-color: var(--friend-alert-bg) !important;
  border: 1px solid var(--friend-alert-border) !important;
  color: var(--friend-alert-text) !important;
}

/* Friend table row highlights */
.friend-table-row-total {
  background-color: var(--friend-alert-bg) !important;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* === BUTTON GROUPS === */
/* Fix button group styling for forms inside button groups */
.btn-group > form {
  display: inline;
}

.btn-group > form > button {
  border-radius: 0;
}

.btn-group > form:first-child > button {
  border-top-left-radius: 0.25rem;
  border-bottom-left-radius: 0.25rem;
}

.btn-group > form:last-child > button {
  border-top-right-radius: 0.25rem;
  border-bottom-right-radius: 0.25rem;
}

.btn-group > a:first-child {
  border-top-left-radius: 0.25rem;
  border-bottom-left-radius: 0.25rem;
}

.btn-group > a + a {
  border-radius: 0;
}

.btn-group > a:last-child:not(:first-child) {
  border-top-right-radius: 0.25rem;
  border-bottom-right-radius: 0.25rem;
}

/* Remove duplicate borders between buttons */
.btn-group > :not(:first-child) > .btn,
.btn-group > .btn:not(:first-child),
.btn-group > a:not(:first-child) {
  margin-left: -1px;
}

/* Ensure hover/focus states bring button to front */
.btn-group > .btn:hover,
.btn-group > .btn:focus,
.btn-group > a:hover,
.btn-group > a:focus,
.btn-group > form > .btn:hover,
.btn-group > form > .btn:focus {
  z-index: 1;
}

/* Center icons on mobile */
@media (max-width: 767px) {
  .btn-group .btn i {
    margin: 0 !important;
  }
  .btn-group .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
  }
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-primary) !important;
  background-color: var(--bg-white) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control::placeholder {
  color: var(--palette-text-muted-dark) !important;
}

.form-select {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-primary) !important;
  background-color: var(--bg-white) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius);
  cursor: pointer;
}

.form-select:focus {
  outline: none;
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="time"],
input[type="search"],
input[type="tel"],
input[type="url"] {
  color: var(--text-primary) !important;
  background-color: var(--bg-white) !important;
  border-color: var(--border-color) !important;
}

[data-bs-theme="dark"] .form-control:focus {
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}
[data-bs-theme="dark"] .form-control::placeholder {
  color: #64748b !important;
}
[data-bs-theme="dark"] .form-select:focus {
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}
[data-bs-theme="dark"] .form-select option {
  background-color: #1e293b !important;
  color: #f1f5f9 !important;
}
[data-bs-theme="dark"] .form-control option {
  background-color: #1e293b !important;
  color: #f1f5f9 !important;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

select.form-control {
  cursor: pointer;
}

.form-check {
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem;
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  margin-right: 0.75rem;
  cursor: pointer;
}

.form-check-label {
  cursor: pointer;
  color: var(--text-secondary);
}

.form-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* Alerts */
.alert {
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  border-left: 4px solid;
}

.alert-success {
  background-color: #d1fae5 !important;
  border-color: var(--success-color) !important;
  color: #065f46 !important;
}

.alert-success {
  background-color: var(--palette-success-bg, #d1fae5) !important;
  border-color: var(--success-color) !important;
  color: var(--palette-success-text, #065f46) !important;
}
.alert-danger {
  background-color: var(--palette-danger-bg, #fee2e2) !important;
  border-color: var(--danger-color) !important;
  color: var(--palette-danger-text, #991b1b) !important;
}
.alert-warning {
  background-color: var(--palette-warning-bg, #fef3c7) !important;
  border-color: var(--warning-color) !important;
  color: var(--palette-warning-text, #92400e) !important;
}
.alert-info {
  background-color: var(--palette-info-bg, #dbeafe) !important;
  border-color: var(--primary-color) !important;
  color: var(--palette-info-text, #1e40af) !important;
}

[data-bs-theme="dark"] .alert-danger {
  background-color: rgba(239, 68, 68, 0.2) !important;
  color: #fca5a5 !important;
  border-color: #f87171 !important;
}
[data-bs-theme="dark"] .alert-warning {
  background-color: rgba(245, 158, 11, 0.2) !important;
  color: #fcd34d !important;
  border-color: #fbbf24 !important;
}
[data-bs-theme="dark"] .alert-info {
  background-color: rgba(37, 99, 235, 0.2) !important;
  color: #93c5fd !important;
  border-color: #3b82f6 !important;
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-white) !important;
  background-color: var(--bg-white) !important;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  color: var(--text-primary) !important;
}

.table thead {
  background-color: var(--bg-light) !important;
}

.table th {
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary) !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--bg-light) !important;
}

.table td {
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-primary) !important;
  background-color: transparent !important;
}

.table tbody tr {
  background-color: var(--bg-white) !important;
}

.table tbody tr:hover {
  background-color: var(--bg-light) !important;
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: var(--bg-white) !important;
}

.table-striped tbody tr:nth-of-type(even) {
  background-color: var(--bg-light) !important;
}

.table-hover tbody tr:hover {
  background-color: var(--bg-light) !important;
}

.table-info {
  background-color: rgba(37, 99, 235, 0.1) !important;
}

.table-info td {
  background-color: rgba(37, 99, 235, 0.1) !important;
}

[data-bs-theme="dark"] .table-info {
  background-color: rgba(59, 130, 246, 0.15) !important;
}
[data-bs-theme="dark"] .table-info td {
  background-color: rgba(59, 130, 246, 0.15) !important;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.badge-primary {
  background-color: #dbeafe;
  color: var(--primary-color);
}

.badge-success {
  background-color: #d1fae5;
  color: #065f46;
}

.badge-primary {
  background-color: var(--palette-info-bg, #dbeafe);
  color: var(--primary-color);
}
.badge-success {
  background-color: var(--palette-success-bg, #d1fae5);
  color: var(--palette-success-text, #065f46);
}
.badge-danger {
  background-color: var(--palette-danger-bg, #fee2e2);
  color: var(--palette-danger-text, #991b1b);
}
.badge-warning {
  background-color: var(--palette-warning-bg, #fef3c7);
  color: var(--palette-warning-text, #92400e);
}
.badge-secondary {
  background-color: var(--palette-bg-light);
  color: var(--secondary-color);
}

[data-bs-theme="dark"] .badge-danger {
  background-color: rgba(248, 113, 113, 0.2);
  color: #fca5a5;
}
[data-bs-theme="dark"] .badge-warning {
  background-color: rgba(251, 191, 36, 0.2);
  color: #fcd34d;
}
[data-bs-theme="dark"] .badge-secondary {
  background-color: rgba(148, 163, 184, 0.2);
  color: #cbd5e1;
}

/* Navigation */
.navbar {
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-link {
  padding: 0.5rem 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--primary-color);
}

.nav-link.active {
  color: var(--primary-color);
  font-weight: 600;
}

/* Utilities */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.pt-1 { padding-top: 0.5rem; }
.pt-2 { padding-top: 1rem; }
.pt-3 { padding-top: 1.5rem; }
.pt-4 { padding-top: 2rem; }
.pt-5 { padding-top: 3rem; }

.pb-1 { padding-bottom: 0.5rem; }
.pb-2 { padding-bottom: 1rem; }
.pb-3 { padding-bottom: 1.5rem; }
.pb-4 { padding-bottom: 2rem; }
.pb-5 { padding-bottom: 3rem; }

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-warning { color: var(--warning-color); }

.text-muted {
  color: var(--text-secondary) !important;
}

.text-white {
  color: white !important;
}

[data-bs-theme="dark"] .text-muted {
  color: #94a3b8 !important;
}

.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

.w-full { width: 100%; }
.h-full { height: 100%; }

/* Loading Spinner */
.spinner {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }

  .card {
    padding: 0.0rem;
  }

  .table {
    font-size: 0.875rem;
  }

  .table th,
  .table td {
    padding: 0.75rem;
  }
}

/* Charts and SVG Dark Mode Support */
[data-bs-theme="dark"] canvas {
  color-scheme: dark;
}
[data-bs-theme="dark"] svg text {
  fill: var(--text-primary) !important;
}
[data-bs-theme="dark"] .sankey-tooltip {
  background-color: rgba(30, 41, 59, 0.95) !important;
  color: #f1f5f9 !important;
}
[data-bs-theme="dark"] .heatmap-tooltip {
  background-color: rgba(30, 41, 59, 0.95) !important;
  color: #f1f5f9 !important;
}
[data-bs-theme="dark"] svg rect[fill="#ebedf0"] {
  fill: #1e293b !important;
  stroke: #475569 !important;
}
[data-bs-theme="dark"] svg rect[fill="#9be9a8"] {
  fill: #34d399 !important;
}
[data-bs-theme="dark"] svg rect[fill="#40c463"] {
  fill: #10b981 !important;
}
[data-bs-theme="dark"] svg rect[fill="#30a14e"] {
  fill: #059669 !important;
}
[data-bs-theme="dark"] svg rect[fill="#216e39"] {
  fill: #047857 !important;
}
[data-bs-theme="dark"] svg rect[stroke="#ccc"] {
  stroke: #475569 !important;
}
[data-bs-theme="dark"] svg {
  background-color: transparent !important;
}
/* Devise Forms Styles */
.devise-form .card {
  margin-top: 80px;
}

.devise-form .card-header {
  border-bottom: none;
}

.devise-form .input-group-text {
  background-color: #f8f9fa;
  border-right: none;
}

.devise-form .form-control {
  border-left: none;
}

.devise-form .form-control:focus {
  border-color: #ced4da;
  box-shadow: none;
}

.devise-form .input-group:focus-within .input-group-text {
  border-color: #86b7fe;
}

.devise-form .input-group:focus-within .form-control {
  border-color: #86b7fe;
}

/* Override margin for login page */
.devise-login .card {
  margin-top: 100px;
}

@media (prefers-color-scheme: dark) {
  .devise-form .input-group-text {
    background-color: #334155;
    border-color: var(--border-color);
    color: var(--text-secondary);
  }
  
  .devise-form .input-group:focus-within .input-group-text {
    border-color: var(--primary-color);
  }
}

[data-bs-theme="dark"] .devise-form .input-group-text {
  background-color: #334155;
  border-color: var(--border-color);
  color: var(--text-secondary);
}

[data-bs-theme="dark"] .devise-form .input-group:focus-within .input-group-text {
  border-color: var(--primary-color);
}
/* Food Comparison Table Styles */
.food-compare .table-responsive {
  max-height: 70vh;
  overflow-y: auto;
}

.food-compare .sticky-top {
  position: sticky;
  top: 0;
  z-index: 1;
}

.food-compare .table th {
  background-color: #212529;
  color: white;
}

.food-compare .table td[style*="position: sticky"] {
  box-shadow: 2px 0 5px rgba(0,0,0,0.1);
}

@media (prefers-color-scheme: dark) {
  .food-compare .table th {
    background-color: #0f172a;
  }
  
  .food-compare .table td[style*="position: sticky"] {
    box-shadow: 2px 0 5px rgba(0,0,0,0.4);
  }
}

[data-bs-theme="dark"] .food-compare .table th {
  background-color: #0f172a;
}

[data-bs-theme="dark"] .food-compare .table td[style*="position: sticky"] {
  box-shadow: 2px 0 5px rgba(0,0,0,0.4);
}
/* General Layout Styles */
body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-light);
}

.layout-container {
  display: flex;
  min-height: 100vh;
  background-color: var(--bg-light);
}

.main-content {
  flex: 1;
  overflow-x: hidden;
  margin-left: 250px;
  transition: margin-left 0.3s ease;
  background-color: var(--bg-light);
}

.sidebar.collapsed ~ .main-content {
  margin-left: 60px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

@media (max-width: 768px) {
  .container {
    max-width: 768px;
    margin: 0 auto;
    padding: 5px;
  }
  
  .main-content {
    margin-left: 0;
    padding-top: 56px;
  }
  
  .sidebar.collapsed ~ .main-content {
    margin-left: 0;
  }
}
/* Mobile App Bar Styles */
.mobile-menu-btn {
  display: none;
  position: fixed;
  top: 15px;
  left: 15px;
  z-index: 998;
  background: #2c3e50;
  border: none;
  color: white;
  font-size: 24px;
  width: 50px;
  height: 50px;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.mobile-menu-btn:hover {
  background: #34495e;
}

.mobile-app-bar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background-color: #2c3e50;
  color: white;
  z-index: 998;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  align-items: center;
  padding: 0 16px;
}

@media (prefers-color-scheme: dark) {
  .mobile-menu-btn {
    background: #1e293b;
  }
  
  .mobile-menu-btn:hover {
    background: #334155;
  }
  
  .mobile-app-bar {
    background-color: #1e293b;
    border-bottom: 1px solid var(--border-color);
  }
}

[data-bs-theme="dark"] .mobile-menu-btn {
  background: #1e293b;
}

[data-bs-theme="dark"] .mobile-menu-btn:hover {
  background: #334155;
}

[data-bs-theme="dark"] .mobile-app-bar {
  background-color: #1e293b;
  border-bottom: 1px solid var(--border-color);
}

.mobile-app-bar-btn {
  background: transparent;
  border: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
  padding: 8px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-app-bar-btn:hover {
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
}

.mobile-app-bar-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 20px;
  font-weight: 600;
  text-decoration: none;
  color: white;
}

.mobile-app-bar-title:hover {
  color: #3498db;
}

@media (prefers-color-scheme: dark) {
  .mobile-app-bar-title:hover {
    color: var(--primary-color);
  }
}

[data-bs-theme="dark"] .mobile-app-bar-title:hover {
  color: var(--primary-color);
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
  
  .mobile-app-bar {
    display: flex;
  }
}
/* Sidebar Styles */
.sidebar {
  width: 250px;
  background-color: #2c3e50;
  color: white;
  padding: 20px 0;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 1000;
  transition: transform 0.3s ease, width 0.3s ease;
}

@media (prefers-color-scheme: dark) {
  .sidebar {
    background-color: #1e293b;
    border-right: 1px solid var(--border-color);
  }
}

[data-bs-theme="dark"] .sidebar {
  background-color: #1e293b;
  border-right: 1px solid var(--border-color);
}

.sidebar.collapsed {
  width: 60px;
}

.sidebar-toggle {
  position: absolute;
  top: 10px;
  right: 10px;
  background: transparent;
  border: none;
  color: white;
  font-size: 20px;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.sidebar-toggle:hover {
  color: #3498db;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

.sidebar-overlay.active {
  display: block;
}

.sidebar-header {
  padding: 0 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 20px;
  position: relative;
}

.sidebar-header h4 {
  margin: 0;
  color: white;
  transition: opacity 0.3s ease;
}

.sidebar.collapsed .sidebar-header h4 {
  opacity: 0;
}

.sidebar-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-nav li {
  margin: 0;
}

.sidebar-nav a {
  display: block;
  padding: 12px 20px;
  color: #ecf0f1;
  text-decoration: none;
  transition: background-color 0.2s;
  white-space: nowrap;
}

.sidebar.collapsed .sidebar-nav a {
  padding: 12px 10px;
  text-align: center;
}

.sidebar.collapsed .sidebar-nav a span {
  display: none;
}

.sidebar-nav a:hover {
  background-color: #34495e;
  color: white;
}

.sidebar-nav a.active {
  background-color: #3498db;
  color: white;
}

@media (prefers-color-scheme: dark) {
  .sidebar-nav a {
    color: #f1f5f9;
  }
  
  .sidebar-nav a:hover {
    background-color: #334155;
  }
  
  .sidebar-nav a.active {
    background-color: var(--primary-color);
  }
  
  .sidebar-toggle:hover {
    color: var(--primary-color);
  }
}

[data-bs-theme="dark"] .sidebar-nav a {
  color: #f1f5f9;
}

[data-bs-theme="dark"] .sidebar-nav a:hover {
  background-color: #334155;
}

[data-bs-theme="dark"] .sidebar-nav a.active {
  background-color: var(--primary-color);
}

[data-bs-theme="dark"] .sidebar-toggle:hover {
  color: var(--primary-color);
}

.sidebar-nav i {
  margin-right: 10px;
  width: 20px;
  display: inline-block;
  text-align: center;
}

.sidebar-separator {
  height: 1px;
  background-color: rgba(255,255,255,0.1);
  margin: 20px 10px;
}

/* Mobile Sidebar Styles */
@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    top: 56px;
    height: calc(100vh - 56px);
    transform: translateX(-100%);
    z-index: 1001;
  }
  
  .sidebar-header {
    display: none;
  }
  
  .sidebar-toggle {
    display: none;
  }
  
  .sidebar.mobile-expanded {
    transform: translateX(0);
  }
  
  .sidebar.collapsed {
    width: 100%;
    transform: translateX(-100%);
  }
  
  .sidebar-header h4 {
    display: block;
    opacity: 1;
  }
  
  .sidebar-nav a {
    text-align: left;
    padding: 12px 20px;
  }
  
  .sidebar-nav a span {
    display: inline;
  }
}
/* Theme Preference Preview Cards */
.theme-preview-card {
  display: block;
  border: 3px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  background: var(--bg-white);
}

.theme-preview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.theme-preview-card.active {
  border-color: var(--primary-color);
  border-width: 3px;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

[data-bs-theme="dark"] .theme-preview-card.active {
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.theme-preview-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-weight: 600;
  font-size: 1.1rem;
}

.theme-icon {
  font-size: 1.5rem;
}

.theme-preview-content {
  height: 100px;
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.light-preview {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  border: 1px solid #cbd5e1;
}

.dark-preview {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border: 1px solid #334155;
}

.auto-preview {
  background: linear-gradient(135deg, #f8fafc 0%, #1e293b 100%);
  border: 1px solid #64748b;
}

.preview-element {
  height: 20px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.light-preview .preview-element:nth-child(1) {
  background: #2563eb;
  width: 70%;
}

.light-preview .preview-element:nth-child(2) {
  background: #64748b;
  width: 50%;
}

.light-preview .preview-element:nth-child(3) {
  background: #e2e8f0;
  width: 90%;
}

.dark-preview .preview-element:nth-child(1) {
  background: #3b82f6;
  width: 70%;
}

.dark-preview .preview-element:nth-child(2) {
  background: #94a3b8;
  width: 50%;
}

.dark-preview .preview-element:nth-child(3) {
  background: #334155;
  width: 90%;
}

.auto-preview .preview-element:nth-child(1) {
  background: linear-gradient(90deg, #2563eb 0%, #3b82f6 100%);
  width: 70%;
}

.auto-preview .preview-element:nth-child(2) {
  background: linear-gradient(90deg, #64748b 0%, #94a3b8 100%);
  width: 50%;
}

.auto-preview .preview-element:nth-child(3) {
  background: linear-gradient(90deg, #e2e8f0 0%, #334155 100%);
  width: 90%;
}

/* Animation on selection */
.theme-preview-card input[type="radio"]:checked + .theme-preview-header {
  color: var(--primary-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .theme-preview-card {
    padding: 1rem;
    margin-bottom: 1rem;
  }
  
  .theme-preview-content {
    height: 80px;
  }
}
/*
 * This is a manifest file that'll be compiled into application.css, which will include all the files
 * listed below.
 *
 * Any CSS (and SCSS, if configured) file within this directory, lib/assets/stylesheets, or any plugin's
 * vendor/assets/stylesheets directory can be referenced here using a relative path.
 *
 * You're free to add application-wide styles to this file and they'll appear at the bottom of the
 * compiled file so the styles you add here take precedence over styles defined in any other CSS
 * files in this directory. Styles in this file should be added after the last require_* statement.
 * It is generally better to create a new file per style scope.
 *


 */