:root {
    /* Light Theme Colors (Default) - Similar to VS Code Light Theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f3f3f3;
    --bg-tertiary: #e8e8e8;
    --bg-hover: #e0e0e0;
    --bg-active: #d4d4d4;
    
    --text-primary: #000000;
    --text-secondary: #616161;
    --text-muted: #6c757d;
    --text-inverse: #ffffff;
    
    --border-color: #d1d1d1;
    --border-hover: #b0b0b0;
    
    --link-color: #006bb7;
    --link-hover: #005a9e;
    
    --btn-primary-bg: #1b6ec2;
    --btn-primary-border: #1861ac;
    --btn-primary-hover-bg: #155a9e;
    --btn-primary-text: #ffffff;
    
    --success-color: #26b050;
    --error-color: #e50000;
    --warning-color: #ffa500;
    --info-color: #0078d4;
    
    --sidebar-bg: #f8f9fa;
    --sidebar-text: #212529;
    --sidebar-hover: #e9ecef;
    
    --card-bg: #ffffff;
    --card-border: #dee2e6;
    --card-shadow: rgba(0, 0, 0, 0.1);
    
    --input-bg: #ffffff;
    --input-border: #ced4da;
    --input-focus-border: #258cfb;
    --input-text: #000000;
    
    --navbar-bg: #ffffff;
    --navbar-text: #000000;
    --navbar-border: #d1d1d1;
}

[data-theme="dark"] {
    /* Dark Theme Colors - Similar to VS Code Dark Theme */
    --bg-primary: #1e1e1e;
    --bg-secondary: #252526;
    --bg-tertiary: #2d2d30;
    --bg-hover: #2a2d2e;
    --bg-active: #37373d;
    
    --text-primary: #cccccc;
    --text-secondary: #9d9d9d;
    --text-muted: #858585;
    --text-inverse: #1e1e1e;
    
    --border-color: #3e3e42;
    --border-hover: #4e4e52;
    
    --link-color: #4daafc;
    --link-hover: #75bfff;
    
    --btn-primary-bg: #0e639c;
    --btn-primary-border: #0d5a8c;
    --btn-primary-hover-bg: #1177bb;
    --btn-primary-text: #ffffff;
    
    --success-color: #89d185;
    --error-color: #f48771;
    --warning-color: #ffcc00;
    --info-color: #4daafc;
    
    --sidebar-bg: #252526;
    --sidebar-text: #cccccc;
    --sidebar-hover: #2a2d2e;
    
    --card-bg: #252526;
    --card-border: #3e3e42;
    --card-shadow: rgba(0, 0, 0, 0.3);
    
    --input-bg: #3c3c3c;
    --input-border: #3e3e42;
    --input-focus-border: #007fd4;
    --input-text: #cccccc;
    
    --navbar-bg: #252526;
    --navbar-text: #cccccc;
    --navbar-border: #3e3e42;
}

/* Apply theme variables to elements */
html, body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

a, .btn-link {
    color: var(--link-color);
}

a:hover, .btn-link:hover {
    color: var(--link-hover);
}

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

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

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem var(--bg-primary), 0 0 0 0.25rem var(--input-focus-border);
}

.content {
    padding-top: 1.1rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--success-color);
}

.invalid {
    outline: 1px solid var(--error-color);
}

.validation-message {
    color: var(--error-color);
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}

.darker-border-checkbox.form-check-input {
    border-color: var(--border-color);
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--text-muted);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* Card styling */
.card {
    background-color: var(--card-bg);
    border-color: var(--card-border);
    color: var(--text-primary);
}

.card-header {
    border-color: var(--card-border);
}

.card-body {
    background-color: var(--card-bg);
    color: var(--text-primary);
}

/* Form controls */
.form-control, .form-select {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--input-text);
}

.form-control:focus, .form-select:focus {
    background-color: var(--input-bg);
    border-color: var(--input-focus-border);
    color: var(--input-text);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* Tables */
.table {
    color: var(--text-primary);
    --bs-table-bg: transparent;
    --bs-table-border-color: var(--border-color);
}

.table > :not(caption) > * > * {
    background-color: var(--bg-primary);
    border-bottom-color: var(--border-color);
}

.table > thead {
    border-bottom-color: var(--border-color);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: var(--bg-secondary);
}

.table-hover > tbody > tr:hover > * {
    background-color: var(--bg-hover);
}

/* Sidebar */
.sidebar {
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
}

.sidebar .nav-link {
    color: var(--sidebar-text);
}

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

/* Modern Navigation Menu */
.modern-nav .nav-section-header {
    color: var(--text-primary);
}

.modern-nav .nav-item .nav-link {
    color: var(--sidebar-text);
}

.modern-nav .nav-item .nav-link:hover {
    background-color: var(--sidebar-hover);
}

.modern-nav .nav-submenu {
    border-left-color: var(--border-color);
}

/* Navbar/Top bar */
.top-row {
    background-color: var(--navbar-bg);
    border-bottom: 1px solid var(--navbar-border);
}

.top-row a {
    color: var(--navbar-text);
}

/* Alerts */
.alert-info {
    background-color: var(--info-color);
    border-color: var(--info-color);
    color: var(--text-inverse);
}

.alert-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
    color: var(--text-inverse);
}

.alert-danger {
    background-color: var(--error-color);
    border-color: var(--error-color);
    color: var(--text-inverse);
}

.alert-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    color: var(--text-inverse);
}

/* Text utilities */
.text-muted {
    color: var(--text-muted) !important;
}

/* Modals */
.modal-content {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border-color: var(--card-border);
}

.modal-header, .modal-footer {
    border-color: var(--card-border);
}

/* Dropdown menus */
.dropdown-menu {
    background-color: var(--card-bg);
    border-color: var(--card-border);
}

.dropdown-item {
    color: var(--text-primary);
}

.dropdown-item:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

/* List groups */
.list-group-item {
    background-color: var(--card-bg);
    border-color: var(--card-border);
    color: var(--text-primary);
}

.list-group-item:hover {
    background-color: var(--bg-hover);
}

/* Badges */
.badge {
    color: var(--text-inverse);
}

/* Progress bars */
.progress {
    background-color: var(--bg-secondary);
}

/* Theme toggle button styling */
.theme-toggle {
    background-color: var(--btn-primary-bg);
    border-color: var(--btn-primary-border);
    color: var(--btn-primary-text);
    border-radius: 0.25rem;
    padding: 0.375rem 0.75rem;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background-color: var(--btn-primary-hover-bg);
    cursor: pointer;
}

/* Smooth transitions for theme changes */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Additional polish for modern UI */
.page {
    transition: all 0.3s ease;
}

/* Scrollbar styling for modern look */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* Focus states for accessibility */
button:focus,
a:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--link-color);
    outline-offset: 2px;
}

/* Improve link readability */
a:not(.btn):not(.nav-link) {
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: text-decoration-color 0.2s ease;
}

a:not(.btn):not(.nav-link):hover {
    text-decoration-color: currentColor;
}