html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

:root {
    --color-primary: #1e6bb4;
    --color-secondary: #fff500;
    /* Light theme colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --card-bg: #ffffff;
    --input-bg: #ffffff;
    --input-border: #ced4da;
}

/* Dark theme colors */
[data-theme="dark"] {
    --color-primary: #3d9fff;
    --color-secondary: #ffd700;
    
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #e9ecef;
    --text-secondary: #adb5bd;
    --border-color: #495057;
    --card-bg: #2d2d2d;
    --input-bg: #343a40;
    --input-border: #495057;
}

/* Auto dark mode based on browser preference */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-primary: #3d9fff;
        --color-secondary: #ffd700;
        
        --bg-primary: #1a1a1a;
        --bg-secondary: #2d2d2d;
        --text-primary: #e9ecef;
        --text-secondary: #adb5bd;
        --border-color: #495057;
        --card-bg: #2d2d2d;
        --input-bg: #343a40;
        --input-border: #495057;
    }
}

html {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

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

.btn-primary {
    color: #fff;
    background-color: var(--color-primary);
    border-color: #0870ce;
}

.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
    background-color: #0870ce;
    border-color: #0764ba;
}

.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 var(--color-secondary);
}

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

.btn-outline-primary:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.card-header.bg-primary {
    background-color: var(--color-primary) !important;
}

.border-primary {
    border-color: var(--color-primary) !important;
}

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

.badge.bg-primary {
    background-color: var(--color-primary) !important;
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.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: #929292;
}

/* Dark mode overrides for Bootstrap components */
[data-theme="dark"] .card {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .card {
        background-color: var(--card-bg);
        color: var(--text-primary);
        border-color: var(--border-color);
    }
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--input-bg);
    color: var(--text-primary);
    border-color: var(--input-border);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .form-control,
    :root:not([data-theme="light"]) .form-select {
        background-color: var(--input-bg);
        color: var(--text-primary);
        border-color: var(--input-border);
    }
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: var(--input-bg);
    color: var(--text-primary);
    border-color: var(--color-primary);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .form-control:focus,
    :root:not([data-theme="light"]) .form-select:focus {
        background-color: var(--input-bg);
        color: var(--text-primary);
        border-color: var(--color-primary);
    }
}

[data-theme="dark"] .table {
    color: var(--text-primary);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .table {
        color: var(--text-primary);
    }
}

[data-theme="dark"] .modal-content {
    background-color: var(--card-bg);
    color: var(--text-primary);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .modal-content {
        background-color: var(--card-bg);
        color: var(--text-primary);
    }
}

[data-theme="dark"] .list-group-item {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .list-group-item {
        background-color: var(--card-bg);
        color: var(--text-primary);
        border-color: var(--border-color);
    }
}

/* Theme toggle button styles */
.theme-toggle {
    position: fixed;
    bottom: 1rem;
    left: 1rem;
    z-index: 1000;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.theme-toggle:hover {
    background: var(--color-primary);
    color: white;
    transform: scale(1.1);
}

.theme-toggle-icon {
    font-size: 2.4rem;
}