:root {
    /* Corporate Dark Theme Palette */
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-card: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --border-color: #334155;
    
    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background-color: var(--bg-darker);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    overflow-x: clip;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.2s ease-in-out;
}

a:hover {
    color: var(--accent-blue-hover);
}

.btn-primary {
    color: #fff;
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    border-radius: 0.375rem;
    transition: all 0.2s ease-in-out;
}

.btn-primary:hover {
    background-color: var(--accent-blue-hover);
    border-color: var(--accent-blue-hover);
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.4);
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.card-header {
    background-color: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

/* Form Styling */
.form-control {
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

/* Fix Chrome Autofill Contrast in Dark Mode */
input:-webkit-autofill,
input:-webkit-autofill:hover, 
input:-webkit-autofill:focus, 
input:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 30px var(--bg-dark) inset !important;
    -webkit-text-fill-color: var(--text-primary) !important;
    transition: background-color 5000s ease-in-out 0s;
    caret-color: var(--text-primary);
}

.form-control:focus {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.25);
}

.form-control:disabled, .form-control[readonly] {
    background-color: var(--bg-card);
    opacity: 0.7;
    color: var(--text-secondary);
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: transparent; /* Fix overlapping placeholder text when empty */
}

.form-floating > .form-control:focus::placeholder {
    color: var(--text-secondary);
}

.form-floating > label {
    color: var(--text-secondary);
}

.form-floating > .form-control:focus ~ label {
    color: var(--accent-blue);
}

.form-floating > .form-control:focus ~ label::after, 
.form-floating > .form-control:not(:placeholder-shown) ~ label::after {
    background-color: var(--bg-dark) !important;
}

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

.table-striped > tbody > tr:nth-of-type(odd) > * {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.02);
}

.validation-message {
    color: var(--danger);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.blazor-error-boundary {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    padding: 1rem;
    border-radius: 0.5rem;
    color: var(--danger);
}

/* Sidebar overriding */
.sidebar {
    background-color: var(--bg-dark) !important;
    border-right: 1px solid var(--border-color);
    overflow-x: hidden; /* Never allow horizontal scroll */
}

.top-row {
    background-color: rgba(15, 23, 42, 0.8) !important; /* var(--bg-dark) with opacity */
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
}

/* Sidebar collapse — global CSS so it can reach NavMenu child component */
.page.sidebar-collapsed .sidebar .nav-text,
.page.sidebar-collapsed .sidebar .navbar-brand .nav-text {
    display: none !important;
}

.sidebar .nav-text {
    transition: opacity 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-link {
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Content area fills remaining main height */
article.content {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
}