:root {
    /* Primary colors - harmonious blue palette */
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-primary-light: #3b82f6;

    /* Secondary colors */
    --color-secondary: #4f46e5;
    --color-secondary-light: #818cf8;

    /* Sidebar gradient - navy blue to deep indigo */
    --color-sidebar-start: #101E49FF;
    --color-sidebar-end: #141333FF;

    /* Background colors */
    --color-bg-topbar: #f0f9ff;
    --color-bg-nav-dark: rgba(30, 58, 138, 0.6);
    --color-bg-nav-hover: rgba(96, 165, 250, 0.2);
    --color-bg-nav-active: rgba(96, 165, 250, 0.3);

    /* Text colors */
    --color-text-white: #ffffff;
    --color-text-light: #bfdbfe;
    --color-text-link: #2563eb;

    /* Border colors */
    --color-border-light: #eef0f3;
    --color-border-white-subtle: rgba(255, 255, 255, 0.15);
    --color-border-nav: rgba(255, 255, 255, 0.1);

    /* State colors */
    --color-success: #22c55e;
    --color-error: #ef4444;
    --color-error-bg: #dc2626;
    --color-warning-bg: #fef3c7;

    /* Focus & interactions */
    --color-focus: #2563eb;
    --color-shadow: rgba(30, 58, 138, 0.1);
    --color-shadow-md: rgba(30, 58, 138, 0.2);
    --color-shadow-lg: rgba(30, 58, 138, 0.25);
    --color-white-overlay-checked: rgba(191, 219, 254, 0.25);
    --color-stroke: rgba(255, 255, 255, 0.7);

    /* Breakpoints */
    --breakpoint-mobile: 480px;
    --breakpoint-tablet: 768px;
    --breakpoint-desktop: 1024px;
}


html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

.btn-primary {
    color: var(--color-text-white);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border: none;
    font-weight: 500;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-secondary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(37, 99, 235, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.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-focus);
    outline: none;
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

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

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

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

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

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

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

/* Modern card styles */
.card {
    border-radius: 12px;
    border: 1px solid var(--color-border-light);
    box-shadow: 0 1px 3px var(--color-shadow), 0 0 0 1px rgba(37, 99, 235, 0.03);
    background: linear-gradient(to bottom, #ffffff 0%, #fefefe 100%);
}

.table {
    border-color: var(--color-border-light);
}

.table thead th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: #475569;
    border-bottom: 2px solid var(--color-border-light);
}

.table tbody tr:hover {
    background-color: #f0f9ff;
    transition: background-color 0.15s ease;
}

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

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

/* ===== Bootstrap Components Override - Blue Theme ===== */

/* Alerts */
.alert-primary {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-color: #93c5fd;
    color: #1e40af;
}

.alert-info {
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    border-color: #7dd3fc;
    color: #0369a1;
}

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border-color: #6ee7b7;
    color: #047857;
}

.alert-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-color: #fcd34d;
    color: #92400e;
}

.alert-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-color: #fca5a5;
    color: #991b1b;
}

/* Badges */
.badge {
    font-weight: 500;
    letter-spacing: 0.02em;
}

.badge.bg-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%) !important;
    box-shadow: 0 1px 2px rgba(37, 99, 235, 0.2);
}

.badge.bg-secondary {
    background: linear-gradient(135deg, #6366f1 0%, #818cf8 100%) !important;
}

.badge.bg-success {
    background: linear-gradient(135deg, #059669 0%, #10b981 100%) !important;
}

.badge.bg-info {
    background: linear-gradient(135deg, #0284c7 0%, #0ea5e9 100%) !important;
}

.badge.bg-warning {
    background: linear-gradient(135deg, #d97706 0%, #f59e0b 100%) !important;
}

.badge.bg-danger {
    background: linear-gradient(135deg, #dc2626 0%, var(--color-error) 100%) !important;
}

/* Outline Buttons */
.btn-outline-primary {
    color: var(--color-primary);
    border-color: var(--color-primary);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-outline-primary:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.25);
}

.btn-outline-secondary {
    color: var(--color-secondary);
    border-color: #94a3b8;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-outline-secondary:hover {
    background: #64748b;
    border-color: #64748b;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(100, 116, 139, 0.25);
}

.btn-outline-info {
    color: #0ea5e9;
    border-color: #0ea5e9;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-outline-info:hover {
    background: #0ea5e9;
    border-color: #0ea5e9;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(14, 165, 233, 0.25);
}

/* Card Headers with Colors */
.card-header.bg-success {
    background: linear-gradient(135deg, #059669 0%, #10b981 100%) !important;
    border-bottom: 2px solid #047857;
}

.card-header.bg-info {
    background: linear-gradient(135deg, #0284c7 0%, #0ea5e9 100%) !important;
    border-bottom: 2px solid #0369a1;
}

.card-header.bg-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%) !important;
    border-bottom: 2px solid var(--color-primary-dark);
}

/* Card Borders */
.card.border-success {
    border-color: #6ee7b7 !important;
    box-shadow: 0 2px 8px rgba(5, 150, 105, 0.15);
}

.card.border-info {
    border-color: #7dd3fc !important;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.15);
}

.card.border-primary {
    border-color: #93c5fd !important;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.15);
}

/* Spinner */
.spinner-border {
    border-color: var(--color-border-light);
    border-right-color: transparent;
}

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

.text-success {
    color: #059669 !important;
}

.text-info {
    color: #0284c7 !important;
}

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

/* Breadcrumb */
.breadcrumb {
    background-color: transparent;
}

.breadcrumb-item a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-item a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: #64748b;
}

/* Form Controls */
.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.25rem rgba(37, 99, 235, 0.15);
}

.form-label {
    font-weight: 500;
    color: #475569;
}

/* Links */
a {
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-primary-dark);
}

/* Code blocks */
code {
    background-color: #f1f5f9;
    color: #1e40af;
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-size: 0.875em;
}

/* Small buttons consistency */
.btn-sm {
    font-size: 0.875rem;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
}

/* Additional button styles */
.btn-secondary {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
    border: none;
    color: white;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #475569 0%, #334155 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(100, 116, 139, 0.3);
    color: white;
}

.btn-secondary:focus, .btn-secondary:active:focus,
.btn-outline-secondary:focus, .btn-outline-secondary:active:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #475569;
}

.btn-success {
    background: linear-gradient(135deg, #059669 0%, #10b981 100%);
    border: none;
    color: white;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-success:hover {
    background: linear-gradient(135deg, #047857 0%, #059669 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(5, 150, 105, 0.3);
    color: white;
}

.btn-success:focus, .btn-success:active:focus,
.btn-outline-success:focus, .btn-outline-success:active:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #10b981;
}

.btn-info {
    background: linear-gradient(135deg, #0284c7 0%, #0ea5e9 100%);
    border: none;
    color: white;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-info:hover {
    background: linear-gradient(135deg, #0369a1 0%, #0284c7 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(14, 165, 233, 0.3);
    color: white;
}

.btn-info:focus, .btn-info:active:focus,
.btn-outline-info:focus, .btn-outline-info:active:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #0ea5e9;
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-error) 0%, #dc2626 100%);
    border: none;
    color: white;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(239, 68, 68, 0.3);
    color: white;
}

.btn-danger:focus, .btn-danger:active:focus,
.btn-outline-danger:focus, .btn-outline-danger:active:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #dc2626; 
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border: none;
    color: white;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(245, 158, 11, 0.3);
    color: white;
}

.btn-warning:focus, .btn-warning:active:focus,
.btn-outline-warning:focus, .btn-outline-warning:active:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #f59e0b;
}

/* Login card special styling */
.card-header h3 {
    font-weight: 600;
    color: #1e293b;
}

.card-header:first-child {
    border-radius: 12px 12px 0 0 !important;
}

/* Table improvements */
.table-striped tbody tr:nth-of-type(odd) {
    background-color: #f8fafc;
}

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

td {
    align-content: center;
}

/* Muted text improvements */
.text-muted {
    color: #64748b !important;
}

/* User info component */
.top-row {
    background-color: var(--color-bg-topbar);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    height: 3.5rem;
}

.user-info {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    text-decoration: none;
}

.user-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 12px;
    background: linear-gradient(135deg, #6366f1 0%, #818cf8 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.25rem;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.user-email {
    font-weight: 500;
    color: var(--color-primary-dark);
}

.user-role {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
}

/* === Responsive Display Utilities === */

/* Hide on specific breakpoints */
.hidden-mobile,
.hidden-tablet,
.hidden-desktop {
    display: inline; /* default: visible */
}

@media (max-width: 480px) {
    .hidden-mobile {
        display: none !important;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .hidden-tablet {
        display: none !important;
    }
}

@media (min-width: 769px) {
    .hidden-desktop {
        display: none !important;
    }
}

/* Show only on specific breakpoints */
.show-mobile-only,
.show-tablet-only,
.show-desktop-only {
    display: none !important; /* default: hidden */
}

@media (max-width: 480px) {
    .show-mobile-only {
        display: inline !important;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .show-tablet-only {
        display: inline !important;
    }
}

@media (min-width: 769px) {
    .show-desktop-only {
        display: inline !important;
    }
}