/* VarAware Software - Enterprise Theme */
/* Color Palette based on logo: Deep Navy Blue (#0a2540) */

:root {
    /* Primary Colors */
    --va-primary: #0a2540;
    --va-primary-light: #1a3a5c;
    --va-primary-dark: #051830;
    
    /* Secondary/Accent Colors */
    --va-accent: #0066cc;
    --va-accent-light: #3399ff;
    --va-accent-dark: #004d99;
    
    /* Neutral Colors */
    --va-white: #ffffff;
    --va-gray-50: #f9fafb;
    --va-gray-100: #f3f4f6;
    --va-gray-200: #e5e7eb;
    --va-gray-300: #d1d5db;
    --va-gray-400: #9ca3af;
    --va-gray-500: #6b7280;
    --va-gray-600: #4b5563;
    --va-gray-700: #374151;
    --va-gray-800: #1f2937;
    --va-gray-900: #111827;
    
    /* Semantic Colors */
    --va-success: #10b981;
    --va-warning: #f59e0b;
    --va-error: #ef4444;
    --va-info: #3b82f6;
    
    /* Gradients */
    --va-gradient-primary: linear-gradient(135deg, #0a2540 0%, #1a3a5c 100%);
    --va-gradient-accent: linear-gradient(135deg, #0066cc 0%, #3399ff 100%);
    --va-gradient-hero: linear-gradient(180deg, #0a2540 0%, #1a3a5c 50%, #0a2540 100%);
    
    /* Typography */
    --va-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --va-font-size-xs: 0.75rem;
    --va-font-size-sm: 0.875rem;
    --va-font-size-base: 1rem;
    --va-font-size-lg: 1.125rem;
    --va-font-size-xl: 1.25rem;
    --va-font-size-2xl: 1.5rem;
    --va-font-size-3xl: 1.875rem;
    --va-font-size-4xl: 2.25rem;
    --va-font-size-5xl: 3rem;
    --va-font-size-6xl: 3.75rem;
    --va-font-size-7xl: 4.5rem;
    
    /* Spacing */
    --va-spacing-xs: 0.25rem;
    --va-spacing-sm: 0.5rem;
    --va-spacing-md: 1rem;
    --va-spacing-lg: 1.5rem;
    --va-spacing-xl: 2rem;
    --va-spacing-2xl: 3rem;
    --va-spacing-3xl: 4rem;
    --va-spacing-4xl: 6rem;
    
    /* Border Radius */
    --va-radius-sm: 0.25rem;
    --va-radius-md: 0.5rem;
    --va-radius-lg: 0.75rem;
    --va-radius-xl: 1rem;
    --va-radius-full: 9999px;
    
    /* Shadows */
    --va-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --va-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --va-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --va-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --va-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --va-transition-fast: 150ms ease;
    --va-transition-base: 300ms ease;
    --va-transition-slow: 500ms ease;
    
    /* Safe area for mobile devices */
    --va-safe-area-top: env(safe-area-inset-top, 0);
    --va-safe-area-bottom: env(safe-area-inset-bottom, 0);
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

html, body {
    font-family: var(--va-font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--va-gray-800);
    background-color: var(--va-white);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Accessibility - Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--va-accent);
    color: var(--va-white);
    padding: var(--va-spacing-sm) var(--va-spacing-md);
    z-index: 10000;
    text-decoration: none;
    font-weight: 600;
}

.skip-link:focus {
    top: 0;
}

/* Focus styles for accessibility */
:focus-visible {
    outline: 2px solid var(--va-accent);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--va-accent-light);
    outline-offset: 2px;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ...existing code for h1-h6, p, a, img... */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 var(--va-spacing-md) 0;
    color: var(--va-gray-900);
    overflow-wrap: break-word;
    word-wrap: break-word;
}

h1 { font-size: var(--va-font-size-5xl); }
h2 { font-size: var(--va-font-size-4xl); }
h3 { font-size: var(--va-font-size-3xl); }
h4 { font-size: var(--va-font-size-2xl); }
h5 { font-size: var(--va-font-size-xl); }
h6 { font-size: var(--va-font-size-lg); }

h1:focus {
    outline: none;
}

p {
    margin: 0 0 var(--va-spacing-md) 0;
}

a {
    color: var(--va-accent);
    text-decoration: none;
    transition: color var(--va-transition-fast);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container with mobile padding */
.va-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--va-spacing-xl);
}

@media (max-width: 768px) {
    .va-container {
        padding: 0 var(--va-spacing-md);
    }
}

@media (max-width: 480px) {
    .va-container {
        padding: 0 var(--va-spacing-sm);
    }
}

.va-container-sm {
    max-width: 960px;
}

.va-container-lg {
    max-width: 1600px;
}

/* Buttons - Enhanced for mobile touch */
.va-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--va-spacing-sm);
    padding: var(--va-spacing-md) var(--va-spacing-xl);
    font-family: var(--va-font-family);
    font-size: var(--va-font-size-base);
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--va-radius-md);
    cursor: pointer;
    transition: all var(--va-transition-fast);
    min-height: 44px; /* Minimum touch target size */
    touch-action: manipulation; /* Faster touch response */
    -webkit-tap-highlight-color: transparent;
}

/* ...existing code for button variants... */

.va-btn-primary {
    background-color: var(--va-accent);
    color: var(--va-white);
    border-color: var(--va-accent);
}

.va-btn-primary:hover {
    background-color: var(--va-accent-dark);
    border-color: var(--va-accent-dark);
    color: var(--va-white);
    transform: translateY(-2px);
    box-shadow: var(--va-shadow-lg);
}

.va-btn-primary:active {
    transform: translateY(0);
}

.va-btn-secondary {
    background-color: transparent;
    color: var(--va-white);
    border-color: var(--va-white);
}

.va-btn-secondary:hover {
    background-color: var(--va-white);
    color: var(--va-primary);
}

.va-btn-outline {
    background-color: transparent;
    color: var(--va-accent);
    border-color: var(--va-accent);
}

.va-btn-outline:hover {
    background-color: var(--va-accent);
    color: var(--va-white);
}

.va-btn-lg {
    padding: var(--va-spacing-lg) var(--va-spacing-2xl);
    font-size: var(--va-font-size-lg);
    min-height: 52px;
}

.va-btn-sm {
    padding: var(--va-spacing-sm) var(--va-spacing-md);
    font-size: var(--va-font-size-sm);
    min-height: 36px;
}

/* Cards */
.va-card {
    background-color: var(--va-white);
    border-radius: var(--va-radius-lg);
    box-shadow: var(--va-shadow-md);
    padding: var(--va-spacing-xl);
    transition: all var(--va-transition-base);
}

@media (hover: hover) {
    .va-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--va-shadow-xl);
    }
}

.va-card-dark {
    background-color: var(--va-primary-light);
    color: var(--va-white);
}

/* Section Styles - Mobile responsive */
.va-section {
    padding: var(--va-spacing-4xl) 0;
}

@media (max-width: 768px) {
    .va-section {
        padding: var(--va-spacing-2xl) 0;
    }
}

.va-section-dark {
    background: var(--va-gradient-primary);
    color: var(--va-white);
}

.va-section-dark h1,
.va-section-dark h2,
.va-section-dark h3 {
    color: var(--va-white);
}

.va-section-gray {
    background-color: var(--va-gray-50);
}

.va-section-title {
    text-align: center;
    margin-bottom: var(--va-spacing-3xl);
}

@media (max-width: 768px) {
    .va-section-title {
        margin-bottom: var(--va-spacing-xl);
    }
}

.va-section-title h2 {
    margin-bottom: var(--va-spacing-md);
}

.va-section-title p {
    font-size: var(--va-font-size-lg);
    color: var(--va-gray-600);
    max-width: 700px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .va-section-title p {
        font-size: var(--va-font-size-base);
    }
}

/* Grid System */
.va-grid {
    display: grid;
    gap: var(--va-spacing-xl);
}

@media (max-width: 768px) {
    .va-grid {
        gap: var(--va-spacing-md);
    }
}

.va-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.va-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.va-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .va-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .va-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .va-grid-2,
    .va-grid-3,
    .va-grid-4 {
        grid-template-columns: 1fr;
    }
    
    h1 { font-size: var(--va-font-size-3xl); }
    h2 { font-size: var(--va-font-size-2xl); }
    h3 { font-size: var(--va-font-size-xl); }
}

@media (max-width: 480px) {
    h1 { font-size: var(--va-font-size-2xl); }
    h2 { font-size: var(--va-font-size-xl); }
    h3 { font-size: var(--va-font-size-lg); }
}

/* Feature Icons */
.va-icon-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--va-gradient-accent);
    border-radius: var(--va-radius-full);
    color: var(--va-white);
    font-size: var(--va-font-size-2xl);
    margin-bottom: var(--va-spacing-md);
}

@media (max-width: 768px) {
    .va-icon-circle {
        width: 56px;
        height: 56px;
        font-size: var(--va-font-size-xl);
    }
}

/* Text Utilities */
.va-text-center { text-align: center; }
.va-text-left { text-align: left; }
.va-text-right { text-align: right; }

.va-text-muted { color: var(--va-gray-500); }
.va-text-white { color: var(--va-white); }
.va-text-accent { color: var(--va-accent); }

.va-font-light { font-weight: 300; }
.va-font-normal { font-weight: 400; }
.va-font-medium { font-weight: 500; }
.va-font-semibold { font-weight: 600; }
.va-font-bold { font-weight: 700; }

/* Spacing Utilities */
.va-mt-0 { margin-top: 0; }
.va-mt-1 { margin-top: var(--va-spacing-sm); }
.va-mt-2 { margin-top: var(--va-spacing-md); }
.va-mt-3 { margin-top: var(--va-spacing-lg); }
.va-mt-4 { margin-top: var(--va-spacing-xl); }
.va-mt-5 { margin-top: var(--va-spacing-2xl); }

.va-mb-0 { margin-bottom: 0; }
.va-mb-1 { margin-bottom: var(--va-spacing-sm); }
.va-mb-2 { margin-bottom: var(--va-spacing-md); }
.va-mb-3 { margin-bottom: var(--va-spacing-lg); }
.va-mb-4 { margin-bottom: var(--va-spacing-xl); }
.va-mb-5 { margin-bottom: var(--va-spacing-2xl); }

/* Loading Screen */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    min-height: 100dvh; /* Dynamic viewport height for mobile */
    background: var(--va-gradient-primary);
    padding: var(--va-spacing-xl);
}

.loading-progress {
    position: relative;
    display: block;
    width: 8rem;
    height: 8rem;
}

@media (max-width: 480px) {
    .loading-progress {
        width: 6rem;
        height: 6rem;
    }
}

.loading-progress circle {
    fill: none;
    stroke: rgba(255, 255, 255, 0.2);
    stroke-width: 0.6rem;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
}

.loading-progress circle:last-child {
    stroke: var(--va-accent-light);
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray 0.05s ease-in-out;
}

.loading-progress-text {
    position: relative;
    text-align: center;
    font-weight: 600;
    color: var(--va-white);
    margin-top: var(--va-spacing-md);
}

.loading-progress-text:after {
    content: var(--blazor-load-percentage-text, "Loading");
}

/* Blazor Error UI */
#blazor-error-ui {
    color-scheme: light only;
    background: var(--va-error);
    color: var(--va-white);
    bottom: 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: var(--va-spacing-md) var(--va-spacing-xl);
    padding-bottom: calc(var(--va-spacing-md) + var(--va-safe-area-bottom));
    position: fixed;
    width: 100%;
    z-index: 1000;
    font-family: var(--va-font-family);
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: var(--va-spacing-lg);
    top: 50%;
    transform: translateY(-50%);
}

#blazor-error-ui .reload {
    color: var(--va-white);
    text-decoration: underline;
    margin-left: var(--va-spacing-sm);
}

.blazor-error-boundary {
    background: var(--va-error);
    padding: var(--va-spacing-lg);
    color: white;
    border-radius: var(--va-radius-md);
}

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

/* Form Styles - Mobile optimized */
.va-form-group {
    margin-bottom: var(--va-spacing-lg);
}

.va-label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--va-spacing-sm);
    color: var(--va-gray-700);
}

.va-input,
.va-textarea,
.va-select {
    width: 100%;
    padding: var(--va-spacing-md);
    font-family: var(--va-font-family);
    font-size: 16px; /* Prevents iOS zoom on focus */
    border: 2px solid var(--va-gray-200);
    border-radius: var(--va-radius-md);
    background-color: var(--va-white);
    transition: border-color var(--va-transition-fast), box-shadow var(--va-transition-fast);
    -webkit-appearance: none;
    appearance: none;
}

.va-input:focus,
.va-textarea:focus,
.va-select:focus {
    outline: none;
    border-color: var(--va-accent);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.va-textarea {
    min-height: 150px;
    resize: vertical;
}

.va-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--va-spacing-md) center;
    padding-right: var(--va-spacing-2xl);
}

/* Validation */
.valid.modified:not([type=checkbox]) {
    outline: none;
    border-color: var(--va-success);
}

.invalid {
    outline: none;
    border-color: var(--va-error);
}

.validation-message {
    color: var(--va-error);
    font-size: var(--va-font-size-sm);
    margin-top: var(--va-spacing-xs);
}

/* Badge */
.va-badge {
    display: inline-block;
    padding: var(--va-spacing-xs) var(--va-spacing-md);
    font-size: var(--va-font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--va-radius-full);
    background-color: var(--va-accent);
    color: var(--va-white);
}

.va-badge-outline {
    background-color: transparent;
    border: 1px solid var(--va-accent);
    color: var(--va-accent);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.va-fade-in {
    animation: fadeIn var(--va-transition-base) ease-out;
}

.va-slide-up {
    animation: slideUp var(--va-transition-slow) ease-out;
}

/* Responsive Utilities */
@media (max-width: 768px) {
    .va-hide-mobile { display: none !important; }
}

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

@media (max-width: 480px) {
    .va-hide-sm { display: none !important; }
}

/* Print styles */
@media print {
    .va-header,
    .va-footer,
    .va-mobile-nav,
    .va-btn {
        display: none !important;
    }
    
    .va-main {
        padding-top: 0 !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}

/* Form Floating Labels Bootstrap Override */
.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;
}

code {
    color: var(--va-accent-dark);
    background-color: var(--va-gray-100);
    padding: 0.125rem 0.375rem;
    border-radius: var(--va-radius-sm);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .va-btn {
        border-width: 3px;
    }
    
    .va-card {
        border: 2px solid var(--va-gray-800);
    }
}

/* Dark mode preparation (future enhancement) */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles can be added here in the future */
}