/* VendorLog Brand Theme */
/* ====================== */

:root {
    /* Primary Colors - Trust Blue */
    --vl-primary: #0066CC;
    --vl-primary-light: #3384D6;
    --vl-primary-dark: #004C99;

    /* Secondary Colors */
    --vl-secondary: #6366F1;

    /* Semantic Colors */
    --vl-success: #10B981;
    --vl-warning: #F59E0B;
    --vl-error: #EF4444;
    --vl-info: #3B82F6;

    /* Vendor Health Indicators */
    --vl-health-excellent: #10B981;
    --vl-health-needs-attention: #F59E0B;
    --vl-health-critical: #EF4444;

    /* Neutrals */
    --vl-text-primary: #1F2937;
    --vl-text-secondary: #6B7280;
    --vl-background: #FFFFFF;
    --vl-surface: #F9FAFB;
    --vl-border: #E5E7EB;

    /* Typography */
    --vl-font-family: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

/* Global Typography */
html, body {
    font-family: var(--vl-font-family);
    color: var(--vl-text-primary);
    background-color: var(--vl-background);
}

/* ━━━ Story 10.4 — Skip Navigation Link (Task 1.3) ━━━ */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: #0066CC;
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    font-weight: 600;
    z-index: 9999;
    border-radius: 0 0 4px 0;
    transition: top 0.1s ease;
}
.skip-link:focus {
    top: 0;
}

/* ━━━ Story 10.4 — Focus Indicators WCAG 2.1 AA (Task 3.1) ━━━ */
/* :focus-visible shows outline only for keyboard navigation, not mouse clicks */
/* #0066CC on white = 5.74:1 contrast ratio — passes WCAG AA 3:1 for focus indicators */
:focus-visible {
    outline: 3px solid #0066CC !important;
    outline-offset: 2px;
    border-radius: 2px;
}
.mud-button-root:focus-visible,
.mud-icon-button:focus-visible,
.mud-nav-link:focus-visible,
.mud-input-root:focus-visible {
    outline: 3px solid #0066CC !important;
    outline-offset: 2px;
}
/* Fallback :focus for browsers without :focus-visible support (Task 3.3: preserve existing) */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus,
.mud-input-root:focus-within {
    outline: 2px solid var(--vl-primary);
    outline-offset: 2px;
}
.mud-button-root:focus {
    outline: 2px solid var(--vl-primary);
    outline-offset: 2px;
}

/* ━━━ Story 10.4 — Color Contrast: Placeholder Text (Task 5.3) ━━━ */
/* #6B7280 on white = 5.21:1 — passes WCAG AA 4.5:1 for normal text */
::placeholder {
    color: #6B7280;
    opacity: 1;
}

/* ━━━ Story 10.4 — Keyboard Shortcuts Help Panel (Task 4.4) ━━━ */
.keyboard-help-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.keyboard-help-panel {
    background: white;
    border-radius: 8px;
    padding: 24px;
    min-width: 320px;
    max-width: 480px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}
.keyboard-help-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 8px;
}
.keyboard-help-table td {
    padding: 6px 8px;
    vertical-align: middle;
}
.keyboard-help-table td:first-child {
    width: 45%;
}
kbd {
    display: inline-block;
    padding: 2px 6px;
    font-size: 0.85em;
    font-family: monospace;
    background: #f3f4f6;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2);
}

/* Form Validation Styles */
.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--vl-success);
}

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

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

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

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

/* Utility Classes */
.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

/* Story 10.1 — Prevent horizontal overflow on mobile (AC1) */
/* Applied to html (not body) to avoid iOS Safari position:fixed breakage */
@media (max-width: 599.98px) {
    html {
        overflow-x: hidden;
    }
}

/* Story 10.1 — Touch Target Enforcement (FR-UX-08: min 44×44px on mobile) */
/* Applies only at xs breakpoint (< 600px) to avoid affecting desktop layout */
@media (max-width: 599.98px) {
    .mud-nav-link,
    .mud-button,
    .mud-icon-button,
    .mud-chip {
        min-height: 44px !important;
        min-width: 44px !important;
    }
}

/* Real-Time Field Flash Animation (Story 6.1) */
@keyframes field-flash {
    0% { background-color: rgba(255, 235, 59, 0.3); }
    100% { background-color: transparent; }
}
.field-flash {
    animation: field-flash 1.5s ease-out;
}