/* CSS Custom Properties for dynamic theming */
:root {
    --app-font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --app-font-size-base: 0.875rem;
    --app-font-size-sm: 0.8125rem;
    --app-font-size-lg: 1rem;
    --app-font-size-h1: 1.5rem;
    --app-font-size-h2: 1.25rem;
    --app-border-radius: 0.375rem;
    --app-spacing: 1rem;
}

html, body {
    font-family: var(--app-font-family);
    font-size: var(--app-font-size-base);
    margin: 0;
    padding: 0;
    height: 100%;
}

h1 {
    font-size: var(--app-font-size-h1);
}

h2 {
    font-size: var(--app-font-size-h2);
}

h1:focus {
    outline: none;
}

/* ── File input – theme-aware styled button ─────────────────────────────── */
.file-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    flex-wrap: wrap;
}

.file-input-wrapper .file-label-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.3125rem 0.875rem;
    background-color: var(--dxbl-btn-secondary-bg, var(--dx-color-bg-layer-1, transparent));
    color: var(--dxbl-btn-secondary-color, var(--dx-color-content-default, inherit));
    border: 1px solid var(--dxbl-btn-secondary-border-color, var(--dx-border-color, #6c757d));
    border-radius: var(--dxbl-btn-border-radius, 0.3125rem);
    font-size: var(--app-font-size-base, 0.875rem);
    font-family: var(--app-font-family, inherit);
    cursor: pointer;
    white-space: nowrap;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    user-select: none;
    line-height: 1.5;
}

.file-input-wrapper .file-label-btn:hover {
    background-color: var(--dxbl-btn-secondary-hover-bg, var(--dx-color-bg-layer-2, rgba(0,0,0,0.06)));
    border-color: var(--dxbl-btn-secondary-hover-border-color, var(--dx-border-color-hover, #5c636a));
}

.file-input-wrapper .file-label-btn:active {
    background-color: var(--dxbl-btn-secondary-active-bg, rgba(0,0,0,0.1));
}

.file-input-wrapper .file-name-text {
    font-size: var(--app-font-size-sm, 0.8125rem);
    color: var(--dx-color-content-secondary, #6c757d);
    font-style: italic;
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.blazor-error-boundary {
    background: #b32121;
    padding: 1rem;
    color: white;
}

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