:root {
    color-scheme: light;
    font-family: "Segoe UI", system-ui, sans-serif;
    line-height: 1.5;
    color: #10233f;
    background: #f4f7fb;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
}

a {
    color: #0b5cab;
}

.app-shell {
    min-height: 100vh;
}

.app-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: #0f2f57;
    color: #fff;
}

.brand a {
    color: inherit;
    font-weight: 700;
    text-decoration: none;
}

.app-nav {
    display: flex;
    gap: 1rem;
}

    .app-nav a {
        color: #d8e7ff;
        text-decoration: none;
    }

        .app-nav a.active {
            color: #fff;
            font-weight: 600;
        }

.app-main {
    padding: 1.5rem;
}

.page-shell {
    max-width: 960px;
    margin: 0 auto;
}

.page-header h1 {
    margin-bottom: 0.5rem;
}

.form-field,
.upload-form,
.upload-result,
.document-card {
    margin-top: 1rem;
}

.form-control {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border: 1px solid #c7d4e5;
    border-radius: 0.5rem;
}

.btn {
    display: inline-block;
    margin-top: 1rem;
    margin-right: 0.75rem;
    padding: 0.65rem 1rem;
    border: 0;
    border-radius: 0.5rem;
    text-decoration: none;
    cursor: pointer;
}

.btn-primary {
    background: #0b5cab;
    color: #fff;
}

.btn-secondary {
    background: #d8e7ff;
    color: #0f2f57;
}

.status-message {
    margin-top: 1rem;
}

    .status-message.error {
        color: #b32121;
    }

.document-grid {
    display: grid;
    gap: 1rem;
}

.document-card,
.upload-result {
    padding: 1rem;
    border: 1px solid #d7e0ec;
    border-radius: 0.75rem;
    background: #fff;
}

    .document-card dl {
        display: grid;
        gap: 0.5rem;
        margin: 0;
    }

    .document-card dt {
        font-weight: 600;
    }

    .document-card dd {
        margin: 0;
    }

.qr-code {
    margin: 1rem 0 0;
}

    .qr-code img {
        width: 180px;
        height: 180px;
        border: 1px solid #d7e0ec;
        background: #fff;
    }

    .qr-code figcaption {
        margin-top: 0.5rem;
        word-break: break-all;
    }

.home-actions,
.document-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.language-uploads {
    margin-top: 1.5rem;
}

.language-upload-card {
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid #d7e0ec;
    border-radius: 0.75rem;
    background: #f8fbff;
}

    .language-upload-card header h4 {
        margin: 0 0 0.25rem;
    }

    .language-upload-card header p {
        margin: 0;
        color: #5b6f88;
    }

.language-flag,
.language-flag-preview {
    width: 4rem;
    height: 2.5rem;
    object-fit: cover;
    border: 1px solid #d7e0ec;
    background: #fff;
}

.uploaded-files {
    margin: 0.75rem 0;
    padding-left: 1.25rem;
}

    .uploaded-files li {
        display: flex;
        justify-content: space-between;
        gap: 1rem;
        margin-bottom: 0.35rem;
    }

.pdf-viewer-host {
    height: calc(100dvh - 12rem);
    min-height: 32rem;
    margin-top: 1rem;
    border: 1px solid #d7e0ec;
    border-radius: 0.75rem;
    background: #fff;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

    .pdf-viewer-host .e-pv-viewer-container,
    .pdf-viewer-host .e-pv-main-container {
        height: 100%;
    }

.page-shell,
.viewer-shell {
    max-width: 1100px;
    margin: 0 auto;
}

.viewer-card {
    padding: 1rem;
    border: 1px solid #d7e0ec;
    border-radius: 0.75rem;
    background: #fff;
}

.viewer-hint {
    font-size: 0.9rem;
    color: #5b6f88;
}

    .viewer-hint code {
        font-size: 0.85em;
    }

.language-landing-header h1 {
    margin-bottom: 0.5rem;
}

.language-landing-prompt {
    margin-top: 1.25rem;
    margin-bottom: 0.75rem;
}

.language-grid {
    display: grid;
    gap: 0.75rem;
}

.language-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.85rem;
    padding: 1rem 1.1rem;
    border: 1px solid #d7e0ec;
    border-radius: 0.75rem;
    background: #f8fbff;
    color: inherit;
    text-decoration: none;
}

.language-name {
    font-weight: 600;
}

.language-code {
    color: #5b6f88;
    font-size: 0.9rem;
    letter-spacing: 0.04em;
}

.viewer-back-link {
    display: inline-block;
    margin-bottom: 0.75rem;
    text-decoration: none;
}

@media (min-width: 640px) {
    .language-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.viewer-card,
.viewer-header {
    margin-top: 1rem;
}

.viewer-header {
    margin-bottom: 1rem;
}

.viewer-site {
    display: flex;
    flex-direction: column;
    min-height: 100dvh;
}

.viewer-site-header {
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: max(0.65rem, env(safe-area-inset-top)) 1rem 0.65rem;
    border-bottom: 1px solid #e5eaf0;
    background: #fff;
}

.viewer-site-logo-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
}

.viewer-site-logo {
    display: block;
    max-width: min(92vw, 22rem);
    max-height: 3.5rem;
    width: auto;
    height: auto;
    object-fit: contain;
}

.viewer-site .app-main {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.viewer-body-padded {
    box-sizing: border-box;
    width: 100%;
    max-width: 72rem;
    margin-inline: auto;
    padding: 1rem max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
}

.viewer-site .viewer-shell {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    width: 100%;
}

.viewer-site .viewer-shell--document {
    gap: 0.75rem;
}

.viewer-site .viewer-header h1 {
    font-size: clamp(1.25rem, 4vw, 1.75rem);
    overflow-wrap: anywhere;
}

.viewer-site .viewer-header p {
    margin: 0.35rem 0 0;
    overflow-wrap: anywhere;
}

.viewer-site .viewer-back-link,
.viewer-site .language-card,
.viewer-site .btn {
    min-height: 2.75rem;
}

.viewer-site .language-card {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

@media (hover: hover) and (pointer: fine) {
    .language-card:hover {
        border-color: #0b5cab;
        background: #eef5ff;
    }
}

/* Keep explicit height (like /admin test page). height:auto here breaks SfPdfViewer2 Height="100%". */
.viewer-site .viewer-shell--document .pdf-viewer-host {
    flex: 1 1 auto;
    min-height: 32rem;
    height: calc(100dvh - 17.5rem);
    margin-top: 0;
}

@media (max-width: 640px) {
    .viewer-site .viewer-shell--document .pdf-viewer-host {
        min-height: 50dvh;
        height: calc(100dvh - 19.5rem);
    }

    .viewer-site .language-card {
        padding: 0.9rem 1rem;
    }

    .viewer-site .language-grid {
        grid-template-columns: 1fr;
    }

    .viewer-site .viewer-header .btn {
        display: block;
        width: 100%;
        text-align: center;
    }
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

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