/* ==========================================================================
   FILE VIEWER COMPONENT
   Styles for the universal file viewer component
   ========================================================================== */

/* File Viewer Container */
.file-viewer-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: white;
    overflow: hidden;
}

/* File Viewer Toolbar */
.file-viewer-toolbar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    flex-shrink: 0;
}

.file-viewer-toolbar .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

/* File Viewer Loading State */
.file-viewer-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    min-height: 300px;
}

.file-viewer-loading .spinner-border {
    width: 3rem;
    height: 3rem;
}

.file-viewer-loading p {
    margin-top: 1rem;
    color: #6c757d;
}

/* File Viewer Empty State */
.file-viewer-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    min-height: 300px;
    color: #6c757d;
}

.file-viewer-empty i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #dee2e6;
}

.file-viewer-empty p {
    margin: 0;
}

/* File Viewer Content */
.file-viewer-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

/* Image Viewer */
.file-viewer-image {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: #f8f9fa;
    min-height: 300px;
}

.file-viewer-image img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 0.375rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Video Viewer */
.file-viewer-video {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: #000;
    min-height: 300px;
}

.file-viewer-video video {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 0.375rem;
}

/* Markdown Viewer */
.file-viewer-markdown {
    padding: 2rem;
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.6;
    background: white;
}

/* Apply same markdown styles as chat */
.file-viewer-markdown h1,
.file-viewer-markdown h2,
.file-viewer-markdown h3,
.file-viewer-markdown h4,
.file-viewer-markdown h5,
.file-viewer-markdown h6 {
    margin: 1.5em 0 0.75em 0;
    font-weight: 600;
    line-height: 1.3;
}

.file-viewer-markdown h1 { font-size: 2em; border-bottom: 2px solid #dee2e6; padding-bottom: 0.3em; }
.file-viewer-markdown h2 { font-size: 1.5em; border-bottom: 1px solid #dee2e6; padding-bottom: 0.3em; }
.file-viewer-markdown h3 { font-size: 1.25em; }
.file-viewer-markdown h4 { font-size: 1.1em; }

.file-viewer-markdown h1:first-child,
.file-viewer-markdown h2:first-child,
.file-viewer-markdown h3:first-child { margin-top: 0; }

.file-viewer-markdown p { margin: 0.75em 0; }

.file-viewer-markdown ul,
.file-viewer-markdown ol {
    margin: 0.75em 0;
    padding-left: 2em;
}

.file-viewer-markdown li { margin: 0.3em 0; }

.file-viewer-markdown pre {
    margin: 1em 0;
    padding: 1em;
    background: #282c34;
    border-radius: 0.375rem;
    overflow-x: auto;
}

.file-viewer-markdown pre code {
    background: none;
    padding: 0;
    color: #abb2bf;
    font-size: 0.9rem;
    line-height: 1.5;
}

.file-viewer-markdown code {
    background: rgba(0, 0, 0, 0.05);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9em;
    color: #e83e8c;
}

.file-viewer-markdown table {
    border-collapse: collapse;
    width: 100%;
    margin: 1em 0;
}

.file-viewer-markdown table th,
.file-viewer-markdown table td {
    border: 1px solid #dee2e6;
    padding: 0.5em 0.75em;
    text-align: left;
}

.file-viewer-markdown table th {
    background: #f8f9fa;
    font-weight: 600;
}

.file-viewer-markdown blockquote {
    border-left: 4px solid #007bff;
    padding-left: 1em;
    margin: 1em 0;
    color: #6c757d;
    font-style: italic;
}

.file-viewer-markdown hr {
    border: none;
    border-top: 2px solid #dee2e6;
    margin: 2em 0;
}

.file-viewer-markdown a {
    color: #007bff;
    text-decoration: none;
}

.file-viewer-markdown a:hover {
    text-decoration: underline;
}

/* Mermaid diagrams in file viewer */
.file-viewer-markdown pre.mermaid,
.file-viewer-markdown div.mermaid,
.file-viewer-markdown .mermaid-rendered {
    background: white;
    border: 1px solid #dee2e6;
    padding: 1.5em;
    margin: 1em 0;
    border-radius: 0.375rem;
    text-align: center;
}

/* Code Viewer */
.file-viewer-code {
    background: #282c34;
    padding: 1.5rem;
    min-height: 300px;
}

.file-viewer-code pre {
    margin: 0;
    background: transparent;
}

.file-viewer-code code {
    color: #abb2bf;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    white-space: pre;
    display: block;
}

/* Word Wrap enabled */
.file-viewer-code.word-wrap code,
.file-viewer-text.word-wrap code {
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Text Viewer */
.file-viewer-text {
    padding: 1.5rem;
    background: #f8f9fa;
    min-height: 300px;
}

.file-viewer-text pre {
    margin: 0;
    background: white;
    padding: 1rem;
    border-radius: 0.375rem;
    border: 1px solid #dee2e6;
    overflow-x: auto;
}

.file-viewer-text code {
    color: #212529;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    white-space: pre;
    display: block;
}

/* File Viewer Modal - Higher z-index to appear above sidebar toggle (z-index: 101) */
.file-viewer-backdrop {
    z-index: 1055 !important;
}

.file-viewer-modal {
    z-index: 1060 !important;
}

.file-viewer-modal .modal-dialog {
    max-width: 90vw;
    height: 90vh;
    margin: 2rem auto;
}

.file-viewer-modal .modal-content {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.file-viewer-modal .modal-body {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.file-viewer-modal .file-viewer-container {
    flex: 1;
}

/* Responsive */
@media (max-width: 992px) {
    .file-viewer-modal .modal-dialog {
        max-width: 95vw;
        height: 95vh;
        margin: 1rem auto;
    }

    .file-viewer-markdown {
        padding: 1rem;
    }

    .file-viewer-code,
    .file-viewer-text {
        padding: 1rem;
    }
}

@media (max-width: 768px) {
    .file-viewer-modal .modal-dialog {
        max-width: 100vw;
        height: 100vh;
        margin: 0;
    }

    .file-viewer-image {
        padding: 1rem;
    }

    .file-viewer-video {
        padding: 0.5rem;
    }

    .file-viewer-markdown {
        padding: 0.75rem;
        font-size: 0.9rem;
    }

    .file-viewer-code code,
    .file-viewer-text code {
        font-size: 0.75rem;
    }
}