:root {
    --markdown-toolbar-bg: rgba(37, 99, 235, 0.08);
    --markdown-panel-border: rgba(148, 163, 184, 0.35);
}

body[data-theme="dark"] {
    --markdown-toolbar-bg: rgba(96, 165, 250, 0.12);
    --markdown-panel-border: rgba(148, 163, 184, 0.25);
}

.markdown-hero {
    background: linear-gradient(135deg, #1d4ed8 0%, #0ea5e9 50%, #7c3aed 100%);
    color: #ffffff;
}

.markdown-toolbar {
    background-color: var(--markdown-toolbar-bg);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    justify-content: flex-end;
}

.markdown-toolbar .btn {
    border-radius: 999px;
}

.markdown-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-right: auto;
}

.markdown-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.markdown-actions .btn-group {
    display: inline-flex;
    flex-wrap: nowrap;
}

.markdown-actions .layout-toggle {
    border-radius: 999px !important;
}

.markdown-actions .layout-toggle.active {
    background-color: var(--ued-primary);
    color: var(--ued-primary-contrast);
    border-color: var(--ued-primary);
}

.markdown-workspace {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.markdown-workspace[data-layout="editor"] {
    grid-template-columns: 1fr;
}

.markdown-workspace[data-layout="preview"] {
    grid-template-columns: 1fr;
}

.markdown-workspace[data-layout="editor"] .markdown-panel--preview,
.markdown-workspace[data-layout="preview"] .markdown-panel--editor {
    display: none;
}

.markdown-panel {
    background-color: var(--ued-surface-soft);
    border: 1px solid var(--markdown-panel-border);
    border-radius: 14px;
    box-shadow: var(--ued-shadow);
    min-height: 280px;
    display: flex;
    flex-direction: column;
}

.markdown-panel__header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--markdown-panel-border);
    font-weight: 600;
}

.markdown-panel__body {
    flex: 1 1 auto;
    padding: 1rem;
    overflow: auto;
}

.markdown-panel__body pre {
    background-color: var(--ued-surface);
    border-radius: 12px;
    padding: 1rem;
    overflow: auto;
    border: 1px solid var(--markdown-panel-border);
}

.markdown-panel__body code {
    font-family: "JetBrains Mono", "Fira Code", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.95rem;
}

body[data-theme="dark"] .markdown-panel__body pre {
    background-color: rgba(15, 23, 42, 0.6);
    border-color: rgba(148, 163, 184, 0.2);
}

body[data-theme="dark"] .hljs {
    background: rgba(15, 23, 42, 0.6) !important;
    color: #e2e8f0 !important;
}

.markdown-panel__body textarea {
    width: 100%;
    height: 100%;
    min-height: 240px;
    border: none;
    resize: none;
    background: transparent;
    color: inherit;
}

.markdown-panel__body textarea:focus-visible {
    outline: 3px solid var(--ued-primary);
    outline-offset: 2px;
    box-shadow: none;
}

.markdown-preview {
    white-space: pre-wrap;
    word-break: break-word;
}

.markdown-safe-fallback {
    white-space: pre-wrap;
    word-break: break-word;
}

.markdown-image-placeholder {
    display: inline-block;
    max-width: 100%;
    padding: 0.25rem 0.5rem;
    border: 1px dashed var(--markdown-panel-border);
    border-radius: 0.375rem;
    color: var(--ued-text-secondary);
    overflow-wrap: anywhere;
}

.markdown-status {
    min-height: 1.5rem;
}

@media (max-width: 991.98px) {
    .markdown-workspace {
        grid-template-columns: 1fr;
    }
    .markdown-toolbar {
        justify-content: space-between;
    }
    .markdown-actions {
        width: 100%;
        justify-content: flex-start;
    }
    .markdown-actions .btn-group {
        width: 100%;
    }
    .markdown-actions .btn-group .btn {
        flex: 1 1 33%;
    }
}