/* Markdown Preview — Tools Joyboy */

.md-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .5rem;
    padding: .6rem .75rem;
    background: var(--color-bg-card, #fff);
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: 8px 8px 0 0;
    margin-bottom: 0;
}

.md-toolbar-left, .md-toolbar-right {
    display: flex;
    align-items: center;
    gap: .3rem;
    flex-wrap: wrap;
}

.md-tab {
    padding: .35rem .9rem;
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: 6px;
    background: transparent;
    font-size: .85rem;
    cursor: pointer;
    transition: all .15s;
}

.md-tab:hover { border-color: var(--color-primary, #2563eb); color: var(--color-primary, #2563eb); }
.md-tab.is-active { background: var(--color-primary, #2563eb); color: #fff; border-color: var(--color-primary, #2563eb); }

.md-tool-btn {
    padding: .35rem .6rem;
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: 5px;
    background: transparent;
    font-size: .82rem;
    cursor: pointer;
    transition: background .15s;
    display: flex;
    align-items: center;
    gap: .3rem;
}

.md-tool-btn:hover { background: var(--color-bg-subtle, #f8fafc); }
.md-toolbar-sep { width: 1px; height: 24px; background: var(--color-border, #e2e8f0); margin: 0 .2rem; }

/* Workspace */
.md-workspace {
    display: grid;
    border: 1px solid var(--color-border, #e2e8f0);
    border-top: none;
    border-radius: 0 0 8px 8px;
    overflow: hidden;
    min-height: 500px;
}

.md-split { grid-template-columns: 1fr 4px 1fr; }
.md-editor { grid-template-columns: 1fr; }
.md-editor #md-preview-pane { display: none; }
.md-editor .md-divider { display: none; }
.md-preview { grid-template-columns: 1fr; }
.md-preview #md-editor-pane { display: none; }
.md-preview .md-divider { display: none; }
.md-preview #md-preview-pane { display: flex; }

.md-divider {
    background: var(--color-border, #e2e8f0);
    cursor: col-resize;
    width: 4px;
}

.md-pane {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.md-pane-label {
    padding: .4rem .75rem;
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-text-muted, #64748b);
    background: var(--color-bg-subtle, #f8fafc);
    border-bottom: 1px solid var(--color-border, #e2e8f0);
}

.md-editor {
    flex: 1;
    border: none;
    resize: none;
    padding: 1rem;
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    font-size: .9rem;
    line-height: 1.7;
    background: var(--color-bg-card, #fff);
    color: var(--color-text, #1e293b);
    outline: none;
}

.md-stats {
    padding: .3rem .75rem;
    font-size: .78rem;
    color: var(--color-text-muted, #94a3b8);
    background: var(--color-bg-subtle, #f8fafc);
    border-top: 1px solid var(--color-border, #e2e8f0);
}

/* Markdown preview (GitHub-style) */
.md-preview {
    flex: 1;
    padding: 1.25rem 1.5rem;
    overflow-y: auto;
    font-size: .95rem;
    line-height: 1.75;
    background: var(--color-bg-card, #fff);
    color: var(--color-text, #1e293b);
}

.markdown-body h1, .markdown-body h2, .markdown-body h3,
.markdown-body h4, .markdown-body h5, .markdown-body h6 {
    font-weight: 700;
    line-height: 1.3;
    margin: 1.25em 0 .5em;
}
.markdown-body h1 { font-size: 1.75rem; border-bottom: 2px solid var(--color-border, #e2e8f0); padding-bottom: .4rem; }
.markdown-body h2 { font-size: 1.4rem; border-bottom: 1px solid var(--color-border, #e2e8f0); padding-bottom: .3rem; }
.markdown-body h3 { font-size: 1.15rem; }

.markdown-body p { margin: .75em 0; }

.markdown-body ul, .markdown-body ol { padding-left: 1.75rem; margin: .5em 0; }
.markdown-body li { margin: .3em 0; }

.markdown-body code {
    font-family: var(--font-mono, monospace);
    font-size: .88em;
    background: var(--color-bg-subtle, #f1f5f9);
    padding: .15em .4em;
    border-radius: 4px;
    color: #d63384;
}

.markdown-body pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1em 0;
}

.markdown-body pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: .88rem;
}

.markdown-body blockquote {
    border-left: 4px solid var(--color-primary, #2563eb);
    padding: .5rem 1rem;
    margin: 1em 0;
    color: var(--color-text-muted, #64748b);
    background: var(--color-bg-subtle, #f8fafc);
    border-radius: 0 6px 6px 0;
}

.markdown-body table {
    border-collapse: collapse;
    width: 100%;
    margin: 1em 0;
    font-size: .9rem;
}

.markdown-body th {
    background: var(--color-bg-subtle, #f8fafc);
    font-weight: 600;
    padding: .5rem .75rem;
    border: 1px solid var(--color-border, #e2e8f0);
    text-align: left;
}

.markdown-body td {
    padding: .5rem .75rem;
    border: 1px solid var(--color-border, #e2e8f0);
}

.markdown-body tr:nth-child(even) { background: var(--color-bg-subtle, #f8fafc); }

.markdown-body a { color: var(--color-primary, #2563eb); text-decoration: none; }
.markdown-body a:hover { text-decoration: underline; }

.markdown-body hr { border: none; border-top: 2px solid var(--color-border, #e2e8f0); margin: 1.5em 0; }

.markdown-body img { max-width: 100%; border-radius: 6px; }

/* Task list */
.markdown-body input[type=checkbox] { margin-right: .4rem; }

.tool-faq { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--color-border); }
.tool-faq h2 { font-size: 1.25rem; font-weight: 700; color: var(--color-text); margin-bottom: 1.25rem; }
.faq-item { margin-bottom: 1.25rem; padding: 1rem 1.25rem; background: var(--color-bg-secondary); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.faq-item h3 { font-size: 1rem; font-weight: 600; color: var(--color-text); margin: 0 0 0.5rem; }
.faq-item p { color: var(--color-text-muted); font-size: 0.9375rem; line-height: 1.7; margin: 0; }

.local-badge { font-size: .8rem; color: var(--color-text-muted, #64748b); }

@media (max-width: 768px) {
    .md-split { grid-template-columns: 1fr; }
    .md-split .md-divider { display: none; }
    .md-split #md-preview-pane { border-top: 2px solid var(--color-border, #e2e8f0); }
    .md-toolbar { flex-direction: column; align-items: flex-start; }
}