/* TA Forum - Markdown Editor Styles */

.md-editor-container {
    border: 1px solid var(--border);
    border-radius: var(--radius-md, 8px);
    background: var(--bg-surface, #ffffff);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color 0.2s, box-shadow 0.2s;
    margin-bottom: 1rem;
}

.md-editor-container:focus-within {
    border-color: var(--primary, #059669);
    box-shadow: 0 0 0 3px var(--primary-glow, rgba(5, 150, 105, 0.15));
}

.md-editor-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-tertiary, #edf4f0);
    border-bottom: 1px solid var(--border);
    padding: 0.35rem 0.5rem;
    gap: 0.5rem;
}

[data-theme="dark"] .md-editor-header {
    background: #182f25;
}

.md-editor-tabs {
    display: flex;
    gap: 0.25rem;
}

.md-editor-tab {
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid transparent;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary, #52665c);
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.md-editor-tab:hover {
    color: var(--text, #192e24);
    background: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .md-editor-tab:hover {
    color: #e3ece7;
    background: rgba(255, 255, 255, 0.08);
}

.md-editor-tab.active {
    background: var(--bg-secondary, #ffffff);
    color: var(--primary, #059669);
    border-color: var(--border, #dfe7e2);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .md-editor-tab.active {
    background: #11221a;
    color: #34d399;
    border-color: #1f382c;
}

.md-editor-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.2rem;
    padding: 0.25rem 0.5rem;
    background: var(--bg-secondary, #f8fafc);
    border-bottom: 1px solid var(--border);
}

[data-theme="dark"] .md-editor-toolbar {
    background: #131d2e;
}

.md-tb-btn {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-secondary, #475569);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.15s;
}

.md-tb-btn:hover {
    background: var(--bg-tertiary, #e2e8f0);
    color: var(--primary, #3b82f6);
}

[data-theme="dark"] .md-tb-btn {
    color: #94a3b8;
}

[data-theme="dark"] .md-tb-btn:hover {
    background: #334155;
    color: #60a5fa;
}

.md-tb-divider {
    width: 1px;
    height: 20px;
    background: var(--border, #cbd5e1);
    margin: 0 0.25rem;
}

[data-theme="dark"] .md-tb-divider {
    background: #334155;
}

.md-editor-body {
    display: flex;
    position: relative;
    min-height: 250px;
}

.md-editor-textarea {
    width: 100%;
    min-height: 250px;
    padding: 0.85rem 1rem;
    border: none;
    outline: none;
    resize: vertical;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.95rem;
    line-height: 1.6;
    background: var(--bg-surface, #ffffff);
    color: var(--text-primary, #0f172a);
}

[data-theme="dark"] .md-editor-textarea {
    background: #0f172a;
    color: #f8fafc;
}

.md-editor-preview {
    display: none;
    width: 100%;
    min-height: 250px;
    padding: 0.85rem 1rem;
    overflow-y: auto;
    background: var(--bg-surface, #ffffff);
    color: var(--text-primary, #0f172a);
    font-size: 1rem;
    line-height: 1.7;
}

[data-theme="dark"] .md-editor-preview {
    background: #0f172a;
    color: #f8fafc;
}

/* Split View mode */
.md-editor-container.split-mode .md-editor-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.md-editor-container.split-mode .md-editor-textarea {
    border-right: 1px solid var(--border);
    display: block !important;
}

.md-editor-container.split-mode .md-editor-preview {
    display: block !important;
}

/* Fullscreen mode */
.md-editor-container.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99999;
    border-radius: 0;
    margin: 0;
    height: 100vh;
}

.md-editor-container.fullscreen .md-editor-body {
    flex: 1;
    height: calc(100vh - 85px);
}

.md-editor-container.fullscreen .md-editor-textarea,
.md-editor-container.fullscreen .md-editor-preview {
    height: 100%;
}

/* Rendered Preview Typography */
.md-editor-preview h1, .md-editor-preview h2, .md-editor-preview h3, .md-editor-preview h4 {
    margin-top: 1.25rem;
    margin-bottom: 0.6rem;
    font-weight: 700;
    line-height: 1.3;
}

.md-editor-preview h1 { font-size: 1.6rem; border-bottom: 1px solid var(--border); padding-bottom: 0.3rem; }
.md-editor-preview h2 { font-size: 1.35rem; border-bottom: 1px solid var(--border); padding-bottom: 0.25rem; }
.md-editor-preview h3 { font-size: 1.15rem; }
.md-editor-preview p { margin-bottom: 0.85rem; }

.md-editor-preview blockquote {
    margin: 0.85rem 0;
    padding: 0.5rem 1rem;
    border-left: 4px solid var(--primary, #059669);
    background: var(--bg-tertiary, #f0fdf4);
    color: var(--text-secondary);
    border-radius: 0 6px 6px 0;
}

.md-editor-preview pre {
    background: #0f172a;
    color: #e2e8f0;
    padding: 0.85rem 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin: 0.85rem 0;
    font-size: 0.9rem;
}

.md-editor-preview code:not(pre code) {
    background: var(--bg-tertiary, #e2e8f0);
    color: var(--primary, #e11d48);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.88em;
}

[data-theme="dark"] .md-editor-preview code:not(pre code) {
    background: #1e293b;
    color: #f43f5e;
}

.md-editor-preview table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.md-editor-preview table th,
.md-editor-preview table td {
    border: 1px solid var(--border);
    padding: 0.5rem 0.75rem;
}

.md-editor-preview table th {
    background: var(--bg-tertiary);
    font-weight: 600;
}

.md-editor-preview img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 0.5rem 0;
}

.md-editor-preview ul, .md-editor-preview ol {
    padding-left: 1.5rem;
    margin-bottom: 0.85rem;
}

.md-editor-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.35rem 0.75rem;
    background: var(--bg-tertiary, #f8fafc);
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

[data-theme="dark"] .md-editor-footer {
    background: #131d2e;
}