/*
 * Visor Markdown — estilos específicos; base y temas en primordial.css (symlink a /var/www/primordial.css).
 * primordial.css se sirve desde este directorio vía symlink; el archivo real está en /var/www/primordial.css.
 */

.visually-hidden {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.md-wrap {
	max-width: min(1200px, 100%);
	margin: 0 auto;
}

.md-main.is-preview-expanded ~ .md-hint {
	display: none;
}

.header-actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.75rem;
	margin-left: auto;
}

.md-main {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1rem;
	align-items: stretch;
	min-height: 60vh;
}

@media (max-width: 800px) {
	.md-main {
		grid-template-columns: 1fr;
	}
}

.md-panel {
	background: var(--gris-card);
	border: 1px solid var(--gris-borde);
	border-radius: var(--radius);
	padding: 1rem;
	display: flex;
	flex-direction: column;
	min-height: 320px;
}

.md-panel > h2 {
	margin: 0 0 0.75rem;
	font-size: 1rem;
	font-weight: 600;
	color: var(--accent);
	font-family: 'JetBrains Mono', monospace;
}

.md-panel-head {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem 1rem;
	margin-bottom: 0.75rem;
}

.md-panel-head h2 {
	margin: 0;
	font-size: 1rem;
	font-weight: 600;
	color: var(--accent);
	font-family: 'JetBrains Mono', monospace;
}

.md-preview-tools {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.5rem;
}

/* Vista previa ampliada: solo columna de preview, más alto */
.md-main.is-preview-expanded {
	grid-template-columns: 1fr;
	min-height: min(88vh, 900px);
}

.md-main.is-preview-expanded .md-panel:not(.md-panel--preview) {
	display: none;
}

.md-main.is-preview-expanded .md-panel--preview {
	min-height: min(82vh, 820px);
}

.md-main.is-preview-expanded .md-preview-scroll {
	min-height: min(72vh, 700px);
}

/* Pantalla completa del navegador */
.md-panel--preview:fullscreen {
	margin: 0;
	border-radius: 0;
	min-height: 100%;
	height: 100%;
	max-width: none;
	border: none;
}

.md-panel--preview:fullscreen .md-preview-scroll {
	flex: 1;
	min-height: 0;
	max-height: none;
}

.md-editor {
	width: 100%;
	flex: 1;
	min-height: 280px;
	padding: 0.75rem;
	border: 1px solid var(--gris-borde);
	border-radius: var(--radius-sm);
	background: var(--negro);
	color: var(--blanco);
	font-family: 'JetBrains Mono', monospace;
	font-size: 0.875rem;
	line-height: 1.5;
	resize: vertical;
}

.md-preview-scroll {
	flex: 1;
	overflow: auto;
	min-height: 200px;
	padding: 0.5rem 0.25rem;
	border-radius: var(--radius-sm);
}

.md-preview {
	color: var(--blanco);
	line-height: 1.6;
	font-size: 0.95rem;
}

.md-preview a {
	color: var(--accent);
	text-decoration: underline;
	text-underline-offset: 2px;
}

.md-preview a:hover {
	color: var(--accent-hover);
}

.md-preview h1,
.md-preview h2,
.md-preview h3 {
	margin: 1.25rem 0 0.5rem;
	color: var(--blanco);
	font-weight: 600;
	line-height: 1.25;
}

.md-preview h1 { font-size: 1.5rem; border-bottom: 1px solid var(--gris-borde); padding-bottom: 0.35rem; }
.md-preview h2 { font-size: 1.25rem; }
.md-preview h3 { font-size: 1.1rem; color: var(--blanco-muted); }

.md-preview h1:first-child,
.md-preview h2:first-child,
.md-preview h3:first-child {
	margin-top: 0;
}

.md-preview p { margin: 0.65rem 0; }
.md-preview ul, .md-preview ol { margin: 0.65rem 0; padding-left: 1.35rem; }
.md-preview li { margin: 0.25rem 0; }

.md-preview code {
	font-family: 'JetBrains Mono', monospace;
	font-size: 0.88em;
	background: var(--negro);
	padding: 0.12em 0.35em;
	border-radius: 4px;
	border: 1px solid var(--gris-borde);
}

.md-preview pre {
	margin: 0.75rem 0;
	padding: 0.85rem 1rem;
	background: var(--negro);
	border: 1px solid var(--gris-borde);
	border-radius: var(--radius-sm);
	overflow-x: auto;
}

.md-preview pre code {
	background: none;
	border: none;
	padding: 0;
	font-size: 0.85rem;
}

.md-preview blockquote {
	margin: 0.75rem 0;
	padding: 0.35rem 0 0.35rem 1rem;
	border-left: 3px solid var(--accent);
	color: var(--blanco-muted);
}

.md-preview table {
	border-collapse: collapse;
	width: 100%;
	margin: 0.75rem 0;
	font-size: 0.9rem;
}

.md-preview th,
.md-preview td {
	border: 1px solid var(--gris-borde);
	padding: 0.4rem 0.6rem;
	text-align: left;
}

.md-preview th {
	background: var(--gris-oscuro);
	color: var(--accent);
}

.md-preview hr {
	border: none;
	border-top: 1px solid var(--gris-borde);
	margin: 1.25rem 0;
}

.md-preview img {
	max-width: 100%;
	height: auto;
	border-radius: var(--radius-sm);
}

.md-hint {
	margin-top: 1rem;
	font-size: 0.85rem;
	color: var(--blanco-muted);
}