/* ==========================================================================
   Random Tools — Editor Markdown
   ========================================================================== */

/* Ocupa la altura restante (ver .main--fixed): sólo hacen scroll los paneles. */
.md-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 0;
    overflow: hidden;
}

.md-panes {
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: minmax(0, 1fr);
    gap: 16px;
}

.pane {
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding: 0;
    overflow: hidden;
}

.pane__head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--line);
    flex-wrap: wrap;
}

.pane__label {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: .11em;
    text-transform: uppercase;
    color: var(--tx-3);
}

.pane__tools {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}

.tool-btn {
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    border: 1px solid transparent;
    border-radius: 8px;
    background: none;
    color: var(--tx-3);
    cursor: pointer;
    transition: .16s ease;
}

.tool-btn:hover {
    color: var(--tx);
    background: var(--surface-2);
    border-color: var(--line);
}

#markdownInput {
    flex: 1;
    min-height: 0;
    width: 100%;
    resize: none;
    border: 0;
    outline: none;
    background: transparent;
    color: var(--tx);
    padding: 18px 20px;
    font-family: var(--ff-mono);
    font-size: 13px;
    line-height: 1.75;
    tab-size: 2;
}

#markdownInput::placeholder { color: var(--tx-3); }

.preview {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 20px 22px;
    line-height: 1.7;
    font-size: 13.5px;
}

.pane__foot {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 9px 16px;
    border-top: 1px solid var(--line);
    font-size: 10.8px;
    color: var(--tx-3);
}


/* --- Tipografía del Markdown renderizado -------------------------------- */
.md-body > *:first-child { margin-top: 0; }

.md-body h1,
.md-body h2,
.md-body h3,
.md-body h4 {
    font-weight: 640;
    letter-spacing: -.02em;
    line-height: 1.3;
    margin: 1.6em 0 .55em;
}

.md-body h1 {
    font-size: 24px;
    padding-bottom: .35em;
    border-bottom: 1px solid var(--line);
}

.md-body h2 {
    font-size: 19px;
    padding-bottom: .3em;
    border-bottom: 1px solid var(--line);
}

.md-body h3 { font-size: 16px; }
.md-body h4 { font-size: 14px; }

.md-body p { margin: 0 0 1em; }

.md-body a {
    color: var(--sky);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: color-mix(in srgb, var(--sky) 45%, transparent);
}

.md-body ul,
.md-body ol {
    padding-left: 1.35em;
    margin: 0 0 1em;
}

.md-body li { margin: .3em 0; }

.md-body li::marker { color: var(--tx-3); }

.md-body code {
    font-family: var(--ff-mono);
    font-size: .875em;
    padding: .16em .42em;
    border-radius: 6px;
    background: var(--violet-bg);
    color: var(--violet);
}

.md-body pre {
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    padding: 14px 16px;
    margin: 0 0 1.2em;
    overflow-x: auto;
}

.md-body pre code {
    background: none;
    color: var(--tx);
    padding: 0;
    font-size: 12.5px;
    line-height: 1.6;
}

.md-body blockquote {
    margin: 0 0 1.2em;
    padding: 2px 0 2px 16px;
    border-left: 2px solid var(--violet);
    color: var(--tx-2);
}

.md-body blockquote p:last-child { margin-bottom: 0; }

.md-body hr {
    height: 1px;
    border: 0;
    background: var(--line);
    margin: 1.8em 0;
}

.md-body img {
    max-width: 100%;
    border-radius: var(--r-md);
}

.md-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 1.2em;
    font-size: 12.5px;
}

.md-body th,
.md-body td {
    padding: 9px 12px;
    border: 1px solid var(--line);
    text-align: left;
}

.md-body th {
    background: var(--surface-2);
    font-weight: 620;
}

.md-body input[type="checkbox"] { accent-color: var(--mint); }

/* --- Responsive ---------------------------------------------------------- */
@media (max-width: 900px) {
    .main--fixed {
        height: auto;
        overflow: visible;
    }

    .md-content { overflow: visible; }

    .md-panes {
        grid-template-columns: 1fr;
        grid-template-rows: none;
    }

    .pane { min-height: 340px; }
}