.markdown {
    font-family: var(--font-sans);
    color: var(--ink);
    line-height: 1.75;
    padding: var(--space-5);
    overflow-y: auto;
    max-height: 100%;
    flex: 1;
}

.markdown h1,
.markdown h2,
.markdown h3,
.markdown h4,
.markdown h5,
.markdown h6 {
    font-family: var(--font-display);
    margin: 2rem 0 1rem;
    color: var(--ink);
}

.markdown h1 {
    font-size: clamp(2.1rem, 2.2vw, 2.6rem);
    border-bottom: 2px solid var(--accent);
    padding-bottom: 0.4rem;
    margin-top: 0;
}

.markdown h2 {
    font-size: clamp(1.6rem, 1.8vw, 2rem);
    border-bottom: 1px solid rgba(27, 127, 121, 0.25);
    padding-bottom: 0.3rem;
}

.markdown h3 {
    font-size: 1.4rem;
}

.markdown h4 {
    font-size: 1.2rem;
}

.markdown h5 {
    font-size: 1.1rem;
}

.markdown h6 {
    font-size: 1rem;
    color: var(--ink-soft);
}

.markdown p {
    margin: 1rem 0;
}

.markdown ul,
.markdown ol {
    margin: 1rem 0 1.5rem;
    padding-left: 1.8rem;
}

.markdown li {
    margin: 0.4rem 0;
}

.markdown blockquote {
    margin: 1.5rem 0;
    padding: 1.2rem 1.4rem;
    background: rgba(27, 127, 121, 0.08);
    border-left: 4px solid var(--accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--ink-muted);
}

.markdown blockquote p {
    margin: 0.4rem 0;
}

.markdown code:not([class*="language-"]) {
    background: rgba(27, 127, 121, 0.1);
    color: var(--accent-strong);
    padding: 0.1rem 0.35rem;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.85em;
    border: 1px solid rgba(27, 127, 121, 0.25);
}

.markdown pre {
    margin: 1.5rem 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.markdown pre code {
    display: block;
    padding: 1.2rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.6;
}

.markdown pre:hover .copy-button {
    opacity: 1;
}

.markdown table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.markdown th,
.markdown td {
    border: 1px solid rgba(15, 23, 42, 0.12);
    padding: 0.8rem 1rem;
    text-align: left;
}

.markdown th {
    background: rgba(27, 127, 121, 0.08);
    font-weight: 600;
}

.markdown tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.65);
}

.markdown a {
    color: var(--accent-strong);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

.markdown img {
    margin: 1.5rem 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.markdown hr {
    border: none;
    height: 2px;
    background: var(--stroke-strong);
    margin: 2.5rem 0;
}

.markdown .task-list-item {
    list-style: none;
    margin-left: -1.4rem;
}

.markdown .task-list-item-checkbox {
    margin-right: 0.6rem;
}

.markdown .mermaid {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-md);
    border: 1px solid rgba(27, 127, 121, 0.15);
    margin: 1.5rem 0;
}

.markdown .katex {
    font-size: 1.05em;
}

.markdown .alert {
    padding: 1rem;
    margin: 1rem 0;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
}

.markdown .alert-info {
    background: rgba(29, 78, 216, 0.1);
    border-color: rgba(29, 78, 216, 0.4);
    color: #1e3a8a;
}

.markdown .alert-warning {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.45);
    color: #92400e;
}

.markdown .alert-danger {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.4);
    color: #991b1b;
}

.markdown .alert-success {
    background: rgba(34, 197, 94, 0.12);
    border-color: rgba(34, 197, 94, 0.4);
    color: #166534;
}