.blog-container {
    display: none;
    padding: 20px;
    color: var(--color-primary);
    font-family: "FantasqueSansMono";
    height: calc(100vh - 100px);
    overflow: hidden;
    position: relative;
    margin-bottom: 40px; /* Add space for the button */
}

.blog-scroll-container {
    height: calc(100vh - 160px);
    overflow: auto; /* allow native scrolling to reach bottom reliably */
    position: relative;
    padding-bottom: 160px; /* enough space so fixed button doesn't cover content */
}

/* Hide scrollbar but keep scrolling functionality */
.blog-scroll-container {
    -ms-overflow-style: none; /* IE and Edge */
    scrollbar-width: none; /* Firefox */
}
.blog-scroll-container::-webkit-scrollbar {
    width: 0px;
    height: 0px;
}

.blog-content-wrapper {
    position: relative;
    transition: none; /* no transform-based animation needed */
    min-height: 100%;
    padding-bottom: 140px; /* extra padding so the bottom button is reachable */
}

.scroll-indicator {
    position: fixed;
    left: 16px; /* move to left side */
    padding: 10px;
    background-color: var(--color-background);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    z-index: 100;
    font-size: 1.5em;
    opacity: 0.8;
    pointer-events: auto; /* allow clicks */
    cursor: pointer;
}

.scroll-up {
    top: 48%;
    transform: translateY(-60px);
}

.scroll-down {
    top: 52%;
    transform: translateY(0px);
}

.key-guide {
    position: fixed;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--color-background);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: 10px;
    font-size: 0.9em;
    opacity: 0.9;
    z-index: 120;
    writing-mode: vertical-rl; /* vertical text */
    text-orientation: mixed;
}

/* Ensure key-guide doesn't overlay important content on small screens */
@media (max-height: 700px) {
    .key-guide {
        bottom: 8px;
        font-size: 0.8em;
        padding: 6px;
    }
    .scroll-down { bottom: 48px; }
}

.blog-post {
    max-width: 800px;
    margin: 0 auto;
}

.blog-date {
    margin: 10px 0;
    font-style: italic;
}

.blog-content {
    line-height: 1.6;
}

.blog-content h1,
.blog-content h2,
.blog-content h3 {
    margin: 20px 0 10px 0;
}

.blog-content p {
    margin: 15px 0;
}

.blog-content ul,
.blog-content ol {
    margin: 15px 0;
    padding-left: 20px;
}

.blog-close-btn {
    margin-top: 20px;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    cursor: pointer;
    font-family: inherit;
}

.blog-close-btn:hover {
    background: var(--color-primary);
    color: var(--color-background);
}

.blog-direct-link {
    color: var(--color-primary);
    text-decoration: underline;
}

.blog-direct-link-wrap {
    display: inline-flex;
    gap: 8px;
    align-items: center;
}

.copy-link-btn {
    background: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: 4px 8px;
    cursor: pointer;
    font-family: inherit;
}

.copy-link-btn:hover { background: var(--color-primary); color: var(--color-background); }

/* Mermaid diagram styling */
.mermaid-wrapper {
    background: var(--color-background);
    padding: 20px;
    margin: 20px 0;
    border: 1px solid #4d8ce7;
    border-radius: 4px;
    overflow-x: auto;
}

.mermaid {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100px;
}

.mermaid svg {
    max-width: 100%;
    height: auto !important;
}

/* Override Mermaid default styles */
.mermaid .label {
    font-family: 'FantasqueSansMono', monospace !important;
    color: #4d8ce7 !important;
    font-size: 14px !important;
}

.mermaid .node rect,
.mermaid .node circle,
.mermaid .node ellipse,
.mermaid .node polygon {
    fill: #000000 !important;
    stroke: #4d8ce7 !important;
    stroke-width: 2px !important;
}

.mermaid .node .label {
    color: #4d8ce7 !important;
}

.mermaid .edgePath .path {
    stroke: #4d8ce7 !important;
    stroke-width: 2px !important;
}

.mermaid .arrowheadPath {
    fill: #4d8ce7 !important;
    stroke: #4d8ce7 !important;
}

.mermaid .edgeLabel {
    background-color: #000000 !important;
    color: #4d8ce7 !important;
}

/* fixed-close-btn removed; inline back button used instead. */