html:has(main.font-page) {
    overflow-x: clip;
}

.font-page .guide-header {
    margin-bottom: var(--spacing-xl);
}

.font-layout {
    display: grid;
    grid-template-columns: minmax(260px, 340px) minmax(0, 1fr);
    gap: 1.25rem;
    align-items: start;
}

.font-controls {
    display: grid;
    gap: 0.85rem;
    background: var(--surface);
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    box-shadow: var(--shadow-sm);
}

.font-controls label {
    display: grid;
    gap: 0.35rem;
    color: var(--text-color);
    font-weight: 700;
    font-size: 0.95rem;
}

.font-controls .font-check {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    min-height: 44px;
}

.font-controls input[type="text"],
.font-controls textarea,
.font-controls select,
.font-controls input[type="color"] {
    width: 100%;
    font: inherit;
    color: var(--text-color);
    background: var(--surface-alt);
    border: 1.5px solid var(--medium-gray);
    border-radius: var(--border-radius-sm);
}

.font-controls textarea,
.font-controls select {
    padding: 0.65rem 0.75rem;
}

.font-controls textarea {
    min-height: 6.5rem;
    resize: vertical;
    font-family: var(--font-body);
    font-weight: 600;
}

.font-controls input[type="color"] {
    height: 44px;
    padding: 0.25rem;
}

.font-controls input[type="range"] {
    width: 100%;
    accent-color: var(--primary-color);
}

.font-size-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.font-size-row output {
    min-width: 1.5rem;
    font-variant-numeric: tabular-nums;
}

.font-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.font-controls button {
    font-family: var(--font-primary);
    font-weight: 700;
    border: 2px solid #111;
    background: var(--primary-color);
    color: #10210c;
    border-radius: 8px;
    padding: 0.65rem 0.8rem;
    min-height: 44px;
    box-shadow: 3px 3px 0 #111;
}

.font-controls button:hover {
    transform: translate(-1px, -1px);
}

.font-controls button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

.font-controls .font-button-secondary {
    background: var(--surface);
    color: var(--text-color);
}

.font-controls button:focus-visible,
.font-controls input:focus-visible,
.font-controls textarea:focus-visible,
.font-controls select:focus-visible {
    outline: 3px solid var(--accent-cyan);
    outline-offset: 2px;
}

.font-status {
    min-height: 1.4em;
    margin: 0;
    color: var(--text-secondary);
    font-weight: 700;
}

.font-preview {
    min-height: 180px;
    overflow: auto;
    background: var(--surface);
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    box-shadow: var(--shadow-sm);
}

.font-preview.is-clear {
    background-color: #d7d7d7;
    background-image:
        linear-gradient(45deg, #c4c4c4 25%, transparent 25%),
        linear-gradient(-45deg, #c4c4c4 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #c4c4c4 75%),
        linear-gradient(-45deg, transparent 75%, #c4c4c4 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}

.font-preview canvas {
    display: block;
    max-width: 100%;
    height: auto;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

.font-page .ad-slot {
    margin: 1.5rem auto;
    min-height: 100px;
    max-width: 100%;
    overflow: hidden;
    text-align: center;
}

.font-page .ad-slot .adsbygoogle,
.font-page .ad-slot iframe {
    max-width: 100% !important;
}

.font-page .guide-content {
    margin-top: 1.5rem;
}

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

    .font-actions button {
        flex: 1 1 calc(50% - 0.5rem);
    }
}

@media (min-width: 769px) and (max-width: 1100px) {
    header nav a {
        padding: 0.4rem 0.5rem;
        font-size: 0.85rem;
    }
}