.pdf-layout-workspace { display: grid; grid-template-columns: minmax(250px, 340px) minmax(0, 1fr); gap: 24px; align-items: start; }
.pdf-layout-controls { min-width: 0; }
.pdf-layout-controls h2, .pdf-layout-preview h2 { font-size: 19px; margin: 0 0 16px; }
.pdf-layout-drop { border: 1px dashed var(--input-border); padding: 20px; border-radius: 8px; background: var(--bg-surface); }
.pdf-layout-drop p { margin-top: 12px; color: var(--text-muted); font-size: 13px; line-height: 1.7; }
.pdf-layout-meta { overflow-wrap: anywhere; margin: 14px 0; font-size: 14px; }
.pdf-layout-options { border: 0; padding: 0; min-width: 0; display: grid; gap: 14px; margin: 20px 0; }
.pdf-layout-options legend { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.pdf-layout-options label { display: grid; gap: 6px; font-size: 14px; }
.pdf-layout-options select, .pdf-layout-options input:not([type=checkbox]) { width: 100%; min-width: 0; height: 44px; padding: 8px 12px; border: 1px solid var(--input-border); border-radius: 6px; background: var(--input-bg); color: var(--text-main); }
.pdf-layout-options label.pdf-layout-check { display: flex; align-items: center; }
.pdf-layout-toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 14px; }
.pdf-layout-toolbar select { min-height: 42px; background: var(--bg-surface); color: var(--text-main); border: 1px solid var(--input-border); padding: 6px 10px; border-radius: 6px; }
.pdf-layout-toolbar button { width: 42px; height: 42px; padding: 0; }
.pdf-layout-preview { min-width: 0; }
.pdf-layout-canvas { min-height: 420px; padding: 20px; display: flex; align-items: flex-start; justify-content: center; background: var(--bg-surface-soft); border: 1px solid var(--border-color); border-radius: 8px; }
.pdf-layout-canvas canvas { display: block; max-width: 100%; height: auto; background: white; box-shadow: 0 2px 10px rgba(0,0,0,.12); }
.pdf-layout-workspace button:disabled { opacity: .5; cursor: not-allowed; }
.pdf-layout-note { border-left: 3px solid #b5801a; padding: 10px 14px; line-height: 1.7; font-size: 13px; color: var(--text-muted); margin: 18px 0; }
@media(max-width: 1100px) { .pdf-layout-workspace { grid-template-columns: 1fr; } .pdf-layout-options { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media(max-width: 560px) { .pdf-layout-options { grid-template-columns: 1fr; } .pdf-layout-canvas { padding: 10px; min-height: 300px; } }
.pdf-usage { margin: 32px 0; padding: 28px 0; border-block: 1px solid var(--border-color); }
.pdf-usage h2 { font-size: 20px; line-height: 1.5; margin-bottom: 22px; }
.pdf-usage ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 32px; margin: 0; padding: 0; list-style: none; counter-reset: usage; }
.pdf-usage li { counter-increment: usage; padding-left: 36px; position: relative; min-width: 0; }
.pdf-usage li::before { content: counter(usage, decimal-leading-zero); position: absolute; left: 0; top: 2px; color: var(--clr-primary); font-size: 13px; font-weight: 800; }
.pdf-usage li strong { display: block; font-size: 16px; margin-bottom: 8px; }
.pdf-usage p { color: var(--text-muted); font-size: 14px; line-height: 1.85; margin: 0; overflow-wrap: anywhere; }
.pdf-usage .pdf-usage-example { margin-top: 24px; padding: 16px 20px; border-left: 3px solid #188474; background: var(--bg-surface-soft); }
.pdf-usage-example strong, .pdf-usage-help strong { display: block; color: var(--text-main); margin-bottom: 4px; }
.pdf-usage .pdf-usage-help { margin-top: 18px; }
body.dark-mode .pdf-usage li::before { color: #aac9ff; }
@media (max-width: 600px) { .pdf-usage ol { grid-template-columns: minmax(0, 1fr); gap: 20px; } }
.seo-detail-section .pdf-related-banners { display: grid; gap: 10px; list-style: none; padding: 0; margin: 18px 0 0; }
.seo-detail-section .pdf-related-banners li { margin: 0; min-width: 0; }
.pdf-related-banners a { display: flex; align-items: center; gap: 18px; padding: 18px 22px; min-height: 84px; border: 1px solid var(--border-color); border-radius: 8px; background: var(--bg-surface); color: var(--text-main); text-decoration: none; transition: border-color .15s, background-color .15s; }
.pdf-related-banners a:hover { border-color: var(--clr-primary); background: var(--bg-surface-soft); }
.pdf-related-banners a:focus-visible { outline: 3px solid var(--clr-primary); outline-offset: 3px; }
.pdf-related-icon { display: grid; place-items: center; width: 44px; height: 44px; flex-shrink: 0; border-radius: 6px; background: var(--bg-surface-soft); color: var(--clr-primary); font-size: 19px; }
.pdf-related-copy { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.pdf-related-copy strong { display: block; font-size: 16px; color: var(--text-main); line-height: 1.5; }
.pdf-related-copy > span { display: block; margin-top: 4px; font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.pdf-related-arrow { font-size: 22px; color: var(--clr-primary); }
body.dark-mode .pdf-related-banners { --clr-primary: #aac9ff; }
@media(max-width: 600px) {
    .pdf-related-banners a { padding: 14px; gap: 12px; }
    .pdf-related-icon { width: 34px; height: 38px; font-size: 17px; }
    .pdf-related-copy strong { font-size: 15px; }
    .pdf-related-copy > span { font-size: 13px; }
}