/* Shared 3px content dividers. Card, button, and input outlines stay separate. */
.xb-header,
.site-header,
.topbar { border-bottom-width: 3px; }

/* Learning pages */
.method-grid > div,
.meaning-box > div,
.hero-example { border-left-width: 3px; }
.path-lessons,
.rail-tip,
.transfer-answer { border-top-width: 3px; }
.lesson-rail { border-right-width: 3px; }
.rail-top,
.lesson-block { border-bottom-width: 3px; }
@media (max-width: 900px) {
  .lesson-rail { border-bottom-width: 3px; }
}

/* Pronunciation and grammar pages */
.guide-intro,
.guide-section:not(#vowels) { border-bottom-width: 3px; }
.rule-list > div { border-top-width: 3px; }
.guide-section .hint { border-left-width: 3px; }
.grammar-table th,
.grammar-table td { border-width: 3px; }

/* Word-follow reader and its catalog */
.intro-facts i,
.tree-level .tree-level,
.brand small,
.hero-art { border-left-width: 3px; }
.hero-art { border-top-width: 3px; }
.catalog-heading,
.chant-subsection h3,
.catalog-group-title { border-bottom-width: 3px; }
.catalog-foot,
.catalog-panel .reading-legend,
.source-footer,
.reading-supplement .merit-verse + .merit-verse { border-top-width: 3px; }
.translation { border-top-width: 3px; }

/* Scene pages and legacy reader sections */
.scene-intro,
.about,
.custom-picker,
.custom-savebar { border-top-width: 3px; }
.scene-turn,
.reader-head,
.verse-row,
.directory-panel[open] > summary,
.custom-panel[open] > summary { border-bottom-width: 3px; }
.scene-content > p.scene-dialogue-note { border-left-width: 3px; }
.workspace,
.sidebar { border-right-width: 3px; }
.workspace { border-left-width: 3px; }
@media (max-width: 700px) {
  .sidebar { border-bottom-width: 3px; }
}