.ogham-learning-page{padding:2rem 1rem;max-width:900px;margin:0 auto;animation:fadeIn .5s ease-out}.ogham-header{text-align:center;margin-bottom:2rem;position:relative}.ogham-header .back-link{position:absolute;left:0;top:0;display:inline-flex;align-items:center;gap:.5rem;color:#8b7355;text-decoration:none;padding:.5rem 1rem;border-radius:var(--radius-md);background:var(--bg-tertiary);font-weight:600;transition:all .2s}.ogham-header .back-link:hover{background:var(--bg-card);color:var(--text-primary)}.ogham-header h1{font-size:2rem;color:var(--text-primary);margin:.5rem 0;font-weight:700}.ogham-header p{color:var(--text-secondary);font-size:.95rem;max-width:600px;margin:0 auto}.ogham-intro-section{margin-bottom:1.5rem}.ogham-intro-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:1.5rem;position:relative;overflow:hidden}.ogham-intro-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#2d5a27,#8b7355,#2d5a27)}.ogham-intro-card h2{margin:0 0 .5rem;font-size:1.2rem;color:var(--text-primary);font-weight:600}.ogham-intro-card .intro-aliases{margin:0 0 1rem;font-size:.9rem;color:#8b7355;font-style:italic}.ogham-intro-card .intro-content{margin:0;font-size:.95rem;color:var(--text-secondary);line-height:2;text-align:justify;white-space:pre-line}.ogham-stats{display:flex;justify-content:center;gap:1.5rem;margin-bottom:1.5rem;padding:1rem;background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);flex-wrap:wrap}.ogham-stats .stat-item{display:flex;align-items:center;gap:.5rem;color:var(--text-secondary);font-size:.9rem}.ogham-filters{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.5rem;padding:1rem;background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md)}.ogham-filters .search-box{display:flex;align-items:center;gap:.75rem;padding:.5rem 1rem;background:var(--bg-tertiary);border:1px solid var(--border-light);border-radius:var(--radius-md)}.ogham-filters .search-box svg{color:var(--text-secondary);flex-shrink:0}.ogham-filters .search-box input{flex:1;background:transparent;border:none;color:var(--text-primary);font-size:.95rem;outline:none}.ogham-filters .search-box input::-moz-placeholder{color:var(--text-secondary)}.ogham-filters .search-box input::placeholder{color:var(--text-secondary)}.aicme-filters{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center}.aicme-filters button{padding:.5rem 1rem;background:var(--bg-tertiary);border:1px solid var(--border-light);border-radius:var(--radius-md);color:var(--text-secondary);font-size:.85rem;cursor:pointer;transition:all .2s}.aicme-filters button:hover{background:var(--bg-card);border-color:var(--filter-color, #8b7355);color:var(--text-primary)}.aicme-filters button.active{background:var(--filter-color, #8b7355);border-color:var(--filter-color, #8b7355);color:#fff;font-weight:600}.aicme-section{margin-bottom:2.5rem}.aicme-header{display:flex;align-items:center;gap:1rem;margin-bottom:1.25rem;padding-bottom:.75rem;border-bottom:2px solid}.aicme-icon{width:40px;height:40px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem}.aicme-title h3{margin:0;font-size:1.1rem;color:var(--text-primary)}.aicme-title p{margin:0;font-size:.8rem;color:var(--text-secondary)}.aicme-count{margin-left:auto;font-size:.85rem;color:var(--text-secondary);background:var(--bg-tertiary);padding:.25rem .75rem;border-radius:var(--radius-md)}.ogham-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem}.ogham-grid.single-section{max-width:100%}.ogham-card{display:flex;flex-direction:column;align-items:center;padding:1.25rem 1rem;background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);text-decoration:none;color:inherit;transition:all .25s;position:relative;overflow:hidden}.ogham-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--aicme-color, #8b7355);opacity:0;transition:opacity .25s}.ogham-card:hover{transform:translateY(-4px);border-color:var(--aicme-color, #8b7355);box-shadow:0 12px 32px #2d5a2726}.ogham-card:hover:before{opacity:1}.ogham-glyph{font-size:2.5rem;color:var(--aicme-color, #8b7355);margin-bottom:.75rem}.ogham-info{text-align:center;width:100%}.ogham-name{display:flex;flex-direction:column;gap:.1rem;margin-bottom:.25rem}.ogham-name .name-ga{font-size:1rem;font-weight:600;color:var(--text-primary)}.ogham-name .name-cn{font-size:.8rem;color:var(--text-secondary)}.ogham-tree{font-size:.75rem;color:#2d5a27;margin-bottom:.5rem;display:flex;align-items:center;justify-content:center;gap:.25rem}.ogham-tree svg{width:12px;height:12px}.ogham-keywords{display:flex;flex-wrap:wrap;gap:.25rem;justify-content:center}.ogham-keywords .keyword{font-size:.7rem;color:var(--text-secondary);background:var(--bg-tertiary);padding:.15rem .4rem;border-radius:var(--radius-sm, 4px)}.ogham-no-results{text-align:center;padding:3rem;color:var(--text-secondary)}@media(max-width:768px){.ogham-learning-page{padding:1rem .5rem}.ogham-header h1{font-size:1.5rem;margin-top:2.5rem}.ogham-stats{gap:1rem}.ogham-grid{grid-template-columns:repeat(2,1fr);gap:.75rem}.ogham-card{padding:1rem .75rem}.ogham-glyph{font-size:2rem}.aicme-filters button{font-size:.75rem;padding:.4rem .7rem}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}