:root{--bg:#fdfdfc;--fg:#222;--muted:#555;--surface:#fff;--border:#ddd;--link:#0645AD;--link-hover:color-mix(in oklab, var(--link) 20%, black);--accent:#0645AD;--surface-elevated:#f8f8f8}
*{box-sizing:border-box}

html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--fg);padding:0 1rem 2rem;line-height:1.6}
header,footer,main{max-width:960px;margin:0 auto}
header{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}
header h1{font-size:1.25rem;margin:0}
header a{text-decoration:none;color:var(--fg)}
a{color:var(--link);text-decoration:none;transition:color .15s}
a:hover{color:var(--link-hover);text-decoration:none}
a:focus{outline:3px solid color-mix(in oklab, var(--link) 30%, transparent);outline-offset:2px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(48px,1fr));gap:8px}
.kanji-tile{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:4px;text-align:center;font-size:28px;line-height:42px;box-shadow:0 1px 2px rgba(0,0,0,.06);transition:transform .15s,box-shadow .15s}
.kanji-tile:hover{transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.12)}
.meta{font-size:.9rem;color:var(--muted)}
code{background:color-mix(in oklab, var(--fg) 10%, transparent);padding:2px 4px;border-radius:3px}
.content{margin-top:1rem}

.kanji-page{max-width:800px;margin:0 auto}
.kanji-hero{text-align:center;padding:2rem 0 3rem;border-bottom:2px solid var(--border)}
.kanji-character{font-size:10rem;line-height:1;margin-bottom:.5rem;font-weight:300}
.kanji-code{font-size:1.25rem;color:var(--muted);font-family:ui-monospace,monospace}
.kanji-section{margin:2.5rem 0}
.kanji-section h2{font-size:1.5rem;margin:0 0 1rem;color:var(--accent);font-weight:600}
.kanji-content{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:1.25rem;line-height:1.8;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.kanji-readings{display:flex;flex-direction:column;gap:1rem}
.reading-group{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:1rem 1.25rem;display:flex;align-items:baseline;gap:1rem;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.reading-label{font-weight:600;color:var(--accent);min-width:4.5rem;font-size:.95rem}
.reading-value{font-size:1.25rem;flex:1}
.kanji-info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}
.info-item{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:1rem;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.info-label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:.35rem;font-weight:500}
.info-value{display:block;font-size:1.1rem;font-weight:500}
.kanji-technical{margin:2.5rem 0;border:1px solid var(--border);border-radius:8px;background:var(--surface-elevated)}
.kanji-technical summary{padding:1rem 1.25rem;cursor:pointer;font-weight:600;color:var(--muted);user-select:none;transition:color .15s}
.kanji-technical summary:hover{color:var(--fg)}
.kanji-technical[open] summary{border-bottom:1px solid var(--border);color:var(--accent)}
.kanji-technical .kanji-info-grid{padding:1.25rem;margin:0}
.kanji-nav{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--border)}
.btn-back{display:inline-block;padding:.6rem 1.25rem;background:var(--surface);border:1px solid var(--border);border-radius:6px;color:var(--fg);font-weight:500;transition:all .15s;box-shadow:0 1px 2px rgba(0,0,0,.05)}
.btn-back:hover{text-decoration:none;background:var(--surface-elevated);transform:translateX(-2px);box-shadow:0 2px 4px rgba(0,0,0,.1)}
.stroke-order-container{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:1.25rem;text-align:center;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.stroke-order-image{max-width:100%;height:auto;display:block;margin:0 auto}

/* Site-wide footer styles */
.site-footer{background:var(--surface);border-top:2px solid var(--border);margin-top:4rem;padding:3rem 1rem 1.5rem}
.footer-content{max-width:960px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;margin-bottom:2rem}
.footer-section h3{font-size:1.25rem;margin:0 0 0.75rem;color:var(--fg);font-weight:600}
.footer-section h4{font-size:1rem;margin:0 0 0.75rem;color:var(--fg);font-weight:600}
.footer-section p{color:var(--muted);margin:0;line-height:1.6}
.footer-section ul{list-style:none;padding:0;margin:0}
.footer-section ul li{margin-bottom:0.5rem}
.footer-section ul li a{color:var(--link);text-decoration:none;transition:color .15s}
.footer-section ul li a:hover{color:var(--link-hover);text-decoration:none}
.footer-bottom{max-width:960px;margin:0 auto;padding-top:1.5rem;border-top:1px solid var(--border);text-align:center}
.footer-bottom p{margin:0;color:var(--muted);font-size:0.9rem}

/* Search page styles */
.search-section{max-width:1200px;margin:0 auto}
.search-section h2{font-size:1.75rem;margin-bottom:1.5rem}
.search-controls{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:1.25rem;margin-bottom:1.5rem;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.search-input-group{margin-bottom:1rem}
.search-input-group label{display:block;font-weight:600;margin-bottom:.5rem}
.search-input-group input{width:100%;padding:.75rem;font-size:1rem;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--fg);transition:border-color .15s}
.search-input-group input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in oklab, var(--accent) 15%, transparent)}
.filter-group{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}
.filter-item label{display:block;font-weight:500;margin-bottom:.5rem;font-size:.9rem;color:var(--muted)}
.filter-item select,.filter-item input{width:100%;padding:.5rem;font-size:.95rem;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--fg);transition:border-color .15s}
.filter-item select:focus,.filter-item input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px color-mix(in oklab, var(--accent) 15%, transparent)}
.search-results-header{margin-bottom:1rem}
.search-results{min-height:300px}
.search-results .loading,.search-results .no-results{text-align:center;padding:3rem 1rem;color:var(--muted);font-size:1.1rem}
.welcome-section{text-align:center;padding:4rem 1rem}
.welcome-section h2{font-size:2rem;margin-bottom:1rem}
.welcome-section p{font-size:1.1rem;color:var(--muted);margin-bottom:2rem}
.cta-button{display:inline-block;padding:.75rem 1.5rem;margin:.5rem;background:var(--accent);color:#fff;border-radius:6px;font-weight:600;transition:all .15s;box-shadow:0 2px 4px rgba(0,0,0,.1)}
.cta-button:hover{color:white;text-decoration:none;transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.15)}

/* Kanji lists by category */
#kanji-lists-by-category{margin-top:3rem;text-align:left}
#kanji-lists-by-category h3{font-size:1.5rem;color:var(--fg);margin-bottom:1.5rem;text-align:center}
/* Slightly smaller variant for the category heading when needed */
#kanji-lists-by-category .smaller-heading{font-size:1.25rem;margin-bottom:1rem;text-align:center;font-weight:600}
.category-lists{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem}
.category-list{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:1.25rem;box-shadow:0 1px 3px rgba(0,0,0,.05);transition:transform .15s,box-shadow .15s}
.category-list:hover{box-shadow:0 4px 8px rgba(0,0,0,.1)}
.category-list h4{font-size:1rem;color:var(--fg);margin:0 0 .75rem;padding-bottom:.5rem;border-bottom:1px solid var(--border);font-weight:600}
.category-list ul{list-style:none;padding:0;margin:0}
.category-list ul li{margin-bottom:.5rem}
.category-list ul li:last-child{margin-bottom:0}
.category-list ul li a{color:var(--link);font-size:.95rem;display:block;padding:.25rem 0;transition:color .15s,padding-left .15s}
.category-list ul li a:hover{color:var(--link-hover);text-decoration:none}

/* Page category links section (shown at bottom of pages, above footer) */
.page-category-links{max-width:960px;margin:3rem auto 0;padding:2rem 1rem;border-top:1px solid var(--border)}
.page-category-links h3{font-size:1.25rem;color:var(--fg);margin:0 0 1.5rem;text-align:center;font-weight:600}

/* Blocks page styles */
.blocks-section{max-width:1200px;margin:0 auto}
.blocks-section h2{font-size:1.75rem;margin-bottom:1rem}
.blocks-container{margin-top:2rem}
.block-section{margin-bottom:3rem}
.block-section h3{font-size:1.25rem;color:var(--accent);margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--border)}
.blocks-container .loading,.blocks-container .error{text-align:center;padding:3rem 1rem;color:var(--muted);font-size:1.1rem}
.blocks-container .error{color:#d32f2f}

/* Kanji section page styles */
.kanji-section-page{max-width:1200px;margin:0 auto}
.kanji-section-page h2{font-size:1.75rem;margin-bottom:.5rem}
.section-description{color:var(--muted);margin-bottom:1.5rem;font-size:1rem}
.kanji-index-content{line-height:2.2}
.kanji-index-content h1{font-size:1.5rem;margin:0 0 1rem;color:var(--fg);font-weight:600}
.kanji-index-content h2{font-size:1.15rem;color:var(--fg);margin:1.5rem 0 .75rem;padding-bottom:.5rem;border-bottom:1px solid var(--border);font-weight:600}
.kanji-index-content p{margin:0 0 1rem}
.kanji-index-content a{display:inline-block;font-size:28px;line-height:42px;padding:4px;margin:4px;background:var(--surface);border:1px solid var(--border);border-radius:6px;text-decoration:none;color:var(--accent);text-align:center;box-shadow:0 1px 2px rgba(0,0,0,.06);transition:transform .15s,box-shadow .15s,color .15s;vertical-align:middle}
.kanji-index-content a:hover{transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.12);text-decoration:none}
.empty{text-align:center;padding:3rem 1rem;color:var(--muted);font-size:1.1rem}

@media (max-width:600px){
.kanji-character{font-size:6rem}
.kanji-info-grid{grid-template-columns:1fr}
.reading-group{flex-direction:column;align-items:flex-start;gap:.5rem}
.reading-label{min-width:auto}
.filter-group{grid-template-columns:1fr}
.welcome-section{padding:2rem 1rem}
.welcome-section h2{font-size:1.5rem}
.footer-content{grid-template-columns:1fr;gap:1.5rem}
.site-footer{padding:2rem 1rem 1rem}
}