@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;600;700&display=swap');
:root{color-scheme:light;--button-text:#fff;--button-hover:#984528;--nav-ink:#585a54;--paper:#f5f4f0;--surface:#fff;--ink:#22231f;--muted:#777970;--line:#e4e3dc;--accent:#c76543;--soft:#f2ece6;--shadow:0 8px 32px rgba(30,31,27,.045);font-family:'DM Sans','Noto Sans JP',sans-serif;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-size:15px;line-height:1.65}a{color:inherit;text-decoration-color:#babbb2;text-underline-offset:3px}a:hover{color:var(--accent)}button,input,select{font:inherit}button,.button{border:0;border-radius:8px;background:var(--ink);color:var(--button-text);padding:11px 17px;cursor:pointer;font-weight:600;text-decoration:none}button:hover,.button:hover{background:var(--button-hover);color:var(--button-text)}.skip{position:absolute;left:-9999px;top:0}.skip:focus{left:10px;z-index:20;background:var(--surface);padding:12px}.sidebar{position:fixed;inset:0 auto 0 0;width:238px;padding:34px 22px 22px;background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:4}.brand{font-size:19px;font-weight:700;letter-spacing:-.7px;text-decoration:none;margin:0 5px 39px}.brand span{display:block;color:var(--muted);font-size:12px;letter-spacing:.04em;font-weight:500}.sidebar nav{display:grid;gap:5px}.sidebar nav a{padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--nav-ink);font-size:14px}.sidebar nav a:hover,.sidebar nav a.selected{color:var(--ink);background:var(--paper)}.sidebar nav a.selected{font-weight:600}.side-foot{margin-top:auto;border-top:1px solid var(--line);padding:16px 4px 0;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:11px}.side-foot button{background:none;color:var(--muted);padding:5px;font-size:12px}.main{margin-left:238px;min-height:100vh;padding:0 48px}.topline{height:62px;border-bottom:1px solid 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var(--line);border-radius:10px;background:var(--surface)}table{border-collapse:collapse;width:100%;min-width:760px;font-size:13px}th,td{text-align:left;vertical-align:top;padding:11px 13px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:600;background:#faf9f6}td .citations{margin:6px 0}.graph{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:10px;position:relative}.graph-node{position:relative;display:grid;gap:3px;padding:13px;border-radius:10px;border:1px solid var(--line);background:var(--surface);text-decoration:none;box-shadow:var(--shadow);font-size:12px}.graph-node span{font-size:10px;color:var(--muted)}.graph-node strong{font-size:13px}.homework-grid{margin:0 0 24px;grid-template-columns:repeat(3,minmax(0,1fr))}.theme-dark{--button-text:#1c1d1b;--button-hover:#e3916e;--nav-ink:#bfc1b7;--paper:#1c1d1b;--surface:#262724;--ink:#eeeFE8;--muted:#a4a69c;--line:#3d3e39;--accent:#e3916e;--soft:#39332e;color-scheme:dark}.theme-dark .review{background:#393124}.theme-dark th{background:#30312d} 
@media(max-width:1100px){.main{padding:0 28px}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.shortcut-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.sidebar{position:fixed;inset:58px 0 auto;width:auto;padding:8px 14px 12px;display:none;border:0;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.sidebar.open{display:block}.sidebar .brand,.side-foot{display:none}.sidebar nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:1px}.sidebar nav a{padding:9px 10px}.mobile-head{height:58px;position:sticky;top:0;z-index:5;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 16px}.mobile-head .brand{margin:0;font-size:16px;line-height:1.1}.mobile-head .brand span{display:inline;font-size:11px;margin-left:5px}.nav-toggle{background:var(--paper);color:var(--ink);padding:7px 12px;font-size:12px}.main{margin-left:0;padding:0 17px}.topline{height:42px;font-size:10px}.topline span:last-child{display:none}.content{padding:28px 0 43px}.hero{padding-top:8px}.hero h1{font-size:43px;letter-spacing:-1.9px}.stats{overflow:auto}.stats>div{min-width:84px;padding:9px 11px}.home-grid{grid-template-columns:1fr;gap:12px}.lower{margin-top:13px}.card-grid{grid-template-columns:1fr}.shortcut-grid,.homework-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.filters{display:grid;grid-template-columns:1fr 1fr}.filters label:first-child{grid-column:1/-1}.facts{grid-template-columns:1fr 1fr}.page-head h1{font-size:37px;letter-spacing:-1.5px}.pagination{gap:10px}.pagination span{font-size:10px;text-align:center}.graph{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:380px){.shortcut-grid,.homework-grid{grid-template-columns:1fr}.facts{grid-template-columns:1fr}.search-row button{min-width:74px;padding:9px}}
.mobile-actions{display:flex;gap:6px}.graph-edges{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:8px;margin-top:14px}.graph-edge{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:7px;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:9px;font-size:12px}.graph-edge>span{grid-column:1/-1;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.08em}.graph-edge>b{text-align:center;color:var(--accent)}.lesson-neighbors{display:flex;justify-content:space-between;gap:14px;margin:30px 0 10px;padding:15px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.lesson-neighbors>*{display:grid;align-content:start}.lesson-neighbors span{font-size:10px;color:var(--muted)}.lesson-neighbors>*:last-child{text-align:right}.unavailable{background:#faf9f6}.theme-dark .unavailable{background:#30312d}
.graph-scroll{overflow:auto;border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:8px}.lesson-graph{display:block;width:100%;min-width:820px;height:auto}.edge{fill:none;stroke-width:2}.edge-chrono{stroke:#a6a99f;stroke-dasharray:5 5}.edge-repeat{stroke:#c76543;stroke-width:2.5}.edge-prerequisite{stroke:#5584aa;stroke-width:2.5}.edge-related{stroke:#898c84}.lesson-graph marker path{fill:#777970}.lesson-graph marker#arrow-repeat path{fill:#c76543}.lesson-graph marker#arrow-prerequisite path{fill:#5584aa}.lesson-node rect{fill:var(--surface);stroke:var(--line);stroke-width:1.5}.lesson-node:hover rect,.lesson-node:focus rect{stroke:var(--accent);stroke-width:3}.lesson-node text{fill:var(--ink);font-family:inherit}.lesson-node .node-date{font-size:10px;fill:var(--muted)}.lesson-node .node-title{font-size:12px;font-weight:600}.lesson-node:focus{outline:none}.graph-legend{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:11px;color:var(--muted);margin:0 0 12px}.graph-legend span:before{content:"";display:inline-block;width:17px;border-top:2px solid currentColor;vertical-align:middle;margin-right:6px}.graph-legend .legend-chrono:before{border-top-style:dashed;color:#989b92}.graph-legend .legend-repeat:before{color:var(--accent)}.graph-legend .legend-prerequisite:before{color:#5584aa}.graph-legend .legend-related:before{color:#898c84}.lesson-toc{margin:20px 0}.lesson-toc>strong{display:block;margin-bottom:8px}.lesson-toc>div{display:flex;flex-wrap:wrap;gap:6px 14px}.lesson-toc a{font-size:13px}.lesson-section{padding:0;border-top:1px solid var(--line)}.lesson-section summary{cursor:pointer;padding:12px 2px;font-size:16px;font-weight:600}.lesson-section>p,.lesson-section>.citations{padding:0 2px;white-space:pre-wrap}.quick-summary{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:2px 17px 14px;margin:18px 0}.quick-summary h2{margin-top:14px}.quick-summary p{margin:8px 0}.tag-list{display:flex;flex-wrap:wrap;gap:6px}.tag-list span{padding:3px 8px;background:var(--soft);border-radius:20px;font-size:11px;color:var(--muted)}
.card-review{display:grid;gap:2px;margin-top:9px;padding:8px 10px;border-left:3px solid #d49a3c;background:#fff6e7;color:#76541b;border-radius:0 6px 6px 0;font-size:11px;line-height:1.45}.card-review strong{font-size:10px;text-transform:uppercase;letter-spacing:.05em}.theme-dark .card-review{background:#3a3326;color:#e1bd74}
.annotation{margin:20px 0;padding:13px 16px;border-left:3px solid #6f8c9f;background:#eef4f7;border-radius:0 8px 8px 0}.annotation strong{font-size:13px}.annotation p{margin:5px 0;white-space:pre-wrap}.practice-attachments{margin-top:28px}.practice-attachment{margin:10px 0}.practice-attachment p{color:var(--muted)}.practice-attachment .button{display:inline-block;margin-right:9px}.theme-dark .annotation{background:#29343a}

.theme-dark .review-label{color:#e1bd74}
.lesson-neighbors{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:8px 18px;border-top:1px solid var(--line);padding-top:18px;margin-top:30px;align-items:start}.lesson-neighbors span{font-size:12px;color:var(--muted)}.lesson-neighbors a{min-width:0;overflow-wrap:anywhere}

.kanji-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.kanji-card{display:grid;grid-template-columns:80px minmax(0,1fr);gap:18px;align-items:start}
.kanji-symbol{display:flex;align-items:center;justify-content:center;min-height:90px;border-right:1px solid var(--line);padding-right:16px}
.kanji-symbol h3{font-size:52px;line-height:1.2;margin:0;letter-spacing:0;font-weight:500}
.kanji-symbol a{display:block;padding:8px 0}
.kanji-info{min-width:0;overflow-wrap:anywhere}
.result .kanji-meaning{font-size:15px;color:var(--ink);margin:0 0 10px}
.kanji-readings{margin:0 0 12px;font-size:13px}
.kanji-readings dt{color:var(--muted);font-size:11px;margin-top:8px}
.kanji-readings dd{margin:2px 0 0;color:var(--ink)}
@media(max-width:1100px){.kanji-grid{grid-template-columns:1fr}}
@media(max-width:760px){.filters label{min-width:0}.filters input,.filters select{min-width:0;width:100%}.kanji-card{grid-template-columns:70px minmax(0,1fr);gap:14px}.kanji-symbol{padding-right:12px}}

.grammar-card-heading{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 12px;margin:5px 0 8px}
.grammar-card-heading h3{margin:0}
.grammar-semantic{color:var(--muted);background:var(--soft);border-radius:6px;padding:2px 8px;font-size:12px;line-height:1.5}

.source-chips{margin-top:10px}
.source-chips a{display:inline-block;max-width:100%;padding:4px 9px;border-radius:6px;background:var(--soft);color:var(--ink);font-size:11px;line-height:1.5;text-decoration:none;overflow-wrap:anywhere}
.source-chips a:hover{color:var(--accent);text-decoration:underline}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.kana-help-open{background:none;color:var(--accent);padding:4px 0;font-size:12px;text-decoration:underline;text-underline-offset:3px}
.kana-help{color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:14px;width:min(680px,calc(100% - 28px));max-height:85vh;padding:22px;overflow:auto;box-shadow:var(--shadow)}
.kana-help::backdrop{background:rgba(20,22,20,.5)}
.kana-help-head{display:flex;justify-content:space-between;align-items:center;gap:10px}
.kana-help-head h2{margin:0;font-size:22px}.kana-help-close{padding:7px 12px;background:var(--paper);color:var(--ink)}
.kana-note{font-size:12px;color:var(--muted);line-height:1.6}
.kana-tabs{display:flex;gap:8px;margin:15px 0}.kana-tabs button{flex:1;background:var(--paper);color:var(--ink)}.kana-tabs button[aria-selected=true]{background:var(--ink);color:var(--button-text)}
.kana-help [hidden]{display:none}.kana-table{min-width:0;table-layout:fixed;width:100%;border-collapse:collapse;margin:0 0 20px}
.kana-table caption{text-align:left;font-size:14px;font-weight:600;margin-bottom:8px}.kana-table td{border:1px solid var(--line);padding:7px 4px;text-align:center;vertical-align:top}.kana-table td>span{display:block;font-size:25px;line-height:1.5}.kana-table small{display:block;color:var(--muted);font-size:12px;overflow-wrap:anywhere}
@media(max-width:760px){.kana-help{padding:15px}.kana-table td>span{font-size:22px}}

.kana-help[open]{display:flex;flex-direction:column;overflow:hidden}
.kana-help-head,.kana-tabs,.kana-help>p{flex-shrink:0}
.kana-help-panels{overflow:auto;min-height:0}

.subject-armenian .armenian-example{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:10px 0;padding:11px 14px;background:var(--surface);border:1px solid var(--line);border-radius:9px}
.subject-armenian .armenian-example p{margin:2px 0;white-space:pre-wrap;overflow-wrap:anywhere}
.subject-armenian [lang=hy]{font-family:inherit;line-height:1.8}
.subject-armenian .armenian-audio{padding:10px 13px;background:var(--soft);border-radius:8px}
.subject-armenian .armenian-exercise-list{display:grid;gap:10px}
.subject-armenian .armenian-exercise{display:grid;gap:7px}
.subject-armenian .armenian-exercise>p{margin:0}
.subject-armenian .armenian-option{display:flex;align-items:center;gap:7px;margin:8px 0}
.subject-armenian .armenian-answer-label{display:grid;gap:5px;max-width:600px}
.subject-armenian .armenian-answer-label input,.subject-armenian .armenian-answer-label textarea{width:100%}
.subject-armenian .armenian-feedback{min-height:1.4em;font-size:13px;font-weight:600}
.subject-armenian .armenian-feedback.is-correct{color:#287345}
.subject-armenian .armenian-feedback.is-incorrect{color:#a44b36}
.subject-armenian .armenian-vocabulary{min-width:0}
.subject-armenian .armenian-vocabulary td:first-child{font-size:18px;font-weight:600}
.subject-armenian .armenian-neighbors a{max-width:100%}
.subject-armenian .armenian-attribution{overflow-wrap:anywhere}
.subject-armenian .armenian-search{margin:18px 0}
@media(max-width:760px){.subject-armenian .armenian-example{grid-template-columns:1fr;gap:2px}.subject-armenian .armenian-neighbors{grid-template-columns:1fr 1fr}}

.armenian-section > p { white-space: pre-line; }
.armenian-example [lang="hy"], .armenian-vocabulary [lang="hy"] { font-size: 1.14em; line-height: 1.7; }
.armenian-video { margin: 1.5rem 0; }
.armenian-video-frame { aspect-ratio: 16 / 9; width: 100%; background: #111; border-radius: 12px; overflow: hidden; }
.armenian-video-frame iframe { display: block; width: 100%; height: 100%; border: 0; }
.armenian-transliteration-toggle { display:inline-block; margin:0 .25em; padding:2px 6px; font-size:.75rem; line-height:1.5; vertical-align:middle; background:var(--surface); color:var(--ink); border:1px solid var(--line); border-radius:6px; cursor:pointer; }
.armenian-transliteration-toggle:hover { background:var(--line); color:var(--ink); }
.armenian-transliteration-toggle:focus-visible { outline:2px solid currentColor; outline-offset:2px; }
.armenian-transliteration:not([hidden]) { display:block; margin:4px 0 8px; color:var(--muted); font-size:.9rem; line-height:1.6; overflow-wrap:anywhere; }

.subject-armenian .armenian-option { flex-wrap:wrap; }
.armenian-option > .armenian-transliteration:not([hidden]) { flex-basis:100%; }