:root{--ink:#182e2d;--muted:#61716e;--green:#1b514c;--line:#dce5e2;--paper:#fff;--bg:#f5f8f7;--noun:#1c6392;--verb:#247445;--particle:#a1530c;--pronoun:#7545a3;--det:#69727b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}header{max-width:1180px;margin:auto;padding:27px 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}a{color:var(--green)}.brand{text-decoration:none;display:flex;align-items:center;gap:12px;font-size:19px;font-weight:650;line-height:1.3}.brand small{display:block;letter-spacing:2px;font-size:11px;font-weight:500;margin-top:5px;color:var(--muted)}.brand-icon{background:var(--green);color:white;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-family:serif;font-size:33px;font-weight:400}.header-note{color:var(--muted);font-size:14px}main{max-width:1060px;margin:auto;padding:38px 30px 20px}.eyebrow{letter-spacing:1.8px;font-size:12px;font-weight:700;color:var(--green)}h1{font-size:36px;line-height:1.3;font-weight:620;margin:10px 0 12px;letter-spacing:-1px}h2{font-size:23px;line-height:1.4;margin:4px 0 8px;font-weight:600}p{margin:8px 0}.intro>p{color:var(--muted);max-width:660px;margin-bottom:26px}.input-panel{background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 30px #223e3610;overflow:hidden}.input-label{display:flex;justify-content:space-between;align-items:center;padding:18px 24px 0;gap:12px}.input-label label{font-size:14px;font-weight:600}button{font:inherit;cursor:pointer;min-height:44px;transition:background .15s,box-shadow .15s}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid #3c9d8f;outline-offset:3px}.text-btn{border:0;background:none;color:var(--muted);font-size:14px;padding:0 5px}textarea{display:block;width:calc(100% - 48px);margin:10px 24px;min-height:140px;resize:vertical;border:0;background:#fafcfb;border-radius:8px;padding:16px;color:var(--ink);font:32px/2 "Traditional Arabic","Noto Naskh Arabic","Times New Roman",serif}textarea::placeholder{font:18px/3 system-ui;color:#84938e}.input-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:4px 24px 23px}.input-bottom>span{font-size:14px;color:var(--muted)}.primary{border:0;border-radius:10px;background:var(--green);color:white;padding:12px 22px;font-size:16px;font-weight:550;display:flex;gap:22px;align-items:center;justify-content:center}.primary:hover{background:#28675f}.primary:disabled{opacity:.65;cursor:wait}.examples{display:flex;align-items:center;gap:9px;flex-wrap:wrap;padding:14px 24px;border-top:1px solid var(--line);background:#fcfdfc}.examples>span{font-size:14px;color:var(--muted);margin-right:5px}.examples button{border:1px solid var(--line);border-radius:8px;padding:5px 12px;min-height:36px;background:white;font-size:14px;color:var(--green)}.examples button:hover{background:#eaf2ef}#status{font-size:14px;color:var(--muted);padding:12px 3px;min-height:40px}#status.error{color:#a13232}#matches{padding:18px;background:white;border:1px solid var(--line);border-radius:12px;margin:0 0 20px}#matches button{display:block;text-align:start;background:#f7f9f8;border:1px solid var(--line);border-radius:8px;padding:10px 15px;width:100%;margin-top:9px;color:var(--ink)}.match-ar{font:24px/2 "Traditional Arabic",serif;display:block;text-align:right}.guide{display:flex;gap:25px;align-items:center;padding:22px 8px;margin-top:6px}.guide-symbol{font:50px/1.8 "Traditional Arabic",serif;color:var(--green);min-width:80px;text-align:center;border-right:1px solid var(--line);padding-right:25px}.guide h2{font-size:19px}.guide p{font-size:15px}.muted{color:var(--muted)}.section-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:10px}.counter{border:1px solid var(--line);border-radius:30px;padding:5px 13px;font-size:14px;white-space:nowrap}.legend{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;margin:17px 0 8px}.legend span:before{content:"";display:inline-block;width:9px;height:9px;border-radius:3px;background:currentColor;margin-right:6px}.noun{color:var(--noun)}.verb{color:var(--verb)}.particle{color:var(--particle)}.pronoun{color:var(--pronoun)}.det{color:var(--det)}.help{font-size:14px;color:var(--muted);margin-bottom:16px}.words{display:flex;flex-wrap:wrap;gap:10px;align-items:stretch}.word{position:relative;flex:1 0 130px;max-width:220px;border:1px solid var(--line);border-top:3px solid currentColor;background:white;border-radius:12px;padding:12px 12px 10px;display:flex;align-items:center;flex-direction:column;gap:5px}.word:hover{box-shadow:0 4px 14px #223e3614}.word[aria-pressed=true]{outline:2px solid var(--green);outline-offset:2px;background:#f0f7f3}.word-ar{font:34px/1.9 "Traditional Arabic","Noto Naskh Arabic","Times New Roman",serif;white-space:nowrap}.word-tr{color:var(--ink);font-size:15px;line-height:1.4;direction:ltr}.word-label{font-size:12px;direction:ltr}.verse-divider{flex-basis:100%;font-size:13px;color:var(--muted);padding:10px 0 1px}.detail{margin-top:25px;padding:26px;background:white;border:1px solid var(--line);border-radius:16px;box-shadow:0 7px 24px #243f3410}.detail-heading{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:20px}.detail-heading h2{font-size:23px}.selected-ar{font:44px/1.7 "Traditional Arabic",serif;align-self:center;text-align:right}.segments{display:flex;gap:12px;flex-wrap:wrap;margin:14px 0 22px}.segment{flex:1;min-width:125px;border-radius:10px;background:color-mix(in srgb,currentColor 6%,white);padding:14px;text-align:center;border-bottom:3px solid currentColor}.seg-ar{display:block;font:32px/1.9 "Traditional Arabic",serif}.seg-kind{display:block;font-size:13px;margin:3px 0 6px;direction:ltr}.seg-meaning{font-size:16px;color:var(--ink);direction:ltr}.seg-explain{font-size:14px;direction:ltr;color:var(--muted)}.explanation-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.lesson{background:#f6f9f8;padding:18px;border-radius:10px}.lesson h3{font-size:15px;margin:0 0 8px;color:var(--green)}.lesson p{font-size:15px}.features{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}.feature{background:white;border:1px solid var(--line);padding:4px 8px;border-radius:5px;font-size:13px}details{border-top:1px solid var(--line);margin-top:18px;padding-top:15px}summary{cursor:pointer;font-size:15px;font-weight:550;color:var(--green)}.reading-note{padding:22px 2px}.reading-note strong{font-size:15px}.reading-note p{font-size:14px;color:var(--muted);max-width:870px}footer{border-top:1px solid var(--line);margin-top:28px;padding-top:17px;color:var(--muted);font-size:12px}footer a{color:var(--muted)}[hidden]{display:none!important}@media(max-width:600px){header{padding:18px 20px}.header-note{display:none}main{padding:26px 16px 18px}h1{font-size:29px}.intro>p{font-size:15px;margin-bottom:20px}.input-label{padding:12px 16px 0}.input-bottom{flex-direction:column;align-items:stretch;padding:4px 16px 16px;gap:12px}.input-bottom>span{font-size:13px}textarea{width:calc(100% - 32px);margin:8px 16px;min-height:145px}.primary{width:100%}.examples{padding:13px 16px;gap:7px}.examples>span{width:100%}.examples button{min-height:44px}.guide{gap:15px;padding:10px 2px}.guide-symbol{min-width:55px;padding-right:12px;font-size:40px}.guide p{font-size:14px}.guide h2{font-size:17px}.word{flex-basis:calc(33.333% - 10px);max-width:none;padding:8px 6px}.word-ar{font-size:29px}.word-tr{font-size:14px}.word-label{font-size:12px}.legend{gap:10px 16px;font-size:13px}.detail{padding:19px 16px}.explanation-grid{grid-template-columns:1fr;gap:12px}.selected-ar{font-size:35px}.detail-heading h2{font-size:20px}.segment{min-width:110px}h2{font-size:21px}.counter{font-size:12px}.eyebrow{font-size:11px;letter-spacing:1.2px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.group-label{display:block;font-size:12px;font-weight:400;color:var(--muted);margin:3px 0}.phrase-note{background:#eef5f2;border-radius:9px;padding:14px 18px}.phrase-note>span{display:block;font:29px/1.9 "Traditional Arabic",serif;text-align:right}.phrase-note p{font-size:14px}.detail-heading>div{min-width:0}.selected-ar{overflow-wrap:anywhere}.word{overflow-wrap:anywhere}

/* Whole-sentence teaching workspace */
.teacher-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:10px 0 20px}.verse-choice{display:flex;gap:8px;align-items:center;font-size:14px}.verse-choice select{font:inherit;padding:8px;border:1px solid var(--line);border-radius:7px;background:white;color:var(--ink)}.sentence{padding:25px 22px;text-align:right;background:white;border:1px solid var(--line);border-radius:15px;border-top:4px solid var(--green);font:38px/2.5 "Traditional Arabic","Noto Naskh Arabic",serif;word-spacing:4px}.sentence-word{display:inline;color:var(--ink);font:inherit;line-height:inherit;border:0;border-radius:5px;padding:0 5px;margin:0 2px;background:none;white-space:normal;box-decoration-break:clone;-webkit-box-decoration-break:clone;cursor:pointer;vertical-align:baseline}.sentence-word:hover{background:#edf4f1}.sentence-focus{background:#dcefe8;box-shadow:inset 0 -3px #327d66;color:#123b30}.sentence-help{font-size:14px;color:var(--muted);margin:10px 2px 16px}.lesson-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 12px}#step-position{margin-left:auto;font-size:14px;color:var(--muted)}.step-button{background:white;color:var(--green);border:1px solid #becfc8;border-radius:8px;padding:8px 15px;font-size:15px;font-weight:550}.step-button:disabled{opacity:.45;cursor:default}.step-card{padding:25px;background:white;border-radius:13px;border:1px solid var(--line);min-height:210px}.step-card h3{font-size:25px;line-height:1.45;margin:8px 0 14px;letter-spacing:-.4px}.step-card>p{font-size:18px;line-height:1.9;max-width:850px}.lesson-origin{font-size:12px;letter-spacing:.3px;color:var(--muted)}.because{padding:13px 17px;background:#eef5f1;border-left:3px solid #3a856a;border-radius:3px;margin-top:20px;font-size:16px}.syntax-blocks{display:flex;gap:12px;flex-wrap:wrap;margin:17px 0}.syntax-block{padding:10px 16px;background:#f7f9f8;border-bottom:3px solid currentColor;border-radius:6px;flex:1;text-align:center;min-width:150px}.syntax-block>span{font:29px/1.9 "Traditional Arabic",serif;display:block}.syntax-block small{display:block;font:14px/1.5 system-ui;color:var(--ink)}.comparison{margin-top:18px;border-top:1px solid var(--line);padding-top:16px}.comparison-label{font-size:12px;color:var(--muted)}.comparison>div{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}.comparison>div>span{background:#f7f9f8;border-radius:6px;padding:13px;font-size:18px;line-height:1.8}.step-footer{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;margin-top:23px;font-size:12px;color:var(--muted)}.terms dl{display:grid;grid-template-columns:130px 1fr;gap:10px;margin-bottom:0}.terms dt{font-weight:600}.terms dd{margin:0}.reveal p{font-size:18px;background:#eef5f1;padding:14px;border-radius:7px}.teacher-actions{display:flex;align-items:center;gap:17px;margin:18px 0}.teacher-actions>span{font-size:14px;color:var(--muted);flex:1}.teacher-actions .primary{white-space:nowrap}.ask-panel{background:#eef3f1;padding:18px;border-radius:12px;margin-bottom:35px}.ask-panel label{font-weight:600;font-size:15px;display:block;margin-bottom:9px}.ask-panel form{display:flex;gap:10px}.ask-panel input{flex:1;min-width:0;background:white;border:1px solid var(--line);border-radius:8px;padding:12px;font:16px/1.5 system-ui}.ask-panel #ask-answer{font-size:14px;margin-top:9px;white-space:pre-wrap}#words{gap:6px}#words .word{flex-basis:100px;padding:5px;box-shadow:none;max-width:155px}#words .word-ar{font-size:26px}#words .word-tr{font-size:13px}.section-top{opacity:.9}.intro h1{font-size:32px}.input-panel textarea{min-height:105px}#teacher{scroll-margin-top:10px}#detail{scroll-margin-top:10px}@media(max-width:600px){.sentence{font-size:31px;line-height:2.5;padding:17px 12px}.sentence-word{padding:0 3px;margin:0 1px}.teacher-top{margin-top:6px}.teacher-top h2{font-size:23px}.step-card{padding:19px 16px}.step-card h3{font-size:22px}.step-card>p{font-size:17px;line-height:1.85}.comparison>div{grid-template-columns:1fr}.teacher-actions{flex-direction:column;align-items:stretch;gap:9px}.ask-panel form{flex-wrap:wrap}.ask-panel input{flex-basis:100%}.ask-panel button{width:100%}.terms dl{grid-template-columns:1fr;gap:3px}.terms dd{margin-bottom:10px}.syntax-block{min-width:120px}.lesson-controls{gap:6px}.lesson-controls button{font-size:14px;padding:8px 10px}.intro h1{font-size:28px}#words .word{max-width:none;flex-basis:28%}.because{font-size:15px}}