:root{--teal:#156f68;--dark:#16343a;--ink:#1d3034;--line:#d7e0df;--bg:#f7f9f7;--warm:#fff9ed}*{box-sizing:border-box}body{font:16px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);margin:0}.top{background:#fff;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:12px max(20px,calc((100vw - 1080px)/2));gap:20px;flex-wrap:wrap}.brand{color:var(--teal);font-size:23px;font-weight:800;text-decoration:none}.brand span{font-size:17px;font-weight:600;margin-left:12px;color:var(--dark)}nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap}nav a{color:var(--dark);text-decoration:none;font-size:14px}nav form{margin:0}.navbtn{background:transparent;border:0;cursor:pointer}.wrap{max-width:1040px;margin:32px auto;padding:0 20px;min-height:70vh}h1{font-size:clamp(27px,4vw,38px);letter-spacing:-.035em;color:var(--dark);line-height:1.16}h2{margin-top:26px;font-size:22px}h3{margin:24px 0 9px;font-size:18px}.muted{color:#607374}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:16px}.card,.panel{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px;box-shadow:0 3px 16px #18282908;margin-bottom:12px}.card h3{margin:0}.card a{color:var(--teal);text-decoration:none}.small{font-size:13px}.badge{background:#e5f2ef;color:#21665e;border-radius:30px;padding:3px 10px;display:inline-block;font-size:12px}.draft{background:#fff4dc;color:#785a00}.ar{direction:rtl;text-align:right;font-family:"Amiri","Noto Naskh Arabic","Traditional Arabic",serif;font-size:clamp(25px,3vw,34px);line-height:1.9;unicode-bidi:isolate;white-space:pre-wrap}.example{background:#fcfcf6;border-right:4px solid #81a79c;border-radius:10px;padding:13px 17px;margin:14px 0}.paragraph{margin:10px 0;white-space:pre-wrap}.section{font-weight:700;color:var(--teal);margin:18px 0 7px}label{display:block;font-weight:600;margin:12px 0 5px}input[type=text],input[type=password]{width:100%;max-width:430px;border:1px solid #b9ccca;padding:11px;border-radius:8px;font:inherit}button,.button{background:var(--teal);color:white;border:0;border-radius:9px;padding:10px 15px;cursor:pointer;font:inherit;display:inline-block;text-decoration:none}button:hover,.button:hover{background:#0b5049}button:disabled{background:#899999;cursor:not-allowed}.alert{padding:13px;border-radius:9px;background:#fff2d6;border:1px solid #e5c994}.success{background:#e7f5ed;border-color:#93c4a9}.quiz .item{padding:15px 0;border-bottom:1px solid var(--line)}.quiz label{font-weight:normal;margin:6px 0}.quiz input{margin-right:10px}.stats{display:flex;gap:10px;flex-wrap:wrap}.stats .card{min-width:130px}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;background:white}th,td{text-align:left;border-bottom:1px solid var(--line);padding:10px;font-size:14px}.rtl-cell{text-align:right;direction:rtl;font-family:"Amiri","Noto Naskh Arabic",serif;font-size:22px}.inline{display:inline-block;margin:0}.inline button{font-size:13px}.danger{background:#985537}.footnote{font-size:13px;background:#f1f4f2;padding:8px;margin:8px 0}footer{text-align:center;padding:25px;color:#647b77;font-size:13px}@media(max-width:600px){.top{padding:14px}.brand span{display:block;margin-left:0}.wrap{margin-top:22px}.card,.panel{padding:15px}}

select{padding:11px;border:1px solid #b9ccca;border-radius:8px;background:white;max-width:95%;font:inherit}
/* Método Alif v1.0.8 — tipografía árabe legible en móviles y ordenadores.
   Fuente web Amiri y alternativas del sistema; la fuente remota necesita conexión. */
.ar,.rtl-cell,.brand{font-family:'Amiri','Noto Naskh Arabic','Noto Naskh Arabic UI','Traditional Arabic','Geeza Pro',Tahoma,serif;}
.ar{font-size:clamp(26px,3.5vw,38px);line-height:2.05;letter-spacing:0;white-space:pre-wrap;unicode-bidi:isolate;}
.rtl-cell{line-height:1.8;font-size:23px;}
.infobox{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px 20px;margin:0 0 14px;box-shadow:0 3px 16px #18282908}.infobox strong{color:var(--teal)}
.navbottom{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:10px;align-items:center;padding-top:18px;margin:35px 0 8px}.navbottom .right{margin-left:auto}.navbottom .button{max-width:50vw}
.action-row,.toolbar,.row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:17px 0}
input[type=search]{border:1px solid #b9ccca;border-radius:8px;padding:10px;min-width:190px;max-width:100%;font:inherit}
.progress-track{background:#e2efeb;height:9px;border-radius:20px;min-width:80px;overflow:hidden}.progress-track span{height:100%;display:block;background:#2e8d80}
.card-study{max-width:780px;margin:20px auto;text-align:center}.card-study .ar{text-align:center;font-size:clamp(38px,5vw,58px)}.cardface{padding:30px 15px;font-size:clamp(22px,3vw,30px)}
.card-study details{background:#ecf7f4;border-radius:12px;padding:12px;margin-bottom:12px}.card-study summary{cursor:pointer;color:#156f68;font-weight:600}
.card-study .row{justify-content:center}.card-study form{display:inline-block}.small{font-size:13px;color:#647b77}
@media(max-width:620px){.navbottom .button{font-size:12px;padding:8px 10px}.card-study .cardface{padding:18px 8px}}

/* V1.0.9: la ficha individual se despliega dentro de Administración. */
.panel summary{cursor:pointer;color:#176d63;font-weight:650;padding:5px 0}.panel[open] summary{border-bottom:1px solid #d5e1de;margin-bottom:12px;padding-bottom:12px}

/* V1.0.11: listado compacto vertical, contraste y retroalimentación. */
.lesson-list{display:flex;flex-direction:column;gap:9px;max-width:960px}
.lesson-row{padding:13px 20px;margin:0;box-shadow:none}
.lesson-row h3{margin:2px 0;font-size:17px;line-height:1.35}
.quiz-feedback{border-left:6px solid #21875c}.quiz-feedback.answer-wrong{border-left-color:#c25241}
.compact-form{padding:12px 0;border-top:1px solid var(--line);margin-top:12px}
.delete-confirm{border-top:2px dashed #ad6c55}.danger{background:#a43627;color:#fff}
.theme-toggle{background:transparent;border:1px solid var(--line);color:var(--dark);font-size:13px;padding:7px 11px}
[data-theme="dark"]{--teal:#6fdbc7;--dark:#e5f7f3;--ink:#e1ecea;--line:#385957;--bg:#142726;--warm:#283b39;color-scheme:dark}
[data-theme="dark"] .top,[data-theme="dark"] .card,[data-theme="dark"] .panel,[data-theme="dark"] .infobox,[data-theme="dark"] table{background:#213937;color:var(--ink)}
[data-theme="dark"] nav a,[data-theme="dark"] .brand span,[data-theme="dark"] .theme-toggle{color:#e0f1ee}
[data-theme="dark"] .muted,[data-theme="dark"] .small,[data-theme="dark"] footer{color:#afc7c2}
[data-theme="dark"] .example,[data-theme="dark"] .footnote,[data-theme="dark"] .card-study details{background:#29433f;color:#e1ecea}
[data-theme="dark"] .badge,[data-theme="dark"] .alert,[data-theme="dark"] .success{background:#33504a;color:#fff;border-color:#527268}
[data-theme="dark"] input,[data-theme="dark"] select,[data-theme="dark"] textarea{background:#233d3b;color:#fff;border-color:#63817b}
[data-theme="dark"] .button.secondary,[data-theme="dark"] button.secondary{background:#305650;color:#eaf9f5;border:1px solid #53766f}
[data-theme="dark"] .progress-track{background:#3a5a54}
[data-theme="dark"] .quiz-feedback.answer-wrong{border-left-color:#ff9a85}
[data-theme="dark"] .quiz-feedback.answer-right{border-left-color:#70da9e}

/* V1.0.11: listado compacto vertical, contraste y retroalimentación. */
.lesson-list{display:flex;flex-direction:column;gap:9px;max-width:960px}
.lesson-row{padding:13px 20px;margin:0;box-shadow:none}
.lesson-row h3{margin:2px 0;font-size:17px;line-height:1.35}
.quiz-feedback{border-left:6px solid #21875c}.quiz-feedback.answer-wrong{border-left-color:#c25241}
.compact-form{padding:12px 0;border-top:1px solid var(--line);margin-top:12px}
.delete-confirm{border-top:2px dashed #ad6c55}.danger{background:#a43627;color:#fff}
.theme-toggle{background:transparent;border:1px solid var(--line);color:var(--dark);font-size:13px;padding:7px 11px}
[data-theme="dark"]{--teal:#6fdbc7;--dark:#e5f7f3;--ink:#e1ecea;--line:#385957;--bg:#142726;--warm:#283b39;color-scheme:dark}
[data-theme="dark"] .top,[data-theme="dark"] .card,[data-theme="dark"] .panel,[data-theme="dark"] .infobox,[data-theme="dark"] table{background:#213937;color:var(--ink)}
[data-theme="dark"] nav a,[data-theme="dark"] .brand span,[data-theme="dark"] .theme-toggle{color:#e0f1ee}
[data-theme="dark"] .muted,[data-theme="dark"] .small,[data-theme="dark"] footer{color:#afc7c2}
[data-theme="dark"] .example,[data-theme="dark"] .footnote,[data-theme="dark"] .card-study details{background:#29433f;color:#e1ecea}
[data-theme="dark"] .badge,[data-theme="dark"] .alert,[data-theme="dark"] .success{background:#33504a;color:#fff;border-color:#527268}
[data-theme="dark"] input,[data-theme="dark"] select,[data-theme="dark"] textarea{background:#233d3b;color:#fff;border-color:#63817b}
[data-theme="dark"] .button.secondary,[data-theme="dark"] button.secondary{background:#305650;color:#eaf9f5;border:1px solid #53766f}
[data-theme="dark"] .progress-track{background:#3a5a54}
[data-theme="dark"] .quiz-feedback.answer-wrong{border-left-color:#ff9a85}
[data-theme="dark"] .quiz-feedback.answer-right{border-left-color:#70da9e}