@font-face{font-family:'Estedad';src:url('../fonts/estedad/Estedad-Variable.woff2') format('woff2-variations');font-style:normal;font-weight:100 900;font-display:swap}
:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#667085;--line:#e4e7ec;--primary:#2357d9;--primary-dark:#1742ad;--danger:#b42318;--success:#067647;--radius:16px;--shadow:0 8px 30px rgba(16,24,40,.06);--font-sans:'Estedad',Tahoma,Arial,sans-serif}
*{box-sizing:border-box}html{font-family:var(--font-sans);font-synthesis:none;background:var(--bg);color:var(--text);scroll-behavior:smooth}body{margin:0;min-height:100vh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,calc((100% - 1120px)/2));position:sticky;top:0;z-index:20}.brand{font-size:1.15rem;font-weight:800}.user-menu{display:flex;gap:14px;align-items:center;font-size:.92rem}.user-menu form{margin:0}.link-button{border:0;background:none;color:var(--primary);cursor:pointer}.container{width:min(1120px,calc(100% - 28px));margin:34px auto;flex:1}.footer{text-align:center;color:var(--muted);font-size:.85rem;padding:28px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.auth-card{width:min(430px,100%);margin:8vh auto}.stack{display:grid;gap:14px}.stack label{font-weight:700}.stack input[type=text],.stack input[type=password]{width:100%;border:1px solid #cfd4dc;border-radius:10px;padding:13px;background:#fff}.stack input:focus{outline:3px solid rgba(35,87,217,.15);border-color:var(--primary)}.muted{color:var(--muted);line-height:1.9}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:11px 18px;border:1px solid transparent;cursor:pointer;font-weight:700}.button.primary{background:var(--primary);color:#fff}.button.primary:hover{background:var(--primary-dark)}.button.secondary{background:#fff;border-color:var(--line)}.button.large{padding:15px 24px;font-size:1rem}.page-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:22px}.page-head h1,.hero h1{margin-top:0}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.course-card{display:flex;flex-direction:column}.course-card h2{font-size:1.15rem;margin-top:0}.course-card p{color:var(--muted);line-height:1.9;flex:1}.section{margin-top:30px}.list{display:grid;gap:10px}.list-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:17px 20px;display:flex;justify-content:space-between;gap:15px;align-items:center}.list-item:hover{border-color:#a9bce9}.list-item strong{color:var(--primary);font-size:.9rem}.back{display:inline-block;color:var(--primary);margin-bottom:16px}.hero p{line-height:2}.exam-box{margin-top:28px;display:flex;justify-content:space-between;align-items:center;gap:20px}.audio-card{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:12px}.audio-card div{display:grid;gap:7px}.audio-card small{color:var(--muted)}audio{width:min(520px,60%)}.reader-head{display:flex;justify-content:space-between;align-items:center}.protected-reader{user-select:none}.watermark-banner{background:#fff5d6;border:1px solid #f5d68a;border-radius:10px;padding:12px;margin-bottom:18px;color:#704d00}.pdf-page{display:block;width:min(900px,100%);height:auto;margin:0 auto 18px;border-radius:6px;box-shadow:0 5px 18px rgba(0,0,0,.12);pointer-events:auto}.alert{border-radius:10px;padding:13px 16px;margin-bottom:16px}.alert.error,.alert.warning{background:#fff1f0;color:var(--danger);border:1px solid #f7c7c3}.alert.success{background:#ecfdf3;color:var(--success);border:1px solid #abefc6}.empty{text-align:center;color:var(--muted);padding:50px 25px}.exam-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.timer{text-align:center;background:#f1f5ff;border-radius:12px;padding:12px 20px;min-width:140px}.timer span{display:block;font-size:.8rem;color:var(--muted)}.timer strong{font-size:1.55rem;color:var(--primary);direction:ltr}.question{margin:0}.question legend{font-weight:800;padding:0 8px;line-height:1.8}.question ul{list-style:none;padding:0;display:grid;gap:10px}.question label{display:flex;gap:10px;align-items:flex-start;background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:13px;cursor:pointer}.question input{margin-top:4px}.field-error{color:var(--danger)}.result-card{text-align:center;width:min(650px,100%);margin:8vh auto}.result-card.passed{border-top:6px solid var(--success)}.result-card.failed{border-top:6px solid var(--danger)}.score{font-size:3rem;font-weight:900;margin:22px}.actions,.certificate-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.certificate{background:#fff;padding:28px;max-width:1000px;margin:18px auto}.certificate-border{border:4px double #243b67;padding:14px}.certificate-inner{border:1px solid #9da9bf;min-height:620px;padding:70px 50px;text-align:center;display:flex;flex-direction:column;justify-content:center;align-items:center}.certificate-mark{font-size:1.2rem;letter-spacing:3px}.certificate h1{font-size:2.4rem;margin:22px 0;color:#243b67}.certificate h2{font-size:2rem;margin:15px 0}.certificate p{line-height:2;font-size:1.05rem}.certificate-meta{width:100%;display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:45px;padding-top:20px}.verify-line{font-size:.82rem!important;color:var(--muted)}
@media(max-width:820px){.grid{grid-template-columns:1fr}.container{margin-top:22px}.audio-card,.exam-box,.exam-top{align-items:stretch;flex-direction:column}audio{width:100%}.timer{width:100%}.certificate{padding:8px}.certificate-inner{padding:40px 16px;min-height:540px}.certificate h1{font-size:1.6rem}.certificate h2{font-size:1.45rem}.certificate-meta{flex-direction:column;gap:12px}.list-item{align-items:flex-start;flex-direction:column}.topbar{padding:0 14px}.user-menu span{display:none}}
@media print{body{background:#fff}.topbar,.footer,.no-print{display:none!important}.container{width:100%;margin:0}.certificate{max-width:none;margin:0;padding:0;border:0}.certificate-inner{min-height:95vh}.certificate-border{border-color:#000}.certificate-actions{display:none}}