/* QAC CURSOS / FASE 3A: IDENTIDAD DEL ALUMNO
   Azul tinta + índigo / 2026-10-30
   Importante: se carga DESPUÉS de Lux, modern.css y learning.css.
   Alcance estricto: body.qac-student (alumno y pantalla de acceso).
   Sin JavaScript, librerías nuevas ni cambios de seguridad. */
body.qac-student {
  --academy-ink:#14233d;
  --academy-deep:#111e36;
  --academy-navy:#203557;
  --academy-primary:#315bea;
  --academy-hover:#2448c9;
  --academy-soft:#edf2ff;
  --academy-ice:#f5f7fd;
  --academy-border:#e1e7f2;
  --academy-muted:#65748e;
  --academy-line:#d3dbeb;
  --academy-white:#fff;
  --academy-shadow:0 12px 35px rgba(19,38,77,.055);
  --learn-deep:var(--academy-deep);
  --learn-teal:var(--academy-primary);
  --learn-green:var(--academy-primary);
  --learn-soft:var(--academy-ice);
  --learn-line:var(--academy-border);
  --learn-muted:var(--academy-muted);
  --qac-accent:var(--academy-primary);
  --qac-bg:var(--academy-ice);
  --qac-ink:var(--academy-ink);
  --qac-muted:var(--academy-muted);
  --qac-border:var(--academy-border);
  background:var(--academy-ice);
  color:var(--academy-ink);
  font-family:Inter,"Segoe UI",-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  font-size:15px;
  line-height:1.6;
}
body.qac-student *, body.qac-student *::before, body.qac-student *::after { box-sizing:border-box; }
body.qac-student h1,body.qac-student h2,body.qac-student h3,body.qac-student h4 { color:var(--academy-ink);font-weight:800;letter-spacing:-.035em; }
body.qac-student a { color:var(--academy-primary); }
body.qac-student a:hover { color:var(--academy-hover); }
body.qac-student .container-narrow{max-width:1230px!important;}
body.qac-student main.container { margin-top:38px!important;padding-bottom:56px; }
body.qac-student .top-hair{height:3px!important;background:linear-gradient(90deg,#315bea 10%,#99a9ff 58%,#d2d9ff 100%)!important;}
body.qac-student .navbar-qac {
  background:linear-gradient(115deg,#111e36,#1b2f54)!important;
  border-bottom:1px solid rgba(255,255,255,.075);
  box-shadow:0 8px 28px rgba(16,33,68,.16)!important;
  padding:14px 16px;
}
body.qac-student .navbar-qac .navbar-brand { color:#fff!important;font-weight:820;font-size:1.15rem;letter-spacing:-.035em; }
body.qac-student .navbar-qac .brand-badge,
body.qac-student .qac-footer .brand-badge{
  width:39px;height:39px;border-radius:12px;background:#4265f2!important;
  color:#fff;box-shadow:0 4px 16px rgba(75,111,255,.18);
  font-size:.76rem;letter-spacing:-.03em;
}
body.qac-student .navbar-qac .nav-link {color:#cdd7ef!important;opacity:1;letter-spacing:0;text-transform:none;font-size:.91rem;font-weight:680;border-radius:11px;padding:.65rem 1.1rem!important;}
body.qac-student .navbar-qac .nav-link:hover,
body.qac-student .navbar-qac .nav-link.active {color:#fff!important;background:rgba(255,255,255,.1)!important;}
body.qac-student .navbar-qac .navbar-text{color:#dfe7fa!important;font-size:.9rem;}
body.qac-student .navbar-qac .qac-avatar{background:#354b77;border:1px solid rgba(255,255,255,.18);width:35px;height:35px;}
body.qac-student .navbar-qac .btn-outline-light {border-color:rgba(255,255,255,.28);border-radius:10px;color:#fff!important;background:rgba(255,255,255,.055);font-weight:700;text-transform:none;letter-spacing:0;}
body.qac-student .navbar-qac .btn-outline-light:hover{border-color:#d3dcf5;background:rgba(255,255,255,.14);}
body.qac-student .navbar-dark .navbar-toggler{border-color:rgba(255,255,255,.22);border-radius:10px;}
body.qac-student .qac-footer{background:#111d34!important;color:#b6c3dc;}
body.qac-student .qac-footer .footer-top{background:linear-gradient(90deg,#315bea,#849aff)!important;height:3px;}
body.qac-student .qac-footer a{color:#dce5ff!important;}
body.qac-student .qac-footer a:hover{color:#fff!important;}
body.qac-student .to-top{border:1px solid #42577d;background:#1d3154!important;color:white!important;z-index:20;}
body.qac-student .card,
body.qac-student .player-card,
body.qac-student .course-hero,
body.qac-student .material-card,
body.qac-student .comments-card{border:1px solid var(--academy-border)!important;border-radius:20px!important;box-shadow:var(--academy-shadow);}
body.qac-student .btn {font-size:.84rem;font-weight:750;letter-spacing:0;text-transform:none;border-radius:11px;box-shadow:none;min-height:39px;}
body.qac-student .btn-primary,
body.qac-student .btn-success {background:var(--academy-primary)!important;border-color:var(--academy-primary)!important;color:#fff!important;}
body.qac-student .btn-primary:hover,
body.qac-student .btn-success:hover {background:var(--academy-hover)!important;border-color:var(--academy-hover)!important;transform:translateY(-1px);}
body.qac-student .btn-outline-success {color:var(--academy-primary)!important;border-color:#bdcafa!important;background:#fff!important;}
body.qac-student .btn-outline-success:hover{color:#fff!important;border-color:var(--academy-primary)!important;background:var(--academy-primary)!important;}
body.qac-student .btn-outline-secondary{color:#3d506f;border-color:#cdd6e6;background:#fff;}
body.qac-student .btn-outline-secondary:hover{background:#eff3fd;color:#203e80;border-color:#aebde3;}
body.qac-student .btn-dark{background:#23375c;border-color:#23375c;color:#fff!important;}
body.qac-student .btn-dark:hover{background:#1a2b49;}
body.qac-student .badge-success {background:#e5edff!important;color:#2d4cae!important;}
body.qac-student .badge-info {background:#e7eefe!important;color:#2e4c9e!important;}
body.qac-student .badge-light {background:#edf1f9;color:#4b6083;}
body.qac-student .form-control,body.qac-student .custom-select {border-radius:12px;border-color:#d2dbea;min-height:46px;background-color:#fff;color:#192c49;}
body.qac-student .form-control::placeholder{color:#8796ab;opacity:1;}
body.qac-student .form-control:focus,body.qac-student .custom-select:focus{background:#fff;border-color:#6f8cf6;box-shadow:0 0 0 4px rgba(59,99,235,.11);}
body.qac-student :is(a,button,input,textarea,select):focus-visible{outline:3px solid #6688fa;outline-offset:3px;}
body.qac-student .progress{background:#e2e8f6;border-radius:999px;}
body.qac-student .progress-bar,
body.qac-student .progress-bar.bg-success{background:linear-gradient(90deg,#315bea,#7790ff)!important;}

/* BIENVENIDA / DASHBOARD */
body.qac-student .learn-page {color:var(--academy-ink);}
body.qac-student .learn-welcome{
  min-height:198px; padding:33px 39px; margin-bottom:20px;
  background:radial-gradient(circle at 94% 10%,rgba(83,121,239,.11),transparent 35%),linear-gradient(120deg,#fff 40%,#f2f5ff);
  border:1px solid #e0e8f6;box-shadow:var(--academy-shadow);border-radius:24px;
}
body.qac-student .learn-eyebrow{font-size:.73rem;color:#375adb;letter-spacing:.13em;font-weight:850;}
body.qac-student .learn-online-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#5274f5;vertical-align:middle;margin:-2px 7px 0 0;box-shadow:0 0 0 4px #e0e8ff;}
body.qac-student .learn-welcome h1{font-size:clamp(1.8rem,3.25vw,2.65rem);font-weight:850;line-height:1.15;letter-spacing:-.055em;color:#182a47;margin:0 0 11px;}
body.qac-student .learn-welcome p:last-child{color:#63728b;font-size:.99rem;max-width:620px;}
body.qac-student .learn-welcome-mark {width:156px;height:144px;position:relative;display:grid;place-items:center;font-size:inherit;letter-spacing:0;}
body.qac-student .learn-welcome-orbit {position:absolute;width:132px;height:132px;border:1px solid #c6d4ff;border-radius:50%;transform:rotate(-24deg);}
body.qac-student .learn-welcome-orbit::before {content:"";position:absolute;left:14px;top:7px;width:18px;height:18px;background:#9caeff;border-radius:50%;}
body.qac-student .learn-welcome-logo {display:grid;place-items:center;width:88px;height:88px;background:linear-gradient(145deg,#315bea,#708cff);box-shadow:0 14px 30px rgba(55,90,217,.2);border-radius:28px;transform:rotate(-10deg);font-size:3.15rem;font-weight:900;letter-spacing:-.1em;color:#fff;}
body.qac-student .learn-welcome-spark{position:absolute;right:5px;top:2px;font-size:1.5rem;color:#8b9af8;}
body.qac-student .learn-stats{gap:16px;margin-bottom:21px;}
body.qac-student .learn-stat{background:#fff;border:1px solid var(--academy-border);border-radius:18px;padding:22px 25px 20px;box-shadow:var(--academy-shadow);position:relative;overflow:hidden;}
body.qac-student .learn-stat::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:100%;background:linear-gradient(90deg,#3b60e7,transparent 70%);opacity:.55;}
body.qac-student .learn-stat-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:7px;}
body.qac-student .learn-stat-top span:first-child{font-size:.72rem;letter-spacing:.09em;color:#728098;font-weight:800;}
body.qac-student .learn-stat-icon{display:grid;place-items:center;background:#edf1ff;color:#4766d5;font-size:1.35rem;border-radius:11px;height:37px;width:37px;font-weight:750;}
body.qac-student .learn-stat strong{font-size:2.15rem;color:#172c51;font-weight:900;line-height:1.15;letter-spacing:-.055em;margin-bottom:3px;}
body.qac-student .learn-stat small{font-size:.8rem;color:#74839a;}
body.qac-student .learn-feature{
  min-height:255px; margin-bottom:38px;
  border:1px solid #273e6b;
  background:linear-gradient(113deg,#142440,#233b68 67%,#2b4580);
  border-radius:24px;box-shadow:0 16px 37px rgba(20,39,80,.15);position:relative;
}
body.qac-student .learn-feature-content {padding:35px 40px;position:relative;z-index:2;}
body.qac-student .learn-label-light{display:inline-flex;gap:8px;align-items:center;color:#b8c8ff;font-size:.72rem;letter-spacing:.11em;margin-bottom:13px;}
body.qac-student .learn-label-light span{color:#93aaff;font-size:.65rem;}
body.qac-student .learn-feature h2{font-size:clamp(1.45rem,2.5vw,2.12rem);line-height:1.22;max-width:670px;color:#fff;letter-spacing:-.04em;}
body.qac-student .learn-feature p{color:#c7d4ec;margin-bottom:21px;}
body.qac-student .learn-feature p strong{color:#fff;}
body.qac-student .learn-feature-progress {max-width:470px;}
body.qac-student .learn-feature-progress>div:first-child{color:#becbe5;}
body.qac-student .learn-feature-progress strong{color:#fff;}
body.qac-student .learn-bar{background:#e7ecf6;border-radius:999px;height:8px;}
body.qac-student .learn-bar>span{background:linear-gradient(90deg,#4268f2,#8e9eff);height:100%;border-radius:999px;}
body.qac-student .learn-feature .learn-bar{background:#405272;}
body.qac-student .learn-feature .learn-bar>span{background:linear-gradient(90deg,#8ba1ff,#c0caff);}
body.qac-student .learn-feature-button{display:inline-flex;align-items:center;gap:22px;min-height:44px;padding:.72rem 1.15rem!important;border:0!important;background:#fff!important;color:#2441a8!important;border-radius:12px!important;box-shadow:0 5px 17px rgba(10,20,50,.12);}
body.qac-student .learn-feature-button span{font-size:1.1rem;line-height:1;}
body.qac-student .learn-feature-button:hover{background:#e9eeff!important;transform:translateY(-2px);}
body.qac-student .learn-feature-art{position:relative;min-height:100%;background:radial-gradient(circle at 48% 45%,rgba(121,151,251,.21),transparent 60%);border-left:1px solid rgba(255,255,255,.085);overflow:hidden;}
body.qac-student .learn-feature-orbit{position:relative;display:grid;place-items:center;width:155px;height:155px;border-radius:50%;border:1px solid rgba(191,207,255,.27);box-shadow:0 0 0 26px rgba(153,173,255,.075),0 0 0 56px rgba(153,173,255,.055);}
body.qac-student .learn-feature-orbit span{display:grid;place-items:center;border-radius:19px;background:linear-gradient(145deg,#c3cfff,#7e96ff);color:#192e5b;font-size:1.9rem;width:80px;height:70px;letter-spacing:0;padding-left:4px;box-shadow:0 14px 25px rgba(9,18,49,.16);}
body.qac-student .learn-feature-art small{font-size:.62rem;letter-spacing:.19em;color:#c7d4ff;font-weight:750;margin-top:20px;}
body.qac-student .learn-library{margin-top:3px;}
body.qac-student .learn-library-header{margin-bottom:21px;align-items:center;}
body.qac-student .learn-library-header h2{color:#172841;font-size:1.9rem;}
body.qac-student .learn-library-header h2 span{background:#e8eeff;color:#3858ba;font-size:.75rem;border-radius:9px;min-width:30px;height:30px;}
body.qac-student .learn-search input{min-height:48px;padding-left:47px;border:1px solid #d8e0ed;border-radius:13px;box-shadow:0 4px 14px rgba(22,40,70,.025);}
body.qac-student .learn-search span{left:15px;color:#7d91b2;font-size:1.45rem;}
body.qac-student .learn-filters{gap:9px;margin-bottom:8px;}
body.qac-student .learn-filter{background:#fff;color:#536481;border:1px solid #dfe5ef;border-radius:12px;font-size:.82rem;padding:10px 17px;font-weight:750;}
body.qac-student .learn-filter:hover{background:#f1f5ff;color:#254aa8;border-color:#c4d1f3;}
body.qac-student .learn-filter.is-selected{background:#2f56d8!important;border-color:#2f56d8!important;color:white!important;box-shadow:0 5px 12px rgba(55,89,214,.16);}
body.qac-student .learn-filter:focus-visible{outline:3px solid #8da7fb;}
body.qac-student .learn-results{color:#7e8ba0;font-size:.76rem;margin-bottom:12px;}
body.qac-student .learn-grid{gap:20px;}
body.qac-student .learn-course{border:1px solid #e0e6f1;background:#fff;border-radius:20px;box-shadow:0 5px 22px rgba(20,40,80,.052);}
body.qac-student .learn-course:hover{box-shadow:0 20px 38px rgba(21,42,83,.115);transform:translateY(-4px);border-color:#c5d1ea;}
body.qac-student .learn-course-cover{height:164px;align-items:stretch;display:block;padding:18px 21px;background:linear-gradient(125deg,#233a68,#3657ac)!important;position:relative;isolation:isolate;}
body.qac-student .learn-course:nth-child(3n + 2) .learn-course-cover{background:linear-gradient(120deg,#26365b,#5666b2)!important;}
body.qac-student .learn-course:nth-child(3n) .learn-course-cover{background:linear-gradient(120deg,#152f55,#3275a0)!important;}
body.qac-student .learn-course-cover::after{content:"";position:absolute;border:1px solid rgba(255,255,255,.11);border-radius:50%;width:260px;height:260px;right:-60px;top:-83px;z-index:-1;}
body.qac-student .learn-cover-brand{left:21px;bottom:17px;font-size:.67rem;letter-spacing:.19em;font-weight:850;color:#e3eafe;}
body.qac-student .learn-cover-visual{position:absolute;right:31px;top:18px;width:140px;height:132px;display:grid;place-items:center;}
body.qac-student .learn-cover-ring{position:absolute;inset:6px;border:1px solid rgba(255,255,255,.17);border-radius:50%;box-shadow:0 0 0 21px rgba(255,255,255,.045);}
body.qac-student .learn-cover-play{display:grid;place-items:center;width:67px;height:67px;padding-left:5px;color:white;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.29);border-radius:21px;font-size:1.6rem;box-shadow:0 12px 26px rgba(0,0,0,.07);}
body.qac-student .learn-course-state{top:19px;left:20px;background:#fff!important;color:#24457d!important;border-radius:8px;padding:7px 10px;font-size:.66rem;letter-spacing:.01em;}
body.qac-student .learn-course-state.state-expired{background:#fff0f0!important;color:#a24352!important;}
body.qac-student .learn-course-state.state-finished{background:#eaf1ff!important;color:#2d55ae!important;}
body.qac-student .learn-course-content{padding:22px 23px 24px;}
body.qac-student .learn-course-type{color:#5977c2;font-size:.62rem;letter-spacing:.1em;font-weight:850;margin:0 0 8px;}
body.qac-student .learn-course-type span{margin:0 5px;color:#c1c9d7;}
body.qac-student .learn-course h3{font-size:1.1rem;color:#1a2d4d;font-weight:800;line-height:1.37;min-height:3em;}
body.qac-student .learn-course-desc{color:#748199;font-size:.86rem;line-height:1.6;min-height:4.7em;margin:0 0 24px;}
body.qac-student .learn-progress-line{color:#6b7a94;font-size:.78rem;margin-bottom:9px;}
body.qac-student .learn-progress-line strong{color:#3158d5;}
body.qac-student .learn-course .learn-bar{height:7px;margin-bottom:22px;}
body.qac-student .learn-course-footer{border-top:1px solid #ebeff6;padding-top:19px;}
body.qac-student .learn-course-footer small{font-size:.73rem;color:#7c8aa0;}
body.qac-student .learn-course-footer .btn{border-radius:10px;font-size:.8rem;padding:.48rem .87rem;}
body.qac-student .learn-locked{color:#a24352;}
body.qac-student .learn-empty{background:#fff;border:1px dashed #b9c9e6;border-radius:20px;}
body.qac-student .learn-empty>span{color:#7692da;}

/* AULA: HEREDA LAS FUNCIONES DEL REPRODUCTOR EXISTENTE */
body.qac-student .lesson-page{color:var(--academy-ink);}
body.qac-student .lesson-top-link{margin-bottom:19px;display:flex;align-items:center;gap:9px;flex-wrap:wrap;}
body.qac-student .lesson-crumb{font-size:.83rem;color:#73839f;}
body.qac-student .lesson-top-link a.lesson-crumb{color:#3459ca;font-weight:750;text-decoration:none;}
body.qac-student .lesson-top-link a.lesson-crumb:hover{text-decoration:underline;}
body.qac-student .course-hero{overflow:hidden;background:#fff;border-radius:21px!important;margin-bottom:24px!important;}
body.qac-student .course-hero .hd{background:linear-gradient(110deg,#f7f9ff,#edf3ff)!important;border-bottom:1px solid #e0e7f5;padding:26px 31px!important;gap:20px;}
body.qac-student .lesson-heading-eyebrow{display:block;margin-bottom:8px;font-size:.7rem;color:#5574d6;font-weight:850;letter-spacing:.14em;}
body.qac-student .course-hero .hd h1{color:#1a2d4e;font-size:clamp(1.25rem,2.4vw,1.8rem);font-weight:850;margin-bottom:9px!important;line-height:1.25;}
body.qac-student .course-hero .bd{padding:19px 31px!important;color:#62728e;}
body.qac-student .course-hero .bd p{line-height:1.65;}
body.qac-student .course-hero .chip{background:#e5ecff;color:#2b4eae;border-color:#cbd8fc;font-weight:750;border-radius:8px;}
body.qac-student .course-hero .badge-success{padding:7px 11px;font-size:.72rem;}
body.qac-student .lesson-progress-number{color:#315bea;font-weight:900;}
body.qac-student .lesson-toggle{background:#edf2ff;color:#2f4eaa;border:1px solid #cdd8f8;border-radius:13px;padding:14px 18px;font-weight:800;}
body.qac-student .lesson-toggle:hover{background:#e4ebff;}
body.qac-student .lesson-page .sidebar-sticky{top:107px;}
body.qac-student .lesson-sidebar .card{border-radius:20px!important;box-shadow:0 7px 26px rgba(26,46,84,.052);}
body.qac-student .lesson-sidebar .card-body{padding:22px!important;}
body.qac-student .lesson-sidebar .card-body h2{color:#1f3354;font-weight:830;font-size:.96rem;margin-bottom:18px!important;letter-spacing:-.02em;}
body.qac-student .lesson-side-icon{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#edf2ff;color:#3158d5;font-size:1.25rem;margin-right:10px;font-weight:700;}
body.qac-student .lesson-sidebar .badge-light{border-radius:8px;background:#edf2ff;color:#4562b3;padding:5px 8px;}
body.qac-student .lesson-sidebar .list-group{gap:7px;}
body.qac-student .lesson-sidebar .list-group-item{background:#fff;border:1px solid #edf0f7!important;border-radius:12px!important;min-height:62px;gap:8px;padding:10px 12px!important;}
body.qac-student .lesson-sidebar .list-group-item:hover{background:#f7f9ff;border-color:#cfdbfc!important;}
body.qac-student .lesson-sidebar .list-group-item.active{background:#eef3ff!important;border:1px solid #bccdfb!important;}
body.qac-student .lesson-sidebar .list-group-item>a:first-child{display:flex;align-items:center;gap:11px;min-width:0;line-height:1.35;color:#3d5174!important;text-decoration:none;font-size:.84rem;font-weight:720;}
body.qac-student .lesson-sidebar .list-group-item.active>a:first-child{color:#2247a4!important;font-weight:820;}
body.qac-student .lesson-index-number{display:inline-grid;flex-shrink:0;place-items:center;width:34px;height:34px;border-radius:10px;border:1px solid #e1e7f3;background:#f5f7fc;color:#7488a8;font-size:.73rem;letter-spacing:0;font-weight:800;}
body.qac-student .lesson-sidebar .active .lesson-index-number{background:#315bea;border-color:#315bea;color:#fff;}
body.qac-student .lesson-index-text{flex:1;min-width:0;overflow-wrap:anywhere;}
body.qac-student .lesson-sidebar .list-group-item.active .badge-light{background:#dbe5ff;color:#3658ae;}
body.qac-student .lesson-sidebar .list-group-item .badge-success{background:#dfeaff!important;color:#3154a6!important;}
body.qac-student .lesson-page .player-card{overflow:hidden;border:1px solid #dce5f2!important;border-radius:21px!important;box-shadow:0 10px 27px rgba(18,37,76,.07);}
body.qac-student .lesson-page .player-head{padding:19px 23px!important;background:#fff!important;border-bottom:1px solid #e4e9f3;gap:16px;align-items:center;}
body.qac-student .lesson-page .player-title{font-size:1.12rem;font-weight:820;color:#192c4b;letter-spacing:-.03em;line-height:1.4;}
body.qac-student .lesson-page .lesson-counter{color:#4d6dd1;font-size:.69rem;letter-spacing:.11em;margin-bottom:5px;}
body.qac-student .lesson-page .lesson-counter span{font-size:.5rem;vertical-align:2px;margin-right:4px;color:#6480f1;}
body.qac-student .lesson-page .player-actions{gap:8px;}
body.qac-student .lesson-page .player-actions .btn{white-space:normal;line-height:1.32;padding:.5rem .76rem;}
body.qac-student .lesson-page #markDoneBtn{border-color:#b5c6f5!important;color:#2a51c5!important;background:#f6f8ff!important;}
body.qac-student .lesson-page #markDoneBtn:hover{background:#315bea!important;border-color:#315bea!important;color:#fff!important;}
body.qac-student .lesson-page #markDoneBtn:disabled{background:#e6eeff!important;color:#3557aa!important;opacity:1;}
body.qac-student .lesson-page .player-card .card-body{background:#0d1729!important;padding:13px!important;}
body.qac-student .lesson-page #qacProtectedPlayer{border-radius:12px;overflow:hidden;background:#050914;}
body.qac-student .lesson-page #qacProtectedPlayer:fullscreen{border-radius:0;}
body.qac-student .lesson-page .player-foot{background:#fff!important;border-top:1px solid #e5eaf3;padding:16px 21px!important;gap:12px;}
body.qac-student .lesson-page .player-foot label{color:#364b69;font-size:.82rem;}
body.qac-student .lesson-page .hint{font-size:.77rem;color:#71809b;max-width:440px;}
body.qac-student .lesson-page .lesson-completion-message{color:#345bc8;font-weight:750;}
body.qac-student .lesson-page .lesson-resume{background:#e9efff;color:#254591;border:1px solid #d3defd;border-radius:12px;}
body.qac-student .lesson-page .lesson-resume button{color:#2449b8;}
body.qac-student .lesson-page .material-card .card-body,
body.qac-student .lesson-page .comments-card .card-body{padding:25px!important;}
body.qac-student .lesson-page .comments-card h2,
body.qac-student .lesson-page .material-card h2{font-size:1.02rem;font-weight:820;}
body.qac-student .lesson-page #comment-form label{color:#314563;font-weight:750;}
body.qac-student .lesson-page .qac-reply-link{font-size:.81rem;color:#365bd4;font-weight:750;}
body.qac-student .lesson-page #comments{scroll-margin-top:110px;}
body.qac-student .lesson-page .badge.bg-success{background:#e3ebff!important;color:#3152ad!important;}

/* INICIO DE SESIÓN (COMPARTIDO CON ADMIN: solo apariencia; funcionamiento intacto) */
body.qac-student .auth-bg{min-height:calc(100vh - 210px);padding:32px 12px;background:radial-gradient(circle at 0% 5%,#e3eaff,transparent 42%),radial-gradient(circle at 100% 100%,#e6edff,transparent 42%),#f6f8ff;}
body.qac-student .auth-wrap{max-width:1050px;min-height:540px;grid-template-columns:1.05fr 1fr;border:1px solid #d9e3f3;border-radius:25px;box-shadow:0 30px 70px rgba(18,37,80,.105);}
body.qac-student .auth-brand{background:radial-gradient(circle at 10% 8%,rgba(122,153,255,.2),transparent 35%),linear-gradient(145deg,#172a4d,#254581);color:#fff;padding:54px 45px;overflow:hidden;}
body.qac-student .auth-brand::after{content:"";position:absolute;width:250px;height:250px;border:1px solid rgba(255,255,255,.13);border-radius:50%;right:-75px;bottom:-95px;box-shadow:0 0 0 40px rgba(255,255,255,.027),0 0 0 90px rgba(255,255,255,.025);pointer-events:none;}
body.qac-student .auth-brand .logo-badge{width:60px;height:60px;border-radius:18px;background:linear-gradient(145deg,#476ff8,#8ea4ff);box-shadow:0 14px 30px rgba(6,15,42,.12);font-size:1.1rem;font-weight:800;}
body.qac-student .auth-eyebrow{font-size:.71rem;letter-spacing:.15em;color:#afc4ff;font-weight:850;margin-top:35px;}
body.qac-student .auth-brand h1{font-size:clamp(2rem,3vw,2.6rem);letter-spacing:-.06em;line-height:1.18;color:#fff;margin:13px 0 15px;max-width:430px;}
body.qac-student .auth-brand p{color:#d0dcf4;font-size:.99rem;line-height:1.8;max-width:420px;}
body.qac-student .auth-highlights{margin-top:37px;gap:13px;}
body.qac-student .auth-chip{border-radius:9px;background:rgba(255,255,255,.095);border-color:rgba(255,255,255,.14);color:#e6ecfa;font-size:.81rem;padding:11px 13px;}
body.qac-student .auth-card{background:#fff!important;display:flex;flex-direction:column;justify-content:center;padding:44px 48px;color:var(--academy-ink);border:0;backdrop-filter:none;}
body.qac-student .auth-overline{color:#4766d0;letter-spacing:.14em;font-size:.73rem;font-weight:850;margin-bottom:12px;}
body.qac-student .auth-title{font-size:clamp(1.55rem,2.3vw,2rem);line-height:1.22;color:#192d4c;font-weight:850;letter-spacing:-.05em;margin-bottom:10px;}
body.qac-student .auth-sub{color:#6e7b94;font-size:.91rem;margin-bottom:30px;line-height:1.7;}
body.qac-student .auth-card .form-label{color:#3b4b66;font-size:.82rem;font-weight:750;}
body.qac-student .auth-card .form-control{border:1px solid #d3dcec;background:#fff!important;color:#1a2d4b!important;min-height:50px;border-radius:11px!important;}
body.qac-student .auth-card .form-control:focus{border-color:#6988fa!important;box-shadow:0 0 0 4px rgba(53,97,237,.12)!important;}
body.qac-student .auth-card .btn-primary{min-height:49px;border-radius:12px!important;margin-top:5px;font-weight:800;}
body.qac-student .auth-card .btn-outline-primary{background:#edf2ff;border-color:#d6dff9;color:#2e52c3;}
body.qac-student .auth-card .mini-note{color:#8591a7;margin-top:18px;line-height:1.55;}
body.qac-student .auth-card .text-muted{color:#71809b!important;}
body.qac-student .auth-card .btn-outline-light{background:#fff;color:#3c537a;border:1px solid #cdd6ea;}

@media(max-width:1100px){
  body.qac-student .learn-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  body.qac-student .lesson-page .player-head{flex-direction:column;align-items:flex-start;}
}
@media(max-width:991px){
  body.qac-student .navbar-qac{padding:10px 13px;}
  body.qac-student .navbar-qac .navbar-collapse{padding-top:12px;}
  body.qac-student .lesson-page .sidebar-sticky{position:static;}
  body.qac-student .lesson-sidebar.is-collapsed{display:none;}
  body.qac-student .auth-wrap{grid-template-columns:1fr;}
  body.qac-student .auth-brand{padding:32px;}
  body.qac-student .auth-eyebrow{margin-top:16px;}
  body.qac-student .auth-highlights{margin-top:18px;display:flex;flex-wrap:wrap;}
}
@media(max-width:767px){
  body.qac-student main.container{margin-top:23px!important;padding-bottom:34px;}
  body.qac-student .learn-welcome{padding:26px;min-height:0;}
  body.qac-student .learn-welcome-mark{display:none;}
  body.qac-student .learn-stats{gap:10px;}
  body.qac-student .learn-stat{padding:17px 16px;}
  body.qac-student .learn-stat strong{font-size:1.9rem;}
  body.qac-student .learn-stat-icon{width:31px;height:31px;font-size:1.1rem;}
  body.qac-student .learn-feature{grid-template-columns:1fr;}
  body.qac-student .learn-feature-content{padding:28px 25px;}
  body.qac-student .learn-feature-art{display:none;}
  body.qac-student .learn-library-header{align-items:stretch;}
  body.qac-student .learn-search{flex:1 1 100%;min-width:0;}
  body.qac-student .learn-grid{grid-template-columns:1fr;}
  body.qac-student .learn-course-cover{height:150px;}
  body.qac-student .learn-course h3{min-height:0;}
  body.qac-student .course-hero .hd{padding:24px!important;}
  body.qac-student .course-hero .bd{padding:18px 24px!important;}
  body.qac-student .lesson-page .player-actions{width:100%;}
  body.qac-student .lesson-page .player-head{padding:16px!important;}
  body.qac-student .auth-card{padding:32px 25px;}
}
@media(max-width:520px){
  body.qac-student .learn-stats{grid-template-columns:repeat(3,minmax(0,1fr));}
  body.qac-student .learn-stat{padding:13px 10px;}
  body.qac-student .learn-stat-top span:first-child{font-size:.61rem;letter-spacing:0;}
  body.qac-student .learn-stat small{font-size:.67rem;}
  body.qac-student .learn-stat-icon{display:none;}
  body.qac-student .learn-welcome h1{font-size:1.9rem;}
  body.qac-student .learn-library-header h2{font-size:1.5rem;}
  body.qac-student .learn-filters{gap:7px;}
  body.qac-student .learn-filter{padding:9px 12px;}
  body.qac-student .learn-course-cover{height:136px;}
  body.qac-student .learn-feature-content{padding:24px 22px;}
  body.qac-student .course-hero .hd>div{width:100%;min-width:0!important;}
  body.qac-student .course-hero .hd .d-flex{justify-content:flex-start!important;flex-wrap:wrap;gap:9px;}
  body.qac-student .lesson-page .player-actions .btn-group{display:flex;flex-wrap:wrap;gap:5px;}
  body.qac-student .lesson-page .player-actions .btn-group>.btn{border-radius:9px!important;}
  body.qac-student .auth-brand{padding:28px 25px 40px;}
  body.qac-student .auth-brand h1{font-size:2.05rem;}
  body.qac-student .auth-card{padding:29px 22px;}
}
@media(prefers-reduced-motion:reduce){
  body.qac-student *,body.qac-student *::before,body.qac-student *::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important;}
}