:root{
    --red:#e3262e;
    --red-dark:#b91e24;
    --black:#111114;
    --text:#1e1e22;
    --muted:#6c6d73;
    --soft:#f5f5f6;
    --line:#e7e7e9;
    --white:#fff;
    --radius:22px;
    --shadow:0 18px 50px rgba(15,15,18,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--text);background:#fff}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button,input{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);z-index:20;border-bottom:1px solid #eee}
.nav-wrap{height:92px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand img{width:245px;height:72px;object-fit:contain}
nav{display:flex;align-items:center;gap:24px;font-size:14px;font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;padding:14px 20px;font-weight:800;cursor:pointer;transition:.2s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dark)}
.btn-outline{border:1px solid #d8d8db}
.btn-light{background:#f3f3f4}
.btn-dark{background:var(--black);color:#fff}
.btn-white{background:#fff;color:#111}
.full{width:100%}
.hero{padding:82px 0;background:linear-gradient(145deg,#fff 0%,#fff 58%,#fff3f3 100%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:1.8px;font-weight:900;color:var(--red)}
.hero h1{font-size:clamp(44px,6vw,78px);line-height:.98;letter-spacing:-3px;margin:18px 0 24px;max-width:780px}
.hero-text{font-size:21px;line-height:1.6;color:var(--muted);max-width:670px}
.hero-actions{display:flex;gap:12px;margin:32px 0}
.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:44px}
.mini-stats div{padding-top:16px;border-top:2px solid #18181b}
.mini-stats strong,.mini-stats span{display:block}
.mini-stats strong{font-size:12px;color:var(--red);margin-bottom:7px}
.mini-stats span{font-size:13px;color:var(--muted)}
.hero-card{background:#fff;border:1px solid #ececee;border-radius:28px;padding:28px;box-shadow:var(--shadow)}
.hero-card-top{font-size:13px;font-weight:800;color:var(--muted);display:flex;align-items:center;gap:9px}
.live-dot{width:9px;height:9px;border-radius:50%;background:var(--red);box-shadow:0 0 0 5px rgba(227,38,46,.12)}
.hero-card h3{font-size:15px;margin:32px 0 12px}
.class-preview{background:var(--black);color:#fff;border-radius:20px;padding:30px}
.badge{display:inline-block;background:var(--red);color:#fff;padding:6px 9px;border-radius:8px;font-size:10px;font-weight:900;letter-spacing:1px}
.class-preview h4{font-size:28px;margin:17px 0 8px}
.class-preview p{color:#b8b8bd}
.class-preview .btn{margin-top:15px;background:#fff;color:#111}
.recorded-line{display:flex;justify-content:space-between;gap:20px;margin-top:22px;padding-top:20px;border-top:1px solid #eee;font-size:13px}
.recorded-line span{color:var(--muted)}
.section{padding:90px 0}
.section-soft{background:var(--soft)}
.section h2,.cta h2{font-size:clamp(34px,5vw,54px);letter-spacing:-2px;margin:12px 0 18px}
.section-lead{font-size:18px;line-height:1.65;color:var(--muted);max-width:760px}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
.feature-card{border:1px solid var(--line);border-radius:20px;padding:30px}
.number{font-size:13px;font-weight:900;color:var(--red)}
.feature-card h3{font-size:23px;margin:42px 0 10px}
.feature-card p{line-height:1.6;color:var(--muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.steps{display:grid;gap:15px}
.steps div{background:#fff;border-radius:16px;padding:18px;display:flex;gap:15px;align-items:center}
.steps b{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--red);color:#fff}
.steps span{display:flex;flex-direction:column;gap:3px;color:var(--muted)}
.steps strong{color:#111}
.teacher-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
.teacher-placeholder{height:310px;background:linear-gradient(160deg,#17171a,#343438);border-radius:22px;position:relative}
.teacher-placeholder span{position:absolute;left:24px;bottom:24px;color:#fff;font-weight:800}
.helper{font-size:13px;color:var(--muted);margin-top:14px}
.cta{padding:72px 0;background:var(--red);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta p{opacity:.85}
.light{color:#fff;opacity:.75}
footer{padding:32px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:13px}
.footer-inner img{width:185px;height:64px;object-fit:contain}

/* Auth */
.auth-page{min-height:100vh;background:var(--soft);display:grid;place-items:center;padding:40px;position:relative}
.auth-brand{position:absolute;left:38px;top:28px}
.auth-brand img{width:230px;height:82px;object-fit:contain}
.auth-card{width:min(470px,100%);background:#fff;border:1px solid var(--line);border-radius:25px;padding:42px;box-shadow:var(--shadow)}
.auth-card h1{font-size:39px;letter-spacing:-1.5px;margin:12px 0}
.auth-card>p{color:var(--muted);line-height:1.5;margin-bottom:28px}
.auth-card label{display:block;font-size:13px;font-weight:800;margin:15px 0 8px}
.auth-card input[type=email],.auth-card input[type=password]{width:100%;padding:15px;border:1px solid #d9d9dc;border-radius:11px;outline:0}
.auth-card input:focus{border-color:var(--red)}
.form-row{display:flex;align-items:center;justify-content:space-between;font-size:12px;margin:14px 0 22px}
.check{display:flex!important;align-items:center;gap:7px;margin:0!important}
.auth-card small{display:block;margin-top:18px;color:#9a9aa0;line-height:1.4}

/* App shell */
.app-shell{min-height:100vh;background:#f6f6f7;display:grid;grid-template-columns:240px 1fr}
.sidebar{background:#111114;color:#fff;padding:24px 18px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.sidebar-brand{background:#fff;border-radius:14px;padding:8px 14px;margin-bottom:34px}
.sidebar-brand img{height:68px;width:100%;object-fit:contain}
.sidebar nav{display:grid;gap:7px}
.sidebar nav a{padding:13px 14px;border-radius:10px;color:#c6c6ca}
.sidebar nav a:hover,.sidebar nav a.active{background:#242428;color:#fff}
.logout{margin-top:auto;padding:13px 14px;color:#c6c6ca}
.app-main{padding:35px 42px}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}
.topbar h1{margin:3px 0;font-size:31px;letter-spacing:-1px}
.muted{color:var(--muted);font-size:13px}
.avatar,.class-user{width:43px;height:43px;border-radius:50%;display:grid;place-items:center;background:var(--red);color:#fff;font-size:12px;font-weight:900}
.student-hero{background:linear-gradient(120deg,#d71f27,#f34c52);color:#fff;border-radius:24px;padding:34px;display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:24px}
.student-hero h2{font-size:34px;letter-spacing:-1px;margin:14px 0 8px}
.student-hero p{opacity:.8}
.dashboard-grid{display:grid;grid-template-columns:1.6fr .8fr;gap:22px}
.panel{background:#fff;border:1px solid #e8e8ea;border-radius:20px;padding:26px}
.panel h2{margin:8px 0 20px;font-size:25px}
.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}
.panel-heading>a{color:var(--red);font-size:13px;font-weight:800}
.lesson-list{display:grid}
.lesson-row{display:grid;grid-template-columns:54px 1fr auto;align-items:center;gap:14px;padding:15px 0;border-top:1px solid #eee}
.lesson-thumb{width:54px;height:43px;background:#161619;border-radius:9px;color:#fff;display:grid;place-items:center}
.lesson-row strong,.lesson-row span{display:block}
.lesson-row div span,.lesson-row>span{font-size:12px;color:var(--muted);margin-top:5px}
.agenda-item{display:flex;gap:15px;align-items:center;padding:15px 0;border-top:1px solid #eee}
.agenda-item b{font-size:24px;color:var(--red)}
.agenda-item span{display:grid;color:var(--muted);font-size:12px;gap:4px}
.agenda-item strong{color:#111;font-size:14px}

/* Class */
.class-page{min-height:100vh;background:#f6f6f7}
.class-header{height:76px;background:#fff;border-bottom:1px solid #e9e9eb;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 40px}
.class-header img{width:190px;height:62px;object-fit:contain}
.back-link{font-size:13px;font-weight:800}
.class-user{justify-self:end}
.class-container{width:min(1100px,calc(100% - 40px));margin:45px auto}
.class-title{margin-bottom:20px}
.class-title h1{font-size:42px;letter-spacing:-1.5px;margin:12px 0 5px}
.class-title p{color:var(--muted)}
.video-frame{background:#111;border-radius:22px;overflow:hidden;aspect-ratio:16/9;box-shadow:var(--shadow)}
.video-placeholder{width:100%;height:100%;display:grid;place-items:center;align-content:center;color:#fff;text-align:center;gap:12px}
.video-placeholder span{color:#a6a6ab;font-size:13px}
.play-big{width:74px;height:74px;border-radius:50%;display:grid;place-items:center;background:var(--red);font-size:25px;padding-left:5px}
.class-info-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:20px;margin-top:22px}
.class-info-grid p{line-height:1.7;color:var(--muted)}
.material-link{display:block;border-top:1px solid #eee;padding:14px 0;font-size:13px;font-weight:700}

/* Admin */
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:22px}
.stat-card{background:#fff;border:1px solid #e8e8ea;border-radius:18px;padding:24px}
.stat-card span,.stat-card small{display:block;color:var(--muted)}
.stat-card strong{display:block;font-size:36px;margin:8px 0}
.admin-table{display:grid}
.admin-table>div{display:grid;grid-template-columns:1fr .6fr auto;align-items:center;gap:15px;border-top:1px solid #eee;padding:17px 0}
.admin-table span{color:var(--muted);font-size:13px}
.admin-table em{font-size:10px;font-style:normal;background:#fff1f1;color:var(--red);padding:6px 8px;border-radius:7px;font-weight:900}
.admin-shortcut{display:block;padding:14px;border:1px solid #ececee;border-radius:11px;margin-top:10px;font-size:13px;font-weight:800}
.admin-shortcut:hover{border-color:var(--red);color:var(--red)}

@media(max-width:900px){
    .nav-wrap nav>a:not(.btn){display:none}
    .hero-grid,.split,.dashboard-grid,.class-info-grid{grid-template-columns:1fr}
    .features-grid,.teacher-grid{grid-template-columns:1fr}
    .mini-stats{grid-template-columns:1fr}
    .hero{padding:50px 0}
    .hero h1{letter-spacing:-2px}
    .cta-inner{align-items:flex-start;flex-direction:column}
    .app-shell{grid-template-columns:1fr}
    .sidebar{position:static;height:auto;display:block}
    .sidebar nav{grid-template-columns:repeat(2,1fr)}
    .logout{display:block;margin-top:10px}
    .app-main{padding:24px 18px}
    .class-header{padding:0 16px;grid-template-columns:1fr auto}
    .class-header img{display:none}
}
@media(max-width:600px){
    .container{width:min(100% - 28px,1180px)}
    .nav-wrap{height:72px}
    .brand img{width:190px}
    .hero h1{font-size:45px}
    .hero-text{font-size:17px}
    .hero-actions{display:grid}
    .section{padding:64px 0}
    .footer-inner{align-items:flex-start;flex-direction:column;gap:15px}
    .auth-page{padding:100px 16px 30px}
    .auth-brand{left:20px;top:18px}
    .auth-card{padding:28px 22px}
    .student-hero{align-items:flex-start;flex-direction:column}
    .stats-grid{grid-template-columns:1fr}
    .admin-table>div{grid-template-columns:1fr}
}


/* =========================================================
   HERO COM BANNER DA ESTUDANTE
   ========================================================= */
.hero-inspire{
    padding:54px 0 34px;
    background:
        radial-gradient(circle at 76% 44%, rgba(227,38,46,.07) 0, rgba(227,38,46,.07) 18%, transparent 18.3%),
        linear-gradient(180deg,#fff 0%,#fff 100%);
    overflow:hidden;
}
.hero-grid-banner{
    grid-template-columns: .92fr 1.08fr;
    gap:40px;
    min-height:470px;
}
.hero-copy{
    align-self:center;
    padding:18px 0 30px;
}
.hero-copy h1{
    font-size:clamp(48px,5.2vw,76px);
    line-height:1.02;
    letter-spacing:-3px;
    margin:18px 0 22px;
    max-width:690px;
}
.hero-copy h1 span{
    color:var(--red);
}
.hero-copy .hero-text{
    max-width:590px;
    font-size:19px;
    line-height:1.65;
}
.hero-student{
    min-height:470px;
    display:flex;
    align-items:flex-end;
    justify-content:center;
    position:relative;
}
.hero-student::before{
    content:"";
    position:absolute;
    width:410px;
    height:410px;
    border:28px solid rgba(227,38,46,.08);
    border-radius:50%;
    z-index:0;
    top:28px;
    left:50%;
    transform:translateX(-50%);
}
.hero-student img{
    position:relative;
    z-index:1;
    width:100%;
    height:470px;
    object-fit:cover;
    object-position:center 42%;
    border-radius:28px;
    box-shadow:0 24px 60px rgba(15,15,18,.10);
}
.hero-feature-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:16px;
    margin-top:18px;
}
.hero-feature{
    display:flex;
    gap:18px;
    align-items:flex-start;
    border:1px solid var(--line);
    border-radius:20px;
    padding:22px 24px;
    background:#fff;
}
.feature-icon{
    min-width:46px;
    height:46px;
    border-radius:50%;
    background:var(--red);
    color:#fff;
    display:grid;
    place-items:center;
    font-size:12px;
    font-weight:900;
}
.hero-feature h3{
    margin:3px 0 8px;
    font-size:20px;
}
.hero-feature p{
    margin:0;
    color:var(--muted);
    font-size:14px;
    line-height:1.5;
}

@media(max-width:900px){
    .hero-grid-banner{
        grid-template-columns:1fr;
        gap:18px;
    }
    .hero-copy{
        padding-bottom:8px;
    }
    .hero-student{
        min-height:auto;
    }
    .hero-student img{
        height:auto;
        max-height:520px;
        object-fit:cover;
        object-position:center top;
    }
    .hero-student::before{
        width:300px;
        height:300px;
        top:20px;
    }
    .hero-feature-grid{
        grid-template-columns:1fr;
    }
}
@media(max-width:600px){
    .hero-inspire{
        padding-top:32px;
    }
    .hero-copy h1{
        font-size:44px;
        letter-spacing:-2px;
    }
    .hero-copy .hero-text{
        font-size:16px;
    }
    .hero-student img{
        border-radius:20px;
        max-height:none;
    }
}


/* =========================================================
   AJUSTE FINAL HERO - TEXTO + ESTUDANTE LADO A LADO
   ========================================================= */
.hero-inspire{
    padding:54px 0 38px !important;
    overflow:hidden;
    background:#fff !important;
}
.hero-grid-banner{
    display:grid !important;
    grid-template-columns:minmax(0, .9fr) minmax(460px, 1.1fr) !important;
    gap:54px !important;
    align-items:center !important;
    min-height:500px !important;
}
.hero-copy{
    padding:20px 0 !important;
}
.hero-copy h1{
    max-width:680px !important;
    margin:16px 0 22px !important;
}
.hero-copy h1 span{
    display:block;
    color:var(--red);
}
.hero-student{
    min-height:500px !important;
    width:100%;
    display:flex !important;
    align-items:center !important;
    justify-content:center !important;
}
.hero-student::before{
    width:390px !important;
    height:390px !important;
}
.hero-student img{
    width:100% !important;
    height:500px !important;
    object-fit:cover !important;
    object-position:center 40% !important;
    border-radius:26px !important;
}
.hero-feature-grid{
    margin-top:34px !important;
    margin-bottom:8px !important;
}
.hero-feature{
    min-height:128px;
}

@media(max-width:1000px){
    .hero-grid-banner{
        grid-template-columns:1fr !important;
        min-height:auto !important;
    }
    .hero-student{
        min-height:auto !important;
    }
    .hero-student img{
        height:auto !important;
        max-height:520px;
        object-fit:cover !important;
    }
}


/* =========================================================
   AUTENTICAÇÃO REAL + GESTÃO DE ALUNOS
   ========================================================= */
.alert{padding:14px 16px;border-radius:11px;margin-bottom:18px;font-size:14px;font-weight:700}
.alert-error{background:#fff0f0;color:#a71920;border:1px solid #ffd4d6}
.alert-success{background:#eefaf2;color:#1e6b39;border:1px solid #cdeed7}
.logout-form{margin-top:auto}
.logout-button{
    width:100%;
    border:0;
    background:transparent;
    text-align:left;
    cursor:pointer;
    font:inherit;
}
.sidebar-bottom{margin-top:auto}
.admin-search{display:flex;gap:10px;margin-bottom:22px}
.admin-search input{
    flex:1;
    border:1px solid #dedee2;
    border-radius:11px;
    padding:13px 14px;
    outline:0;
}
.responsive-table{overflow-x:auto}
.users-table{width:100%;border-collapse:collapse}
.users-table th,.users-table td{
    padding:16px 12px;
    border-bottom:1px solid #ededf0;
    text-align:left;
    font-size:14px;
}
.users-table th{
    color:#73737a;
    font-size:11px;
    text-transform:uppercase;
    letter-spacing:1px;
}
.status-pill{
    display:inline-flex;
    padding:6px 9px;
    border-radius:999px;
    font-size:11px;
    font-weight:900;
}
.status-active{background:#eaf8ee;color:#216b38}
.status-blocked{background:#fff0f0;color:#a71920}
.table-actions{display:flex;align-items:center;gap:12px}
.table-actions a,.table-actions button{
    border:0;
    background:transparent;
    color:var(--red);
    font-weight:800;
    font-size:12px;
    cursor:pointer;
    padding:0;
}
.empty-state{text-align:center!important;color:#8d8d94;padding:34px!important}
.pagination-wrap{margin-top:20px}
.admin-form-card{max-width:850px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-field{display:grid;gap:8px}
.form-field-full{grid-column:1/-1}
.form-field label{font-size:13px;font-weight:800}
.form-field input[type=text],
.form-field input[type=email],
.form-field input[type=password]{
    width:100%;
    border:1px solid #dedee2;
    border-radius:11px;
    padding:14px;
    outline:0;
}
.form-field input:focus{border-color:var(--red)}
.field-error{color:#b91e24}
.switch-line{display:flex!important;align-items:center;gap:10px}
.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:28px}
.back-admin{font-size:12px;color:var(--red);font-weight:800;display:inline-block;margin-bottom:8px}

@media(max-width:700px){
    .admin-search{display:grid}
    .form-grid{grid-template-columns:1fr}
    .form-field-full{grid-column:auto}
}

.form-field textarea,.form-field select,.form-field input[type=number],.form-field input[type=date],.form-field input[type=time],.form-field input[type=url]{width:100%;border:1px solid #dedee2;border-radius:11px;padding:14px;outline:0;background:#fff;font:inherit}.table-sub{color:#818188;font-size:12px;margin-top:4px}.module-summary{display:flex;justify-content:space-between;gap:12px;padding:14px 0;border-top:1px solid #eee}.module-summary span{color:var(--muted);font-size:12px}.empty-inline{color:var(--muted);font-size:14px;padding:18px 0}

/* PROFESSORES + CURSO + UPLOAD */
.form-field input[type=file]{width:100%;border:1px dashed #cfcfd4;border-radius:11px;padding:16px;background:#fafafa}.current-file{margin-top:10px;padding:10px;background:#f5f5f6;border-radius:9px;font-size:12px}.current-file a{color:var(--red);font-weight:800}.course-modules{display:grid;gap:20px}.course-module{padding:0;overflow:hidden}.module-head{padding:26px;display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid #eee}.module-head h2{margin:7px 0 8px}.module-head p{margin:0;color:var(--muted);line-height:1.5}.module-head>span{color:var(--muted);font-size:12px}.course-lessons{padding:0 26px}.course-lesson{display:grid;grid-template-columns:46px 1fr auto;gap:14px;align-items:center;padding:18px 0;border-bottom:1px solid #eee}.course-lesson:last-child{border-bottom:0}.lesson-play{width:42px;height:42px;border-radius:10px;background:#111;color:#fff;display:grid;place-items:center}.course-lesson strong,.course-lesson span{display:block}.course-lesson span{color:var(--muted);font-size:12px;margin-top:5px}.course-lesson b{font-size:12px;color:var(--red)}@media(max-width:600px){.module-head{flex-direction:column}.course-lesson{grid-template-columns:42px 1fr}.course-lesson>b{grid-column:2}}
\n.status-live{background:#ffe7e8;color:#c91d25}.status-recorded{background:#eef1ff;color:#3f51b5}.status-scheduled{background:#fff5db;color:#806100}.table-actions-wrap{flex-wrap:wrap}.end-live-form{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.end-live-form input{width:180px;border:1px solid #ddd;border-radius:8px;padding:7px 9px;font-size:12px}.badge-live-pulse{position:relative}.badge-live-pulse::after{content:"";position:absolute;inset:-5px;border-radius:10px;border:2px solid rgba(227,38,46,.35);animation:livePulse 1.4s infinite}.live-note{margin-top:20px;padding:16px;border-radius:12px;background:#fff1f1;display:grid;gap:5px}.live-note strong{color:var(--red)}.live-note span{color:var(--muted);font-size:13px}@keyframes livePulse{0%{transform:scale(.92);opacity:1}100%{transform:scale(1.18);opacity:0}}
.end-live-form{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.end-live-form input{width:220px;border:1px solid #ddd;border-radius:8px;padding:8px 10px;font-size:12px}
.end-live-help{display:block;width:100%;font-size:10px;color:#8b8b91;margin-top:2px}
.student-hero-live{background:linear-gradient(120deg,#b70d15,#ef2731);box-shadow:0 18px 40px rgba(183,13,21,.18)}


/* =========================================================
   EDITOR DA LANDING PAGE
   ========================================================= */
.landing-editor-section{margin-bottom:20px}
.landing-editor-section>h2{font-size:28px;margin:8px 0 22px}
.landing-editor-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.landing-mini-card{border:1px solid #ececee;border-radius:16px;padding:18px;background:#fafafa;display:grid;gap:14px}
.landing-mini-card>strong{color:var(--red);font-size:12px;letter-spacing:1px}
.landing-current-image{margin-top:12px;border:1px solid #e4e4e7;border-radius:16px;overflow:hidden;background:#f4f4f5;width:min(520px,100%)}
.landing-current-image img{width:100%;height:240px;object-fit:cover;display:block}
.landing-editor-note{margin:-10px 0 22px;line-height:1.5}
.landing-save-bar{position:sticky;bottom:16px;z-index:10;background:#111114;color:#fff;border-radius:16px;padding:15px 18px;display:flex;justify-content:space-between;align-items:center;gap:20px;box-shadow:0 18px 50px rgba(0,0,0,.18);margin-top:24px}
.landing-save-bar span{font-size:12px;color:#c9c9cd}

.teacher-grid-dynamic{align-items:stretch}
.teacher-card-public{min-height:260px;border:1px solid #e7e7e9;border-radius:20px;padding:28px;background:linear-gradient(145deg,#fff,#f7f7f8);display:flex;flex-direction:column;justify-content:flex-end}
.teacher-initials{width:62px;height:62px;border-radius:50%;display:grid;place-items:center;background:#111114;color:#fff;font-weight:900;font-size:18px;margin-bottom:auto;border:4px solid #ffe9ea}
.teacher-card-public h3{font-size:22px;margin:28px 0 8px}
.teacher-card-public p{margin:0;color:var(--muted);line-height:1.55;font-size:14px}
.teacher-card-empty{grid-column:1/-1;min-height:200px}

@media(max-width:900px){
    .landing-editor-grid-3{grid-template-columns:1fr}
    .landing-save-bar{position:static;flex-direction:column;align-items:stretch}
}

/* =========================================================
   FOTOS DOS PROFESSORES
   ========================================================= */
.teacher-card-public{
    overflow:hidden;
}
.teacher-photo-wrap{
    width:100%;
    height:250px;
    margin:-26px -26px 24px;
    width:calc(100% + 52px);
    overflow:hidden;
    background:#f2f2f3;
}
.teacher-photo{
    width:100%;
    height:100%;
    object-fit:cover;
    object-position:center top;
    display:block;
}
.professor-admin-cell{
    display:flex;
    align-items:center;
    gap:13px;
    min-width:260px;
}
.professor-admin-avatar{
    width:52px;
    height:52px;
    flex:0 0 52px;
    border-radius:50%;
    object-fit:cover;
    object-position:center top;
    border:2px solid #f3d4d6;
    background:#111114;
}
.professor-admin-avatar-fallback{
    display:grid;
    place-items:center;
    color:#fff;
    font-weight:900;
}
.professor-photo-preview-wrap{
    display:flex;
    align-items:center;
    gap:18px;
    margin-bottom:14px;
    padding:14px;
    border:1px solid #ececee;
    border-radius:14px;
    background:#fafafa;
}
.professor-photo-preview{
    width:110px;
    height:110px;
    object-fit:cover;
    object-position:center top;
    border-radius:14px;
}

@media(max-width:600px){
    .teacher-photo-wrap{
        height:290px;
    }
    .professor-photo-preview-wrap{
        align-items:flex-start;
        flex-direction:column;
    }
}


/* =========================================================
   DISCIPLINAS - SANFONA DA ÁREA DO ALUNO
   ========================================================= */
.discipline-accordion-list{
    display:grid;
    gap:16px;
}
.discipline-accordion{
    background:#fff;
    border:1px solid #e1e1e5;
    border-radius:20px;
    overflow:hidden;
    box-shadow:0 8px 25px rgba(17,17,20,.025);
}
.discipline-accordion summary{
    list-style:none;
}
.discipline-accordion summary::-webkit-details-marker{
    display:none;
}
.discipline-summary{
    min-height:112px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    padding:24px 26px;
    cursor:pointer;
    user-select:none;
    transition:background .18s ease;
}
.discipline-summary:hover{
    background:#fcfcfd;
}
.discipline-summary-main{
    min-width:0;
    display:flex;
    align-items:center;
    gap:18px;
}
.discipline-number{
    flex:0 0 50px;
    width:50px;
    height:50px;
    display:grid;
    place-items:center;
    border-radius:14px;
    background:#fff0f1;
    color:var(--red);
    font-weight:900;
    font-size:15px;
}
.discipline-summary h2{
    margin:4px 0 0;
    font-size:24px;
}
.discipline-summary p{
    margin:6px 0 0;
    color:var(--muted);
    font-size:13px;
}
.discipline-summary-side{
    flex:0 0 auto;
    display:flex;
    align-items:center;
    gap:18px;
    color:var(--muted);
    font-size:12px;
}
.discipline-chevron{
    width:34px;
    height:34px;
    display:grid;
    place-items:center;
    border-radius:50%;
    background:#f2f2f4;
    color:#202024;
    font-size:20px;
    line-height:1;
    transition:transform .2s ease, background .2s ease;
}
.discipline-accordion[open] .discipline-chevron{
    transform:rotate(180deg);
    background:#ffe9ea;
    color:var(--red);
}
.discipline-content{
    padding:0 26px 18px;
    border-top:1px solid #ededf0;
}
.discipline-content .course-lesson:first-child{
    border-top:0;
}
@media(max-width:700px){
    .discipline-summary{padding:18px;gap:12px}
    .discipline-summary-main{gap:12px}
    .discipline-number{width:42px;height:42px;flex-basis:42px}
    .discipline-summary h2{font-size:20px}
    .discipline-summary-side > span:first-child{display:none}
    .discipline-content{padding:0 18px 14px}
    .course-lesson b{display:none}
}

/* Correção: botão + Nova aula dentro de .panel-heading deve manter texto branco */
.panel-heading > a.btn.btn-primary,
.panel-heading > a.btn.btn-primary:visited,
.panel-heading > a.btn.btn-primary:hover,
.panel-heading > a.btn.btn-primary:focus {
    color:#fff !important;
}

/* =========================================================
   ÁREA DO ALUNO — EXPERIÊNCIA STREAMING
   ========================================================= */
.stream-app{min-height:100vh;background:#0b0b0e;color:#fff}
.stream-nav{height:82px;position:sticky;top:0;z-index:60;display:grid;grid-template-columns:190px 1fr auto;align-items:center;gap:34px;padding:0 4vw;background:linear-gradient(180deg,rgba(9,9,12,.98),rgba(9,9,12,.88));backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.055)}
.stream-brand{width:165px;height:54px;background:#fff;border-radius:11px;padding:4px 12px;display:grid;place-items:center}
.stream-brand img{width:100%;height:46px;object-fit:contain}
.stream-menu{display:flex;gap:28px;align-items:center}
.stream-menu a{font-size:14px;font-weight:700;color:#aaaab1;transition:.2s;position:relative;padding:30px 0}
.stream-menu a:hover,.stream-menu a.active{color:#fff}
.stream-menu a.active:after{content:"";height:3px;border-radius:3px;background:var(--red);position:absolute;left:0;right:0;bottom:18px}
.stream-user-menu{display:flex;align-items:center;gap:12px}
.stream-user-name{font-size:12px;color:#b6b6bc;max-width:120px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stream-user-menu .avatar{width:38px;height:38px;box-shadow:0 0 0 3px rgba(227,38,46,.14)}
.stream-logout{border:0;background:transparent;color:#87878f;font-size:12px;font-weight:700;cursor:pointer;padding:9px 5px}.stream-logout:hover{color:#fff}
.stream-main{width:min(1440px,100%);margin:0 auto;padding:28px 4vw 70px}
.stream-hero{height:clamp(390px,46vw,570px);min-height:390px;position:relative;overflow:hidden;border-radius:24px;background:radial-gradient(circle at 74% 46%,#3b1619 0,#1a1114 26%,#101014 58%,#0d0d10 100%);display:flex;align-items:flex-end;margin-bottom:46px;box-shadow:0 30px 75px rgba(0,0,0,.34)}
.stream-hero.is-live{background:radial-gradient(circle at 72% 42%,#6f151b 0,#2b1115 31%,#111114 64%)}
.stream-hero-gradient{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,8,11,.96) 0%,rgba(8,8,11,.83) 35%,rgba(8,8,11,.20) 72%,rgba(8,8,11,.55) 100%),linear-gradient(0deg,rgba(8,8,11,.86),transparent 50%);z-index:2}
.stream-hero-professor{position:absolute;right:0;top:0;height:100%;width:58%;object-fit:cover;object-position:center top;filter:saturate(.85) contrast(1.04);z-index:1;mask-image:linear-gradient(90deg,transparent 0,#000 34%)}
.stream-hero-content{position:relative;z-index:4;width:min(680px,62%);padding:0 0 54px 54px}
.stream-eyebrow,.stream-section-kicker{font-size:11px;letter-spacing:2px;color:#ff4750;font-weight:900}
.stream-meta-line{display:flex;gap:8px;color:#d1d1d5;font-size:13px;font-weight:700;margin:17px 0 7px}
.stream-hero h1{font-size:clamp(40px,5vw,72px);line-height:.98;letter-spacing:-2.6px;margin:0 0 18px;color:#fff;max-width:720px}
.stream-hero-description{font-size:15px;line-height:1.7;color:#c1c1c7;margin:0;max-width:580px}
.stream-hero-actions{display:flex;gap:10px;align-items:center;margin-top:26px}
.stream-btn{display:inline-flex;align-items:center;gap:10px;border-radius:10px;padding:13px 20px;font-size:13px;font-weight:900;transition:.2s}.stream-btn:hover{transform:translateY(-1px)}
.stream-btn-primary{background:#fff;color:#111}.stream-btn-primary:hover{background:#e8e8ea}.stream-btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.08);backdrop-filter:blur(10px)}.stream-btn-ghost:hover{background:rgba(255,255,255,.2)}
.stream-play-icon{font-size:11px}
.stream-hero-art{position:absolute;z-index:3;right:7%;top:50%;transform:translateY(-50%);width:320px;height:320px;border-radius:50%;border:1px solid rgba(255,255,255,.08);display:grid;place-items:center;background:radial-gradient(circle,rgba(227,38,46,.20),transparent 65%)}
.stream-hero-art:before,.stream-hero-art:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.06)}.stream-hero-art:before{inset:35px}.stream-hero-art:after{inset:78px}
.stream-hero-play{width:82px;height:82px;border-radius:50%;background:var(--red);display:grid;place-items:center;font-size:25px;padding-left:5px;box-shadow:0 0 45px rgba(227,38,46,.34)}
.stream-hero-art>span{position:absolute;bottom:37px;font-weight:900;font-size:10px;letter-spacing:3px;color:#8c8c93;text-align:center}
.stream-section{margin-top:42px;scroll-margin-top:110px}.stream-section-last{padding-bottom:10px}
.stream-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}.stream-section-head h2{font-size:26px;letter-spacing:-.8px;margin:6px 0 0}.stream-section-head>a{font-size:12px;color:#a3a3aa;font-weight:700}.stream-section-head>a:hover{color:#fff}
.stream-card-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stream-content-card{min-width:0;transition:transform .22s ease}.stream-content-card:hover{transform:translateY(-6px)}
.stream-card-cover{aspect-ratio:16/9;border-radius:13px;position:relative;overflow:hidden;padding:16px;background:#1c1c21;border:1px solid rgba(255,255,255,.055)}
.stream-cover-1{background:linear-gradient(135deg,#5d1015,#e3262e)}.stream-cover-2{background:linear-gradient(135deg,#111115,#402126)}.stream-cover-3{background:linear-gradient(135deg,#401116,#8f171e)}.stream-cover-4{background:linear-gradient(135deg,#1c1c21,#4c4c55)}
.stream-card-cover:after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;right:-35px;bottom:-70px;border:28px solid rgba(255,255,255,.055)}
.stream-card-discipline{position:relative;z-index:2;font-size:10px;font-weight:900;letter-spacing:1px;text-transform:uppercase;color:#fff;opacity:.82}
.stream-card-cover>strong{position:absolute;left:16px;bottom:12px;font-size:50px;line-height:1;color:rgba(255,255,255,.10);letter-spacing:-3px}
.stream-card-play{position:absolute;z-index:3;right:15px;bottom:15px;width:38px;height:38px;border-radius:50%;background:#fff;color:#111;display:grid;place-items:center;font-size:11px;padding-left:2px;opacity:0;transform:scale(.8);transition:.2s}.stream-content-card:hover .stream-card-play{opacity:1;transform:scale(1)}
.stream-card-cover em{position:absolute;right:15px;top:14px;font-style:normal;font-size:10px;color:#e9e9ec;background:rgba(0,0,0,.35);padding:5px 7px;border-radius:6px}
.stream-card-copy{padding:11px 3px}.stream-card-copy h3{font-size:14px;margin:0 0 6px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.stream-card-copy p{font-size:11px;color:#85858d;margin:0}
.stream-live-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
.stream-live-card{min-height:116px;border-radius:14px;border:1px solid rgba(255,255,255,.07);background:#151519;display:grid;grid-template-columns:74px 1fr 28px;align-items:center;gap:15px;padding:15px;transition:.2s}.stream-live-card:hover{background:#1c1c21;border-color:rgba(255,255,255,.13);transform:translateY(-2px)}.stream-live-card.is-live{border-color:rgba(227,38,46,.36);background:linear-gradient(120deg,rgba(227,38,46,.13),#151519 42%)}
.stream-live-date{height:78px;border-radius:11px;background:#202025;display:grid;place-items:center;align-content:center;gap:1px}.stream-live-date strong{font-size:25px}.stream-live-date span{font-size:9px;color:#93939b;font-weight:900;letter-spacing:.7px}.stream-live-date b{font-size:9px;color:#ff565d}.live-now-dot{width:9px;height:9px;border-radius:50%;background:#ff3038;box-shadow:0 0 0 5px rgba(255,48,56,.12);margin-bottom:8px}
.stream-live-info>span{font-size:9px;color:#ff4a52;text-transform:uppercase;letter-spacing:1.1px;font-weight:900}.stream-live-info h3{font-size:15px;margin:5px 0;color:#fff}.stream-live-info p{font-size:11px;color:#888891;margin:0}.stream-live-arrow{color:#777780;font-size:19px}
.stream-discipline-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.stream-discipline-card{min-height:180px;border-radius:16px;position:relative;overflow:hidden;padding:20px;display:flex;align-items:flex-end;justify-content:space-between;border:1px solid rgba(255,255,255,.07);transition:.2s}.stream-discipline-card:hover{transform:translateY(-5px);filter:brightness(1.07)}
.stream-discipline-1{background:linear-gradient(145deg,#701017,#d8212a)}.stream-discipline-2{background:linear-gradient(145deg,#19191d,#3d3d45)}.stream-discipline-3{background:linear-gradient(145deg,#351116,#7c171e)}.stream-discipline-4{background:linear-gradient(145deg,#26191a,#5d2326)}
.stream-discipline-card>span{position:absolute;right:14px;top:-4px;font-size:94px;font-weight:900;letter-spacing:-8px;color:rgba(255,255,255,.07)}.stream-discipline-card small{font-size:9px;letter-spacing:1.6px;font-weight:900;opacity:.7}.stream-discipline-card h3{font-size:22px;margin:6px 0}.stream-discipline-card p{font-size:11px;margin:0;opacity:.64}.stream-discipline-card>b{position:relative;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.12);display:grid;place-items:center;font-size:16px}
.stream-empty-card{border:1px dashed rgba(255,255,255,.13);border-radius:14px;padding:28px;color:#85858d;background:#111115;font-size:13px}

/* Disciplinas / temporadas */
.stream-course-page{padding-top:45px}.stream-course-heading{margin:0 0 32px;max-width:700px}.stream-course-heading h1{font-size:clamp(42px,5vw,64px);letter-spacing:-2px;margin:8px 0 12px}.stream-course-heading p{margin:0;color:#8e8e97;font-size:14px}
.stream-course-disciplines{display:grid;gap:18px}.stream-discipline-accordion{border:1px solid rgba(255,255,255,.07);border-radius:18px;overflow:hidden;background:#111115}.stream-discipline-accordion summary{list-style:none;cursor:pointer}.stream-discipline-accordion summary::-webkit-details-marker{display:none}
.stream-discipline-banner{min-height:172px;position:relative;padding:26px 28px;display:flex;align-items:flex-end;gap:24px;overflow:hidden}.stream-big-number{font-size:84px;font-weight:900;line-height:.8;letter-spacing:-7px;color:rgba(255,255,255,.11);min-width:105px}.stream-discipline-title{position:relative;z-index:2}.stream-discipline-title small{font-size:9px;letter-spacing:1.8px;font-weight:900;opacity:.72}.stream-discipline-title h2{font-size:31px;letter-spacing:-1px;margin:6px 0 8px}.stream-discipline-title p{font-size:12px;margin:0;color:rgba(255,255,255,.66);max-width:620px}.stream-discipline-open{margin-left:auto;position:relative;z-index:2;display:flex;align-items:center;gap:16px;color:rgba(255,255,255,.65);font-size:11px}.stream-discipline-open b{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.12);display:grid;place-items:center;font-size:18px;transition:.2s}.stream-discipline-accordion[open] .stream-discipline-open b{transform:rotate(180deg);background:#fff;color:#111}
.stream-episodes{padding:0 22px 16px;background:#0f0f13}.stream-episode{min-height:92px;display:grid;grid-template-columns:116px 1fr 32px;gap:18px;align-items:center;padding:13px 4px;border-top:1px solid rgba(255,255,255,.06);transition:.18s}.stream-episode:hover{background:rgba(255,255,255,.025);padding-left:10px;padding-right:10px}.stream-episode-thumb{height:65px;border-radius:9px;background:linear-gradient(135deg,#28282e,#17171b);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.stream-episode-thumb span{width:34px;height:34px;background:#fff;color:#111;border-radius:50%;display:grid;place-items:center;font-size:10px;padding-left:2px;opacity:.9}.stream-episode-thumb strong{position:absolute;left:9px;bottom:4px;font-size:25px;color:rgba(255,255,255,.08)}.stream-episode-topline{display:flex;justify-content:space-between;gap:20px;align-items:center}.stream-episode-topline h3{font-size:14px;margin:0;color:#fff}.stream-episode-topline span{font-size:10px;color:#86868e;white-space:nowrap}.stream-episode-copy p{font-size:11px;color:#777780;margin:7px 0 0}.stream-live-text{color:#ff424a}.stream-episode-arrow{color:#6f6f78;font-size:18px}

@media(max-width:1050px){.stream-card-row,.stream-discipline-grid{grid-template-columns:repeat(2,1fr)}.stream-live-row{grid-template-columns:1fr 1fr}.stream-hero-content{width:72%}.stream-nav{grid-template-columns:160px 1fr auto;gap:20px}.stream-user-name{display:none}}
@media(max-width:760px){.stream-nav{height:70px;grid-template-columns:1fr auto;padding:0 16px}.stream-brand{width:137px;height:46px}.stream-brand img{height:39px}.stream-menu{position:fixed;z-index:70;bottom:0;left:0;right:0;height:64px;background:rgba(10,10,13,.97);border-top:1px solid rgba(255,255,255,.08);display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:0 6px}.stream-menu a{padding:22px 4px;text-align:center;font-size:10px}.stream-menu a.active:after{bottom:8px;left:28%;right:28%}.stream-user-menu form{display:none}.stream-main{padding:18px 14px 88px}.stream-hero{min-height:480px;height:66vh;border-radius:18px;align-items:flex-end}.stream-hero-professor{width:100%;height:62%;top:0;mask-image:linear-gradient(0deg,transparent 0,#000 44%);opacity:.62}.stream-hero-gradient{background:linear-gradient(0deg,#0b0b0e 8%,rgba(11,11,14,.92) 34%,rgba(11,11,14,.20) 76%,rgba(11,11,14,.38))}.stream-hero-content{width:100%;padding:0 22px 30px}.stream-hero h1{font-size:39px;letter-spacing:-1.7px}.stream-hero-art{width:220px;height:220px;right:50%;transform:translate(50%,-62%)}.stream-hero-play{width:65px;height:65px}.stream-card-row{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px}.stream-content-card{min-width:72vw;scroll-snap-align:start}.stream-live-row{grid-template-columns:1fr}.stream-discipline-grid{grid-template-columns:1fr 1fr}.stream-discipline-card{min-height:150px}.stream-section-head h2{font-size:22px}.stream-big-number{font-size:60px;min-width:78px}.stream-discipline-banner{padding:22px 18px;gap:13px}.stream-discipline-title h2{font-size:25px}.stream-discipline-open>span{display:none}.stream-episode{grid-template-columns:88px 1fr 20px;gap:12px}.stream-episode-thumb{height:55px}.stream-episode-topline{display:block}.stream-episode-topline span{display:block;margin-top:5px}.stream-episodes{padding:0 12px 12px}}
@media(max-width:480px){.stream-discipline-grid{grid-template-columns:1fr}.stream-hero-actions{align-items:stretch;flex-direction:column}.stream-btn{justify-content:center}.stream-course-heading h1{font-size:42px}.stream-discipline-banner{min-height:160px}.stream-big-number{position:absolute;right:15px;top:12px}.stream-discipline-title{padding-right:25px}.stream-episode-arrow{display:none}.stream-episode{grid-template-columns:82px 1fr}.stream-user-menu .avatar{width:34px;height:34px}.stream-user-menu{gap:0}}

/* =========================================================
   MINHA CONTA — ALUNO / STREAMING
   ========================================================= */
.stream-nav-avatar{width:40px;height:40px;border-radius:50%;overflow:hidden;display:grid;place-items:center;background:linear-gradient(145deg,#e3262e,#801118);box-shadow:0 0 0 3px rgba(227,38,46,.14);font-size:11px;font-weight:900;color:#fff}.stream-nav-avatar img{width:100%;height:100%;object-fit:cover}.stream-nav-avatar span{color:#fff}
.stream-account-page{padding-top:44px}.stream-account-hero{min-height:170px;border-radius:22px;background:linear-gradient(120deg,#17171c,#101014);border:1px solid rgba(255,255,255,.07);display:flex;align-items:center;gap:24px;padding:28px 32px;position:relative;overflow:hidden}.stream-account-hero:after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;right:-90px;top:-180px;background:radial-gradient(circle,rgba(227,38,46,.26),transparent 68%)}.stream-account-avatar-wrap{width:104px;height:104px;border-radius:50%;padding:4px;background:linear-gradient(145deg,#ff3b44,#4f0f13);position:relative;z-index:2}.stream-account-avatar-img,.stream-account-avatar-fallback{width:100%;height:100%;border-radius:50%;object-fit:cover;background:#222228}.stream-account-avatar-fallback{display:grid;place-items:center;font-size:27px;font-weight:900;color:#fff}.stream-account-intro{position:relative;z-index:2}.stream-account-intro h1{font-size:34px;letter-spacing:-1.2px;margin:6px 0 5px}.stream-account-intro p{margin:0;color:#898991;font-size:13px}.stream-account-status{margin-left:auto;position:relative;z-index:2;font-size:10px;font-weight:900;letter-spacing:1px;padding:9px 12px;border-radius:999px}.stream-account-status.is-active{background:rgba(49,196,111,.12);color:#67d994}.stream-account-status.is-blocked{background:rgba(227,38,46,.12);color:#ff6067}
.stream-account-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0 28px}.stream-account-stats article{background:#131317;border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:18px 20px}.stream-account-stats small{display:block;color:#73737c;font-size:9px;letter-spacing:1.3px;font-weight:900;margin-bottom:8px}.stream-account-stats strong{font-size:16px}.account-expired{color:#ff5a61}
.stream-account-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.stream-account-panel,.stream-account-info{background:#121216;border:1px solid rgba(255,255,255,.07);border-radius:18px;padding:25px}.stream-account-panel-head h2,.stream-account-info h2{font-size:24px;letter-spacing:-.7px;margin:6px 0 8px}.stream-account-panel-head p{color:#81818a;font-size:12px;line-height:1.6;margin:0 0 22px}.stream-account-form{display:grid;gap:9px}.stream-account-form>label{font-size:11px;color:#b6b6bd;font-weight:800;margin-top:5px}.stream-account-form input[type=text],.stream-account-form input[type=password]{width:100%;background:#0c0c10;color:#fff;border:1px solid rgba(255,255,255,.09);border-radius:10px;padding:13px 14px;outline:none}.stream-account-form input:focus{border-color:rgba(227,38,46,.65);box-shadow:0 0 0 3px rgba(227,38,46,.08)}.stream-upload-box{border:1px dashed rgba(255,255,255,.14);background:#0d0d11;border-radius:10px;padding:14px}.stream-upload-box input{display:block;color:#c2c2c8;font-size:11px;max-width:100%}.stream-upload-box span{display:block;color:#66666f;font-size:10px;margin-top:8px}.stream-check-line{display:flex;align-items:center;gap:8px;color:#92929a!important}.stream-account-save{margin-top:12px;border:0;border-radius:10px;background:#fff;color:#111;padding:13px 16px;font-size:12px;font-weight:900;cursor:pointer}.stream-account-save:hover{background:#ececee}.stream-account-alert{background:rgba(49,196,111,.12);border:1px solid rgba(49,196,111,.18);color:#7de2a5;border-radius:9px;padding:11px 13px;font-size:11px;margin-bottom:14px}.stream-field-error{color:#ff636a;font-size:10px}.stream-account-info{margin-top:18px}.stream-account-info dl{display:grid;grid-template-columns:1fr 1fr;margin:22px 0 0;border-top:1px solid rgba(255,255,255,.06)}.stream-account-info dl>div{padding:16px 0;border-bottom:1px solid rgba(255,255,255,.06)}.stream-account-info dl>div:nth-child(odd){padding-right:24px}.stream-account-info dt{font-size:10px;color:#72727b;margin-bottom:6px}.stream-account-info dd{font-size:13px;font-weight:800;margin:0}.stream-account-note{font-size:10px;color:#6f6f78;margin:16px 0 0}
@media(max-width:900px){.stream-account-grid{grid-template-columns:1fr}.stream-account-stats{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:760px){.stream-menu{grid-template-columns:repeat(5,1fr)}.stream-menu a{font-size:9px}.stream-account-page{padding-top:20px}.stream-account-hero{padding:22px 18px;align-items:flex-start;flex-wrap:wrap}.stream-account-avatar-wrap{width:82px;height:82px}.stream-account-intro h1{font-size:27px}.stream-account-status{margin-left:0;width:100%;text-align:center}.stream-account-stats{grid-template-columns:1fr}.stream-account-grid{grid-template-columns:1fr}.stream-account-panel,.stream-account-info{padding:20px 17px}.stream-account-info dl{grid-template-columns:1fr}.stream-account-info dl>div:nth-child(odd){padding-right:0}}


/* Matrícula parametrizada */
.enrollment-access-box {
    padding: 18px;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    background: #fafafa;
}
.enrollment-access-box small {
    display: block;
    margin-top: 7px;
    color: #6b7280;
}
.enrollment-access-box input.is-calculated {
    background: #f3f4f6;
    color: #111827;
    cursor: default;
}
.form-field select {
    width: 100%;
    min-height: 48px;
    border: 1px solid #dfe2e7;
    border-radius: 12px;
    padding: 0 14px;
    background: #fff;
    font: inherit;
    color: #111;
    outline: none;
}
.form-field select:focus {
    border-color: #ed1c24;
    box-shadow: 0 0 0 3px rgba(237,28,36,.08);
}
.stream-account-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}
@media (max-width: 900px) {
    .stream-account-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
    .stream-account-stats { grid-template-columns: 1fr; }
}

/* =========================================================
   QA RESPONSIVO FINAL — MOBILE / TABLET / DESKTOP / TV
   2026-09-01
   ========================================================= */

/* Acessibilidade por teclado/controle remoto e alvos de toque */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible{
    outline:3px solid rgba(227,38,46,.95);
    outline-offset:3px;
}
.btn,.stream-btn,.stream-menu a,.stream-account-save,.sidebar nav a,.admin-shortcut{
    min-height:44px;
}
html,body{max-width:100%;overflow-x:hidden}

/* Formulários e tabelas administrativas: nunca ultrapassar a viewport */
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.form-field,.form-field-full{min-width:0}
.form-field-full{grid-column:1/-1}
.form-field input,.form-field select,.form-field textarea{max-width:100%}
.responsive-table{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.users-table{min-width:720px}
.table-actions,.table-actions-wrap{display:flex;flex-wrap:wrap;gap:8px}
.admin-search{flex-wrap:wrap}
.admin-search input{min-width:220px;flex:1 1 260px}

/* Tablet em paisagem / notebooks menores */
@media (max-width:1200px){
    .app-main{padding:30px 28px}
    .stream-main{padding-left:3vw;padding-right:3vw}
    .stream-hero-content{padding-left:38px}
    .stream-card-row{grid-template-columns:repeat(3,minmax(0,1fr))}
    .landing-editor-grid-3{grid-template-columns:1fr 1fr}
}

/* Tablet */
@media (max-width:1024px){
    .container{width:min(100% - 32px,1180px)}
    .app-shell{grid-template-columns:210px minmax(0,1fr)}
    .sidebar{padding:20px 14px}
    .sidebar-brand{margin-bottom:24px}
    .app-main{padding:26px 22px}
    .dashboard-grid{grid-template-columns:1fr}
    .stats-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .panel{padding:22px}
    .stream-nav{padding-left:24px;padding-right:24px}
    .stream-main{padding-left:24px;padding-right:24px}
    .stream-hero{height:520px}
    .stream-hero-content{width:72%;padding:0 0 42px 38px}
    .stream-hero h1{font-size:clamp(40px,6vw,58px)}
    .stream-card-row{grid-template-columns:repeat(2,minmax(0,1fr))}
    .stream-discipline-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .stream-account-grid{grid-template-columns:1fr}
    .class-container{width:min(100% - 32px,1100px);margin-top:32px}
}

/* Mobile + tablet retrato: admin vira barra superior rolável */
@media (max-width:820px){
    .app-shell{display:block;min-height:100vh}
    .sidebar{
        position:sticky;
        top:0;
        z-index:90;
        height:auto;
        padding:10px 14px;
        display:grid;
        grid-template-columns:140px minmax(0,1fr) auto;
        gap:12px;
        align-items:center;
        box-shadow:0 6px 20px rgba(0,0,0,.14);
    }
    .sidebar-brand{margin:0;padding:4px 8px;border-radius:10px}
    .sidebar-brand img{height:44px}
    .sidebar nav{
        display:flex;
        gap:6px;
        overflow-x:auto;
        overscroll-behavior-x:contain;
        scrollbar-width:none;
        padding-bottom:2px;
    }
    .sidebar nav::-webkit-scrollbar{display:none}
    .sidebar nav a{flex:0 0 auto;white-space:nowrap;padding:10px 12px;min-height:42px;display:flex;align-items:center}
    .sidebar-bottom{margin:0;display:flex;gap:4px;align-items:center}
    .sidebar-bottom>a{display:none}
    .sidebar-bottom form{margin:0}
    .sidebar .logout-button{width:auto;padding:10px 9px;white-space:nowrap;color:#fff}
    .app-main{padding:22px 16px 32px}
    .topbar{margin-bottom:20px}
    .topbar h1{font-size:27px}
    .stats-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
    .stat-card{padding:18px 14px}
    .stat-card strong{font-size:30px}
    .panel-heading{align-items:flex-start}
    .panel-heading .btn{white-space:nowrap}
    .form-grid,.landing-editor-grid-3{grid-template-columns:1fr}
    .form-field-full{grid-column:auto}
    .form-actions{display:flex;flex-wrap:wrap;gap:10px}
    .form-actions .btn{flex:1 1 180px}
    .professor-photo-preview{width:90px;height:90px}
}

/* Mobile */
@media (max-width:600px){
    .container{width:min(100% - 24px,1180px)}
    .site-header .nav-wrap{gap:10px}
    .site-header .brand img{width:150px;height:54px}
    .site-header nav{gap:8px}
    .site-header nav .btn{padding:10px 13px;min-height:42px}
    .hero-inspire{padding-top:24px!important}
    .hero-grid-banner{gap:12px!important}
    .hero-copy{padding-top:8px!important}
    .hero-copy h1{font-size:clamp(38px,12vw,48px)!important;line-height:1.02!important;letter-spacing:-1.8px!important}
    .hero-copy .hero-text{font-size:16px;line-height:1.55}
    .hero-actions .btn{width:100%}
    .hero-student img{max-height:420px!important}
    .hero-feature{min-height:auto;padding:18px}
    .section h2,.cta h2{font-size:34px;letter-spacing:-1.2px}
    .cta .btn{width:100%}

    /* Admin no celular */
    .sidebar{grid-template-columns:118px minmax(0,1fr) auto;padding:8px 10px;gap:8px}
    .sidebar-brand img{height:38px}
    .sidebar nav a{font-size:12px;padding:9px 10px}
    .sidebar .logout-button{font-size:12px;padding:9px 6px}
    .app-main{padding:18px 12px 28px}
    .topbar .avatar{width:38px;height:38px}
    .stats-grid{display:grid;grid-template-columns:1fr 1fr}
    .stats-grid .stat-card:first-child{grid-column:1/-1}
    .stat-card strong{font-size:28px}
    .panel{padding:17px 14px;border-radius:16px}
    .panel-heading{display:grid;grid-template-columns:1fr;gap:10px}
    .panel-heading .btn{width:100%}
    .admin-table>div{grid-template-columns:1fr;gap:7px;padding:14px 0}
    .admin-search{display:grid;grid-template-columns:1fr;width:100%}
    .admin-search input,.admin-search .btn{width:100%;min-width:0}
    .responsive-table{margin-left:-4px;width:calc(100% + 8px)}
    .form-actions{display:grid;grid-template-columns:1fr;width:100%}
    .form-actions .btn{width:100%}
    .enrollment-access-box{padding:14px}

    /* Streaming */
    .stream-main{padding-left:12px;padding-right:12px}
    .stream-hero{min-height:500px;height:auto;aspect-ratio:auto;margin-bottom:32px}
    .stream-hero-content{padding:250px 18px 26px!important}
    .stream-hero h1{font-size:clamp(34px,10vw,43px);line-height:1.02;letter-spacing:-1.5px}
    .stream-hero-description{font-size:14px;line-height:1.55}
    .stream-meta-line{flex-wrap:wrap}
    .stream-hero-art{top:170px;width:190px;height:190px}
    .stream-card-row{gap:12px;margin-right:-12px;padding-right:12px}
    .stream-content-card{min-width:78vw}
    .stream-card-cover{border-radius:12px}
    .stream-live-row{gap:12px}
    .stream-section{margin-top:34px}
    .stream-section-head{align-items:center}
    .stream-section-head h2{font-size:21px}
    .stream-section-head>a{white-space:nowrap}
    .stream-discipline-grid{grid-template-columns:1fr}
    .stream-menu{padding-bottom:env(safe-area-inset-bottom);height:calc(64px + env(safe-area-inset-bottom))}
    .stream-main{padding-bottom:calc(88px + env(safe-area-inset-bottom))}
    .stream-menu a{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .stream-account-hero{border-radius:17px}
    .stream-account-intro{min-width:0}
    .stream-account-intro h1,.stream-account-intro p{overflow-wrap:anywhere}
    .stream-account-stats article{padding:16px}
    .stream-account-panel,.stream-account-info{border-radius:15px}
    .stream-account-form input[type=text],.stream-account-form input[type=password]{font-size:16px} /* evita zoom do iOS */

    /* Aula/player */
    .class-header{height:64px;padding:0 12px}
    .back-link{font-size:12px}
    .class-user{width:36px;height:36px}
    .class-container{width:calc(100% - 20px);margin:22px auto 90px}
    .class-title h1{font-size:clamp(28px,9vw,38px);letter-spacing:-1px}
    .video-frame,.inspire-player-wrap{border-radius:14px}
    .class-info-grid{gap:12px}
}

/* Celulares estreitos */
@media (max-width:390px){
    .sidebar{grid-template-columns:102px minmax(0,1fr) auto;padding-left:7px;padding-right:7px}
    .sidebar nav a{font-size:11px;padding-left:8px;padding-right:8px}
    .stats-grid{grid-template-columns:1fr}
    .stats-grid .stat-card:first-child{grid-column:auto}
    .stream-brand{width:120px}
    .stream-menu a{font-size:8px}
    .stream-hero-content{padding-left:15px!important;padding-right:15px!important}
    .stream-content-card{min-width:84vw}
}

/* TV / telas grandes 1080p: leitura a distância e melhor uso da largura */
@media (min-width:1600px){
    .stream-main{width:min(1680px,94vw);padding-left:36px;padding-right:36px}
    .stream-nav{height:92px;padding-left:max(4vw,54px);padding-right:max(4vw,54px)}
    .stream-brand{width:185px;height:60px}
    .stream-brand img{height:52px}
    .stream-menu a{font-size:16px;padding-top:34px;padding-bottom:34px}
    .stream-user-name{font-size:14px;max-width:180px}
    .stream-nav-avatar,.stream-user-menu .avatar{width:46px;height:46px}
    .stream-hero{height:610px;border-radius:28px}
    .stream-hero-content{width:min(760px,58%);padding-left:62px;padding-bottom:60px}
    .stream-hero h1{font-size:76px}
    .stream-hero-description{font-size:17px}
    .stream-btn{font-size:15px;padding:15px 24px;min-height:52px}
    .stream-section-head h2{font-size:31px}
    .stream-card-row{grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
    .stream-discipline-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
    .stream-card-title,.stream-discipline-card h3{font-size:16px}
    .stream-episode{min-height:108px;grid-template-columns:145px 1fr 40px}
    .stream-episode-thumb{height:80px}
    .stream-episode-topline h3{font-size:16px}
    .stream-episode-copy p{font-size:13px}
    .class-container{width:min(1500px,90vw);margin-top:52px}
    .class-title h1{font-size:50px}
    .class-header{height:88px;padding-left:64px;padding-right:64px}
    .class-header img{width:220px;height:70px}
    .inspire-big-play{width:90px!important;height:90px!important;font-size:32px!important}
    .inspire-control-btn{min-width:48px!important;min-height:48px!important}
}

/* TV 4K / monitores ultragrandes */
@media (min-width:2400px){
    body{font-size:18px}
    .stream-main{width:min(2200px,90vw)}
    .stream-nav{height:112px}
    .stream-brand{width:230px;height:72px}
    .stream-brand img{height:62px}
    .stream-menu{gap:42px}
    .stream-menu a{font-size:20px}
    .stream-user-name{font-size:17px;max-width:260px}
    .stream-nav-avatar,.stream-user-menu .avatar{width:58px;height:58px}
    .stream-hero{height:760px;border-radius:34px}
    .stream-hero-content{width:min(940px,56%);padding-left:84px;padding-bottom:82px}
    .stream-eyebrow,.stream-section-kicker{font-size:14px}
    .stream-meta-line{font-size:17px}
    .stream-hero h1{font-size:96px;letter-spacing:-3.3px}
    .stream-hero-description{font-size:21px;max-width:760px}
    .stream-btn{font-size:18px;padding:19px 30px;min-height:62px;border-radius:13px}
    .stream-section{margin-top:58px}
    .stream-section-head h2{font-size:40px}
    .stream-card-row{grid-template-columns:repeat(5,minmax(0,1fr));gap:24px}
    .stream-card-cover{border-radius:18px;padding:20px}
    .stream-discipline-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
    .stream-account-hero{min-height:220px;padding:38px 42px}
    .stream-account-avatar-wrap{width:132px;height:132px}
    .stream-account-intro h1{font-size:44px}
    .stream-account-stats article,.stream-account-panel,.stream-account-info{padding:30px}
    .class-container{width:min(1900px,88vw);margin-top:70px}
    .class-title h1{font-size:66px}
    .class-header{height:108px;padding-left:90px;padding-right:90px}
    .class-header img{width:270px;height:88px}
}

/* Preferência por menos animação, útil também em alguns browsers de TV */
@media (prefers-reduced-motion:reduce){
    *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}


/* ===== Smart TV / controle remoto ===== */
.stream-nav a:focus-visible,
.stream-nav button:focus-visible,
.stream-shell a:focus-visible,
.stream-shell button:focus-visible,
.stream-shell summary:focus-visible,
.stream-shell [tabindex]:focus-visible {
    outline: 4px solid #fff !important;
    outline-offset: 4px;
    box-shadow: 0 0 0 7px rgba(215, 31, 45, .9), 0 10px 34px rgba(0,0,0,.38) !important;
    transform: scale(1.035);
    z-index: 20;
}

@media (min-width: 1600px) {
    .stream-menu a, .stream-logout { min-height: 52px; display:inline-flex; align-items:center; }
    .stream-nav-avatar { min-width:56px; min-height:56px; }
}

@media (min-width: 1900px) {
    .stream-nav { padding-left: 4vw; padding-right: 4vw; }
    .stream-menu { gap: 1.7rem; }
    .stream-menu a, .stream-logout { font-size: 1.08rem; min-height: 58px; padding-left: 1rem; padding-right: 1rem; }
    .stream-nav-avatar { width: 62px; height: 62px; }
    .stream-user-name { font-size: 1.05rem; }
}

/* Evita animações desconfortáveis em TVs/usuários que preferem movimento reduzido */
@media (prefers-reduced-motion: reduce) {
    .stream-shell *, .stream-nav * {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
    }
}