:root{
  --bg:#09090f;--bg2:#11111c;--panel:#171725;--panel2:#202033;--text:#f8f8fb;--muted:#a8a8b8;--line:rgba(255,255,255,.09);
  --primary:#e50914;--primary2:#ff365f;--green:#23c483;--yellow:#ffbd2f;--danger:#ff4d4d;--radius:22px;--shadow:0 24px 80px rgba(0,0,0,.38)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at top left,#1a1238 0,#09090f 34%,#09090f 100%);color:var(--text);font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;min-height:100vh}a{color:inherit;text-decoration:none}img,video{max-width:100%}small{color:var(--muted)}
.topbar{position:sticky;top:0;z-index:50;height:72px;padding:0 28px;display:flex;align-items:center;gap:24px;background:rgba(9,9,15,.78);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:1.1rem;letter-spacing:-.02em}.brand-fallback{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary2));box-shadow:0 10px 30px rgba(229,9,20,.35);font-weight:1000}
.topnav{display:flex;align-items:center;gap:16px;margin-left:auto}.topnav a{color:var(--muted);font-weight:700;font-size:.95rem}.topnav a:hover{color:#fff}.user-pill{padding:9px 13px;border:1px solid var(--line);border-radius:999px;color:#ddd;background:rgba(255,255,255,.04);font-size:.9rem}
.app-shell{width:min(1240px,100%);margin:0 auto;padding:26px 22px 94px}.auth-page .app-shell{width:100%;padding:0}.alert{padding:14px 16px;border-radius:16px;margin:14px 0;border:1px solid var(--line);background:rgba(255,255,255,.06)}.alert-success{border-color:rgba(35,196,131,.4);background:rgba(35,196,131,.12)}.alert-danger{border-color:rgba(255,77,77,.4);background:rgba(255,77,77,.12)}.alert-warning{border-color:rgba(255,189,47,.42);background:rgba(255,189,47,.13)}.alert-info{border-color:rgba(104,165,255,.42);background:rgba(104,165,255,.12)}
.btn{border:0;border-radius:14px;padding:12px 18px;font-weight:900;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.18s transform,.18s opacity;white-space:nowrap}.btn:hover{transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff}.btn-secondary{background:#fff;color:#101018}.btn-ghost{background:rgba(255,255,255,.08);border:1px solid var(--line);color:#fff}.btn-mini{font-size:.82rem;padding:8px 10px;border-radius:11px;background:rgba(255,255,255,.09);color:#fff}.btn-mini.danger,.danger{background:rgba(255,77,77,.14);color:#ffaaaa}.full{width:100%}
.glass,.panel,.stat-card,.login-card{background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.04));border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}.panel{padding:22px}.panel h2,.panel h3{margin:0 0 16px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.panel-head a{color:#fff;font-weight:800}.muted{color:var(--muted)}.hidden{display:none}.soft{border:0;border-top:1px solid var(--line);margin:24px 0}
.login-wrap{min-height:calc(100vh - 72px);display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 30% 20%,rgba(229,9,20,.23),transparent 30%),radial-gradient(circle at 70% 75%,rgba(98,0,255,.22),transparent 32%)}.login-card{width:min(440px,100%);padding:34px}.login-logo{margin-bottom:12px}.login-card h1{font-size:2rem;line-height:1.05;margin:0 0 10px}.login-card p{color:var(--muted);line-height:1.55}.demo-box{margin-top:16px;padding:13px;border-radius:14px;background:rgba(255,255,255,.07);color:#ddd;font-size:.92rem}
.form-stack{display:grid;gap:14px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}label{display:grid;gap:7px;color:#f1f1f7;font-weight:800;font-size:.92rem}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;background:rgba(5,5,10,.72);color:#fff;padding:13px 14px;outline:none;font:inherit}textarea{resize:vertical}input:focus,select:focus,textarea:focus{border-color:rgba(255,255,255,.32)}.check{display:flex;align-items:center;gap:9px}.check input{width:auto}.check-spaced{align-self:end;margin-bottom:9px}.inline-search{min-width:180px}.inline-search input{padding:10px 12px}.inline-complete{margin-top:18px}
.hero,.page-head,.course-hero{border-radius:30px;padding:34px;background:linear-gradient(135deg,rgba(229,9,20,.18),rgba(255,255,255,.06));border:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:24px}.hero h1,.page-head h1,.course-hero h1{font-size:clamp(2rem,5vw,4rem);line-height:.98;margin:6px 0 10px;letter-spacing:-.06em}.hero p,.page-head p,.course-hero p{max-width:720px;color:var(--muted);line-height:1.6}.eyebrow{color:#ff90a4;text-transform:uppercase;font-size:.78rem;font-weight:1000;letter-spacing:.16em}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}.stat-card{padding:22px}.stat-card span{color:var(--muted);font-weight:800}.stat-card strong{display:block;font-size:2.4rem;margin-top:8px}.admin-grid{display:grid;gap:18px}.two-cols{grid-template-columns:minmax(320px,.9fr) minmax(430px,1.4fr)}.lessons-admin-grid{grid-template-columns:minmax(360px,.85fr) minmax(450px,1.35fr)}
.clean-list{display:grid;gap:10px}.list-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.04)}.list-item span{display:block;color:var(--muted);font-size:.9rem;margin-top:4px}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:6px 9px;font-size:.75rem;font-weight:900}.badge.ok{background:rgba(35,196,131,.15);color:#75efbe}.badge.off{background:rgba(255,77,77,.14);color:#ff9b9b}.badge.neutral{background:rgba(255,255,255,.11);color:#ddd}
.table-responsive{overflow:auto}table{width:100%;border-collapse:collapse;min-width:620px}th,td{padding:13px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}th{color:var(--muted);font-size:.82rem;text-transform:uppercase;letter-spacing:.08em}.actions,.row-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.actions form{display:inline-flex}
.upload-drop{position:relative;border:1px dashed rgba(255,255,255,.24);border-radius:20px;padding:20px;background:rgba(255,255,255,.04);display:grid;gap:8px}.upload-drop span{color:var(--muted)}.upload-drop input{background:rgba(0,0,0,.2)}.file-repeater{display:grid;gap:10px}.file-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.attached-files{display:grid;gap:10px}.attached-file{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);border-radius:14px;padding:10px;background:rgba(255,255,255,.04)}.lesson-admin-list{display:grid;gap:12px}.lesson-admin-card{display:grid;grid-template-columns:110px 1fr;gap:13px;border:1px solid var(--line);border-radius:18px;padding:10px;background:rgba(255,255,255,.04)}.thumb,.video-thumb,.small-thumb,.mini{background-size:cover;background-position:center;background-color:#222}.small-thumb{height:72px;border-radius:14px}.lesson-admin-body{display:grid;gap:5px}.lesson-admin-body small{display:block}
.stream-hero{min-height:420px;border-radius:34px;background-size:cover;background-position:center;display:flex;align-items:flex-end;padding:42px;margin-bottom:22px;border:1px solid var(--line);box-shadow:var(--shadow)}.stream-hero>div{max-width:720px}.stream-hero h1{font-size:clamp(2.4rem,7vw,5.2rem);line-height:.92;margin:8px 0 12px;letter-spacing:-.07em}.stream-hero p{font-size:1.05rem;color:#e7e7ef;line-height:1.6;max-width:620px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.search-section{margin:20px 0}.stream-search{display:flex;gap:10px}.stream-search input{height:54px;background:rgba(255,255,255,.08)}.rail{margin:28px 0}.rail-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.rail-head h2{margin:0;font-size:1.35rem}.video-row,.course-row{display:grid;grid-auto-flow:column;grid-auto-columns:280px;gap:14px;overflow-x:auto;overscroll-behavior-inline:contain;padding-bottom:10px;scroll-snap-type:inline mandatory}.video-card,.course-card{scroll-snap-align:start;border-radius:20px;overflow:hidden;background:rgba(255,255,255,.06);border:1px solid var(--line);transition:.18s transform,.18s border}.video-card:hover,.course-card:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.22)}.video-thumb{height:158px;position:relative}.play-badge{position:absolute;left:12px;bottom:12px;width:42px;height:42px;border-radius:999px;background:rgba(0,0,0,.68);display:grid;place-items:center}.done-badge{position:absolute;right:10px;top:10px;background:rgba(35,196,131,.95);color:#06130e;border-radius:999px;padding:6px 10px;font-weight:900;font-size:.75rem}.video-info,.course-info{padding:14px}.video-info strong,.course-info strong{display:block;line-height:1.25}.video-info small,.course-info small{display:block;margin-top:6px}.course-cover{height:154px;background:linear-gradient(135deg,#24244b,#5f0710);display:grid;place-items:center;font-size:3rem}.course-info p{color:var(--muted);line-height:1.45;max-height:44px;overflow:hidden}
.back-link{display:inline-flex;color:#fff;background:rgba(255,255,255,.08);padding:8px 12px;border-radius:999px;margin-bottom:14px}.progress-wrap{width:min(420px,100%);height:8px;background:rgba(255,255,255,.12);border-radius:999px;overflow:hidden;margin:16px 0 8px}.progress-wrap span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--primary2));border-radius:inherit}.lesson-list{display:grid;gap:12px}.lesson-row{display:grid;grid-template-columns:56px 128px 1fr auto;align-items:center;gap:14px;border:1px solid var(--line);border-radius:22px;padding:12px;background:rgba(255,255,255,.055)}.lesson-row:hover{background:rgba(255,255,255,.09)}.lesson-number{color:#777;font-size:1.45rem;font-weight:1000}.mini{height:74px;border-radius:15px}.lesson-row-body p{color:var(--muted);margin:5px 0;line-height:1.45;max-height:42px;overflow:hidden}
.watch-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:18px}.player-box{border-radius:26px;overflow:hidden;background:#000;border:1px solid var(--line);box-shadow:var(--shadow)}.player-box video{display:block;width:100%;background:#000;aspect-ratio:16/9}.no-video{aspect-ratio:16/9;display:grid;place-items:center;color:var(--muted)}.watch-title{padding:20px 4px}.watch-title h1{font-size:clamp(1.8rem,4vw,3rem);line-height:1;margin:7px 0 12px}.watch-title p{color:#d2d2dc;line-height:1.7}.watch-side{display:grid;gap:16px;align-content:start;position:sticky;top:92px}.download-item{display:grid;grid-template-columns:52px 1fr;gap:12px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.045);margin-bottom:10px}.download-item>span{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:rgba(229,9,20,.16);color:#ff90a4;font-weight:1000;font-size:.75rem}.download-item strong{display:block}.download-item small{display:block;margin-top:4px}.nav-lesson{display:block;border:1px solid var(--line);border-radius:14px;padding:12px;margin-top:10px;background:rgba(255,255,255,.05)}
.mobile-nav{display:none;position:fixed;z-index:80;left:12px;right:12px;bottom:12px;background:rgba(20,20,32,.88);backdrop-filter:blur(20px);border:1px solid var(--line);border-radius:22px;box-shadow:0 20px 60px rgba(0,0,0,.42);padding:8px}.mobile-nav a{flex:1;text-align:center;padding:11px 4px;border-radius:16px;color:#ddd;font-weight:900;font-size:.82rem}.mobile-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
@media (max-width:980px){.topbar{padding:0 18px}.topnav{display:none}.user-pill{margin-left:auto}.mobile-nav{display:flex}.app-shell{padding:18px 14px 98px}.hero,.page-head,.course-hero{display:block;padding:24px;border-radius:24px}.stats-grid{grid-template-columns:repeat(2,1fr)}.two-cols,.lessons-admin-grid,.watch-layout{grid-template-columns:1fr}.watch-side{position:static}.stream-hero{min-height:390px;padding:26px;border-radius:24px}.lesson-row{grid-template-columns:42px 92px 1fr;gap:10px}.lesson-row .badge{grid-column:3}.form-row,.file-row{grid-template-columns:1fr}.video-row,.course-row{grid-auto-columns:74vw}.lesson-admin-card{grid-template-columns:92px 1fr}.small-thumb{height:74px}.topbar{height:66px}.brand span:last-child{max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}
@media (max-width:560px){.stats-grid{grid-template-columns:1fr}.login-card{padding:24px}.stream-search{display:grid}.stream-hero h1{font-size:2.55rem}.hero h1,.page-head h1,.course-hero h1{font-size:2.2rem}.video-row,.course-row{grid-auto-columns:86vw}.lesson-row{grid-template-columns:34px 76px 1fr;padding:9px;border-radius:18px}.lesson-number{font-size:1rem}.mini{height:58px}.lesson-row-body p{display:none}.watch-title{padding:16px 0}.panel{padding:16px}table{font-size:.9rem}}

/* Identidade visual configurável */
.brand-mark.with-logo{box-shadow:none}.login-logo span.with-logo{box-shadow:none}.logo-preview{width:160px;height:86px;border-radius:18px;border:1px solid var(--line);background:rgba(0,0,0,.22);display:grid;place-items:center;padding:10px}.logo-preview img{max-width:100%;max-height:100%;object-fit:contain}.brand-preview-card{border:1px solid var(--line);border-radius:22px;padding:16px;background:linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.035));display:flex;align-items:center;gap:14px;margin-bottom:16px}.brand-preview-logo{width:64px;height:64px;border-radius:18px;background:linear-gradient(135deg,var(--primary),var(--primary2));display:grid;place-items:center;font-weight:1000;overflow:hidden;padding:7px}.brand-preview-logo img{width:100%;height:100%;object-fit:contain}.brand-preview-card strong{display:block;font-size:1.08rem}.brand-preview-card span{display:block;color:var(--muted);margin-top:4px}.color-row input[type=color]{height:50px;padding:7px;cursor:pointer}.cover-preview{height:160px;border-radius:18px;border:1px solid var(--line);background-size:cover;background-position:center;background-color:#222;box-shadow:inset 0 0 0 1px rgba(255,255,255,.05)}.cover-upload .btn{width:max-content}.logo-upload input[type=file],.cover-upload input[type=file]{margin-top:4px}
@media (max-width:560px){.logo-preview{width:100%;height:92px}.cover-preview{height:140px}.brand-preview-card{align-items:flex-start}.brand-preview-logo{width:56px;height:56px}}


/* Atualização: logomarca livre, sem bloco quadrado, e cadastro gratuito */
.brand-logo-link{min-width:0;flex:0 0 auto;line-height:0}
.brand-logo-only{display:flex;align-items:center;justify-content:flex-start;min-width:0;height:58px;max-width:260px;background:transparent!important;border:0!important;padding:0!important;border-radius:0!important;overflow:visible!important;box-shadow:none!important}
.brand-logo-only img{display:block;width:auto;height:auto;max-height:56px;max-width:min(260px,50vw);object-fit:contain;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:0 10px 32px rgba(0,0,0,.30);filter:drop-shadow(0 8px 18px rgba(0,0,0,.42))}
.brand-fallback.large{width:62px;height:62px;border-radius:20px;font-size:1.35rem;margin:0 auto 8px}
.clean-logo{display:flex;align-items:center;justify-content:center;margin-bottom:18px;min-height:78px}
.login-logo-img{display:block;width:auto;height:auto;max-width:min(300px,82vw);max-height:96px;object-fit:contain;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;filter:drop-shadow(0 14px 28px rgba(0,0,0,.45))}
.auth-switch{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-weight:800;text-align:center}.auth-switch a{color:#fff;font-weight:1000;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}.auth-switch a:hover{color:#fff}.register-card{width:min(560px,100%)}.register-wrap{padding-block:32px}
.logo-preview{width:100%;max-width:260px;height:104px;border:0;background:transparent;padding:0;display:flex;place-items:unset;align-items:center;justify-content:flex-start;box-shadow:none}.logo-preview img{display:block;max-width:100%;max-height:104px;object-fit:contain;border-radius:0;filter:drop-shadow(0 10px 22px rgba(0,0,0,.38))}.brand-preview-card{align-items:center}.brand-preview-logo{width:112px;height:72px;border-radius:0;background:transparent;padding:0;overflow:visible}.brand-preview-logo img{width:100%;height:100%;object-fit:contain;border-radius:0;filter:drop-shadow(0 10px 22px rgba(0,0,0,.38))}
@media (max-width:980px){.brand-logo-only{height:52px;max-width:210px}.brand-logo-only img{max-height:50px;max-width:min(210px,52vw)}}
@media (max-width:560px){.topbar{gap:12px}.brand-logo-only{height:46px;max-width:180px}.brand-logo-only img{max-height:44px;max-width:min(180px,48vw)}.user-pill{font-size:.8rem;padding:7px 10px;max-width:42vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.login-logo-img{max-height:84px}.auth-switch{display:grid;gap:6px}.register-card{padding:22px}.logo-preview{height:96px}.brand-preview-logo{width:92px;height:62px}}

/* Atualização: capa do curso, catálogo de treinos, PWA e splash */
.admin-course-cover{width:92px;height:54px;border-radius:14px;background-size:cover;background-position:center;background-color:#202033;border:1px solid var(--line);box-shadow:inset 0 0 0 1px rgba(255,255,255,.04)}
.course-cover-preview{height:190px;background-size:cover;background-position:center}.course-card-cover .course-cover{background-size:cover;background-position:center;position:relative;align-items:flex-end;justify-content:flex-start;padding:14px}.course-card-cover .course-cover span{width:46px;height:46px;border-radius:999px;background:rgba(0,0,0,.62);display:grid;place-items:center;font-size:1rem;box-shadow:0 10px 28px rgba(0,0,0,.35)}
.course-cover-hero{background-size:cover!important;background-position:center!important;min-height:310px;align-items:flex-end;box-shadow:var(--shadow), inset 0 0 0 1px rgba(255,255,255,.06)}
.section-title-line{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:26px 0 12px}.section-title-line h2{margin:3px 0 0;font-size:clamp(1.5rem,4vw,2.4rem);letter-spacing:-.045em}
.catalog-head{align-items:flex-end}.catalog-filter-panel{margin-bottom:24px}.catalog-search{display:grid;grid-template-columns:1fr minmax(210px,280px) auto;gap:10px;align-items:center}.category-pills{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}.category-pill{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.06);font-weight:900;color:#e8e8ee}.category-pill small{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 7px;border-radius:999px;background:rgba(255,255,255,.10);color:#fff}.category-pill.active,.category-pill:hover{border-color:rgba(255,255,255,.24);background:linear-gradient(135deg,rgba(255,255,255,.16),rgba(255,255,255,.08))}
.catalog-section{margin:28px 0}.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.catalog-course-card{border:1px solid var(--line);border-radius:26px;overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));box-shadow:0 18px 54px rgba(0,0,0,.24);transition:.2s transform,.2s border,.2s box-shadow}.catalog-course-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.24);box-shadow:0 26px 68px rgba(0,0,0,.34)}.catalog-course-cover{height:190px;background-size:cover;background-position:center;position:relative;padding:14px;display:flex;align-items:flex-end;justify-content:space-between}.catalog-course-cover em{font-style:normal;font-weight:1000;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;background:rgba(0,0,0,.55);padding:7px 10px;border-radius:999px;color:#fff}.play-badge.big{width:52px;height:52px;font-size:1.05rem;left:auto;bottom:auto;position:static;box-shadow:0 12px 30px rgba(0,0,0,.38)}.catalog-course-info{padding:16px}.catalog-course-info strong{display:block;font-size:1.08rem;line-height:1.25}.catalog-course-info p{color:var(--muted);line-height:1.45;margin:8px 0;min-height:42px;max-height:64px;overflow:hidden}.catalog-course-info small{font-weight:900;color:#e6e6ef}.app-icon-preview{width:94px;height:94px;border-radius:26px;background:linear-gradient(135deg,var(--primary),var(--primary2));display:grid;place-items:center;overflow:hidden;border:1px solid rgba(255,255,255,.12);box-shadow:0 18px 44px rgba(0,0,0,.28)}.app-icon-preview img{width:100%;height:100%;object-fit:cover}.app-icon-preview span{font-weight:1000;color:#fff}.pwa-preview-card{border:1px solid var(--line);border-radius:22px;padding:16px;background:rgba(255,255,255,.045);display:flex;gap:14px;align-items:center;margin:16px 0}.mini-icon{width:64px;height:64px;border-radius:18px;flex:0 0 64px}
.mobile-nav.student-mobile-nav{display:none;grid-template-columns:1fr 1fr 1.15fr;gap:8px;padding:8px;border-radius:26px;background:rgba(13,13,22,.82)}.mobile-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:54px}.mobile-nav a span{font-size:1.05rem;line-height:1}.mobile-nav a b{font-size:.78rem}.mobile-nav .nav-main-action{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 12px 32px rgba(229,9,20,.28)}.mobile-nav .nav-main-action:hover{background:linear-gradient(135deg,var(--primary),var(--primary2))}
.install-card{position:fixed;z-index:120;left:50%;bottom:92px;transform:translateX(-50%);width:min(720px,calc(100% - 28px));display:grid;grid-template-columns:64px 1fr auto;gap:14px;align-items:center;padding:14px 16px;border-radius:24px;border:1px solid rgba(255,255,255,.16);background:linear-gradient(135deg,rgba(24,24,38,.96),rgba(12,12,22,.96));box-shadow:0 26px 80px rgba(0,0,0,.54);backdrop-filter:blur(22px)}.install-card[hidden]{display:none}.install-icon{width:64px;height:64px;border-radius:18px;background:linear-gradient(135deg,var(--primary),var(--primary2));display:grid;place-items:center;overflow:hidden;box-shadow:0 14px 34px rgba(0,0,0,.38)}.install-icon img{width:100%;height:100%;object-fit:cover}.install-icon span{font-weight:1000;color:#fff}.install-text strong{display:block;font-size:1.02rem}.install-text span{display:block;margin-top:4px;color:#d7d7e0;line-height:1.35}.install-close{position:absolute;right:10px;top:8px;border:0;background:rgba(255,255,255,.08);color:#fff;border-radius:999px;width:28px;height:28px;cursor:pointer;font-size:1.1rem}
.app-splash{position:fixed;inset:0;z-index:999;display:none;place-items:center;background:radial-gradient(circle at 50% 22%,rgba(255,255,255,.12),transparent 26%),linear-gradient(135deg,var(--brand-bg-start),var(--brand-bg-end));opacity:0;transition:.45s opacity}.app-splash.show{display:grid;opacity:1}.app-splash.hide{opacity:0}.app-splash-glow{position:absolute;width:280px;height:280px;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--primary2));filter:blur(60px);opacity:.32;animation:splashPulse 1.4s ease-in-out infinite alternate}.app-splash-card{position:relative;display:grid;place-items:center;gap:18px;text-align:center;animation:splashPop .7s cubic-bezier(.2,.8,.2,1)}.app-splash-card img{display:block;max-width:min(320px,78vw);max-height:150px;object-fit:contain;filter:drop-shadow(0 24px 44px rgba(0,0,0,.45))}.app-splash-card span{color:#eee;font-weight:900;letter-spacing:.08em;text-transform:uppercase;font-size:.78rem}.app-splash-fallback{width:104px;height:104px;border-radius:32px;background:linear-gradient(135deg,var(--primary),var(--primary2));display:grid;place-items:center;font-size:2rem;box-shadow:0 24px 70px rgba(0,0,0,.38)}@keyframes splashPulse{from{transform:scale(.88)}to{transform:scale(1.08)}}@keyframes splashPop{from{transform:translateY(18px) scale(.96);opacity:0}to{transform:none;opacity:1}}
@media (max-width:980px){.mobile-nav.student-mobile-nav,.mobile-nav.admin-mobile-nav{display:grid}.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-search{grid-template-columns:1fr}.catalog-head .btn{margin-top:14px}.course-cover-hero{min-height:260px}.install-card{grid-template-columns:54px 1fr;bottom:96px}.install-card .btn{grid-column:1/-1;width:100%}.install-icon{width:54px;height:54px;border-radius:16px}.section-title-line{align-items:flex-start}}
@media (max-width:560px){.catalog-grid{grid-template-columns:1fr}.catalog-course-cover{height:176px}.catalog-course-info p{min-height:auto}.category-pills{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}.category-pill{flex:0 0 auto}.section-title-line{display:grid}.admin-course-cover{width:76px;height:48px}.course-cover-hero{min-height:230px}.install-card{padding:12px;border-radius:22px}.install-text strong{font-size:.95rem}.install-text span{font-size:.86rem}.app-splash-card img{max-height:118px}.mobile-nav a{min-height:52px}}


/* Correção: área do aluno mais limpa, capas sem zoom e PWA sem aparecer fora de hora */
.app-splash[hidden], .install-card[hidden]{display:none!important}
.video-thumb,.thumb.mini,.small-thumb,.lesson-admin-card .small-thumb{
  background-size:contain!important;
  background-repeat:no-repeat!important;
  background-position:center!important;
  background-color:#11111c!important;
}
.stream-hero,.course-cover-hero,.course-card-cover .course-cover,.catalog-course-cover{
  background-size:cover, contain!important;
  background-repeat:no-repeat!important;
  background-position:center, center!important;
  background-color:#11111c!important;
}
.cover-preview,.admin-course-cover,.course-cover-preview{
  background-size:contain!important;
  background-repeat:no-repeat!important;
  background-position:center!important;
  background-color:#11111c!important;
}
.video-card,.course-card,.catalog-course-card{isolation:isolate}
.video-thumb::after,.catalog-course-cover::after,.course-card-cover .course-cover::after{
  content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,transparent 48%,rgba(0,0,0,.34));
}
.video-thumb .play-badge,.video-thumb .done-badge,.catalog-course-cover .play-badge,.catalog-course-cover em,.course-card-cover .course-cover span{z-index:1}
.student-welcome{position:relative;overflow:hidden;border-radius:32px;padding:34px;margin-bottom:24px;border:1px solid var(--line);background:linear-gradient(135deg,rgba(255,255,255,.10),rgba(255,255,255,.035));box-shadow:var(--shadow)}
.student-welcome:before{content:"";position:absolute;right:-90px;top:-110px;width:260px;height:260px;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--primary2));opacity:.22;filter:blur(12px)}
.student-welcome h1{position:relative;font-size:clamp(2rem,5vw,4rem);line-height:.96;margin:8px 0 12px;letter-spacing:-.055em}.student-welcome p{position:relative;color:var(--muted);max-width:720px;line-height:1.6}.student-welcome .hero-actions{position:relative}
.empty-catalog{border:1px dashed rgba(255,255,255,.20);border-radius:24px;padding:24px;background:rgba(255,255,255,.045);text-align:center;color:var(--muted)}
.mobile-nav.student-mobile-nav{left:14px;right:14px;bottom:14px;border-radius:28px;padding:9px;background:rgba(10,10,18,.84);box-shadow:0 18px 54px rgba(0,0,0,.48)}
.mobile-nav.student-mobile-nav a{border-radius:20px;min-height:58px;line-height:1.05;color:#e7e7ef}.mobile-nav.student-mobile-nav a span{font-size:1.15rem}.mobile-nav.student-mobile-nav a b{font-size:.76rem;letter-spacing:-.01em}.mobile-nav.student-mobile-nav .nav-main-action{transform:translateY(-2px);min-height:62px}
.install-card{bottom:104px}.install-text span{font-size:.92rem}
@media (max-width:560px){.student-welcome{padding:24px;border-radius:24px}.stream-hero,.course-cover-hero{min-height:310px}.video-thumb{height:170px}.mobile-nav.student-mobile-nav{left:10px;right:10px;bottom:10px}.mobile-nav.student-mobile-nav a{min-height:54px}.mobile-nav.student-mobile-nav .nav-main-action{min-height:58px}.install-card{bottom:90px}}


/* Correção mobile admin: menu inferior compacto e sem puxar para o lado */
html,body{width:100%;max-width:100%;overflow-x:hidden!important}
.topbar,.app-shell,.hero,.page-head,.course-hero,.panel,.stat-card{max-width:100%}
.mobile-nav.admin-mobile-nav{display:none}
@media (max-width:980px){
  .topbar{left:0;right:0;width:100%;max-width:100%;overflow:hidden;padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right));gap:10px}
  .brand-logo-link{flex:0 1 auto;min-width:0;max-width:58vw}
  .brand-logo-only{max-width:58vw!important;height:48px!important;overflow:visible!important}
  .brand-logo-only img{max-width:58vw!important;max-height:46px!important;object-fit:contain!important;box-shadow:none!important}
  .user-pill{flex:0 1 auto;margin-left:auto;max-width:38vw;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center}
  .app-shell{width:100%;padding-left:14px;padding-right:14px;padding-bottom:calc(106px + env(safe-area-inset-bottom))}
  .admin-hero{margin-top:0;padding:22px 20px;border-radius:26px;overflow:hidden}
  .admin-hero h1{font-size:clamp(2rem,9vw,3.1rem);line-height:1;letter-spacing:-.055em;word-break:normal}
  .admin-hero p{font-size:1rem;line-height:1.45}
  .stats-grid{gap:12px}
  .mobile-nav.admin-mobile-nav{
    display:grid!important;
    grid-template-columns:repeat(4,minmax(0,1fr));
    align-items:stretch;
    gap:6px;
    position:fixed;
    left:max(10px,env(safe-area-inset-left));
    right:max(10px,env(safe-area-inset-right));
    bottom:max(10px,env(safe-area-inset-bottom));
    width:auto;
    max-width:calc(100vw - 20px);
    min-height:0;
    padding:8px;
    border-radius:24px;
    background:rgba(12,12,22,.92);
    border:1px solid rgba(255,255,255,.12);
    box-shadow:0 18px 54px rgba(0,0,0,.48);
    backdrop-filter:blur(18px);
  }
  .mobile-nav.admin-mobile-nav a{
    min-width:0;
    min-height:54px;
    padding:8px 4px;
    border-radius:18px;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:4px;
    line-height:1.05;
    font-size:.76rem;
    color:#eeeeF7;
    background:transparent;
  }
  .mobile-nav.admin-mobile-nav a span{display:block;font-size:1.05rem;line-height:1}
  .mobile-nav.admin-mobile-nav a b{display:block;font-size:.72rem;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
}
@media (max-width:560px){
  .topbar{height:64px;padding-left:10px;padding-right:10px}
  .brand-logo-link{max-width:52vw}
  .brand-logo-only{max-width:52vw!important;height:44px!important}
  .brand-logo-only img{max-width:52vw!important;max-height:42px!important}
  .user-pill{max-width:40vw;font-size:.78rem;padding:7px 9px}
  .hero,.page-head,.course-hero{padding:22px 18px;border-radius:24px}
  .hero h1,.page-head h1,.course-hero h1,.admin-hero h1{font-size:clamp(2rem,10vw,2.8rem);line-height:1.02}
  .hero p,.page-head p,.course-hero p{font-size:.98rem;line-height:1.5}
  .mobile-nav.admin-mobile-nav{left:8px;right:8px;bottom:max(8px,env(safe-area-inset-bottom));max-width:calc(100vw - 16px);padding:7px;border-radius:22px;gap:5px}
  .mobile-nav.admin-mobile-nav a{min-height:50px;padding:7px 3px;border-radius:16px}
  .mobile-nav.admin-mobile-nav a span{font-size:1rem}.mobile-nav.admin-mobile-nav a b{font-size:.68rem}
}