:root{
  --red:#ef1b24; --red-dark:#d60e18; --ink:#0e1d33; --muted:#62718a;
  --line:#e2e8ef; --soft:#f7f9fc; --white:#fff;
  --shadow:0 18px 55px rgba(13,33,60,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:#fff}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button,input{font:inherit}
.container{max-width:1480px;margin:auto;padding:0 34px}

/* Header */
.site-header{height:86px;background:#fff;border-bottom:1px solid #edf1f5;position:sticky;top:0;z-index:50}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{min-width:195px}.brand img{height:58px;width:auto;object-fit:contain}
.nav{display:flex;gap:28px;font-weight:800;font-size:14px}
.nav a{padding:10px 0;border-bottom:3px solid transparent}
.nav a:hover,.nav a.active{color:var(--red);border-color:var(--red)}
.header-actions{display:flex;align-items:center;gap:10px}
.lang{font-weight:750;font-size:14px}
.btn{padding:12px 19px;border-radius:10px;border:1px solid var(--ink);font-weight:850;background:#fff}
.btn-primary{background:var(--red);color:#fff;border-color:var(--red)}
.version-badge{font-size:12px;color:#607189;background:#f2f5f9;padding:9px 10px;border-radius:9px}

/* Hero */
.hero-v108{background:linear-gradient(90deg,#f9fbfd 0%,#fff 37%,#eef4f8 100%);overflow:hidden}
.hero-v108-grid{min-height:590px;display:grid;grid-template-columns:41% 34% 25%;align-items:stretch;padding-top:16px;padding-bottom:16px}
.hero-copy{padding:48px 38px 36px 0;display:flex;flex-direction:column;justify-content:center;z-index:2}
.eyebrow{font-size:12px;letter-spacing:.18em;color:var(--red);font-weight:900}
h1{font-size:62px;line-height:1.04;letter-spacing:-.045em;margin:18px 0 14px}
h1 span{color:var(--red)}
.lead{font-size:19px;line-height:1.55;color:var(--muted);max-width:610px;margin:0}
.hero-benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
.hero-benefit{text-align:center;min-width:0}
.round-icon{width:48px;height:48px;border-radius:50%;margin:0 auto 8px;background:#ffe9ea;display:grid;place-items:center;font-size:23px}
.hero-benefit b{display:block;font-size:14px;line-height:1.15}
.hero-benefit small{display:block;color:var(--muted);font-size:12px;line-height:1.35;margin-top:5px}
.hero-cta-row{display:flex;align-items:center;gap:26px;margin-top:30px}
.hero-cta{background:var(--red);color:#fff;border-radius:9px;padding:16px 31px;font-weight:900;box-shadow:0 10px 24px rgba(239,27,36,.18)}
.video-link{font-weight:850}
.hero-note{font-size:13px;color:var(--muted);margin:15px 0 0}

.hero-photo-wrap{position:relative;min-width:0}
.hero-photo{width:100%;height:100%;min-height:558px;object-fit:cover;object-position:center;border-radius:24px 0 0 24px}

/* Authentication card: its own column, never overlays another card */
.auth-card-v108{margin:44px 0 44px -10px;align-self:center;background:#fff;border:1px solid #e5ebf1;border-radius:18px;padding:27px;box-shadow:var(--shadow);z-index:4}
.auth-card-v108 h2{font-size:30px;margin:0 0 5px}
.auth-card-v108 p{color:var(--muted);margin:0 0 18px}
.tabs{display:flex;background:#f2f5f8;border-radius:10px;padding:4px;margin-bottom:13px}
.tabs button{flex:1;border:0;background:transparent;padding:9px;border-radius:8px;font-weight:850;cursor:pointer}
.tabs button.active{background:#fff;color:var(--red);box-shadow:0 2px 8px rgba(0,0,0,.07)}
.field{margin:10px 0}.field input{width:100%;border:1px solid #dbe3eb;border-radius:9px;padding:14px 15px;outline:none}
.field input:focus{border-color:#f06b71;box-shadow:0 0 0 3px rgba(239,27,36,.08)}
.submit{width:100%;border:0;border-radius:9px;padding:14px;background:var(--red);color:#fff;font-weight:900;cursor:pointer}
.forgot{display:block;margin:11px auto 0;border:0;background:transparent;color:#1767cc;cursor:pointer;font-size:13px}
.auth-divider{display:flex;align-items:center;gap:10px;color:#7d8a9b;font-size:12px;margin:17px 0}
.auth-divider:before,.auth-divider:after{content:"";height:1px;background:#dfe5eb;flex:1}
.social-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.social-btn{border:1px solid #dfe5eb;border-radius:9px;background:#fafbfd;padding:9px 4px;font-size:18px;cursor:pointer}
.social-btn span{font-size:11px;color:var(--ink)}
.status{display:none;margin-top:12px;border-radius:9px;padding:10px 11px;font-size:12px}
.status.ok{display:block;background:#eafaf1;color:#087241}
.status.err{display:block;background:#fff0f1;color:#a31e27}
.auth-note{text-align:center;color:#7a8797;font-size:11px;margin-top:11px}

/* Signed-in view replaces login view completely */
.signed-in-panel{text-align:center;padding:8px 0}
.signed-in-icon{width:60px;height:60px;border-radius:50%;background:#eafaf1;color:#0b824b;display:grid;place-items:center;font-size:30px;font-weight:900;margin:0 auto 13px}
.signed-in-eyebrow{font-size:11px;letter-spacing:.18em;color:#0b824b;font-weight:900}
.signed-in-panel h2{margin:8px 0 5px;font-size:28px}
.signed-in-copy{margin-bottom:18px!important}
.account-meta{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:17px 0}
.account-meta div{background:#f6f8fb;border-radius:10px;padding:12px}
.account-meta span{display:block;color:#7c8999;font-size:11px}.account-meta b{font-size:13px}
.account-actions{display:grid;gap:9px}
.dashboard-btn{background:var(--red);color:#fff;border-radius:9px;padding:13px;font-weight:900}
.logout-btn{border:1px solid #dfe5eb;background:#fff;border-radius:9px;padding:12px;font-weight:850;cursor:pointer}

/* Stats */
.stats-bar{border-top:1px solid #edf1f5;border-bottom:1px solid #edf1f5;background:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);padding-top:20px;padding-bottom:20px}
.stat{display:flex;align-items:center;justify-content:center;gap:13px;padding:0 20px;border-right:1px solid #e4e9ef}
.stat:last-child{border-right:0}.stat>span{font-size:28px;color:var(--red)}
.stat b{display:block;font-size:16px}.stat small{display:block;color:var(--muted);margin-top:2px}

/* Resource cards */
.success-section{padding:38px 0 54px;background:#fff}
.success-head{text-align:center;margin-bottom:26px}
.success-head h2{font-size:38px;letter-spacing:-.035em;margin:0 0 6px}
.success-head p{margin:0;color:var(--muted);font-size:16px}
.resource-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.resource-card{display:grid;grid-template-columns:42% 58%;min-height:175px;border:1px solid #e4e9ef;border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 8px 25px rgba(14,29,51,.07);transition:.2s}
.resource-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(14,29,51,.12)}
.resource-card img{width:100%;height:100%;object-fit:cover}
.resource-content{padding:18px 16px}.resource-content h3{margin:0 0 8px;font-size:18px}.resource-content p{margin:0;color:var(--muted);font-size:14px;line-height:1.4}
.resource-content span{display:block;color:var(--red);font-weight:900;font-size:13px;margin-top:16px}

/* Existing internal pages */
.section{padding:74px 0}.section-soft{background:var(--soft)}
.section h2{font-size:40px;letter-spacing:-.03em;margin:0 0 8px}.section p{color:var(--muted);font-size:17px;line-height:1.6}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{position:relative;border-radius:18px;overflow:hidden;min-height:250px;background:#e9eef4;box-shadow:0 10px 28px rgba(16,33,58,.08)}
.card img{width:100%;height:250px;object-fit:cover}
.card-label{position:absolute;left:14px;right:14px;bottom:14px;background:#fff;border-radius:10px;padding:13px 14px;font-weight:900}
.split{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center}
.split img{border-radius:22px;box-shadow:var(--shadow);width:100%;height:430px;object-fit:cover}
.kicker{color:var(--red);text-transform:uppercase;letter-spacing:.16em;font-weight:900;font-size:12px}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.pill{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:750;font-size:13px}
.page-hero{padding:62px 0 34px;background:linear-gradient(135deg,#fff,#f6f9fd)}.page-hero h1{font-size:50px}
.page-grid{display:grid;grid-template-columns:260px 1fr;gap:28px;padding:34px 0 80px}
.sidebar{border:1px solid var(--line);border-radius:16px;padding:16px;height:max-content;position:sticky;top:110px;background:#fff}
.sidebar a{display:block;padding:12px 13px;border-radius:10px;font-weight:750}.sidebar a.active,.sidebar a:hover{background:#fff0f1;color:var(--red)}
.panel{border:1px solid var(--line);border-radius:18px;background:#fff;padding:24px;box-shadow:0 7px 24px rgba(16,33,58,.05)}
.panel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mini-card{border:1px solid var(--line);border-radius:14px;padding:18px;background:#fff}
.mini-card img{border-radius:12px;height:170px;width:100%;object-fit:cover;margin-bottom:14px}

/* Footer */
.footer-v108{background:#0d1b2d;color:#d8e0ea;padding:20px 0}
.footer-inner{display:grid;grid-template-columns:1.3fr .8fr 1fr;align-items:center;gap:20px}
.footer-brand{display:flex;align-items:center;gap:20px}.footer-brand img{height:44px;background:#fff;border-radius:6px}.footer-brand span{font-size:13px}
.footer-links{display:flex;justify-content:center;gap:18px;font-size:13px}.footer-copy{text-align:right;font-size:12px;color:#aeb9c8}

/* Responsive */
@media(max-width:1180px){
  .nav{display:none}.version-badge{display:none}
  .hero-v108-grid{grid-template-columns:50% 50%;padding-top:24px}
  .hero-copy{grid-column:1}.hero-photo-wrap{grid-column:2}
  .auth-card-v108{grid-column:1 / -1;margin:-55px auto 30px;width:min(520px,92%)}
  .resource-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .container{padding:0 18px}.site-header{height:72px}.brand{min-width:auto}.brand img{height:45px}
  .header-actions .lang,.header-actions .btn:first-of-type{display:none}.header-actions .btn{padding:10px 12px;font-size:12px}
  .hero-v108-grid{display:block;padding-top:10px}.hero-copy{padding:34px 0 24px}h1{font-size:45px}
  .hero-benefits{grid-template-columns:1fr 1fr}.hero-photo{min-height:420px;border-radius:18px}
  .auth-card-v108{margin:-45px auto 25px;position:relative;width:94%}.hero-cta-row{flex-direction:column;align-items:flex-start}
  .stats-grid{grid-template-columns:1fr 1fr}.stat{border-right:0;border-bottom:1px solid #edf1f5;justify-content:flex-start;padding:14px 6px}
  .resource-grid{grid-template-columns:1fr}.resource-card{grid-template-columns:38% 62%}
  .footer-inner{grid-template-columns:1fr;text-align:center}.footer-brand,.footer-links{justify-content:center}.footer-copy{text-align:center}
  .page-grid{grid-template-columns:1fr}.sidebar{position:static}.panel-grid{grid-template-columns:1fr}
}


/* v1.0.9 TEST — approved visual refinement */
.lang-menu{position:relative}
.lang-button{border:0;background:transparent;font-weight:800;color:var(--ink);padding:12px 8px;cursor:pointer;white-space:nowrap}
.lang-button .chev{display:inline-block;margin-left:4px;transition:transform .18s}
.lang-button[aria-expanded="true"] .chev{transform:rotate(180deg)}
.lang-dropdown{display:none;position:absolute;top:46px;right:0;min-width:145px;background:#fff;border:1px solid var(--line);border-radius:11px;box-shadow:0 14px 35px rgba(14,29,51,.14);padding:6px;z-index:80}
.lang-dropdown.open{display:block}
.lang-dropdown button{width:100%;text-align:left;border:0;background:#fff;border-radius:8px;padding:10px 12px;font-weight:750;cursor:pointer}
.lang-dropdown button:hover{background:#f5f7fa;color:var(--red)}
.header-user{display:flex;align-items:center;gap:8px;font-weight:850;font-size:13px;white-space:nowrap}
.user-avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#0e1d33;color:#fff;font-size:11px}

.hero-v109{background:linear-gradient(90deg,#f8fbff 0%,#fff 42%,#eef3f7 100%);overflow:hidden}
.hero-v109-grid{min-height:525px;display:grid;grid-template-columns:39% 61%;align-items:stretch;padding-top:0;padding-bottom:0}
.hero-v109 .hero-copy{padding:44px 34px 42px 0}
.hero-v109 h1{font-size:50px;margin:15px 0 12px}
.hero-v109 h1 .ink{color:var(--ink)}
.hero-v109 .lead{font-size:17px;max-width:550px}
.hero-v109 .hero-benefits{margin-top:24px;gap:10px}
.hero-v109 .hero-benefit b{min-height:32px}
.hero-v109 .hero-cta{display:inline-block;align-self:flex-start;margin-top:25px;padding:15px 34px}

.hero-visual{position:relative;min-width:0;min-height:525px;background:#e9eef2}
.hero-photo-v109{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:left center}
.hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,0) 45%,rgba(13,29,51,.06) 100%);pointer-events:none}
.auth-card-v109{position:absolute;right:28px;top:50%;transform:translateY(-50%);width:min(360px,43%);background:rgba(255,255,255,.97);border:1px solid rgba(226,232,239,.9);border-radius:16px;padding:24px;box-shadow:0 18px 55px rgba(13,33,60,.18);z-index:4}
.auth-card-v109 h2{font-size:28px;margin:0 0 5px}
.auth-card-v109 p{color:var(--muted);margin:0 0 16px}
.auth-card-v109 .signed-in-panel{padding:4px 0}
.auth-card-v109 .signed-in-icon{width:58px;height:58px}
.auth-card-v109 .account-meta div{background:transparent;border-radius:0}
.auth-card-v109 .account-meta div+div{border-left:1px solid var(--line)}
.resource-card img{filter:saturate(.96) contrast(1.02)}
.resource-content h3{display:flex;align-items:center;gap:5px}

@media(max-width:1180px){
  .hero-v109-grid{grid-template-columns:1fr}
  .hero-v109 .hero-copy{padding-right:0}
  .hero-visual{min-height:560px;border-radius:20px;overflow:hidden;margin-bottom:26px}
  .auth-card-v109{right:24px;width:390px;max-width:45%}
}
@media(max-width:760px){
  .header-actions .lang-menu{display:block}
  .lang-button{font-size:0;padding:10px 4px}.lang-button:before{content:"🌐";font-size:18px}.lang-button .chev{font-size:12px}
  .hero-v109 .hero-copy{padding:32px 0 24px}.hero-v109 h1{font-size:42px}
  .hero-visual{min-height:720px}
  .hero-photo-v109{height:390px;position:relative;object-position:center}
  .auth-card-v109{position:relative;top:auto;right:auto;transform:none;width:calc(100% - 24px);max-width:none;margin:-20px auto 18px}
}


/* v1.0.48-TEST — internal learning pages */
.internal-hero{background:linear-gradient(135deg,#f8fbff 0%,#fff 52%,#f3f6f9 100%);border-bottom:1px solid #e9eef3}
.internal-hero-grid{min-height:455px;display:grid;grid-template-columns:48% 52%;align-items:center;gap:38px;padding-top:38px;padding-bottom:38px}
.internal-hero-copy h1{font-size:52px;line-height:1.04;letter-spacing:-.04em;margin:12px 0 17px}
.internal-hero-copy h1 span{color:var(--red)}
.internal-hero-copy>p{font-size:18px;line-height:1.6;color:var(--muted);max-width:660px;margin:0}
.internal-tags{display:flex;flex-wrap:wrap;gap:9px;margin:23px 0 25px}
.internal-tags span{background:#fff;border:1px solid #dfe6ed;border-radius:999px;padding:9px 12px;font-size:12px;font-weight:800;color:#485a70}
.internal-hero .hero-cta{display:inline-block}
.internal-visual{height:370px;border-radius:22px;overflow:hidden;box-shadow:0 18px 50px rgba(14,29,51,.14);position:relative;background:#edf2f7}
.internal-visual img{width:100%;height:100%;object-fit:cover}
.internal-visual:after{content:"";position:absolute;inset:0;border:1px solid rgba(255,255,255,.45);border-radius:22px;pointer-events:none}
.ai-visual{background:radial-gradient(circle at center,#f9fdff 0%,#dce8f4 65%,#cbd9e7 100%)}
.ai-visual img{object-fit:contain;padding:24px;position:relative;z-index:2}
.ai-glow{position:absolute;width:220px;height:220px;border-radius:50%;background:rgba(55,149,255,.20);filter:blur(35px);left:50%;top:50%;transform:translate(-50%,-50%)}

.internal-page-grid{padding-top:36px;padding-bottom:70px}
.internal-sidebar{background:#fff;box-shadow:0 8px 25px rgba(14,29,51,.05)}
.content-card{border:1px solid #e1e7ed;border-radius:18px;background:#fff;padding:28px}
.premium-card{box-shadow:0 10px 32px rgba(14,29,51,.06)}
.section-title-row{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}
.section-title-row h2{font-size:31px;line-height:1.18;margin:6px 0 9px;letter-spacing:-.025em}
.section-title-row+p,.premium-card>p{color:var(--muted);font-size:16px;line-height:1.7}
.soft-badge{white-space:nowrap;background:#f3f7fb;color:#53657a;border:1px solid #e1e7ed;border-radius:999px;padding:8px 11px;font-size:11px;font-weight:850}

.visual-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:20px 0}
.visual-card{border:1px solid #e1e7ed;border-radius:17px;overflow:hidden;background:#fff;box-shadow:0 8px 25px rgba(14,29,51,.06)}
.visual-card img{width:100%;height:185px;object-fit:cover}
.visual-card>div{padding:18px}
.visual-card small{font-size:10px;letter-spacing:.15em;color:var(--red);font-weight:900}
.visual-card h3{margin:6px 0 7px;font-size:20px}
.visual-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.5}
.skill-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}
.skill-grid>div{background:#f7f9fc;border-radius:13px;padding:16px}
.skill-grid b{font-size:16px}.skill-grid p{font-size:13px;color:var(--muted);line-height:1.45;margin:5px 0 0}

.ai-feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:20px 0}
.ai-feature-grid article{border:1px solid #e1e7ed;border-radius:17px;background:#fff;padding:22px;box-shadow:0 8px 25px rgba(14,29,51,.05)}
.feature-glyph{width:48px;height:48px;border-radius:13px;background:#fff0f1;display:grid;place-items:center;font-size:23px}
.ai-feature-grid h3{margin:13px 0 7px}.ai-feature-grid p{margin:0;color:var(--muted);line-height:1.55}
.conversation-demo{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center;background:#0e1d33;color:#fff;border-radius:19px;padding:28px;margin-top:20px}
.conversation-demo p{color:#c4cfdb;line-height:1.6}
.demo-label{font-size:10px;letter-spacing:.17em;color:#ff7076;font-weight:900}
.chat-preview{display:grid;gap:10px}.chat{padding:12px 14px;border-radius:14px;font-size:13px;line-height:1.45}.chat.ai{background:#fff;color:#17263a;margin-right:36px}.chat.student{background:#ef1b24;margin-left:36px}

.library-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:20px}
.library-grid article{border:1px solid #e1e7ed;border-radius:17px;background:#fff;padding:23px;box-shadow:0 8px 25px rgba(14,29,51,.05)}
.lib-icon{width:50px;height:50px;border-radius:14px;background:#fff0f1;display:grid;place-items:center;font-size:24px}
.library-grid h3{font-size:20px;margin:13px 0 7px}.library-grid p{color:var(--muted);line-height:1.55;margin:0}.library-grid span{display:block;color:var(--red);font-weight:850;font-size:13px;margin-top:13px}

.community-space-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:20px}
.community-space-grid article{display:flex;gap:16px;border:1px solid #e1e7ed;border-radius:17px;background:#fff;padding:22px;box-shadow:0 8px 25px rgba(14,29,51,.05)}
.community-icon{flex:0 0 50px;height:50px;border-radius:14px;background:#fff0f1;display:grid;place-items:center;font-size:23px}
.community-space-grid h3{margin:2px 0 7px;font-size:20px}.community-space-grid p{margin:0;color:var(--muted);line-height:1.55}

@media(max-width:1000px){
  .internal-hero-grid{grid-template-columns:1fr}
  .internal-visual{height:420px}
  .visual-card-grid{grid-template-columns:1fr}
  .visual-card{display:grid;grid-template-columns:40% 60%}.visual-card img{height:100%}
  .skill-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .internal-hero-grid{padding-top:28px;padding-bottom:28px;gap:24px}
  .internal-hero-copy h1{font-size:40px}.internal-hero-copy>p{font-size:16px}
  .internal-visual{height:320px}
  .section-title-row{display:block}.soft-badge{display:inline-block;margin-top:4px}
  .visual-card{display:block}.visual-card img{height:190px}
  .skill-grid,.ai-feature-grid,.library-grid,.community-space-grid,.conversation-demo{grid-template-columns:1fr}
  .chat.ai,.chat.student{margin:0}
}


/* v1.0.48-TEST — premium image treatment */
.premium-photo-frame{
  isolation:isolate;
  background:#e9eef4;
  border:1px solid rgba(255,255,255,.8);
}
.premium-photo-frame img{
  width:100%;height:100%;object-fit:cover;
  image-rendering:auto;
  filter:contrast(1.02) saturate(.96);
  transform:scale(1.002);
}
.premium-photo-frame:before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,transparent 48%,rgba(9,24,42,.36) 100%);
}
.photo-accent{
  position:absolute;left:24px;bottom:22px;z-index:3;
  padding:13px 17px;border-radius:13px;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(12px);
  box-shadow:0 10px 30px rgba(10,27,47,.15);
}
.photo-accent span{
  display:block;color:#ef1b24;font-size:10px;letter-spacing:.17em;font-weight:900;margin-bottom:3px;
}
.photo-accent b{font-size:16px;color:#0e1d33}

.premium-ai-frame{
  background:linear-gradient(145deg,#f9fcff,#e7eff7);
  border:1px solid #dce5ee;
  overflow:hidden;
}
.premium-ai-frame img{
  width:100%;height:100%;object-fit:cover;
}

.library-collage{
  display:grid;
  grid-template-columns:64% 36%;
  gap:10px;
  padding:10px;
  background:#eef3f7;
  border:1px solid #dde6ed;
}
.library-photo-main,.library-photo-side{min-width:0;overflow:hidden;border-radius:14px}
.library-photo-main img,.library-photo-side img{width:100%;height:100%;object-fit:cover;filter:contrast(1.03) saturate(.94)}
.library-photo-side img{object-position:left center}

.visual-card img{
  image-rendering:auto;
  filter:contrast(1.03) saturate(.95);
}
.visual-card{overflow:hidden}
.visual-card img{transition:transform .35s ease}
.visual-card:hover img{transform:scale(1.025)}

.internal-visual{
  box-shadow:0 20px 50px rgba(14,29,51,.13);
}
.internal-visual:after{
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.38);
}


/* v1.0.48-TEST — image quality correction */
.premium-illustration-frame{
  background:#f4f8fb;
  border:1px solid #dfe7ee;
  border-radius:22px;
  overflow:hidden;
  box-shadow:0 20px 50px rgba(14,29,51,.12);
}
.premium-illustration-frame img{
  width:100%;
  height:100%;
  object-fit:contain !important;
  object-position:center !important;
  display:block;
  padding:0;
  filter:none !important;
  transform:none !important;
}
.premium-illustration-frame:before,
.premium-illustration-frame:after{display:none!important}

.visual-card img{
  object-fit:contain !important;
  object-position:center !important;
  background:#f6f9fc;
  padding:8px;
  filter:none !important;
  transform:none !important;
}
.visual-card:hover img{transform:none !important}

/* prevent stretched/cropped images on the four internal pages */
body:has(.internal-page-grid) .internal-visual img{
  image-rendering:auto;
  max-width:100%;
  max-height:100%;
}


/* v1.0.48-TEST — private student environment */
.student-app-body{background:#f4f7fa;color:#10243a}
.student-topbar{height:72px;background:#fff;border-bottom:1px solid #e2e8ef;display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:60}
.student-brand img{height:48px;width:auto}
.student-top-actions{display:flex;align-items:center;gap:13px}
.student-logout,.back-dashboard{border:1px solid #d9e1e8;background:#fff;border-radius:10px;padding:10px 15px;font-weight:800;color:#10243a;cursor:pointer}
.student-shell{display:grid;grid-template-columns:255px 1fr;min-height:calc(100vh - 72px)}
.student-nav{background:#0e1d33;color:#fff;padding:24px 17px;display:flex;flex-direction:column}
.student-profile{display:flex;gap:12px;align-items:center;padding:0 6px 22px;border-bottom:1px solid rgba(255,255,255,.1)}
.student-avatar{width:43px;height:43px;border-radius:13px;background:#ef1b24;display:grid;place-items:center;font-weight:900}
.student-profile b,.student-profile small{display:block}.student-profile small{color:#93a5b8;font-size:11px;margin-top:3px}
.student-nav nav{display:grid;gap:5px;margin-top:20px}
.student-nav nav a{display:flex;gap:11px;align-items:center;padding:12px 13px;border-radius:11px;color:#cbd5df;font-weight:750;font-size:14px}
.student-nav nav a:hover,.student-nav nav a.active{background:#1a3048;color:#fff}
.student-nav-note{margin-top:auto;background:#162b42;border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:15px}
.student-nav-note small{color:#ef6b71;letter-spacing:.15em;font-weight:900}.student-nav-note b{display:block;margin:6px 0}.student-nav-note p{margin:0;color:#9eb0c2;font-size:12px;line-height:1.5}
.compact-nav{padding-top:14px}.compact-nav nav{margin-top:0}
.student-main{padding:34px;max-width:1500px;width:100%;margin:0 auto}
.student-welcome{display:flex;align-items:center;justify-content:space-between;gap:30px;background:#fff;border:1px solid #e0e7ee;border-radius:20px;padding:28px 30px;box-shadow:0 10px 32px rgba(14,29,51,.05)}
.student-welcome h1{font-size:38px;margin:7px 0 7px;letter-spacing:-.035em}.student-welcome p{margin:0;color:#66788d;max-width:790px;line-height:1.6}
.level-orb,.homework-summary{min-width:175px;text-align:center;padding:18px 20px;background:#f7f9fc;border-radius:16px;border:1px solid #e1e7ed}
.level-orb small,.homework-summary small{display:block;color:#7c8b9b;font-size:10px;font-weight:900;letter-spacing:.13em}
.level-orb strong,.homework-summary strong{display:block;font-size:38px;color:#ef1b24;margin:4px 0}.level-orb span,.homework-summary span{font-size:12px;color:#607085}
.student-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0}
.student-metrics article{background:#fff;border:1px solid #e1e7ed;border-radius:16px;padding:18px;display:flex;gap:12px;align-items:center}
.student-metrics article>span{width:45px;height:45px;border-radius:13px;background:#fff0f1;display:grid;place-items:center;font-size:21px}
.student-metrics small{display:block;color:#7a8999;font-size:11px}.student-metrics b{font-size:24px}
.student-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.student-panel{background:#fff;border:1px solid #e1e7ed;border-radius:18px;padding:23px;box-shadow:0 9px 27px rgba(14,29,51,.04)}
.panel-head{display:flex;justify-content:space-between;gap:15px;align-items:flex-start}.panel-head small{color:#ef1b24;font-size:10px;letter-spacing:.14em;font-weight:900}.panel-head h2{margin:5px 0;font-size:22px}.panel-head a{color:#ef1b24;font-size:12px;font-weight:850}
.next-panel>p{color:#66788d;line-height:1.6}.assignment-meta{display:flex;gap:8px;flex-wrap:wrap;margin:17px 0}.assignment-meta span{font-size:11px;padding:7px 9px;background:#f3f6f9;border-radius:999px;font-weight:750}
.dashboard-primary{display:inline-block;background:#ef1b24;color:#fff;padding:12px 17px;border-radius:10px;font-weight:900;border:0;cursor:pointer}
.mini-level-path{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:15px}
.mini-level{border:1px solid #e1e7ed;border-radius:12px;padding:11px}.mini-level b{display:block;font-size:17px}.mini-level span{font-size:10px;color:#7b8999}.mini-level.active{background:#fff0f1;border-color:#ffcdd1}.mini-level.active b{color:#ef1b24}
.dashboard-assignment-list{display:grid;gap:9px;margin-top:12px}.dash-assignment{display:grid;grid-template-columns:42px 1fr auto;gap:10px;align-items:center;border:1px solid #e6ebf0;border-radius:12px;padding:10px}
.assignment-level{width:38px;height:38px;border-radius:10px;background:#f2f5f8;display:grid;place-items:center;font-weight:900}.dash-assignment b,.dash-assignment small{display:block}.dash-assignment small{color:#7b8998;font-size:10px;margin-top:3px}.dash-assignment em{font-style:normal;font-size:10px;font-weight:850;color:#ef1b24}.dash-assignment em.done{color:#138657}
.tool-shortcuts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}.tool-shortcuts a{border:1px solid #e2e8ee;border-radius:13px;padding:15px;text-align:center}.tool-shortcuts span{font-size:24px}.tool-shortcuts b,.tool-shortcuts small{display:block}.tool-shortcuts small{color:#7c8998;font-size:10px;margin-top:3px}

.assessment-notice{display:flex;justify-content:space-between;gap:20px;align-items:center;background:#fff8e7;border:1px solid #f2dfaa;border-radius:16px;padding:17px 20px;margin:18px 0}.assessment-notice p{margin:4px 0 0;color:#7d6b3a}.assessment-notice>span{background:#fff;border:1px solid #ead89f;border-radius:999px;padding:8px 10px;font-size:10px;font-weight:900}
.levels-grid{display:grid;gap:14px;margin-top:20px}.level-card{position:relative;display:grid;grid-template-columns:90px 1fr;gap:20px;background:#fff;border:1px solid #e1e7ed;border-radius:17px;padding:22px}.level-card.current{border-color:#ef9ca1;box-shadow:0 0 0 3px rgba(239,27,36,.05)}
.level-code{height:76px;border-radius:16px;background:#10243a;color:#fff;display:grid;place-items:center;font-size:28px;font-weight:900}.level-card.current .level-code{background:#ef1b24}.level-card small{color:#ef1b24;font-size:10px;letter-spacing:.14em;font-weight:900}.level-card h2{margin:5px 0 7px}.level-card p{color:#66788d;margin:0;line-height:1.55}.level-skills{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px}.level-skills span{background:#f3f6f9;border-radius:999px;padding:7px 9px;font-size:11px}.current-chip{position:absolute;right:18px;top:18px;color:#ef1b24;font-size:10px}

.homework-toolbar{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.filter-btn{border:1px solid #dce4eb;background:#fff;border-radius:999px;padding:9px 14px;font-weight:800;cursor:pointer}.filter-btn.active{background:#10243a;color:#fff;border-color:#10243a}
.homework-list{display:grid;gap:14px}.homework-card{display:grid;grid-template-columns:75px 1fr;background:#fff;border:1px solid #e1e7ed;border-radius:17px;overflow:hidden}.homework-level{background:#10243a;color:#fff;display:grid;place-items:center;font-size:23px;font-weight:900}.homework-content{padding:20px}.homework-top,.homework-bottom{display:flex;justify-content:space-between;gap:15px;align-items:center}.homework-top span{color:#ef1b24;font-size:10px;letter-spacing:.14em;font-weight:900}.homework-top em{font-style:normal;color:#718196;font-size:11px}.homework-card h2{margin:8px 0 7px}.homework-card p{margin:0;color:#66788d;line-height:1.55}.homework-bottom{margin-top:15px}.homework-bottom button{border:0;background:transparent;color:#ef1b24;font-weight:900;cursor:pointer}.submitted{color:#118557;font-weight:850}.pending{color:#b27612;font-weight:850}
.submission-modal{position:fixed;inset:0;background:rgba(7,18,31,.55);display:grid;place-items:center;padding:20px;z-index:100}.submission-modal.hidden{display:none}.submission-card{position:relative;width:min(720px,96vw);background:#fff;border-radius:20px;padding:28px;box-shadow:0 25px 80px rgba(0,0,0,.25)}.modal-x{position:absolute;right:18px;top:14px;border:0;background:transparent;font-size:28px;cursor:pointer}.submission-card>small{color:#ef1b24;font-weight:900;letter-spacing:.13em}.submission-card h2{margin:8px 0}.submission-card p{color:#66788d;line-height:1.6}.submission-card textarea{width:100%;border:1px solid #dce4eb;border-radius:13px;padding:14px;resize:vertical;outline:none}.submission-card textarea:focus{border-color:#ef777d;box-shadow:0 0 0 3px rgba(239,27,36,.07)}.submission-status{min-height:22px;color:#128257;font-size:12px;margin:8px 0}.full-submit{width:100%}
.loading-line,.empty-state{padding:20px;color:#7c8998;text-align:center}

@media(max-width:1000px){.student-shell{grid-template-columns:1fr}.student-nav{display:none}.student-grid{grid-template-columns:1fr}.student-main{padding:22px}.student-metrics{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.student-welcome{display:block}.level-orb,.homework-summary{margin-top:18px}.student-metrics{grid-template-columns:1fr}.tool-shortcuts{grid-template-columns:1fr}.level-card{grid-template-columns:60px 1fr}.level-code{height:60px}.student-main{padding:14px}.student-topbar{padding:0 15px}.student-brand img{height:42px}}


/* v1.0.48-TEST — authenticated public header */
.header-student-area{display:flex;align-items:center;gap:8px}
.myctrl-btn{background:#10243a;color:#fff;border-radius:10px;padding:11px 15px;font-size:13px;font-weight:900}
.mini-logout{border:1px solid #dbe3ea;background:#fff;border-radius:10px;padding:10px 12px;font-weight:800;cursor:pointer}
.next-actions{display:flex;gap:9px;flex-wrap:wrap}
.dashboard-secondary{display:inline-block;border:1px solid #dbe3ea;background:#fff;color:#10243a;padding:11px 15px;border-radius:10px;font-weight:850}

.dashboard-lesson-list{display:grid;gap:9px;margin-top:12px}
.dash-lesson{display:grid;grid-template-columns:52px 1fr auto;gap:10px;align-items:center;border:1px solid #e6ebf0;border-radius:12px;padding:10px}
.lesson-num{width:48px;height:40px;border-radius:10px;background:#10243a;color:#fff;display:grid;place-items:center;font-weight:900;font-size:11px}
.dash-lesson b,.dash-lesson small{display:block}.dash-lesson small{color:#7b8998;font-size:10px;margin-top:3px}
.dash-lesson em{font-style:normal;font-size:10px;font-weight:850;color:#ef1b24}.dash-lesson em.done{color:#138657}

/* My Lessons */
.lesson-filter-row{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}
.lessons-list{display:grid;gap:13px}
.lesson-level-heading{display:flex;align-items:center;gap:13px;margin:22px 0 2px}
.lesson-level-heading>span{width:52px;height:52px;border-radius:14px;background:#ef1b24;color:#fff;display:grid;place-items:center;font-size:20px;font-weight:900}
.lesson-level-heading b,.lesson-level-heading small{display:block}.lesson-level-heading small{color:#718196;margin-top:3px}
.lesson-list-card{display:grid;grid-template-columns:70px 1fr;background:#fff;border:1px solid #e1e7ed;border-radius:17px;overflow:hidden;box-shadow:0 7px 22px rgba(14,29,51,.035)}
.lesson-list-card.completed{border-color:#b9dfce}
.lesson-index{background:#10243a;color:#fff;display:grid;place-items:center;font-size:24px;font-weight:900}.lesson-list-card.completed .lesson-index{background:#16865a}
.lesson-list-content{padding:19px 21px}.lesson-list-top,.lesson-list-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px}
.lesson-list-top span{color:#ef1b24;font-size:10px;letter-spacing:.13em;font-weight:900}.lesson-list-top em{font-style:normal;color:#738398;font-size:11px}
.lesson-list-card h2{margin:7px 0 6px;font-size:22px}.lesson-list-card p{margin:0;color:#66788d;line-height:1.55}
.lesson-list-bottom{margin-top:14px}.lesson-list-bottom span{font-size:11px;font-weight:850;color:#607085}.lesson-list-bottom a{color:#ef1b24;font-weight:900;font-size:12px}

.lesson-view{max-width:980px;margin:0 auto}
.lesson-detail{background:#fff;border:1px solid #e0e7ed;border-radius:22px;box-shadow:0 12px 38px rgba(14,29,51,.055);overflow:hidden}
.lesson-detail-head{display:flex;justify-content:space-between;gap:25px;align-items:flex-start;padding:34px;background:linear-gradient(135deg,#f9fbfe,#f2f6fa);border-bottom:1px solid #e4e9ef}
.lesson-detail-head h1{font-size:42px;margin:8px 0 9px;letter-spacing:-.04em}.lesson-detail-head p{color:#64768b;line-height:1.6;max-width:700px;margin:0}
.lesson-level-badge{display:inline-block;background:#10243a;color:#fff;border-radius:999px;padding:7px 10px;font-size:10px;font-weight:900;margin-bottom:12px}
.lesson-duration{min-width:105px;text-align:center;background:#fff;border:1px solid #e1e7ed;border-radius:15px;padding:14px}.lesson-duration strong,.lesson-duration small{display:block}.lesson-duration strong{font-size:31px;color:#ef1b24}.lesson-duration small{color:#728196}
.lesson-section{padding:28px 34px;border-bottom:1px solid #edf1f4}.lesson-section>small{color:#ef1b24;font-size:10px;letter-spacing:.16em;font-weight:900}.lesson-section h2{font-size:25px;margin:7px 0 14px}.lesson-prose{color:#40546a;line-height:1.85;font-size:16px}
.vocab-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.vocab-grid>div{background:#f6f8fb;border-radius:13px;padding:14px}.vocab-grid b,.vocab-grid span{display:block}.vocab-grid b{font-size:15px}.vocab-grid span{color:#6d7d90;font-size:12px;margin-top:4px}
.example-stack{display:grid;gap:9px}.example-stack>div{display:grid;grid-template-columns:36px 1fr;gap:10px;align-items:center;background:#f8fafc;border:1px solid #e9edf1;border-radius:12px;padding:11px}.example-stack span{width:30px;height:30px;border-radius:9px;background:#10243a;color:#fff;display:grid;place-items:center;font-size:11px;font-weight:900}.example-stack p{margin:0;color:#40546a}
.practice-box{background:#fff9f9}.practice-box p{color:#40546a;line-height:1.6}.practice-box textarea{width:100%;border:1px solid #dce4eb;border-radius:13px;padding:14px;outline:none}.practice-box textarea:focus{border-color:#ef737a;box-shadow:0 0 0 3px rgba(239,27,36,.06)}
.lesson-complete-actions{display:flex;gap:10px;padding:23px 34px;align-items:center}.lesson-complete-actions .submission-status{margin-left:auto}

@media(max-width:700px){
  .lesson-detail-head{display:block;padding:24px}.lesson-duration{margin-top:18px;width:110px}.lesson-detail-head h1{font-size:34px}
  .lesson-section{padding:22px}.vocab-grid{grid-template-columns:1fr}.lesson-complete-actions{padding:20px;flex-direction:column;align-items:stretch}
}


/* v1.0.48-TEST — Pronunciation Lab */
.pronunciation-welcome{background:linear-gradient(135deg,#fff 0%,#f8fbff 65%,#eef5fb 100%)}
.pronunciation-guide{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}
.pronunciation-guide>div{display:grid;grid-template-columns:38px 1fr;column-gap:10px;align-items:center;background:#fff;border:1px solid #e1e7ed;border-radius:15px;padding:14px}
.pronunciation-guide>div>span{grid-row:1/3;width:36px;height:36px;border-radius:11px;background:#10243a;color:#fff;display:grid;place-items:center;font-weight:900}
.pronunciation-guide b{font-size:14px}.pronunciation-guide small{font-size:10px;color:#718196}
.pronunciation-list{display:grid;gap:13px}
.pron-card{background:#fff;border:1px solid #e1e7ed;border-radius:18px;padding:22px;box-shadow:0 8px 25px rgba(14,29,51,.04)}
.pron-card.completed{border-color:#a9dbc5;box-shadow:0 8px 25px rgba(18,133,87,.06)}
.pron-top{display:flex;justify-content:space-between;gap:12px;align-items:center}
.pron-top span{font-size:10px;letter-spacing:.14em;color:#ef1b24;font-weight:900}.pron-top em{font-style:normal;font-size:10px;color:#16865a;font-weight:850}
.pron-main h2{font-size:25px;line-height:1.35;margin:8px 0 4px}.pron-main>p{color:#64758a;line-height:1.5;margin:5px 0}
.phonetic{font-family:ui-monospace,SFMono-Regular,Menlo,monospace!important;background:#f6f8fb;border-radius:9px;display:inline-block;padding:7px 9px;color:#405369!important;font-size:12px}
.pron-controls{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.pron-btn{border:1px solid #dce4eb;background:#fff;color:#10243a;border-radius:10px;padding:10px 12px;font-weight:850;font-size:12px;cursor:pointer}
.pron-btn:hover{border-color:#adbccc}.pron-btn.listen{background:#10243a;color:#fff;border-color:#10243a}.pron-btn.check{background:#f5f9fd}.pron-btn.save{background:#ef1b24;color:#fff;border-color:#ef1b24;margin-left:auto}
.pron-btn:disabled{opacity:.45;cursor:not-allowed}
.pron-result{margin-top:12px;min-height:20px;color:#53657a;font-size:12px;line-height:1.5}.pron-result b{color:#10243a}.pron-result small{color:#8190a0}
@media(max-width:900px){.pronunciation-guide{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.pronunciation-guide{grid-template-columns:1fr}.pron-btn.save{margin-left:0}}


/* v1.0.48-TEST — polished homepage account menu */
.site-header .header-inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}
.site-header .nav{justify-content:center;min-width:0}
.site-header .header-actions{display:flex;align-items:center;justify-content:flex-end;gap:12px;min-width:max-content;position:relative}
.header-language{position:relative;display:flex;align-items:center}
.compact-lang{height:40px;min-width:58px;padding:0 11px!important;border:1px solid #dbe3ea!important;border-radius:10px!important;background:#fff!important;display:flex!important;align-items:center;justify-content:center;gap:6px;font-weight:850}
.signed-out-menu,.signed-in-menu{display:flex;align-items:center;gap:9px}
.signed-out-menu[hidden],.signed-in-menu[hidden]{display:none!important}
.header-login-link,.header-create-link,.header-myctrl-link,.header-logout-link{height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:0 14px;font-size:12px;font-weight:900;white-space:nowrap}
.header-login-link{border:1px solid #dbe3ea;background:#fff;color:#10243a}
.header-create-link{border:1px solid #ef1b24;background:#ef1b24;color:#fff;box-shadow:0 6px 16px rgba(239,27,36,.14)}
.header-myctrl-link{background:#10243a;color:#fff;border:1px solid #10243a}
.header-logout-link{background:#fff;color:#53657a;border:1px solid #dbe3ea;cursor:pointer}
.header-account-pill{height:40px;display:flex;align-items:center;gap:8px;padding:0 10px 0 6px;border-radius:12px;background:#f4f7fa;border:1px solid #e1e7ed;max-width:150px}
.header-account-avatar{width:28px;height:28px;border-radius:9px;background:#ef1b24;color:#fff;display:grid;place-items:center;font-size:10px;font-weight:900;flex:none}
.header-account-name{font-size:11px;font-weight:850;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.site-header .version-badge{margin-left:1px}
@media(max-width:1180px){.site-header .header-inner{grid-template-columns:auto 1fr auto;gap:16px}.site-header .nav{gap:16px;font-size:12px}.header-account-pill{display:none}}
@media(max-width:920px){.site-header .header-inner{display:flex}.site-header .nav{display:none}.site-header .header-actions{margin-left:auto}.site-header .version-badge{display:none}}
@media(max-width:600px){.signed-in-menu,.signed-out-menu{gap:6px}.header-login-link{display:none}.header-create-link,.header-myctrl-link,.header-logout-link{padding:0 10px;font-size:10px}.compact-lang{min-width:48px}}

.admin-nav-link{margin-top:10px!important;border-top:1px solid rgba(255,255,255,.1);padding-top:16px!important;color:#ffb7bb!important}
.dashboard-placement-notice{margin:18px 0;background:linear-gradient(135deg,#10243a,#193650);color:#fff;border-radius:17px;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.dashboard-placement-notice[hidden]{display:none}
.dashboard-placement-notice>div{display:flex;gap:13px;align-items:center}.dashboard-placement-notice>div>span{width:42px;height:42px;border-radius:13px;background:#ef1b24;display:grid;place-items:center;font-size:22px}.dashboard-placement-notice b{display:block}.dashboard-placement-notice p{margin:3px 0 0;color:#b8c7d6;font-size:12px}
.dashboard-placement-notice>a{background:#fff;color:#10243a;padding:11px 14px;border-radius:10px;font-weight:900;white-space:nowrap}

/* Placement */
.placement-welcome{background:linear-gradient(135deg,#fff,#f5f9fd)}
.placement-clock{min-width:160px;text-align:center;border-radius:18px;background:#10243a;color:#fff;padding:18px}.placement-clock small,.placement-clock span{display:block}.placement-clock small{font-size:10px;letter-spacing:.14em;color:#9fb0c2}.placement-clock strong{display:block;font-size:38px;color:#fff;margin:3px 0}.placement-clock span{font-size:12px;color:#d5e0e9}
.placement-intro-card{display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid #e1e7ed;border-radius:18px;padding:24px;margin-top:18px}
.placement-intro-icon{width:58px;height:58px;border-radius:17px;background:#fff0f1;color:#ef1b24;display:grid;place-items:center;font-size:30px}.placement-intro-card h2{margin:0 0 6px}.placement-intro-card p{margin:0;color:#66788d;line-height:1.55}.placement-rules{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}.placement-rules span{font-size:10px;padding:6px 9px;background:#f3f6f9;border-radius:999px;font-weight:750}
.placement-app{margin-top:18px}.placement-app.hidden,.placement-result.hidden{display:none}
.placement-progress-wrap{background:#fff;border:1px solid #e1e7ed;border-radius:15px;padding:14px 16px;position:sticky;top:84px;z-index:25;box-shadow:0 7px 22px rgba(14,29,51,.05)}.placement-progress-wrap>div:first-child{display:flex;justify-content:space-between;gap:15px;font-size:12px}.placement-progress-wrap span{color:#708095}
.placement-progress{height:7px;background:#eef2f5;border-radius:999px;margin-top:10px;overflow:hidden}.placement-progress i{display:block;height:100%;width:0;background:#ef1b24;border-radius:999px;transition:.2s}
.placement-questions{display:grid;gap:12px;margin-top:13px}.placement-question-card{display:grid;grid-template-columns:48px 1fr;gap:14px;background:#fff;border:1px solid #e1e7ed;border-radius:16px;padding:18px}.placement-qnum{width:44px;height:44px;border-radius:12px;background:#10243a;color:#fff;display:grid;place-items:center;font-weight:900}.placement-qbody h3{font-size:17px;margin:4px 0 12px;line-height:1.45}
.placement-options{display:grid;gap:7px}.placement-options label{display:grid;grid-template-columns:18px 31px 1fr;align-items:center;gap:8px;padding:10px;border:1px solid #e3e8ed;border-radius:11px;cursor:pointer}.placement-options label.selected{border-color:#ef858b;background:#fff7f7}.placement-options input{accent-color:#ef1b24}.placement-options label span{width:27px;height:27px;border-radius:8px;background:#f0f4f7;display:grid;place-items:center;font-size:10px;font-weight:900}.placement-options label b{font-size:13px;font-weight:650}
.placement-nav{display:flex;justify-content:space-between;gap:12px;margin:16px 0}.placement-nav button:disabled{opacity:.4;cursor:not-allowed}
.placement-result{display:grid;grid-template-columns:130px 1fr;gap:25px;align-items:center;background:#fff;border:1px solid #e1e7ed;border-radius:20px;padding:28px;margin-top:18px}.placement-result-level{height:115px;border-radius:22px;background:#ef1b24;color:#fff;display:grid;place-items:center;font-size:46px;font-weight:900}.placement-result small{color:#ef1b24;letter-spacing:.14em;font-weight:900}.placement-result h2{font-size:27px;margin:5px 0}.placement-result p{color:#66788d;line-height:1.6}.placement-result-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}

/* Practice Bank */
.practice-set-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}.practice-set-card{display:grid;grid-template-columns:80px 1fr;gap:18px;background:#fff;border:1px solid #e1e7ed;border-radius:18px;padding:20px}.practice-set-level{height:78px;border-radius:16px;background:#10243a;color:#fff;display:grid;place-items:center;font-size:27px;font-weight:900}.practice-set-card small{color:#ef1b24;font-size:10px;letter-spacing:.13em;font-weight:900}.practice-set-card h2{margin:5px 0}.practice-set-card p{color:#66788d;font-size:13px;line-height:1.55}.practice-set-meta{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}.practice-set-meta span{font-size:10px;background:#f2f6f8;border-radius:999px;padding:6px 8px}.practice-set-card button{border:0;background:transparent;color:#ef1b24;font-weight:900;padding:0;cursor:pointer}
.practice-modal-card{max-height:90vh;overflow:auto}.practice-modal-questions{display:grid;gap:16px;margin:18px 0}.practice-question{border-bottom:1px solid #edf1f4;padding-bottom:14px}.practice-question>b{display:block;line-height:1.5;margin-bottom:8px}.practice-question>div{display:grid;gap:6px}.practice-question label{display:grid;grid-template-columns:18px 28px 1fr;align-items:center;gap:8px;padding:8px;border-radius:9px;background:#f7f9fb;cursor:pointer}.practice-question input{accent-color:#ef1b24}.practice-question label span{font-size:10px;font-weight:900}

/* Admin answer center */
.admin-body{background:#f2f5f8}.admin-main{max-width:1450px;margin:0 auto;padding:34px}.admin-hero{display:flex;justify-content:space-between;align-items:center;background:#10243a;color:#fff;border-radius:20px;padding:28px 30px}.admin-hero h1{font-size:36px;margin:5px 0}.admin-hero p{margin:0;color:#b8c7d6}.admin-lock{width:72px;height:72px;border-radius:20px;background:#1c344c;display:grid;place-items:center;font-size:31px}.admin-secure-badge{background:#fff0f1;color:#d91520;border:1px solid #ffd0d3;border-radius:999px;padding:7px 10px;font-size:9px;font-weight:900;letter-spacing:.13em}
.admin-access-message{margin-top:18px;background:#fff;border:1px solid #e1e7ed;border-radius:16px;padding:20px}.admin-academy-content{margin-top:18px}.admin-tabs{display:flex;gap:7px;flex-wrap:wrap}.admin-tabs button{border:1px solid #dce4eb;background:#fff;border-radius:10px;padding:10px 14px;font-weight:850;cursor:pointer}.admin-tabs button.active{background:#10243a;color:#fff;border-color:#10243a}.admin-tab-panel{background:#fff;border:1px solid #e1e7ed;border-radius:17px;padding:20px;margin-top:11px}.admin-key-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.admin-key-grid article{display:grid;grid-template-columns:44px 1fr;gap:10px;border:1px solid #e6ebf0;border-radius:12px;padding:11px}.admin-key-grid article>span{width:40px;height:40px;border-radius:10px;background:#10243a;color:#fff;display:grid;place-items:center;font-size:11px;font-weight:900}.admin-key-grid b,.admin-key-grid small,.admin-key-grid em{display:block}.admin-key-grid b{font-size:12px;line-height:1.4}.admin-key-grid small{color:#16865a;font-weight:850;margin-top:4px}.admin-key-grid em{font-style:normal;font-size:9px;color:#8795a5;margin-top:3px}
.admin-result-table{display:grid;gap:2px}.admin-table-row{display:grid;grid-template-columns:2fr .7fr .7fr 1fr;gap:10px;padding:11px;border-bottom:1px solid #edf1f4;align-items:center}.admin-table-row.head{background:#f5f8fa;border-radius:9px;font-size:10px;font-weight:900;letter-spacing:.08em}.admin-table-row span b,.admin-table-row span small{display:block}.admin-table-row span small{font-size:9px;color:#8593a3;margin-top:2px}
@media(max-width:850px){.practice-set-grid,.admin-key-grid{grid-template-columns:1fr}.placement-intro-card{grid-template-columns:1fr}.placement-intro-icon{display:none}.placement-result{grid-template-columns:1fr}.placement-result-level{width:115px}.admin-table-row{grid-template-columns:1.5fr .6fr .6fr}.admin-table-row span:last-child{display:none}}


/* ==========================================================
   v1.0.17 — clean language/account header
   Fixes old EN dropdown + English/Español buttons appearing together
   ========================================================== */
.site-header{min-height:76px}
.site-header .header-inner{min-height:76px;display:grid;grid-template-columns:150px minmax(520px,1fr) auto;gap:26px;align-items:center}
.site-header .brand{display:flex;align-items:center}
.site-header .brand img{display:block;max-height:58px;width:auto}
.site-header .nav{display:flex;align-items:center;justify-content:center;gap:29px;height:76px;white-space:nowrap}
.site-header .nav a{display:flex;align-items:center;height:76px;font-size:13px;font-weight:850}
.site-header .header-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;height:76px;white-space:nowrap}

/* Hide every legacy dropdown implementation from older builds. */
.site-header .lang,
.site-header .lang-menu,
.site-header #langMenu,
.site-header #langDropdown,
.site-header #langButton{display:none!important}

.header-language-switch{height:38px;display:grid;grid-template-columns:1fr 1fr;padding:3px;border:1px solid #dce4eb;border-radius:11px;background:#f5f7fa;gap:2px}
.header-language-switch button{min-width:35px;height:30px;border:0;border-radius:8px;background:transparent;color:#68798d;font-size:10px;font-weight:950;cursor:pointer;letter-spacing:.05em}
.header-language-switch button.active{background:#10243a;color:#fff;box-shadow:0 3px 9px rgba(14,29,51,.14)}
.header-language-switch button:hover:not(.active){background:#fff;color:#10243a}
.signed-out-menu,.signed-in-menu{height:40px;align-items:center}
.header-login-link,.header-create-link,.header-myctrl-link,.header-logout-link{height:38px}
.header-login-link{padding:0 15px}
.header-create-link{padding:0 17px}
.header-account-pill{height:38px}
.site-header .version-badge{height:36px;display:flex;align-items:center;padding:0 11px}

@media(max-width:1280px){
  .site-header .header-inner{grid-template-columns:120px minmax(450px,1fr) auto;gap:16px}
  .site-header .nav{gap:19px}
  .site-header .header-account-pill{display:none}
}
@media(max-width:1050px){
  .site-header .nav{gap:13px}
  .site-header .nav a{font-size:11px}
  .site-header .version-badge{display:none}
}
@media(max-width:860px){
  .site-header .header-inner{display:flex;padding-left:14px;padding-right:14px}
  .site-header .nav{display:none}
  .site-header .header-actions{margin-left:auto}
}

/* ==========================================================
   v1.0.17 — Administration platform
   ========================================================== */
.admin-platform-body{margin:0;background:#f2f5f8;color:#10243a}
.admin-platform-topbar{height:72px;background:#fff;border-bottom:1px solid #e0e7ed;padding:0 24px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:80}
.admin-platform-topbar>a img{height:48px;width:auto}
.admin-platform-topbar>div{display:flex;align-items:center;gap:10px}
.admin-platform-topbar>div>a{font-size:11px;font-weight:850;color:#53657a;border:1px solid #dce4eb;border-radius:9px;padding:9px 11px}
.admin-platform-shell{display:grid;grid-template-columns:245px 1fr;min-height:calc(100vh - 72px)}
.admin-platform-sidebar{background:#0e1d33;color:#fff;padding:24px 15px;display:flex;flex-direction:column}
.admin-platform-title{padding:0 9px 20px;border-bottom:1px solid rgba(255,255,255,.1)}
.admin-platform-title small{color:#ef7278;font-size:9px;letter-spacing:.15em;font-weight:900}
.admin-platform-title b{display:block;font-size:19px;margin:5px 0}
.admin-platform-title p{margin:0;color:#98aabd;font-size:11px}
.admin-platform-sidebar nav{display:grid;gap:5px;margin-top:18px}
.admin-platform-sidebar nav button{border:0;background:transparent;color:#c8d3dd;border-radius:11px;padding:12px;text-align:left;font-weight:800;cursor:pointer;display:flex;gap:10px;align-items:center}
.admin-platform-sidebar nav button:hover,.admin-platform-sidebar nav button.active{background:#1b3048;color:#fff}
.admin-sidebar-note{margin-top:auto;border:1px solid rgba(255,255,255,.08);background:#172a40;border-radius:12px;padding:13px;color:#9eb0c1;font-size:10px;line-height:1.55}
.admin-platform-main{padding:30px;max-width:1500px;width:100%;margin:0 auto}
.admin-platform-section.hidden,.admin-platform-main>.hidden{display:none!important}
.admin-page-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:18px}
.admin-page-heading small{color:#ef1b24;font-size:9px;letter-spacing:.15em;font-weight:900}
.admin-page-heading h1{font-size:34px;margin:5px 0 6px;letter-spacing:-.035em}
.admin-page-heading p{margin:0;color:#68798d}
.admin-primary-btn{border:0;background:#ef1b24;color:#fff;border-radius:10px;padding:11px 15px;font-weight:900;cursor:pointer}
.admin-overview-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}
.admin-overview-cards article{background:#fff;border:1px solid #e1e7ed;border-radius:16px;padding:18px}
.admin-overview-cards small,.admin-overview-cards strong,.admin-overview-cards span{display:block}
.admin-overview-cards small{font-size:9px;letter-spacing:.1em;color:#7b8b9c;font-weight:900}
.admin-overview-cards strong{font-size:31px;margin:5px 0;color:#10243a}
.admin-overview-cards span{font-size:10px;color:#7b8998}
.admin-dashboard-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.admin-dashboard-card{background:#fff;border:1px solid #e1e7ed;border-radius:17px;padding:22px}
.admin-dashboard-card small{color:#ef1b24;font-size:9px;letter-spacing:.14em;font-weight:900}
.admin-dashboard-card h2{margin:6px 0}.admin-dashboard-card p{color:#68798d;line-height:1.55}
.admin-dashboard-card button{border:0;background:transparent;color:#ef1b24;padding:0;font-weight:900;cursor:pointer}
.admin-storage-notice{background:#fff8e8;border:1px solid #eedba5;border-radius:13px;padding:13px 15px;color:#756435;font-size:11px;margin-bottom:14px}
.admin-resources-list{display:grid;gap:9px}
.admin-resource-row{display:grid;grid-template-columns:48px 1fr auto auto;gap:13px;align-items:center;background:#fff;border:1px solid #e1e7ed;border-radius:14px;padding:13px}
.admin-resource-icon{width:43px;height:43px;border-radius:11px;background:#f3f6f9;display:grid;place-items:center;font-size:20px}
.admin-resource-row small,.admin-resource-row b,.admin-resource-row p{display:block}.admin-resource-row small{font-size:9px;color:#ef1b24;font-weight:900}.admin-resource-row b{font-size:13px;margin:3px 0}.admin-resource-row p{margin:0;color:#768597;font-size:10px}
.admin-resource-row>span{font-size:9px;background:#f2f5f8;border-radius:999px;padding:6px 8px;font-weight:850}
.admin-resource-actions{display:flex;gap:6px}.admin-resource-actions a,.admin-resource-actions button{border:1px solid #dce4eb;background:#fff;color:#10243a;border-radius:8px;padding:7px 9px;font-size:9px;font-weight:850;cursor:pointer}.admin-resource-actions button{color:#c61e28}
.admin-answer-tabs{display:flex;gap:7px;margin-bottom:12px}.admin-answer-tabs button{border:1px solid #dce4eb;background:#fff;border-radius:9px;padding:9px 12px;font-weight:850;cursor:pointer}.admin-answer-tabs button.active{background:#10243a;color:#fff}
.admin-answer-pane.hidden{display:none}
.admin-upload-card label{display:grid;gap:6px;font-size:11px;font-weight:850;margin-top:12px}.admin-upload-card input,.admin-upload-card select,.admin-upload-card textarea{width:100%;border:1px solid #dce4eb;border-radius:10px;padding:11px;background:#fff;font:inherit}.admin-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.admin-resource-methods{display:flex;gap:10px;margin:13px 0}.resource-method{display:flex!important;grid-template-columns:18px 1fr!important;align-items:center;background:#f6f8fa;border:1px solid #e2e7ec;border-radius:10px;padding:9px!important;margin:0!important}.resource-method input{width:auto!important}
@media(max-width:1000px){.admin-platform-shell{grid-template-columns:1fr}.admin-platform-sidebar{display:none}.admin-overview-cards{grid-template-columns:1fr 1fr}}
@media(max-width:700px){.admin-platform-main{padding:16px}.admin-overview-cards,.admin-dashboard-grid{grid-template-columns:1fr}.admin-resource-row{grid-template-columns:44px 1fr}.admin-resource-row>span,.admin-resource-actions{grid-column:2}.admin-form-grid{grid-template-columns:1fr}}


/* ==========================================================
   v1.0.18 — HARD RESET OF PUBLIC HEADER
   One header, one row, one language control, one account state.
   ========================================================== */
.v118-public-header{height:78px!important;min-height:78px!important;background:#fff!important;border-bottom:1px solid #e4e9ef!important;position:relative!important;z-index:100!important}
.v118-public-header .header-inner{height:78px!important;min-height:78px!important;display:grid!important;grid-template-columns:145px minmax(520px,1fr) auto!important;align-items:center!important;gap:24px!important;padding-top:0!important;padding-bottom:0!important}
.v118-public-header .brand{height:78px!important;display:flex!important;align-items:center!important}
.v118-public-header .brand img{max-height:58px!important;width:auto!important;display:block!important}
.v118-public-header .public-main-nav{height:78px!important;display:flex!important;justify-content:center!important;align-items:center!important;gap:25px!important;margin:0!important;padding:0!important;overflow:visible!important}
.v118-public-header .public-main-nav a{height:78px!important;display:flex!important;align-items:center!important;padding:0!important;margin:0!important;font-size:12px!important;font-weight:850!important;white-space:nowrap!important;position:relative!important;color:#10243a!important}
.v118-public-header .public-main-nav a.active,.v118-public-header .public-main-nav a:hover{color:#ef1b24!important}
.v118-public-header .public-main-nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:#ef1b24;border-radius:3px 3px 0 0}
.v118-public-header .header-actions{height:78px!important;display:flex!important;align-items:center!important;justify-content:flex-end!important;gap:8px!important;margin:0!important;padding:0!important;position:static!important;min-width:max-content!important}
.v118-public-header .header-language-switch{height:38px!important;display:grid!important;grid-template-columns:1fr 1fr!important;gap:2px!important;padding:3px!important;margin:0!important;border:1px solid #dce4eb!important;border-radius:11px!important;background:#f3f6f9!important}
.v118-public-header .header-language-switch button{height:30px!important;min-width:34px!important;margin:0!important;padding:0 8px!important;border:0!important;border-radius:8px!important;background:transparent!important;color:#6e7e90!important;font-size:10px!important;font-weight:950!important;box-shadow:none!important}
.v118-public-header .header-language-switch button.active{background:#10243a!important;color:#fff!important}
.v118-public-header .signed-out-menu,.v118-public-header .signed-in-menu{display:flex!important;align-items:center!important;gap:7px!important;height:40px!important;margin:0!important;padding:0!important}
.v118-public-header .signed-out-menu[hidden],.v118-public-header .signed-in-menu[hidden]{display:none!important}
.v118-public-header .header-login-link,.v118-public-header .header-create-link,.v118-public-header .header-myctrl-link,.v118-public-header .header-logout-link{height:38px!important;display:flex!important;align-items:center!important;justify-content:center!important;padding:0 13px!important;margin:0!important;border-radius:10px!important;font-size:11px!important;font-weight:900!important;line-height:1!important;white-space:nowrap!important}
.v118-public-header .header-login-link{background:#fff!important;color:#10243a!important;border:1px solid #d8e0e8!important}
.v118-public-header .header-create-link{background:#ef1b24!important;color:#fff!important;border:1px solid #ef1b24!important}
.v118-public-header .header-myctrl-link{background:#10243a!important;color:#fff!important;border:1px solid #10243a!important}
.v118-public-header .header-logout-link{background:#fff!important;color:#10243a!important;border:1px solid #d8e0e8!important;cursor:pointer!important}
.v118-public-header .header-account-pill{height:38px!important;display:flex!important;align-items:center!important;gap:7px!important;background:#f5f7fa!important;border:1px solid #e1e7ed!important;border-radius:10px!important;padding:0 9px 0 5px!important}
.v118-public-header .header-account-avatar{width:28px!important;height:28px!important;border-radius:8px!important;background:#ef1b24!important;color:#fff!important;display:grid!important;place-items:center!important;font-size:9px!important;font-weight:900!important}
.v118-public-header .header-account-name{max-width:82px!important;font-size:10px!important;font-weight:850!important;white-space:nowrap!important;overflow:hidden!important;text-overflow:ellipsis!important}
.v118-public-header .version-badge{height:34px!important;display:flex!important;align-items:center!important;padding:0 9px!important;margin:0!important;font-size:9px!important;white-space:nowrap!important}
/* Permanently suppress all old language dropdown remnants */
.v118-public-header .lang,.v118-public-header .lang-menu,.v118-public-header #langMenu,.v118-public-header #langDropdown,.v118-public-header select.lang{display:none!important}
@media(max-width:1260px){.v118-public-header .header-inner{grid-template-columns:120px minmax(430px,1fr) auto!important;gap:14px!important}.v118-public-header .public-main-nav{gap:16px!important}.v118-public-header .header-account-pill{display:none!important}}
@media(max-width:1040px){.v118-public-header .public-main-nav{gap:11px!important}.v118-public-header .public-main-nav a{font-size:10px!important}.v118-public-header .version-badge{display:none!important}}
@media(max-width:860px){.v118-public-header .header-inner{display:flex!important;padding:0 14px!important}.v118-public-header .public-main-nav{display:none!important}.v118-public-header .header-actions{margin-left:auto!important}.v118-public-header .brand{margin-right:auto!important}}

/* Dedicated placement entry */
.placement-entry-body{margin:0;background:#f5f8fb;color:#10243a}
.placement-entry-main{max-width:1450px;margin:0 auto;padding:44px 34px}
.placement-entry-hero{display:grid;grid-template-columns:1.18fr .82fr;gap:40px;align-items:center;min-height:620px}
.placement-entry-copy h1{font-size:54px;line-height:1.02;letter-spacing:-.045em;margin:10px 0 18px}.placement-entry-copy h1 span{color:#ef1b24}
.placement-entry-copy>p{font-size:17px;color:#63758a;line-height:1.7;max-width:720px}
.placement-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin:28px 0}
.placement-flow>div{background:#fff;border:1px solid #e1e7ed;border-radius:14px;padding:14px}.placement-flow span{width:29px;height:29px;border-radius:9px;background:#10243a;color:#fff;display:grid;place-items:center;font-size:11px;font-weight:900;margin-bottom:8px}.placement-flow b,.placement-flow small{display:block}.placement-flow small{color:#748497;font-size:10px;margin-top:4px}
.placement-security-note{border-left:4px solid #ef1b24;background:#fff;border-radius:0 12px 12px 0;padding:12px 14px;color:#63758a;font-size:11px;max-width:650px}
.placement-account-card{background:#fff;border:1px solid #e0e7ed;border-radius:22px;padding:28px;box-shadow:0 20px 60px rgba(14,29,51,.11)}
.placement-account-card h2{font-size:27px;margin:18px 0 5px}.placement-account-card>p{color:#738397;margin:0 0 17px}.placement-account-card form{display:grid;gap:10px}.placement-account-card input{width:100%;height:48px;border:1px solid #dce4eb;border-radius:11px;padding:0 13px;font:inherit}.placement-account-card .form-grid.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.placement-account-card .primary-btn{height:48px;border:0;border-radius:11px;background:#ef1b24;color:#fff;font-weight:900;cursor:pointer}
@media(max-width:950px){.placement-entry-hero{grid-template-columns:1fr;min-height:auto}.placement-flow{grid-template-columns:1fr 1fr}.placement-entry-copy h1{font-size:42px}}
@media(max-width:560px){.placement-entry-main{padding:25px 15px}.placement-flow{grid-template-columns:1fr}.placement-account-card .form-grid.two{grid-template-columns:1fr}}

/* Private platform formalization */
.student-topbar{z-index:90!important}
.student-nav nav a.active{background:#1b3048!important;color:#fff!important;box-shadow:inset 3px 0 0 #ef1b24}
.student-nav nav a.active span{font-weight:900}
.ai-test-badge{background:#fff0f1;color:#d81721;border:1px solid #ffd0d3;border-radius:999px;padding:6px 9px;font-size:9px;font-weight:900;letter-spacing:.12em}

/* AI Lab */
.ai-lab-welcome{background:linear-gradient(135deg,#fff,#eef5fb)}
.ai-mode-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.ai-mode-tabs button{border:1px solid #dce4eb;background:#fff;border-radius:11px;padding:11px 14px;font-weight:850;cursor:pointer}.ai-mode-tabs button.active{background:#10243a;color:#fff;border-color:#10243a}
.ai-lab-panel{background:#fff;border:1px solid #e1e7ed;border-radius:18px;padding:23px}.ai-lab-panel.hidden{display:none}.ai-panel-heading small{color:#ef1b24;font-size:9px;letter-spacing:.14em;font-weight:900}.ai-panel-heading h2{margin:5px 0}.ai-panel-heading p{color:#6b7b8e}.ai-lab-panel textarea{width:100%;border:1px solid #dce4eb;border-radius:13px;padding:14px;resize:vertical;margin:12px 0}.ai-output{margin-top:16px}
.ai-feedback-card{background:#f7f9fc;border:1px solid #e3e8ed;border-radius:14px;padding:18px}.ai-feedback-card small{color:#ef1b24;font-weight:900;letter-spacing:.12em}.ai-feedback-card h3{margin:10px 0 6px}.ai-feedback-card blockquote{margin:0;background:#fff;border-left:4px solid #ef1b24;border-radius:0 9px 9px 0;padding:12px;font-size:17px}.ai-feedback-card li{margin:6px 0;color:#52657a}.ai-reading-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-bottom:10px}.ai-reading-stats article{background:#f7f9fc;border:1px solid #e3e8ed;border-radius:13px;padding:14px}.ai-reading-stats small,.ai-reading-stats b,.ai-reading-stats span{display:block}.ai-reading-stats b{font-size:23px}.ai-reading-stats span{font-size:9px;color:#7d8b9b}.ai-keywords{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}.ai-keywords span{background:#fff;border:1px solid #dfe5eb;border-radius:999px;padding:6px 9px;font-size:11px}.ai-mini-test{display:grid;gap:13px}.ai-mini-test article{border-bottom:1px solid #edf1f4;padding-bottom:13px}.ai-mini-test article>div{display:grid;gap:6px;margin-top:8px}.ai-mini-test label{display:grid;grid-template-columns:18px 27px 1fr;gap:7px;align-items:center;background:#f7f9fb;border-radius:9px;padding:8px}.ai-mini-score{margin-top:13px;background:#10243a;color:#fff;border-radius:12px;padding:15px;display:inline-flex;gap:10px;align-items:center}.ai-mini-score b{font-size:27px}.ai-provider-note{margin-top:14px;background:#fff8e7;border:1px solid #efdca4;border-radius:13px;padding:13px;color:#766434;font-size:11px}
@media(max-width:750px){.ai-reading-stats{grid-template-columns:1fr 1fr}}

/* Master setup */
.master-setup-body{margin:0;background:#eef3f7;min-height:100vh;display:grid;place-items:center;padding:20px}.master-setup-shell{width:min(560px,100%)}.master-setup-card{background:#fff;border:1px solid #dfe6ec;border-radius:22px;padding:30px;box-shadow:0 22px 65px rgba(14,29,51,.13)}.master-setup-card>img{height:58px}.master-setup-card h1{font-size:31px;margin:7px 0}.master-setup-card>p{color:#65778a;line-height:1.6}.master-setup-card code{background:#f1f4f7;padding:3px 5px;border-radius:5px}.master-setup-card form{display:grid;gap:10px;margin:18px 0}.master-setup-card label{display:grid;gap:5px;font-size:11px;font-weight:850}.master-setup-card input{height:45px;border:1px solid #dce4eb;border-radius:10px;padding:0 12px}

/* Expanded admin */
.admin-heading-actions{display:flex;gap:8px;align-items:center}.admin-outline-btn{border:1px solid #dce4eb;background:#fff;color:#10243a;border-radius:10px;padding:10px 13px;font-size:11px;font-weight:900}
.admin-user-table,.admin-content-table{background:#fff;border:1px solid #e1e7ed;border-radius:15px;overflow:hidden}.admin-user-row{display:grid;grid-template-columns:2fr .8fr .7fr .8fr .7fr;gap:10px;align-items:center;padding:12px 14px;border-bottom:1px solid #edf1f4;font-size:11px}.admin-user-row.head{background:#f5f8fa;font-size:9px;letter-spacing:.08em;font-weight:900}.admin-user-row b,.admin-user-row small{display:block}.admin-user-row small{color:#7e8d9d;font-size:9px;margin-top:2px}.admin-user-row button{border:1px solid #ffd0d3;background:#fff7f7;color:#c9202a;border-radius:8px;padding:6px 8px;font-size:9px;font-weight:850;cursor:pointer}
.admin-content-row{display:grid;grid-template-columns:.5fr .5fr 2fr 1fr;gap:10px;padding:11px 14px;border-bottom:1px solid #edf1f4;font-size:11px}.admin-content-row.head{background:#f5f8fa;font-size:9px;font-weight:900;letter-spacing:.08em}
.admin-message-row{display:grid;grid-template-columns:1fr auto auto;gap:13px;align-items:center;background:#fff;border:1px solid #e1e7ed;border-radius:13px;padding:13px;margin-bottom:8px}.admin-message-row small,.admin-message-row b,.admin-message-row p{display:block}.admin-message-row small{color:#ef1b24;font-size:9px;font-weight:900}.admin-message-row p{margin:3px 0 0;color:#788799;font-size:10px}.admin-message-row>span{font-size:9px;color:#8391a0}.admin-message-row>a{border:1px solid #dce4eb;border-radius:8px;padding:7px 9px;font-size:9px;font-weight:850}
.admin-status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.admin-status-grid article{background:#fff;border:1px solid #e1e7ed;border-radius:15px;padding:18px}.admin-status-grid span{font-size:25px}.admin-status-grid b,.admin-status-grid small{display:block}.admin-status-grid b{margin:8px 0 3px}.admin-status-grid small{color:#16865a}.admin-status-grid .pending small{color:#b27912}
.payment-roadmap-card{display:grid;grid-template-columns:90px 1fr;gap:20px;align-items:center;background:#fff;border:1px solid #e1e7ed;border-radius:18px;padding:24px}.payment-roadmap-card>div{height:80px;border-radius:18px;background:#10243a;color:#fff;display:grid;place-items:center;font-size:34px;font-weight:900}.payment-roadmap-card b{font-size:21px}.payment-roadmap-card p{color:#68798d;line-height:1.55}.payment-roadmap-card span{display:inline-block;background:#fff8e7;color:#a36f11;border-radius:999px;padding:6px 9px;font-size:9px;font-weight:900}
@media(max-width:900px){.admin-user-row{grid-template-columns:1.5fr .7fr .7fr .7fr}.admin-user-row>span:nth-child(4){display:none}.admin-status-grid{grid-template-columns:1fr 1fr}}


/* ==========================================================
   v1.0.19 — Professional photo treatment
   ========================================================== */
.v119-photo-frame{
  position:relative!important;
  overflow:hidden!important;
  padding:0!important;
  background:#edf2f6!important;
  border:1px solid #dde5ec!important;
  border-radius:22px!important;
  min-height:390px!important;
  box-shadow:0 20px 55px rgba(14,29,51,.11)!important;
}
.v119-photo-frame>img{
  width:100%!important;
  height:100%!important;
  min-height:390px!important;
  display:block!important;
  object-fit:cover!important;
  object-position:center center!important;
  filter:none!important;
  transform:none!important;
  padding:0!important;
  image-rendering:auto!important;
}
.community-photo-frame>img{object-position:center 42%!important}
.v119-photo-frame:before,.v119-photo-frame:after{display:none!important}
.v119-photo-overlay{
  position:absolute;left:20px;bottom:20px;z-index:3;
  max-width:320px;padding:13px 16px;border-radius:13px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  box-shadow:0 8px 25px rgba(14,29,51,.13)
}
.v119-photo-overlay small,.v119-photo-overlay b{display:block}
.v119-photo-overlay small{font-size:9px;letter-spacing:.15em;font-weight:950;color:#ef1b24;margin-bottom:4px}
.v119-photo-overlay b{font-size:16px;color:#10243a}
.v119-editorial-section{padding-top:25px;padding-bottom:38px}
.v119-library-feature-photo{
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);
  overflow:hidden;background:#fff;border:1px solid #e1e7ed;border-radius:20px;
  box-shadow:0 14px 42px rgba(14,29,51,.07)
}
.v119-library-feature-photo>img{
  width:100%;height:370px;object-fit:cover;object-position:center;display:block;filter:none!important
}
.v119-library-feature-copy{padding:34px;display:flex;flex-direction:column;justify-content:center}
.v119-library-feature-copy small{color:#ef1b24;font-size:9px;letter-spacing:.15em;font-weight:900}
.v119-library-feature-copy b{font-size:28px;line-height:1.15;margin:8px 0}
.v119-library-feature-copy p{color:#68798d;line-height:1.6}

/* ==========================================================
   v1.0.19 — public mobile/tablet navigation
   ========================================================== */
.public-menu-toggle{
  display:none;width:42px;height:40px;border:1px solid #dce4eb;background:#fff;border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;padding:0
}
.public-menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#10243a}
.public-mobile-menu,.public-menu-backdrop{display:none}
body.menu-open{overflow:hidden}
@media(max-width:980px){
  .v118-public-header .header-inner{display:flex!important;padding:0 14px!important;height:70px!important;min-height:70px!important}
  .v118-public-header{height:70px!important;min-height:70px!important}
  .v118-public-header .brand,.v118-public-header .brand img{max-height:52px!important;height:auto!important}
  .v118-public-header .public-main-nav{display:none!important}
  .public-menu-toggle{display:flex;order:2;margin-left:auto}
  .v118-public-header .header-actions{height:70px!important;order:3;margin-left:6px!important}
  .v118-public-header .header-actions .signed-out-menu,
  .v118-public-header .header-actions .signed-in-menu{display:none!important}
  .v118-public-header .version-badge{display:none!important}
  .v118-public-header .header-language-switch{height:38px!important}
  .public-mobile-menu{
    display:block;position:fixed;top:0;right:0;width:min(390px,88vw);height:100dvh;z-index:1002;
    background:#fff;padding:19px;box-shadow:-18px 0 55px rgba(7,18,31,.22);overflow:auto;
    transform:translateX(0)
  }
  .public-mobile-menu[hidden]{display:none!important}
  .public-menu-backdrop{display:block;position:fixed;inset:0;z-index:1001;background:rgba(7,18,31,.44)}
  .public-menu-backdrop[hidden]{display:none!important}
  .public-mobile-menu-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid #e6ebef}
  .public-mobile-menu-head b{font-size:18px}
  .public-mobile-menu-head button{width:36px;height:36px;border:1px solid #dce4eb;background:#fff;border-radius:9px;font-size:22px;cursor:pointer}
  .public-mobile-nav{display:grid;gap:4px;padding:14px 0}
  .public-mobile-nav a{padding:13px 11px;border-radius:10px;color:#10243a;font-weight:850;font-size:14px}
  .public-mobile-nav a:hover,.public-mobile-nav a:active{background:#f4f7fa;color:#ef1b24}
  .public-mobile-account{padding-top:14px;border-top:1px solid #e6ebef}
  .public-mobile-account>div{display:grid;gap:8px}
  .public-mobile-account>div[hidden]{display:none!important}
  .public-mobile-account a,.public-mobile-account button{
    min-height:43px;border:1px solid #dce4eb;border-radius:10px;background:#fff;color:#10243a;
    display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;cursor:pointer
  }
  .public-mobile-account .primary{background:#ef1b24;color:#fff;border-color:#ef1b24}
  .public-mobile-account .dark{background:#10243a;color:#fff;border-color:#10243a}
}
@media(max-width:560px){
  .v118-public-header .header-actions .header-language-switch{display:none!important}
  .public-mobile-menu{width:92vw}
}

/* ==========================================================
   v1.0.19 — private student mobile/tablet drawer
   ========================================================== */
.student-menu-toggle{
  display:none;width:40px;height:38px;border:1px solid #dce4eb;background:#fff;border-radius:9px;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer
}
.student-menu-toggle span{display:block;width:17px;height:2px;background:#10243a;border-radius:2px}
.student-sidebar-backdrop{display:none}
@media(max-width:1000px){
  .student-menu-toggle{display:flex}
  .student-shell{display:block!important}
  .student-nav{
    display:flex!important;position:fixed!important;top:72px!important;left:0!important;bottom:0!important;
    width:min(285px,84vw)!important;z-index:1002!important;transform:translateX(-105%);
    transition:transform .22s ease;box-shadow:16px 0 45px rgba(5,16,29,.23);overflow-y:auto
  }
  .student-nav.mobile-open{transform:translateX(0)}
  .student-sidebar-backdrop{display:none;position:fixed;inset:72px 0 0;z-index:1001;background:rgba(7,18,31,.45)}
  .student-sidebar-backdrop.show{display:block}
  body.student-menu-open{overflow:hidden}
  .student-main{width:100%!important;max-width:none!important}
}
@media(max-width:650px){
  .student-topbar{padding:0 12px!important}
  .student-top-actions{gap:7px!important}
  .student-top-actions .back-dashboard{display:none}
  .student-top-actions .version-badge{display:none}
}

/* ==========================================================
   v1.0.19 — CEFR level cards inside Lessons
   ========================================================== */
.v119-level-overview{
  background:#fff;border:1px solid #e1e7ed;border-radius:18px;padding:22px;margin:18px 0;
  box-shadow:0 8px 28px rgba(14,29,51,.04)
}
.v119-level-heading small{color:#ef1b24;font-size:9px;letter-spacing:.15em;font-weight:900}
.v119-level-heading h2{margin:6px 0;font-size:25px}
.v119-level-heading p{margin:0;color:#6b7b8e;line-height:1.55}
.v119-level-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:16px}
.v119-level-cards button{
  display:grid;grid-template-columns:48px 1fr;gap:10px;align-items:center;text-align:left;
  border:1px solid #e1e7ed;background:#f9fbfc;border-radius:13px;padding:11px;cursor:pointer;color:#10243a
}
.v119-level-cards button>span{
  width:45px;height:45px;border-radius:11px;background:#10243a;color:#fff;display:grid;place-items:center;font-weight:900
}
.v119-level-cards button b,.v119-level-cards button small{display:block}
.v119-level-cards button small{font-size:9px;color:#7a8998;margin-top:2px}
.v119-level-cards button:hover,.v119-level-cards button.active{border-color:#ef9ba0;background:#fff5f6}
.v119-level-cards button.active>span{background:#ef1b24}
@media(max-width:800px){.v119-level-cards{grid-template-columns:1fr 1fr}.v119-library-feature-photo{grid-template-columns:1fr}.v119-library-feature-photo>img{height:310px}}
@media(max-width:520px){.v119-level-cards{grid-template-columns:1fr}.v119-photo-frame,.v119-photo-frame>img{min-height:300px!important}.v119-library-feature-copy{padding:23px}.v119-library-feature-copy b{font-size:23px}}

/* v1.0.20 — richer CEFR level roadmap */
.v120-level-summary{margin:18px 0;background:#fff;border:1px solid #e1e7ed;border-radius:18px;padding:22px;box-shadow:0 8px 28px rgba(14,29,51,.04)}
.v120-level-summary>div:first-child small{color:#ef1b24;font-size:9px;letter-spacing:.15em;font-weight:900}
.v120-level-summary h2{margin:6px 0;font-size:25px}.v120-level-summary p{margin:0;color:#68798d;line-height:1.55}
.v120-skill-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:9px;margin-top:16px}
.v120-skill-grid article{border:1px solid #e4e9ee;background:#f8fafc;border-radius:13px;padding:13px;text-align:center}
.v120-skill-grid span{font-size:22px}.v120-skill-grid b,.v120-skill-grid small{display:block}.v120-skill-grid b{font-size:12px;margin:6px 0 2px}.v120-skill-grid small{font-size:9px;color:#788798}
.v120-level-counts{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}.v120-level-counts span{background:#f2f6f8;border-radius:999px;padding:7px 9px;font-size:10px;color:#596a7d}.v120-level-counts span b{color:#10243a}
.v120-open-level{display:inline-block;margin-top:13px;color:#ef1b24;font-size:11px;font-weight:900}
@media(max-width:1050px){.v120-skill-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:620px){.v120-skill-grid{grid-template-columns:1fr 1fr}}


/* v1.0.21 — curriculum milestones */
.v121-curriculum-roadmap{
  background:linear-gradient(135deg,#10243a,#172f48);color:#fff;border-radius:19px;
  padding:23px;margin:18px 0;box-shadow:0 14px 40px rgba(14,29,51,.12)
}
.v121-roadmap-head small{color:#ff7b82;font-size:9px;letter-spacing:.15em;font-weight:900}
.v121-roadmap-head h2{font-size:27px;margin:6px 0}.v121-roadmap-head p{margin:0;color:#b9c7d5;line-height:1.55}
.v121-roadmap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:17px}
.v121-roadmap-grid article{
  display:grid;grid-template-columns:48px 1fr;gap:10px;align-items:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
  border-radius:13px;padding:12px
}
.v121-roadmap-grid article>span{
  width:45px;height:45px;border-radius:11px;background:#ef1b24;color:#fff;
  display:grid;place-items:center;font-weight:900
}
.v121-roadmap-grid b,.v121-roadmap-grid small{display:block}
.v121-roadmap-grid b{font-size:12px}.v121-roadmap-grid small{color:#b7c4d1;font-size:9px;line-height:1.45;margin-top:3px}
@media(max-width:820px){.v121-roadmap-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.v121-roadmap-grid{grid-template-columns:1fr}}

/* v1.0.22 — CTRL AI real connection lab */
.v122-ai-console{margin:20px 0;background:#fff;border:1px solid #e1e7ed;border-radius:18px;padding:22px;box-shadow:0 10px 32px rgba(14,29,51,.06)}
.v122-ai-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.v122-ai-head small{color:#ef1b24;font-size:9px;letter-spacing:.15em;font-weight:900}.v122-ai-head h2{margin:5px 0}.v122-ai-head p{margin:0;color:#68798d}
.v122-ai-status{white-space:nowrap;padding:8px 11px;border-radius:999px;background:#eef2f5;color:#617083;font-size:10px;font-weight:900}.v122-ai-status.connected{background:#e7f7ed;color:#15713a}.v122-ai-status.pending{background:#fff4df;color:#8a5b00}
.v122-mode-row{display:flex;gap:7px;margin:18px 0}.v122-mode-row button{border:1px solid #dfe6ec;background:#fff;border-radius:10px;padding:9px 13px;font-weight:850;cursor:pointer}.v122-mode-row button.active{background:#10243a;color:#fff;border-color:#10243a}
.v122-ai-transcript{height:360px;overflow:auto;background:#f6f8fa;border:1px solid #e2e8ed;border-radius:14px;padding:14px}
.v122-ai-message{max-width:84%;padding:11px 13px;border-radius:13px;margin-bottom:10px;background:#fff;border:1px solid #e3e8ed}.v122-ai-message.user{margin-left:auto;background:#10243a;color:#fff;border-color:#10243a}.v122-ai-message b{font-size:10px}.v122-ai-message p{white-space:pre-wrap;line-height:1.55;margin:5px 0 0}
.v122-ai-form{display:grid;grid-template-columns:1fr auto;gap:9px;margin-top:10px}.v122-ai-form textarea{min-height:76px;resize:vertical;border:1px solid #dfe6ec;border-radius:12px;padding:12px;font:inherit}.v122-ai-form button{border:0;border-radius:12px;background:#ef1b24;color:#fff;padding:0 18px;font-weight:900;cursor:pointer}.v122-ai-form button:disabled{opacity:.55}
.v122-ai-meta{display:flex;gap:14px;margin-top:9px;color:#7a8998;font-size:9px;font-weight:800}
@media(max-width:650px){.v122-ai-head{display:block}.v122-ai-status{display:inline-block;margin-top:12px}.v122-ai-form{grid-template-columns:1fr}.v122-ai-form button{min-height:44px}.v122-ai-transcript{height:320px}.v122-ai-message{max-width:94%}}

/* v1.0.23 strict CEFR isolation */
.v123-level-lock{display:flex;justify-content:space-between;align-items:center;gap:18px;background:#10243a;color:#fff;border-radius:18px;padding:22px;margin:18px 0}.v123-level-lock small{color:#ff858b;font-size:9px;letter-spacing:.14em;font-weight:900}.v123-level-lock h2{margin:5px 0}.v123-level-lock p{margin:0;color:#bdc9d5}.v123-level-lock>span{background:#ef1b24;border-radius:12px;padding:14px;font-weight:900}.v121-curriculum-roadmap,.v119-level-overview,.lesson-filter-row{display:none!important}

/* v1.0.24 */
.v124-study-plan,.v124-writing-history{background:#fff;border:1px solid #e2e8ed;border-radius:18px;padding:22px;margin:18px 0;box-shadow:0 10px 30px rgba(16,36,58,.05)}.v124-plan-head{display:flex;justify-content:space-between;gap:20px;align-items:center}.v124-plan-head small,.v124-writing-history small{color:#ef1b24;font-size:9px;letter-spacing:.14em;font-weight:900}.v124-plan-head h2,.v124-writing-history h2{margin:5px 0}.v124-plan-head p{margin:0;color:#6d7c8b}.v124-progress-ring{width:72px;height:72px;border-radius:50%;background:#10243a;color:#fff;display:grid;place-items:center;font-weight:900}.v124-progress-bar{height:9px;background:#eef2f5;border-radius:999px;overflow:hidden;margin:18px 0}.v124-progress-bar i{display:block;height:100%;width:0;background:#ef1b24}.v124-plan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.v124-plan-grid article{border:1px solid #e4e9ed;border-radius:14px;padding:14px;background:#f9fbfc}.v124-plan-grid b,.v124-plan-grid span,.v124-plan-grid a{display:block}.v124-plan-grid span{font-size:10px;color:#738292;margin:5px 0 10px}.v124-plan-grid a{font-size:10px;font-weight:900;color:#ef1b24}.v124-writing-history article{border:1px solid #e4e9ed;border-radius:13px;padding:14px;background:#f8fafb;margin-top:10px}.v124-writing-history article p{white-space:pre-wrap;line-height:1.5}@media(max-width:850px){.v124-plan-grid{grid-template-columns:1fr 1fr}}@media(max-width:520px){.v124-plan-grid{grid-template-columns:1fr}}

/* v1.0.25 — final level exam and promotion */
.v125-promotion-card,.v125-exam-hero,.v125-exam-panel,.v125-exam-result{background:#fff;border:1px solid #e1e7ec;border-radius:18px;padding:22px;margin:18px 0;box-shadow:0 10px 30px rgba(16,36,58,.05)}
.v125-promotion-card{display:flex;justify-content:space-between;gap:20px;align-items:center}.v125-promotion-card small,.v125-exam-hero small{color:#ef1b24;font-size:9px;letter-spacing:.14em;font-weight:900}.v125-promotion-card h2,.v125-exam-hero h1{margin:5px 0}.v125-promotion-card p,.v125-exam-hero p{color:#697989;margin:0}.v125-promotion-card>a,.v125-exam-panel>a,.v125-exam-result>a{background:#ef1b24;color:#fff;text-decoration:none;border-radius:11px;padding:11px 15px;font-weight:900;font-size:11px;white-space:nowrap}
.v125-exam-hero{background:#10243a;color:#fff}.v125-exam-hero p{color:#becbd7}.v125-exam-meta{display:flex;gap:10px;margin-top:15px;flex-wrap:wrap}.v125-exam-meta span{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:7px 10px;font-size:10px}
.v125-question{padding:16px;border:1px solid #e3e8ed;border-radius:14px;margin:10px 0;background:#f9fbfc}.v125-question>b{display:block;margin-bottom:10px}.v125-question label{display:block;padding:8px 10px;margin:5px 0;border-radius:9px;background:#fff;border:1px solid #e4e9ed;cursor:pointer}.v125-question label:hover{border-color:#bdc8d2}
.v125-exam-submit,.v125-exam-result button{border:0;border-radius:12px;background:#ef1b24;color:#fff;padding:13px 18px;font-weight:900;cursor:pointer}.v125-exam-result h2{margin-top:0}
@media(max-width:650px){.v125-promotion-card{display:block}.v125-promotion-card>a{display:inline-block;margin-top:14px}}

/* v1.0.26 — unified real CTRL AI */
.v126-ai-shell,.v126-mini-test{background:#fff;border:1px solid #e2e8ed;border-radius:18px;padding:22px;margin:18px 0;box-shadow:0 10px 30px rgba(16,36,58,.05)}
.v126-ai-toolbar{display:flex;justify-content:space-between;gap:18px;align-items:center;border-bottom:1px solid #edf1f4;padding-bottom:14px}.v126-ai-toolbar small,.v126-mini-test small{display:block;font-size:9px;letter-spacing:.14em;color:#ef1b24;font-weight:900}.v126-ai-toolbar b{font-size:14px}.v126-ai-toolbar b.connected{color:#15803d}.v126-ai-toolbar b.pending{color:#b45309}
.v126-usage{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.v126-usage span{background:#f4f7f9;border-radius:999px;padding:7px 10px;font-size:10px;color:#576675}
.v126-mode-row{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.v126-mode-row button{border:1px solid #dce4e9;background:#fff;border-radius:11px;padding:10px 13px;font-weight:800;cursor:pointer}.v126-mode-row button.active{background:#10243a;color:#fff;border-color:#10243a}
.v126-mode-help{background:#f7f9fb;border-left:3px solid #ef1b24;padding:11px 13px;border-radius:8px;font-size:12px;color:#556573;line-height:1.5;margin-bottom:14px}
.v126-transcript{min-height:290px;max-height:560px}.v126-form textarea{min-height:105px}
.v126-error-detail{margin-top:10px;background:#fff3f3;border:1px solid #ffc7c7;color:#9b1c1c;border-radius:10px;padding:10px 12px;font-size:10px;word-break:break-word}
.v126-mini-test h2{margin:5px 0}.v126-mini-test p{color:#6b7a88}.v126-mini-test>.dashboard-primary{margin-top:10px}
@media(max-width:700px){.v126-ai-toolbar{align-items:flex-start;flex-direction:column}.v126-usage{justify-content:flex-start}.v126-mode-row{display:grid;grid-template-columns:1fr 1fr}.v126-mode-row button{width:100%}}

/* v1.0.27 — CTRL AI voice conversation + vocabulary expansion */
.v127-voice-bar{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin:14px 0;padding:12px;background:#f7f9fb;border:1px solid #e2e8ed;border-radius:13px}
.v127-voice-bar button,.v127-secondary{border:1px solid #d7e0e6;background:#fff;border-radius:10px;padding:9px 12px;font-weight:800;cursor:pointer}.v127-voice-bar button:first-child{background:#ef1b24;color:#fff;border-color:#ef1b24}.v127-voice-bar button:disabled{opacity:.45;cursor:not-allowed}.v127-voice-bar label{font-size:11px;font-weight:700;color:#405263}.v127-voice-bar span{font-size:10px;color:#667787}.v127-secondary{margin-left:6px}
@media(max-width:650px){.v127-voice-bar{align-items:stretch}.v127-voice-bar button{flex:1}.v127-voice-bar label,.v127-voice-bar span{width:100%}.v127-secondary{margin-left:0;margin-top:8px;width:100%}}

/* v1.0.48 study experience */
.learning-home{max-width:1180px;margin:auto}.learning-welcome{display:grid;grid-template-columns:1.35fr .65fr;gap:20px;margin-bottom:20px}
.learning-hero,.today-plan,.progress-card,.learning-card,.next-class{background:#fff;border:1px solid #e6e9ef;border-radius:22px;box-shadow:0 10px 30px rgba(15,23,42,.05)}
.learning-hero{padding:28px;background:linear-gradient(135deg,#fff 60%,#eef4ff)}.learning-eyebrow{font-size:12px;font-weight:900;letter-spacing:.14em;color:#c43225}.learning-hero h1{font-size:clamp(30px,4vw,50px);line-height:1.03;margin:8px 0;color:#0f2038}.learning-hero p{color:#596579;font-size:17px}
.level-row{display:flex;gap:12px;align-items:center;margin-top:20px}.level-pill{background:#0f2038;color:#fff;padding:8px 12px;border-radius:99px;font-weight:900}.mastery-bar{height:10px;background:#e8edf4;border-radius:99px;overflow:hidden;flex:1}.mastery-bar i{display:block;height:100%;background:#c43225}
.progress-card,.today-plan,.learning-card{padding:24px}.progress-ring{width:118px;height:118px;border-radius:50%;display:grid;place-items:center;margin:10px auto;background:conic-gradient(#c43225 var(--p,0%),#edf0f5 0);position:relative}.progress-ring:after{content:"";position:absolute;inset:12px;border-radius:50%;background:#fff}.progress-ring b{z-index:1}.metric-row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid #eee}
.section-head{display:flex;justify-content:space-between;gap:12px;align-items:end;margin-bottom:16px}.section-head h2{margin:3px 0;color:#0f2038}.plan-list{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.plan-step{padding:16px;border:1px solid #e5e8ee;border-radius:16px;background:#fbfcfe;text-decoration:none;color:inherit}.plan-step.primary{background:#fff8f7;border-color:#f2c8c3}.plan-step .num{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:#0f2038;color:#fff;font-weight:900;margin-bottom:12px}.plan-step.primary .num{background:#c43225}.plan-step b,.plan-step span{display:block}.plan-step span{font-size:13px;color:#667085;margin-top:5px}
.learning-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.mission-card{background:linear-gradient(135deg,#0f2038,#1e3a5f);color:#fff;border-radius:18px;padding:22px}.mission-card h3{font-size:26px;margin:6px 0}.mission-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}.mission-actions a{padding:10px 13px;border-radius:10px;background:#fff;color:#0f2038;text-decoration:none;font-weight:900}.mission-actions a.secondary{background:#ffffff20;color:#fff}.skill{margin:12px 0}.skill-head{display:flex;justify-content:space-between;font-size:13px;font-weight:800}.skillbar{height:7px;background:#edf0f5;border-radius:99px;overflow:hidden;margin-top:6px}.skillbar i{display:block;height:100%;background:#0f2038}.recommend{margin-top:15px;padding:13px;border-radius:12px;background:#fff6e8}
.next-class{padding:20px;margin-top:20px;display:flex;justify-content:space-between;align-items:center;gap:16px}.next-class a{background:#c43225;color:#fff;text-decoration:none;padding:11px 15px;border-radius:11px;font-weight:900}
.learning-path{display:grid;gap:14px}.path-unit{display:grid;grid-template-columns:58px 1fr auto;gap:14px;align-items:center;padding:17px;background:#fff;border:1px solid #e5e8ee;border-radius:16px;text-decoration:none;color:inherit}.path-icon{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;background:#eef3fb;font-size:24px}.path-unit h3{margin:0}.path-unit p{margin:5px 0;color:#667085}.path-status{font-size:12px;font-weight:900;padding:7px 9px;border-radius:99px;background:#f1f4f8}.path-unit.current{border-color:#efb3ab;background:#fff9f8}.path-unit.current .path-status{background:#c43225;color:#fff}
@media(max-width:900px){.learning-welcome,.learning-grid{grid-template-columns:1fr}.plan-list{grid-template-columns:1fr 1fr}}@media(max-width:560px){.plan-list{grid-template-columns:1fr}.learning-hero,.today-plan,.progress-card,.learning-card{padding:18px}}

/* v1.0.48 Aula Virtual */
.classroom-center{max-width:1180px;margin:auto}.classroom-choice{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:22px 0}.class-type,.organizer,.teacher-panel{background:#fff;border:1px solid #e5e9ef;border-radius:22px;padding:24px;box-shadow:0 10px 30px #0f172a0d}.class-type.ai{background:linear-gradient(145deg,#0f2038,#173b65);color:#fff}.class-type a,.class-type button,.organizer button{display:inline-block;margin-top:10px;padding:10px 14px;border:0;border-radius:10px;background:#c43225;color:#fff;text-decoration:none;font-weight:900}.class-type.ai a{background:#fff;color:#0f2038}.invite-grid,.teacher-stage{display:grid;grid-template-columns:1fr 1fr;gap:18px}.invite-box{border:1px solid #e5e9ef;border-radius:16px;padding:18px}.invite-box input,.invite-box select,.invite-box textarea{width:100%;box-sizing:border-box;padding:11px;border:1px solid #d9dfe8;border-radius:10px;margin:6px 0 10px}.roster-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;padding:11px;border:1px solid #e7ebf0;border-radius:11px;margin-top:8px}.roster-row small{display:block;color:#667085}.ai-teacher-card{border-radius:22px;background:linear-gradient(145deg,#0f2038,#244b78);color:#fff;padding:24px;text-align:center}.ai-avatar{width:150px;height:150px;margin:8px auto 15px;border-radius:50%;display:grid;place-items:center;font-size:64px;background:radial-gradient(circle at 35% 25%,#fff,#b8c9e6 30%,#365582 68%,#101c35);border:5px solid #ffffff35}.ai-timer{font-size:30px;font-weight:900}.agenda-item{display:flex;gap:12px;padding:11px;margin:7px 0;border-radius:11px;background:#f6f8fb}.agenda-item b{min-width:75px}@media(max-width:800px){.classroom-choice,.invite-grid,.teacher-stage{grid-template-columns:1fr}}

/* v1.0.48 AI in-app call */.ai-call-body{background:radial-gradient(circle at top,#eef5ff,#f7f8fb 45%,#fff)}.ai-call-wrap{min-height:calc(100vh - 80px);display:grid;place-items:center;padding:28px}.incoming-call-card,.active-call-card{width:min(680px,94vw);background:#fff;border:1px solid #e3e8ef;border-radius:28px;padding:34px;text-align:center;box-shadow:0 24px 70px #0f20381a}.call-pulse{width:180px;height:180px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;background:#dce9fa;animation:ctrlPulse 1.7s infinite}.call-avatar{width:140px!important;height:140px!important;margin:0!important}@keyframes ctrlPulse{0%,100%{box-shadow:0 0 0 0 #244b7830}50%{box-shadow:0 0 0 24px #244b7805}}.call-meta,.call-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:20px}.call-meta span{padding:7px 10px;background:#f4f7fb;border-radius:99px;font-size:13px;font-weight:800}.call-actions button{border:0;border-radius:999px;padding:13px 22px;font-weight:900}.answer{background:#168447;color:#fff}.decline{background:#c43225;color:#fff}.active-call-top{display:flex;justify-content:space-between;text-align:left}.call-clock{font-size:32px;font-weight:950}.call-teacher{display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center;text-align:left;margin:24px 0}@media(max-width:620px){.call-teacher{grid-template-columns:1fr;text-align:center}.call-teacher .ai-avatar{margin:auto!important}}
.ctrl-captions{margin:18px 0;padding:16px;border:2px solid #142f50;border-radius:16px;background:#071525;color:#fff}.ctrl-captions-head{display:flex;justify-content:space-between;gap:12px;padding-bottom:10px;border-bottom:1px solid #ffffff24}.ctrl-caption-line{font-size:20px;line-height:1.45;padding:12px 0}.ctrl-caption-line b{display:inline-block;min-width:68px;color:#9fc5f3}.ai-caption b{color:#83e3ad}.ctrl-caption-actions{display:flex;gap:8px}.ctrl-caption-actions button{border:1px solid #ffffff33;background:#ffffff12;color:#fff;border-radius:9px;padding:7px 10px;font-weight:800}.ctrl-captions.off .ctrl-caption-line{display:none}