:root{
  --bg:#f8fafc;
  --surface:#ffffff;
  --surface-2:#f1f5f9;
  --text:#0f172a;
  --muted:#475569;
  --muted-2:#64748b;
  --line:#e2e8f0;
  --pink:#d946ef;
  --cyan:#06b6d4;
  --blue:#2563eb;
  --shadow:0 18px 45px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:radial-gradient(circle at top left, rgba(217,70,239,.08), transparent 24%),radial-gradient(circle at top right, rgba(6,182,212,.08), transparent 22%),linear-gradient(180deg,#ffffff 0%, #f8fafc 100%)}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.wrap{width:min(1180px,calc(100% - 32px));margin:0 auto}
.nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
.brand{display:flex;align-items:center;gap:14px}.brand img{height:52px;width:auto}.brand-title{font-size:18px;font-weight:900;letter-spacing:.04em}.brand-sub{font-size:12px;color:var(--muted-2)}
.nav-links{display:flex;gap:20px;align-items:center;color:var(--muted);font-size:14px}.nav-links a:hover,.nav-links a.active{color:var(--text);font-weight:800}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;padding:14px 22px;font-weight:800;transition:.18s ease;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn-primary{color:#fff;border:none;background:linear-gradient(135deg,var(--pink),var(--cyan));box-shadow:0 14px 28px rgba(6,182,212,.18)}
.btn-secondary{color:var(--text);background:#fff;border:1px solid var(--line)}
.hero{padding:56px 0 26px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;color:#7e22ce;background:rgba(217,70,239,.08);border:1px solid rgba(217,70,239,.18);font-size:14px;font-weight:700}
h1{margin:18px 0 0;font-size:clamp(42px,6vw,76px);line-height:.96;letter-spacing:-.04em;font-weight:950}
.gradient{background:linear-gradient(90deg,#d946ef 0%, #0f172a 48%, #06b6d4 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{margin-top:22px;max-width:760px;font-size:20px;line-height:1.8;color:var(--muted)}
.hero-actions,.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.mini-grid,.grid-2,.grid-3,.grid-4,.form-grid{display:grid;gap:18px}
.mini-grid{grid-template-columns:repeat(2,1fr);margin-top:28px}.grid-2{grid-template-columns:repeat(2,1fr);margin-top:40px}.grid-3{grid-template-columns:repeat(3,1fr);margin-top:40px}.grid-4{grid-template-columns:repeat(4,1fr);margin-top:40px}
.card,.feature-card,.pkg,.highlight,.form-card{background:var(--surface);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}
.card,.pkg,.highlight,.form-card{padding:24px}.feature-card{padding:24px;position:relative;overflow:hidden}
.feature-card:before{content:"";position:absolute;inset:auto -80px -80px auto;width:220px;height:220px;border-radius:999px;background:radial-gradient(circle, rgba(6,182,212,.14), transparent 66%)}
.mini-card,.tiny-card,.callout,.bullet,.teacher-points div,.form-note{padding:14px 16px;border-radius:20px;border:1px solid var(--line);background:var(--surface-2);color:var(--muted)}
.tag,.badge{display:inline-block;padding:7px 11px;border-radius:999px;font-size:12px;font-weight:800}.tag{background:#ecfeff;color:#0f766e}.badge{background:#f5f3ff;color:#7c3aed}
.soft{color:var(--muted-2)}
section{padding:78px 0}.section-head{text-align:center;max-width:800px;margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted-2);font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:800}
h2{margin:18px 0 0;font-size:clamp(34px,4.3vw,58px);line-height:1.04;letter-spacing:-.03em;font-weight:950}.section-sub{margin-top:16px;color:var(--muted);font-size:18px;line-height:1.8}
.icon{width:58px;height:58px;border-radius:20px;display:grid;place-items:center;font-size:22px;margin-bottom:18px;background:linear-gradient(135deg, rgba(217,70,239,.12), rgba(6,182,212,.12));border:1px solid rgba(148,163,184,.2)}
.card h3,.pkg-title,.teacher-name{margin:0;font-weight:900}.card h3{font-size:24px}.card p,.teacher-desc{margin:12px 0 0;color:var(--muted);line-height:1.8}
.pkg-title{font-size:28px;margin-top:16px}.pkg-sub{margin-top:8px;color:var(--muted-2)}.pkg-price{font-size:44px;font-weight:950;margin-top:22px}.pkg ul{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}.pkg li{color:var(--muted);line-height:1.7}.pkg.featured{border-color:rgba(217,70,239,.22)}
.teacher-card{display:grid;grid-template-columns:110px 1fr;gap:20px;align-items:start}.avatar{width:110px;height:110px;border-radius:26px;display:grid;place-items:center;background:linear-gradient(135deg, rgba(217,70,239,.15), rgba(6,182,212,.16));border:1px solid rgba(148,163,184,.2);font-size:38px;font-weight:950}.teacher-role{font-size:13px;color:#0891b2;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.teacher-points{display:grid;gap:10px;margin-top:16px}
.table-wrap{overflow:auto;margin-top:28px}table{width:100%;min-width:720px;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}th,td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:left}th{background:#f8fafc;color:var(--muted-2);font-size:13px;letter-spacing:.08em;text-transform:uppercase}td{color:var(--muted)}
.callout-list,.bullet-list{display:grid;gap:12px;margin-top:18px}
.form-grid{grid-template-columns:.95fr 1.05fr;margin-top:40px}form{display:grid;gap:16px}.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}label{display:block;margin-bottom:8px;font-size:14px;font-weight:700;color:var(--text)}
input,select,textarea{width:100%;padding:14px 15px;border-radius:18px;border:1px solid var(--line);background:#fff;color:var(--text);outline:none}input::placeholder,textarea::placeholder{color:#94a3b8}input:focus,select:focus,textarea:focus{border-color:rgba(217,70,239,.6);box-shadow:0 0 0 4px rgba(217,70,239,.08)}
.footer{padding:24px 0 46px;text-align:center;color:var(--muted-2);font-size:13px}
.opt{border:1px solid var(--line);background:#fff;color:var(--muted);padding:13px 14px;border-radius:18px;cursor:pointer;transition:.18s ease}.opt.active{border-color:rgba(217,70,239,.7);background:#fdf4ff;color:var(--text)}
@media (max-width:980px){.hero-grid,.grid-2,.grid-3,.grid-4,.form-grid{grid-template-columns:1fr}.teacher-card{grid-template-columns:1fr}.mini-grid,.form-row{grid-template-columns:1fr}.nav-links{display:none}.brand img{height:44px}}


.menu-toggle{
  display:none;
  width:46px;
  height:46px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  align-items:center;
  justify-content:center;
  padding:0;
  box-shadow:var(--shadow);
}
.menu-toggle svg{width:22px;height:22px}
.nav-cta{white-space:nowrap}
.mobile-menu{
  display:none;
  padding:0 0 14px;
}
.mobile-menu-inner{
  display:grid;
  gap:10px;
  padding:14px;
  border:1px solid var(--line);
  border-radius:22px;
  background:#fff;
  box-shadow:var(--shadow);
}
.mobile-menu a{
  padding:12px 14px;
  border-radius:16px;
  color:var(--muted);
  font-weight:700;
}
.mobile-menu a.active,
.mobile-menu a:hover{
  background:var(--surface-2);
  color:var(--text);
}
.mobile-menu.is-open{display:block}
.teacher-photo{width:88px;height:112px;border-radius:20px;object-fit:cover;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
@media (max-width:980px){
  .nav-inner{padding:12px 0}
  .menu-toggle{display:inline-flex}
  .nav-cta{display:none}
  .mobile-menu{display:none}
  .mobile-menu.is-open{display:block}
  .teacher-photo{width:88px;height:112px;border-radius:20px;object-fit:cover;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
}


.hero{
  padding:72px 0 34px;
}
.hero-grid{
  grid-template-columns:1.02fr .98fr;
  gap:28px;
  align-items:stretch;
}
.hero-copy{
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.hero-copy .lead{
  max-width:680px;
}
.hero-panel{
  display:grid;
  gap:18px;
}
.video-card{
  background:linear-gradient(180deg,#ffffff 0%, #f8fafc 100%);
  border:1px solid var(--line);
  border-radius:30px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.video-card-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:18px 20px 0;
}
.video-card-title{
  font-size:20px;
  font-weight:900;
  color:var(--text);
}
.video-card-sub{
  margin-top:6px;
  color:var(--muted);
  line-height:1.65;
  font-size:14px;
}
.video-wrap{
  padding:18px 20px 20px;
}
.video-frame{
  position:relative;
  overflow:hidden;
  border-radius:24px;
  background:#0f172a;
  box-shadow:0 18px 40px rgba(15,23,42,.12);
}
.video-frame::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:90px;
  background:linear-gradient(180deg, rgba(15,23,42,0), rgba(15,23,42,.08));
  pointer-events:none;
}
.hero-video{
  width:100%;
  display:block;
  aspect-ratio: 16 / 9;
  object-fit:cover;
  background:#000;
}
.video-note{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:14px;
}
.note-pill{
  padding:9px 12px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--muted);
  font-size:13px;
  font-weight:700;
}
.quick-facts{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
}
.fact-card{
  padding:18px;
  border-radius:24px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.fact-value{
  font-size:26px;
  font-weight:950;
  color:var(--text);
}
.fact-label{
  margin-top:8px;
  color:var(--muted);
  line-height:1.55;
  font-size:14px;
}
.section-soft{
  background:linear-gradient(180deg, rgba(217,70,239,.04), rgba(6,182,212,.04));
  border-top:1px solid rgba(226,232,240,.8);
  border-bottom:1px solid rgba(226,232,240,.8);
}
.value-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:40px;
}
.value-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  box-shadow:var(--shadow);
  padding:24px;
}
.value-card h3{
  margin:0;
  font-size:24px;
  font-weight:900;
}
.value-card p{
  margin:12px 0 0;
  color:var(--muted);
  line-height:1.75;
}
.video-section-grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:20px;
  align-items:center;
  margin-top:42px;
}
.video-showcase{
  overflow:hidden;
  border-radius:30px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  padding:18px;
}
.video-showcase video{
  width:100%;
  display:block;
  border-radius:22px;
  aspect-ratio:16 / 9;
  object-fit:cover;
  background:#000;
}
.video-content{
  display:grid;
  gap:14px;
}
.highlight-list{
  display:grid;
  gap:12px;
}
.highlight-item{
  padding:15px 16px;
  border-radius:20px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--muted);
  box-shadow:var(--shadow);
}
@media (max-width:980px){
  .hero{
    padding-top:44px;
  }
  .hero-grid,
  .video-section-grid,
  .value-grid,
  .quick-facts{
    grid-template-columns:1fr;
  }
  .video-card-top{
    flex-direction:column;
    align-items:flex-start;
  }
}


@media (max-width:980px){
  .hero-panel{order:1}
  .hero-copy{order:2}
}


@media (max-width:980px){
  .wrap{
    width:min(100% - 20px, 1180px);
  }

  .nav{
    position:sticky;
    top:0;
  }

  .nav-inner{
    gap:12px;
    padding:10px 0;
  }

  .brand{
    gap:10px;
    min-width:0;
  }

  .brand img{
    height:40px;
  }

  .brand-title{
    font-size:15px;
    line-height:1.15;
  }

  .brand-sub{
    font-size:11px;
    line-height:1.2;
  }

  .hero{
    padding:24px 0 18px;
  }

  .hero-grid{
    display:grid;
    grid-template-columns:1fr;
    gap:16px;
    align-items:start;
  }

  .hero-panel{
    display:contents;
  }

  .video-card{
    order:1;
    border-radius:22px;
  }

  .video-card-top{
    padding:14px 14px 0;
    gap:10px;
  }

  .video-card-title{
    font-size:17px;
  }

  .video-card-sub{
    font-size:13px;
    line-height:1.55;
  }

  .video-wrap{
    padding:14px;
  }

  .video-frame{
    border-radius:18px;
  }

  .hero-video{
    aspect-ratio:16 / 10;
  }

  .video-note{
    gap:8px;
    margin-top:10px;
  }

  .note-pill{
    padding:7px 10px;
    font-size:12px;
  }

  .hero-copy{
    order:2;
    text-align:center;
    align-items:center;
  }

  .pill{
    font-size:12px;
    padding:8px 12px;
  }

  h1{
    font-size:34px;
    line-height:1.02;
    margin-top:14px;
  }

  .lead{
    margin-top:14px;
    font-size:16px;
    line-height:1.65;
    max-width:100%;
  }

  .hero-actions{
    width:100%;
    margin-top:18px;
    gap:10px;
  }

  .hero-actions .btn{
    width:100%;
    padding:13px 16px;
  }

  .mini-grid{
    width:100%;
    grid-template-columns:1fr;
    gap:10px;
    margin-top:16px;
  }

  .mini-card{
    text-align:left;
    padding:12px 14px;
    border-radius:16px;
    font-size:14px;
  }

  .quick-facts{
    order:3;
    grid-template-columns:repeat(3,1fr);
    gap:8px;
    margin-top:2px;
  }

  .fact-card{
    padding:12px 10px;
    border-radius:18px;
    text-align:center;
  }

  .fact-value{
    font-size:18px;
  }

  .fact-label{
    margin-top:5px;
    font-size:11px;
    line-height:1.35;
  }

  section{
    padding:54px 0;
  }

  .section-head{
    text-align:center;
  }

  h2{
    font-size:30px;
    line-height:1.08;
  }

  .section-sub{
    font-size:16px;
    line-height:1.65;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .value-grid,
  .video-section-grid,
  .form-grid{
    grid-template-columns:1fr;
    gap:14px;
    margin-top:28px;
  }

  .value-card,
  .card,
  .pkg,
  .highlight,
  .form-card{
    border-radius:22px;
    padding:18px;
  }

  .video-showcase{
    padding:12px;
    border-radius:22px;
  }

  .video-showcase video{
    border-radius:16px;
  }

  .highlight-item{
    padding:13px 14px;
    border-radius:16px;
  }

  .cta-row{
    gap:10px;
  }

  .cta-row .btn{
    width:100%;
  }

  .form-row{
    grid-template-columns:1fr;
    gap:12px;
  }
}

html,body{overscroll-behavior-x:none}
body{touch-action:pan-y}
.price-band{background:linear-gradient(180deg, rgba(217,70,239,.04), rgba(6,182,212,.03));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.price-summary{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:40px}
.price-card{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:24px}
.price-kicker{display:inline-block;padding:7px 11px;border-radius:999px;background:#f5f3ff;color:#7c3aed;font-size:12px;font-weight:800}
.price-card h3{margin:16px 0 0;font-size:28px;font-weight:900}
.price-card p{margin:10px 0 0;color:var(--muted);line-height:1.75}
.price-amount{margin-top:18px;font-size:44px;font-weight:950;color:var(--text)}
.price-meta{margin-top:8px;color:var(--muted-2);font-size:14px}
.price-points{display:grid;gap:10px;margin-top:18px}
.price-points div{padding:12px 14px;border-radius:18px;background:var(--surface-2);border:1px solid var(--line);color:var(--muted)}
@media (max-width:980px){.price-summary{grid-template-columns:1fr;gap:14px;margin-top:28px}.price-card{border-radius:22px;padding:18px}.price-card h3{font-size:24px}.price-amount{font-size:36px}}


html,body{
  overscroll-behavior-x:none;
}
body{
  touch-action:pan-y;
  -webkit-text-size-adjust:100%;
}
a,button,input,select,textarea,label,summary,[role="button"]{
  touch-action:manipulation;
  -webkit-tap-highlight-color:transparent;
}
input,select,textarea,button{
  font-size:16px;
}
.offer-cta-wrap{
  display:flex;
  justify-content:center;
  margin-top:22px;
}
.offer-cta-wrap .btn{
  min-width:220px;
}
@media (max-width:980px){
  html,body{
    position:relative;
    width:100%;
    overflow-x:hidden;
  }
  input,select,textarea,button{
    font-size:16px !important;
  }
  .offer-cta-wrap{
    margin-top:18px;
  }
  .offer-cta-wrap .btn{
    width:100%;
  }
}


.chat-fab{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:70;
  border:none;
  border-radius:999px;
  padding:14px 18px;
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:linear-gradient(135deg,var(--pink),var(--cyan));
  color:#fff;
  box-shadow:0 18px 40px rgba(6,182,212,.22);
  font-weight:800;
  cursor:pointer;
}
.chat-fab:hover{transform:translateY(-1px)}
.chat-fab svg{width:18px;height:18px}
.chat-overlay{
  position:fixed;
  inset:0;
  z-index:80;
  display:none;
  background:rgba(15,23,42,.34);
  backdrop-filter:blur(6px);
}
.chat-overlay.is-open{display:block}
.chat-modal{
  position:absolute;
  right:18px;
  bottom:82px;
  width:min(420px, calc(100% - 24px));
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  box-shadow:0 30px 80px rgba(15,23,42,.18);
  overflow:hidden;
}
.chat-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  padding:20px 20px 14px;
  border-bottom:1px solid var(--line);
}
.chat-title{
  font-size:22px;
  font-weight:900;
  color:var(--text);
}
.chat-sub{
  margin-top:6px;
  color:var(--muted);
  line-height:1.65;
  font-size:14px;
}
.chat-close{
  border:none;
  background:#fff;
  color:var(--muted-2);
  width:38px;
  height:38px;
  border-radius:12px;
  cursor:pointer;
}
.chat-close:hover{background:var(--surface-2);color:var(--text)}
.chat-body{
  padding:18px 20px 20px;
}
.chat-form{
  display:grid;
  gap:14px;
}
.chat-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
.chat-status{
  text-align:center;
  font-size:12px;
  line-height:1.65;
  color:var(--muted-2);
}
@media (max-width:980px){
  .chat-fab{
    right:12px;
    bottom:12px;
    padding:13px 16px;
  }
  .chat-overlay{
    padding:12px;
  }
  .chat-modal{
    right:12px;
    left:12px;
    width:auto;
    bottom:74px;
    border-radius:22px;
  }
  .chat-grid{
    grid-template-columns:1fr;
  }
}


.portal-auth-card{
  display:grid;
  grid-template-columns:1fr .9fr;
  gap:22px;
  margin-top:40px;
}
.portal-auth-left,.portal-auth-right,.portal-dashboard{
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  box-shadow:var(--shadow);
}
.portal-auth-left,.portal-auth-right,.portal-dashboard{
  padding:24px;
}
.portal-tabs{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
}
.portal-tab{
  padding:12px 14px;
  border-radius:16px;
  border:1px solid var(--line);
  background:var(--surface-2);
  color:var(--text);
  font-weight:800;
  cursor:pointer;
}
.portal-tab.active{
  background:linear-gradient(135deg,var(--pink),var(--cyan));
  color:#fff;
  border-color:transparent;
}
.portal-status{
  margin-top:16px;
  padding:14px 16px;
  border-radius:18px;
  background:var(--surface-2);
  border:1px solid var(--line);
  color:var(--muted);
  line-height:1.7;
  font-size:14px;
}
.portal-status[data-type="success"]{
  background:#ecfdf5;
  color:#166534;
  border-color:#bbf7d0;
}
.portal-status[data-type="error"]{
  background:#fef2f2;
  color:#b91c1c;
  border-color:#fecaca;
}
.portal-auth-hero h3{
  margin:0;
  font-size:28px;
  font-weight:900;
}
.portal-auth-hero p{
  margin:12px 0 0;
  color:var(--muted);
  line-height:1.8;
}
.portal-quick-points{
  display:grid;
  gap:12px;
  margin-top:18px;
}
.portal-dashboard{
  margin-top:28px;
}
.portal-account-bar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:10px;
}
.portal-account-name{
  font-size:28px;
  font-weight:900;
}
.portal-account-role{
  margin-top:6px;
  color:var(--muted);
  font-weight:700;
}
.portal-meta{
  margin-top:8px;
  color:var(--muted-2);
  font-size:13px;
}
.portal-link{
  display:inline-flex;
  margin-top:10px;
  color:#2563eb;
  font-weight:800;
}
@media (max-width:980px){
  .portal-auth-card{
    grid-template-columns:1fr;
    gap:16px;
    margin-top:28px;
  }
  .portal-auth-left,.portal-auth-right,.portal-dashboard{
    border-radius:22px;
    padding:18px;
  }
  .portal-account-name{
    font-size:24px;
  }
}


.portal-meta{margin-top:8px;color:var(--muted-2);font-size:13px;line-height:1.55}
.portal-auth-card{display:grid}


.portal-card-full{
  grid-column:1 / -1;
}
.portal-video-btn{
  margin-top:12px;
}
.live-chat-box{
  min-height:220px;
  max-height:420px;
  overflow:auto;
  margin-top:14px;
  padding:14px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#f8fafc;
  display:grid;
  gap:10px;
}
.chat-msg{
  padding:12px 14px;
  border-radius:16px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--muted);
}
.chat-msg.teacher{
  border-color:rgba(217,70,239,.25);
  background:#fdf4ff;
}
.chat-msg.student{
  border-color:rgba(6,182,212,.2);
  background:#ecfeff;
}
.live-chat-form{
  margin-top:14px;
}


.portal-card-full{grid-column:1 / -1}
.portal-video-btn{margin-top:12px}
.live-chat-box{
  min-height:220px;
  max-height:420px;
  overflow:auto;
  margin-top:14px;
  padding:14px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#f8fafc;
  display:grid;
  gap:10px;
}
.chat-msg{
  padding:12px 14px;
  border-radius:16px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--muted);
}
.chat-msg.teacher{border-color:rgba(217,70,239,.25);background:#fdf4ff}
.chat-msg.student{border-color:rgba(6,182,212,.2);background:#ecfeff}
.live-chat-form{margin-top:14px}
#general-chat-list{min-height:260px;max-height:420px}


.portal-classroom-shell{
  padding-top:46px;
}
.portal-hero-head{
  margin-bottom:20px;
}
.classroom-dashboard{
  padding:0;
  overflow:hidden;
  background:#f8fafc;
}
.classroom-topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:18px;
  padding:22px 24px;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.classroom-tabs-row{
  display:flex;
  gap:14px;
  padding:0 24px;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.classroom-tab{
  padding:16px 6px 14px;
  font-weight:800;
  color:var(--muted);
  border-bottom:3px solid transparent;
}
.classroom-tab.active{
  color:var(--blue);
  border-bottom-color:var(--blue);
}
.classroom-banner{
  margin:22px 24px 0;
  padding:28px;
  border-radius:30px;
  background:linear-gradient(135deg,#2563eb 0%, #1d4ed8 50%, #7c3aed 100%);
  color:#fff;
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:18px;
}
.classroom-course-name{
  font-size:42px;
  font-weight:950;
  line-height:1;
}
.classroom-course-sub{
  margin-top:10px;
  font-size:16px;
  line-height:1.65;
  color:rgba(255,255,255,.85);
}
.classroom-banner-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.classroom-banner .note-pill{
  background:rgba(255,255,255,.14);
  border-color:rgba(255,255,255,.2);
  color:#fff;
}
.classroom-video-top{
  margin:18px 24px 0;
}
.classroom-video-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  box-shadow:var(--shadow);
  padding:22px;
}
.classroom-card-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:16px;
  margin-bottom:14px;
}
.classroom-card-head h3{
  margin:0;
  font-size:28px;
  font-weight:900;
}
.classroom-card-head p{
  margin:8px 0 0;
  color:var(--muted);
  line-height:1.7;
}
.classroom-video-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.classroom-inner-card{
  background:var(--surface-2);
  box-shadow:none;
}
.classroom-content-grid{
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);
  gap:18px;
  margin:18px 24px 24px;
}
.classroom-main-column,
.classroom-side-column{
  display:grid;
  gap:18px;
  align-content:start;
}
#teacher-stream,
#student-stream{
  display:grid;
  gap:18px;
}
.live-chat-box + .live-chat-box{
  margin-top:12px;
}
@media (max-width:980px){
  .portal-classroom-shell{
    padding-top:28px;
  }
  .classroom-topbar,
  .classroom-tabs-row{
    padding-left:18px;
    padding-right:18px;
  }
  .classroom-topbar{
    flex-direction:column;
    align-items:flex-start;
  }
  .classroom-tabs-row{
    gap:10px;
    overflow:auto;
  }
  .classroom-banner{
    margin:18px 18px 0;
    padding:22px;
    border-radius:22px;
    flex-direction:column;
  }
  .classroom-course-name{
    font-size:34px;
  }
  .classroom-video-top{
    margin:16px 18px 0;
  }
  .classroom-video-card{
    padding:18px;
    border-radius:22px;
  }
  .classroom-card-head h3{
    font-size:24px;
  }
  .classroom-video-grid,
  .classroom-content-grid{
    grid-template-columns:1fr;
  }
  .classroom-content-grid{
    margin:16px 18px 18px;
  }
}


.classroom-tabs-row{
  display:flex;
  gap:14px;
  padding:0 24px;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.classroom-tab{
  appearance:none;
  border:none;
  background:transparent;
  padding:16px 6px 14px;
  font-weight:800;
  font-size:16px;
  color:var(--muted);
  border-bottom:3px solid transparent;
  cursor:pointer;
}
.classroom-tab.active{
  color:var(--blue);
  border-bottom-color:var(--blue);
}
.classroom-section-card{
  display:none;
}
.classroom-section-card.is-visible{
  display:block;
}


.classroom-section-block{
  display:none;
}
.classroom-section-block.is-visible{
  display:block;
}
.chat-modal{
  width:min(360px, calc(100% - 24px));
}
#general-chat-list,
#floating-chat-list{
  min-height:180px;
  max-height:280px;
}
.chat-body{
  padding:16px 16px 16px;
}
.live-chat-box{
  min-height:180px;
}
@media (max-width:980px){
  .chat-modal{
    bottom:74px;
    max-height:min(78vh, 620px);
  }
  #general-chat-list,
  #floating-chat-list{
    min-height:150px;
    max-height:240px;
  }
}


.chat-fab{
  right:18px;
  bottom:22px;
  padding:12px 16px 12px 14px;
  min-width:auto;
  border-radius:18px 18px 18px 18px;
  gap:8px;
  box-shadow:0 18px 40px rgba(6,182,212,.24);
}
.chat-fab .live-dot,
.general-live-dot{
  width:10px;
  height:10px;
  border-radius:999px;
  background:#22c55e;
  box-shadow:0 0 0 4px rgba(34,197,94,.18);
  display:inline-block;
}
.chat-modal{
  width:min(340px, calc(100% - 24px));
  right:18px;
  bottom:82px;
  border-radius:24px;
}
.chat-head{
  padding:16px 16px 12px;
}
.chat-title{
  font-size:20px;
}
.chat-sub{
  font-size:13px;
  line-height:1.5;
}
.chat-body{
  padding:12px 14px 14px;
}
#general-chat-list,
#floating-chat-list{
  min-height:140px;
  max-height:220px;
}
.live-chat-box{
  min-height:150px;
  max-height:260px;
}
@media (max-width:980px){
  .chat-fab{
    right:12px;
    bottom:14px;
    padding:11px 14px 11px 12px;
    border-radius:16px;
  }
  .chat-modal{
    right:12px;
    left:12px;
    width:auto;
    bottom:70px;
    border-radius:20px;
  }
  #general-chat-list,
  #floating-chat-list{
    min-height:130px;
    max-height:200px;
  }
}