:root{
  --emerald-900:#0D4F3C;
  --emerald-700:#147A5A;
  --emerald-500:#10B981;
  --emerald-50:#ECFDF5;
  --gold-500:#D4A574;
  --gold-400:#E8B547;
  --gold-100:#FBF3E4;
  --cream:#FAF7F2;
  --ink:#1A1A1A;
  --muted:#6B6B6B;
  --line:#E8E2D5;
  --white:#FFFFFF;
  --shadow:0 10px 40px rgba(13,79,60,.08);
  --shadow-lg:0 20px 60px rgba(13,79,60,.15);
  --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Manrope',sans-serif;
  background:var(--cream);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Playfair Display',serif;line-height:1.2;color:var(--emerald-900)}
h1{font-size:clamp(2.2rem,5vw,4rem);font-weight:800}
h2{font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:700;margin-bottom:1rem}
h3{font-size:1.3rem;font-weight:700}
p{color:#333}
a{color:var(--emerald-700);text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:80px 0}
@media(max-width:768px){section{padding:56px 0}}

/* Кнопки */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:16px 32px;border-radius:100px;font-weight:700;font-size:1rem;
  cursor:pointer;border:none;transition:all .25s ease;text-decoration:none;
  font-family:inherit;
}
.btn-primary{background:var(--emerald-900);color:var(--white)}
.btn-primary:hover{background:var(--emerald-700);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-gold{background:linear-gradient(135deg,var(--gold-400),var(--gold-500));color:var(--emerald-900)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(212,165,116,.4)}
.btn-outline{background:transparent;color:var(--emerald-900);border:2px solid var(--emerald-900)}
.btn-outline:hover{background:var(--emerald-900);color:var(--white)}

/* HEADER */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(250,247,242,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.1rem;color:var(--emerald-900)}
.logo-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--emerald-900),var(--emerald-700));
  display:flex;align-items:center;justify-content:center;color:var(--gold-400);
  font-family:'Playfair Display',serif;font-weight:800;font-size:1.2rem;
}
.nav{display:flex;gap:28px;align-items:center}
.nav a{color:var(--ink);font-weight:500;font-size:.95rem;transition:color .2s}
.nav a:hover{color:var(--emerald-700)}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2px;background:var(--emerald-900);margin:5px 0;transition:.3s}
@media(max-width:900px){
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--cream);flex-direction:column;padding:24px;border-bottom:1px solid var(--line);gap:16px}
  .nav.open{display:flex}
  .burger{display:block}
  .header .btn{display:none}
}

/* HERO */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--emerald-900) 0%,var(--emerald-700) 100%);
  color:var(--white);padding:100px 0 120px;
}
.hero::before{
  content:'';position:absolute;top:-100px;right:-100px;width:500px;height:500px;
  background:radial-gradient(circle,rgba(232,181,71,.15),transparent 70%);
  border-radius:50%;
}
.hero::after{
  content:'';position:absolute;bottom:-150px;left:-150px;width:400px;height:400px;
  background:radial-gradient(circle,rgba(16,185,129,.2),transparent 70%);
  border-radius:50%;
}
.hero-content{position:relative;z-index:2;max-width:800px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(232,181,71,.15);border:1px solid rgba(232,181,71,.3);
  color:var(--gold-400);padding:8px 18px;border-radius:100px;
  font-size:.9rem;font-weight:600;margin-bottom:24px;
}
.hero h1{color:var(--white);margin-bottom:16px}
.hero h1 .accent{color:var(--gold-400);font-style:italic}
.hero h1 .accent-gold{
  font-style:italic;
  background:linear-gradient(120deg,var(--gold-400) 0%,var(--gold-100) 45%,var(--gold-400) 100%);
  background-size:200% auto;
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  animation:gold-shine 4s linear infinite;
}
@keyframes gold-shine{to{background-position:200% center}}
@media (prefers-reduced-motion:reduce){.hero h1 .accent-gold{animation:none}}
.hero-sub{font-size:clamp(1.05rem,1.8vw,1.3rem);color:rgba(255,255,255,.85);margin-bottom:32px;max-width:680px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px}
.hero-badges span{
  background:rgba(255,255,255,.1);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.15);
  padding:10px 18px;border-radius:100px;font-size:.9rem;font-weight:500;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.hero-micro{color:rgba(255,255,255,.65);font-size:.9rem;margin-top:12px}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:60px;align-items:center}
@media(max-width:900px){.about-grid{grid-template-columns:1fr;gap:40px}}
.about-photo{
  aspect-ratio:4/5;border-radius:var(--radius);
  background:linear-gradient(135deg,var(--emerald-700),var(--emerald-900));
  position:relative;overflow:hidden;box-shadow:var(--shadow-lg);
}
.about-photo-image{
  width:100%;height:100%;display:block;object-fit:cover;object-position:center top;
}
.about-photo-badge{
  position:absolute;bottom:24px;left:24px;right:24px;
  background:rgba(255,255,255,.95);backdrop-filter:blur(10px);
  padding:16px 20px;border-radius:14px;
}
.about-photo-badge strong{color:var(--emerald-900);display:block;font-size:1.1rem;margin-bottom:2px}
.about-photo-badge span{color:var(--muted);font-size:.85rem}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}
.stat{
  background:var(--white);padding:20px;border-radius:14px;border:1px solid var(--line);
  text-align:center;
}
.stat-num{font-family:'Playfair Display',serif;font-size:2rem;font-weight:800;color:var(--emerald-900)}
.stat-label{font-size:.85rem;color:var(--muted);margin-top:4px}

/* Кому курс */
.for-whom{background:var(--white)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:40px}
.card{
  background:var(--cream);padding:28px;border-radius:var(--radius);
  border:1px solid var(--line);transition:all .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--gold-500)}
.card-icon{
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,var(--emerald-50),var(--gold-100));
  display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:16px;
}
.card h3{margin-bottom:8px;color:var(--emerald-900)}
.card p{color:var(--muted);font-size:.95rem}

/* Честно */
.honest{
  background:linear-gradient(135deg,var(--gold-100),var(--cream));
  border-radius:var(--radius);padding:60px;margin:0 24px;
}
@media(max-width:768px){.honest{padding:40px 24px;margin:0 16px}}
.honest-inner{max-width:780px;margin:0 auto;text-align:center}
.honest h2{margin-bottom:20px}
.honest p{font-size:1.1rem;margin-bottom:16px;color:#333}
.honest strong{color:var(--emerald-900)}

/* Программа */
.program{background:var(--white)}
.modules{margin-top:40px;max-width:880px;margin-left:auto;margin-right:auto}
.module{
  background:var(--cream);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:all .3s;
}
.module:hover{border-color:var(--gold-500)}
.module-head{
  padding:20px 24px;cursor:pointer;display:flex;align-items:center;gap:16px;
  user-select:none;
}
.module-num{
  flex-shrink:0;width:44px;height:44px;border-radius:12px;
  background:var(--emerald-900);color:var(--gold-400);
  display:flex;align-items:center;justify-content:center;
  font-family:'Playfair Display',serif;font-weight:700;font-size:1.1rem;
}
.module-title{flex:1;font-weight:700;color:var(--emerald-900);font-size:1.05rem}
.module-toggle{
  width:32px;height:32px;border-radius:50%;background:var(--white);
  display:flex;align-items:center;justify-content:center;
  transition:transform .3s;color:var(--emerald-900);font-size:1.2rem;
}
.module.open .module-toggle{transform:rotate(45deg);background:var(--emerald-900);color:var(--gold-400)}
.module-body{
  max-height:0;overflow:hidden;transition:max-height .4s ease;
}
.module-body-inner{padding:0 24px 24px 84px}
.module-body ul{list-style:none}
.module.open .module-body{
  max-height:600px;
}
.module-body li{
  padding:8px 0;color:#444;font-size:.95rem;
  padding-left:20px;position:relative;
}
.module-body li::before{
  content:'✓';position:absolute;left:0;color:var(--emerald-500);font-weight:700;
}

/* Бонусы */
.bonuses{background:var(--emerald-900);color:var(--white)}
.bonuses h2{color:var(--white)}
.bonuses .section-sub{color:rgba(255,255,255,.7)}
.bonus-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-top:40px}
.bonus{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  padding:28px;border-radius:var(--radius);backdrop-filter:blur(10px);
}
.bonus-icon{font-size:2.2rem;margin-bottom:14px}
.bonus h3{color:var(--gold-400);margin-bottom:8px}
.bonus p{color:rgba(255,255,255,.8);font-size:.95rem}

/* Формат */
.format-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:40px}
.format-item{
  background:var(--white);padding:28px;border-radius:var(--radius);
  border:1px solid var(--line);text-align:center;
}
.format-item-icon{font-size:2.4rem;margin-bottom:12px}
.format-item h3{margin-bottom:6px;font-size:1.1rem}
.format-item p{color:var(--muted);font-size:.9rem}

/* Почему у меня */
.why{background:var(--gold-100)}
.cases{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-top:40px}
.case{
  background:var(--white);padding:28px;border-radius:var(--radius);
  border-left:4px solid var(--gold-500);box-shadow:var(--shadow);
}
.case-tag{
  display:inline-block;background:var(--emerald-50);color:var(--emerald-700);
  padding:4px 12px;border-radius:100px;font-size:.8rem;font-weight:600;margin-bottom:12px;
}
.case p{color:#333;font-size:.95rem}

/* Стоимость */
.pricing{background:var(--white);text-align:center}
.price-card{
  max-width:560px;margin:40px auto 0;
  background:linear-gradient(135deg,var(--emerald-900),var(--emerald-700));
  color:var(--white);padding:48px 40px;border-radius:24px;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.price-card::before{
  content:'';position:absolute;top:-50px;right:-50px;width:200px;height:200px;
  background:radial-gradient(circle,rgba(232,181,71,.2),transparent 70%);border-radius:50%;
}
.price-label{color:var(--gold-400);font-weight:600;margin-bottom:8px;letter-spacing:1px;text-transform:uppercase;font-size:.85rem}
.price-amount{font-family:'Playfair Display',serif;font-size:4rem;font-weight:800;color:var(--white);margin:12px 0}
.price-amount small{font-size:1.5rem;color:var(--gold-400)}
.price-note{color:rgba(255,255,255,.8);margin-bottom:28px;font-size:1.05rem}
.price-includes{text-align:left;margin:28px 0;padding:24px;background:rgba(255,255,255,.08);border-radius:14px}
.price-includes li{list-style:none;padding:8px 0;color:rgba(255,255,255,.9);padding-left:28px;position:relative;font-size:.95rem}
.price-includes li::before{content:'✓';position:absolute;left:0;color:var(--gold-400);font-weight:700}

/* Отзывы */
.reviews-empty{
  text-align:center;padding:60px 24px;background:var(--cream);
  border-radius:var(--radius);border:2px dashed var(--line);margin-top:32px;
}
.reviews-empty-icon{font-size:3rem;margin-bottom:12px}

/* FAQ */
.faq{background:var(--white)}
.faq-list{max-width:820px;margin:40px auto 0}
.faq-item{
  border-bottom:1px solid var(--line);padding:20px 0;cursor:pointer;
}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;font-weight:600;color:var(--emerald-900);font-size:1.05rem}
.faq-toggle{color:var(--gold-500);font-size:1.5rem;transition:transform .3s;flex-shrink:0}
.faq-item.open .faq-toggle{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s;color:#444}
.faq-item.open .faq-a{max-height:400px;padding-top:14px}

/* Финальный CTA */
.final-cta{
  background:linear-gradient(135deg,var(--emerald-900),var(--emerald-700));
  color:var(--white);text-align:center;
}
.final-cta h2{color:var(--white);margin-bottom:16px}
.final-cta p{color:rgba(255,255,255,.85);font-size:1.15rem;margin-bottom:32px;max-width:620px;margin-left:auto;margin-right:auto}
.cta-form{
  max-width:520px;margin:0 auto;background:rgba(255,255,255,.08);
  padding:32px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.15);
  backdrop-filter:blur(10px);
}
.form-row{margin-bottom:14px}
.form-row input{
  width:100%;padding:14px 18px;border-radius:12px;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.95);color:var(--ink);font-family:inherit;font-size:1rem;
}
.form-row input:focus{outline:none;border-color:var(--gold-400)}
.form-row input.phone-input.is-complete{border-color:var(--gold-400);box-shadow:0 0 0 3px rgba(212,165,116,.22)}
.form-check{display:flex;gap:10px;align-items:flex-start;margin:16px 0;color:rgba(255,255,255,.7);font-size:.85rem;text-align:left}
.form-check input{margin-top:3px}
.form-check a{color:var(--gold-400);text-decoration:underline}
.form-success{
  display:none;background:var(--emerald-50);color:var(--emerald-900);
  padding:20px;border-radius:12px;margin-top:16px;font-weight:600;
}
.form-success.show{display:block}
.or-divider{
  display:flex;align-items:center;gap:12px;margin:24px 0;color:rgba(255,255,255,.6);
}
.or-divider::before,.or-divider::after{content:'';flex:1;height:1px;background:rgba(255,255,255,.2)}
.vk-cta{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--white);color:var(--emerald-900);padding:14px 28px;border-radius:100px;
  font-weight:700;transition:all .25s;
}
.vk-cta:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,0,0,.2)}

/* FOOTER */
.footer{background:var(--ink);color:rgba(255,255,255,.7);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:32px}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr;gap:24px}}
.footer h4{color:var(--white);margin-bottom:14px;font-family:'Manrope',sans-serif;font-size:1rem;font-weight:700}
.footer a{color:rgba(255,255,255,.7);display:block;padding:4px 0;font-size:.9rem}
.footer a:hover{color:var(--gold-400)}
.footer-details{font-size:.9rem;color:rgba(255,255,255,.7);line-height:1.8}
.footer-details a{color:var(--gold-400);font-weight:700;margin-top:4px}
.footer-socials{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.footer-social{display:inline-flex!important;align-items:center;gap:8px;padding:9px 12px!important;border:1px solid rgba(255,255,255,.15);border-radius:10px;background:rgba(255,255,255,.06);font-weight:700}
.footer-social-icon{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:7px;background:#2787f5;color:#fff;font-size:.68rem}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:20px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:.85rem;color:rgba(255,255,255,.5);
}

/* ============ ЛИЧНЫЙ КАБИНЕТ ============ */
.lk{display:none;min-height:100vh;background:var(--cream)}
.lk.active{display:block}
.lk-header{
  background:var(--white);border-bottom:1px solid var(--line);
  padding:16px 0;position:sticky;top:0;z-index:50;
}
.lk-header-inner{display:flex;justify-content:space-between;align-items:center}
.lk-user{display:flex;align-items:center;gap:12px}
.lk-avatar{
  width:40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,var(--emerald-700),var(--gold-500));
  color:var(--white);display:flex;align-items:center;justify-content:center;font-weight:700;
}
.lk-layout{display:grid;grid-template-columns:260px 1fr;gap:32px;padding:32px 0}
@media(max-width:900px){.lk-layout{grid-template-columns:1fr}}
.lk-sidebar{
  background:var(--white);border-radius:var(--radius);padding:20px;
  border:1px solid var(--line);height:fit-content;
}
.lk-nav-item{
  display:flex;align-items:center;gap:12px;padding:12px 14px;
  border-radius:10px;cursor:pointer;color:var(--ink);font-weight:500;
  transition:all .2s;margin-bottom:4px;
}
.lk-nav-item{text-decoration:none}
.lk-nav-item:hover{background:var(--cream)}
.lk-nav-item.active{background:var(--emerald-900);color:var(--white)}
.lk-nav-item .ico{font-size:1.2rem}
.lk-content{
  background:var(--white);border-radius:var(--radius);padding:32px;
  border:1px solid var(--line);min-height:500px;
}
.lk-welcome{
  background:linear-gradient(135deg,var(--emerald-900),var(--emerald-700));
  color:var(--white);padding:32px;border-radius:var(--radius);margin-bottom:24px;
}
.lk-welcome h2{color:var(--white);margin-bottom:8px;font-size:1.8rem}
.lk-welcome p{color:rgba(255,255,255,.85)}
.lk-status{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:16px;margin-top:24px;
}
.lk-status-card{
  background:rgba(255,255,255,.1);padding:16px;border-radius:12px;
  border:1px solid rgba(255,255,255,.15);
}
.lk-status-label{font-size:.8rem;color:var(--gold-400);text-transform:uppercase;letter-spacing:1px;margin-bottom:4px}
.lk-status-value{font-weight:700;font-size:1.05rem}

.lk-section{display:none}
.lk-section.active{display:block}
.lk-module{
  background:var(--cream);border:1px solid var(--line);border-radius:14px;
  padding:20px;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.lk-module-info h3{font-size:1.05rem;margin-bottom:4px}
.lk-module-info p{color:var(--muted);font-size:.85rem}
.lk-module-tag{
  background:var(--emerald-50);color:var(--emerald-700);
  padding:6px 14px;border-radius:100px;font-size:.8rem;font-weight:600;white-space:nowrap;
}
.module-page{max-width:900px;margin:0 auto}
.module-back{display:inline-block;margin-bottom:24px;font-weight:700}
.module-page-heading{display:flex;align-items:flex-start;gap:16px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.module-page-heading h2{margin:4px 0 0}
.module-description{color:var(--muted);margin-top:8px}
.lesson-list{margin-top:24px}
.lesson-row{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.lesson-row-number{width:38px;height:38px;border-radius:10px;background:var(--emerald-50);color:var(--emerald-700);display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.lesson-row-content{flex:1;min-width:0}
.lesson-row-title{display:block;color:var(--emerald-900);font-weight:700}
.lesson-row-title:hover{text-decoration:underline}
.lesson-row-meta{display:block;color:var(--muted);font-size:.82rem;margin-top:3px}
.lesson-check{width:34px;height:34px;position:relative;display:block;flex-shrink:0;cursor:pointer}
.lesson-check input{position:absolute;opacity:0;width:1px;height:1px}
.lesson-checkmark{width:34px;height:34px;border:2px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;color:transparent;font-weight:800;transition:all .2s}
.lesson-check input:checked + .lesson-checkmark{background:var(--emerald-700);border-color:var(--emerald-700);color:var(--white)}
.lesson-check input:focus-visible + .lesson-checkmark{outline:3px solid rgba(20,122,90,.2);outline-offset:2px}
.lesson-check input:disabled + .lesson-checkmark{cursor:default}
.lesson-row.is-completed .lesson-row-title{color:var(--muted);text-decoration:line-through}
.module-empty{color:var(--muted);padding:24px 0}
.homework-list{display:grid;gap:20px}
.homework-card{padding:24px;background:var(--cream);border:1px solid var(--line);border-radius:14px}
.homework-card.is-completed{border-color:var(--emerald-500)}
.homework-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.homework-card-header h3{color:var(--emerald-900)}
.homework-deadline{color:var(--muted);font-size:.82rem;white-space:nowrap}
.homework-description{margin:16px 0;color:#333}
.homework-file{display:inline-block;margin:0 0 16px;color:var(--emerald-700);font-weight:700}
.homework-form label{display:block;color:var(--emerald-900);font-weight:700;margin-bottom:7px}
.homework-form input[type=file]{display:block;margin:0 0 16px;color:var(--muted)}
.homework-form textarea{display:block;width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:10px;background:var(--white);color:var(--ink);font:inherit;resize:vertical;margin-bottom:14px}
.homework-form textarea:focus{outline:none;border-color:var(--emerald-700);box-shadow:0 0 0 3px rgba(20,122,90,.12)}
.homework-complete{display:inline-block;padding:8px 12px;border-radius:8px;background:var(--emerald-50);color:var(--emerald-900);font-weight:700}
.homework-error{color:#b00020;font-size:.9rem;margin-bottom:12px}
.homework-answer{margin-top:16px;padding:14px;background:var(--white);border-radius:10px;color:#333}
.homework-empty{text-align:center;padding:56px 24px;border:2px dashed var(--line);border-radius:14px}
.homework-empty-icon{color:var(--emerald-500);font-size:2.4rem;margin-bottom:8px}
@media(max-width:600px){.homework-card-header{display:block}.homework-deadline{display:block;margin-top:8px}}
.lk-material{
  display:flex;align-items:center;gap:16px;padding:16px;
  background:var(--cream);border-radius:12px;margin-bottom:10px;
  border:1px solid var(--line);transition:all .2s;cursor:pointer;
}
.lk-material:hover{border-color:var(--gold-500);transform:translateX(4px)}
.lk-material-icon{
  width:44px;height:44px;border-radius:10px;background:var(--emerald-50);
  display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0;
}
.lk-material-info{flex:1}
.lk-material-info strong{display:block;color:var(--emerald-900);margin-bottom:2px}
.lk-material-info span{color:var(--muted);font-size:.85rem}
.material-item{margin:0 0 16px}
.lesson-material{padding:20px 0;border-top:1px solid var(--line)}
.lesson-material h3{font-size:1rem;margin-bottom:12px}
.video-frame-wrap{width:100%;aspect-ratio:16/9;margin:16px 0 24px;background:#111;border-radius:14px;overflow:hidden}
.video-frame{width:100%;height:100%;border:0;display:block}

.settings-title{margin-bottom:8px}
.settings-subtitle{color:var(--muted);margin-bottom:28px}
.settings-form{max-width:620px}
.settings-field{margin-bottom:18px}
.settings-field label{display:block;color:var(--emerald-900);font-weight:700;margin-bottom:7px}
.settings-field input{width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:10px;background:var(--cream);color:var(--ink);font:inherit}
.settings-field input:focus{outline:none;border-color:var(--emerald-700);box-shadow:0 0 0 3px rgba(20,122,90,.12)}
.settings-field-readonly input{background:#f0eee9;color:var(--muted);cursor:not-allowed}
.settings-field ul,.settings-form>ul{list-style:none;color:#b00020;font-size:.85rem;margin-top:6px}
.settings-help{display:block;color:var(--muted);font-size:.82rem;margin-top:6px}
.settings-message{background:var(--emerald-50);color:var(--emerald-900);padding:13px 16px;border-radius:10px;margin-bottom:20px;font-weight:600}

/* LOGIN */
.login-screen{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--emerald-900),var(--emerald-700));
  padding:24px;
}
.login-card{
  background:var(--white);padding:48px 40px;border-radius:24px;
  max-width:420px;width:100%;box-shadow:var(--shadow-lg);
}
.login-card h2{text-align:center;margin-bottom:8px}
.login-card .sub{text-align:center;color:var(--muted);margin-bottom:28px}
.login-card .form-row input{background:var(--cream);border:1px solid var(--line);color:var(--ink)}
.login-card .btn{width:100%;margin-top:8px}
.login-hint{
  margin-top:20px;padding:14px;background:var(--gold-100);
  border-radius:10px;font-size:.85rem;color:var(--emerald-900);text-align:center;
}
.login-error{
  display:none;background:#FEE;color:#C33;padding:12px;border-radius:10px;
  margin-bottom:14px;font-size:.9rem;text-align:center;
}
.login-error.show{display:block}

/* Анимации */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.fade-up{animation:fadeUp .6s ease both}