:root{
  --bg:#0b0b0f;
  --bg-2:#111319;
  --bg-3:#171a22;
  --card:#15171f;
  --card-2:#1b1f29;
  --card-3:#202533;
  --text:#f5f5f7;
  --muted:#a5adba;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --accent:#e50914;
  --accent-2:#ff3b30;
  --accent-soft:rgba(229,9,20,.14);
  --green:#22c55e;
  --yellow:#fbbf24;
  --blue:#60a5fa;
  --shadow:0 18px 48px rgba(0,0,0,.45);
  --shadow-soft:0 10px 30px rgba(0,0,0,.28);
  --radius:24px;
  --container:min(1240px,calc(100% - 40px));
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 12% -10%, rgba(229,9,20,.20), transparent 45%),
    radial-gradient(900px 500px at 100% 0%, rgba(255,255,255,.06), transparent 35%),
    linear-gradient(180deg,#09090c 0%,#0d1016 30%,#121722 100%);
  min-height:100vh;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg, rgba(0,0,0,.18), rgba(0,0,0,.05) 18%, rgba(0,0,0,.22) 100%);
}

a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.hidden{display:none!important}
.container{width:var(--container);margin:0 auto}

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(9,10,14,.78);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav{
  min-height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{display:flex;align-items:center;gap:14px}
.brand-logo{
  width:48px;height:48px;
  border-radius:14px;
  padding:8px;
  background:linear-gradient(135deg, rgba(229,9,20,.16), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow-soft);
}
.brand-text strong{
  display:block;
  font-size:1.05rem;
  letter-spacing:.01em;
}
.brand-text span{
  display:block;
  color:var(--muted);
  font-size:.88rem;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.nav-links a,.user-chip{
  padding:11px 14px;
  border-radius:999px;
  color:#eef1f7;
  font-weight:700;
  font-size:.95rem;
}
.nav-links a{
  border:1px solid transparent;
  transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.nav-links a:hover,.nav-links a.active{
  transform:translateY(-1px);
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.10);
}
.user-chip{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.1);
  color:#fff;
}

.hero,.page-hero,.auth-hero{padding:56px 0 28px}
.section{padding:20px 0 34px}
.hero-grid,.lesson-hero-grid,.auth-shell{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:26px;
  align-items:start;
}
.duo-side-stack,.content-layout{
  display:grid;
  gap:18px;
}
.section-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:18px;
}
.section-head h2{margin:8px 0 0;font-size:clamp(1.7rem,3vw,2.4rem)}
.section-head p{max-width:640px}

.hero-panel,.panel,.lesson-card,.glass-card,.learn-card,.side-panel,.auth-card,.feature-card,.pdf-viewer,.locked-card,.progress-card,.mascot-card,.pdf-card,.info-card,.audio-card,.audio-hero-card,.level-card,.premium-step-card{
  background:
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)),
    linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow);
  border-radius:var(--radius);
}
.hero-panel,.panel,.lesson-card,.glass-card,.learn-card,.side-panel,.auth-card,.feature-card,.pdf-viewer,.locked-card,.progress-card,.mascot-card,.info-card,.audio-card,.audio-hero-card,.level-card{
  padding:24px;
}
.pdf-card,.premium-step-card{padding:18px}

.hero-panel-duo,.auth-card,.lesson-card,.locked-card,.audio-card,.progress-card,.mascot-card,.pdf-card,.info-card,.feature-card,.level-card{
  position:relative;
  overflow:hidden;
}
.hero-panel-duo::before,
.auth-card::before,
.lesson-card::before,
.locked-card::before,
.audio-card::before,
.progress-card::before,
.pdf-card::before,
.info-card::before,
.feature-card::before,
.level-card::before{
  content:"";
  position:absolute;
  inset:-1px -1px auto auto;
  width:180px;
  height:180px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(229,9,20,.18) 0%, rgba(229,9,20,0) 72%);
  pointer-events:none;
}

.kicker,.section-tag,.eyebrow,.meta-pill,.file-type,.level-badge,.level-stage{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  font-weight:800;
  font-size:.82rem;
  letter-spacing:.02em;
}
.kicker,.section-tag,.eyebrow,.level-stage{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  color:#fff;
}
.meta-pill,.file-type,.level-badge{
  background:rgba(229,9,20,.12);
  border:1px solid rgba(229,9,20,.28);
  color:#ffd8da;
}

.hero h1,.page-hero h1,.auth-card h1{
  margin:14px 0 12px;
  line-height:1.02;
  font-size:clamp(2.3rem,5vw,4.2rem);
  letter-spacing:-.03em;
}
h2,h3,h4{margin:0 0 10px}
p,.goal,.hero-summary,.dialogue-en,.tiny-text,.auth-note,.provider-sub,.pdf-copy span,.mascot-card p,.path-step small,.info-card p,.learn-card p,.feature-card p,.mini-note p,.breadcrumbs,.notice,.callout p,.footer,.footer a,.practice-answer{
  color:var(--muted);
}
strong{color:#fff}

.hero-actions,.lesson-links,.badge-row,.lesson-meta,.page-actions,.pagination,.auth-top-actions,.user-actions,.hero-auth-row,.footer-links,.auth-stack,.auth-stack-split,.provider-grid,.provider-head,.provider-panel,.level-top{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.badge-row{margin-top:18px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:13px 20px;
  border-radius:16px;
  font-weight:800;
  letter-spacing:.01em;
  border:1px solid rgba(255,255,255,.12);
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  box-shadow:var(--shadow-soft);
  cursor:pointer;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{
  background:linear-gradient(180deg, #ff2d20 0%, var(--accent) 100%);
  color:#fff;
  border-color:rgba(255,255,255,.08);
}
.btn-primary:hover{box-shadow:0 16px 30px rgba(229,9,20,.30)}
.btn-secondary,.btn-ghost{
  background:rgba(255,255,255,.06);
  color:#fff;
}
.btn-secondary:hover,.btn-ghost:hover{
  background:rgba(255,255,255,.10);
  border-color:rgba(255,255,255,.18);
}
.btn-yellow{
  background:linear-gradient(180deg,#ffd54f 0%,#f59e0b 100%);
  color:#221200;
  border-color:transparent;
}
.btn[disabled]{
  opacity:.46;
  cursor:not-allowed;
  pointer-events:none;
  transform:none!important;
  box-shadow:none;
}

.stat-grid,.home-feature-grid,.grid-2,.lesson-grid,.pdf-grid,.vocab-list,.practice-list,.recap-list,.steps-list,.mini-list,.provider-grid,.level-grid{
  display:grid;
  gap:18px;
}
.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.home-feature-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:24px}
.lesson-grid,.pdf-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-2,.provider-grid,.level-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.vocab-list,.practice-list,.recap-list,.steps-list,.mini-list{grid-template-columns:1fr}

.learn-card,.feature-card,.info-card,.panel,.side-panel,.pdf-card,.audio-card,.premium-step-card,.level-card{
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.learn-card:hover,.feature-card:hover,.lesson-card:hover,.info-card:hover,.pdf-card:hover,.audio-card:hover,.level-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,255,255,.16);
  box-shadow:0 24px 60px rgba(0,0,0,.42);
}

.path-list,.steps-list{display:grid;gap:14px}
.path-step,.step-item,.practice-item,.recap-item,.vocab-item,.dialogue-row,.audio-mini,.mini-note,.provider-card,.premium-code-box,.notice{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:18px;
}
.path-step,.step-item,.practice-item,.recap-item,.vocab-item,.dialogue-row,.audio-mini,.provider-card{
  padding:16px;
}
.path-step{
  display:flex;
  align-items:flex-start;
  gap:14px;
}
.path-step>span,.locked-icon,.mascot-badge,.pdf-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:14px;
  background:linear-gradient(135deg, rgba(229,9,20,.22), rgba(255,255,255,.06));
  border:1px solid rgba(255,255,255,.12);
  color:#fff;
  font-weight:800;
}
.path-step.done>span{background:linear-gradient(135deg, rgba(34,197,94,.28), rgba(255,255,255,.08))}
.path-step.current>span{background:linear-gradient(135deg, rgba(229,9,20,.34), rgba(255,255,255,.08))}

.breadcrumbs{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:18px;
  font-size:.94rem;
}
.breadcrumbs a{color:#fff}
.breadcrumbs a:hover{color:#ffd2d5}

.form-grid{display:grid;gap:14px}
label{
  display:grid;
  gap:8px;
  font-weight:700;
}
input,textarea,select{
  width:100%;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);
  color:#fff;
  padding:15px 16px;
  font:inherit;
  outline:none;
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
input::placeholder,textarea::placeholder{color:#8f99a8}
input:focus,textarea:focus,select:focus{
  border-color:rgba(229,9,20,.5);
  box-shadow:0 0 0 4px rgba(229,9,20,.14);
  background:rgba(255,255,255,.07);
}
input.input-valid{
  border-color:rgba(34,197,94,.55)!important;
  box-shadow:0 0 0 4px rgba(34,197,94,.14)!important;
}
input.input-invalid{
  border-color:rgba(255,71,87,.55)!important;
  box-shadow:0 0 0 4px rgba(255,71,87,.12)!important;
}

.field-note{
  margin:0;
  font-size:.95rem;
  color:var(--muted);
}
.field-note-error{
  color:#ff9ba1;
}
.field-note.field-note-success{
  display:inline-flex;
  align-items:center;
  gap:12px;
  margin-top:6px;
  padding:12px 14px;
  border-radius:18px;
  background:rgba(34,197,94,.12);
  border:1px solid rgba(34,197,94,.24);
  color:#d8ffe4;
  box-shadow:0 12px 28px rgba(34,197,94,.10);
}
.success-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:999px;
  background:linear-gradient(135deg,#22c55e,#16a34a);
  color:#fff;
  box-shadow:0 10px 24px rgba(34,197,94,.24);
  font-size:18px;
  font-weight:900;
}
.success-copy{
  display:inline-flex;
  flex-direction:column;
  line-height:1.12;
  text-align:left;
}
.success-copy small{
  color:#bdf5cb;
  margin-top:2px;
}

.email-field-wrap{position:relative}
.email-loading-indicator{
  position:absolute;
  right:16px;
  top:50%;
  transform:translateY(-50%);
  width:20px;height:20px;
  border:3px solid rgba(229,9,20,.18);
  border-top-color:var(--accent);
  border-radius:999px;
  animation:emailSpin .8s linear infinite;
  display:none;
  pointer-events:none;
  box-shadow:0 0 0 6px rgba(229,9,20,.07);
}
.email-field-wrap.is-checking .email-loading-indicator{display:block}
.email-field-wrap.is-checking input{
  padding-right:50px;
  border-color:rgba(229,9,20,.42);
  box-shadow:0 0 0 4px rgba(229,9,20,.10);
}
.email-field-wrap.is-checking::after{
  content:"";
  position:absolute;
  inset:-4px;
  border-radius:20px;
  border:2px solid rgba(229,9,20,.14);
  animation:emailPulseRing 1.15s ease-in-out infinite;
  pointer-events:none;
}
@keyframes emailSpin{to{transform:translateY(-50%) rotate(360deg)}}
@keyframes emailPulseRing{
  0%{opacity:.45;transform:scale(.99)}
  50%{opacity:.95;transform:scale(1.01)}
  100%{opacity:.45;transform:scale(.99)}
}
.checking-state{
  display:inline-flex;
  align-items:center;
  gap:12px;
  margin-top:8px;
  padding:13px 16px;
  border-radius:18px;
  background:linear-gradient(135deg, rgba(229,9,20,.16), rgba(255,255,255,.04));
  border:1px solid rgba(229,9,20,.24);
  color:#ffd7da;
  font-weight:800;
  box-shadow:0 12px 30px rgba(0,0,0,.24);
}
.checking-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;height:30px;
  border-radius:999px;
  background:rgba(229,9,20,.18);
  color:#fff;
  font-size:15px;
}
.checking-text{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  flex-wrap:wrap;
}
.checking-dots{
  display:inline-flex;
  align-items:center;
  min-width:40px;
  letter-spacing:4px;
  color:#fff;
  font-size:20px;
  font-weight:900;
}

.notice{
  padding:16px 18px;
  color:#ffd9a3;
  background:rgba(251,191,36,.10);
  border-color:rgba(251,191,36,.22);
}

.provider-panel,.provider-head,.provider-grid-login{display:grid;gap:16px}
.provider-grid,.provider-grid-login{grid-template-columns:repeat(3,minmax(0,1fr))}
.provider-card{
  text-align:center;
  display:grid;
  gap:10px;
  place-items:center;
}
.provider-card img,.provider-logo{width:34px;height:34px}

.dialogue-table,.vocab-list,.practice-list,.recap-list{display:grid;gap:12px}
.dialogue-row{
  display:grid;
  grid-template-columns:110px 1fr 1fr;
  gap:16px;
  align-items:start;
}
.dialogue-speaker{
  font-weight:800;
  color:#fff;
}
.dialogue-hu{font-weight:700}
.dialogue-en{font-size:.96rem}
.vocab-item{
  display:grid;
  grid-template-columns:1.1fr 1.4fr;
  gap:14px;
}
.practice-answer{
  margin-top:8px;
  padding-top:8px;
  border-top:1px dashed rgba(255,255,255,.10);
}

.audio-shell{
  border-radius:20px;
  padding:18px;
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.08);
}
.audio-shell.locked{
  background:linear-gradient(180deg, rgba(229,9,20,.08), rgba(255,255,255,.03));
}
.audio-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:14px;
}
.audio-title{
  display:flex;
  align-items:center;
  gap:12px;
  color:#fff;
  font-weight:800;
}
.audio-title small{display:block;color:var(--muted);font-weight:600}
.audio-badge{
  width:42px;height:42px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10)
}
.audio-player,.pdf-frame{
  width:100%;
  border:none;
  border-radius:18px;
}
.audio-player{
  min-height:54px;
  background:#fff;
}
.audio-player-wrap,.login-prompt{
  display:grid;
  gap:12px;
}
.login-prompt{
  padding:14px;
  border-radius:16px;
  background:rgba(255,255,255,.04);
}
.pdf-viewer{
  padding:18px;
}
.pdf-frame{
  min-height:78vh;
  background:#0c0d10;
}
.pdf-card{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:16px;
  align-items:center;
}
.pdf-icon{
  width:54px;height:54px;border-radius:18px;
  font-size:1.3rem;
}
.pdf-copy strong{display:block;font-size:1rem;margin-bottom:4px}
.pdf-copy span{display:block}

.locked-card{
  text-align:center;
  padding:34px 24px;
}
.locked-icon{
  margin:0 auto 16px;
  width:62px;height:62px;
  font-size:1.5rem;
}
.locked-card h2{font-size:2rem;margin-bottom:10px}

.auth-card-large{max-width:620px}
.auth-shell{align-items:center}
.auth-card{
  padding:30px;
}
.auth-card .hero-summary{max-width:700px}
.feature-card-auth{
  min-height:100%;
}

.level-top{
  justify-content:space-between;
}
.level-badge.premium{
  background:rgba(251,191,36,.12);
  border:1px solid rgba(251,191,36,.28);
  color:#ffe59c;
}
.level-card.premium{
  background:
    linear-gradient(180deg, rgba(251,191,36,.05), rgba(255,255,255,.02)),
    linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
}

.premium-modal-backdrop{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.72);
  display:grid;
  place-items:center;
  padding:20px;
  z-index:120;
}
.premium-modal-card{
  width:min(700px,100%);
  border-radius:28px;
  background:linear-gradient(180deg, #181b23 0%, #12151d 100%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:0 30px 90px rgba(0,0,0,.55);
  padding:26px;
  position:relative;
}
.premium-close{
  position:absolute;
  right:16px;top:16px;
  width:42px;height:42px;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);
  color:#fff;font-size:1.1rem;
}
.premium-steps{display:grid;gap:14px;margin:18px 0}
.premium-code-box{
  padding:16px;
  color:#fff;
}

.footer{
  padding:34px 0 44px;
  margin-top:10px;
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:22px;
}
.footer a:hover{color:#fff}

@media (max-width: 1100px){
  .hero-grid,.lesson-hero-grid,.auth-shell,.content-layout{grid-template-columns:1fr}
  .home-feature-grid,.lesson-grid,.pdf-grid,.provider-grid,.provider-grid-login,.level-grid,.grid-2{grid-template-columns:1fr 1fr}
}
@media (max-width: 780px){
  :root{--container:min(100% - 24px, 100%)}
  .site-header{position:static}
  .nav{padding:14px 0}
  .hero,.page-hero,.auth-hero{padding:34px 0 18px}
  .home-feature-grid,.lesson-grid,.pdf-grid,.provider-grid,.provider-grid-login,.level-grid,.grid-2,.stat-grid{grid-template-columns:1fr}
  .dialogue-row,.vocab-item,.pdf-card{grid-template-columns:1fr}
  .pdf-card{align-items:start}
  .hero h1,.page-hero h1,.auth-card h1{font-size:clamp(2rem,9vw,3rem)}
  .auth-card,.hero-panel,.panel,.lesson-card,.locked-card,.progress-card,.mascot-card,.info-card,.audio-card,.level-card,.pdf-viewer{padding:20px}
  .btn{width:100%}
  .hero-actions .btn,.auth-top-actions .btn,.auth-stack .btn,.pagination .btn{width:100%}
}


/* ---- polish + missing class fixes ---- */
.duo-hero{
  padding-top:64px;
}

.progress-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:18px;
}

.auth-card-large{
  width:100%;
  max-width:720px;
}

.feature-card-auth{
  min-height:100%;
  display:flex;
  flex-direction:column;
  justify-content:flex-start;
}

.auth-divider{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  margin:22px 0 18px;
}

.auth-divider::before{
  content:"";
  position:absolute;
  inset:50% 0 auto 0;
  height:1px;
  background:linear-gradient(90deg, transparent 0%, rgba(255,255,255,.12) 18%, rgba(255,255,255,.12) 82%, transparent 100%);
}

.auth-divider span{
  position:relative;
  z-index:1;
  padding:0 14px;
  background:linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
  color:var(--muted);
  font-size:.92rem;
  font-weight:700;
}

.muted-link{
  color:#fff;
  text-decoration:underline;
  text-decoration-color:rgba(255,255,255,.28);
  text-underline-offset:3px;
}

.muted-link:hover{
  text-decoration-color:rgba(229,9,20,.7);
  color:#ffd7da;
}

.provider-panel{
  gap:18px;
}

.provider-head h2{
  margin:0;
}

.provider-head p{
  margin:0;
  color:var(--muted);
}

.provider-grid,
.provider-grid-login{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
}

.provider-grid-login{
  grid-template-columns:minmax(0,1fr);
}

.provider-card{
  min-height:96px;
  padding:18px 18px;
  text-align:left;
  display:flex;
  align-items:center;
  gap:14px;
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.10);
  border-radius:20px;
  transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
  box-shadow:var(--shadow-soft);
}

.provider-card:hover{
  transform:translateY(-3px);
  border-color:rgba(255,255,255,.18);
  background:linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.04));
}

.provider-card > div{
  display:grid;
  gap:4px;
}

.provider-card strong{
  display:block;
  color:#fff;
  font-size:1rem;
  line-height:1.1;
}

.provider-card span{
  display:block;
  color:var(--muted);
  font-size:.9rem;
  line-height:1.35;
}

.provider-logo{
  width:42px;
  height:42px;
  flex-shrink:0;
  padding:8px;
  border-radius:14px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.10);
}

.form-grid > .btn{
  width:100%;
}

.btn-secondary-disabled{
  background:rgba(255,255,255,.04);
  color:rgba(255,255,255,.45);
  border:1px solid rgba(255,255,255,.08);
  pointer-events:none;
  box-shadow:none;
}

.home-files-intro{
  margin-bottom:18px;
  color:var(--muted);
}

.side-nav{
  display:grid;
  gap:10px;
  align-content:start;
}

.side-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:12px 14px;
  border-radius:16px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  color:#eef1f7;
  font-weight:700;
  transition:background .18s ease, border-color .18s ease, transform .18s ease;
}

.side-nav a:hover,
.side-nav a.active{
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.14);
  transform:translateY(-1px);
}

.audio-note{
  margin-top:10px;
  color:var(--muted);
  font-size:.92rem;
}

.premium-modal{
  display:grid;
  gap:18px;
}

.premium-advanced{
  border-color:rgba(251,191,36,.22);
  background:
    linear-gradient(180deg, rgba(251,191,36,.06), rgba(255,255,255,.02)),
    linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
}

ul.mini-list,
ul.steps-list,
ul.vocab-list,
ul.practice-list,
ul.recap-list{
  list-style:none;
  padding:0;
  margin:0;
}

.mini-list li{
  padding:14px 16px;
  border-radius:16px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  color:#eef1f7;
}

.notice strong{
  color:#fff;
}

.auth-card .btn,
.feature-card .btn{
  min-width:0;
}

@media (max-width: 780px){
  .provider-card{
    min-height:auto;
    padding:16px;
  }

  .provider-grid,
  .provider-grid-login{
    grid-template-columns:1fr;
  }
}