*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:#0b0b10;color:#e9e9ef;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji;overflow-x:hidden;min-height:100dvh}
:root{--safe-bottom:env(safe-area-inset-bottom, 0px);color-scheme:dark}
.bg{position:fixed;inset:0;z-index:-2;overflow:hidden}
.blob{position:absolute;width:50vmax;height:50vmax;border-radius:50%;filter:blur(64px);opacity:.3;animation:float 26s ease-in-out infinite}
.b1{background:radial-gradient(circle at 30% 30%,#8a2be2,transparent 60%);top:-10vmax;left:-20vmax;animation-duration:24s}
.b2{background:radial-gradient(circle at 70% 40%,#4169e1,transparent 60%);bottom:-15vmax;right:-25vmax;animation-duration:26s}
.b3{background:radial-gradient(circle at 40% 70%,#6a5acd,transparent 60%);top:20vmax;right:10vmax;animation-duration:28s}
.grain{position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.65' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.03'/%3E%3C/svg%3E");opacity:.22;mix-blend-mode:overlay;pointer-events:none}

.bg::after{content:"";position:absolute;inset:-30%;pointer-events:none;background:radial-gradient(circle 40vmax at var(--gx,50%) var(--gy,85%), rgba(151,71,255,.14), rgba(58,160,255,.1) 40%, transparent 68%);filter:blur(72px);opacity:.75;transition:opacity .25s ease;mix-blend-mode:screen}
.bg:hover::after{opacity:1}
@keyframes float{0%{transform:translate(0,0)}50%{transform:translate(5vmax,-3vmax)}100%{transform:translate(0,0)}}

.hero{min-height:70vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:6rem 1.25rem 4rem;position:relative}
.hero::before{content:"";position:absolute;inset:-25%;pointer-events:none;background:radial-gradient( circle 22vmax at var(--mx,50%) var(--my,50%), rgba(151,71,255,.22), rgba(58,160,255,.16) 36%, transparent 64% );filter:blur(36px);opacity:.6;transition:opacity .25s ease;mix-blend-mode:screen}
.hero:hover::before{opacity:.9}
.hero h1{font-size:clamp(3rem,8vw,6rem);letter-spacing:.02em;margin:0;background:linear-gradient(180deg,#fff,#bfbfd4);-webkit-background-clip:text;background-clip:text;color:transparent;position:relative;z-index:1}
.hero p{margin:.75rem 0 2rem;color:#b8b8c7;font-size:clamp(1rem,2.5vw,1.25rem);position:relative;z-index:1}
.btn{appearance:none;border:0;border-radius:14px;padding:.9rem 1.25rem;font-weight:600;letter-spacing:.02em;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .3s ease,color .3s ease;min-height:44px}
.btn.primary{background:linear-gradient(135deg,#6b46ff,#9747ff);color:#fff;box-shadow:0 10px 30px rgba(107,70,255,.25)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 16px 44px rgba(107,70,255,.35)}
.btn.ghost{background:rgba(255,255,255,.06);backdrop-filter:blur(8px);color:#e9e9ef;border:1px solid rgba(255,255,255,.12)}
.btn.ghost:hover{background:rgba(255,255,255,.12)}

.auth-panel{position:fixed;top:16px;left:16px;width:320px;max-width:92vw;max-height:80vh;background:rgba(255,255,255,.06);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.12);border-radius:18px;box-shadow:0 20px 60px rgba(0,0,0,.35);z-index:10;overflow:hidden;transition:width .25s ease,max-height .25s ease,border-radius .25s ease,transform .25s ease,box-shadow .25s ease}
.auth-min{position:absolute;top:8px;right:8px;width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.14);border-radius:8px;cursor:pointer}
.auth-min:hover{background:rgba(255,255,255,.12)}
.auth-panel .tabs,.auth-panel .tab-content{transition:opacity .2s ease}
.auth-panel.collapsed{width:44px;max-height:44px;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.3)}
.auth-panel.collapsed .tabs,.auth-panel.collapsed .tab-content{opacity:0;pointer-events:none}
.auth-panel.collapsed .auth-min{position:static;width:100%;height:100%;border-radius:12px;display:flex;align-items:center;justify-content:center}
.tabs{position:relative;display:flex}
.tab{flex:1;background:transparent;color:#cfcfe4;padding:.9rem .75rem;font-weight:600;border:0;cursor:pointer}
.tab.active{color:#fff}
.tab-underline{position:absolute;bottom:0;height:2px;width:50%;left:0;background:linear-gradient(90deg,#6b46ff,#3aa0ff);transition:left .3s ease}
.tab-content{padding:1rem}
.form{display:none}
.form.show{display:block}
.field{margin-bottom:.85rem}
.field input,.field select{width:100%;padding:.8rem 1rem;border-radius:12px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.08);color:#fff;outline:none;transition:border .2s ease,box-shadow .2s ease,background .2s ease}
.field input::placeholder{color:#c1c1d3}
.field input:focus,.field select:focus{border-color:#7b6dff;box-shadow:0 0 0 4px rgba(123,109,255,.15);background:rgba(255,255,255,.12)}
.select select{appearance:none}
.field select option,.field select optgroup{background:#14141e;color:#e9e9ef}
.field select option:checked,.field select option:hover{background:#2a2a3a;color:#fff}

.avatar{position:fixed;top:16px;left:16px;display:flex;align-items:center;gap:.5rem;z-index:11}
.avatar-circle{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#6b46ff,#3aa0ff);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;letter-spacing:.02em;box-shadow:0 10px 30px rgba(59,97,255,.4);cursor:pointer}
.avatar-menu{position:absolute;top:58px;left:0;background:rgba(20,20,30,.9);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);border-radius:14px;overflow:hidden;opacity:0;pointer-events:none;transform:translateY(-6px);transition:opacity .2s ease,transform .2s ease}
.avatar-menu.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.avatar-menu button{display:block;width:180px;background:transparent;border:0;color:#e5e6f0;text-align:left;padding:.8rem 1rem;cursor:pointer}
.avatar-menu button:hover{background:rgba(255,255,255,.08)}

.progress-indicator{position:fixed;top:16px;right:16px;display:flex;flex-direction:column;gap:.4rem;align-items:flex-end;background:rgba(255,255,255,.06);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:.75rem 1rem;box-shadow:0 10px 30px rgba(0,0,0,.35);z-index:9}
.progress-indicator span{color:#e9e9ef;font-weight:600}
.progress-bar{width:220px;height:8px;background:rgba(255,255,255,.08);border-radius:999px;overflow:hidden}
.progress-fill{height:100%;width:0;background:linear-gradient(90deg,#6b46ff,#3aa0ff);transition:width .4s ease}

.modules{padding:2rem 1rem calc(5rem + var(--safe-bottom));max-width:1200px;margin:0 auto}
.grid{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:1rem}
@media(min-width:600px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:900px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.card{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(10px);border-radius:18px;padding:1.1rem;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 50px rgba(0,0,0,.35)}
.card h3{margin:.25rem 0 .5rem;font-size:1.15rem;color:#fff}
.card p{margin:0 0 .75rem;color:#cfd0e4}
.card .card-actions{display:flex;justify-content:space-between;align-items:center}
.badge{padding:.25rem .55rem;border-radius:999px;font-size:.75rem;font-weight:700;background:rgba(123,109,255,.18);color:#cfcfff;border:1px solid rgba(123,109,255,.35)}
.open-btn{padding:.6rem .9rem;border-radius:12px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.08);color:#fff;cursor:pointer;transition:background .2s ease}
.open-btn:hover{background:rgba(255,255,255,.14)}

.modal{position:fixed;inset:0;background:rgba(10,10,18,.55);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:20}
.modal[hidden]{display:none}
.modal-content{position:relative;width:min(840px,92vw);max-height:86vh;overflow:auto;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:1rem 1rem 1.25rem;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.modal-content h3{margin:.25rem 0 .75rem;color:#fff}
.modal-content p{color:#cfcfe0}
.close{position:absolute;top:10px;right:10px;border:0;background:rgba(255,255,255,.08);color:#fff;border-radius:10px;width:36px;height:36px;cursor:pointer}
.quiz{margin-top:.75rem;display:grid;gap:.75rem}
.quiz .q{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:.75rem}
.quiz label{display:flex;align-items:center;gap:.5rem;margin:.35rem 0}
.quiz button{margin-top:.5rem}

.m-tabs{display:flex;gap:.25rem;position:sticky;top:0;background:rgba(0,0,0,.08);backdrop-filter:blur(6px);padding:.25rem;border-radius:12px;margin:.25rem 0 .75rem;border:1px solid rgba(255,255,255,.12)}
.m-tab{flex:1;background:transparent;color:#cfd0e4;border:0;border-radius:10px;padding:.6rem .8rem;font-weight:700;cursor:pointer;position:relative}
.m-tab.active{color:#fff;background:rgba(255,255,255,.09)}
.m-body{display:none}
.m-body.show{display:block}
.m-section{display:grid;gap:.6rem}
.m-callout{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:.75rem}
.task{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:.75rem;margin:.5rem 0}
.task .row{display:flex;gap:.5rem;align-items:center;margin:.35rem 0}
.task input[type="text"],.task select{width:100%;padding:.6rem .8rem;border-radius:10px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.08);color:#fff}
.task button{margin-top:.5rem}
.ok{color:#91ffa6;font-weight:700}
.bad{color:#ff9b9b;font-weight:700}

.footer{position:fixed;bottom:calc(12px + var(--safe-bottom));left:0;right:0;display:flex;justify-content:center}
.footer a{color:#9bb9ff;text-decoration:none;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);padding:.5rem .8rem;border-radius:12px;backdrop-filter:blur(8px);display:inline-flex;align-items:center;justify-content:center;min-height:40px}
.footer a:hover{background:rgba(255,255,255,.12)}

.social{position:fixed;bottom:calc(12px + var(--safe-bottom));left:12px;display:flex;gap:.5rem;z-index:12;transition:opacity .2s ease}
.social a{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(8px);text-decoration:none}
.social a:hover{background:rgba(255,255,255,.12)}
.social svg{width:20px;height:20px;fill:#e9e9ef}

.help:not([hidden]) ~ .social{opacity:0;pointer-events:none}

.help{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(10,10,18,.6);backdrop-filter:blur(8px);z-index:25}
.help[hidden]{display:none}
.help-content{position:relative;width:min(720px,92vw);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:1rem 1.2rem;color:#e9e9ef}
.help-content h2{margin-top:.25rem}
.faq details{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:.6rem .8rem;margin:.5rem 0}

.confetti{position:fixed;inset:0;pointer-events:none;z-index:50}

@media (prefers-reduced-motion: reduce){
 .blob{animation:none}
 .bg::after{opacity:.5}
 .hero::before{opacity:.45}
 .grain{opacity:.12}
}

.legal{max-width:1200px;margin:1.5rem auto calc(4.5rem + var(--safe-bottom));padding:0 1rem;text-align:center;color:#b8b8c7}
.legal p{margin:.25rem 0}

@media (max-width: 600px){
  .auth-panel{left:50%;right:auto;transform:translateX(-50%)}
  .auth-panel.collapsed{top:auto;bottom:calc(16px + var(--safe-bottom));left:auto;right:16px;transform:none}
  .progress-indicator{left:12px;right:12px;bottom:calc(64px + var(--safe-bottom));top:auto;align-items:stretch}
  .progress-bar{width:100%}
  .hero{min-height:36dvh;padding:3rem 1rem 1.25rem}
  .footer a{min-height:44px}
}

@media (min-width: 600px) and (max-width: 900px){
  .progress-bar{width:190px}
}

@media (min-width: 900px) and (max-width: 1200px){
  .hero{min-height:66vh;padding:5.5rem 1.25rem 3.5rem}
}

@media (max-width: 480px){
  .auth-panel{width:94vw;top:12px;border-radius:16px}
  .auth-panel.collapsed{width:48px;max-height:48px;border-radius:14px}
  .tab{padding:.8rem .6rem}
  .tab-content{padding:.85rem}
  .form .btn{width:100%}
  .hero{min-height:28dvh;padding:2.25rem 1rem 1rem}
  .hero h1{font-size:clamp(2rem,7vw,3.25rem)}
  .hero p{font-size:clamp(.9rem,3.2vw,1rem);margin:.4rem 0 1rem}
  .modules{padding:.6rem .7rem calc(2.5rem + var(--safe-bottom))}
  .grid{gap:.85rem}
  .card{padding:.9rem}
  .card h3{font-size:1.05rem}
  .card p{margin:0 0 .6rem}
  .m-tabs{padding:.2rem;margin:.2rem 0 .6rem}
  .m-section{gap:.5rem}
  .modal-content{width:94vw;max-height:80vh}
  .progress-indicator{left:12px;right:12px;bottom:calc(60px + var(--safe-bottom));top:auto;align-items:stretch}
  .progress-bar{width:100%}
  .legal{margin:.5rem auto calc(1.75rem + var(--safe-bottom))}
}

@media (max-height: 580px) and (orientation: landscape){
  .hero{min-height:48vh;padding:3.5rem 1rem 2rem}
}