:root{
  --app-bg:#07111b;
  --app-bg-soft:#0b1723;
  --app-card:#0f1d2d;
  --app-card-2:#132235;
  --app-line:rgba(255,255,255,.08);
  --app-text:#ffffff;
  --app-muted:#9fb2c5;
  --app-primary:#1dd8d2;
  --app-primary-2:#67f3e6;
  --app-accent:#7df3ef;
  --app-shadow:0 24px 60px rgba(0,0,0,.28);
  --app-shell:1280px;
  --app-header-h:72px;
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

html,
body{
  height:100%;
}

body{
  font-family:"Plus Jakarta Sans", sans-serif;
  background:linear-gradient(180deg, #06101a 0%, #0b1723 100%);
  color:var(--app-text);
  overflow:hidden;
}

a{
  text-decoration:none;
  color:inherit;
}

button,
input,
select,
textarea{
  font:inherit;
}

.app-shell{
  width:min(var(--app-shell), calc(100% - 28px));
  margin:0 auto;
}

.app-body{
  position:relative;
  min-height:100vh;
}

.app-bg{
  position:fixed;
  inset:0;
  pointer-events:none;
  overflow:hidden;
  z-index:-1;
}

.app-blur{
  position:absolute;
  border-radius:50%;
  filter:blur(90px);
  opacity:.18;
}

.app-blur-a{
  width:360px;
  height:360px;
  background:var(--app-primary);
  left:-90px;
  top:60px;
}

.app-blur-b{
  width:420px;
  height:420px;
  background:#1d7bff;
  right:-140px;
  top:220px;
}

.app-topbar{
  position:relative;
  z-index:20;
  height:var(--app-header-h);
  background:rgba(7,17,27,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
}

.app-topbar-row{
  min-height:var(--app-header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}

.app-brand{
  display:flex;
  align-items:center;
  gap:10px;
}

.app-brand-icon{
  width:38px;
  height:38px;
  border-radius:12px;
  display:grid;
  place-items:center;
  font-weight:800;
  color:#062029;
  background:linear-gradient(135deg, var(--app-primary), var(--app-primary-2));
  box-shadow:0 12px 26px rgba(29,216,210,.2);
}

.app-brand-text{
  font-size:1.18rem;
  font-weight:800;
  letter-spacing:-0.02em;
  color:#f6fcff;
}

.app-brand-text strong{
  color:var(--app-primary);
}

.app-back-btn{
  min-height:46px;
  padding:0 18px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  color:#072029;
  background:linear-gradient(135deg, var(--app-primary), var(--app-primary-2));
  box-shadow:0 14px 28px rgba(29,216,210,.18);
  transition:.22s ease;
}

.app-back-btn:hover{
  transform:translateY(-2px);
}

.app-stage{
  position:relative;
  height:calc(100vh - var(--app-header-h));
}

.app-loading-screen{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  padding:20px;
  transition:opacity .45s ease, visibility .45s ease, transform .45s ease;
}

.app-loading-screen.is-hidden{
  opacity:0;
  visibility:hidden;
  transform:scale(.985);
  pointer-events:none;
}

.app-loading-card{
  width:min(760px, 100%);
  padding:34px;
  border-radius:30px;
  background:linear-gradient(180deg, rgba(15,29,45,.96), rgba(10,20,32,.98));
  border:1px solid rgba(125,243,239,.12);
  box-shadow:var(--app-shadow);
}

.app-loading-badge{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:0 14px;
  border-radius:999px;
  font-size:.82rem;
  font-weight:800;
  color:var(--app-accent);
  background:rgba(29,216,210,.1);
  border:1px solid rgba(29,216,210,.16);
  margin-bottom:18px;
}

.app-loading-card h1{
  font-size:clamp(2rem, 4vw, 3.4rem);
  line-height:1.05;
  letter-spacing:-0.04em;
  margin-bottom:14px;
  max-width:680px;
}

.app-loading-card p{
  color:var(--app-muted);
  font-size:1.02rem;
  line-height:1.75;
  max-width:620px;
}

.app-progress-wrap{
  margin-top:28px;
  margin-bottom:24px;
}

.app-progress-bar{
  width:100%;
  height:14px;
  border-radius:999px;
  overflow:hidden;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.06);
}

.app-progress-bar span{
  display:block;
  width:0%;
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg, var(--app-primary), var(--app-primary-2));
  box-shadow:0 10px 25px rgba(29,216,210,.25);
  transition:width .18s linear;
}

.app-loading-steps{
  display:grid;
  gap:12px;
}

.app-step{
  min-height:62px;
  padding:0 18px;
  border-radius:18px;
  display:flex;
  align-items:center;
  gap:14px;
  background:rgba(255,255,255,.035);
  border:1px solid rgba(255,255,255,.06);
  color:#dce9f3;
  transition:.25s ease;
}

.app-step span{
  width:14px;
  height:14px;
  border-radius:50%;
  background:rgba(255,255,255,.18);
  box-shadow:0 0 0 6px rgba(255,255,255,.03);
  flex:0 0 auto;
}

.app-step strong{
  font-size:.98rem;
}

.app-step.is-active{
  border-color:rgba(29,216,210,.22);
  background:rgba(29,216,210,.08);
}

.app-step.is-active span{
  background:var(--app-primary);
  box-shadow:0 0 0 6px rgba(29,216,210,.12);
}

.app-step.is-done{
  border-color:rgba(29,216,210,.16);
}

.app-step.is-done span{
  background:var(--app-primary-2);
  box-shadow:0 0 0 6px rgba(29,216,210,.08);
}

.app-iframe-stage{
  position:absolute;
  inset:0;
  opacity:0;
  visibility:hidden;
  transform:scale(1.01);
  transition:opacity .45s ease, visibility .45s ease, transform .45s ease;
}

.app-iframe-stage.is-visible{
  opacity:1;
  visibility:visible;
  transform:scale(1);
}

.app-iframe-stage iframe{
  width:100%;
  height:100%;
  border:none;
  display:block;
  background:#08121c;
}

@media (max-width: 768px){
  :root{
    --app-header-h:64px;
  }

  .app-shell{
    width:min(100% - 18px, var(--app-shell));
  }

  .app-brand-text{
    font-size:1.04rem;
  }

  .app-back-btn{
    min-height:42px;
    padding:0 14px;
    font-size:.92rem;
  }

  .app-loading-card{
    padding:22px;
    border-radius:24px;
  }

  .app-loading-card h1{
    font-size:1.8rem;
  }

  .app-loading-card p{
    font-size:.96rem;
  }

  .app-step{
    min-height:56px;
    padding:0 14px;
  }

  .app-step strong{
    font-size:.92rem;
  }
}