:root{
  /* Palette x402 Shiba (modifiable) */
  --blue: #6EC1FF;         /* bleu bannière */
  --gold: #FFD34D;         /* doré doux */
  --gold-strong: #FFC300;  /* doré accent */
  --black: #0C0F14;        /* noir profond */
  --card: #12151C;         /* fond carte */
  --text: #EAF2FF;         /* texte clair */
  --muted: #A9B6C7;

  --success: #16a34a;      /* vert validation */
  --success-bg: rgba(22,163,74,0.12);

  /* Ombres & rayons */
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --radius: 18px;

  /* Images (remplace ces URL par tes PNG) */
  --bg-image: url('assets/background.png'); /* fond pixel ciel/nuages */
}

/* Reset simple */
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, system-ui, Arial, sans-serif;
  color: var(--text);
  background: var(--black);
  overflow: hidden;
}

/* Fond avec ton PNG */
.bg-overlay{
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(110,193,255,0.25), transparent 60%),
    var(--bg-image) center/cover no-repeat;
  filter: saturate(1.1);
  z-index: -2;
}

/* Léger motif doré façon dApp */
.bg-overlay::after{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(transparent 95%, rgba(255,195,0,0.08) 96%),
    linear-gradient(90deg, transparent 95%, rgba(255,195,0,0.08) 96%);
  background-size: 28px 28px, 28px 28px;
  opacity:.25;
  pointer-events:none;
}

.wrap{
  height:100%;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:24px;
  gap:20px;
}

/* Titre / logo */
.brand img{
  height: 64px;            /* ajuste quand tu mettras ton PNG */
  display:block;
  filter: drop-shadow(0 6px 12px rgba(0,0,0,.35));
}

/* Carte centrale */
.card{
  width:min(92vw, 520px);
  background: linear-gradient(180deg, rgba(18,21,28,.92), rgba(18,21,28,.9));
  border:1px solid rgba(255,211,77,.35);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 22px;
  backdrop-filter: blur(4px);
}

/* Headline (PNG) */
.headline{
  margin:0 0 8px 0;
  display:flex;
  justify-content:center;
}
.headline-img{
  height: 36px;            /* remplace par ton PNG de "Welcome to x402" */
  object-fit: contain;
}
.subtitle{
  margin:0 0 18px 0;
  text-align:center;
  color: var(--muted);
  font-weight: 500;
}

/* Liste des tâches */
.tasks{
  list-style:none;
  padding:0;
  margin:0 0 18px 0;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.task{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px;
  background: rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
}
.task-label{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:600;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #3B82F6; /* bleu principal */
  box-shadow: 0 0 0 3px rgba(59,130,246,0.25);
}

/* Boutons */
.btn{
  appearance:none;
  border:2px solid var(--gold-strong);
  background: #0f131a;
  color: var(--text);
  padding:10px 16px;
  border-radius:10px;
  font-weight:700;
  cursor:pointer;
  transition: transform .06s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
  box-shadow: 0 4px 12px rgba(0,0,0,.25);
}
.btn:hover{
  transform: translateY(-1px);
  background: #141a23;
  box-shadow: 0 8px 18px rgba(0,0,0,.35);
}
.btn:active{
  transform: translateY(0);
}

/* Etat validé (vert outline) */
.btn.done{
  border-color: var(--success);
  background: var(--success-bg);
  color: #bbf7d0; /* vert pâle lisible */
  box-shadow: 0 0 0 4px rgba(22,163,74,.15), 0 8px 18px rgba(0,0,0,.35);
}

/* Next */
.next{
  width:100%;
  margin-top: 6px;
  background: linear-gradient(180deg, var(--gold), var(--gold-strong));
  color:#151515;
  border-color: var(--gold-strong);
}
.next:disabled{
  filter: grayscale(.5) brightness(.8);
  cursor:not-allowed;
  background: #2b2f37;
  color:#8e98a7;
  border-color: #3a404a;
}
.enter {
  display: block;
  margin: 10px auto 0 auto;
  width: 100%;
  background: linear-gradient(180deg, var(--gold), var(--gold-strong));
  color: #151515;
  border-color: var(--gold-strong);
  text-align: center;
}

.enter:disabled {
  filter: grayscale(.5) brightness(.8);
  cursor: not-allowed;
  background: #2b2f37;
  color: #8e98a7;
  border-color: #3a404a;
}
/* Nouveau style x402Shiba Universe (bleu) */

.card {
  background: #0f1115;
  border: 2px solid #3B82F6; /* bleu clair */
  border-radius: 16px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.4);
}

.headline {
  font-size: 26px;
  font-weight: 700;
  color: #ffffff;
  text-align: center;
  margin-bottom: 6px;
}

.subtitle {
  font-size: 14px;
  color: #9CA3AF;
  text-align: center;
  margin-bottom: 24px;
}

.task {
  background: #121418;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 12px 14px;
}

.btn {
  background: #3B82F6;
  border: none;
  color: #fff;
  border-radius: 12px;
  padding: 8px 16px;
  transition: all 0.2s ease;
}

.btn:hover {
  background: #2563EB;
}

.btn.done {
  background: transparent;
  border: 2px solid #22C55E;
  color: #22C55E;
}

.enter {
  background: #3B82F6;
  border: none;
  color: #fff;
  width: 100%;
  margin-top: 14px;
  font-weight: 600;
  padding: 12px;
  border-radius: 14px;
}

.enter:disabled {
  background: #1E293B;
  color: #9CA3AF;
  cursor: not-allowed;
}
.wallet-input {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.wallet-input input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  background: #121418;
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: border 0.2s ease;
}

.wallet-input input:focus {
  border-color: #3B82F6;
}
/* === Responsive mobile adjustments === */
@media (max-width: 600px) {
  .card {
    width: 90%;
    padding: 22px 18px;
  }

  .headline {
    font-size: 20px;
  }

  .subtitle {
    font-size: 13px;
  }

  .task {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .btn {
    width: 100%;
    text-align: center;
    padding: 12px 0;
  }

  .wallet-input {
    flex-direction: column;
    align-items: stretch;
  }

  .wallet-input input {
    width: 100%;
    font-size: 13px;
    padding: 10px;
  }

  .enter {
    padding: 14px;
    font-size: 16px;
  }
}

.task-label {
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: normal;
  transform: translateZ(0); /* annule la mise à l’échelle subpixel */
}

.dot {
  position: relative;
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #3B82F6;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.25);
  display: block;
  transform: none;
  aspect-ratio: 1 / 1;
  isolation: isolate;           /* isole le sous-pixel rendering */
  backface-visibility: hidden;  /* corrige la distorsion GPU */
  will-change: transform;       /* stabilise le rendu */
}

.task {
  min-height: 44px; /* crée une zone suffisante pour le dot et le texte */
  display: flex;
  align-items: center;
}
.wallet-input {
  padding-top: 2px;
  padding-bottom: 2px;
}