@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800;900&display=swap');

:root{
  --bg:#070a14;
  --panel:rgba(18,24,42,.92);
  --panel-2:rgba(11,16,30,.94);
  --violet:#8b5cf6;
  --violet-light:#a78bfa;
  --blue:#38bdf8;
  --pink:#f0abfc;
  --gold:#fbbf24;
  --text:#e9edf8;
  --muted:#a3abc2;
  --line:rgba(139,92,246,.22);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Inter,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
}

.bg{
  position:fixed;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(circle at 12% 12%, rgba(139,92,246,.28), transparent 42%),
    radial-gradient(circle at 88% 8%, rgba(56,189,248,.20), transparent 38%),
    radial-gradient(circle at 50% 105%, rgba(240,171,252,.14), transparent 48%),
    linear-gradient(180deg,#070a14,#0a0f1f 60%,#070a14);
}
.bg::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(139,92,246,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(139,92,246,.05) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle at center,black,transparent 75%);
}

header{
  position:sticky;
  top:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px clamp(16px,4vw,32px);
  background:rgba(8,12,23,.82);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}

.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:24px;
  font-weight:900;
  letter-spacing:1px;
  color:var(--text);
  text-decoration:none;
  transition:.2s;
}
.logo:hover{transform:translateY(-1px)}
.logo span{
  background:linear-gradient(90deg,var(--violet-light),var(--blue));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

nav{
  display:flex;
  align-items:center;
  gap:6px;
  flex-wrap:wrap;
}
nav a{
  color:var(--muted);
  text-decoration:none;
  font-weight:700;
  font-size:14px;
  padding:9px 14px;
  border-radius:12px;
  transition:.2s;
}
nav a:hover{color:#fff;background:rgba(139,92,246,.16)}
nav a.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(139,92,246,.35),rgba(56,189,248,.22));
  border:1px solid rgba(139,92,246,.38);
}

.auth{display:flex;align-items:center;gap:10px}
.pill{
  display:flex;
  align-items:center;
  gap:9px;
  padding:7px 13px;
  border-radius:999px;
  background:rgba(139,92,246,.12);
  border:1px solid rgba(139,92,246,.32);
  font-weight:800;
  font-size:14px;
}
.pill img{width:30px;height:30px;border-radius:50%;object-fit:cover}

main{
  width:100%;
  max-width:1120px;
  margin:0 auto;
  padding:clamp(28px,6vw,70px) 20px;
}

.page-head{text-align:center;margin-bottom:34px}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:999px;
  background:rgba(139,92,246,.12);
  border:1px solid rgba(139,92,246,.30);
  color:#c4b5fd;
  font-weight:800;
  margin-bottom:18px;
}
h1{
  font-size:clamp(32px,5vw,54px);
  font-weight:900;
  line-height:1.08;
  margin-bottom:12px;
}
h1 span{
  background:linear-gradient(90deg,var(--violet-light),var(--blue),var(--pink));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.lead{
  color:var(--muted);
  max-width:680px;
  margin:0 auto;
  font-size:17px;
}

.card{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid rgba(139,92,246,.18);
  border-radius:24px;
  padding:clamp(24px,4vw,40px);
  box-shadow:0 24px 60px rgba(0,0,0,.30);
  transition:border-color .45s cubic-bezier(.22,1,.36,1),box-shadow .45s cubic-bezier(.22,1,.36,1),transform .45s cubic-bezier(.22,1,.36,1);
  will-change:transform;
}
.card:hover{
  transform:translateY(-6px) scale(1.012);
  border-color:rgba(139,92,246,.45);
  box-shadow:0 34px 80px rgba(0,0,0,.42),0 0 35px rgba(139,92,246,.14);
}
.card .icon{
  width:58px;
  height:58px;
  display:grid;
  place-items:center;
  font-size:28px;
  border-radius:18px;
  margin-bottom:16px;
  background:linear-gradient(135deg,rgba(139,92,246,.24),rgba(56,189,248,.16));
  border:1px solid rgba(139,92,246,.28);
}
.card h3{font-size:20px;margin-bottom:9px}
.card p{color:var(--muted);font-size:15px;line-height:1.55}

.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:20px;
}

.coins{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 22px;
  border-radius:999px;
  background:rgba(251,191,36,.10);
  border:1px solid rgba(251,191,36,.35);
  color:var(--gold);
  font-weight:900;
}
.big-coins{
  font-size:clamp(44px,8vw,64px);
  font-weight:900;
  color:var(--gold);
  text-shadow:0 0 35px rgba(251,191,36,.25);
  margin:18px 0;
}

.actions{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  flex-wrap:wrap;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 22px;
  border-radius:14px;
  text-decoration:none;
  font-weight:800;
  border:1px solid transparent;
  transition:.2s;
  cursor:pointer;
}
.btn:hover{transform:translateY(-2px)}
.primary{
  background:linear-gradient(135deg,var(--violet),#6366f1);
  color:#fff;
  box-shadow:0 12px 32px rgba(139,92,246,.28);
}
.ghost{
  border-color:#333c5c;
  color:var(--text);
  background:rgba(255,255,255,.03);
}
.danger{
  background:rgba(239,68,68,.14);
  border-color:rgba(239,68,68,.45);
  color:#fca5a5;
}

.avatar{
  width:120px;
  height:120px;
  border-radius:50%;
  object-fit:cover;
  border:3px solid rgba(139,92,246,.55);
  box-shadow:0 0 35px rgba(139,92,246,.28);
  margin-bottom:18px;
}
.small{color:#8b93a8;font-size:14px}
.center{text-align:center}

footer{
  margin-top:60px;
  padding:28px 20px;
  text-align:center;
  color:#6b7387;
  border-top:1px solid #1b2237;
}

.reveal{
  opacity:0;
  transform:translateY(18px);
  animation:reveal .55s ease forwards;
}
.reveal:nth-child(2){animation-delay:.08s}
.reveal:nth-child(3){animation-delay:.16s}
.reveal:nth-child(4){animation-delay:.24s}
@keyframes reveal{to{opacity:1;transform:none}}

/* Améliorations visuelles */
::selection{background:rgba(139,92,246,.45);color:#fff}

body::-webkit-scrollbar{width:10px}
body::-webkit-scrollbar-track{background:#070a14}
body::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#8b5cf6,#38bdf8);border-radius:999px}

header{
  box-shadow:0 10px 35px rgba(0,0,0,.25);
}
header::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(167,139,250,.75),rgba(56,189,248,.65),transparent);
  opacity:.75;
}

.logo{
  position:relative;
}
.logo::before{
  content:"";
  position:absolute;
  inset:-8px -12px;
  border-radius:16px;
  background:radial-gradient(circle,rgba(139,92,246,.22),transparent 70%);
  opacity:0;
  transition:opacity .4s ease;
  z-index:-1;
}
.logo:hover::before{opacity:1}

nav a{
  position:relative;
  overflow:hidden;
}
nav a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:5px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,#a78bfa,#38bdf8);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .35s cubic-bezier(.22,1,.36,1);
}
nav a:hover::after,
nav a.active::after{transform:scaleX(1)}
nav a.active{
  background:rgba(139,92,246,.10);
  border:1px solid rgba(139,92,246,.22);
}

.pill{
  text-decoration:none;
  color:var(--text);
  transition:transform .35s cubic-bezier(.22,1,.36,1),border-color .35s ease,box-shadow .35s ease,background .35s ease;
}
.pill:hover{
  transform:translateY(-2px);
  background:rgba(139,92,246,.20);
  border-color:rgba(167,139,250,.55);
  box-shadow:0 10px 28px rgba(139,92,246,.22);
}

.card{
  position:relative;
  overflow:hidden;
}
.card::before{
  content:"";
  position:absolute;
  inset:-1px;
  border-radius:inherit;
  background:linear-gradient(120deg,rgba(167,139,250,.22),transparent 32%,transparent 68%,rgba(56,189,248,.20));
  opacity:0;
  transition:opacity .5s cubic-bezier(.22,1,.36,1);
  pointer-events:none;
}
.card:hover::before{opacity:1}
.card > *{position:relative;z-index:1}

.btn{
  position:relative;
  overflow:hidden;
}
.btn::before{
  content:"";
  position:absolute;
  top:0;
  left:-80%;
  width:55%;
  height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
  transform:skewX(-20deg);
  transition:left .65s cubic-bezier(.22,1,.36,1);
}
.btn:hover::before{left:130%}

.badge{
  transition:transform .4s cubic-bezier(.22,1,.36,1),box-shadow .4s ease,border-color .4s ease;
}
.badge:hover{
  transform:translateY(-2px);
  border-color:rgba(167,139,250,.55);
  box-shadow:0 12px 30px rgba(139,92,246,.20);
}

.coins{
  transition:transform .4s cubic-bezier(.22,1,.36,1),box-shadow .4s ease,border-color .4s ease;
}
.coins:hover{
  transform:translateY(-2px);
  border-color:rgba(251,191,36,.65);
  box-shadow:0 12px 30px rgba(251,191,36,.15);
}

.reveal{
  opacity:0;
  transform:translateY(24px) scale(.985);
  animation:reveal .8s cubic-bezier(.22,1,.36,1) forwards;
}
@keyframes reveal{
  to{opacity:1;transform:translateY(0) scale(1)}
}

@media(max-width:760px){
  header{flex-direction:column;align-items:stretch}
  .logo{justify-content:center}
  nav{justify-content:center}
  .auth{justify-content:center}
  .card{padding:24px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}