*{box-sizing:border-box}

html{
  min-height:100%;
}

body{
  margin:0;
  min-height:100vh;
  color:#f8f7ff;
  font:16px Arial,sans-serif;
  background:
    radial-gradient(circle at 15% 10%,rgba(139,92,246,.35),transparent 28%),
    radial-gradient(circle at 85% 20%,rgba(59,130,246,.22),transparent 25%),
    radial-gradient(circle at 50% 100%,rgba(168,85,247,.22),transparent 35%),
    linear-gradient(135deg,#070511 0%,#100820 45%,#080612 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}

body:before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.35;
  background-image:
    radial-gradient(circle,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:55px 55px;
  mask-image:linear-gradient(to bottom,transparent,#000 20%,#000 80%,transparent);
}

header{
  position:relative;
  background:
    linear-gradient(135deg,rgba(20,10,42,.96),rgba(45,20,90,.88)),
    radial-gradient(circle at top right,rgba(139,92,246,.45),transparent 45%);
  color:#fff;
  padding:32px 20px;
  border-radius:0 0 30px 30px;
  border-bottom:1px solid rgba(255,255,255,.12);
  box-shadow:0 12px 40px rgba(0,0,0,.35);
  overflow:hidden;
}

header:after{
  content:"✦  ✧  ✦";
  position:absolute;
  right:20px;
  top:22px;
  color:#d8b4fe;
  font-size:22px;
  letter-spacing:8px;
  opacity:.7;
}

header b{
  display:block;
  font-size:28px;
  letter-spacing:.5px;
}

header span{
  display:block;
  margin-top:7px;
  color:#ddd6fe;
}

nav{
  display:flex;
  gap:8px;
  max-width:760px;
  margin:auto;
  padding:16px;
  position:relative;
  z-index:2;
}

nav button{
  flex:1;
  padding:13px 8px;
  border:1px solid rgba(255,255,255,.13);
  border-radius:14px;
  background:rgba(255,255,255,.07);
  color:#ddd6fe;
  font-weight:800;
  backdrop-filter:blur(12px);
  box-shadow:0 5px 20px rgba(0,0,0,.18);
}

nav button.active{
  background:linear-gradient(135deg,#8b5cf6,#6d28d9);
  color:#fff;
  border-color:#a78bfa;
  box-shadow:0 6px 22px rgba(139,92,246,.4);
}

.page{
  display:none;
  max-width:760px;
  margin:auto;
  padding:0 16px;
}

.page.active{
  display:block;
}

.card{
  background:linear-gradient(
    145deg,
    rgba(31,20,49,.92),
    rgba(15,10,28,.92)
  );
  border:1px solid rgba(255,255,255,.1);
  border-radius:22px;
  padding:22px;
  box-shadow:
    0 15px 45px rgba(0,0,0,.35),
    inset 0 1px 0 rgba(255,255,255,.06);
  margin-bottom:18px;
  backdrop-filter:blur(18px);
}

h1{
  margin-top:0;
  color:#fff;
}

h2,h3{
  color:#f5f3ff;
}

.notice{
  background:rgba(139,92,246,.12);
  border:1px solid rgba(167,139,250,.25);
  color:#eee8ff;
  padding:14px;
  border-radius:14px;
  line-height:1.5;
  font-size:14px;
}

label{
  display:block;
  color:#ddd6fe;
  font-weight:800;
  margin:16px 0 7px;
}

input,select{
  width:100%;
  padding:14px;
  border:1px solid rgba(255,255,255,.15);
  border-radius:13px;
  font-size:16px;
  color:#fff;
  background:rgba(255,255,255,.07);
  outline:none;
}

input::placeholder{
  color:#aaa3b8;
}

input:focus,select:focus{
  border-color:#8b5cf6;
  box-shadow:0 0 0 3px rgba(139,92,246,.15);
}

.summary{
  display:flex;
  justify-content:space-between;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  padding:16px;
  border-radius:15px;
  margin-top:15px;
}

.summary div{
  display:flex;
  flex-direction:column;
  gap:6px;
  color:#aaa3b8;
}

.summary strong{
  color:#fff;
  font-size:20px;
}

.paybox{
  margin-top:14px;
  padding:16px;
  border-radius:14px;
  background:linear-gradient(
    135deg,
    rgba(139,92,246,.13),
    rgba(59,130,246,.08)
  );
  border:1px solid rgba(167,139,250,.18);
}

.hidden{
  display:none!important;
}

.primary{
  width:100%;
  margin-top:18px;
  padding:16px;
  border:0;
  border-radius:14px;
  background:linear-gradient(135deg,#8b5cf6,#6d28d9);
  color:white;
  font-weight:900;
  font-size:16px;
  box-shadow:0 8px 25px rgba(109,40,217,.35);
  cursor:pointer;
}

.primary:hover{
  transform:translateY(-1px);
  box-shadow:0 10px 30px rgba(139,92,246,.45);
}

.primary:disabled{
  opacity:.6;
  transform:none;
}

.result{
  margin-top:15px;
  padding:15px;
  border-radius:14px;
  background:rgba(34,197,94,.12);
  border:1px solid rgba(34,197,94,.25);
  color:#dcfce7;
  line-height:1.5;
}

.qr{
  display:block;
  width:min(280px,85vw);
  height:auto;
  margin:16px auto;
  background:#fff;
  padding:9px;
  border-radius:16px;
  box-shadow:0 8px 30px rgba(0,0,0,.35);
}

.wallet{
  background:#080611;
  color:#ddd6fe;
  padding:12px;
  border-radius:11px;
  word-break:break-all;
  font-family:monospace;
  font-size:13px;
  margin:6px 0 8px;
  border:1px solid rgba(139,92,246,.25);
}

.copy{
  width:100%;
  padding:12px;
  border:0;
  border-radius:11px;
  background:linear-gradient(135deg,#f5c542,#eab308);
  color:#241600;
  font-weight:900;
  cursor:pointer;
}

.hint{
  font-size:12px;
  color:#aaa3b8;
}

.order{
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.045);
  border-radius:15px;
  padding:15px;
  margin:10px 0;
  line-height:1.6;
}

.whatsapp{
  display:block;
  text-align:center;
  background:linear-gradient(135deg,#20c878,#128c50);
  color:#fff;
  text-decoration:none;
  padding:15px;
  border-radius:13px;
  font-weight:900;
  margin-top:18px;
  box-shadow:0 8px 25px rgba(18,140,80,.25);
}

.admin-top{
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.admin-top .copy{
  width:auto;
}

footer{
  text-align:center;
  color:#9b93aa;
  padding:25px 20px;
  font-size:12px;
}

.order-notice{
  margin-top:14px;
  padding:15px;
  border-radius:13px;
  background:rgba(245,197,66,.12);
  border:1px solid rgba(245,197,66,.35);
  color:#fff4c2;
  line-height:1.5;
  font-size:14px;
}

.order-notice.hidden{
  display:none!important;
}

@media(max-width:480px){
  header{
    padding:27px 18px;
  }

  header b{
    font-size:24px;
  }

  nav{
    padding:12px 10px;
  }

  nav button{
    font-size:13px;
    padding:12px 5px;
  }

  .card{
    padding:18px;
    border-radius:19px;
  }
}