:root{
  --bg:#070a18;
  --card:rgba(10,12,25,.72);
  --border:rgba(255,255,255,.14);
  --text:#fff;
  --muted:rgba(255,255,255,.72);
  --from:#1f8cff;
  --to:#e020ff;
  --rim-scale:1;
  --wheel-scale:1;
  --rim-hole:0%;
}

*{box-sizing:border-box}
img{max-width:100%;height:auto;}

html,body{height:100%;margin:0; width:100%; max-width:100%; overflow-x:hidden}
body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x:hidden;
}
#bg{
  position:fixed; inset:0;
  background:
    radial-gradient(1200px 800px at 30% 40%, rgba(28,92,255,.35), rgba(2,3,10,1)),
    radial-gradient(900px 700px at 70% 60%, rgba(224,32,255,.18), rgba(2,3,10,0) 55%),
    #02030a;
  filter: saturate(1.1);
  z-index:-2;
}
.page{
  min-height:100dvh;
  display:grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: 30px;
  padding: 36px 28px;
  align-items:center;
  width:100%;
  max-width:100%;
  overflow-x:hidden;
}
@media (max-width:980px){
  .page{grid-template-columns:1fr; padding:22px 16px; gap:18px;}
  .panel{max-width:680px;margin:0 auto;}
}
.wheel-col{display:flex;justify-content:center;align-items:center  
  min-width:0;
}

.wheel-wrap{
  position:relative;
  width:min(540px, 90vw);
  aspect-ratio:1/1;
  overflow: visible;
}
.wheel{
  position:absolute; inset:0;
  border-radius:999px;
  transform: rotate(var(--rot, 0deg)) scale(var(--wheel-scale, 1));
  transform-origin: center;
  will-change: transform;
  z-index: 2;
}
.wheel canvas{
  width:100%; height:100%;
  border-radius:999px;
  display:block;
  filter: drop-shadow(0 14px 30px rgba(0,0,0,.55));
}
.wheel-center{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  pointer-events:none;
}
.wheel-center img{
  width:44%; height:auto;
  filter: drop-shadow(0 12px 18px rgba(0,0,0,.6));
}
.wheel-glow{
  position:absolute; inset:-10px;
  border-radius:999px;
  background: radial-gradient(circle at 50% 50%, rgba(255,255,255,.06), rgba(255,255,255,0) 60%);
  box-shadow:
    0 0 0 8px rgba(255,255,255,.05),
    0 0 36px rgba(136,80,255,.20);
  z-index:-1;
}
.pointer{
  position:absolute; left:50%; top:-40px;
  width:0; height:0;
  transform: translateX(-50%) rotate(180deg);
  border-left:20px solid transparent;
  border-right:20px solid transparent;
  border-bottom:40px solid rgba(255,255,255,.92);
  filter: drop-shadow(0 8px 10px rgba(0,0,0,.55));
  z-index: 6;
}
.pointer:after{
  content:"";
  position:absolute; left:-7px; top:26px;
  width:14px; height:14px; border-radius:50%;
  background: #0a0b17;
  border: 2px solid rgba(255,255,255,.88);
}
.panel-col{display:flex;justify-content:center  
  min-width:0;
}

.panel{
  width:min(760px, 95vw);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 40px rgba(0,0,0,.45);
}
.brand{display:flex;justify-content:center;margin-bottom:12px}
.brand img{max-width:240px;width:62%;height:auto}
.panel-title{
  text-align:center;
  font-weight:900;
  letter-spacing:.6px;
  margin: 10px 0 10px;
}
.coupon-row{display:flex;gap:10px;justify-content:center}
.coupon-input{
  width:100%;
  padding: 14px 14px;
  border-radius: 12px;
  border:1px solid rgba(255,255,255,.20);
  background: rgba(0,0,0,.25);
  color:#fff;
  outline:none;
  text-align:center;
  font-weight:700;
  letter-spacing:.3px;
}
.coupon-input:focus{border-color:rgba(255,255,255,.38); box-shadow:0 0 0 4px rgba(31,140,255,.18)}
.btn{
  width:100%;
  margin-top: 12px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  color:#fff;
  font-weight:900;
  letter-spacing:.7px;
  cursor:pointer;
  transition: transform .08s ease, filter .2s ease;
}
.btn:active{transform: scale(.99)}
.btn.primary{
  border:0;
  background: linear-gradient(90deg, var(--from), var(--to));
}
.mini{font-size:12px}
.muted{color:var(--muted)}
/* Modals */
.modal{position:fixed; inset:0; display:flex; align-items:center; justify-content:center; z-index:50;}
.modal.hidden{display:none}
.modal-backdrop{position:absolute; inset:0; background:rgba(0,0,0,.55)}
.modal-card{
  position:relative;
  width:min(520px, 92vw);
  background: rgba(10,12,25,.92);
  border:1px solid rgba(255,255,255,.14);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 22px 50px rgba(0,0,0,.6);
}
.modal-title{font-weight:1000; letter-spacing:.6px; text-align:center}
.modal-body{margin-top:12px; max-height:55vh; overflow:auto; padding-right:6px}
.modal-actions{display:flex; justify-content:center; margin-top:14px}
.result-prize{font-weight:1000;font-size:28px;text-align:center}
.history-list{display:flex; flex-direction:column; gap:10px}
.h-item{border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:10px;background:rgba(255,255,255,.05)}
.h-item .t{font-weight:900}
.h-item .d{font-size:12px;opacity:.8;margin-top:4px}


/* ===== Mobile Responsive Dashboard ===== */
@media (max-width:900px){
  input,select,textarea{font-size:16px}
  .modal-card{width:92vw;max-width:420px}
}


.wheel-rim{
  position:absolute;
  left:50%;
  top:50%;
  width:calc(100% + 20px);
  height:calc(100% + 20px);
  object-fit:contain;
  border-radius:999px;
  pointer-events:none;
  user-select:none;
  opacity:1;
  mix-blend-mode: normal;
  z-index: 4;
  filter: drop-shadow(0 10px 18px rgba(0,0,0,.35));
  transform: translate(-50%,-50%) scale(var(--rim-scale));
  transform-origin: center;
  /* Optional: cut out the center if rim PNG has solid fill */
  -webkit-mask-image: radial-gradient(circle at center, transparent 0 var(--rim-hole), #000 var(--rim-hole) 100%);
  mask-image: radial-gradient(circle at center, transparent 0 var(--rim-hole), #000 var(--rim-hole) 100%);
}

@media (max-width:720px){
  .page{padding:18px 12px; gap:16px;}
  .wheel-wrap{width:min(92vw, 380px);}
  .panel{max-width:min(92vw, 520px);}
}
@media (max-width:420px){
  .wheel-wrap{width:min(94vw, 340px);}
  .pointer{top:-34px; border-left:16px solid transparent; border-right:16px solid transparent; border-bottom:34px solid rgba(255,255,255,.92);}
}