/* Shared Nemuri Premium action: one crown mark and one treatment across pages. */
.btn-premium{
  position:relative;isolation:isolate;overflow:hidden;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-width:108px;height:36px;padding:0 13px;
  border:1px solid rgba(174,112,255,.42);border-radius:11px;
  color:#f0e4ff!important;font-size:10px;font-weight:850;letter-spacing:.11em;text-transform:none;
  text-decoration:none;white-space:nowrap;cursor:pointer;
  background:radial-gradient(ellipse at 50% -30%,rgba(178,102,255,.2),transparent 68%),linear-gradient(145deg,#1b1324,#120e17 72%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.09),inset 0 0 18px rgba(156,79,228,.06),0 3px 12px rgba(0,0,0,.25);
  transition:transform .2s ease,border-color .2s ease,box-shadow .25s ease,background .25s ease;
}
.btn-premium:hover{
  transform:translateY(-1px);border-color:rgba(203,151,255,.82);
  background:radial-gradient(ellipse at 50% -20%,rgba(191,116,255,.28),transparent 70%),linear-gradient(145deg,#24152f,#17101e 72%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 0 0 3px rgba(166,92,244,.09),0 7px 24px rgba(128,55,194,.28);
}
.btn-premium:active{transform:translateY(0) scale(.98)}
.btn-premium:focus-visible{outline:2px solid #c68aff;outline-offset:3px}
.btn-premium[hidden],.btn-shop[hidden]{display:none!important}
.btn-shop{border-color:rgba(72,204,173,.4);color:#d9fff3!important;background:radial-gradient(ellipse at 50% -30%,rgba(57,206,166,.17),transparent 68%),linear-gradient(145deg,#10211e,#101514 72%);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),inset 0 0 18px rgba(57,206,166,.06),0 3px 12px rgba(0,0,0,.25)}
.btn-shop:hover{border-color:rgba(114,238,204,.78);background:radial-gradient(ellipse at 50% -20%,rgba(67,222,181,.25),transparent 70%),linear-gradient(145deg,#142a25,#121b18 72%);box-shadow:inset 0 1px 0 rgba(255,255,255,.14),0 0 0 3px rgba(57,206,166,.08),0 7px 24px rgba(34,155,123,.22)}
.btn-shop .btn-premium-icon{border-color:rgba(129,239,207,.32);background:linear-gradient(145deg,rgba(49,176,142,.33),rgba(32,100,83,.22));box-shadow:inset 0 1px rgba(255,255,255,.16),0 0 10px rgba(80,219,179,.14)}
.btn-shop .btn-premium-icon svg{stroke:#a3f4d9;filter:drop-shadow(0 0 3px rgba(113,238,202,.52))}
.btn-premium-icon{
  position:relative;z-index:1;display:grid;place-items:center;width:21px;height:21px;flex:none;
  border:1px solid rgba(208,166,255,.34);border-radius:7px;
  background:linear-gradient(145deg,rgba(159,78,225,.38),rgba(82,44,126,.24));
  box-shadow:inset 0 1px rgba(255,255,255,.18),0 0 10px rgba(174,95,255,.18);
}
.btn-premium-icon svg{display:block;width:14px;height:14px;fill:none;stroke:#e2c5ff;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 3px rgba(205,145,255,.65))}
.btn-premium-label{position:relative;z-index:1}
.btn-premium::after{
  content:"";position:absolute;z-index:0;inset:-35% auto -35% -45%;width:38%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.14),transparent);
  transform:translateX(-180%) skewX(-18deg);transition:transform .8s cubic-bezier(.2,.8,.2,1);
}
.btn-premium:hover::after{transform:translateX(490%) skewX(-18deg)}
.btn-premium--large{height:40px;min-width:156px;padding:0 15px}
.profile-side-premium .btn-premium-icon{width:34px;height:34px;border-radius:11px}
.subscription-crown.btn-premium-icon{width:48px;height:48px;border-radius:15px}
@media(max-width:520px){.profile-topbar .btn-premium{display:none}}
@media(max-width:480px){.subscription-card .btn-premium--large{margin-left:62px}}
@media(prefers-reduced-motion:reduce){.btn-premium,.btn-premium::after{transition:none}}