:root{ --bg1:#0b1220; --bg2:#0e1630; }
.bg-surface{
  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(34,211,238,.08), transparent 60%),
    radial-gradient(900px 600px at 80% 10%, rgba(192,38,211,.10), transparent 55%),
    radial-gradient(700px 500px at 50% 100%, rgba(91,91,214,.12), transparent 60%),
    linear-gradient(180deg, var(--bg1), var(--bg2));
}
.bg-gradient{ position:fixed; inset:-10%; pointer-events:none; z-index:0;
  background: conic-gradient(from 200deg at 50% 50%, rgba(192,38,211,.12), rgba(34,211,238,.10), rgba(91,91,214,.12), rgba(192,38,211,.12));
  filter: blur(60px) saturate(120%); animation: swirl 22s linear infinite; opacity:.6; }
@keyframes swirl{from{transform:rotate(0)} to{transform:rotate(360deg)}}
.bg-noise{ position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="120" height="120" viewBox="0 0 120 120"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.8" numOctaves="2" stitchTiles="stitch"/></filter><rect width="120" height="120" filter="url(%23n)" opacity="0.05"/></svg>');
  mix-blend-mode:overlay; }

/* hover lift */
.group:hover{ transform: translateY(-1px); }

/* Иконка-кнопка (моб. хедер) */
.icon-btn{
  width:40px; height:40px; display:flex; align-items:center; justify-content:center;
  border-radius:9999px; background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12); cursor:pointer; user-select:none;
}

/* Dropdown (checkbox hack) */
.dd-toggle{ position:absolute; opacity:0; pointer-events:none; }
.dd-menu{
  position:absolute; right:0; top:calc(100% + .35rem); min-width:10rem;
  background:rgba(2,6,23,.92); backdrop-filter: blur(8px);
  border:1px solid rgba(255,255,255,.10); border-radius:.75rem; padding:.25rem;
  display:block; opacity:0; transform: translateY(-4px) scale(.98);
  transition: opacity .15s ease, transform .15s ease; pointer-events:none; z-index:50;
}
#lang-dd.dd-toggle:checked ~ .dd-menu{
  opacity:1; transform: translateY(0) scale(1); pointer-events:auto;
}
.menu-item{ display:block; padding:.55rem .7rem; border-radius:.5rem; color:#e5e7eb; }
.menu-item:hover{ background:rgba(255,255,255,.08); }


/* password eye button */
.pw-eye{
  position:absolute; right:.55rem; top:50%; transform:translateY(-50%);
  display:flex; align-items:center; justify-content:center;
  width:2.25rem; height:2.25rem; border-radius:.75rem;
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12);
}
.pw-eye:hover{ background:rgba(255,255,255,.10); }
.pw-eye:active{ transform:translateY(-50%) scale(.98); }
.pw-eye svg{ width:1.15rem; height:1.15rem; color:#e5e7eb; }


/* Toast */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  color: #fff;
  border-radius: 14px;
  box-shadow: 0 14px 40px rgba(124,58,237,.35);
  backdrop-filter: blur(6px);
  animation: toastIn .35s ease both;
}
.toast.hide { animation: toastOut .35s ease both; }
@keyframes toastIn {
  from { opacity: 0; transform: translateY(-10px) scale(.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes toastOut {
  to { opacity: 0; transform: translateY(-10px) scale(.98); }
}

.toast-success {
  background:
    radial-gradient(120% 120% at 0% 0%, #22c55e33, transparent 60%),
    linear-gradient(135deg, #7c3aed, #0ea5e9);
}

.toast-icon {
  width: 34px; height: 34px;
  border-radius: 10px;
  display: grid; place-items: center;
  background: rgba(255,255,255,.18);
  font-weight: 800;
}

.toast-body { display: grid; gap: 2px; }
.toast-title { font-weight: 800; font-size: 16px; letter-spacing: .2px; }
.toast-text  { opacity: .95; font-size: 14px; }

.toast-close {
  appearance: none; border: 0; background: transparent;
  color: #fff; font-size: 20px; line-height: 1; cursor: pointer;
  padding: 4px 6px; opacity: .85;
}
.toast-close:hover { opacity: 1; }