:root{
  --bg:#0b1020;
  --card: rgba(255,255,255,.06);
  --border: rgba(255,255,255,.12);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --accent: #7c5cff;
  --accent2:#21d4fd;
  --danger:#ff4d4d;
  --shadow: 0 16px 50px rgba(0,0,0,.35);
  --radius: 18px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 360px at 50% -160px, rgba(124,92,255,.25), transparent 60%),
    radial-gradient(900px 360px at 90% -120px, rgba(33,212,253,.14), transparent 60%),
    linear-gradient(180deg, #0b1020, #0f1631);
  padding: 12px;
}

.gruwu-iframe-widget{
  width: min(520px, 100%);
  margin: 0 auto;
  background: color-mix(in srgb, var(--card) 92%, black);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 16px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.gruwu-iframe-widget h2{
  margin: 0 0 12px;
  font-weight: 900;
  letter-spacing: .2px;
  font-size: 1.15rem;
}

.disabled-box{
  padding: 12px;
  border-radius: 14px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  color: var(--muted);
}

.gruwu-form{
  display: grid;
  gap: 12px;
}

.form-group label{
  display:block;
  margin-bottom: 6px;
  color: rgba(255,255,255,.86);
  font-size: .95rem;
}

input, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(8,10,22,.85);
  color: var(--text);
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}

textarea{
  min-height: 110px;
  resize: vertical;
}

input:focus, textarea:focus{
  border-color: rgba(124,92,255,.45);
  box-shadow: 0 0 0 3px rgba(124,92,255,.18);
  background: rgba(8,10,22,.92);
}

.btn-send{
  display:inline-flex;
  justify-content:center;
  align-items:center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  color: white;
  cursor: pointer;
  background: linear-gradient(135deg, rgba(107,124,255,.95), rgba(124,92,255,.88));
  box-shadow: 0 12px 28px rgba(107,124,255,.22);
  transition: transform .14s ease, filter .14s ease, box-shadow .14s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.btn-send:hover{ transform: translateY(-1px); filter: brightness(1.03); }
.btn-send:active{ transform: translateY(0) scale(.99); }
.btn-send:disabled{ cursor: not-allowed; }

.hint{
  min-height: 18px;
  font-size: .92rem;
  color: rgba(255,255,255,.72);
}

.popup{
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  box-shadow: 0 12px 28px rgba(0,0,0,.18);
}

.popup.error{
  border-color: rgba(255,77,77,.35);
  background: rgba(255,77,77,.14);
}

.hidden{ display:none; }

.hp-field{
  position:absolute;
  left:-9999px;
  width:1px;
  height:1px;
  opacity:0;
  pointer-events:none;
}

@media (max-width: 420px){
  body{ padding: 10px; }
  .gruwu-iframe-widget{ padding: 14px; border-radius: 20px; }
}