/* DGVibe — aparência inspirada no Design System Open-Source LLM */
:root {
  --zh-accent: #6366F1;
  --zh-accent-rgb: 99,102,241;
  --zh-accent2: #A5B4FC;
  --zh-accent2-rgb: 165,180,252;
  --zh-grad1: #4F46E5;
  --zh-grad1-rgb: 79,70,229;
  --zh-grad2: #DB2777;
  --zh-grad2-rgb: 219,39,119;
  --zh-bg: #020205;
  --zh-bg-rgb: 2,2,5;
  --zh-surface: #08080f;
  --zh-surface-rgb: 8,8,15;
  --zh-text: #ffffff;
  --zh-text-rgb: 255,255,255;
  --zh-success: #34D399;
  --zh-danger: #F87171;
  --zh-warning: #FBBF24;
  --zh-info: #0EA5E9;
  --zh-radius: 16px;
  --zh-glow: 1.2;
}

/* Glassmorphism Panel (Langfuse Pattern) */
.glass-panel {
  background: linear-gradient(
    165deg,
    rgba(255, 255, 255, 0.07) 0%,
    rgba(255, 255, 255, 0.03) 40%,
    rgba(255, 255, 255, 0.01) 100%
  ) !important;
  backdrop-filter: blur(50px) !important;
  -webkit-backdrop-filter: blur(50px) !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  border-top: 1px solid rgba(255, 255, 255, 0.2) !important;
  border-left: 1px solid rgba(255, 255, 255, 0.15) !important;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.2),
    0 20px 60px -10px rgba(0, 0, 0, 0.6),
    inset 0 0 40px rgba(255, 255, 255, 0.02) !important;
}

/* Text glow sutil nos títulos */
.text-glow {
  text-shadow: 0 0 40px rgba(255, 255, 255, 0.35);
}

/* Botão de ícone ultra responsivo */
.icon-btn {
  transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.icon-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px -5px rgba(0,0,0,0.5);
}
.icon-btn.active {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.15);
}

/* Vídeo do buraco negro — recolorido por filtro */
.hero-video-bg {
  filter: hue-rotate(-15deg) saturate(105%) brightness(95%) contrast(110%);
  opacity: 0.85;
  
}