    :root {
      --primary: #ff0000;
      --accent: #ff4b6e;
      --light: #ffffff;
    }

    body {
      margin: 0;
      font-family: "Poppins", sans-serif;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
      overflow: hidden;
      background: radial-gradient(circle at center, #1a1a1a, #000);
      color: var(--light);
    }

    #particles-js {
      position: absolute;
      width: 100%;
      height: 100%;
      z-index: 0;
    }

    .container {
      z-index: 1;
      background: rgba(0,0,0,0.85);
      padding: 40px 30px;
      border-radius: 20px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
      width: 90%;
      max-width: 420px;
      text-align: center;
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255,255,255,0.1);
      animation: fadeIn 1.2s ease forwards;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }

    h2 { color: var(--accent); margin-bottom: 25px; }

    input {
      width: 100%;
      padding: 12px 15px;
      margin-bottom: 15px;
      border-radius: 10px;
      border: 1px solid #444;
      background: rgba(255,255,255,0.05);
      color: var(--light);
      transition: 0.3s ease;
      font-size: 15px;
    }

    input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 10px rgba(255, 75, 110, 0.5);
      outline: none;
    }

    button {
      padding: 12px;
      border: none;
      width: 100%;
      margin-top: 10px;
      background: linear-gradient(45deg, var(--primary), var(--accent));
      color: #fff;
      font-weight: 600;
      border-radius: 10px;
      cursor: pointer;
      transition: 0.3s;
      position: relative;
      overflow: hidden;
    }

    button:hover {
      transform: scale(1.05);
      box-shadow: 0 0 15px var(--accent);
    }

    .divider {
      margin: 20px 0;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .divider::before, .divider::after {
      content: "";
      flex: 1;
      border-bottom: 1px solid rgba(255,255,255,0.2);
    }

    .divider span {
      margin: 0 10px;
      color: rgba(255,255,255,0.7);
    }

    #customGoogleBtn {
      background: linear-gradient(45deg,#4285f4,#34a853,#fbbc05,#ea4335);
    }

    #loginGitHub { background: #333; }
    #loginMicrosoft { background: linear-gradient(45deg, red, darkred, black); }

    .toggle-text {
      margin-top: 15px;
      color: var(--accent);
      cursor: pointer;
      font-size: 14px;
      display: block;
      transition: 0.3s;
    }

    .toggle-text:hover {
      text-decoration: underline;
      color: #ff809a;
    }

    .hidden { display: none; }
    
    /* ===== hCaptcha ===== */
.hcaptcha-outer {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 15px;
  margin-bottom: 10px;
}

.h-captcha {
  transform: scale(0.9);
  transform-origin: center;
}

/* ===== Botões desativados ===== */
button.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  filter: grayscale(100%);
  transition: 0.3s ease;
}

button.disabled:hover {
  transform: none;
  box-shadow: none;
}

/* ===== Layout geral (ajuste opcional) ===== */
.divider {
  margin: 10px 0;
  text-align: center;
  position: relative;
}

.divider span {
  background: #fff;
  padding: 0 10px;
  color: #666;
  font-size: 14px;
}