:root {
  --orange: #ff8a00;
  --blu: #3dcbff;
  --gradient-main: linear-gradient(135deg, var(--orange), var(--blu));
  --glass-bg: rgba(255, 255, 255, 0.15);
  --glass-border: rgba(255, 255, 255, 0.25);
  --shadow-accent: 0 15px 35px rgba(50, 26, 138, 0.35);
  --bg: #0b1020;
}

/* Body e wrapper */
body {
  font-family: 'Poppins', sans-serif;
  background: var(--bg);
  margin: 0;
  padding: 0;
  color: #fff;
}

.page-wrapper {
  position: relative;
  z-index: 1;
  padding: 20px;
}

/* Navbar */
.navbar {
  background: rgba(20, 10, 15, 0.8);
  backdrop-filter: blur(12px);
  border-radius: 0 0 14px 14px;
  padding: 0.5rem 1rem;
  margin-bottom: 0; 
}

/* Form Card */
.form-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 30px;
  max-width: 50%;
  width: 100%;
  margin: 20px auto 40px auto; 
  box-shadow: var(--shadow-accent);
}

.form-card h2 {
  text-align: center;
  margin-bottom: 25px;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  font-size: 14px;
  color: #ddd;
  margin-bottom: 6px;
  display: block;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font-size: 14px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blu);
  box-shadow: 0 0 10px var(--blu);
}

button.btn-gradient {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 12px;
  background: var(--gradient-main);
  font-weight: 600;
  cursor: pointer;
  transition: 0.3s;
  color: #fff;
}

button.btn-gradient:hover {
  transform: scale(1.03);
  box-shadow: 0 10px 25px rgba(255, 140, 0, 0.4);
}

/* Risultato AI */
.ai-response-card {
  max-width: 500px;
  margin: 20px auto;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  box-shadow: var(--shadow-accent);
  padding: 20px;
}