:root {
  --primary: #2c3e50;
  --secondary: #34495e;
  --accent: #4a6cf7;
  --light: #f8f9fa;
  --warning: #e67e22;
  --danger: #e74c3c;
  --success: #27ae60;
  --cucina: #28a745;
  --pizzeria: #ffc107;
  --sala: #dc3545;
  --insalata: #ff6b35;
  --text: #333;
  --text-light: #7f8c8d;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif; }

body {
  background: linear-gradient(135deg, #f8f9fa 0%, #eef2f7 100%);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

.form-container, .home-container {
  background: white;
  padding: 40px 35px;
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease; }

.form-container:hover, .home-container:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.18); }

h2 {
  color: var(--primary);
  margin-bottom: 30px;
  font-size: 28px;
  font-weight: 500;
  position: relative;
  padding-bottom: 15px;
}

h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 25%;
  width: 50%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  border-radius: 3px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 16px 20px;
  border: 1px solid #e1e5eb;
  border-radius: 8px;
  font-size: 16px;
  transition: all 0.3s ease;
  box-sizing: border-box;
  background: #fcfdff;
  color: var(--text);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.15);
  background: white;
}

button[type="submit"] {
  background: linear-gradient(135deg, var(--accent) 0%, #7c3aed 100%);
  color: white;
  padding: 16px;
  border: none;
  border-radius: 8px;
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
  margin-top: 10px;
}

button[type="submit"]:hover {
  transform: translateY(-3px);
  box-shadow: 0 7px 18px rgba(74, 108, 247, 0.35); }

.toggle-link {
  margin-top: 25px;
  color: var(--text-light);
  font-size: 16px;
}

.toggle-link a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  position: relative;
}

.toggle-link a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.toggle-link a:hover::after {
  width: 100%;
}

.message {
  padding: 14px;
  margin: 20px 0;
  border-radius: 8px;
  text-align: center;
  font-weight: 500;
  display: none;
  font-size: 16px;
  transition: all 0.4s ease;
}

.message.error {
  background: linear-gradient(to right, #fff5f5, #fff);
  color: #d32f2f;
  border: 1px solid #ffcdd2;
  box-shadow: 0 3px 10px rgba(211, 47, 47, 0.08); }

.message.success {
  background: linear-gradient(to right, #f5fff7, #fff);
  color: #2e7d32;
  border: 1px solid #c8e6c9;
  box-shadow: 0 3px 10px rgba(46, 125, 50, 0.08); }

.home-container {
  max-width: 800px;
  padding: 45px 40px;
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 25px;
  margin-top: 35px;
}

.nav-button {
  padding: 22px;
  color: white;
  text-decoration: none;
  text-align: center;
  border-radius: 10px;
  font-size: 18px;
  font-weight: 600;
  transition: all 0.3s ease;
  display: block;
  position: relative;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.12);
  z-index: 1;
}

.nav-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-100%);
  transition: transform 0.4s ease;
  z-index: -1;
}

.nav-button:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18); }

.nav-button:hover::before {
  transform: translateX(0);
}

.cucina {
  background: linear-gradient(135deg, var(--cucina) 0%, #98FB98 100%); 
  color: #212529;
}

.cucina:hover {
  background: linear-gradient(135deg, #98FB98 0%, var(--cucina) 100%); }

.sala {
  background: linear-gradient(135deg, var(--sala) 0%, #ff6b6b 100%);
  color: white;
}

.sala:hover {
  background: linear-gradient(135deg, #ff6b6b 0%, var(--sala) 100%);
}


.pizzeria {
  background: linear-gradient(135deg, var(--pizzeria) 0%, #FFE4C4 100%);
  color: #212529;
}

.pizzeria:hover {
  background: linear-gradient(135deg, #B0E0E6 0%, var(--pizzeria) 100%);
}

.insalata {
  background: linear-gradient(135deg, var(--insalata) 0%, #B0E0E6 100%); 
  color: #212529;
}

.insalata:hover {
  background: linear-gradient(135deg, #E6E6FA 0%, var(--insalata) 100%); }

.sala {
  background: linear-gradient(135deg, var(--sala) 0%, #E0FFFF 100%); 
  color: #212529;
}

.sala:hover {
  background: linear-gradient(135deg, #E0FFFF 0%, var(--sala) 100%); }