/* Base Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, sans-serif;
}

body {
  min-height: 100vh;
  background: linear-gradient(120deg, #e0f2fe, #c7d2fe);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  position: relative;
}

/* Back Button */
.back-home {
  position: absolute;
  top: 30px;
  left: 30px;
  text-decoration: none;
  background-color: #ffffffcc;
  color: #1e3a8a;
  padding: 10px 20px;
  border-radius: 30px;
  box-shadow: 0 4px 10px rgba(30, 58, 138, 0.2);
  font-weight: 600;
  transition: all 0.3s ease;
}
.back-home:hover {
  background-color: #1e3a8a;
  color: #fff;
  box-shadow: 0 0 12px #3b82f6, 0 0 20px #3b82f6;
}

/* Sign Up Container */
.signup-container {
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

/* Sign Up Card */
.signup-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(14px);
  border-radius: 20px;
  padding: 40px 30px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  transition: 0.3s ;
}
.signup-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 15px #00f0ff, 0 0 25px #ff4ff7;
}

.signup-card h2 {
  color: #1e3a8a;
  font-size: 28px;
  text-align: center;
  margin-bottom: 6px;
}
.signup-card p {
  color: #444;
  font-size: 14px;
  text-align: center;
  margin-bottom: 25px;
}

label {
  display: block;
  font-weight: 600;
  margin-top: 15px;
  color: #1e3a8a;
}

input {
  width: 100%;
  padding: 12px 15px;
  margin-top: 6px;
  border-radius: 10px;
  border: 1.5px solid #c7d2fe;
  background: #f9f9ff;
  transition: border 0.3s ease, box-shadow 0.3s ease;
}
input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 8px #3b82f6aa;
}

/* Sign Up Button */
.signup-btn {
  width: 100%;
  margin-top: 25px;
  padding: 12px;
  background: #1e3a8a;
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(30, 58, 138, 0.3);
}
.signup-btn:hover {
  background-color: #2563eb;
  box-shadow: 0 0 12px #3b82f6, 0 0 20px #3b82f6;
}

/* Footer */
.signup-footer {
  margin-top: 20px;
  text-align: center;
  font-size: 14px;
}
.signup-footer a {
  color: #1e3a8a;
  text-decoration: none;
  font-weight: 600;
}
.signup-footer a:hover {
  text-decoration: underline;
}
