/* ================= BASE ================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Inter, sans-serif;
  background: #f6f9fc;
  color: #0a2540;
}

/* ================= LAYOUT ================= */
.signup-container {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

/* ================= LEFT PANEL ================= */
.signup-info {
  padding: 80px;
  background: linear-gradient(180deg, #f6f9fc, #ffffff);
}

.logo {
  width: 40px;
  height: 40px;
  background: #0a2540;
  color: #fff;
  border-radius: 8px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 40px;
}

.signup-info h1 {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.signup-info p {
  max-width: 420px;
  color: #6b7c93;
  margin-bottom: 24px;
}

.signup-info ul {
  list-style: none;
}

.signup-info li {
  margin-bottom: 10px;
  font-size: 0.95rem;
}

/* ================= FORM ================= */
.signup-form {
  background: #fff;
  padding: 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.signup-form h2 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.form-intro {
  font-size: 0.9rem;
  color: #6b7c93;
  margin-bottom: 24px;
}

form label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 18px;
}

.helper {
  display: block;
  font-size: 0.75rem;
  color: #6b7c93;
  margin: 4px 0 6px;
}

input,
select {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #e6ebf1;
  font-size: 0.9rem;
}

button {
  margin-top: 16px;
  padding: 12px;
  border-radius: 8px;
  border: none;
  background: #635bff;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
}

button:hover {
  opacity: 0.95;
}

.login-link {
  margin-top: 20px;
  font-size: 0.85rem;
}

.login-link a {
  color: #635bff;
  text-decoration: none;
}

/* ================= BACK BUTTON ================= */
.back-button {
  position: fixed;
  top: 20px;
  left: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #ffffff;
  border: 1px solid #e6ebf1;
  color: #0a2540;
  text-decoration: none;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.back-button:hover {
  background: #f6f9fc;
}

/* ================= MOBILE ================= */
@media (max-width: 900px) {
  .signup-container {
    grid-template-columns: 1fr;
  }

  .signup-info {
    display: none;
  }

  .signup-form {
    padding: 48px 24px;
  }
}