/* ---------------------------------------------------
✅ GLOBAL STYLES — Base font, background, and color
--------------------------------------------------- */
body {
  font-family: 'Segoe UI', Tahoma, sans-serif; /* Smooth readable font */
  background: linear-gradient(to right, #e9eff5, #f8fbff); /* ✅ Dark blue gradient background */
  margin: 0;
  padding: 0;
  color: #212529; /* Dark gray text */
}

/* ---------------------------------------------------
✅ SIGNUP WRAPPER — Centers the form box on page
--------------------------------------------------- */
.signup-wrapper {
  display: flex; /* Enables flex layout */
  justify-content: center; /* Horizontally centers the form */
  align-items: center; /* Vertically centers the form */
  padding: 60px 20px; /* Adds spacing around the form container */
}

/* ---------------------------------------------------
✅ SIGNUP BOX — White container with shadow and border
--------------------------------------------------- */
.signup-box {
  background-color: #ffffff; /* White background for form box */
  border-radius: 10px; /* Rounded corners */
  padding: 40px;
  max-width: 800px; /* Limits maximum width */
  width: 100%;
  box-shadow: 0 0 25px rgba(0, 123, 255, 0.2); /* Soft blue shadow */
  border-top: 6px solid #003d80; /* ✅ Dark blue top border */
}

/* ---------------------------------------------------
✅ HEADER SECTION — Centered heading and subtitle
--------------------------------------------------- */
.signup-header {
  text-align: center; /* ✅ Centers heading and subtitle */
  margin-bottom: 30px;
}

.signup-header h2 {
  font-size: 32px; /* Large heading */
  font-weight: 600; /* Bold text */
  color: #003d80; /* ✅ Dark blue heading */
  margin-bottom: 10px;
}

.signup-header p {
  font-size: 16px; /* Subtitle size */
  color: #555; /* Medium gray text */
}

/* ---------------------------------------------------
✅ FORM ROW — Aligns fields in two-column layout
--------------------------------------------------- */
.form-row {
  display: flex; /* Enables horizontal layout */
  gap: 20px; /* Space between columns */
  margin-bottom: 25px; /* Space below each row */
}

/* ---------------------------------------------------
✅ FORM GROUP — Styles each input block
--------------------------------------------------- */
.form-group {
  flex: 1; /* Equal width columns */
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 500; /* Semi-bold label */
  margin-bottom: 6px;
  color: #000000; /* ✅ Black label text */
}

.form-group input {
  padding: 10px 14px;
  border: 1px solid #ced4da;
  border-radius: 6px;
  font-size: 16px;
  background-color: #fefefe;
  transition: border-color 0.3s ease;
}

.form-group input:focus {
  border-color: #003d80; /* ✅ Dark blue border on focus */
  outline: none;
  background-color: #ffffff;
}

/* ---------------------------------------------------
✅ CARD SELECTION — Radio buttons section
--------------------------------------------------- */
.form-group label[for="card_type"],
.form-group > label {
  font-size: 18px; /* Card heading size */
  font-weight: 600; /* Bold heading */
  color: #003d80; /* ✅ Dark blue heading */
  margin-bottom: 10px;
  display: block;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.radio-group label {
  font-size: 15px;
  color: #444;
}

/* ---------------------------------------------------
✅ SUBMIT BUTTON — Styled blue box button
--------------------------------------------------- */
.btn-submit {
  background-color: #003d80; /* ✅ Dark blue background */
  color: #fff;
  font-size: 18px;
  font-weight: 500;
  padding: 12px 30px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  width: 100%;
  margin-top: 30px;
  transition: background-color 0.3s ease;
}

.btn-submit:hover {
  background-color: #001f4d; /* ✅ Darker blue on hover */
}

/* ---------------------------------------------------
✅ LOGIN PROMPT — Link below form
--------------------------------------------------- */
.login-prompt {
  text-align: center;
  margin-top: 20px;
  font-size: 15px;
}

.login-prompt a {
  color: #003d80; /* ✅ Dark blue link */
  text-decoration: none;
  font-weight: 500;
}

/* ---------------------------------------------------
✅ TERMS MODAL — Popup styling
--------------------------------------------------- */
#termsModal {
  display: none;
  position: fixed;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  background-color: #ffffff;
  border: 1px solid #dee2e6;
  padding: 25px;
  z-index: 999;
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.2);
  border-radius: 10px;
}

#termsModal h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 15px;
  color: #003d80; /* ✅ Dark blue modal heading */
}

#termsModal ul {
  padding-left: 20px;
  margin-bottom: 15px;
}

#termsModal ul li {
  margin-bottom: 10px;
  font-size: 16px;
  color: #495057;
}

#termsModal label {
  font-size: 16px;
  display: block;
  margin-bottom: 15px;
}

#termsModal button {
  padding: 10px 20px;
  margin-right: 10px;
  font-size: 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

#termsModal button:first-of-type {
  background-color: #28a745;
  color: #fff;
}

#termsModal button:last-of-type {
  background-color: #dc3545;
  color: #fff;
}