/* NEW: Make body and html full height and use flex layout */
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f0f4f8;
  color: #333;
}

/* Keep header and footer styles the same */
header, footer {
  text-align: center;
  padding: 2rem;
  background-color: #e0f0ff;
}

/* UPDATED: Let main fill remaining vertical space */
main {
  padding: 2rem;
  flex: 1; /* This is the key line */
}

/* Keep button styling the same */
#login-btn {
  padding: 1rem 2rem;
  font-size: 1rem;
  background-color: #4e9af1;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

/* === Login / Auth Page Styles === */
.auth-container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

form#login-form {
  background-color: #ffffff;
  padding: 2rem 3rem;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 400px;
}

form#login-form h2 {
  margin-bottom: 1rem;
}

form#login-form label {
  display: block;
  margin: 1rem 0 0.3rem;
}

form#login-form input {
  width: 100%;
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 1rem;
}

form#login-form button {
  margin-top: 1.5rem;
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  background-color: #4e9af1;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s;
}

form#login-form button:hover {
  background-color: #3878c7;
}

.switch-link {
  margin-top: 1rem;
  font-size: 0.9rem;
  text-align: center;
}
form#signup-form {
  background-color: #ffffff;
  padding: 2rem 3rem;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 400px;
}

form#signup-form h2 {
  margin-bottom: 1rem;
}

form#signup-form label {
  display: block;
  margin: 1rem 0 0.3rem;
}

form#signup-form input {
  width: 100%;
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 1rem;
}

form#signup-form button {
  margin-top: 1.5rem;
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  background-color: #4e9af1;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s;
}

form#signup-form button:hover {
  background-color: #3878c7;
}
.auth-container {
  max-width: 400px;
  margin: auto;
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  text-align: center;
}

#avatar-preview {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 1rem auto;
  background-color: #cbd5e1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  overflow: hidden;
}

#avatar-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

input[type="text"],
input[type="file"] {
  width: 100%;
  margin-top: 1rem;
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
}

button#save-btn {
  margin-top: 1.5rem;
  padding: 0.75rem 1.5rem;
  background-color: #4e9af1;
  color: white;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

button#save-btn:hover {
  background-color: #3c88d3;
}

.profile-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #d9e7ff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  font-size: 1.1rem;
  margin-right: 0.8rem;
  color: #333;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}