:root {
  --primary-color: #1d3b5c;
  --primary-hover: #374b60;
  --text-color: #5a5959;
  --light-gray: #ccc;
  --font-family: 'Montserrat', sans-serif;
  --border-radius: 4px;
  --transition-speed: 0.2s;
  --transition-func: ease-in-out;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  line-height: 1.5;
  background: url('./images/background-image.jpg') no-repeat center center / cover; /* image from https://www.freepik.com/ author: rawpixel.com, license: free */
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  color: var(--text-color);
}

.login-page {
  width: 100%;
}

.wrapper {
  background-color: rgba(255, 255, 255, 0.77);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  width: 100%;
  max-width: 400px;
}

.login-heading {
  text-align: center;
  margin-bottom: 1.5rem;
  font-size: 2rem;
  color: var(--text-color);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  color: var(--text-color);
}

.form-group:not(.remember) label {
  margin-bottom: 0.35rem;
}

.form-group.remember {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: #555;
}

.input-wrapper {
  position: relative;
}

.input-wrapper i {
  position: absolute;
  top: 50%;
  left: 12px;
  transform: translateY(-50%);
  color: #999;
  font-size: 1.125rem;
  pointer-events: none;
}

.input-field {
  width: 100%;
  padding: 0.5rem 0.5rem 0.5rem 2.5rem;
  border: 1px solid var(--light-gray);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: border-color var(--transition-speed) var(--transition-func);
}

.input-field:focus {
  outline: none;
  border-color: var(--primary-color);
}

.checkbox {
  transform: scale(1.1);
  accent-color: var(--primary-color);
}

.form-footer {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1rem;
}

.form-footer a {
  font-size: 0.85rem;
  color: var(--primary-color);
  text-decoration: none;
}

.form-footer a:hover {
  text-decoration: underline;
}

.btn {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--primary-color);
  color: #fff;
  font-size: 1rem;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color var(--transition-speed) var(--transition-func);
}

.btn:hover {
  background-color: var(--primary-hover);
}

.signup {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--text-color);
}

.signup a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

.signup a:hover {
  text-decoration: underline;
}

@media (max-width: 480px) {
  .wrapper {
    padding: 1.5rem;
  }

  .login-heading {
    font-size: 1.5rem;
  }
}