:root {
  --primary-color: #7fa154;
  --secondary-color: #537b3f;
  --background-color: #f4f4f9;
  --text-color: #333;
  --input-bg: #f9f9f9;
  --input-border: #e0e0e0;
  --input-focus: #d0d0d0;
  --button-hover: #6a8a47;
  --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
  font-family: 'Arial', sans-serif;
  background-color: var(--background-color);
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  color: var(--text-color);
}

.container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.auth-card {
  background-color: #ffffff;
  border-radius: 20px;
  box-shadow: var(--card-shadow);
  padding: 40px;
  text-align: center;
}

.logo {
  margin-bottom: 20px;
}

.logo img {
  max-width: 150px;
  height: auto;
}

.tabs {
  display: flex;
  margin-bottom: 30px;
  border-bottom: 2px solid var(--input-border);
}

.tab-btn {
  flex: 1;
  background: none;
  border: none;
  padding: 10px;
  font-size: 16px;
  font-weight: bold;
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.3s ease;
}

.tab-btn.active {
  color: var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

h2 {
  margin-bottom: 20px;
  color: var(--primary-color);
}

.input-group {
  position: relative;
  width: 260px;
  margin-bottom: 20px;
}

.input-group i {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #888;
}

.input-group input {
  width: 100%;
  padding: 15px 15px 15px 45px;
  border: 1px solid var(--input-border);
  border-radius: 30px;
  font-size: 16px;
  background-color: var(--input-bg);
  transition: all 0.3s ease;
}

.input-group input:focus {
  outline: none;
  border-color: var(--input-focus);
  box-shadow: 0 0 0 2px rgba(127, 161, 84, 0.2);
}

.toggle-password {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(100%);
  cursor: pointer;
  color: #888;
}

.btn {
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: 30px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

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

.forgot-password {
  text-align: right;
  margin-top: 10px;
}

.forgot-password a {
  color: var(--primary-color);
  text-decoration: none;
}

.social-login {
  margin-top: 30px;
}

.btn-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 10px;
  padding: 12px;
  border: 1px solid var(--input-border);
  background-color: #ffffff;
  color: var(--text-color);
}

.btn-social i {
  margin-right: 10px;
}

.btn-google:hover {
  background-color: #dd4b39;
  color: #ffffff;
}

@media (max-width: 480px) {
  .container {
      padding: 10px;
  }

  .auth-card {
      padding: 30px 20px;
  }
}