:root {
  --primary-color: #3f37c9;
  --secondary-color: #7b2cbf;
  --accent-color: #5f4dcf;
  --background-color: #ffffff;
  --text-color: #1c1c1c;
  --error-color: #e63946;
  --success-color: #43aa8b;
  --light-gray: #f1f3f5;
  --border-radius: 10px;
  --box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

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

.auth-container {
  background: var(--background-color);
  padding: 40px 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  width: 100%;
  max-width: 420px;
  transition: all 0.3s ease;
  overflow-x: hidden;
}

.brand-name {
  display: block;
  text-align: center;
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 25px;
  color: var(--primary-color);
  text-decoration: none;
}

#form-title {
  text-align: center;
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--secondary-color);
}

.google-login {
  text-align: center;
  margin-bottom: 20px;
}

.google-btn {
  background: #ffffff;
  border: 2px solid #ccc;
  color: #333;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: 50px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
}

.google-btn:hover {
  background-color: #f1f3f5;
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.error {
  color: var(--error-color);
  text-align: center;
  margin-bottom: 15px;
}

.success {
  color: var(--success-color);
  text-align: center;
  margin-bottom: 15px;
}

.form-box {
  display: none;
  flex-direction: column;
}

.form-box.active {
  display: flex;
}

.form-group {
  margin-bottom: 18px;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

.input-wrapper {
  position: relative;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 90%;
  padding: 12px 40px 12px 12px;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  background: var(--light-gray);
  font-size: 15px;
  transition: border 0.2s;
}

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

.clear-input,
.toggle-password {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #888;
  cursor: pointer;
}

.clear-input:hover,
.toggle-password:hover {
  color: var(--primary-color);
}

.password-requirements,
.error-text {
  font-size: 12px;
  margin-top: 5px;
}

.remember-me {
  display: flex;
  align-items: center;
  margin-bottom: 18px;
  gap: 8px;
}

button[type="submit"] {
  background: var(--primary-color);
  color: white;
  font-weight: bold;
  border: none;
  padding: 12px;
  font-size: 16px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background 0.3s;
}

button[type="submit"]:hover {
  background: var(--secondary-color);
}

.toggle-link {
  text-align: center;
  margin-top: 16px;
  font-size: 14px;
}

.toggle-link a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
}

.toggle-link a:hover {
  color: var(--secondary-color);
}