:root {
  --primary-color: #db3a00;
  --secondary-color: #2d8674;
  --dark-text: #223330;
  --light-text: #f8f9fa;
  --background-dark: #1a1e1d;
  --background-light: #2a2f2e;
  --border-color: #3d4543;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--background-dark);
  color: var(--light-text);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.signup-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 150px);
  padding: 2rem;
  margin-top: 80px;
}

.signup-card {
  background: var(--background-light);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  width: 100%;
  max-width: 500px;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.signup-card:hover {
  transform: translateY(-5px);
}

.signup-header {
  padding: 2rem;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
}

.signup-header h1 {
  margin: 0;
  font-size: 2rem;
  font-weight: 600;
  font-family: 'Pacifico', cursive;
}

.signup-header p {
  margin: 0.5rem 0 0;
  opacity: 0.9;
  font-size: 0.9rem;
}

.signup-form {
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--light-text);
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-with-icon i {
  position: absolute;
  left: 15px;
  color: var(--primary-color);
}

.input-with-icon input {
  width: 100%;
  padding: 12px 15px 12px 45px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--light-text);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.input-with-icon input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(219, 58, 0, 0.2);
}

.checkbox-container {
  display: block;
  position: relative;
  padding-left: 30px;
  cursor: pointer;
  user-select: none;
  color: var(--light-text);
  font-size: 0.9rem;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 20px;
  width: 20px;
  background-color: transparent;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.checkbox-container:hover input ~ .checkmark {
  border-color: var(--primary-color);
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
  display: block;
}

.checkbox-container .checkmark:after {
  left: 7px;
  top: 3px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.signup-btn {
  width: 100%;
  padding: 14px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin: 1rem 0;
}

.signup-btn:hover {
  background: #c03400;
  transform: translateY(-2px);
}

.divider {
  display: flex;
  align-items: center;
  margin: 1.5rem 0;
  color: var(--light-text);
  opacity: 0.7;
  font-size: 0.9rem;
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid var(--border-color);
}

.divider::before {
  margin-right: 1rem;
}

.divider::after {
  margin-left: 1rem;
}

.social-login {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--light-text);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.social-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--primary-color);
}

.social-btn img {
  width: 18px;
  height: 18px;
}

.google-btn {
  color: #4285F4;
}

.apple-btn {
  color: #A2AAAD;
}

.login-link {
  text-align: center;
  font-size: 0.9rem;
  color: var(--light-text);
  opacity: 0.8;
}

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

.login-link a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .signup-container {
      margin-top: 60px;
      padding: 1rem;
  }
  
  .signup-card {
      border-radius: 0;
  }
  
  .signup-header, .signup-form {
      padding: 1.5rem;
  }
}

.auth-error {
  background: #ffebee;
  color: #c62828;
  padding: 12px;
  border-radius: 4px;
  margin-bottom: 20px;
  border-left: 4px solid #c62828;
  animation: fadeIn 0.3s;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}



#loader {
  border: 6px solid #f3f3f3;
  border-top: 6px solid var(--primary-color); /* couleur principale */
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}