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

body {
   font-family: 'Poppins', sans-serif;
   min-height: 100vh;
   display: flex;
   align-items: center;
   justify-content: center;
   padding: 20px;

   margin-left: 0px;
}

.register-container {
   display: flex;
   align-items: center;
   justify-content: center;
   width: 100%;
   max-width: 500px;
   margin: 0 auto;
}

.register-card {
   background: white;
   border-radius: 20px;
   box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
   padding: 50px 40px;
   width: 100%;
   animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
   from {
      opacity: 0;
      transform: translateY(30px);
   }

   to {
      opacity: 1;
      transform: translateY(0);
   }
}

.register-header {
   text-align: center;
   margin-bottom: 40px;
}

.register-header h1 {
   color: #333;
   font-size: 32px;
   font-weight: 700;
   margin-bottom: 10px;
}

.register-header p {
   color: #666;
   font-size: 16px;
}

.form-group {
   margin-bottom: 25px;
}

.form-group label {
   display: block;
   color: #333;
   font-weight: 600;
   margin-bottom: 8px;
   font-size: 14px;
}

.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="text"] {
   width: 100%;
   padding: 14px 16px;
   border: 2px solid #e1e8ed;
   border-radius: 10px;
   font-size: 15px;
   transition: all 0.3s ease;
   background: #f8f9fa;
   box-sizing: border-box;
   font-family: 'Poppins', sans-serif;
}

.form-group input:focus {
   outline: none;
   border-color: #667eea;
   background: white;
   box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input::placeholder {
   color: #a0aec0;
}

.checkbox-group {
   display: flex;
   align-items: flex-start;
   margin-bottom: 25px;
}

.checkbox-group input[type="checkbox"] {
   width: 18px;
   height: 18px;
   margin-right: 10px;
   margin-top: 2px;
   cursor: pointer;
   flex-shrink: 0;
   accent-color: #667eea;
}

.checkbox-group label {
   margin: 0;
   color: #666;
   font-size: 14px;
   cursor: pointer;
   line-height: 1.4;
}

.alert {
   padding: 16px 20px;
   border-radius: 10px;
   margin-bottom: 25px;
   animation: shake 0.5s ease;
}

@keyframes shake {

   0%,
   100% {
      transform: translateX(0);
   }

   25% {
      transform: translateX(-10px);
   }

   75% {
      transform: translateX(10px);
   }
}

.alert-danger {
   background: #fee;
   border: 2px solid #fcc;
   color: #c33;
}

.form-errors {
   background: #fee;
   border: 2px solid #fcc;
   color: #c33;
   padding: 16px 20px;
   border-radius: 10px;
   margin-bottom: 25px;
}

.form-errors ul {
   margin: 0;
   padding-left: 20px;
}

.btn-submit {
   width: 100%;
   padding: 16px;
   background: black;
   color: white;
   border: none;
   border-radius: 10px;
   font-size: 16px;
   font-weight: 600;
   cursor: pointer;
   transition: all 0.3s ease;
   box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
   font-family: 'Poppins', sans-serif;
}

.btn-submit:hover {
   transform: translateY(-2px);
   box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-submit:active {
   transform: translateY(0);
}

.register-link-container {
   display: flex;
   align-items: center;
   justify-content: center;
   flex-direction: column;
   gap: 15px;
   margin-top: 25px;
   padding-top: 25px;
   border-top: 2px solid #e1e8ed;
}

.register-link-container p {
   color: #666;
   font-size: 14px;
   margin: 0;
}

.btn-login {
   display: inline-block;
   padding: 8px 20px;
   background: white;
   color: #161d3a;
   border-radius: 10px;
   text-decoration: none;
   font-weight: 600;
   transition: all 0.3s ease;
   font-size: 14px;
}

.invalid-feedback {
   color: #c33;
   font-size: 13px;
   margin-top: 5px;
   display: block;
}

@media (max-width: 768px) {
   body {
      padding: 15px;
   }

   .register-card {
      padding: 45px 35px;
   }

   .register-header h1 {
      font-size: 28px;
   }

   .register-header p {
      font-size: 15px;
   }

   .form-group input[type="email"],
   .form-group input[type="password"],
   .form-group input[type="text"] {
      padding: 13px 14px;
      font-size: 14px;
   }

   .btn-submit {
      padding: 15px;
      font-size: 15px;
   }
}

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

   .register-container {
      max-width: 100%;
   }

   .register-card {
      padding: 40px 25px;
      border-radius: 16px;
   }

   .register-header {
      margin-bottom: 30px;
   }

   .register-header h1 {
      font-size: 26px;
   }

   .register-header p {
      font-size: 14px;
   }

   .form-group {
      margin-bottom: 20px;
   }

   .form-group label {
      font-size: 13px;
      margin-bottom: 6px;
   }

   .form-group input[type="email"],
   .form-group input[type="password"],
   .form-group input[type="text"] {
      padding: 12px 14px;
      font-size: 14px;
   }

   .checkbox-group {
      margin-bottom: 20px;
   }

   .checkbox-group input[type="checkbox"] {
      width: 16px;
      height: 16px;
   }

   .checkbox-group label {
      font-size: 13px;
   }

   .btn-submit {
      padding: 14px;
      font-size: 14px;
   }

   .alert {
      padding: 14px 16px;
      font-size: 13px;
   }

   .form-errors {
      padding: 14px 16px;
      font-size: 13px;
   }

   .register-link-container {
      gap: 12px;
      margin-top: 20px;
      padding-top: 20px;
   }

   .register-link-container p {
      font-size: 13px;
   }

   .btn-login {
      font-size: 13px;
      padding: 7px 18px;
   }

   .invalid-feedback {
      font-size: 12px;
   }
}

@media (max-width: 360px) {
   .register-card {
      padding: 30px 20px;
   }

   .register-header h1 {
      font-size: 24px;
   }

   .register-header p {
      font-size: 13px;
   }

   .form-group input[type="email"],
   .form-group input[type="password"],
   .form-group input[type="text"] {
      padding: 11px 12px;
      font-size: 13px;
   }

   .btn-submit {
      padding: 13px;
      font-size: 13px;
   }

   .checkbox-group input[type="checkbox"] {
      width: 15px;
      height: 15px;
   }

   .checkbox-group label {
      font-size: 12px;
   }
}

@media (max-height: 600px) and (orientation: landscape) {
   body {
      padding: 10px;
   }

   .register-card {
      padding: 25px 30px;
   }

   .register-header {
      margin-bottom: 20px;
   }

   .register-header h1 {
      font-size: 24px;
      margin-bottom: 5px;
   }

   .register-header p {
      font-size: 13px;
   }

   .form-group {
      margin-bottom: 15px;
   }

   .form-group label {
      margin-bottom: 5px;
   }

   .form-group input[type="email"],
   .form-group input[type="password"],
   .form-group input[type="text"] {
      padding: 10px 12px;
   }

   .checkbox-group {
      margin-bottom: 15px;
   }

   .btn-submit {
      padding: 12px;
   }

   .register-link-container {
      margin-top: 15px;
      padding-top: 15px;
   }
}

@media (min-width: 768px) and (max-width: 1024px) and (orientation: landscape) {
   .register-card {
      max-width: 600px;
   }
}