:root {
  --primary: #1a428a;
  --bg: #f4f7f6;
  --border: #ccc;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg);
  padding: 20px;
  color: #333;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  background: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Progress Bar */
.progress-wrapper {
  width: 100%;
  background-color: #e0e0e0;
  border-radius: 5px;
  height: 10px;
  margin-bottom: 30px;
}

#progressBar {
  height: 10px;
  background-color: var(--primary);
  border-radius: 5px;
  width: 14%;
  transition: width 0.3s ease;
}

/* Steps */
.step { display: none; }
.step.active { display: block; }

/* Form Elements */
.form-group { margin-bottom: 15px; }
label { display: block; font-weight: bold; margin-bottom: 5px; }

input[type="text"], 
input[type="email"], 
input[type="date"], 
input[type="number"], 
select, 
textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  box-sizing: border-box;
  font-family: inherit;
}

.btn {
  background-color: var(--primary);
  color: white;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
  border-radius: 4px;
  margin-top: 10px;
}
.btn:disabled { background-color: #999; cursor: not-allowed; }

.btn-secondary { background-color: #666; }
.btn-outline { 
  background-color: transparent; 
  border: 1px solid var(--primary); 
  color: var(--primary); 
}

.button-group { 
  display: flex; 
  justify-content: space-between; 
  margin-top: 30px; 
}

/* Dynamic Blocks */
.dynamic-block {
  border: 1px solid var(--primary);
  padding: 15px;
  border-radius: 5px;
  margin-bottom: 15px;
  background: #f9fbff;
}

.tip {
  background: #e8f0fe;
  border-left: 4px solid var(--primary);
  padding: 10px;
  font-size: 0.9em;
  margin-bottom: 20px;
}

.warning {
  background: #fff3cd;
  border-left: 4px solid #ffeeba;
  padding: 10px;
  font-size: 0.9em;
  margin-bottom: 20px;
  display: none;
}

/* Modal Popup */
.modal-overlay {
  display: none; 
  position: fixed; 
  z-index: 1000; 
  left: 0; 
  top: 0; 
  width: 100%; 
  height: 100%; 
  background-color: rgba(0,0,0,0.6);
  backdrop-filter: blur(3px);
}

.modal-content {
  background-color: #fff;
  margin: 15% auto;
  padding: 30px;
  border-radius: 8px;
  width: 90%;
  max-width: 450px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  animation: popIn 0.3s ease;
}

.modal-content h3 { color: var(--primary); margin-top: 0; }

@keyframes popIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Language Toggle Button */
.lang-toggle {
  text-align: right;
  margin-bottom: 20px;
}

.lang-toggle a {
  display: inline-block;
  text-decoration: none;
  color: var(--primary);
  font-weight: bold;
  border: 1px solid var(--primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.9em;
  transition: all 0.3s ease;
}

.lang-toggle a:hover {
  background-color: var(--primary);
  color: #fff;
}