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

:root {
  --primary-color: #2566B5;
  --primary-light: #3a7ed4;
  --primary-dark: #1b4f8f;
  --accent-gradient: linear-gradient(135deg, #2566B5 0%, #1b4f8f 100%);
  --bg-dark: #1a1a2e;
  --bg-darker: #12121f;
  --bg-card: #ffffff;
  --surface-dark: #222240;
  --success-color: #48bb78;
  --error-color: #f56565;
  --text-color: #2d3748;
  --text-light: #718096;
  --text-on-dark: #e2e8f0;
  --border-color: #e2e8f0;
  --white: #ffffff;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.3);
  --radius: 12px;
  --transition: all 0.3s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: linear-gradient(160deg, var(--bg-dark) 0%, var(--bg-darker) 50%, #0d1b2a 100%);
  min-height: 100vh;
  color: var(--text-color);
  line-height: 1.6;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  text-align: center;
  padding: 30px 0;
  color: var(--white);
}

.logo {
  width: 220px;
  height: auto;
  margin-bottom: 15px;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 5px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
  font-size: 1.1rem;
  color: var(--text-on-dark);
  opacity: 0.8;
}

/* Main Content */
main {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 30px;
  flex: 1;
  border: 1px solid rgba(37, 102, 181, 0.1);
}

/* Progress Bar */
.progress-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  padding: 0 10px;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #f0f4f8;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-light);
  transition: var(--transition);
}

.progress-step.active .step-number,
.progress-step.completed .step-number {
  background: var(--accent-gradient);
  border-color: var(--primary-color);
  color: var(--white);
}

.step-label {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 8px;
  font-weight: 500;
}

.progress-step.active .step-label {
  color: var(--primary-color);
  font-weight: 600;
}

.progress-line {
  flex: 1;
  height: 2px;
  background: var(--border-color);
  margin: 0 -5px;
  margin-bottom: 20px;
}

/* Form Styles */
.form-step {
  display: none;
}

.form-step.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

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

h2 {
  font-size: 1.5rem;
  margin-bottom: 25px;
  color: var(--text-color);
}

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

label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-color);
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="month"],
select,
textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: 1rem;
  font-family: inherit;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  transition: var(--transition);
  background: var(--white);
  color: var(--text-color);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 102, 181, 0.15);
}

input.error,
select.error,
textarea.error {
  border-color: var(--error-color);
}

textarea {
  resize: vertical;
  min-height: 80px;
}

.hint {
  display: block;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 5px;
}

.error-message {
  display: block;
  font-size: 0.85rem;
  color: var(--error-color);
  margin-top: 5px;
  min-height: 20px;
}

/* Checkbox */
.checkbox-group {
  margin-top: 25px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: 400;
}

.checkbox-label input {
  display: none;
}

.checkmark {
  width: 22px;
  height: 22px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  margin-right: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}

.checkbox-label input:checked + .checkmark {
  background: var(--accent-gradient);
  border-color: var(--primary-color);
}

.checkbox-label input:checked + .checkmark::after {
  content: '\2713';
  color: var(--white);
  font-size: 14px;
  font-weight: bold;
}

/* Photo Upload */
.photo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.photo-upload-item {
  display: flex;
  flex-direction: column;
}

.photo-upload-label {
  display: block;
  position: relative;
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  aspect-ratio: 4/3;
  overflow: hidden;
}

.photo-upload-label:hover {
  border-color: var(--primary-color);
  background: rgba(37, 102, 181, 0.05);
}

.photo-upload-label input[type="file"] {
  display: none;
}

.photo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.photo-icon {
  font-size: 1.8rem;
  margin-bottom: 6px;
  color: var(--text-light);
}

.photo-text {
  font-size: 0.8rem;
  color: var(--text-light);
  font-weight: 500;
}

.photo-preview {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
}

.photo-upload-label.has-photo {
  border-style: solid;
  border-color: var(--primary-color);
}

.photo-upload-label.has-photo .photo-placeholder {
  display: none;
}

.photo-upload-label.has-photo .photo-preview {
  display: block;
}

/* Buttons */
.form-actions {
  display: flex;
  gap: 15px;
  margin-top: 30px;
}

.btn {
  flex: 1;
  padding: 14px 24px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--white);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(37, 102, 181, 0.4);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: #f0f4f8;
  color: var(--text-color);
  border: 2px solid var(--border-color);
}

.btn-secondary:hover {
  background: #e2e8f0;
  border-color: #cbd5e0;
}

/* Result Container */
.result-container {
  text-align: center;
  padding: 20px 0;
}

.result-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 2.5rem;
}

.result-icon.success {
  background: rgba(72, 187, 120, 0.1);
  color: var(--success-color);
}

.result-icon.error {
  background: rgba(245, 101, 101, 0.1);
  color: var(--error-color);
}

.result-container h2 {
  margin-bottom: 15px;
}

.result-container p {
  color: var(--text-light);
  max-width: 400px;
  margin: 0 auto;
}

/* Footer */
footer {
  text-align: center;
  padding: 20px;
  color: rgba(226, 232, 240, 0.6);
  font-size: 0.9rem;
}

/* Loading State */
.btn.loading {
  position: relative;
  color: transparent;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Responsive */
@media (max-width: 480px) {
  .container {
    padding: 15px;
  }

  header h1 {
    font-size: 2rem;
  }

  main {
    padding: 20px;
  }

  .progress-bar {
    padding: 0;
  }

  .step-label {
    font-size: 0.65rem;
  }

  .step-number {
    width: 30px;
    height: 30px;
    font-size: 0.8rem;
  }

  .form-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}