/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  line-height: 1.6;
  color: #1f2937;
  background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.header {
  background: white;
  border-bottom: 1px solid #e5e7eb;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  align-items: center;
  padding: 1rem 0;
}

.header-icon {
  font-size: 2rem;
  color: #3b82f6;
  margin-right: 0.75rem;
}

.header-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1f2937;
}

/* Main Content */
.main {
  padding: 2rem 0;
}

/* Hero Section */
.hero {
  text-align: center;
  margin-bottom: 2rem;
}

.hero-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 1rem;
}

.hero-description {
  font-size: 1.125rem;
  color: #6b7280;
  max-width: 42rem;
  margin: 0 auto;
}

/* Form Card */
.form-card {
  background: white;
  border-radius: 0.5rem;
  box-shadow:
    0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  margin-bottom: 2rem;
}

.card-header {
  padding: 1.5rem 1.5rem 0;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.5rem;
}

.card-description {
  color: #6b7280;
  font-size: 0.875rem;
}

.card-content {
  padding: 1.5rem;
}

/* Form Sections */
.form-section {
  margin-bottom: 1.5rem;
}

.section-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #1f2937;
  border-bottom: 1px solid #e5e7eb;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.subsection-title {
  font-size: 1rem;
  font-weight: 600;
  color: #374151;
  margin: 1.5rem 0 1rem 0;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid #f3f4f6;
}

.section-description {
  color: #6b7280;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

/* Form Grid */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Form Groups */
.form-group {
  margin-bottom: 1rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea,
select.form-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  background-color: white;
  transition:
    border-color 0.15s ease-in-out,
    box-shadow 0.15s ease-in-out;
}

select.form-input {
  cursor: pointer;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
  appearance: none;
}

.form-input:focus,
.form-textarea:focus,
select.form-input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #9ca3af;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* Input with Icon */
.input-with-icon {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  color: #9ca3af;
  font-size: 0.875rem;
}

.textarea-icon {
  top: 0.75rem;
}

.form-input-with-icon {
  padding-left: 2.5rem;
}

/* Checkbox Grid */
.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .checkbox-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .checkbox-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* Info Categories */
.info-categories {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .info-categories {
    grid-template-columns: 1fr 1fr;
  }
}

.category-card {
  background: #f8fafc;
  border: 2px solid #e2e8f0;
  border-radius: 0.5rem;
  padding: 1rem;
  transition: all 0.2s ease-in-out;
}

.category-card:hover {
  border-color: #3b82f6;
  background: #f1f5f9;
}

.category-card:has(input:checked) {
  border-color: #3b82f6;
  background: #eff6ff;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.category-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  cursor: pointer;
  display: block;
  line-height: 1.4;
}

.category-label strong {
  display: block;
  margin-bottom: 0.25rem;
  color: #1f2937;
}

.category-description {
  color: #6b7280;
  font-weight: 400;
  line-height: 1.3;
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  border: 1px solid #d1d5db;
  border-radius: 0.25rem;
  cursor: pointer;
}

.checkbox-group input[type="checkbox"]:checked {
  background-color: #3b82f6;
  border-color: #3b82f6;
}

.checkbox-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  cursor: pointer;
}

/* Submit Button */
.submit-btn {
  width: 100%;
  background: #3b82f6;
  color: white;
  border: none;
  padding: 0.875rem 1.5rem;
  border-radius: 0.375rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.submit-btn:hover {
  background: #2563eb;
}

.submit-btn:disabled {
  background: #9ca3af;
  cursor: not-allowed;
}

.loading-icon {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Info Section */
.info-section {
  background: white;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.info-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 1rem;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .info-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.info-item {
  text-align: center;
}

.info-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.75rem;
  font-size: 1.5rem;
}

.info-icon-blue {
  background: #dbeafe;
  color: #3b82f6;
}

.info-icon-green {
  background: #d1fae5;
  color: #10b981;
}

.info-icon-purple {
  background: #e9d5ff;
  color: #8b5cf6;
}

.info-item-title {
  font-weight: 500;
  color: #1f2937;
  margin-bottom: 0.5rem;
}

.info-item-description {
  font-size: 0.875rem;
  color: #6b7280;
}

/* Footer */
.footer {
  background: #1f2937;
  color: white;
  padding: 2rem 0;
  margin-top: 3rem;
}

.footer-content {
  text-align: center;
}

.footer-text {
  color: #9ca3af;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: white;
  border-radius: 0.5rem;
  padding: 2rem;
  max-width: 28rem;
  width: 90%;
  text-align: center;
}

.success-icon {
  font-size: 4rem;
  color: #10b981;
  margin-bottom: 1rem;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 1rem;
}

.modal-description {
  color: #6b7280;
  margin-bottom: 1.5rem;
}

.modal-btn {
  background: #3b82f6;
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s ease-in-out;
}

.modal-btn:hover {
  background: #2563eb;
}

/* Toast */
.toast {
  position: fixed;
  top: 1rem;
  right: 1rem;
  padding: 1rem 1.5rem;
  border-radius: 0.375rem;
  color: white;
  font-weight: 500;
  z-index: 1001;
  transform: translateX(100%);
  transition: transform 0.3s ease-in-out;
}

.toast.show {
  transform: translateX(0);
}

.toast.success {
  background: #10b981;
}

.toast.error {
  background: #ef4444;
}

/* Form Validation */
.form-input.error,
.form-textarea.error {
  border-color: #ef4444;
}

.error-message {
  color: #ef4444;
  font-size: 0.75rem;
  margin-top: 0.25rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 0.75rem;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .card-content {
    padding: 1rem;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .checkbox-grid {
    grid-template-columns: 1fr;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .header-content {
    padding: 0.75rem 0;
  }

  .header-title {
    font-size: 1.25rem;
  }

  .main {
    padding: 1rem 0;
  }

  .form-card {
    margin: 0 -0.75rem 2rem;
    border-radius: 0;
  }

  .info-section {
    margin: 0 -0.75rem 2rem;
    border-radius: 0;
  }
}