/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #64748b;
  --success: #059669;
  --danger: #dc2626;
  --warning: #d97706;
  --background: #f8fafc;
  --surface: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  margin-bottom: 30px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  font-size: 32px;
}

.logo-text {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--surface);
  border-radius: 20px;
  box-shadow: var(--shadow);
  font-size: 14px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warning);
}

.status-badge.complete .status-dot {
  background: var(--success);
}

/* Progress bar */
.progress-container {
  margin-bottom: 40px;
}

.progress-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 20px;
}

.progress-fill {
  height: 100%;
  background: var(--primary);
  transition: width 0.3s ease;
}

.progress-steps {
  display: flex;
  justify-content: space-between;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.5;
  transition: opacity 0.3s ease;
}

.step.active {
  opacity: 1;
}

.step.completed {
  opacity: 1;
}

.step.completed .step-number {
  background: var(--success);
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  transition: background 0.3s ease;
}

.step.active .step-number {
  background: var(--primary);
  color: white;
}

.step-label {
  font-size: 12px;
  color: var(--text-light);
  text-align: center;
}

/* Main content */
.main {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 40px;
}

/* Form sections */
.form-section {
  display: none;
}

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

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

.form-section h2 {
  font-size: 24px;
  margin-bottom: 8px;
  color: var(--text);
}

.section-description {
  color: var(--text-light);
  margin-bottom: 30px;
}

/* Form grid */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-group label {
  font-weight: 500;
  font-size: 14px;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input::placeholder {
  color: var(--text-light);
}

.form-group small {
  font-size: 12px;
  color: var(--text-light);
}

.form-group small a {
  color: var(--primary);
  text-decoration: none;
}

/* Info box */
.info-box {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 30px;
}

.info-box h4 {
  margin-bottom: 12px;
  color: #0369a1;
}

.info-box ol {
  margin-left: 20px;
  color: var(--text);
}

.info-box li {
  margin-bottom: 8px;
}

.info-box ul {
  margin-left: 20px;
  margin-top: 8px;
}

.info-box code {
  background: #e0f2fe;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 13px;
}

/* Buttons */
.btn-primary,
.btn-secondary {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  background: var(--text-light);
  cursor: not-allowed;
  transform: none;
}

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

.btn-secondary:hover {
  background: var(--background);
  border-color: var(--text-light);
}

.nav-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}

/* Tarifs section */
.tarif-item {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.tarif-nom {
  flex: 2;
}

.tarif-prix {
  flex: 1;
}

.btn-remove {
  width: 40px;
  height: 40px;
  border: none;
  background: #fee2e2;
  color: var(--danger);
  border-radius: 8px;
  cursor: pointer;
  font-size: 20px;
  transition: background 0.2s ease;
}

.btn-remove:hover {
  background: #fecaca;
}

.btn-add {
  background: none;
  border: 2px dashed var(--border);
  padding: 12px 24px;
  border-radius: 8px;
  color: var(--text-light);
  cursor: pointer;
  width: 100%;
  margin-top: 12px;
  transition: all 0.2s ease;
}

.btn-add:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Test result */
.test-result {
  margin-top: 10px;
  padding: 10px;
  border-radius: 6px;
  font-size: 13px;
  display: none;
}

.test-result.success {
  display: block;
  background: #d1fae5;
  color: #065f46;
}

.test-result.error {
  display: block;
  background: #fee2e2;
  color: #991b1b;
}

/* Summary section */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.summary-card {
  background: var(--background);
  border-radius: 8px;
  padding: 20px;
}

.summary-card h4 {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.summary-card p {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 6px;
}

.summary-card .status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.summary-card .status.ok {
  color: var(--success);
}

.summary-card .status.missing {
  color: var(--warning);
}

/* Theme selector */
.theme-selector {
  margin-top: 30px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.theme-selector label {
  font-weight: 500;
}

.theme-options {
  display: flex;
  gap: 12px;
}

.theme-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.theme-btn:hover {
  transform: scale(1.1);
}

.theme-btn.active {
  border-color: var(--text);
}

/* Toast notifications */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  padding: 16px 24px;
  background: var(--text);
  color: white;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 1000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  background: var(--success);
}

.toast.error {
  background: var(--danger);
}

/* Footer */
.footer {
  text-align: center;
  padding: 30px 0;
  color: var(--text-light);
  font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 16px;
  }

  .main {
    padding: 24px;
  }

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

  .form-group.full-width {
    grid-column: span 1;
  }

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

  .progress-steps {
    display: none;
  }

  .step-label {
    display: none;
  }

  .tarif-item {
    flex-wrap: wrap;
  }

  .tarif-nom,
  .tarif-prix {
    flex: 1 1 100%;
  }
}

/* Success page styles */
.success-container {
  text-align: center;
  padding: 60px 20px;
}

.success-icon {
  font-size: 80px;
  margin-bottom: 20px;
}

.success-title {
  font-size: 32px;
  margin-bottom: 16px;
  color: var(--success);
}

.success-message {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.next-steps {
  text-align: left;
  background: var(--background);
  border-radius: 8px;
  padding: 30px;
  max-width: 600px;
  margin: 0 auto;
}

.next-steps h3 {
  margin-bottom: 20px;
  color: var(--text);
}

.next-steps ol {
  margin-left: 20px;
}

.next-steps li {
  margin-bottom: 12px;
  color: var(--text);
}

.next-steps code {
  background: var(--border);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: monospace;
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s ease-in-out infinite;
}

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