.welcome-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100%;
  background: var(--gmail-bg);
  padding: 24px;
}

.welcome-card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  max-width: 600px;
  width: 100%;
  padding: 48px;
}

.welcome-logo {
  text-align: center;
  margin-bottom: 32px;
}

.welcome-logo h1 {
  font-family: var(--gmail-font-ui);
  font-size: 28px;
  color: var(--gmail-text-primary);
  margin-top: 8px;
}

.welcome-subtitle {
  color: var(--gmail-text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

.welcome-briefing {
  margin-bottom: 32px;
}

.briefing-content h2 {
  font-family: var(--gmail-font-ui);
  font-size: 18px;
  margin-bottom: 16px;
}

.briefing-content p {
  margin-bottom: 8px;
  line-height: 1.6;
}

.briefing-task {
  background: #e8f0fe;
  border-radius: 8px;
  padding: 16px;
  margin-top: 16px;
}

.briefing-task h3 {
  font-family: var(--gmail-font-ui);
  font-size: 14px;
  margin-bottom: 8px;
  color: var(--gmail-blue);
}

.briefing-task p {
  font-size: 13px;
  color: var(--gmail-text-secondary);
  line-height: 1.5;
}

.welcome-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  padding-top: 16px;
  border-top: 1px solid var(--gmail-border);
}

.welcome-difficulty-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.welcome-controls label {
  font-size: 14px;
  color: var(--gmail-text-secondary);
  white-space: nowrap;
}

#difficulty-select {
  padding: 8px 12px;
  border: 1px solid var(--gmail-border);
  border-radius: 4px;
  font-size: 14px;
  background: white;
}

.welcome-start-btn {
  background: var(--gmail-blue);
  color: white;
  border-radius: 4px;
  padding: 10px 24px;
  font-size: 14px;
  font-family: var(--gmail-font-ui);
  font-weight: 500;
  transition: background 0.2s;
}

.welcome-start-btn:hover:not(:disabled) {
  background: var(--gmail-blue-hover);
}

.welcome-start-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.welcome-start-btn.loading {
  position: relative;
  color: rgba(255,255,255,0.7);
}

.error {
  color: var(--gmail-red);
  text-align: center;
}

.briefing-warning {
  margin-top: 8px;
  font-size: 12px;
  color: var(--gmail-text-light);
}

.site-footer {
  text-align: center;
  font-size: 12px;
  color: var(--gmail-text-light);
  padding: 16px 0 8px;
}