/* css/components/onboarding.css — Level selection onboarding (Duolingo-style) */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.onboarding-screen {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
  flex-direction: column;
  background: #fff;
  font-family: 'Nunito', sans-serif;
}

.onboarding-screen.visible {
  display: flex;
}

body.onboarding-open {
  overflow: hidden;
}

body.onboarding-open #app {
  visibility: hidden;
}

.onboarding-header {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  padding: 16px 20px;
  flex-shrink: 0;
}

.onboarding-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 20px 100px;
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}

.onboarding-prompt {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  margin-bottom: 28px;
}

.onboarding-mascot {
  width: 96px;
  height: auto;
  flex-shrink: 0;
}

.onboarding-speech-bubble {
  position: relative;
  background: #fff;
  border: 2px solid #e5e5e5;
  border-radius: 16px;
  padding: 14px 18px;
  flex: 1;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.onboarding-speech-bubble::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 28px;
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-right: 10px solid #e5e5e5;
}

.onboarding-speech-bubble::after {
  content: '';
  position: absolute;
  left: -7px;
  top: 29px;
  width: 0;
  height: 0;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-right: 9px solid #fff;
}

.onboarding-speech-bubble p {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: #3c3c3c;
  line-height: 1.4;
}

.onboarding-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.onboarding-option {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  background: #fff;
  border: 2px solid #e5e5e5;
  border-radius: 16px;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}

.onboarding-option:hover {
  border-color: #afafaf;
}

.onboarding-option.selected {
  border-color: #f47417;
  background: #fff8f3;
  box-shadow: 0 0 0 1px #f47417;
}

.onboarding-option-icon {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 28px;
  flex-shrink: 0;
}

.onboarding-bar {
  width: 6px;
  border-radius: 3px;
  background: #e5e5e5;
}

.onboarding-bar:nth-child(1) {
  height: 12px;
}

.onboarding-bar:nth-child(2) {
  height: 20px;
}

.onboarding-bar:nth-child(3) {
  height: 28px;
}

.onboarding-bar--filled {
  background: #f47417;
}

.onboarding-option-text {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.onboarding-level-name {
  font-size: 1rem;
  font-weight: 700;
  color: #3c3c3c;
}

.onboarding-level-equiv {
  font-size: 0.85rem;
  font-weight: 600;
  color: #777;
  text-align: right;
  flex-shrink: 0;
}

.onboarding-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: flex-end;
  padding: 16px 24px 24px;
  background: linear-gradient(to top, #fff 70%, rgba(255, 255, 255, 0));
  border-top: 1px solid #f0f0f0;
}

.onboarding-continue-btn {
  min-width: 160px;
  padding: 14px 28px;
  border: none;
  border-radius: 16px;
  background: #f47417;
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 4px 0 #d45f0a;
  transition: filter 0.15s, transform 0.1s;
}

.onboarding-continue-btn:hover:not(:disabled) {
  filter: brightness(1.05);
}

.onboarding-continue-btn:active:not(:disabled) {
  transform: translateY(2px);
  box-shadow: 0 2px 0 #d45f0a;
}

.onboarding-continue-btn:disabled {
  background: #e5e5e5;
  color: #afafaf;
  box-shadow: 0 4px 0 #d4d4d4;
  cursor: not-allowed;
}

@media (max-width: 480px) {
  .onboarding-body {
    padding: 24px 16px 100px;
  }

  .onboarding-prompt {
    gap: 8px;
    margin-bottom: 24px;
  }

  .onboarding-mascot {
    width: 72px;
  }

  .onboarding-speech-bubble {
    padding: 12px 14px;
  }

  .onboarding-speech-bubble::before {
    top: 22px;
  }

  .onboarding-speech-bubble::after {
    top: 23px;
  }

  .onboarding-speech-bubble p {
    font-size: 0.92rem;
  }

  .onboarding-footer {
    justify-content: stretch;
  }

  .onboarding-continue-btn {
    width: 100%;
  }
}