/* tutorial.css — 教程 App */

.tutorial-scroll {
  gap: 10px;
  padding-top: 16px;
}

.tutorial-hero {
  padding: 22px 16px 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
}

.tutorial-hero-icon {
  width: 64px;
  height: 64px;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.tutorial-hero-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tutorial-hero-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--c-text);
}

.tutorial-hero-desc {
  max-width: 300px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-sub);
}

.tutorial-tip {
  margin: 4px 16px 8px;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  background: var(--c-surface);
  color: var(--c-sub);
  font-size: 12px;
  line-height: 1.6;
}

.tutorial-steps {
  padding: 6px 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tutorial-step {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.tutorial-step-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--c-accent-light);
  color: var(--c-accent-dark);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tutorial-step-text {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-text);
  min-width: 0;
}

.tutorial-code {
  margin: 8px 16px 16px;
  padding: 12px;
  border-radius: var(--r-sm);
  background: var(--c-surface);
  color: var(--c-text);
  font-size: 12px;
  line-height: 1.7;
  word-break: break-word;
}

.tutorial-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px 0 16px;
}

.tutorial-section-head .section-title {
  flex: 1;
  padding: 0;
  display: flex;
  align-items: center;
  min-height: 28px;
}

.tutorial-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 8px;
  border-radius: var(--r-sm);
  color: var(--c-accent);
  font-size: 12px;
  flex-shrink: 0;
}

.tutorial-copy-btn:active {
  background: var(--c-accent-light);
}

.tutorial-code-block {
  max-height: 320px;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre;
}