/* extras.css — 首屏快篩卡、單元分享列、結構化回饋、決策題、加到主畫面提示
   四塊都只在 course.config.json 有對應區塊時才會被渲染，沒設定就完全不出現 */

.btn-sm {
  padding: 3px 10px;
  font-size: 12px;
  line-height: 20px;
}

/* --- 首屏：最常見的四種不舒服 ------------------------------------------- */

.PickGrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: var(--base-size-12);
  margin-top: var(--base-size-16);
}

.Pick {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: var(--base-size-8);
  padding: var(--base-size-16);
  text-align: left;
  cursor: pointer;
  border: 1px solid var(--borderColor-default);
  border-radius: var(--borderRadius-large);
  background: var(--bgColor-default);
  color: inherit;
  font: inherit;
  transition:
    border-color 0.15s,
    box-shadow 0.15s,
    transform 0.15s;
}

.Pick:hover {
  border-color: var(--borderColor-accent-emphasis);
  box-shadow: var(--shadow-floating-small);
  transform: translateY(-2px);
}

.Pick:focus-visible {
  outline: 2px solid var(--fgColor-accent);
  outline-offset: 2px;
}

.Pick__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--borderRadius-medium);
  background: var(--bgColor-accent-muted);
  color: var(--fgColor-accent);
}

.Pick__title {
  font-size: 16px;
  font-weight: 600;
}

.Pick__symptoms {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 13px;
  color: var(--fgColor-muted);
}

.Pick__symptoms span::before {
  content: "· ";
}

.Pick__go {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 13px;
  font-weight: 600;
  color: var(--fgColor-accent);
}

/* --- 單元底部：存成圖卡 / 分享到 LINE ----------------------------------- */

.ShareBar,
.Feedback {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--base-size-8) var(--base-size-12);
  margin-top: var(--base-size-12);
  padding: var(--base-size-8) var(--base-size-12);
  border: 1px solid var(--borderColor-muted);
  border-radius: var(--borderRadius-medium);
  background: var(--bgColor-muted);
}

.ShareBar__label,
.Feedback__label {
  display: inline-flex;
  align-items: center;
  gap: var(--base-size-4);
  font-size: 12px;
  color: var(--fgColor-muted);
}

.ShareBar__btns,
.Feedback__opts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--base-size-8);
  margin-left: auto;
}

.Feedback__opts {
  margin-left: 0;
}

.Feedback.is-sent {
  border-color: color-mix(in srgb, var(--fgColor-success) 35%, transparent);
  background: var(--bgColor-success-muted);
}

.Feedback.is-sent .Feedback__label {
  color: var(--fgColor-success);
}

/* --- 首頁：該自己練還是找教練 ------------------------------------------- */

.Decide__list {
  display: grid;
  gap: var(--base-size-8);
  margin-top: var(--base-size-16);
}

.Decide__item {
  border: 1px solid var(--borderColor-default);
  border-radius: var(--borderRadius-medium);
  background: var(--bgColor-default);
}

.Decide__item > summary {
  display: flex;
  align-items: center;
  gap: var(--base-size-8);
  padding: var(--base-size-12) var(--base-size-16);
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.Decide__item > summary::-webkit-details-marker {
  display: none;
}

.Decide__item > summary::after {
  content: "";
  width: 8px;
  height: 8px;
  margin-left: auto;
  border-right: 2px solid var(--fgColor-muted);
  border-bottom: 2px solid var(--fgColor-muted);
  transform: rotate(45deg);
  transition: transform 0.15s;
}

.Decide__item[open] > summary::after {
  transform: rotate(-135deg);
}

.Decide__body {
  padding: 0 var(--base-size-16) var(--base-size-16);
  color: var(--fgColor-muted);
  line-height: 1.7;
}

.Decide__btns {
  display: flex;
  flex-wrap: wrap;
  gap: var(--base-size-8);
  margin-top: var(--base-size-16);
}

/* --- 加到手機主畫面 ------------------------------------------------------ */

.Pwa {
  position: fixed;
  right: var(--base-size-16);
  bottom: var(--base-size-16);
  left: var(--base-size-16);
  z-index: 60;
  display: flex;
  align-items: flex-start;
  gap: var(--base-size-12);
  max-width: 420px;
  margin-left: auto;
  padding: var(--base-size-16);
  border: 1px solid var(--borderColor-default);
  border-radius: var(--borderRadius-large);
  background: var(--bgColor-default);
  box-shadow: var(--shadow-floating-small);
  animation: pwa-in 0.25s ease-out;
}

@keyframes pwa-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .Pwa {
    animation: none;
  }
  .Pick {
    transition: none;
  }
}

.Pwa__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: var(--borderRadius-medium);
  background: var(--bgColor-accent-muted);
  color: var(--fgColor-accent);
}

.Pwa__text {
  display: grid;
  gap: var(--base-size-4);
  font-size: 13px;
  color: var(--fgColor-muted);
}

.Pwa__text strong {
  font-size: 14px;
  color: var(--fgColor-default);
}

.Pwa__text .btn {
  justify-self: start;
  margin-top: var(--base-size-4);
}

.Pwa__steps {
  margin: var(--base-size-4) 0 0;
  padding-left: 18px;
  line-height: 1.7;
}

.Pwa__close {
  flex: none;
  margin-left: auto;
}

/* 上課模式吃滿版，這幾塊不該擋住播放器 */
body[data-tab="player"] .Pwa {
  display: none;
}