/* =========================================================
   Detail panel — 新 sections (plain / checklist / quickfix / deep)
   ========================================================= */
.detail-plain {
  background: linear-gradient(135deg, rgba(255,107,71,0.08), rgba(255,107,71,0.03));
  border: 1px solid rgba(255,107,71,0.18);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 24px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.detail-plain-icon {
  font-size: 18px;
  flex-shrink: 0;
  line-height: 1.4;
}
.detail-plain p {
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.005em;
}

.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { padding: 0; margin: 0; border-bottom: 1px dashed var(--line); }
.checklist li:last-child { border-bottom: none; }
.checklist-toggle {
  display: block;
  width: 100%;
  text-align: left;
  font-size: 14.5px;
  line-height: 1.55;
  padding: 12px 8px 12px 34px;
  position: relative;
  color: var(--ink-soft);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  border-radius: 6px;
  transition: background 0.15s;
}
.checklist-toggle:hover {
  background: rgba(0,0,0,0.025);
}
.checklist-toggle:focus-visible {
  outline: 3px solid var(--coral-text);
  outline-offset: 1px;
}
.checklist-toggle::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 14px;
  width: 18px; height: 18px;
  border: 2px solid var(--line);
  border-radius: 5px;
  background: #fff;
  transition: background 0.15s, border-color 0.15s;
}
.checklist-toggle::after {
  content: '✓';
  position: absolute;
  left: 12px; top: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.2s var(--ease);
}
.checklist-toggle.checked::before {
  background: var(--mint);
  border-color: var(--mint);
}
.checklist-toggle.checked::after { opacity: 1; }
.checklist-toggle.checked {
  color: var(--muted);
  text-decoration: line-through;
}

.quickfix-list { display: flex; flex-direction: column; gap: 14px; }
.quickfix-item {
  background: var(--soft);
  border-radius: var(--radius);
  padding: 14px 16px;
  border-left: 3px solid var(--coral);
}
.quickfix-problem {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 6px;
  font-weight: 500;
}
.quickfix-problem::before {
  content: '症狀：';
  color: var(--muted);
  font-weight: 400;
}
.quickfix-say {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
  margin-top: 6px;
  position: relative;
  padding-right: 76px;
}
.quickfix-copy {
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  font-size: 11px;
  letter-spacing: 0.05em;
  padding: 6px 10px;
  background: var(--ink);
  color: #fff;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.2s, transform 0.1s;
}
.quickfix-copy:hover { background: var(--coral); }
.quickfix-copy:active { transform: translateY(-50%) scale(0.95); }
.quickfix-copy.copied { background: var(--mint); }

/* Before / After comparison */
.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 6px;
}
@media (max-width: 880px) {
  .before-after { grid-template-columns: 1fr; }
}
.ba-side {
  border-radius: 12px;
  padding: 12px 14px;
}
.ba-side ul { list-style: none; padding: 0; margin: 0; }
.ba-side li {
  font-size: 13px;
  line-height: 1.5;
  padding: 5px 0 5px 22px;
  position: relative;
  color: var(--ink-soft);
}
.ba-side li::before {
  position: absolute;
  left: 0;
  top: 5px;
  font-weight: 700;
  font-size: 13px;
}
.ba-side h5 {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 6px;
}
.ba-bad {
  background: rgba(168,53,27,0.06);
  border: 1px solid rgba(168,53,27,0.15);
}
.ba-bad h5 { color: var(--coral-text); }
.ba-bad li::before { content: '×'; color: var(--coral-text); font-size: 16px; top: 2px; }
.ba-good {
  background: rgba(6,167,125,0.06);
  border: 1px solid rgba(6,167,125,0.18);
}
.ba-good h5 { color: var(--cat-tech-text); }
.ba-good li::before { content: '✓'; color: var(--cat-tech-text); }

.detail-deep {
  margin-top: 24px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.detail-deep > summary {
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  padding: 8px 0;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.detail-deep > summary::-webkit-details-marker { display: none; }
.detail-deep > summary::after {
  content: '+';
  font-size: 18px;
  color: var(--muted);
  font-weight: 300;
  transition: transform 0.3s var(--ease);
}
.detail-deep[open] > summary::after { transform: rotate(45deg); }
.detail-deep[open] > summary { color: var(--ink); margin-bottom: 12px; }

/* Detail nav (Phase C) */
.detail-nav {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.detail-nav[hidden] { display: none; }
.detail-nav button {
  padding: 9px 16px;
  font-size: 13.5px;
}
.detail-nav-progress {
  font-size: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}

/* =========================================================
   Intro modal — 新 layout
   ========================================================= */
.intro-card .intro-lead {
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--ink);
  line-height: 1.45;
  margin-bottom: 14px;
}
.intro-card .intro-sub {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 12px;
  line-height: 1.55;
}
.intro-bullets {
  list-style: none;
  text-align: left;
  margin: 0 0 22px;
  padding: 0;
  font-size: 14px;
  color: var(--ink-soft);
}
.intro-bullets li {
  padding: 8px 0 8px 26px;
  position: relative;
  line-height: 1.5;
}
.intro-bullets li::before {
  content: '→';
  position: absolute;
  left: 4px;
  top: 8px;
  color: var(--coral);
  font-weight: 700;
}
.intro-bullets strong {
  color: var(--ink);
  font-weight: 600;
  margin-right: 4px;
}
.intro-hint {
  font-size: 11px;
  color: var(--muted);
  margin-top: 14px;
  letter-spacing: 0.02em;
}
.intro-credit {
  font-size: 11px;
  color: var(--muted);
  margin-top: 10px;
  letter-spacing: 0.02em;
}
.link-button {
  background: none;
  border: none;
  color: var(--coral-text);
  cursor: pointer;
  font: inherit;
  padding: 0;
  text-decoration: underline;
  font-weight: 500;
}
.link-button:hover { color: var(--coral-dark); }

/* =========================================================
   Info Tooltip — hover / focus 顯示 嘅 popover
   ========================================================= */
.info-tooltip {
  display: inline-flex;
  position: relative;
  margin-left: 6px;
  vertical-align: middle;
}
.info-trigger {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: help;
  padding: 0;
  line-height: 1;
  font-family: inherit;
  transition: all 0.15s var(--ease);
}
.info-trigger:hover,
.info-trigger:focus-visible {
  border-color: var(--coral-text);
  color: var(--coral-text);
  background: color-mix(in srgb, var(--coral-text) 8%, transparent);
}
.info-bubble {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  width: 240px;
  background: var(--ink);
  color: #fff;
  font-size: 12.5px;
  line-height: 1.5;
  padding: 10px 12px;
  border-radius: 10px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s var(--ease), transform 0.18s var(--ease);
  z-index: 100;
  box-shadow: var(--shadow);
  font-weight: 400;
}
.info-bubble::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--ink);
}
.info-tooltip:hover .info-bubble,
.info-tooltip:focus-within .info-bubble {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.price-card.featured .info-trigger {
  border-color: rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.7);
}
.price-card.featured .info-trigger:hover,
.price-card.featured .info-trigger:focus-visible {
  border-color: var(--coral);
  color: var(--coral);
  background: rgba(255,107,71,0.15);
}

/* =========================================================
   Toast Notification — 頂部浮動通知
   ========================================================= */
.toast {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(-150%);
  z-index: 950;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px 12px 16px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  box-shadow: var(--shadow);
  max-width: 92vw;
  width: 380px;
  transition: transform 0.4s var(--ease), opacity 0.3s;
  opacity: 0;
}
.toast[hidden] { display: grid; visibility: hidden; }
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
}
.toast-icon { font-size: 20px; }
.toast-body { display: flex; flex-direction: column; }
.toast-body strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}
.toast-sub {
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-top: 1px;
  line-height: 1.4;
}
.toast-close {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--muted);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.toast-close:hover { background: var(--soft); color: var(--ink); }

/* =========================================================
   Cookie Banner — 底部浮動通知條
   ========================================================= */
.cookie-banner {
  position: fixed;
  bottom: 16px;
  left: 16px;
  right: 16px;
  max-width: 720px;
  margin: 0 auto;
  z-index: 900;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px 20px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
  box-shadow: var(--shadow);
  animation: cookie-slide-up 0.4s var(--ease) 0.6s both;
}
@keyframes cookie-slide-up {
  from { transform: translateY(calc(100% + 32px)); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}
.cookie-banner.dismissed {
  animation: cookie-slide-down 0.3s var(--ease) forwards;
  pointer-events: none;
}
.cookie-banner.fade-near-footer {
  opacity: 0 !important;            /* 蓋過 cookie-slide-up animation 嘅 fill state */
  transform: translateY(20px) !important;
  pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  animation: none;                  /* 停 slide-up animation */
}
@keyframes cookie-slide-down {
  to { transform: translateY(calc(100% + 32px)); opacity: 0; }
}
.cookie-icon { font-size: 28px; line-height: 1; }
.cookie-body strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 2px;
}
.cookie-body p {
  font-size: 12.5px;
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 0;
}
.cookie-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.cookie-actions .btn {
  padding: 8px 14px;
  font-size: 13px;
}
@media (max-width: 600px) {
  .cookie-banner {
    grid-template-columns: auto 1fr;
    bottom: 8px; left: 8px; right: 8px;
    padding: 12px 14px;
  }
  .cookie-actions {
    grid-column: 1 / -1;
    justify-content: flex-end;
    margin-top: 4px;
  }
}