/* ereader.pongsak.doctor — mobile-first */

:root {
  --c-bg: #ffffff;
  --c-fg: #0f172a;
  --c-muted: #64748b;
  --c-border: #e2e8f0;
  --c-accent: #1e40af;
  --c-accent-fg: #ffffff;
  /* Light tint of --c-accent. layout.twig overrides this per shop via
     color-mix() based on THEME_COLOR; the static fallback here matches
     the default ereader navy so older browsers without color-mix still
     render the original tint. */
  --c-accent-soft: #eef2ff;
  --c-soft: #f8fafc;
  --c-sold: #94a3b8;
  --c-warn: #b45309;
  --r: 0.5rem;
  --maxw: 64rem;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Sarabun", "IBM Plex Sans Thai", system-ui, sans-serif;
  color: var(--c-fg);
  background: var(--c-bg);
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

body { display: flex; flex-direction: column; min-height: 100vh; }
.site-main { flex: 1; }

a { color: var(--c-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1rem; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--c-border);
  background: var(--c-bg);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  color: var(--c-fg);
}
.brand:hover { text-decoration: none; }
.brand-mark {
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--c-accent);
}
.brand-dot { color: var(--c-warn); }
.brand-text { font-size: 0.85rem; color: var(--c-muted); }
.nav { display: flex; gap: 1rem; align-items: center; }
.nav-link { color: var(--c-fg); font-size: 0.95rem; }
.lang-toggle {
  border: 1px solid var(--c-border);
  border-radius: 999px;
  padding: 0.15rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
}

/* Burger menu — desktop hides the toggle + button, nav stays inline.
   Below 720px the inline nav collapses into a dropdown driven by the
   hidden checkbox state (no JS required). */
.nav-burger { display: none; }
@media (max-width: 720px) {
  .site-header .wrap { flex-wrap: wrap; }
  .nav-burger {
    display: inline-flex;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 22px;
    cursor: pointer;
    padding: 2px 0;
    margin-left: auto;
  }
  .nav-burger span {
    display: block;
    height: 3px;
    background: var(--c-fg);
    border-radius: 2px;
  }
  .nav {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--c-border);
  }
  .nav-toggle:checked ~ .nav { display: flex; }
  .nav .nav-link {
    padding: 0.6rem 0.25rem;
    border-bottom: 1px solid var(--c-border);
  }
  .nav .nav-link:last-child { border-bottom: 0; }
  .nav .lang-toggle {
    align-self: flex-start;
    border-bottom: 0;
  }
}

/* Hero */
.hero { padding: 1.5rem 1rem 0.5rem; }
.hero h1 { margin: 0 0 0.25rem; font-size: 1.5rem; }
.tagline { color: var(--c-muted); margin: 0 0 0.5rem; }
.count { color: var(--c-muted); font-size: 0.9rem; margin: 0.25rem 0 0; }

/* Shop grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  padding: 1rem;
}
.empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--c-muted);
  padding: 2rem;
}

.card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  background: var(--c-bg);
  color: var(--c-fg);
  overflow: hidden;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.card:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
}
.card-sold { background: #f0f1f3; border-color: #d0d3d8; }
.card-sold:hover { transform: none; box-shadow: none; }
.card-sold .card-photo { background: #e4e6ea; }
.card-sold .card-photo img { filter: grayscale(1) brightness(0.92); }
.card-sold .card-body,
.card-sold .card-title,
.card-sold .card-price,
.card-sold .card-meta { color: #6b7280; }
.card-sold .photo-placeholder { background: #e4e6ea; }
.card-sold .ph-brand,
.card-sold .ph-model { color: #6b7280; }

.card-photo {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--c-soft);
  overflow: hidden;
}
.card-photo img { width: 100%; height: 100%; object-fit: cover; }

.photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.25rem;
  background: var(--c-accent-soft);
  color: var(--c-fg);
  padding: 1rem;
  text-align: center;
}
.ph-brand { font-weight: 700; font-size: 1.1rem; color: var(--c-accent); }
.ph-model { font-size: 0.85rem; color: var(--c-muted); }
.ph-no-photo { font-size: 0.75rem; color: var(--c-muted); margin-top: 0.5rem; font-style: italic; }
.photo-large { aspect-ratio: 1 / 1; }

.sold-overlay {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  transform: rotate(-12deg);
  transform-origin: center;
  background: #a83232;
  color: #fff;
  padding: 0.2rem 0.6rem;
  border: 1.5px solid #fff;
  outline: 1.5px solid #a83232;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  pointer-events: none;
  white-space: nowrap;
}

.card-body { padding: 0.75rem; display: flex; flex-direction: column; gap: 0.25rem; flex: 1; }
.card-meta { font-size: 0.75rem; color: var(--c-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.card-title { margin: 0; font-size: 0.95rem; font-weight: 600; line-height: 1.35; }
.card-price { margin-top: auto; font-size: 1.05rem; font-weight: 700; color: var(--c-fg); padding-top: 0.4rem; }

.badge-fallback {
  display: inline-block;
  background: #fef3c7;
  color: var(--c-warn);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.05rem 0.4rem;
  border-radius: 0.25rem;
  margin-left: 0.4rem;
  vertical-align: middle;
}

/* Product detail */
.product { padding: 1rem; }
.back { display: inline-block; margin-bottom: 0.75rem; font-size: 0.9rem; }
.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.gallery {
  position: relative;
}
.gallery-main-btn {
  display: block;
  width: 100%;
  background: var(--c-soft);
  border: 0;
  padding: 0;
  border-radius: var(--r);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  cursor: zoom-in;
}
.gallery-main { width: 100%; height: 100%; object-fit: cover; display: block; }
.gallery-thumbs {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
  gap: 6px;
}
.gallery-thumbs li { margin: 0; }
.gallery-thumb-btn {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--c-soft);
  border: 2px solid transparent;
  border-radius: 6px;
  overflow: hidden;
  padding: 0;
  cursor: pointer;
}
.gallery-thumb-btn.is-active { border-color: var(--c-accent, #2563eb); }
.gallery-thumb-btn img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Coupon block (cart page) */
.coupon-block { margin: 1rem 0; }
.coupon-toggle summary {
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--c-accent, #2563eb);
  padding: 0.4rem 0;
  user-select: none;
}
.coupon-form {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}
.coupon-form input[type=text] {
  flex: 1 1 200px;
  min-width: 0;
  padding: 0.55rem 0.8rem;
  border: 1px solid #d1d5db;
  border-radius: var(--r);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.coupon-applied {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  padding: 0.5rem 0.8rem;
  border-radius: var(--r);
  font-size: 0.9rem;
}
.coupon-pill {
  display: inline-block;
  background: #065f46;
  color: #fff;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.btn-link {
  background: transparent;
  border: 0;
  color: #6b7280;
  cursor: pointer;
  text-decoration: underline;
  font-size: 0.8rem;
  padding: 0;
  margin-left: auto;
}
.btn-link:hover { color: #ef4444; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  box-sizing: border-box;
}
.lightbox[hidden] { display: none !important; }
.lb-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
}
.lightbox button {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 0;
  cursor: pointer;
  font-size: 28px;
  line-height: 1;
  padding: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  transition: background .15s;
}
.lightbox button:hover { background: rgba(255, 255, 255, 0.2); }
.lb-close { top: 16px; right: 16px; }
.lb-prev  { left:  16px; top: 50%; transform: translateY(-50%); font-size: 32px; }
.lb-next  { right: 16px; top: 50%; transform: translateY(-50%); font-size: 32px; }
.lb-counter {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 13px;
}
@media (max-width: 720px) {
  .lb-prev, .lb-next { font-size: 24px; width: 36px; height: 36px; }
  .lb-close { width: 36px; height: 36px; font-size: 22px; }
}

.info h1 { margin: 0.25rem 0 0.5rem; font-size: 1.4rem; line-height: 1.3; }
.price { font-size: 1.6rem; font-weight: 700; margin: 0.5rem 0 1rem; }

.btn {
  display: inline-block;
  border: 0;
  border-radius: var(--r);
  padding: 0.7rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
}
.btn-primary { background: var(--c-accent); color: var(--c-accent-fg); }
.btn-disabled { background: var(--c-sold); color: #fff; cursor: not-allowed; }

.trust-strip-inline,
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.8rem;
  color: var(--c-muted);
  margin: 1rem 0;
}
.trust-strip-inline span,
.trust-strip span { white-space: nowrap; }

.spec {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
}
.spec th, .spec td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--c-border);
  vertical-align: top;
}
.spec th {
  width: 40%;
  font-weight: 500;
  color: var(--c-muted);
  background: var(--c-soft);
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.feature-list li {
  background: #ecfdf5;
  color: #065f46;
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  font-size: 0.8rem;
}

.block { margin: 1.25rem 0; }
.block h3 { margin: 0 0 0.4rem; font-size: 1rem; }
.block p { margin: 0; white-space: pre-wrap; }

/* Wizard ("Help me choose") */
.wizard { padding: 1.25rem 1rem; max-width: 36rem; }
.wizard .progress {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-muted);
  margin: 0.75rem 0 0.25rem;
}
.wizard-q { margin: 0 0 1.25rem; font-size: 1.4rem; line-height: 1.3; }
.wizard-form { display: flex; flex-direction: column; gap: 1rem; }
.options { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.option {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  cursor: pointer;
  transition: border-color 0.1s, background 0.1s;
}
.option:hover { border-color: var(--c-accent); background: #f5f7ff; }
.option-checked,
.option:has(input:checked) {
  border-color: var(--c-accent);
  background: #eef2ff;
  box-shadow: 0 0 0 2px rgba(30, 64, 175, 0.12) inset;
}
.option input[type=radio] { margin-right: 0.5rem; transform: translateY(1px); }
.opt-label { font-weight: 500; }
.opt-hint { font-size: 0.8rem; color: var(--c-muted); margin-left: 1.4rem; }

.options-inline {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.6rem;
}
.option-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--c-border);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.85rem;
}
.option-pill:has(input:checked) { border-color: var(--c-accent); background: #eef2ff; color: var(--c-accent); }
.option-pill input { display: none; }

.brand-extra { border-top: 1px dashed var(--c-border); padding-top: 0.75rem; }
.brand-extra summary { cursor: pointer; color: var(--c-accent); font-size: 0.9rem; }

.wizard-actions { margin-top: 0.75rem; }

/* Results */
.notice {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: var(--r);
  padding: 0.85rem 1rem;
  margin: 0.5rem 0 1rem;
  font-size: 0.9rem;
}
.notice strong { color: var(--c-warn); }
.notice p { margin: 0.4rem 0 0.25rem; }
.relaxed-list { margin: 0.25rem 0 0; padding-left: 1.2rem; color: var(--c-muted); }

.match-chips {
  list-style: none;
  padding: 0;
  margin: 0.4rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.match-chips li {
  background: #ecfdf5;
  color: #065f46;
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
  font-size: 0.72rem;
}

.link-small { font-size: 0.85rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--c-border);
  margin-top: 2rem;
  padding: 1.5rem 0;
  background: var(--c-soft);
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.footer-grid h4, .footer-grid .footer-h { margin: 0 0 0.5rem; font-size: 0.95rem; font-weight: 600; }
.plain { list-style: none; padding: 0; margin: 0; }
.plain li { padding: 0.15rem 0; }

/* Tablet+ */
@media (min-width: 640px) {
  .product-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .info h1 { font-size: 1.6rem; }
  .footer-grid { grid-template-columns: 1fr 2fr; }
}

/* Desktop */
@media (min-width: 960px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
  .hero h1 { font-size: 1.85rem; }
}

/* ─── Phase 3: trust elements ─────────────────────────────── */

/* Hero FB 5★ chip */
.fb-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0.4rem 0 0.25rem;
  padding: 0.25rem 0.7rem;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  background: #f8fafc;
  font-size: 0.8rem;
  color: var(--c-fg);
  text-decoration: none;
}
.fb-chip:hover { border-color: var(--c-accent); background: #eef2ff; text-decoration: none; }
.fb-stars { color: #d97706; letter-spacing: 0.05em; }
.fb-chip-text { color: var(--c-muted); }

/* Testimonials grid */
.testimonials {
  padding: 2.5rem 1rem 2rem;
  background: linear-gradient(180deg, #fffaf0 0%, #fff 100%);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  margin-top: 1.5rem;
}
.t-heading {
  margin: 0 0 0.35rem;
  font-size: 1.5rem;
  text-align: center;
  letter-spacing: -0.01em;
}
.t-heading::after {
  content: "";
  display: block;
  width: 3rem;
  height: 3px;
  background: #f5a623;
  margin: 0.5rem auto 0;
  border-radius: 2px;
}
.t-subhead { margin: 0 0 1.5rem; font-size: 0.9rem; text-align: center; }
.t-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 64rem;
  margin: 0 auto;
}
.testimonial {
  position: relative;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  background: #fff;
  padding: 1.5rem 1.25rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
  transition: transform .15s ease, box-shadow .15s ease;
}
.testimonial:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 6px rgba(0,0,0,0.06), 0 8px 20px rgba(0,0,0,0.06);
}
.testimonial::before {
  content: "\201C";
  position: absolute;
  top: -0.35rem;
  left: 0.75rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 3.5rem;
  line-height: 1;
  color: #f5a623;
  opacity: 0.25;
  pointer-events: none;
}
.t-stars {
  color: #f5a623;
  letter-spacing: 0.1em;
  font-size: 1.15rem;
  line-height: 1;
}
.t-text {
  margin: 0;
  line-height: 1.6;
  color: var(--c-fg);
  font-size: 0.98rem;
}
.t-meta {
  font-size: 0.82rem;
  color: var(--c-muted);
  margin: 0.2rem 0 0;
  padding-top: 0.6rem;
  border-top: 1px solid var(--c-border);
}
.t-meta cite { font-style: normal; font-weight: 600; color: var(--c-fg); }
@media (min-width: 640px) {
  .t-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
}
@media (min-width: 960px) {
  .t-grid { grid-template-columns: repeat(3, 1fr); }
}

/* About page */
.about { padding: 1.5rem 1rem; max-width: 38rem; }
.about-greeting { margin: 0 0 0.5rem; font-size: 1.6rem; }
.about-lede { font-size: 1rem; line-height: 1.6; color: var(--c-fg); margin: 0 0 0.85rem; }
.about-block { margin: 1.75rem 0; }
.about-block h2 { font-size: 1.05rem; margin: 0 0 0.5rem; color: var(--c-fg); }
.about-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.about-list li { line-height: 1.55; }
.about-list strong { color: var(--c-accent); }

/* LINE block */
.contact-block { background: #f8fafc; border-radius: var(--r); padding: 1rem 1.1rem; }
.line-block { margin: 1rem 0; }
.line-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.line-icon {
  background: #06C755;
  color: #fff;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: 0.25rem;
  letter-spacing: 0.05em;
}
.line-id {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-fg);
  background: transparent;
  padding: 0;
}
.btn-copy {
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  border-radius: 0.35rem;
  padding: 0.25rem 0.65rem;
  font-size: 0.8rem;
  cursor: pointer;
  color: var(--c-fg);
}
.btn-copy:hover { border-color: var(--c-accent); color: var(--c-accent); }
.line-hint { font-size: 0.85rem; color: var(--c-muted); margin: 0.6rem 0 0; }

/* FB button */
.contact-cta { margin-top: 1rem; }
.btn-fb {
  display: inline-block;
  background: #1877F2;
  color: #fff;
  padding: 0.6rem 1.1rem;
  border-radius: var(--r);
  font-weight: 600;
  font-size: 0.95rem;
}
.btn-fb:hover { background: #0e5dbf; color: #fff; text-decoration: none; }

/* ─── Phase 4: cart + checkout ───────────────────────────────── */

.cart-link { position: relative; }
.cart-badge {
  display: inline-block;
  font-weight: 600;
  color: var(--c-accent);
}

.cart-page, .checkout-page, .review-page { padding: 1.25rem 1rem; }
.cart-page h1, .checkout-page h1, .review-page h1 { margin: 0 0 1rem; font-size: 1.5rem; }

.cart-items {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.cart-item {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  background: var(--c-bg);
  overflow: hidden;
  position: relative;
}
.ci-link {
  display: flex;
  flex: 1;
  gap: 0.75rem;
  color: var(--c-fg);
  text-decoration: none;
  padding: 0.5rem 0.5rem 0.5rem 0.5rem;
}
.ci-link:hover { text-decoration: none; background: var(--c-soft); }
.ci-thumb {
  width: 88px;
  height: 88px;
  flex-shrink: 0;
  background: var(--c-soft);
  border-radius: 0.35rem;
  overflow: hidden;
  position: relative;
}
.ci-thumb img { width: 100%; height: 100%; object-fit: cover; }
.ph-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  background: var(--c-accent-soft);
  font-size: 0.7rem; text-align: center; padding: 0.25rem;
}
.ph-placeholder span { color: var(--c-muted); }
.ph-placeholder span:first-child { color: var(--c-accent); font-weight: 600; }
.ci-body { flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 0.15rem; min-width: 0; }
.ci-meta { font-size: 0.75rem; color: var(--c-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.ci-title { font-weight: 500; line-height: 1.3; }
.ci-price { font-weight: 700; }

.btn-remove {
  border: 0;
  background: transparent;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--c-muted);
  cursor: pointer;
  padding: 0 0.85rem;
}
.btn-remove:hover { color: var(--c-warn); }

.cart-warnings {
  list-style: none;
  padding: 0.6rem 1rem;
  margin: 0 0 1rem;
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: var(--r);
  color: var(--c-warn);
  font-size: 0.9rem;
}
.cart-warnings:empty { display: none; }

.cart-totals {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1rem;
}
.cart-totals td { padding: 0.4rem 0; border-bottom: 1px dashed var(--c-border); }
.cart-totals td.num { text-align: right; font-variant-numeric: tabular-nums; }
.cart-totals tr.total td { border-bottom: 0; padding-top: 0.6rem; font-size: 1.15rem; font-weight: 700; }

.cart-actions { margin-top: 0.5rem; }
.cart-actions .btn { display: inline-block; width: auto; padding: 0.7rem 1.25rem; }

/* Checkout form */
.checkout-summary { margin-bottom: 1.5rem; }
.checkout-summary h2,
.review-block h2 { font-size: 1rem; margin: 0 0 0.5rem; color: var(--c-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.review-block { margin: 1.5rem 0; }
.review-block.pay-block { padding-top: 1rem; border-top: 1px solid var(--c-border); }

.checkout-form { display: flex; flex-direction: column; gap: 1rem; }
.checkout-form h2 { font-size: 1rem; margin: 0; color: var(--c-muted); text-transform: uppercase; letter-spacing: 0.05em; }

.field { display: flex; flex-direction: column; gap: 0.3rem; }
.field-label { font-weight: 500; }
.field input, .field textarea {
  font: inherit;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--c-border);
  border-radius: var(--r);
  background: var(--c-bg);
  color: var(--c-fg);
  width: 100%;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(30,64,175,0.15);
}
.field-hint { font-size: 0.8rem; color: var(--c-muted); }
.field-error {
  font-size: 0.85rem;
  color: #b91c1c;
}
.optional { color: var(--c-muted); font-weight: 400; font-size: 0.85em; }

.field-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.95rem;
  line-height: 1.4;
}
.field-checkbox input { margin-top: 0.2rem; transform: scale(1.1); }
.field-checkbox a { text-decoration: underline; }

.dl-pairs { display: grid; grid-template-columns: max-content 1fr; gap: 0.4rem 1rem; margin: 0; }
.dl-pairs dt { color: var(--c-muted); font-weight: 500; }
.dl-pairs dd { margin: 0; }

.review-page .lede { color: var(--c-fg); font-size: 1rem; }
.pay-block .btn { display: inline-block; width: auto; padding: 0.7rem 1.25rem; }
.btn[disabled], .btn-disabled { opacity: 0.6; cursor: not-allowed; }

.loading { color: var(--c-muted); font-style: italic; }

@media (min-width: 640px) {
  .cart-page, .checkout-page, .review-page { padding: 1.5rem 1rem; }
  .cart-page h1, .checkout-page h1, .review-page h1 { font-size: 1.75rem; }
  .cart-actions .btn,
  .pay-block .btn { padding: 0.75rem 1.5rem; }
}

/* Phase 6f — public share row on product page */
.share-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-top: 1rem;
  padding: 0.75rem 0;
  border-top: 1px dashed #e5e7eb;
}
.share-row-label {
  font-size: 0.85rem;
  color: var(--c-muted);
  margin-right: 0.25rem;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid #e5e7eb;
  background: #fff;
  color: var(--c-fg);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}
.share-btn:hover { background: #f9fafb; border-color: #d1d5db; }
.share-line:hover  { border-color: #06c755; color: #06c755; }
.share-fb:hover    { border-color: #1877f2; color: #1877f2; }
.share-copy:hover  { border-color: var(--c-accent); color: var(--c-accent); }

/* KOReader explainer page */
.koreader-page { padding: 1.5rem 1rem 3rem; }
.koreader-page h1 { font-size: 1.6rem; line-height: 1.3; margin: 0 0 0.5rem; }
.koreader-page h2 { font-size: 1.25rem; margin: 0 0 0.75rem; }

.kr-hero {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0e7ff 100%);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  margin-bottom: 2rem;
}
.kr-lede { font-size: 1.05rem; color: var(--c-muted); margin: 0.75rem auto 1rem; max-width: 36rem; line-height: 1.55; }
.kr-price-pill {
  display: inline-block;
  background: var(--c-accent);
  color: var(--c-accent-fg);
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  margin: 0;
}

.kr-section {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}
.kr-section p { line-height: 1.65; margin: 0 0 0.75rem; }
.kr-section p:last-child { margin-bottom: 0; }

.kr-checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }
.kr-checks li { line-height: 1.5; padding-left: 0.25rem; }

.kr-feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.9rem; }
.kr-feature-list li { line-height: 1.55; padding-left: 1rem; border-left: 3px solid #e5e7eb; }
.kr-feature-list li strong { color: var(--c-fg); }

.kr-compat-list { list-style: none; padding: 0; margin: 0.75rem 0; display: grid; gap: 0.5rem; }
.kr-compat-list li { padding: 0.5rem 0.75rem; background: #f9fafb; border-radius: 6px; }

.kr-compare .kr-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}
.kr-card { margin: 0; }
.kr-card figcaption {
  margin-top: 0.5rem;
  font-size: 0.95rem;
}
.kr-card figcaption strong { display: block; margin-bottom: 0.25rem; }
.kr-card figcaption p { color: var(--c-muted); margin: 0; line-height: 1.5; font-size: 0.9rem; }
.kr-card.kr-bad figcaption strong { color: #b91c1c; }
.kr-card.kr-good figcaption strong { color: #047857; }

.kr-img-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  background: #f3f4f6;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #e5e7eb;
}
.kr-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.kr-img-fallback {
  position: absolute; inset: 0;
  display: none;
  align-items: center; justify-content: center;
  color: #4b5563; font-size: 0.85rem; font-weight: 500;
  text-align: center; padding: 1rem;
  background: #e5e7eb;
}
.kr-img-wrap.kr-img-missing img { display: none; }
.kr-img-wrap.kr-img-missing .kr-img-fallback { display: flex; }

/* Single side-by-side comparison figure (replaces the old 4-card grid). */
.kr-compare-figure {
  margin: 1rem 0 0;
}
.kr-compare-figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  background: #f3f4f6;
}
.kr-compare-figure figcaption {
  margin-top: 0.6rem;
  line-height: 1.5;
}

.kr-cta { background: linear-gradient(180deg, #fff 0%, #f9fafb 100%); }
.kr-steps { padding-left: 1.25rem; line-height: 1.6; margin: 0 0 1rem; }
.kr-steps li { margin-bottom: 0.5rem; }
.kr-cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1rem; }

.kr-faq details {
  border-bottom: 1px solid #e5e7eb;
  padding: 0.75rem 0;
}
.kr-faq details:last-child { border-bottom: none; }
.kr-faq summary {
  cursor: pointer;
  font-weight: 500;
  padding: 0.25rem 0;
  list-style: none;
}
.kr-faq summary::-webkit-details-marker { display: none; }
.kr-faq summary::before { content: '+ '; color: var(--c-accent); font-weight: 700; }
.kr-faq details[open] summary::before { content: '− '; }
.kr-faq details p { margin: 0.5rem 0 0; line-height: 1.6; color: var(--c-muted); }

@media (min-width: 720px) {
  .koreader-page { padding: 2rem 1rem 4rem; }
  .koreader-page h1 { font-size: 2rem; }
  .koreader-page h2 { font-size: 1.5rem; }
  .kr-hero { padding: 3rem 2rem; }
  .kr-section { padding: 2rem; }
  .kr-checks { grid-template-columns: 1fr 1fr; }
  .kr-compare .kr-grid { grid-template-columns: 1fr 1fr; }
}

/* ---- SEO landing pages (brand + guide) ---- */
.crumbs {
  font-size: 0.875rem;
  color: #64748b;
  margin: 0 0 1.25rem;
}
.crumbs a {
  color: #475569;
  text-decoration: none;
}
.crumbs a:hover { text-decoration: underline; }
.crumbs span { color: #0f172a; }

.brand-page, .guide {
  max-width: 780px;
  padding: 2rem 1.25rem 4rem;
}
.brand-page h1, .guide h1 {
  font-size: 1.85rem;
  line-height: 1.25;
  margin: 0.25rem 0 1rem;
}
.brand-page .lede, .guide .lede {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: #1f2937;
  margin: 0 0 2rem;
}
.brand-page h2, .guide h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
  border-top: 1px solid #e2e8f0;
  padding-top: 1.5rem;
}
.brand-page h2:first-of-type, .guide h2:first-of-type {
  border-top: 0;
  padding-top: 0;
}
.brand-page p, .guide p,
.brand-page li, .guide li {
  line-height: 1.7;
}
.brand-page ul, .brand-page ol,
.guide ul, .guide ol {
  padding-left: 1.5rem;
}
.brand-page ul li, .guide ul li,
.brand-page ol li, .guide ol li {
  margin: 0.4rem 0;
}
.brand-stock { margin-top: 1.5rem; }
.brand-stock .grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.brand-stock .empty {
  background: #f8fafc;
  border: 1px dashed #cbd5e1;
  padding: 1rem 1.25rem;
  border-radius: 8px;
  color: #475569;
}
.count-pill {
  display: inline-block;
  margin-left: 0.5rem;
  background: #0f172a;
  color: #fff;
  font-size: 0.75rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  vertical-align: middle;
}
.guide details {
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin: 0.5rem 0;
}
.brand-page details {
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin: 0.5rem 0;
}
.guide details summary, .brand-page details summary {
  cursor: pointer;
  font-weight: 600;
}
.guide .byline {
  color: #64748b;
  font-size: 0.875rem;
  margin: -0.25rem 0 1.5rem;
}
.guide hr {
  border: 0;
  border-top: 1px solid #e2e8f0;
  margin: 2.5rem 0 1.5rem;
}
.author-bio {
  background: #f8fafc;
  border-left: 3px solid #475569;
  padding: 1rem 1.25rem;
  border-radius: 0 6px 6px 0;
}
.author-bio h3 {
  font-size: 1rem;
  margin: 0 0 0.5rem;
}
.see-other {
  margin-top: 2rem;
  font-size: 0.9375rem;
  color: #475569;
}
.qc-list li, .model-list li { margin: 0.6rem 0; }
.shop-intro {
  max-width: 720px;
  margin: 1rem auto 0;
  color: #334155;
  line-height: 1.7;
  font-size: 0.95rem;
}

/* KOReader add-on upsell on /p/{device} pages */
.addon-block {
  margin: 0.85rem 0;
  padding: 0.75rem 0.9rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--r);
}
.addon-row {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1.5;
}
.addon-row input[type="checkbox"] {
  margin-top: 0.25rem;
  flex: 0 0 auto;
  transform: scale(1.15);
}
.addon-row .addon-text { flex: 1; }
.addon-row strong { color: var(--c-fg); }
.addon-row .muted { display: block; margin-top: 0.15rem; }
.addon-link {
  display: inline-block;
  margin-top: 0.25rem;
  font-size: 0.85rem;
  color: var(--c-accent);
}

/* Cart row variant for service items (KOReader install etc.) */
.cart-item--service { background: #f8fafc; }
.ph-placeholder.ph-service {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--c-muted);
}
.addon-badge {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.05rem 0.45rem;
  background: #e0e7ff;
  color: #3730a3;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 500;
  vertical-align: middle;
}

/* Service product detail page */
.product-service-card {
  max-width: 640px;
  margin: 1rem auto;
}
.product-service-card .info { padding: 0; }

/* Disabled state for the cart-checkout link when service-only */
.btn.btn-disabled,
a.btn-disabled {
  opacity: 0.5;
  pointer-events: none;
  cursor: not-allowed;
}

/* Filter + sort bar — sits inside the grid as a full-width row so its
   left/right edges line up with the product cards (the grid has its own
   1rem padding inside .wrap). `grid-column: 1 / -1` spans every column
   regardless of how many auto-fill into the row. */
.grid-toolbar {
  grid-column: 1 / -1;
  margin: 0;
}
.sort-form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin: 0;
  font-size: 0.9rem;
}
.sort-form .sort-field {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.sort-form .sort-label { color: var(--c-muted); }
.sort-form select {
  padding: 0.35rem 0.6rem;
  border: 1px solid #e2e8f0;
  border-radius: var(--r);
  background: #fff;
  font-size: 0.9rem;
  cursor: pointer;
}
.sort-form select:focus {
  outline: 2px solid var(--c-accent);
  outline-offset: 1px;
}
.sort-form .btn-reset {
  font-size: 0.85rem;
  color: var(--c-muted);
  text-decoration: underline;
  margin-left: auto;
}
.sort-form .btn-reset:hover { color: var(--c-fg); }

/* "NEW" badge for items added in the last 14 days. Sits top-left so it
   doesn't collide with the top-right .card-num-badge. */
.badge-new {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.2rem 0.5rem;
  background: #dc2626;
  color: #fff;
  border-radius: 0.25rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  pointer-events: none;
  z-index: 2;
}

/* Numbered badge for product cards on shop landing page.
   Helps identify which item a customer screenshots. */
.card-num-badge {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  min-width: 1.7rem;
  height: 1.7rem;
  padding: 0 0.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--c-accent) 80%, transparent);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.8);
  outline: 2px solid color-mix(in srgb, var(--c-accent) 80%, transparent);
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  line-height: 1;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  pointer-events: none;
  z-index: 2;
}

/* Checkout flow stepper (cart → checkout → review) — Amazon-style connected bar */
.flow-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 2rem 0 0.5rem;
  padding: 1rem 0.25rem 0.5rem;
  border-top: 1px dashed var(--c-border);
  font-size: 0.8rem;
}
.flow-step {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--c-muted);
  text-align: center;
  min-width: 0;
}
.flow-step + .flow-step::before {
  content: "";
  position: absolute;
  top: 0.85rem;
  right: 50%;
  left: -50%;
  height: 2px;
  background: var(--c-border);
  z-index: 0;
}
.flow-step--done + .flow-step::before { background: var(--c-accent); }
.flow-step__num {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 999px;
  background: #fff;
  border: 2px solid var(--c-border);
  color: var(--c-muted);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
}
.flow-step--done .flow-step__num {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-accent-fg);
}
.flow-step--current .flow-step__num {
  background: #fff;
  border-color: var(--c-accent);
  color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--c-accent-soft);
}
.flow-step--current { color: var(--c-fg); font-weight: 600; }
.flow-step__label { padding: 0 0.25rem; }

/* Compact submit button on checkout details form */
.checkout-form .checkout-submit {
  display: inline-block;
  width: auto;
  padding: 0.65rem 1.2rem;
  align-self: flex-start;
}
@media (min-width: 640px) {
  .checkout-form .checkout-submit { padding: 0.7rem 1.4rem; }
}

/* Info box (calmer alternative to .notice — used for explanatory copy) */
.info-box {
  background: var(--c-accent-soft);
  border: 1px solid color-mix(in srgb, var(--c-accent) 25%, white);
  border-radius: var(--r);
  padding: 0.7rem 0.9rem;
  margin: 1rem 0 0.5rem;
  font-size: 0.88rem;
  line-height: 1.5;
}
.info-box strong { display: block; margin-bottom: 0.2rem; color: var(--c-fg); }
.info-box p { margin: 0; color: var(--c-muted); }
/* Beam payment info — faint blue, theme-independent */
.info-box--beam { background: #eff6ff; border-color: #bfdbfe; }
.info-box--beam strong { color: #1e3a8a; }