/* ================================================================
   StylePick Live — TikTok bio mobile-first quick filter
   Light theme.  No external dependencies.  System font stack.
   ================================================================ */

/* ---- Reset & Variables -------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg:            #f7f5f0;
  --bg-card:       #fff;
  --border:        #e5e1da;
  --border-dark:   #d4cfc5;
  --text:          #111;
  --text-muted:    #666;
  --text-dim:      #999;
  --white:         #fff;
  --black:         #111;
  --radius:        4px;
  --font:          -apple-system, BlinkMacSystemFont, "Segoe UI",
                   "PingFang TC", "Microsoft JhengHei", "Helvetica Neue",
                   sans-serif;
  --sticky-h:      52px;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.5;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  padding-bottom: var(--sticky-h);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---- Buttons ------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  letter-spacing: 0.06em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, opacity 0.2s;
  user-select: none;
  text-transform: uppercase;
}

.btn-primary {
  padding: 12px 28px;
  font-size: 0.8125rem;
  background: var(--black);
  color: var(--white);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #333;
}

.btn-card {
  width: 100%;
  padding: 8px 0;
  font-size: 0.6875rem;
  font-weight: 700;
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.btn-card:hover,
.btn-card:focus-visible {
  background: #333;
  border-color: #333;
}

.btn-outline-dark {
  padding: 12px 28px;
  font-size: 0.8125rem;
  background: transparent;
  color: var(--text);
  border-color: var(--border-dark);
  min-width: 140px;
}

.btn-outline-dark:hover,
.btn-outline-dark:focus-visible {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.btn-sticky {
  padding: 8px 20px;
  font-size: 0.6875rem;
  background: var(--black);
  color: var(--white);
  flex-shrink: 0;
}

.btn-sticky:hover,
.btn-sticky:focus-visible {
  background: #333;
}

.link-btn {
  display: inline;
  padding: 0;
  font: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  border-bottom: 1px dotted var(--text-dim);
  cursor: pointer;
  letter-spacing: 0.04em;
}

.link-btn:hover,
.link-btn:focus-visible {
  color: var(--text);
  border-bottom-color: var(--text);
}

/* ---- Sticky bottom bar -------------------------------------- */
.sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  height: var(--sticky-h);
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  transform: translateY(100%);
  transition: transform 0.25s ease;
}

.sticky-bar--visible {
  transform: translateY(0);
}

.sticky-bar__text {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* ---- Compact header ----------------------------------------- */
.header {
  padding: 20px 20px 16px;
  text-align: center;
}

.header__label {
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.header__title {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 6px;
}

.header__sub {
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 340px;
  margin: 0 auto 12px;
}

.header__hint {
  margin-top: 6px;
  font-size: 0.55rem;
  color: #b0ada6;
  letter-spacing: 0.06em;
}

/* ---- Products section --------------------------------------- */
.products {
  padding: 8px 12px 36px;
}

.products__title {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-align: center;
  margin-bottom: 2px;
}

.products__sub {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-align: center;
  margin-bottom: 10px;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  max-width: 720px;
  margin: 0 auto;
}

/* ---- Product card ------------------------------------------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card__img-wrap {
  position: relative;
  aspect-ratio: 3 / 4;
  background: #f0ede8;
  overflow: hidden;
}

.card__img-wrap.img-missing {
  background: linear-gradient(135deg, #f0ede8, #e8e4dc, #f0ede8);
}

.card__img-wrap.img-missing::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 5px,
    rgba(0,0,0,0.03) 5px,
    rgba(0,0,0,0.03) 10px
  );
}

.card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s;
}

.card__tag {
  position: absolute;
  top: 6px;
  left: 6px;
  padding: 2px 6px;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text);
  background: rgba(255,255,255,0.85);
  border-radius: 2px;
}

.card__body {
  padding: 10px 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.card__name {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text);
}

.card__desc {
  font-size: 0.58rem;
  color: #b5b0a8;
  letter-spacing: 0.04em;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---- Mid CTA ------------------------------------------------ */
.mid-cta {
  padding: 16px 20px 8px;
  text-align: center;
}

.mid-cta__title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  margin-bottom: 6px;
}

.mid-cta__text {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}

/* ---- Bottom CTA --------------------------------------------- */
.cta-bottom {
  padding: 40px 20px 56px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.cta-bottom__title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
  color: var(--text);
}

.cta-bottom__text {
  max-width: 320px;
  margin: 0 auto 20px;
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---- Footer ------------------------------------------------- */
.footer {
  padding: 24px 20px 40px;
  text-align: center;
  font-size: 0.625rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---- Fallback ----------------------------------------------- */
.fallback {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 48px 24px;
  text-align: center;
}

.fallback__title {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 12px;
}

.fallback__text {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 36px;
}

.fallback__links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ---- LINE info modal ---------------------------------------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal[hidden] {
  display: none;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.modal__dialog {
  position: relative;
  background: var(--white);
  border-radius: 8px;
  padding: 28px 22px 24px;
  max-width: 420px;
  width: 92vw;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

.modal__close {
  position: absolute;
  top: 10px;
  right: 14px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-dim);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 50%;
  transition: color 0.15s;
}

.modal__close:hover {
  color: var(--text);
}

.modal__title {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  margin-bottom: 6px;
}

.modal__desc {
  font-size: 0.68rem;
  color: var(--text-dim);
  line-height: 1.55;
  margin-bottom: 18px;
}

.modal__line-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: #f7f5f0;
  border-radius: 6px;
  padding: 14px 16px;
  margin-bottom: 6px;
}

.modal__line-label {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.modal__line-value {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text);
}

.modal__copy {
  margin-top: 6px;
  min-width: 140px;
}

.modal__copied {
  display: block;
  font-size: 0.65rem;
  color: #4a8;
  margin-bottom: 12px;
}

.modal__copied[hidden] {
  display: none;
}

.modal__qr-wrap {
  width: 150px;
  height: 150px;
  margin: 18px auto 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  background: var(--white);
  position: relative;
}

.modal__qr {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.modal__qr-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #faf9f6;
  padding: 16px;
}

.modal__qr-placeholder[hidden] {
  display: none;
}

.modal__qr-placeholder-title {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.modal__qr-placeholder-text {
  font-size: 0.62rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.modal__qr-hint {
  font-size: 0.62rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin-bottom: 18px;
}

.modal__open {
  width: 100%;
}

/* ---- Image zoom overlay ------------------------------------- */
.zoom {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.88);
  padding: 48px 16px;
}

.zoom[hidden] {
  display: none;
}

.zoom__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  z-index: 2;
  transition: background 0.15s, color 0.15s;
}

.zoom__close:hover {
  background: rgba(255,255,255,0.2);
  color: #fff;
}

.zoom__img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 2px;
}

/* ---- Desktop --------------------------------------------------
   Keeps mobile spirit; widens grid for larger screens.
   --------------------------------------------------------------- */
@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }

  .sticky-bar {
    display: none;
  }

  .header {
    padding: 28px 32px 22px;
  }

  .header__title {
    font-size: 1.75rem;
  }

  .header__sub {
    font-size: 0.85rem;
    max-width: 400px;
  }

  .product-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    max-width: 1024px;
  }

  .products {
    padding: 8px 32px 48px;
  }

  .card__body {
    padding: 12px 12px 16px;
  }

  .card__img-wrap {
    cursor: pointer;
  }

  .cta-bottom {
    padding: 56px 32px 64px;
  }

  .mid-cta {
    padding: 24px 32px 12px;
  }
}

@media (min-width: 1024px) {
  .product-grid {
    gap: 16px;
    max-width: 1120px;
  }
}