/* ==============================================================
   STYLE.CSS — the only base stylesheet for the whole site.
   Design language: a mobile-first Bangladeshi general store.
   Signature element: prices shown as a small market price-tag
   (rounded chip, tag-hole notch, tabular numerals, slight tilt).
   Breakpoint-specific rules live in responsive.css, not here.
   ============================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,wght@0,300..700;1,300..700&family=Manrope:wght@400..800&display=swap');

/* ---------- design tokens ---------------------------------- */
:root {
  --c-bg: #F6F8F6;
  --c-surface: #FFFFFF;
  --c-ink: #101A15;
  --c-ink-soft: #4B5B52;
  --c-primary: #0E7C5A;
  --c-primary-dark: #0A5E44;
  --c-primary-contrast: #FFFFFF;
  --c-accent: #F0A202;
  --c-accent-red: #E5484D;
  --c-border: #DEE6E1;
  --c-shadow: 15, 30, 22;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 999px;

  --header-h: 60px;
  --container-w: 1200px;

  color-scheme: light;
}

:root[data-theme='dark'] {
  --c-bg: #0B1512;
  --c-surface: #11201B;
  --c-ink: #EAF3EE;
  --c-ink-soft: #9FB3A8;
  --c-primary: #34C98C;
  --c-primary-dark: #2AB37C;
  --c-primary-contrast: #06120D;
  --c-accent: #F5B22E;
  --c-accent-red: #F0666A;
  --c-border: #1E3129;
  --c-shadow: 0, 0, 0;
  color-scheme: dark;
}

/* ---------- reset -------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- base ----------------------------------------------- */
body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 16px;
}

:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
}

/* ---------- typography ------------------------------------------ */
h1, h2, h3, .font-display {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

h1 { font-size: clamp(1.7rem, 5vw, 2.4rem); line-height: 1.15; }
h2 { font-size: clamp(1.3rem, 3.5vw, 1.7rem); line-height: 1.2; }
h3 { font-size: 1.05rem; line-height: 1.3; }

.text-soft { color: var(--c-ink-soft); }
.text-sm { font-size: 0.85rem; }

/* ---------- buttons ------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-primary { background: var(--c-primary); color: var(--c-primary-contrast); }
.btn-primary:hover { background: var(--c-primary-dark); }

.btn-outline { background: transparent; border-color: var(--c-primary); color: var(--c-primary); }
.btn-outline:hover { background: var(--c-primary); color: var(--c-primary-contrast); }

.btn-ghost { background: transparent; color: var(--c-ink); border-color: var(--c-border); }
.btn-ghost:hover { border-color: var(--c-primary); color: var(--c-primary); }

.btn-block { width: 100%; }
.btn-sm { padding: 9px 16px; font-size: 0.85rem; }

/* ---------- header ------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: var(--header-h);
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--c-primary);
  white-space: nowrap;
}

.search-form { flex: 1; position: relative; display: none; }
.search-form input {
  width: 100%;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  padding: 0 44px 0 16px;
  font-size: 0.9rem;
}
.search-form button {
  position: absolute;
  right: 4px;
  top: 4px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--c-primary);
  color: var(--c-primary-contrast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-actions { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.icon-btn {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.icon-btn:hover { background: var(--c-bg); }

.cart-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 16px;
  height: 16px;
  padding: 0 3px;
  border-radius: var(--radius-full);
  background: var(--c-accent-red);
  color: #fff;
  font-size: 0.62rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.menu-toggle {
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}
.menu-toggle span { height: 2px; background: var(--c-ink); border-radius: 2px; }

.mobile-menu {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--c-surface);
  z-index: 39;
  padding: 20px 16px;
  overflow-y: auto;
}
.mobile-menu.is-open { display: block; }
.mobile-menu .search-form { display: block; margin-bottom: 20px; }
.mobile-menu-links { display: flex; flex-direction: column; gap: 2px; }
.mobile-menu-links a {
  padding: 14px 4px;
  border-bottom: 1px solid var(--c-border);
  font-weight: 600;
}

/* ---------- footer ------------------------------------------ */
.site-footer {
  margin-top: 48px;
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  padding: 32px 0 90px;
}
.footer-grid { display: grid; gap: 28px; }
.footer-col h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--c-ink-soft); margin-bottom: 12px; }
.footer-col a, .footer-col p { display: block; color: var(--c-ink-soft); font-size: 0.9rem; padding: 5px 0; }
.footer-col a:hover { color: var(--c-primary); }
.footer-bottom {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--c-border);
  font-size: 0.8rem;
  color: var(--c-ink-soft);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- mobile bottom nav (thumb-friendly primary actions) - */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  display: flex;
  padding: 6px 0 max(6px, env(safe-area-inset-bottom));
}
.bottom-nav a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 0.68rem;
  color: var(--c-ink-soft);
  padding: 6px 0;
}
.bottom-nav a.is-active { color: var(--c-primary); }
.bottom-nav .icon { font-size: 1.2rem; }

/* ---------- sections -------------------------------------------- */
.section { padding: 32px 0; }
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
}
.section-header a { font-size: 0.85rem; font-weight: 700; color: var(--c-primary); }

/* ---------- category chips --------------------------------- */
.category-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.category-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 8px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.category-chip:hover { border-color: var(--c-primary); transform: translateY(-2px); }
.category-chip-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--c-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.category-chip-icon img { width: 22px; height: 22px; opacity: 0.85; }
:root[data-theme='dark'] .category-chip-icon img { filter: invert(1); }

/* ---------- product grid + card -------------------------------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.product-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: block;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.product-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px -12px rgba(var(--c-shadow), 0.25);
}
.product-card-image { position: relative; aspect-ratio: 1 / 1; background: var(--c-bg); }
.product-card-image img { width: 100%; height: 100%; object-fit: cover; }
.product-card-body { padding: 10px 12px 14px; }
.product-card-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.88rem;
  line-height: 1.35;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.badge-discount {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--c-accent-red);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.rating-stars { color: var(--c-accent); font-size: 0.78rem; letter-spacing: 1px; }
.rating-count { color: var(--c-ink-soft); font-size: 0.75rem; letter-spacing: normal; }

/* ---------- price tag (signature element) ------------------------
   Styled like a small market price ticket: rounded chip, a punched
   "tag hole" on the left, tabular numerals, a slight honest tilt. */
.price-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 4px;
}
.price-tag-final {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  font-size: 0.95rem;
  color: var(--c-primary);
  background: color-mix(in srgb, var(--c-primary) 12%, transparent);
  padding: 3px 10px 3px 16px;
  border-radius: var(--radius-sm);
  transform: rotate(-1.2deg);
}
.price-tag-final::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 50%;
  translate: 0 -50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--c-surface);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--c-primary) 45%, transparent);
}
.price-tag-final-lg { font-size: 1.4rem; padding: 6px 16px 6px 24px; }
.price-tag-final-lg::before { left: 10px; width: 6px; height: 6px; }
.price-tag-original {
  font-variant-numeric: tabular-nums;
  font-size: 0.8rem;
  color: var(--c-ink-soft);
  text-decoration: line-through;
}

/* ---------- skeleton loading -------------------------------- */
.skeleton {
  background: linear-gradient(100deg, var(--c-border) 30%, color-mix(in srgb, var(--c-border) 40%, var(--c-surface)) 50%, var(--c-border) 70%);
  background-size: 200% 100%;
  animation: shimmer 1.3s ease-in-out infinite;
  border-radius: var(--radius-sm);
}
.skeleton-card { pointer-events: none; }
.skeleton-image { aspect-ratio: 1/1; border-radius: var(--radius-md) var(--radius-md) 0 0; }
.skeleton-line { height: 12px; margin: 10px 12px; }
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- empty state -------------------------------------- */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 32px 16px;
  color: var(--c-ink-soft);
}

/* ---------- toasts -------------------------------------------- */
.toast-stack {
  position: fixed;
  bottom: calc(70px + env(safe-area-inset-bottom));
  left: 16px;
  right: 16px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--c-ink);
  color: var(--c-bg);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 10px 24px -8px rgba(var(--c-shadow), 0.4);
}
.toast-visible { opacity: 1; transform: translateY(0); }
.toast-error { background: var(--c-accent-red); color: #fff; }
.toast-success { background: var(--c-primary); color: var(--c-primary-contrast); }

/* ---------- forms -------------------------------------------- */
.auth-page { display: flex; align-items: center; justify-content: center; padding: 40px 16px 60px; min-height: calc(100vh - var(--header-h)); }
.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
}
.auth-card h1 { margin-bottom: 6px; }
.auth-switch { text-align: center; margin-top: 18px; font-size: 0.88rem; color: var(--c-ink-soft); }
.auth-switch a { color: var(--c-primary); font-weight: 700; }

.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 0.82rem; font-weight: 700; margin-bottom: 6px; }
.form-input {
  width: 100%;
  height: 46px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  font-size: 0.95rem;
}
.form-input:focus { border-color: var(--c-primary); }
.form-row { display: flex; gap: 10px; }
.form-row .form-group { flex: 1; }
.form-hint { font-size: 0.78rem; color: var(--c-ink-soft); margin-top: 6px; }
.form-divider { display: flex; align-items: center; gap: 10px; margin: 18px 0; color: var(--c-ink-soft); font-size: 0.8rem; }
.form-divider::before, .form-divider::after { content: ''; flex: 1; height: 1px; background: var(--c-border); }

.otp-input { letter-spacing: 0.5em; text-align: center; font-weight: 700; font-size: 1.2rem; }

/* ---------- breadcrumb ---------------------------------------- */
.breadcrumb { display: flex; flex-wrap: wrap; gap: 6px; font-size: 0.8rem; color: var(--c-ink-soft); margin-bottom: 14px; }
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb span[aria-hidden] { opacity: 0.5; }

/* ---------- product detail ------------------------------------- */
.product-gallery-main {
  aspect-ratio: 1/1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  margin-bottom: 10px;
}
.product-gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.product-thumbs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
.product-thumb {
  flex: 0 0 auto;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid transparent;
  padding: 0;
  background: var(--c-surface);
}
.product-thumb.is-active { border-color: var(--c-primary); }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }

.stock-line { font-size: 0.85rem; font-weight: 700; color: var(--c-primary); margin: 10px 0; }
.stock-line.stock-out { color: var(--c-accent-red); }

.variant-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0 18px; }
.variant-chip {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  font-size: 0.85rem;
  font-weight: 600;
}
.variant-chip.is-active { border-color: var(--c-primary); color: var(--c-primary); background: color-mix(in srgb, var(--c-primary) 10%, transparent); }
.variant-chip:disabled { opacity: 0.4; text-decoration: line-through; }

.product-actions { display: flex; gap: 10px; margin-top: 20px; }
.product-actions .btn { flex: 1; }

.product-description { margin-top: 24px; line-height: 1.7; color: var(--c-ink-soft); }
.product-description :is(h1, h2, h3) { color: var(--c-ink); margin-top: 1em; margin-bottom: 0.4em; }

.review-item { padding: 16px 0; border-bottom: 1px solid var(--c-border); }
.review-comment { margin: 6px 0; }
.review-author { font-size: 0.8rem; color: var(--c-ink-soft); font-weight: 700; }

/* ---------- search page ---------------------------------------- */
.search-page-input { margin-bottom: 20px; }

/* ---------- simple content pages (about/contact) ----------------- */
.prose { max-width: 680px; }
.prose p { margin-bottom: 14px; color: var(--c-ink-soft); }
.contact-info-list { display: grid; gap: 14px; margin-top: 20px; }
.contact-info-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
}