/* ==========================================================================
   MR. TUMI GROCERY & GIFT — REUSABLE DESIGN SYSTEM (PHASE 04)
   Bilingual (`bn` + `en`), WCAG AA Contrast-Verified, Mobile-First Foundation
   ========================================================================== */

:root {
  /* Brand Primary — Grocery Market Emerald */
  --mt-primary-950: #072618;
  --mt-primary-900: #0d3b26;
  --mt-primary-800: #14532d;
  --mt-primary-700: #15803d;
  --mt-primary-600: #16a34a;
  --mt-primary-100: #dcfce7;
  --mt-primary-50: #f0fdf4;

  /* Brand Secondary — Gift Warm Amber & Terracotta */
  --mt-gift-900: #78350f;
  --mt-gift-800: #92400e;
  --mt-gift-700: #b45309;
  --mt-gift-500: #f59e0b;
  --mt-gift-300: #fcd34d;
  --mt-gift-100: #fef3c7;
  --mt-gift-50: #fffbeb;

  /* Admin Dark Shell Tokens (Guided by Reference Structure) */
  --mt-admin-topbar: #151e2c;
  --mt-admin-sidebar: #1a2433;
  --mt-admin-sidebar-border: rgba(255, 255, 255, 0.08);
  --mt-admin-sidebar-text: #cbd5e1;
  --mt-admin-sidebar-active-bg: rgba(34, 197, 94, 0.16);
  --mt-admin-sidebar-active-fg: #86efac;

  /* Neutral Surfaces & WCAG AA Text Scale (>= 4.5:1 on white) */
  --mt-bg: #f8fafc;
  --mt-surface: #ffffff;
  --mt-surface-subtle: #f1f5f9;
  --mt-border: #e2e8f0;
  --mt-border-strong: #cbd5e1;
  --mt-text-strong: #0f172a;
  --mt-text-body: #1e293b;
  --mt-text-muted: #475569;

  /* Semantic Status Tokens */
  --mt-success-fg: #14532d;
  --mt-success-bg: #dcfce7;
  --mt-warning-fg: #92400e;
  --mt-warning-bg: #fef3c7;
  --mt-danger-fg: #991b1b;
  --mt-danger-bg: #fee2e2;
  --mt-info-fg: #075985;
  --mt-info-bg: #e0f2fe;

  /* Focus Ring */
  --mt-focus-ring: #15803d;
  --mt-focus-ring-contrast: #fbbf24;

  /* Typography */
  --mt-font-sans: 'Hind Siliguri', 'Noto Sans Bengali', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mt-font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Spacing & Radii */
  --mt-space-1: 0.25rem;
  --mt-space-2: 0.5rem;
  --mt-space-3: 0.75rem;
  --mt-space-4: 1rem;
  --mt-space-5: 1.25rem;
  --mt-space-6: 1.5rem;
  --mt-space-8: 2rem;

  --mt-radius-sm: 0.5rem;
  --mt-radius-md: 0.75rem;
  --mt-radius-lg: 1rem;
  --mt-radius-pill: 9999px;

  --mt-shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
  --mt-shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.06);
  --mt-shadow-md: 0 10px 25px rgba(15, 23, 42, 0.09);
}

/* --------------------------------------------------------------------------
   1. Base Typography, Bangla Vowel Diacritic Safety & Overflow Prevention
   -------------------------------------------------------------------------- */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--mt-font-sans);
  color: var(--mt-text-body);
  overflow-x: clip;
}

:lang(bn) body {
  line-height: 1.62;
}

:lang(bn) h1,
:lang(bn) h2,
:lang(bn) h3,
:lang(bn) h4,
:lang(bn) h5,
:lang(bn) h6,
:lang(bn) .btn,
:lang(bn) .badge {
  line-height: 1.42;
}

p, h1, h2, h3, h4, h5, h6, td, th, label, span, a {
  overflow-wrap: break-word;
}

/* Upgrade Bootstrap's default muted color for stronger contrast on light cards */
.text-muted {
  color: var(--mt-text-muted) !important;
}

/* --------------------------------------------------------------------------
   2. Skip-to-Content & Keyboard Focus Accessibility
   -------------------------------------------------------------------------- */
.mt-skip-link {
  position: fixed;
  top: -120px;
  left: 16px;
  z-index: 2500;
  background: var(--mt-primary-900);
  color: #ffffff !important;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.65rem 1.15rem;
  border-radius: var(--mt-radius-md);
  border: 2px solid var(--mt-focus-ring-contrast);
  box-shadow: var(--mt-shadow-md);
  text-decoration: none;
  transition: top 0.15s ease;
}

.mt-skip-link:focus,
.mt-skip-link:focus-visible {
  top: 12px;
  outline: 3px solid var(--mt-focus-ring-contrast);
  outline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[role="button"]:focus-visible,
.btn:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible,
.form-check-input:focus-visible {
  outline: 2.5px solid var(--mt-focus-ring) !important;
  outline-offset: 2px !important;
}

.navbar-custom a:focus-visible,
.navbar-custom button:focus-visible,
.left-side-menu a:focus-visible,
.pb-footer a:focus-visible {
  outline: 2.5px solid var(--mt-focus-ring-contrast) !important;
  outline-offset: 2px !important;
}

/* --------------------------------------------------------------------------
   3. Language Switcher (`বাংলা | EN`)
   -------------------------------------------------------------------------- */
.mt-lang-switch {
  display: inline-flex;
  align-items: center;
  background: var(--mt-surface-subtle);
  border: 1px solid var(--mt-border-strong);
  border-radius: var(--mt-radius-pill);
  padding: 2px;
  gap: 2px;
}

.mt-lang-switch__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 2px 10px;
  border-radius: var(--mt-radius-pill);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--mt-text-muted);
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.mt-lang-switch__item:hover {
  color: var(--mt-text-strong);
}

.mt-lang-switch__item.is-active {
  background: var(--mt-primary-900);
  color: #ffffff;
  box-shadow: var(--mt-shadow-xs);
}

.mt-lang-switch--dark {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

.mt-lang-switch--dark .mt-lang-switch__item {
  color: #cbd5e1;
}

.mt-lang-switch--dark .mt-lang-switch__item:hover {
  color: #ffffff;
}

.mt-lang-switch--dark .mt-lang-switch__item.is-active {
  background: var(--mt-primary-600);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   4. Honest Temporary Logo Placeholder Marker & Legal Copy Review Banner
   -------------------------------------------------------------------------- */
.mt-brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.mt-placeholder-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--mt-radius-pill);
  font-size: 10.5px;
  font-weight: 700;
  background: var(--mt-gift-100);
  color: var(--mt-gift-900);
  border: 1px dashed var(--mt-gift-700);
  letter-spacing: 0.02em;
}

.mt-copy-review-banner {
  background: var(--mt-gift-50);
  border: 1px solid #f59e0b;
  border-left: 5px solid var(--mt-gift-700);
  border-radius: var(--mt-radius-md);
  padding: 0.9rem 1.1rem;
  color: var(--mt-text-body);
}

.mt-copy-review-banner__badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--mt-gift-100);
  color: var(--mt-gift-900);
  padding: 2px 8px;
  border-radius: var(--mt-radius-pill);
  margin-bottom: 4px;
}

/* --------------------------------------------------------------------------
   5. Buttons, Forms, Validation, Cards, Badges & Empty/Alert States
   -------------------------------------------------------------------------- */
.mt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 40px;
  padding: 0.5rem 1.1rem;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--mt-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.14s ease, background-color 0.14s ease, border-color 0.14s ease;
}

.mt-btn-primary {
  background: var(--mt-primary-900);
  color: #ffffff;
}
.mt-btn-primary:hover {
  background: var(--mt-primary-800);
  color: #ffffff;
}

.mt-btn-gift {
  background: var(--mt-gift-500);
  color: #111827;
}
.mt-btn-gift:hover {
  background: #eab308;
  color: #111827;
}

.mt-btn-outline {
  background: var(--mt-surface);
  border-color: var(--mt-border-strong);
  color: var(--mt-text-strong);
}
.mt-btn-outline:hover {
  background: var(--mt-surface-subtle);
  border-color: var(--mt-primary-700);
  color: var(--mt-primary-900);
}

.mt-btn[aria-busy="true"],
.btn[aria-busy="true"] {
  opacity: 0.78;
  pointer-events: none;
}

.mt-field-error,
.form-control[aria-invalid="true"],
.form-select[aria-invalid="true"] {
  border-color: #dc2626 !important;
  background-color: #fef2f2;
}

.mt-error-text {
  color: var(--mt-danger-fg);
  font-size: 0.8rem;
  font-weight: 600;
  margin-top: 0.25rem;
}

.mt-card {
  background: var(--mt-surface);
  border: 1px solid var(--mt-border);
  border-radius: var(--mt-radius-lg);
  box-shadow: var(--mt-shadow-xs);
}

.mt-empty-state {
  background: var(--mt-surface);
  border: 1px dashed var(--mt-border-strong);
  border-radius: var(--mt-radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
}

.mt-empty-state__icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--mt-primary-50);
  color: var(--mt-primary-800);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
}

.mt-alert-banner {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: var(--mt-radius-md);
  border: 1px solid transparent;
  font-size: 0.9rem;
}
.mt-alert-banner--success { background: var(--mt-success-bg); color: var(--mt-success-fg); border-color: #86efac; }
.mt-alert-banner--error   { background: var(--mt-danger-bg);  color: var(--mt-danger-fg);  border-color: #fca5a5; }
.mt-alert-banner--warning { background: var(--mt-warning-bg); color: var(--mt-warning-fg); border-color: #fcd34d; }
.mt-alert-banner--info    { background: var(--mt-info-bg);    color: var(--mt-info-fg);    border-color: #7dd3fc; }

.mt-filter-bar {
  background: var(--mt-surface);
  border: 1px solid var(--mt-border);
  border-radius: var(--mt-radius-lg);
  padding: 0.9rem 1.15rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

/* Loading Skeleton Utility */
@keyframes mtShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.mt-skeleton {
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: mtShimmer 1.4s infinite linear;
  border-radius: var(--mt-radius-sm);
}

/* --------------------------------------------------------------------------
   6. Storefront Hero, Trust Cards & Mobile Navigation Enhancements
   -------------------------------------------------------------------------- */
.mt-hero-banner {
  background: linear-gradient(125deg, #072618 0%, #0d3b26 55%, #14532d 100%);
  border-radius: var(--mt-radius-lg);
  color: #ffffff;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.mt-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid rgba(252, 211, 77, 0.45);
  color: #fef08a;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--mt-radius-pill);
}

.mt-trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

.mt-trust-card {
  background: var(--mt-surface);
  border: 1px solid var(--mt-border);
  border-radius: var(--mt-radius-md);
  padding: 0.9rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--mt-shadow-xs);
}

.mt-trust-card__icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 10px;
  background: var(--mt-primary-50);
  color: var(--mt-primary-800);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}

/* --------------------------------------------------------------------------
   7. Admin / Vendor / Reseller Responsive Dark Sidebar & Backdrop
   -------------------------------------------------------------------------- */
.mt-sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

body.sidebar-mobile-open .mt-sidebar-backdrop {
  opacity: 1;
  visibility: visible;
}

.mt-quick-action-tile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 0.95rem;
  border-radius: var(--mt-radius-md);
  background: var(--mt-surface);
  border: 1px solid var(--mt-border);
  color: var(--mt-text-strong);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.mt-quick-action-tile:hover {
  border-color: var(--mt-primary-700);
  color: var(--mt-primary-900);
  box-shadow: var(--mt-shadow-sm);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   8. Responsive Breakpoints (Mobile 360px+, Tablet 768px+, Desktop 992px+)
   -------------------------------------------------------------------------- */
@media (max-width: 991.98px) {
  .mt-trust-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 575.98px) {
  .mt-trust-strip {
    grid-template-columns: 1fr;
  }
  .mt-filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .pb-card-body {
    padding: 9px 10px 11px;
  }
  .pb-card-title {
    font-size: 13px;
  }
  .pb-btn-order {
    font-size: 12.5px;
    padding: 7px 8px;
  }
}

/* --------------------------------------------------------------------------
   9. Cross-portal small-screen hardening (320px–991px)
   -------------------------------------------------------------------------- */
html,
body {
  max-width: 100%;
}

img,
svg,
video,
canvas {
  max-width: 100%;
}

main,
.content-page,
.content-page > .content,
.container,
.container-fluid,
.row > * {
  min-width: 0;
}

input,
select,
textarea,
.form-control,
.form-select,
.input-group,
.input-group > * {
  min-width: 0;
  max-width: 100%;
}

.table-responsive,
.tbl-card-body {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

.table-responsive:focus-visible,
.tbl-card-body:focus-visible {
  outline: 2px solid var(--mt-focus-ring);
  outline-offset: 2px;
}

pre,
code,
.font-monospace {
  overflow-wrap: anywhere;
}

@media (max-width: 991.98px) {
  .content-page .card,
  .content-page .card-body,
  .content-page .chart-box,
  .content-page .tbl-card {
    min-width: 0;
  }

  .content-page .table-responsive table,
  .content-page .tbl-card-body table {
    white-space: nowrap;
  }

  .navbar-custom .container-fluid {
    display: flex;
    align-items: center;
    width: 100%;
  }

  .navbar-custom .logo-box,
  .navbar-custom .topnav-menu,
  .navbar-custom .topnav-menu-left {
    float: none !important;
  }

  .navbar-custom .admin-top-search {
    display: none !important;
  }

  .navbar-custom .logo-box {
    order: 1;
    flex: 0 1 auto;
    min-width: 0;
    padding-inline: 8px;
  }

  .navbar-custom .topnav-menu-left {
    order: 2;
    flex: 0 0 auto;
    padding-left: 0;
  }

  .navbar-custom .topnav-menu.float-end {
    order: 3;
    flex: 0 1 auto;
    justify-content: flex-end;
    margin-left: auto;
    min-width: 0;
  }

  .navbar-custom .clearfix {
    display: none;
  }

  .navbar-custom .topnav-menu .nav-link,
  .navbar-custom .button-menu-mobile {
    padding-inline: 9px;
  }
}

@media (max-width: 767.98px) {
  .navbar-custom .logo-box img {
    width: 120px;
    height: auto;
    max-height: 32px;
    object-fit: contain;
  }

  .navbar-custom .pro-user-name,
  .navbar-custom .right-bar-toggle,
  .navbar-custom .topnav-menu-left > li > a[href="/"] > span {
    display: none !important;
  }

  .navbar-custom .topnav-menu-left > li > a[href="/"] {
    width: 38px;
    justify-content: center;
  }

  .pb-header .mt-brand-lockup img {
    width: auto;
    max-width: 112px;
    max-height: 38px;
    object-fit: contain;
  }

  .pb-header .container > .d-flex {
    width: 100%;
  }

  .pb-search-box {
    flex-basis: 100%;
    max-width: none;
  }

  .pb-search-box input {
    min-height: 42px;
  }

  .pb-search-box button {
    min-width: 42px;
  }

  .pb-cat-nav .container {
    width: max-content;
    max-width: none;
    margin-inline: 0;
  }

  .hero-slide {
    min-height: 220px;
  }

  .hero-slide img {
    height: 240px;
  }

  .hero-caption {
    padding: 16px 18px;
  }

  .checkout-order-summary {
    position: static !important;
    top: auto !important;
  }

  .modal-dialog {
    margin: 0.5rem auto;
    max-width: calc(100% - 1rem);
  }

  .modal-content,
  .swal2-popup {
    max-width: 100%;
  }
}

@media (max-width: 575.98px) {
  .navbar-custom .logo-box {
    padding-inline: 4px;
  }

  .navbar-custom .logo-box img {
    width: 82px;
    height: auto;
    max-height: 28px;
    object-fit: contain;
  }

  .navbar-custom .topnav-menu .nav-link,
  .navbar-custom .button-menu-mobile {
    padding-inline: 5px;
  }

  .navbar-custom .button-menu-mobile {
    width: 36px;
    justify-content: center;
  }

  .navbar-custom .topnav-menu-left > li > a[href="/"] > span {
    display: none !important;
  }

  .navbar-custom .topnav-menu-left > li > a[href="/"] {
    width: 34px;
    justify-content: center;
  }

  .navbar-custom .pro-user-name,
  .navbar-custom .right-bar-toggle {
    display: none !important;
  }

  .navbar-custom .nav-user {
    padding-inline: 5px;
  }

  .mt-lang-switch__item {
    min-height: 32px;
    padding-inline: 7px;
  }

  .pb-header .mt-brand-lockup img {
    max-width: 96px;
    max-height: 34px;
  }

  .pb-header .container {
    padding-inline: 10px;
  }

  .pb-header .btn {
    min-height: 38px;
  }

  .container.py-4,
  main.container.py-5 {
    padding-inline: 12px;
  }

  .card-body,
  .content-page .card-body {
    padding: 1rem;
  }

  .pb-card-body {
    padding: 9px 8px 10px;
  }

  .pb-card-title {
    font-size: 13px;
    min-height: 2.7em;
  }

  .pb-card .btn-add-cart-card,
  .pb-card .btn-order-now {
    min-height: 40px;
    padding: 7px 6px;
    line-height: 1.25;
  }

  .mt-filter-bar > form {
    width: 100%;
  }

  .mt-filter-bar > form input[type="search"],
  .mt-filter-bar > form select {
    flex: 1 1 100%;
    width: 100% !important;
    min-width: 0 !important;
  }

  .mt-filter-bar > form button {
    min-height: 40px;
  }

  .stat-grid {
    gap: 8px;
  }

  .sc {
    padding: 12px;
    gap: 8px;
  }

  .sc-val {
    font-size: clamp(16px, 5vw, 22px);
    overflow-wrap: anywhere;
  }

  .dropdown-menu,
  .dropdown-lg,
  .profile-dropdown {
    max-width: calc(100vw - 16px);
  }

  .vo-toast {
    left: 8px;
    right: 72px;
    bottom: 12px;
    max-width: none;
  }

  .ls-fab {
    right: 12px;
    bottom: 12px;
    min-width: 44px;
    min-height: 44px;
    padding: 10px 12px;
  }

  .ls-box {
    left: 8px;
    right: 8px;
    bottom: 68px;
    width: auto;
    max-width: none;
    height: min(450px, calc(100dvh - 90px));
  }
}

@media (max-width: 359.98px) {
  .mt-lang-switch__item {
    font-size: 11.5px;
    padding-inline: 5px;
  }

  .pb-card-body {
    padding-inline: 6px;
  }

  .pb-price-new {
    font-size: 16px;
  }

  .content-page .content > .d-flex,
  .content-page .content > .row {
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Customer storefront semantic aliases (shared with the storefront refresh). */
:root {
  --mt-store-emerald: #16a34a;
  --mt-store-emerald-deep: #15803d;
  --mt-store-organic-surface: #f0fdf4;
  --mt-store-sale: #e85d04;
  --mt-store-sale-soft: #fff7ed;
  --mt-store-focus-ring: #f59e0b;
}