/* ==========================================================================
   SMSM Theme — design system
   Bootstrap 5.2.3 is loaded ONLY for: grid, utilities, modal, collapse, offcanvas.
   Everything visual (color, type, buttons, forms, cards, tables, badges,
   alerts) is defined/overridden here.
   ========================================================================== */

:root {
  /* ---- Color ---- */
  --color-primary: #0F6B5C;
  --color-primary-dark: #0B5347;
  --color-primary-light: #E6F2EF;
  --color-accent: #E8A33D;
  --color-accent-dark: #C9841F;
  --color-accent-light: #FBEBD1;

  --color-success: #2F9E5B;
  --color-success-light: #E5F5EB;
  --color-danger: #D64545;
  --color-danger-light: #FBE9E9;
  --color-warning: #E8A33D;
  --color-warning-light: #FBEBD1;
  --color-info: #2E86AB;
  --color-info-light: #E6F1F6;

  --color-bg: #FAFAF8;
  --color-surface: #FFFFFF;
  --color-surface-sunken: #F2F3F1;
  --color-text: #1C2320;
  --color-text-muted: #6B7570;
  --color-text-faint: #9AA39E;
  --color-border: #E4E7E5;
  --color-border-strong: #CBD1CE;

  /* ---- Spacing (8px system) ---- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;

  /* ---- Radius ---- */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  /* ---- Shadow ---- */
  --shadow-sm: 0 1px 2px rgba(28, 35, 32, 0.06), 0 1px 1px rgba(28, 35, 32, 0.04);
  --shadow-md: 0 4px 16px rgba(28, 35, 32, 0.08);
  --shadow-lg: 0 12px 32px rgba(28, 35, 32, 0.14);
  --shadow-focus: 0 0 0 3px rgba(15, 107, 92, 0.25);

  /* ---- Type ---- */
  --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* ---- Motion ---- */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 220ms cubic-bezier(0.4, 0, 0.2, 1);

  /* ---- Layout ---- */
  --topbar-height: 60px;
  --bottomnav-height: 64px;
  --cartbar-height: 72px;
  --touch-target: 44px;
  --container-max: 1200px;
}

@media (prefers-color-scheme: dark) {
  /* Reserved for future dark mode - intentionally not activated yet
     so merchants get a predictable look out of the box. */
}

/* ==========================================================================
   Reset & base
   ========================================================================== */

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 { font-size: 26px; margin-bottom: var(--space-3); }
h2 { font-size: 20px; margin-bottom: var(--space-3); }
h3 { font-size: 16px; margin-bottom: var(--space-2); }

p { margin-bottom: var(--space-3); color: var(--color-text-muted); }

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-dark); }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

::selection { background: var(--color-primary-light); color: var(--color-primary-dark); }

.container-app {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* ==========================================================================
   Top app bar
   ========================================================================== */

.app-topbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  height: var(--topbar-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-3);
  backdrop-filter: saturate(180%) blur(8px);
}

.app-topbar .brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.app-topbar .brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

.topbar-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.icon-btn {
  position: relative;
  width: var(--touch-target);
  height: var(--touch-target);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--color-surface-sunken);
  color: var(--color-text);
  border: none;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.icon-btn:hover { background: var(--color-primary-light); color: var(--color-primary-dark); }
.icon-btn:active { transform: scale(0.94); }

.icon-btn .count-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* ==========================================================================
   Bottom navigation (mobile app tab bar)
   ========================================================================== */

.app-bottomnav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1030;
  height: var(--bottomnav-height);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  display: flex;
  padding-bottom: env(safe-area-inset-bottom);
}

.app-bottomnav .nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--color-text-faint);
  font-size: 11px;
  font-weight: 500;
  min-height: var(--touch-target);
  position: relative;
  transition: color var(--transition-fast);
}

.app-bottomnav .nav-item.active { color: var(--color-primary); }

.app-bottomnav .nav-item.active::before {
  content: "";
  position: absolute;
  top: 4px;
  width: 24px;
  height: 3px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

.app-bottomnav .nav-icon { font-size: 20px; line-height: 1; }

@media (min-width: 768px) {
  .app-bottomnav { display: none; }
}

/* ==========================================================================
   Sticky cart bar (signature element - Swiggy/Zomato style)
   ========================================================================== */

.cart-bar {
  position: fixed;
  left: var(--space-3);
  right: var(--space-3);
  bottom: calc(var(--bottomnav-height) + var(--space-2));
  z-index: 1025;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  transform: translateY(120%);
  opacity: 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.cart-bar.visible { transform: translateY(0); opacity: 1; }

.cart-bar .cart-bar-info { font-size: 13px; }
.cart-bar .cart-bar-info strong { font-size: 15px; display: block; }

.cart-bar .btn { padding: 10px 20px; }

@media (min-width: 768px) {
  .cart-bar { bottom: var(--space-4); max-width: 420px; left: auto; right: var(--space-4); }
}

/* ==========================================================================
   Buttons (override Bootstrap's .btn visuals; keep Bootstrap's a11y/behavior)
   ========================================================================== */

.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius-md) !important;
  padding: 12px 20px;
  min-height: var(--touch-target);
  border: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}
.btn:active { transform: scale(0.97); }

.btn-primary, .btn.btn-primary {
  background: var(--color-primary) !important;
  color: #fff !important;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover, .btn.btn-primary:hover { background: var(--color-primary-dark) !important; box-shadow: var(--shadow-md); }

.btn-accent {
  background: var(--color-accent) !important;
  color: #fff !important;
  box-shadow: var(--shadow-sm);
}
.btn-accent:hover { background: var(--color-accent-dark) !important; }

.btn-outline-primary, .btn.btn-outline-primary {
  background: transparent !important;
  color: var(--color-primary) !important;
  border: 1.5px solid var(--color-primary) !important;
}
.btn-outline-primary:hover { background: var(--color-primary-light) !important; }

.btn-secondary, .btn.btn-secondary {
  background: var(--color-surface-sunken) !important;
  color: var(--color-text) !important;
}
.btn-secondary:hover { background: var(--color-border) !important; }

.btn-danger, .btn.btn-danger {
  background: var(--color-danger) !important;
  color: #fff !important;
}

.btn-sm { padding: 8px 14px; font-size: 13px; min-height: 36px; }
.btn-block { width: 100%; }

.fab {
  position: fixed;
  right: var(--space-4);
  bottom: calc(var(--bottomnav-height) + var(--space-4));
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  z-index: 1020;
  transition: transform var(--transition-fast);
}
.fab:active { transform: scale(0.92); }

@media (min-width: 768px) {
  .fab { bottom: var(--space-4); }
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
  display: block;
}

.form-control, .form-select,
input[type="text"], input[type="email"], input[type="password"], select {
  font-family: var(--font-body);
  font-size: 15px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm) !important;
  padding: 12px 14px;
  min-height: var(--touch-target);
  background: var(--color-surface);
  color: var(--color-text);
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus, .form-select:focus,
input:focus, select:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
  outline: none;
}

.form-field { margin-bottom: var(--space-3); }

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card-body { padding: var(--space-4); }

.surface-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

/* Product card */
.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.product-card .product-img-wrap {
  aspect-ratio: 1 / 1;
  background: var(--color-surface-sunken);
  overflow: hidden;
}
.product-card .product-img-wrap img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}

.product-card .product-body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.product-card .product-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  margin: 0;
  line-height: 1.3;
}

/* ==========================================================================
   Badges
   ========================================================================== */

.badge {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 11px;
  padding: 5px 10px;
  border-radius: var(--radius-pill) !important;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-danger  { background: var(--color-danger-light);  color: var(--color-danger); }
.badge-warning { background: var(--color-warning-light); color: var(--color-accent-dark); }
.badge-info    { background: var(--color-info-light);    color: var(--color-info); }
.badge-neutral { background: var(--color-surface-sunken); color: var(--color-text-muted); }

/* Order status → badge color mapping, used via data-status attr */
[data-status="UNPAID"]    { background: var(--color-warning-light); color: var(--color-accent-dark); }
[data-status="CONFIRMED"] { background: var(--color-info-light);    color: var(--color-info); }
[data-status="SHIPPED"]   { background: var(--color-info-light);    color: var(--color-info); }
[data-status="DELIVERED"] { background: var(--color-success-light); color: var(--color-success); }
[data-status="CANCELLED"] { background: var(--color-danger-light);  color: var(--color-danger); }

/* ==========================================================================
   Alerts
   ========================================================================== */

.alert {
  border: none !important;
  border-radius: var(--radius-md) !important;
  padding: var(--space-3) var(--space-4);
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}
.alert-success { background: var(--color-success-light); color: var(--color-success); }
.alert-danger  { background: var(--color-danger-light);  color: var(--color-danger); }
.alert-warning { background: var(--color-warning-light); color: var(--color-accent-dark); }
.alert-info    { background: var(--color-info-light);    color: var(--color-info); }

/* ==========================================================================
   Tables → responsive cards on mobile
   Add data-label="Column name" to each <td> when generating table rows in JS.
   ========================================================================== */

.table-app {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table-app th {
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  background: var(--color-surface-sunken);
  padding: var(--space-3);
}

.table-app td {
  padding: var(--space-3);
  border-top: 1px solid var(--color-border);
  font-size: 14px;
  vertical-align: middle;
}

@media (max-width: 767px) {
  .table-app thead { display: none; }
  .table-app, .table-app tbody, .table-app tr, .table-app td { display: block; width: 100%; }
  .table-app tr {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-3);
    background: var(--color-surface);
    padding: var(--space-2) var(--space-3);
  }
  .table-app td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: none;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2) 0;
    text-align: right;
  }
  .table-app td:last-child { border-bottom: none; }
  .table-app td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 12px;
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.02em;
  }
}

/* ==========================================================================
   Skeleton loaders
   ========================================================================== */

.skeleton {
  background: linear-gradient(90deg, var(--color-surface-sunken) 25%, var(--color-border) 37%, var(--color-surface-sunken) 63%);
  background-size: 400% 100%;
  animation: skeleton-loading 1.4s ease infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

.skeleton-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.skeleton-card .skeleton-img { aspect-ratio: 1/1; }
.skeleton-card .skeleton-line { height: 14px; margin: var(--space-2) var(--space-3); }

/* ==========================================================================
   Empty states
   ========================================================================== */

.empty-state {
  text-align: center;
  padding: var(--space-6) var(--space-3);
  color: var(--color-text-muted);
}
.empty-state .empty-icon { font-size: 40px; margin-bottom: var(--space-3); }

/* ==========================================================================
   Utility spacing (8px system, thin layer on top of Bootstrap's utilities)
   ========================================================================== */

.section { padding: var(--space-5) 0; }
.stack-sm > * + * { margin-top: var(--space-2); }
.stack-md > * + * { margin-top: var(--space-3); }
.stack-lg > * + * { margin-top: var(--space-4); }

/* App main content area - clears fixed top/bottom bars */
.app-main {
  min-height: calc(100vh - var(--topbar-height));
  padding-bottom: calc(var(--bottomnav-height) + var(--space-4));
}

@media (min-width: 768px) {
  .app-main { padding-bottom: var(--space-5); }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}