/* =====================================================================
   Gour Dairy — Material 3 (Material You) theme
   Colour roles generated with Google's material-color-utilities (SchemeTonalSpot, seed #2E6BE6).
   Layered on Bootstrap 5 so every existing screen picks it up.
   ===================================================================== */

@font-face { font-family: 'Roboto'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/roboto-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Roboto'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/roboto-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'Roboto'; font-style: normal; font-weight: 700; font-display: swap; src: url('../fonts/roboto-latin-700-normal.woff2') format('woff2'); }

:root {
  /* ---- M3 colour roles (light) ---- */
  --md-primary: #495d92;            --md-on-primary: #ffffff;
  --md-primary-container: #dae2ff;  --md-on-primary-container: #304578;
  --md-secondary: #585e71;          --md-on-secondary: #ffffff;
  --md-secondary-container: #dce2f9;--md-on-secondary-container: #404659;
  --md-tertiary: #735471;           --md-on-tertiary: #ffffff;
  --md-tertiary-container: #fed7f9; --md-on-tertiary-container: #5a3d59;
  --md-error: #ba1a1a;              --md-on-error: #ffffff;
  --md-error-container: #ffdad6;    --md-on-error-container: #93000a;
  --md-success: #006d43;            --md-on-success: #ffffff;
  --md-success-container: #92f7bc;  --md-on-success-container: #002111;
  --md-warning: #974806;            --md-on-warning: #ffffff;
  --md-warning-container: #ffdbc8;  --md-on-warning-container: #321300;
  --md-surface: #faf8ff;            --md-on-surface: #1a1b21;  --md-on-surface-variant: #45464f;
  --md-surface-container-lowest: #ffffff; --md-surface-container-low: #f4f3fa; --md-surface-container: #eeedf4;
  --md-surface-container-high: #e8e7ef;   --md-surface-container-highest: #e3e2e9;
  --md-outline: #757780;            --md-outline-variant: #c5c6d0;
  --md-inverse-surface: #2f3036;    --md-inverse-on-surface: #f1f0f7; --md-inverse-primary: #b2c5ff;

  /* ---- shape, elevation, motion ---- */
  --md-shape-xs: 4px; --md-shape-sm: 8px; --md-shape-md: 12px; --md-shape-lg: 16px; --md-shape-xl: 28px; --md-shape-full: 999px;
  --md-elev-1: 0 1px 2px rgba(0,0,0,.3), 0 1px 3px 1px rgba(0,0,0,.15);
  --md-elev-2: 0 1px 2px rgba(0,0,0,.3), 0 2px 6px 2px rgba(0,0,0,.15);
  --md-elev-3: 0 1px 3px rgba(0,0,0,.3), 0 4px 8px 3px rgba(0,0,0,.15);
  --md-ease: cubic-bezier(.2, 0, 0, 1);
  --md-state-hover: 8%; --md-state-press: 12%;

  --drawer-w: 288px;

  /* ---- Bootstrap bridged to M3 ---- */
  --bs-font-sans-serif: 'Roboto', system-ui, -apple-system, 'Segoe UI', 'Noto Sans', 'Noto Sans Bengali', sans-serif;
  --bs-body-font-family: var(--bs-font-sans-serif);
  --bs-body-font-size: .875rem; --bs-body-line-height: 1.43;
  --bs-body-bg: var(--md-surface); --bs-body-color: var(--md-on-surface);
  --bs-emphasis-color: var(--md-on-surface); --bs-secondary-color: var(--md-on-surface-variant);
  --bs-primary: #495d92; --bs-primary-rgb: 73, 93, 146;
  --bs-success: #006d43; --bs-success-rgb: 0, 109, 67;
  --bs-danger: #ba1a1a;  --bs-danger-rgb: 186, 26, 26;
  --bs-warning: #974806; --bs-warning-rgb: 151, 72, 6;
  --bs-info: #585e71;    --bs-info-rgb: 88, 94, 113;
  --bs-link-color: var(--md-primary); --bs-link-color-rgb: 73, 93, 146; --bs-link-hover-color: var(--md-on-primary-container);
  --bs-border-color: var(--md-outline-variant); --bs-border-color-translucent: var(--md-outline-variant);
  --bs-border-radius: var(--md-shape-sm); --bs-border-radius-sm: var(--md-shape-xs); --bs-border-radius-lg: var(--md-shape-lg);
  --bs-focus-ring-color: rgba(73, 93, 146, .35);
  --bs-tertiary-bg: var(--md-surface-container-low); --bs-secondary-bg: var(--md-surface-container);
}

html { -webkit-text-size-adjust: 100%; }
body { background: var(--md-surface); color: var(--md-on-surface); font-family: var(--bs-body-font-family); letter-spacing: .015em; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5, h6 { font-weight: 400; letter-spacing: 0; color: var(--md-on-surface); }
h4 { font-size: 1.5rem; line-height: 2rem; }              /* headline-small */
h5 { font-size: 1.375rem; line-height: 1.75rem; }         /* title-large */
h6 { font-size: 1rem; line-height: 1.5rem; font-weight: 500; }
a { color: var(--md-primary); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--md-on-primary-container); }
.text-muted, .text-body-secondary { color: var(--md-on-surface-variant) !important; }
.text-primary { color: var(--md-primary) !important; }
.text-success { color: var(--md-success) !important; }
.text-danger { color: var(--md-error) !important; }
.text-warning { color: var(--md-warning) !important; }
.small, small { font-size: .8125rem; }
:focus-visible { outline: 2px solid var(--md-primary); outline-offset: 2px; }
::selection { background: var(--md-primary-container); color: var(--md-on-primary-container); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } }

/* =====================================================================
   NAVIGATION DRAWER (desktop) / modal drawer (mobile)
   ===================================================================== */
.sidebar { width: var(--drawer-w); background: var(--md-surface-container-low) !important; color: var(--md-on-surface-variant); border: 0 !important; }
@media (min-width: 992px) {
  .sidebar { position: fixed; inset: 0 auto 0 0; overflow-y: auto; display: flex; flex-direction: column; z-index: 1030; }
  .main { margin-left: var(--drawer-w); }
}
@media (max-width: 991.98px) {
  .sidebar.offcanvas-lg { --bs-offcanvas-width: 300px; background: var(--md-surface-container-low) !important; border-radius: 0 var(--md-shape-lg) var(--md-shape-lg) 0; box-shadow: var(--md-elev-1); }
  .content { padding-bottom: 104px !important; }
}
.sidebar-brand { padding: 20px 16px 12px 24px; border: 0; }
.sidebar-brand .brand-name { font-size: 1.375rem; line-height: 1.75rem; font-weight: 400; color: var(--md-on-surface); }
.brand-mark { width: 48px; height: 48px; border-radius: var(--md-shape-lg); background: var(--md-primary-container); color: var(--md-on-primary-container); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.brand-mark.sm { width: 40px; height: 40px; border-radius: var(--md-shape-md); font-size: 1.25rem; }
.sidebar-nav { padding: 4px 12px 12px; flex: 1; overflow-y: auto; }
.sidebar .nav-link {
  display: flex; align-items: center; gap: 12px; min-height: 48px; padding: 0 16px; margin: 1px 0;
  border-radius: var(--md-shape-full); color: var(--md-on-surface-variant); font-size: .875rem; font-weight: 500; letter-spacing: .1px;
  text-decoration: none; transition: background-color .2s var(--md-ease);
}
.sidebar .nav-link i { font-size: 1.15rem; width: 24px; text-align: center; color: var(--md-on-surface-variant); }
.sidebar .nav-link:hover { background: color-mix(in srgb, var(--md-on-surface) var(--md-state-hover), transparent); color: var(--md-on-surface); }
.sidebar .nav-link.active { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.sidebar .nav-link.active i { color: var(--md-on-secondary-container); }
.sidebar .nav-link.sub { min-height: 40px; padding-left: 52px; font-weight: 400; }
.sidebar .nav-link.sub.active { font-weight: 500; }
.sidebar .nav-parent .chev { font-size: 1rem; width: auto; transition: transform .25s var(--md-ease); }
.sidebar .nav-parent:not(.collapsed) { color: var(--md-on-surface); }
.sidebar .nav-parent:not(.collapsed) .chev { transform: rotate(180deg); }
.sidebar .nav-divider { height: 1px; background: var(--md-outline-variant); margin: 8px 16px; }
.sidebar-foot { padding: 12px 28px 16px; color: var(--md-on-surface-variant); font-size: .75rem; }
.offcanvas-backdrop.show { opacity: .32; }

/* =====================================================================
   TOP APP BAR (small)
   ===================================================================== */
.topbar { position: sticky; top: 0; z-index: 1020; background: var(--md-surface); min-height: 64px; padding: 8px 16px 8px 8px; transition: background-color .2s var(--md-ease), box-shadow .2s var(--md-ease); }
@media (min-width: 992px) { .topbar { padding-left: 24px; } }
.topbar.scrolled { background: var(--md-surface-container); }
.page-title { font-size: 1.375rem; line-height: 1.75rem; font-weight: 400; color: var(--md-on-surface); }
.topbar .btn-light, .icon-btn { width: 40px; height: 40px; min-height: 40px; padding: 0; border-radius: 50%; background: transparent; border: 0; color: var(--md-on-surface-variant); display: inline-flex; align-items: center; justify-content: center; }
.topbar .btn-light:hover, .icon-btn:hover { background: color-mix(in srgb, var(--md-on-surface-variant) var(--md-state-hover), transparent); color: var(--md-on-surface); }
.topbar .dropdown .btn-light { width: auto; padding: 0 12px 0 8px; border-radius: var(--md-shape-full); gap: 6px; }
.topbar .badge { font-size: .6875rem; min-width: 16px; padding: 2px 4px; border-radius: 8px; background: var(--md-error) !important; color: var(--md-on-error) !important; }
.topsearch { width: 360px; }
.topsearch .input-group { background: var(--md-surface-container-high); border-radius: var(--md-shape-full); height: 44px; align-items: center; padding: 0 6px 0 14px; transition: background-color .2s; }
.topsearch .input-group:focus-within { background: var(--md-surface-container-highest); }
.topsearch .input-group-text, .topsearch .form-control { background: transparent !important; border: 0 !important; box-shadow: none !important; min-height: 40px; }
.topsearch .input-group-text { padding: 0 8px 0 0; color: var(--md-on-surface-variant); }
.content { padding: 8px 16px 24px; max-width: 1480px; }
@media (min-width: 768px) { .content { padding: 8px 24px 32px; } }

/* =====================================================================
   NAVIGATION BAR (mobile)
   ===================================================================== */
.bottom-nav { position: fixed; inset: auto 0 0 0; z-index: 1025; display: flex; background: var(--md-surface-container); height: calc(80px + env(safe-area-inset-bottom)); padding: 12px 0 calc(16px + env(safe-area-inset-bottom)); }
.bottom-nav a { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: .75rem; font-weight: 500; letter-spacing: .5px; color: var(--md-on-surface-variant); text-decoration: none; }
.bottom-nav a i { width: 64px; height: 32px; border-radius: var(--md-shape-full); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; transition: background-color .2s var(--md-ease); }
.bottom-nav a.active { color: var(--md-on-surface); }
.bottom-nav a.active i { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }

/* =====================================================================
   FAB
   ===================================================================== */
.fab { position: fixed; right: 16px; bottom: 16px; z-index: 1024; height: 56px; padding: 0 20px 0 16px; border-radius: var(--md-shape-lg); background: var(--md-primary-container); color: var(--md-on-primary-container);
  display: inline-flex; align-items: center; gap: 12px; font-weight: 500; letter-spacing: .1px; text-decoration: none; box-shadow: var(--md-elev-3); transition: box-shadow .2s var(--md-ease), background-color .2s; }
.fab:hover { color: var(--md-on-primary-container); background: color-mix(in srgb, var(--md-on-primary-container) var(--md-state-hover), var(--md-primary-container)); box-shadow: 0 2px 3px rgba(0,0,0,.3), 0 6px 10px 4px rgba(0,0,0,.15); }
.fab i { font-size: 1.25rem; }
@media (max-width: 991.98px) { .fab { bottom: calc(96px + env(safe-area-inset-bottom)); } }
@media print { .fab { display: none !important; } }

/* =====================================================================
   BUTTONS
   ===================================================================== */
.btn {
  --bs-btn-font-weight: 500; --bs-btn-font-size: .875rem; --bs-btn-padding-x: 24px; --bs-btn-padding-y: 0;
  --bs-btn-border-radius: var(--md-shape-full); --bs-btn-focus-box-shadow: none;
  min-height: 40px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; letter-spacing: .1px;
  transition: background-color .2s var(--md-ease), box-shadow .2s var(--md-ease), color .2s, border-color .2s;
}
.btn i { font-size: 1.1em; }
.btn-sm { --bs-btn-padding-x: 14px; --bs-btn-font-size: .8125rem; min-height: 32px; }
.btn-lg { --bs-btn-padding-x: 28px; --bs-btn-font-size: 1rem; min-height: 52px; }
.btn:disabled, .btn.disabled { opacity: 1; background: color-mix(in srgb, var(--md-on-surface) 12%, transparent) !important; color: color-mix(in srgb, var(--md-on-surface) 38%, transparent) !important; border-color: transparent !important; box-shadow: none !important; }
/* filled */
.btn-primary { --bs-btn-bg: var(--md-primary); --bs-btn-color: var(--md-on-primary); --bs-btn-border-color: var(--md-primary);
  --bs-btn-hover-bg: color-mix(in srgb, var(--md-on-primary) 8%, var(--md-primary)); --bs-btn-hover-color: var(--md-on-primary); --bs-btn-hover-border-color: transparent;
  --bs-btn-active-bg: color-mix(in srgb, var(--md-on-primary) 12%, var(--md-primary)); --bs-btn-active-color: var(--md-on-primary); --bs-btn-active-border-color: transparent; }
.btn-primary:hover { box-shadow: var(--md-elev-1); }
.btn-success { --bs-btn-bg: var(--md-success); --bs-btn-color: var(--md-on-success); --bs-btn-border-color: var(--md-success);
  --bs-btn-hover-bg: color-mix(in srgb, var(--md-on-success) 8%, var(--md-success)); --bs-btn-hover-color: #fff; --bs-btn-hover-border-color: transparent;
  --bs-btn-active-bg: color-mix(in srgb, #fff 12%, var(--md-success)); --bs-btn-active-color: #fff; }
.btn-success:hover { box-shadow: var(--md-elev-1); }
.btn-danger { --bs-btn-bg: var(--md-error); --bs-btn-color: var(--md-on-error); --bs-btn-border-color: var(--md-error); --bs-btn-hover-bg: color-mix(in srgb, #fff 8%, var(--md-error)); --bs-btn-hover-border-color: transparent; }
/* outlined */
.btn-outline-primary, .btn-outline-secondary, .btn-outline-danger, .btn-outline-success {
  --bs-btn-bg: transparent; --bs-btn-border-color: var(--md-outline); --bs-btn-hover-border-color: var(--md-outline); --bs-btn-active-border-color: var(--md-outline); }
.btn-outline-primary { --bs-btn-color: var(--md-primary); --bs-btn-hover-bg: color-mix(in srgb, var(--md-primary) var(--md-state-hover), transparent); --bs-btn-hover-color: var(--md-primary);
  --bs-btn-active-bg: color-mix(in srgb, var(--md-primary) var(--md-state-press), transparent); --bs-btn-active-color: var(--md-primary); }
.btn-outline-secondary { --bs-btn-color: var(--md-on-surface-variant); --bs-btn-hover-bg: color-mix(in srgb, var(--md-on-surface-variant) var(--md-state-hover), transparent); --bs-btn-hover-color: var(--md-on-surface);
  --bs-btn-active-bg: color-mix(in srgb, var(--md-on-surface-variant) var(--md-state-press), transparent); --bs-btn-active-color: var(--md-on-surface); }
.btn-outline-danger { --bs-btn-color: var(--md-error); --bs-btn-hover-bg: color-mix(in srgb, var(--md-error) var(--md-state-hover), transparent); --bs-btn-hover-color: var(--md-error);
  --bs-btn-active-bg: color-mix(in srgb, var(--md-error) var(--md-state-press), transparent); --bs-btn-active-color: var(--md-error); }
.btn-outline-success { --bs-btn-color: var(--md-success); --bs-btn-hover-bg: color-mix(in srgb, var(--md-success) var(--md-state-hover), transparent); --bs-btn-hover-color: var(--md-success);
  --bs-btn-active-bg: color-mix(in srgb, var(--md-success) var(--md-state-press), transparent); --bs-btn-active-color: var(--md-success); }
/* text / tonal */
.btn-light, .btn-link { --bs-btn-bg: transparent; --bs-btn-border-color: transparent; --bs-btn-color: var(--md-primary); --bs-btn-padding-x: 12px;
  --bs-btn-hover-bg: color-mix(in srgb, var(--md-primary) var(--md-state-hover), transparent); --bs-btn-hover-color: var(--md-primary); --bs-btn-hover-border-color: transparent;
  --bs-btn-active-bg: color-mix(in srgb, var(--md-primary) var(--md-state-press), transparent); --bs-btn-active-color: var(--md-primary); --bs-btn-active-border-color: transparent; text-decoration: none; }
.btn-link.p-0 { min-height: 0; padding: 0 !important; }
.btn-tonal, .btn-secondary { --bs-btn-bg: var(--md-secondary-container); --bs-btn-color: var(--md-on-secondary-container); --bs-btn-border-color: transparent;
  --bs-btn-hover-bg: color-mix(in srgb, var(--md-on-secondary-container) 8%, var(--md-secondary-container)); --bs-btn-hover-color: var(--md-on-secondary-container); --bs-btn-hover-border-color: transparent;
  --bs-btn-active-bg: color-mix(in srgb, var(--md-on-secondary-container) 12%, var(--md-secondary-container)); --bs-btn-active-color: var(--md-on-secondary-container); }
.btn-close { border-radius: 50%; width: 1.25rem; height: 1.25rem; opacity: .7; }

/* segmented buttons: radio groups inside .btn-group */
.btn-group { border-radius: var(--md-shape-full); }
.btn-group > .btn { border-radius: 0; --bs-btn-padding-x: 12px; border-color: var(--md-outline) !important; color: var(--md-on-surface); }
.btn-group > .btn:first-of-type, .btn-group > .btn-check:first-child + .btn { border-top-left-radius: var(--md-shape-full); border-bottom-left-radius: var(--md-shape-full); }
.btn-group > .btn:last-child { border-top-right-radius: var(--md-shape-full); border-bottom-right-radius: var(--md-shape-full); }
.btn-group > .btn-check:checked + .btn { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.btn-group > .btn-check:checked + .btn::before { font-family: 'Material Symbols Rounded'; content: "\e5ca"; font-size: 1.1em; }
.btn-group > .btn-check:focus-visible + .btn { outline: 2px solid var(--md-primary); outline-offset: -2px; }
/* filter chips: stand-alone radio buttons (payment method, etc.) */
.d-flex > .btn-check + .btn { --bs-btn-padding-x: 16px; min-height: 32px; border-radius: var(--md-shape-sm); border-color: var(--md-outline); color: var(--md-on-surface-variant); background: transparent; font-weight: 500; }
.d-flex > .btn-check:checked + .btn { background: var(--md-secondary-container); color: var(--md-on-secondary-container); border-color: transparent; }
.d-flex > .btn-check:checked + .btn::before { font-family: 'Material Symbols Rounded'; content: "\e5ca"; margin-right: -2px; }

/* =====================================================================
   CARDS & SURFACES
   ===================================================================== */
.card { --bs-card-bg: var(--md-surface-container-lowest); --bs-card-border-color: var(--md-outline-variant); --bs-card-border-radius: var(--md-shape-lg); --bs-card-inner-border-radius: calc(var(--md-shape-lg) - 1px);
  --bs-card-cap-bg: transparent; --bs-card-cap-padding-y: 14px; --bs-card-cap-padding-x: 16px; box-shadow: none; overflow: hidden; }
.card-header { font-size: 1rem; line-height: 1.5rem; font-weight: 500; color: var(--md-on-surface); border-bottom: 1px solid var(--md-outline-variant); }
.card-footer { background: transparent !important; border-top: 1px solid var(--md-outline-variant); }
details.card > summary { cursor: pointer; list-style: none; }
details.card > summary::-webkit-details-marker { display: none; }
details.card > summary::after { font-family: 'Material Symbols Rounded'; content: "\e5cf"; float: right; font-size: 1.25rem; line-height: 1; transition: transform .2s var(--md-ease); }
details.card[open] > summary::after { transform: rotate(180deg); }

/* KPI tiles: quiet tonal surfaces; the first tile of a group is the "hero" on primary-container */
.stat { position: relative; height: 100%; padding: 16px; border-radius: var(--md-shape-lg); background: var(--md-surface-container-low); border: 0; transition: background-color .2s var(--md-ease); }
.stat:has(.stretched-link):hover { background: var(--md-surface-container); }
.stat .lbl { font-size: .8125rem; line-height: 1.25rem; font-weight: 500; letter-spacing: .1px; color: var(--md-on-surface-variant); }
.stat .val { font-size: 1.5rem; line-height: 2rem; font-weight: 400; margin-top: 4px; white-space: nowrap; color: var(--md-on-surface); font-variant-numeric: tabular-nums; }
.stat .sub { font-size: .75rem; line-height: 1rem; color: var(--md-on-surface-variant); margin-top: 2px; }
.stat.hero { background: var(--md-primary-container); }
.stat.hero .lbl, .stat.hero .val, .stat.hero .sub { color: var(--md-on-primary-container); }
.stat.hero:has(.stretched-link):hover { background: color-mix(in srgb, var(--md-on-primary-container) 8%, var(--md-primary-container)); }
.section-title { font-size: .875rem; line-height: 1.25rem; font-weight: 500; letter-spacing: .1px; color: var(--md-on-surface-variant); margin: 28px 0 10px 4px; }
.content > .section-title:first-child { margin-top: 8px; }

/* banners / alerts */
.alert { --bs-alert-border-radius: var(--md-shape-md); --bs-alert-border-color: transparent; --bs-alert-padding-y: 12px; --bs-alert-padding-x: 16px; }
.alert-success { --bs-alert-bg: var(--md-success-container); --bs-alert-color: var(--md-on-success-container); --bs-alert-link-color: var(--md-on-success-container); }
.alert-danger { --bs-alert-bg: var(--md-error-container); --bs-alert-color: var(--md-on-error-container); --bs-alert-link-color: var(--md-on-error-container); }
.alert-warning { --bs-alert-bg: var(--md-warning-container); --bs-alert-color: var(--md-on-warning-container); --bs-alert-link-color: var(--md-on-warning-container); }
.alert-info, .alert-primary { --bs-alert-bg: var(--md-primary-container); --bs-alert-color: var(--md-on-primary-container); --bs-alert-link-color: var(--md-on-primary-container); }
.alert-secondary, .alert-light { --bs-alert-bg: var(--md-surface-container-high); --bs-alert-color: var(--md-on-surface); --bs-alert-border-color: transparent; }
.alert a { font-weight: 500; }
.alert-strip { border-radius: var(--md-shape-md); padding: 12px 16px; margin-bottom: 8px; display: flex; gap: 12px; align-items: flex-start; border: 0; line-height: 1.43; }
.alert-strip i { font-size: 1.1rem; margin-top: 1px; }
.alert-strip.red { background: var(--md-error-container); color: var(--md-on-error-container); }
.alert-strip.orange { background: var(--md-warning-container); color: var(--md-on-warning-container); }
.alert-strip.green { background: var(--md-success-container); color: var(--md-on-success-container); }
.alert-strip.grey { background: var(--md-surface-container-high); color: var(--md-on-surface); }
.alert-strip a { color: inherit; font-weight: 500; }

/* chips (badges) */
.badge { --bs-badge-font-weight: 500; --bs-badge-font-size: .75rem; --bs-badge-padding-x: 8px; --bs-badge-padding-y: 3px; border-radius: var(--md-shape-sm); letter-spacing: .3px; }
.text-bg-success { background: var(--md-success-container) !important; color: var(--md-on-success-container) !important; }
.text-bg-danger { background: var(--md-error-container) !important; color: var(--md-on-error-container) !important; }
.text-bg-warning { background: var(--md-warning-container) !important; color: var(--md-on-warning-container) !important; }
.text-bg-info { background: var(--md-secondary-container) !important; color: var(--md-on-secondary-container) !important; }
.text-bg-primary { background: var(--md-primary-container) !important; color: var(--md-on-primary-container) !important; }
.text-bg-secondary { background: var(--md-surface-container-highest) !important; color: var(--md-on-surface-variant) !important; }
.text-bg-light { background: var(--md-surface-container) !important; color: var(--md-on-surface-variant) !important; }
.bg-danger { background-color: var(--md-error) !important; } .bg-success { background-color: var(--md-success) !important; } .bg-warning { background-color: var(--md-warning) !important; }

/* =====================================================================
   TABLES
   ===================================================================== */
.table { --bs-table-bg: transparent; --bs-table-color: var(--md-on-surface); --bs-table-border-color: var(--md-outline-variant);
  --bs-table-hover-bg: color-mix(in srgb, var(--md-on-surface) 4%, transparent); --bs-table-hover-color: var(--md-on-surface); margin-bottom: 0; }
.table > :not(caption) > * > * { padding: 10px 12px; }
.table-sm > :not(caption) > * > * { padding: 7px 10px; }
.table > :not(caption) > * > *:first-child { padding-left: 16px; }
.table > :not(caption) > * > *:last-child { padding-right: 16px; }
.table thead th { font-size: .8125rem; font-weight: 500; letter-spacing: .1px; color: var(--md-on-surface-variant); background: var(--md-surface-container-low); white-space: nowrap; border-bottom-color: var(--md-outline-variant); }
.table tfoot td, .table tfoot th { font-weight: 500; background: var(--md-surface-container-low); border-bottom: 0; }
.table-light, .table > .table-light > * { --bs-table-bg: var(--md-surface-container-low); --bs-table-color: var(--md-on-surface); }
.table-danger { --bs-table-bg: color-mix(in srgb, var(--md-error-container) 55%, transparent); --bs-table-color: var(--md-on-surface); }
.table-info { --bs-table-bg: var(--md-primary-container); --bs-table-color: var(--md-on-primary-container); }
.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
th.sortable { cursor: pointer; user-select: none; }
th.sortable::after { font-family: 'Material Symbols Rounded'; content: "\e5d7"; font-size: 1rem; vertical-align: -.2em; margin-left: 2px; opacity: .45; }
.table-responsive { border-radius: 0; }

/* =====================================================================
   TEXT FIELDS (outlined), selects, checks, switches
   ===================================================================== */
.form-label { font-size: .8125rem; line-height: 1.25rem; font-weight: 500; color: var(--md-on-surface-variant); margin-bottom: 4px; letter-spacing: .1px; }
.form-control, .form-select { min-height: 44px; border: 1px solid var(--md-outline); border-radius: var(--md-shape-xs); background-color: var(--md-surface-container-lowest); color: var(--md-on-surface); font-size: .9375rem; padding: 9px 14px; transition: border-color .15s, box-shadow .15s; }
.form-select { padding-right: 40px; }
.form-control:hover, .form-select:hover { border-color: var(--md-on-surface); }
.form-control:focus, .form-select:focus { border-color: var(--md-primary); box-shadow: inset 0 0 0 1px var(--md-primary); background-color: var(--md-surface-container-lowest); }
.form-control::placeholder { color: var(--md-on-surface-variant); opacity: .7; }
.form-control[readonly] { background: var(--md-surface-container-low); border-style: dashed; }
.form-control-plaintext { min-height: 44px; display: flex; align-items: center; }
.form-control-sm, .form-select-sm { min-height: 36px; padding-top: 5px; padding-bottom: 5px; font-size: .875rem; }
.form-control-lg, .form-select-lg { min-height: 56px; font-size: 1.0625rem; }
@media (max-width: 767.98px) { .form-control, .form-select { font-size: 16px; min-height: 52px; } .btn { min-height: 44px; } .btn-sm { min-height: 36px; } }
.input-group-text { background: var(--md-surface-container); border-color: var(--md-outline); color: var(--md-on-surface-variant); }
.input-group > .form-control:focus { z-index: 3; }
.form-check-input { width: 18px; height: 18px; margin-top: .15em; border: 2px solid var(--md-on-surface-variant); border-radius: 2px; background-color: transparent; }
.form-check-input[type=radio] { border-radius: 50%; }
.form-check-input:checked { background-color: var(--md-primary); border-color: var(--md-primary); }
.form-check-input:focus { box-shadow: 0 0 0 6px color-mix(in srgb, var(--md-primary) 14%, transparent); border-color: var(--md-primary); }
.form-check-label { color: var(--md-on-surface); }
.form-switch { padding-left: 64px; min-height: 32px; display: flex; align-items: center; }
.form-switch .form-check-input { width: 52px; height: 32px; margin-left: -64px; margin-top: 0; border-radius: 16px; border: 2px solid var(--md-outline); background-color: var(--md-surface-container-highest);
  --bs-form-switch-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='%23757780'/%3e%3c/svg%3e"); background-size: contain; }
.form-switch .form-check-input:checked { background-color: var(--md-primary); border-color: var(--md-primary);
  --bs-form-switch-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23fff'/%3e%3c/svg%3e"); }
.form-switch .form-check-input:focus { --bs-form-switch-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='%23757780'/%3e%3c/svg%3e"); }
.form-switch .form-check-input:checked:focus { --bs-form-switch-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23fff'/%3e%3c/svg%3e"); }

/* =====================================================================
   TABS, PILLS, LISTS, MENUS, DIALOGS, PAGINATION, PROGRESS
   ===================================================================== */
.nav-tabs { --bs-nav-tabs-border-width: 0; border-bottom: 1px solid var(--md-outline-variant); gap: 4px; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tabs .nav-link { position: relative; border: 0; border-radius: 0; background: transparent; color: var(--md-on-surface-variant); font-weight: 500; letter-spacing: .1px; padding: 12px 16px; white-space: nowrap; }
.nav-tabs .nav-link:hover { background: color-mix(in srgb, var(--md-on-surface) var(--md-state-hover), transparent); color: var(--md-on-surface); }
.nav-tabs .nav-link.active { color: var(--md-primary); background: transparent; }
.nav-tabs .nav-link.active::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 0; height: 3px; border-radius: 3px 3px 0 0; background: var(--md-primary); }
.nav-pills { gap: 8px; }
.nav-pills .nav-link { border: 1px solid var(--md-outline); border-radius: var(--md-shape-sm); color: var(--md-on-surface-variant); padding: 5px 16px; font-weight: 500; }
.nav-pills .nav-link.active { background: var(--md-secondary-container); color: var(--md-on-secondary-container); border-color: transparent; }
.list-group { --bs-list-group-bg: transparent; --bs-list-group-border-color: var(--md-outline-variant); --bs-list-group-color: var(--md-on-surface);
  --bs-list-group-action-hover-bg: color-mix(in srgb, var(--md-on-surface) var(--md-state-hover), transparent); --bs-list-group-action-hover-color: var(--md-on-surface);
  --bs-list-group-active-bg: var(--md-secondary-container); --bs-list-group-active-color: var(--md-on-secondary-container); --bs-list-group-active-border-color: var(--md-outline-variant); }
.list-group-item { padding: 12px 16px; }
.dropdown-menu { --bs-dropdown-bg: var(--md-surface-container); --bs-dropdown-border-width: 0; --bs-dropdown-border-radius: var(--md-shape-xs); --bs-dropdown-padding-y: 8px;
  --bs-dropdown-link-color: var(--md-on-surface); --bs-dropdown-link-hover-bg: color-mix(in srgb, var(--md-on-surface) var(--md-state-hover), transparent);
  --bs-dropdown-divider-bg: var(--md-outline-variant); box-shadow: var(--md-elev-2); min-width: 200px; }
.dropdown-item { min-height: 48px; display: flex; align-items: center; padding: 0 16px; }
.dropdown-item i { color: var(--md-on-surface-variant); }
.dropdown-item-text { padding: 8px 16px; }
.modal { --bs-modal-bg: var(--md-surface-container-high); --bs-modal-border-width: 0; --bs-modal-border-radius: var(--md-shape-xl); --bs-modal-padding: 24px; --bs-modal-header-padding: 24px 24px 12px; }
.modal-header, .modal-footer { border: 0; }
.modal-title { font-size: 1.5rem; line-height: 2rem; font-weight: 400; }
.modal-backdrop.show { opacity: .32; }
.pagination { --bs-pagination-border-width: 0; --bs-pagination-bg: transparent; --bs-pagination-color: var(--md-on-surface-variant); --bs-pagination-hover-bg: color-mix(in srgb, var(--md-on-surface) var(--md-state-hover), transparent);
  --bs-pagination-hover-color: var(--md-on-surface); --bs-pagination-active-bg: var(--md-secondary-container); --bs-pagination-active-color: var(--md-on-secondary-container);
  --bs-pagination-disabled-bg: transparent; --bs-pagination-focus-box-shadow: none; gap: 4px; }
.pagination .page-link { border-radius: var(--md-shape-full) !important; min-width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; font-weight: 500; }
.progress { --bs-progress-bg: var(--md-secondary-container); --bs-progress-border-radius: 4px; height: 4px !important; }
.bg-success.progress-bar, .progress-bar.bg-success { background: var(--md-primary) !important; }
.offcanvas { --bs-offcanvas-bg: var(--md-surface-container-low); }
hr { border-color: var(--md-outline-variant); opacity: 1; }

/* =====================================================================
   APP-SPECIFIC COMPONENTS
   ===================================================================== */
.filter-bar { background: var(--md-surface-container-low); border: 0; border-radius: var(--md-shape-lg); padding: 12px 16px 16px; margin-bottom: 16px; }
.filter-bar .form-control, .filter-bar .form-select { background-color: var(--md-surface-container-lowest); }
.empty { text-align: center; color: var(--md-on-surface-variant); padding: 40px 16px; }
.card.empty { background: var(--md-surface-container-low); border: 0; }
.cost-na { color: var(--md-warning); font-size: .8125rem; font-weight: 500; }
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 6px 16px; font-size: .875rem; margin-bottom: 16px; }
.kv dt { color: var(--md-on-surface-variant); font-weight: 400; }
.kv dd { margin: 0; }
.chart-box { position: relative; height: 260px; }
.totals-row { display: flex; justify-content: space-between; gap: 12px; font-size: .875rem; padding: 3px 0; }
.totals-row.big { font-size: 1.375rem; line-height: 1.75rem; font-weight: 400; padding: 6px 0; }

/* quick product buttons (sale screen) — outlined cards */
.qbtns { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; }
.qbtn { border: 1px solid var(--md-outline-variant); background: var(--md-surface-container-lowest); border-radius: var(--md-shape-lg); padding: 12px 14px; text-align: left; transition: background-color .15s, border-color .15s; }
.qbtn:hover { background: var(--md-surface-container-low); border-color: var(--md-outline); }
.qbtn:active { background: var(--md-secondary-container); border-color: transparent; }
.qbtn .n { font-weight: 500; font-size: .9375rem; color: var(--md-on-surface); }
.qbtn .p { font-size: .875rem; color: var(--md-on-surface-variant); }
.qbtn .s { font-size: .75rem; font-weight: 500; }
.line-item { border: 1px solid var(--md-outline-variant); border-radius: var(--md-shape-lg); padding: 12px 14px; margin-bottom: 8px; background: var(--md-surface-container-lowest); }
.stepper { display: flex; align-items: center; }
.stepper .btn { width: 44px; height: 44px; min-height: 44px; padding: 0; font-size: 1.25rem; border-radius: 50%; background: var(--md-secondary-container); color: var(--md-on-secondary-container); border: 0; }
.stepper .btn:hover { background: color-mix(in srgb, var(--md-on-secondary-container) 8%, var(--md-secondary-container)); }
.stepper input { width: 84px; text-align: center; margin: 0 6px; font-weight: 500; font-size: 1.0625rem; }
.sticky-save { position: sticky; bottom: 0; z-index: 10; background: var(--md-surface-container); border-radius: var(--md-shape-lg) var(--md-shape-lg) 0 0; padding: 12px 16px; margin: 0 -16px -24px; }
@media (min-width: 768px) { .sticky-save { margin: 0 -24px -32px; } }
@media (max-width: 991.98px) { .sticky-save { bottom: calc(80px + env(safe-area-inset-bottom)); margin: 0 -16px; border-radius: var(--md-shape-lg); box-shadow: var(--md-elev-2); } }
.search-select { position: relative; }
.search-select .results { position: absolute; top: calc(100% + 2px); left: 0; right: 0; z-index: 50; background: var(--md-surface-container); border-radius: var(--md-shape-xs); box-shadow: var(--md-elev-2); max-height: 300px; overflow-y: auto; display: none; padding: 6px 0; }
.search-select .results .opt { padding: 10px 16px; cursor: pointer; }
.search-select .results .opt:hover, .search-select .results .opt.hl { background: color-mix(in srgb, var(--md-on-surface) var(--md-state-hover), transparent); }
.pay-type .btn { flex: 1; }

/* login & standalone pages */
.login-page { background: var(--md-surface-container); min-height: 100vh; }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login-card { width: 100%; max-width: 420px; border-radius: var(--md-shape-xl) !important; border: 0 !important; background: var(--md-surface-container-lowest); }
.login-card .card-body { padding: 32px !important; }
.login-card h4 { font-size: 1.75rem; line-height: 2.25rem; font-weight: 400; }
.standalone { background: var(--md-surface-container); min-height: 100vh; }

/* =====================================================================
   PRINT
   ===================================================================== */
@media print {
  .sidebar, .topbar, .bottom-nav, .no-print, .filter-bar, .btn, .pagination, .nav-tabs, .fab { display: none !important; }
  .main { margin: 0 !important; } .content { padding: 0 !important; max-width: none; }
  body { background: #fff; font-size: 12px; } .card { border: none; box-shadow: none; }
  .stat { background: #fff !important; border: 1px solid #ddd; }
  .table thead th, .table tfoot td { background: #f3f3f3 !important; }
  .table-responsive { overflow: visible !important; }
  a { text-decoration: none; color: inherit; }
}
@media (max-width: 575.98px) { .stat .val { font-size: 1.25rem; line-height: 1.75rem; } .stat { padding: 14px; } .kv { grid-template-columns: 120px 1fr; } }