/* Zion POS — app chrome. Bootstrap supplies components; this file is layout.
   Colors mirror the Flutter app: slate surfaces, accent from Settings → Themes. */
:root {
    --sidebar-w: 216px;
    --accent: #16A34A;              /* overridden inline from theme settings */
    --surface: #f8fafc;
    --card: #ffffff;
    --hairline: #e2e8f0;
    --text: #0f172a;
    --muted: #64748b;
    --soft: #f1f5f9;
    --chip: #f8fafc;
}
html[data-bs-theme="dark"] {
    --surface: #0f172a;
    --card: #1e293b;
    --hairline: #334155;
    --text: #f1f5f9;
    --muted: #94a3b8;
    --soft: #16213a;
    --chip: #1e293b;
}
/* Accent utilities read from the theme settings */
.btn-accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-accent:hover, .btn-accent:focus { filter: brightness(.92); color: #fff; }
.text-accent { color: var(--accent) !important; }
.bg-accent { background: var(--accent) !important; }
.btn-outline-accent { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.btn-outline-accent:hover { background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); }

html, body { height: 100%; }
body {
    background: var(--surface); color: var(--text);
    transition: background .2s, color .2s;
}

.either { height: 100vh; width: 100%; }
.sidebar {
    width: var(--sidebar-w); flex: 0 0 var(--sidebar-w);
    background: var(--card); border-right: 1px solid var(--hairline);
    overflow-y: auto; transition: background .2s;
}
.sidebar .brand { border-bottom: 1px solid var(--hairline); }
.brand-name { font-size: .95rem; font-weight: 700; line-height: 1.1; }
.brand-sub { font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.sidebar .nav-link {
    color: var(--muted); border-radius: .5rem; font-size: .9rem;
    display: flex; align-items: center; gap: .55rem; padding: .5rem .75rem;
}
.sidebar .nav-link:hover { background: var(--soft); color: var(--text); }
.sidebar .nav-link.active { background: var(--accent); color: #fff; }
.sidebar .nav-link .badge-low { margin-left: auto; }
.badge-low { background: var(--accent); font-size: .65rem; }

/* Collapsible sidebar — icons-only mode */
.sidebar { transition: background .2s, width .2s ease, flex-basis .2s ease; }
body.sidebar-collapsed .sidebar { width: 70px; flex: 0 0 70px; }
body.sidebar-collapsed .sidebar .brand { justify-content: center; gap: 0; padding-left: .5rem; padding-right: .5rem; }
body.sidebar-collapsed .sidebar .brand-text { display: none; }
body.sidebar-collapsed .sidebar .nav-link { justify-content: center; gap: 0; padding-left: .6rem; padding-right: .6rem; position: relative; }
body.sidebar-collapsed .sidebar .nav-link .nav-label { display: none; }
body.sidebar-collapsed .sidebar .nav-link .badge-low { position: absolute; top: .15rem; right: .3rem; margin: 0; }

/* Sync dot pinned to the sidebar footer */
.sync-footer {
    margin-top: auto; display: flex; align-items: center; gap: .55rem;
    border-top: 1px solid var(--hairline); padding: .8rem 1rem .9rem; flex-shrink: 0;
}
body.sidebar-collapsed .sync-footer { justify-content: center; padding-left: .5rem; padding-right: .5rem; gap: 0; }
body.sidebar-collapsed #pending-count { display: none !important; }

/* Collapse toggle pinned at the sidebar's very bottom */
.sidebar-toggle-btn {
    display: flex; align-items: center; gap: .55rem; width: 100%; flex-shrink: 0;
    border: 0; border-top: 1px solid var(--hairline); background: transparent; color: var(--muted);
    padding: .55rem .9rem .65rem; font-size: .8rem; text-align: left; cursor: pointer;
    transition: background .12s, color .12s;
}
.sidebar-toggle-btn:hover { background: var(--soft); color: var(--text); }
.sidebar-toggle-btn svg { transition: transform .2s ease; }
body.sidebar-collapsed .sidebar-toggle-btn { justify-content: center; padding-left: .5rem; padding-right: .5rem; gap: 0; }
body.sidebar-collapsed .sidebar-toggle-btn svg { transform: rotate(180deg); }
body.sidebar-collapsed .sidebar-toggle-btn .nav-label { display: none; }

.main { min-width: 0; background: var(--surface); }
.topbar { background: var(--card); border-bottom: 1px solid var(--hairline); padding-top: .3rem; padding-bottom: .3rem; min-height: 40px; flex-wrap: wrap; row-gap: .3rem; }
.nav-round-btn {
    width: 32px; height: 32px; border-radius: 8px; flex: 0 0 32px;
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--muted); background: transparent; border: 1px solid transparent;
    cursor: pointer; text-decoration: none; transition: background .12s, color .12s;
}
.nav-round-btn:hover { background: var(--soft); color: var(--text); }
.nav-round-btn.is-here { color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }
.topbar-title h1 { display: inline; }

/* Cards & surfaces */
.card { background: var(--card); border-color: var(--hairline); }
.card-header { background: transparent !important; border-color: var(--hairline); }
.text-muted { color: var(--muted) !important; }
.divider { height: 1px; background: var(--hairline); }

/* Pill cards used by Settings / dashboards — mirror Flutter card style */
.feature-card {
    border: 1px solid var(--hairline); border-radius: 12px; background: var(--card);
}
.icon-chip {
    width: 36px; height: 36px; border-radius: 8px; flex: 0 0 36px;
    display: inline-flex; align-items: center; justify-content: center; font-size: 1rem;
}
.detail-row {
    display: flex; align-items: center; gap: .5rem;
    background: var(--chip); border: 1px solid var(--soft);
    border-radius: 8px; padding: .5rem .75rem;
}
.detail-row .label { width: 90px; font-size: 13px; font-weight: 600; color: var(--muted); }
.detail-row .value { font-size: 13px; font-weight: 600; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; }

/* Settings category tabs */
.settings-tabs {
    display: flex; flex-wrap: wrap; gap: .35rem; padding: .4rem;
    background: var(--chip); border: 1px solid var(--hairline); border-radius: 12px;
}
.settings-tabs .tab {
    border: 0; background: transparent; color: var(--muted); font-weight: 500;
    border-radius: 8px; padding: .5rem 1.1rem; font-size: .875rem; white-space: nowrap;
}
.settings-tabs .tab.active { background: var(--card); color: var(--accent); font-weight: 700; }

/* Settings page — roomier cards */
#settings-cards .feature-card { box-shadow: 0 1px 2px rgba(0,0,0,.03); }
#settings-cards .card-body { padding: 1.25rem 1.5rem; }
#settings-cards .card-header { padding: 1rem 1.5rem; }
#settings-cards .detail-row { padding: .6rem .85rem; }

/* Toggle chip: switch never separated from its label */
.switch-row {
    display: flex; align-items: center; gap: .65rem; width: 100%;
    padding: .5rem .75rem; min-height: 40px;
    background: var(--chip); border: 1px solid var(--soft); border-radius: 8px;
}
.switch-row .form-check-input {
    flex: 0 0 auto; margin: 0; cursor: pointer; float: none;
    width: 2.4em; height: 1.5em;
}
.switch-row .form-check-label { margin: 0; cursor: pointer; line-height: 1.3; flex-grow: 1; }
.switch-row:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--soft)); }
html[data-bs-theme="dark"] .switch-row { background: color-mix(in srgb, var(--muted) 10%, transparent); }

/* Switches: accent on, matching Flutter toggle color */
.form-switch .form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }
.form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }
.form-check-input:focus { border-color: var(--accent); box-shadow: 0 0 0 .2rem color-mix(in srgb, var(--accent) 25%, transparent); }
.form-control:focus, .form-select:focus {
    border-color: var(--accent); box-shadow: 0 0 0 .2rem color-mix(in srgb, var(--accent) 25%, transparent);
}

/* Accent color theming of Bootstrap */
:root {
    --bs-primary: unset;
}
.btn-primary {
    --bs-btn-bg: var(--accent); --bs-btn-border-color: var(--accent);
    --bs-btn-hover-bg: color-mix(in srgb, var(--accent) 88%, #000);
    --bs-btn-hover-border-color: color-mix(in srgb, var(--accent) 88%, #000);
    --bs-btn-active-bg: color-mix(in srgb, var(--accent) 80%, #000);
    --bs-btn-active-border-color: color-mix(in srgb, var(--accent) 80%, #000);
    --bs-btn-disabled-bg: var(--accent); --bs-btn-disabled-border-color: var(--accent);
}
.btn-outline-primary {
    --bs-btn-color: var(--accent); --bs-btn-border-color: var(--accent);
    --bs-btn-hover-bg: var(--accent); --bs-btn-hover-border-color: var(--accent);
    --bs-btn-active-bg: var(--accent); --bs-btn-active-border-color: var(--accent);
}
.form-check-input:checked:not(.form-switch .) { }
a { color: var(--accent); }
.sidebar .nav-link.active a, a.btn { text-decoration: none; }

/* Sync indicator */
.sync-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.sync-online { background: #22c55e; }
.sync-pending { background: #f59e0b; }
.sync-offline { background: #ef4444; }
.status-pill {
    display: inline-flex; align-items: center; gap: .4rem;
    border-radius: 10px; padding: .15rem .6rem; font-size: .72rem; font-weight: 700;
}
.status-pill.online { background: #DCFCE7; border: 1px solid #86EFAC; color: #15803D; }
.status-pill.online .dot { background: #16A34A; }
.status-pill.offline { background: #FEE2E2; border: 1px solid #FECACA; color: #B91C1C; }
.status-pill.offline .dot { background: #DC2626; }
.status-pill .dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
html[data-bs-theme="dark"] .status-pill.online {
    background: rgba(22,163,74,.15); border-color: rgba(134,239,172,.4); color: #86EFAC;
}
html[data-bs-theme="dark"] .status-pill.offline {
    background: rgba(220,38,38,.15); border-color: rgba(254,202,202,.4); color: #FCA5A5;
}
.waiting-badge { background: #FEF3C7; border: 1px solid #FDE68A; color: #92400E; font-weight: 700; }

/* Offline banner */
.offline-banner {
    background: #fef3c7; border-bottom: 1px solid #f59e0b; color: #92400e;
    padding: .35rem 1rem; font-size: .85rem; text-align: center;
}

/* Imports page */
.imp-type-card {
    flex: 1 1 220px; max-width: 260px; display: flex; align-items: flex-start; gap: .6rem;
    padding: .7rem .85rem; text-align: left; border: 1px solid var(--hairline); border-radius: 10px;
    background: var(--card); color: var(--text); transition: border-color .15s, box-shadow .15s, background .15s;
}
.imp-type-card:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--hairline)); }
.btn-check:checked + .imp-type-card {
    border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent);
    background: color-mix(in srgb, var(--accent) 6%, var(--card));
}
.imp-type-card .ic { color: var(--muted); flex: 0 0 auto; margin-top: 1px; display: inline-flex; }
.btn-check:checked + .imp-type-card .ic { color: var(--accent); }
.imp-type-card .tx { display: flex; flex-direction: column; gap: .15rem; min-width: 0; }
.imp-type-card .t { font-size: .85rem; font-weight: 700; line-height: 1.2; }
.btn-check:checked + .imp-type-card .t { color: var(--accent); }
.imp-type-card .d { font-size: .72rem; color: var(--muted); line-height: 1.3; }

.drop-zone {
    display: flex; align-items: center; gap: .9rem; padding: 1.1rem 1.2rem;
    border: 1.5px dashed color-mix(in srgb, var(--muted) 35%, var(--hairline));
    border-radius: 10px; cursor: pointer; transition: border-color .15s, background .15s;
}
.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--accent); background: color-mix(in srgb, var(--accent) 5%, var(--card));
}
.drop-zone .dz-icon { color: var(--muted); display: inline-flex; flex: 0 0 auto; }
.drop-zone.dragover .dz-icon, .drop-zone:hover .dz-icon { color: var(--accent); }
.drop-zone .dz-text { display: flex; flex-direction: column; gap: .1rem; min-width: 0; flex-grow: 1; }
.drop-zone .dz-text .t { font-weight: 600; font-size: .9rem; }
.drop-zone .dz-text.chosen .t { color: var(--accent); }
.drop-zone .dz-text .d { font-size: .74rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.drop-zone .chip-note {
    flex: 0 0 auto; font-size: .72rem; font-weight: 700; letter-spacing: .4px; color: var(--accent);
    border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent); border-radius: 20px; padding: .3rem .8rem;
}
#imp-preview:not(:empty) { animation: rise .25s ease; }
@keyframes rise { from { opacity: 0; transform: translateY(4px); } }

.pill.kind-products { background: color-mix(in srgb, var(--accent) 10%, transparent); border-color: color-mix(in srgb, var(--accent) 30%, transparent); color: var(--accent); }
.pill.kind-stock { background: color-mix(in srgb, #F59E0B 12%, transparent); border-color: color-mix(in srgb, #F59E0B 35%, transparent); color: #B45309; }
html[data-bs-theme="dark"] .pill.kind-stock { color: #FBBF24; }
.table tbody tr { transition: background .12s; }
.table tbody tr:hover { background: color-mix(in srgb, var(--accent) 4%, transparent); }
.empty-state { display: flex; align-items: center; justify-content: center; gap: .6rem; color: var(--muted); }

/* POS till */
.pos-grid {
    display: grid; grid-template-columns: 1fr 390px; gap: 1rem;
    height: 100%; min-height: calc(100vh - 110px);
}
.product-card {
    border: 1px solid var(--hairline); border-radius: 8px; padding: .6rem;
    background: var(--card); cursor: pointer; height: 100%;
    display: flex; flex-direction: column; justify-content: space-between;
}
.product-card:hover { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 15%, transparent); }
.product-card.out-of-stock { opacity: .55; cursor: not-allowed; }
.price-tag { font-weight: 800; font-size: .95rem; white-space: nowrap; }
.stock-chip {
    font-size: 11px; font-weight: 600; border-radius: 4px; padding: .1rem .4rem;
    background: #E8F5E9; color: #2E7D32; display: inline-block;
}
html[data-bs-theme="dark"] .stock-chip { background: rgba(46,125,50,.25); color: #a5d6a7; }
.stock-chip.out { background: #FFEBEE; color: #C62828; }
html[data-bs-theme="dark"] .stock-chip.out { background: rgba(198,40,40,.25); color: #ef9a9a; }
.p-tile { width: 38px; height: 38px; border-radius: 8px; flex: 0 0 38px;
    background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent);
    display: flex; align-items: center; justify-content: center; }
.p-tile svg { width: 20px; height: 20px; }
.p-tile:not(.ser) { background: color-mix(in srgb, var(--muted) 14%, transparent); color: var(--muted); }

.cart-row-deleted { text-decoration: line-through; opacity: .5; }

/* Cart line cards */
.cart-line { background: var(--chip); border: 1px solid var(--soft); border-radius: 10px; padding: .4rem .55rem; }
.cart-line + .cart-line { margin-top: .35rem; }
.cart-line:hover { border-color: color-mix(in srgb, var(--accent) 35%, var(--soft)); }
.cart-tile {
    width: 24px; height: 24px; border-radius: 6px; flex: 0 0 24px; margin-top: .05rem;
    background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent);
    display: inline-flex; align-items: center; justify-content: center;
}
.cart-tile svg { width: 12px; height: 12px; }
.cart-line-name, .line-name { font-size: 12.5px; font-weight: 600; line-height: 1.25; }
.line-sub { font-size: 10.5px; color: var(--muted); }
.line-total { font-weight: 800; font-size: .8rem; white-space: nowrap; }
.cart-qty { background: var(--card); border: 1px solid var(--hairline); border-radius: 7px; overflow: hidden; }
.cart-qty button { border: 0; background: transparent; color: var(--muted); padding: 0 .38rem; line-height: 1.5; font-weight: 700; font-size: .78rem; transition: background .12s, color .12s; }
.cart-qty button[data-act="inc"] { color: var(--accent); }
.cart-qty button:hover { background: var(--soft); color: var(--accent); }
.cart-qty span { min-width: 1.5rem; text-align: center; font-size: .74rem; font-weight: 700; }
.cart-x { border: 0; background: transparent; color: var(--muted); padding: .1rem .25rem; border-radius: 6px; line-height: 1; opacity: .55; transition: color .12s, background .12s, opacity .12s; }
.cart-x:hover { color: #C62828; background: rgba(198, 40, 40, .08); opacity: 1; }
html[data-bs-theme="dark"] .cart-x:hover { color: #ef9a9a; background: rgba(198, 40, 40, .2); }
.cart-empty { display: flex; flex-direction: column; align-items: center; gap: .25rem; color: var(--muted); padding: 1.6rem 0 1.4rem; text-align: center; }
.cart-empty svg { width: 28px; height: 28px; opacity: .65; }
.cart-empty .lead-t { font-weight: 700; font-size: .85rem; color: var(--text); }
.cart-empty .d { font-size: .75rem; }

/* Summary stack */
.pos-summary { border-top: 1px solid var(--soft); margin-top: .6rem; padding-top: .35rem; }
.pos-summary .rowline { display: flex; align-items: center; justify-content: space-between; column-gap: .75rem; padding: .35rem 0; font-size: .87rem; }
.pos-summary .rowline + .rowline { border-top: 1px dashed var(--soft); }
.pos-summary .rowline > .amt { white-space: nowrap; font-weight: 600; }
.pos-summary .rowline > .amt.input-group { justify-content: flex-end; }

.hero-total {
    background: color-mix(in srgb, var(--accent) 10%, var(--card));
    border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
    border-radius: 12px;
    padding: .6rem .85rem;
}
.hero-total .total-label { font-size: 11px; font-weight: 800; letter-spacing: 1.1px; }
.hero-total #pos-total { color: var(--accent); }
.change-box { background: #E8F5E9; border: 1px solid #A5D6A7; border-radius: 8px; }
html[data-bs-theme="dark"] .change-box { background: rgba(27,94,32,.25); border-color: rgba(165,214,167,.35); }
.change-box .label { color: #2E7D32; font-weight: 800; font-size: 11.5px; letter-spacing: .04em; }
.change-box .amount { color: #1B5E20; font-weight: 900; font-size: 1rem; }
html[data-bs-theme="dark"] .change-box .label { color: #81C784; }
html[data-bs-theme="dark"] .change-box .amount { color: #C8E6C9; }

.pay-chip { cursor: pointer; }
.quick-chip { cursor: pointer; }

/* Category / mode chips */
.chip-row { display: flex; gap: .4rem; overflow-x: auto; }

/* Slim, rounded scrollbars (killed the default Windows arrow scrollbars) */
.chip-row, #pos-list, #pos-cart, .sidebar, .main, .modal-dialog .modal-body {
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--muted) 35%, transparent) transparent;
}
.chip-row::-webkit-scrollbar, #pos-list::-webkit-scrollbar, #pos-cart::-webkit-scrollbar,
.sidebar::-webkit-scrollbar, .main::-webkit-scrollbar, .modal-dialog .modal-body::-webkit-scrollbar {
    width: 8px; height: 8px;
}
.chip-row::-webkit-scrollbar-thumb, #pos-list::-webkit-scrollbar-thumb, #pos-cart::-webkit-scrollbar-thumb,
.sidebar::-webkit-scrollbar-thumb, .main::-webkit-scrollbar-thumb, .modal-dialog .modal-body::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--muted) 35%, transparent); border-radius: 999px;
}
.chip-row::-webkit-scrollbar-track, #pos-list::-webkit-scrollbar-track, #pos-cart::-webkit-scrollbar-track,
.sidebar::-webkit-scrollbar-track, .main::-webkit-scrollbar-track, .modal-dialog .modal-body::-webkit-scrollbar-track {
    background: transparent;
}
.chip-row::-webkit-scrollbar-button, #pos-list::-webkit-scrollbar-button, #pos-cart::-webkit-scrollbar-button,
.sidebar::-webkit-scrollbar-button, .main::-webkit-scrollbar-button, .modal-dialog .modal-body::-webkit-scrollbar-button {
    display: none; width: 0; height: 0;
}

.mode-chip {
    border: 1px solid var(--hairline); background: var(--chip); color: var(--muted);
    border-radius: 20px; padding: .25rem .8rem; font-size: .82rem; font-weight: 600; white-space: nowrap;
}
.mode-chip.active { background: color-mix(in srgb, var(--accent) 12%, var(--card)); border-color: var(--accent); color: var(--accent); }

/* Till cart: compact chips + fixed bottom strip */
#pos-col-cart .mode-chip { padding: .15rem .6rem; font-size: .78rem; gap: .35rem; }
#pos-payments .pill svg { width: 14px; height: 14px; }
#pos-pay-row { font-size: .88rem; }
#pos-checkout { height: 40px; font-weight: 700; }

/* Scan dialog reticle */
.scan-box {
    height: 140px; background: #1e293b; border-radius: 8px; position: relative; overflow: hidden;
    border: 2px solid color-mix(in srgb, var(--accent) 40%, transparent);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.scan-box .corner { position: absolute; width: 20px; height: 20px; border-color: var(--accent); }
.scan-box .corner.tl { top: 8px; left: 8px; border-top: 3px solid; border-left: 3px solid; }
.scan-box .corner.tr { top: 8px; right: 8px; border-top: 3px solid; border-right: 3px solid; }
.scan-box .corner.bl { bottom: 8px; left: 8px; border-bottom: 3px solid; border-left: 3px solid; }
.scan-box .corner.br { bottom: 8px; right: 8px; border-bottom: 3px solid; border-right: 3px solid; }
.scan-box .laser {
    position: absolute; left: 10%; right: 10%; height: 2px; border-radius: 2px;
    background: var(--accent); box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 70%, transparent);
    animation: scanline 1.8s ease-in-out infinite alternate;
}
@keyframes scanline { from { top: 18%; opacity: .85; } to { top: 78%; opacity: .35; } }
.scan-ready { color: rgba(255,255,255,.9); font-size: 12px; font-weight: 700; letter-spacing: 1.2px; }

/* Receipt / thermal */
.receipt {
    font-family: ui-monospace, 'Courier New', monospace;
    margin: 0 auto; font-size: 12px; line-height: 1.35;
    color: #000; background: #fff; padding: 8px;
}
.receipt .receipt-center { text-align: center; }
.receipt .solid-rule { border-top: 2.4px solid #000; }
.receipt hr { border: none; border-top: 1px dashed #000; }
.receipt .barcode-wrap { text-align: center; }
.receipt .barcode-code { font-size: 9px; letter-spacing: 1px; }
.receipt .signature-line {
    margin-top: 14px; border-top: 1px solid #000; width: 70%;
    margin-inline: auto; text-align: center; font-size: 10px; padding-top: 2px;
}
@media print {
    body * { visibility: hidden; }
    #receipt-print, #receipt-print * { visibility: visible; }
    #receipt-print { position: absolute; left: 0; top: 0; margin: 0; padding-top: 0; }
    .no-print { display: none !important; }
}

/* stat cards (revived) */
.stat-card { border: 0; transition: transform .18s ease, box-shadow .18s ease; }
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 10px 22px -10px color-mix(in srgb, var(--accent) 40%, transparent); }
.stat-card .stat-label { text-transform: uppercase; font-size: .7rem; letter-spacing: .06em; color: var(--muted); font-weight: 600; }
.stat-card .stat-value { font-size: 1.45rem; font-weight: 800; }
.stat-sub, .hero-sub { font-size: .78rem; }
.stat-card.hero {
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 16%, var(--card)), color-mix(in srgb, var(--accent) 5%, var(--card)));
    border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
.stat-card.hero:hover { border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.stat-card.hero .stat-value { color: var(--accent); }
.icon-chip.hero-chip { background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--accent); }

.section-title { font-weight: 700; font-size: .95rem; }

/* Tables */
.table { --bs-table-bg: transparent; }
.table > :not(caption) > * > * { border-color: var(--hairline); color: inherit; }
.table thead th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }

/* Badges */
.pill { border-radius: 6px; font-size: .72rem; padding: .12rem .45rem; display: inline-block; background: var(--chip); border: 1px solid var(--hairline); color: var(--muted); }
.pill.ok { background: rgba(22,163,74,.12); color: #15803D; border-color: transparent; }
.pill.off { color: var(--muted); }
.pill.danger { background: rgba(220,38,38,.1); color: #B91C1C; border-color: transparent; }
html[data-bs-theme="dark"] .pill.ok { color: #6EE7B7; }
html[data-bs-theme="dark"] .pill.danger { color: #FCA5A5; }
.pill.warn { background: rgba(245,158,11,.12); color: #B45309; border-color: transparent; }
html[data-bs-theme="dark"] .pill.warn { color: #FBBF24; }

/* mini chart */
.mini-chart { display: flex; align-items: flex-end; gap: 2px; height: 90px; }
.mini-chart .bar { flex: 1; background: var(--accent); border-radius: 2px 2px 0 0; min-height: 2px; opacity: .85; }

/* low stock list */
.low-stock-list { overflow: hidden; }
.low-stock-row { position: relative; overflow: hidden; transition: background .12s; }
.low-stock-row::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: #F59E0B; }
.low-stock-row.is-out::before { background: #EF4444; }
.low-stock-row:hover { background: var(--soft); }
.low-stock-row .out { color: #EF4444; }
.low-stock-row .warn { color: #B45309; }
.ls-icon {
    width: 28px; height: 28px; border-radius: 8px; flex: 0 0 28px;
    display: inline-flex; align-items: center; justify-content: center;
    background: rgba(245,158,11,.12); color: #B45309;
}
html[data-bs-theme="dark"] .ls-icon { background: rgba(245,158,11,.16); color: #FBBF24; }
.low-stock-row.is-out .ls-icon { background: rgba(239,68,68,.12); color: #DC2626; }
html[data-bs-theme="dark"] .low-stock-row.is-out .ls-icon { background: rgba(239,68,68,.16); color: #F87171; }
.ls-hint { font-size: .72rem; color: var(--muted); }
.ls-count { font-weight: 700; font-size: .8rem; white-space: nowrap; border-radius: 999px; padding: .25rem .65rem; }
.ls-count.warn { background: rgba(245,158,11,.12); color: #B45309; }
.ls-count.out { background: rgba(239,68,68,.12); color: #DC2626; }
html[data-bs-theme="dark"] .ls-count.warn { color: #FBBF24; }
html[data-bs-theme="dark"] .ls-count.out { color: #F87171; }
.low-healthy svg { display: inline-block; }

/* ============================================================
   Mobile / small-screen responsiveness
   Sidebar becomes a slide-in drawer below Bootstrap's lg break,
   chrome tightens, tables scroll, till goes full width.
   ============================================================ */

/* --- Hamburger only appears on small screens --- */
.mobile-menu-btn { display: none; }

@media (max-width: 991.98px) {
    /* Sidebar → fixed drawer, always full width regardless of collapse state */
    .sidebar {
        position: fixed;
        top: 0; bottom: 0; left: 0;
        z-index: 1050;
        width: min(var(--sidebar-w), 78vw) !important;
        flex: 0 0 auto !important;
        transform: translateX(-105%);
        transition: transform .22s ease;
        box-shadow: 0 0 40px rgba(0,0,0,.18);
    }
    body.sidebar-mobile-open .sidebar { transform: none; }
    /* Ignore icon-collapse while it is a drawer — labels always visible */
    body.sidebar-collapsed .sidebar { width: min(var(--sidebar-w), 78vw) !important; }
    body.sidebar-collapsed .sidebar .brand-text,
    body.sidebar-collapsed .sidebar .nav-link .nav-label,
    body.sidebar-collapsed .sidebar-toggle-btn .nav-label { display: revert; }
    body.sidebar-collapsed .sidebar .brand,
    body.sidebar-collapsed .sidebar .nav-link,
    body.sidebar-collapsed .sidebar-toggle-btn { justify-content: flex-start; gap: .65rem; padding-left: .75rem; padding-right: .75rem; }
    body.sidebar-collapsed .sidebar .nav-link .badge-low { position: static; margin-left: auto; }

    /* Drawer + backdrop */
    .sidebar-backdrop {
        position: fixed; inset: 0;
        background: rgba(15, 23, 42, .45);
        z-index: 1040;
        opacity: 0; pointer-events: none;
        transition: opacity .2s ease;
    }
    body.sidebar-mobile-open .sidebar-backdrop { opacity: 1; pointer-events: auto; }

    .mobile-menu-btn { display: inline-flex; }
    .main { min-width: 0; width: 100%; }
}

/* Backdrop element hidden entirely on desktop */
@media (min-width: 992px) {
    .sidebar-backdrop { display: none; }
}

/* --- Tighter chrome on phones --- */
@media (max-width: 767.98px) {
    .topbar { padding-left: .6rem; padding-right: .6rem; }
    .topbar .nav-round-btn { width: 30px; height: 30px; }
    main { padding: .75rem .6rem !important; }
    .topbar .dropdown > .btn {
        max-width: 40vw;
        overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
        padding-left: .5rem; padding-right: .5rem;
    }
    .topbar .dropdown > .btn .text-muted { display: none; }
    .card-body { padding: .9rem; }
    .modal-dialog { margin: .5rem; }
}

@media (max-width: 575.98px) {
    .topbar-title { font-size: .95rem; }
    /* Page action buttons compress: keep icons readable, trim padding */
    .topbar .btn-sm { padding-left: .55rem; padding-right: .55rem; }
}

/* --- Till on phones: everything full width, cart unhindered --- */
@media (max-width: 575.98px) {
    #pos-register { gap: .65rem !important; }
    #pos-col-cart { max-width: 100% !important; margin: 0 !important; }
    #pos-list { max-height: 42vh; }
    .input-group-lg .form-control { font-size: .95rem; }
}