:root {
    --topnav-bg:        #1e2530;
    --topnav-text:      #adb5bd;
    --topnav-active-bg: rgba(13,110,253,0.85);
    --topnav-hover-bg:  rgba(255,255,255,0.08);
    --topnav-height:    52px;
}

html, body {
    height: 100%;
    margin: 0;
    font-size: 14px;
}

@media (min-width: 768px) {
    html { font-size: 15px; }
}

/* ── App shell ───────────────────────────────── */

#app-wrapper {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* ── Top navigation bar ──────────────────────── */

#topnav {
    background: var(--topnav-bg);
    color: var(--topnav-text);
    height: var(--topnav-height);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    padding: 0 1rem;
    gap: 0.15rem;
    z-index: 100;
}

.topnav-brand {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
    margin-right: 0.75rem;
    flex-shrink: 0;
}
.topnav-brand i { font-size: 1.1rem; }
.topnav-brand:hover { color: #fff; text-decoration: none; }

#topnav-links {
    display: flex;
    align-items: center;
    gap: 0.1rem;
    flex-shrink: 0;
}

.topnav-link {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    border-radius: 6px;
    color: var(--topnav-text);
    text-decoration: none;
    font-size: 0.875rem;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s;
}
.topnav-link:hover  { background: var(--topnav-hover-bg); color: #fff; text-decoration: none; }
.topnav-link.active { background: var(--topnav-active-bg); color: #fff; }

.topnav-sep { flex-grow: 1; }

.topnav-divider {
    width: 1px;
    height: 20px;
    background: rgba(255,255,255,0.18);
    margin: 0 0.25rem;
    flex-shrink: 0;
}

.topnav-btn {
    background: none;
    border: none;
    color: var(--topnav-text);
    padding: 0.35rem 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    transition: color 0.15s, background 0.15s;
    flex-shrink: 0;
}
.topnav-btn:hover { color: #fff; background: var(--topnav-hover-bg); }

.topnav-username {
    font-size: 0.8rem;
    color: var(--topnav-text);
    padding: 0 0.25rem;
    white-space: nowrap;
}

.topnav-logout {
    background: none;
    border: none;
    color: var(--topnav-text);
    font-size: 0.8rem;
    padding: 0.3rem 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.15s, background 0.15s;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    flex-shrink: 0;
}
.topnav-logout:hover { color: #fff; background: var(--topnav-hover-bg); }

#topnav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--topnav-text);
    font-size: 1.35rem;
    padding: 0.3rem 0.5rem;
    cursor: pointer;
    border-radius: 6px;
    line-height: 1;
}
#topnav-toggle:hover { color: #fff; }

@media (max-width: 767px) {
    #topnav-links    { display: none !important; }
    .topnav-username { display: none; }
    #topnav-toggle   { display: block; }
}

/* ── Mobile nav panel ────────────────────────── */

#mobile-nav {
    background: var(--topnav-bg);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding: 0.5rem 1rem 0.75rem;
    flex-shrink: 0;
    display: none;
}
#mobile-nav.open { display: block; }
#mobile-nav a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    color: var(--topnav-text);
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.9rem;
    margin-bottom: 2px;
}
#mobile-nav a:hover  { color: #fff; background: var(--topnav-hover-bg); text-decoration: none; }
#mobile-nav a.active { color: #fff; background: var(--topnav-active-bg); }

/* ── Content wrapper ─────────────────────────── */

#content-wrapper {
    flex-grow: 1;
    overflow-y: auto;
    background: #f4f6f9;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

/* ── Page sidenav (Settings, Reports) ───────── */

.page-layout {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.page-sidenav {
    width: 175px;
    flex-shrink: 0;
    position: sticky;
    top: 0;
}

.page-sidenav .nav-link {
    color: var(--bs-body-color);
    border-radius: 6px;
    padding: 0.42rem 0.7rem;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 1px;
    transition: background 0.12s, color 0.12s;
}
.page-sidenav .nav-link:hover  { background: var(--bs-secondary-bg); text-decoration: none; color: var(--bs-body-color); }
.page-sidenav .nav-link.active { background: rgba(13,110,253,0.12); color: #0d6efd; font-weight: 500; }
[data-bs-theme="dark"] .page-sidenav .nav-link.active { background: rgba(13,110,253,0.22); }

.page-sidenav-section {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--bs-secondary-color);
    padding: 0.6rem 0.7rem 0.2rem;
    margin-top: 0.25rem;
}

.page-content { flex-grow: 1; min-width: 0; }

@media (max-width: 767px) {
    .page-layout { flex-direction: column; gap: 0; }
    .page-sidenav {
        width: 100%;
        position: static;
        display: none;
    }
    .page-sidenav-select {
        display: block;
        width: 100%;
        margin-bottom: 1rem;
    }
}

@media (min-width: 768px) {
    .page-sidenav-select { display: none; }
}

/* ── Barcode scanner (@zxing/library) ───────────────────────────────────────
   We own the <video> element — ZXing reads the raw MediaStream for detection.
   CSS rotation corrects the portrait camera stream to appear landscape.
   JS sets:  video.width = DISPLAY_H,  video.height = containerWidth
             video.top   = (DISPLAY_H - containerWidth) / 2
             video.left  = (containerWidth - DISPLAY_H) / 2
   Then transform: rotate(-90deg) visually makes it landscape W × DISPLAY_H. ── */

.scanner-viewport {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: #000;
    border-radius: 6px;
    /* height set by JS to DISPLAY_H */
}

.scanner-viewport video {
    position: absolute;
    top: 0;
    left: 0;
    object-fit: cover;
}

/* Red aiming line overlay */
.scanner-aim {
    position: absolute;
    top: 50%;
    left: 8%;
    right: 8%;
    height: 2px;
    background: rgba(220, 38, 38, 0.9);
    transform: translateY(-50%);
    box-shadow: 0 0 8px rgba(220, 38, 38, 0.6);
    pointer-events: none;
    border-radius: 1px;
}

.scanner-aim::before,
.scanner-aim::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 20px;
    background: rgba(220, 38, 38, 0.9);
    top: -9px;
}
.scanner-aim::before { left: 0; }
.scanner-aim::after  { right: 0; }

/* ── Stat cards ──────────────────────────────── */

.stat-card {
    background: #fff;
    border-radius: 8px;
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
}

/* Let the text column shrink when the card is narrow */
.stat-card > div:last-child {
    min-width: 0;
    overflow: hidden;
}

.stat-icon { font-size: 2rem; line-height: 1; }
.stat-value { font-size: 1.75rem; font-weight: 700; line-height: 1; }
.stat-label {
    font-size: 0.78rem;
    color: #6c757d;
    margin-top: 2px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Modal item-detail stat cells — keep all labels on one line */
#modal-content .row.g-2 .text-muted.small {
    font-size: .7rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ── Detail-modal stat cells ─────────────────── */

.stat-cell {
    flex: 0 0 auto;
    width: 104px;
    border: 1px solid var(--bs-border-color);
    border-radius: 8px;
    padding: .6rem .4rem;
    background: var(--bs-body-bg);
}

.stat-cell-value {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.1;
}

.stat-cell-label {
    font-size: .7rem;
    color: var(--bs-secondary-color);
    text-transform: uppercase;
    letter-spacing: .04em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* "More info" affordance under the product image */
.more-info-btn {
    width: 100%;
    border: 1px dashed var(--bs-border-color);
    background: var(--bs-tertiary-bg);
    color: var(--bs-secondary-color);
    font-size: .8rem;
    font-weight: 500;
    border-radius: 6px;
    padding: .35rem .5rem;
    transition: border-color .12s ease, color .12s ease, background-color .12s ease;
}

.more-info-btn:hover {
    border-color: var(--bs-primary);
    border-style: solid;
    color: var(--bs-primary);
    background: rgba(13, 110, 253, .06);
}

/* Consume / restock stepper in the detail modal */
.stock-stepper .form-control {
    font-weight: 600;
}
.stock-stepper .btn { font-weight: 700; }

/* Pulse the stock number on consume (red) / restock (green) */
.stat-flash-up   { animation: stat-flash-up   .9s ease-out; }
.stat-flash-down { animation: stat-flash-down .9s ease-out; }

@keyframes stat-flash-up {
    0%   { color: var(--bs-success); text-shadow: 0 0 16px rgba(25, 135, 84, .85); transform: scale(1.28); }
    50%  { color: var(--bs-success); text-shadow: 0 0 10px rgba(25, 135, 84, .55); }
    100% { transform: scale(1); }
}

@keyframes stat-flash-down {
    0%   { color: var(--bs-danger); text-shadow: 0 0 16px rgba(220, 53, 69, .85); transform: scale(1.28); }
    50%  { color: var(--bs-danger); text-shadow: 0 0 10px rgba(220, 53, 69, .55); }
    100% { transform: scale(1); }
}

/* ── Product details (metadata) modal ────────── */

.metadata-hero {
    background: var(--bs-tertiary-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 10px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 140px;
}

.metadata-hero-img {
    max-width: 100%;
    max-height: 200px;
    object-fit: contain;
    border-radius: 6px;
}

.metadata-hero-placeholder {
    font-size: 3rem;
    color: var(--bs-secondary-color);
    opacity: .35;
}

.metadata-field {
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 8px;
    padding: .55rem .75rem;
    height: 100%;
}

.metadata-field-label {
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--bs-secondary-color);
    margin-bottom: .15rem;
}

.metadata-field-value {
    font-size: .9rem;
    color: var(--bs-body-color);
    word-break: break-word;
}

/* Spinning refresh icon (metadata explorer) */
.spin { animation: icon-spin .7s linear infinite; display: inline-block; }
@keyframes icon-spin { to { transform: rotate(360deg); } }

/* ── Item-type selection cards ───────────────── */

.type-option {
    display: flex;
    align-items: center;
    gap: .75rem;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: .75rem 1rem;
    border: 1px solid var(--bs-border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color .12s ease, background-color .12s ease, box-shadow .12s ease;
}

.type-option > i {
    font-size: 1.4rem;
    line-height: 1;
    color: var(--bs-secondary-color);
    flex-shrink: 0;
}

.type-option:hover { border-color: var(--bs-primary); }

.btn-check:checked + .type-option {
    border-color: var(--bs-primary);
    background-color: rgba(13, 110, 253, .08);
    box-shadow: inset 0 0 0 1px var(--bs-primary);
}

.btn-check:checked + .type-option > i { color: var(--bs-primary); }

.btn-check:focus-visible + .type-option {
    outline: 2px solid var(--bs-primary);
    outline-offset: 2px;
}

/* ── Cards ───────────────────────────────────── */

.card {
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
    border: 1px solid rgba(0,0,0,.08);
}

.activity-item:last-child { border-bottom: none !important; }
.min-vh-100 { min-height: 100vh; }

/* ── Reports / Print ────────────────────────���────────────────────────────── */

.print-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 1rem; display: none; }

/* Take inventory fill-in boxes */
.print-input-box {
    border-bottom: 1px solid #888;
    min-height: 20px;
    width: 80px;
}
.print-input-box.wide { width: 100%; }

/* Barcode grid */
.barcode-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

@media (max-width: 768px) {
    .barcode-grid { grid-template-columns: repeat(2, 1fr); }
}

.barcode-card {
    border: 1px solid #dee2e6;
    border-radius: 6px;
    padding: 10px;
    text-align: center;
    background: #fff;
}

.barcode-name     { font-weight: 700; font-size: 0.85rem; margin-bottom: 2px; }
.barcode-location { font-size: 0.75rem; color: #6c757d; margin-bottom: 4px; }
.barcode-svg      { max-width: 100%; height: auto; display: block; margin: 4px auto; }
.barcode-sku      { font-size: 0.75rem; color: #6c757d; font-family: monospace; margin-top: 2px; }

@media print {
    .no-print           { display: none !important; }
    .print-title        { display: block !important; }
    #sidebar            { display: none !important; }
    #topbar             { display: none !important; }
    #content-wrapper    { margin-left: 0 !important; width: 100% !important; }
    #app-wrapper        { display: block !important; }
    .card               { border: 1px solid #dee2e6 !important; box-shadow: none !important; }
    .barcode-grid       { grid-template-columns: repeat(4, 1fr); gap: 8px; }
    .barcode-card       { break-inside: avoid; }
    .take-inventory-table td, .take-inventory-table th { font-size: 0.8rem; padding: 4px 6px; }
}

/* ── Scanner modal: full-screen on small screens ─ */

@media (max-width: 576px) {
    #scannerModal .modal-dialog {
        margin: 0;
        max-width: 100vw;
        min-height: 100dvh;
    }
    #scannerModal .modal-content {
        min-height: 100dvh;
        border-radius: 0;
    }
}

/* ── Inventory row interaction ───────────────── */

.inventory-row {
    transition: background-color 0.1s;
}

.inventory-row:hover td {
    background-color: rgba(13, 110, 253, 0.06) !important;
}

[data-bs-theme="dark"] .inventory-row:hover td {
    background-color: rgba(255, 255, 255, 0.07) !important;
}

/* ── Dark mode overrides ─────────────────────── */

[data-bs-theme="dark"] #content-wrapper {
    background: #151b23;
}

[data-bs-theme="dark"] .stat-card {
    background: var(--bs-card-bg);
    border-color: var(--bs-card-border-color);
    box-shadow: 0 1px 3px rgba(0,0,0,.25);
}

[data-bs-theme="dark"] .barcode-card {
    background: var(--bs-card-bg);
    border-color: var(--bs-card-border-color);
}

[data-bs-theme="dark"] footer {
    color: var(--bs-secondary-color);
    border-color: var(--bs-border-color) !important;
}

[data-bs-theme="dark"] .card {
    border-color: var(--bs-card-border-color);
}

[data-bs-theme="dark"] .table-light {
    --bs-table-color:        var(--bs-body-color);
    --bs-table-bg:           var(--bs-tertiary-bg);
    --bs-table-border-color: var(--bs-border-color);
    --bs-table-striped-bg:   var(--bs-tertiary-bg);
    --bs-table-hover-bg:     var(--bs-secondary-bg);
}

/* ── Sortable table headers ──────────────────── */

th.sortable { cursor: pointer; user-select: none; white-space: nowrap; }
th.sortable::after { content: ' ↕'; color: #adb5bd; font-size: .75em; }
th.sort-asc::after  { content: ' ↑'; color: #0d6efd; }
th.sort-desc::after { content: ' ↓'; color: #0d6efd; }

/* ── Barcode scanner ─────────────────────────── */

#scanner-video {
    width: 100%;
    max-height: 240px;
    object-fit: cover;
    border-radius: 6px;
    background: #000;
}

#scanner-overlay {
    position: relative;
}

#scanner-overlay::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 10%;
    right: 10%;
    height: 2px;
    background: rgba(13,110,253,0.7);
    box-shadow: 0 0 8px rgba(13,110,253,0.6);
    transform: translateY(-50%);
    pointer-events: none;
}

#barcode-result {
    font-family: monospace;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
}

/* ── Client list avatar pill ─────────────────── */

.client-list-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
    letter-spacing: 0.02em;
}

/* Contact card view modal */

.contact-card-hero {
    background: linear-gradient(135deg, var(--cc-accent, #0d6efd) 0%, color-mix(in srgb, var(--cc-accent, #0d6efd) 70%, #000) 100%);
    padding: 2rem 1.5rem 1.5rem;
    text-align: center;
    position: relative;
    border-radius: var(--bs-modal-inner-border-radius, .5rem) var(--bs-modal-inner-border-radius, .5rem) 0 0;
    color: #fff;
}

.contact-card-hero .btn-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    filter: invert(1);
    opacity: 0.85;
}

.contact-card-hero-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255,255,255,0.22);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin: 0 auto 0.75rem;
    letter-spacing: 0.02em;
    border: 3px solid rgba(255,255,255,0.35);
}

.contact-card-hero-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0;
    line-height: 1.2;
}

.contact-card-fields {
    padding: 0.5rem 0;
}

.contact-field {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    padding: 0.7rem 1.25rem;
    border-bottom: 1px solid var(--bs-border-color, #dee2e6);
}

.contact-field:last-child {
    border-bottom: none;
}

.contact-field-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--bs-tertiary-bg, #f8f9fa);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.95rem;
    color: var(--bs-primary, #0d6efd);
    margin-top: 1px;
}

.contact-field-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--bs-secondary-color, #6c757d);
    line-height: 1.1;
    margin-bottom: 0.1rem;
}

.contact-field-value {
    font-size: 0.9rem;
    color: var(--bs-body-color);
    line-height: 1.4;
    word-break: break-word;
}

.contact-field-value a {
    color: var(--bs-primary);
    text-decoration: none;
}

.contact-field-value a:hover {
    text-decoration: underline;
}

[data-bs-theme="dark"] .contact-card-hero {
    background: linear-gradient(135deg, color-mix(in srgb, var(--cc-accent, #0d6efd) 80%, #000) 0%, color-mix(in srgb, var(--cc-accent, #0d6efd) 50%, #000) 100%);
}

[data-bs-theme="dark"] .contact-field-icon {
    background: var(--bs-secondary-bg);
}

/* ── Skeleton loader ─────────────────────────── */

@keyframes skeleton-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-block {
    background: linear-gradient(90deg,
        var(--bs-secondary-bg, #e9ecef) 25%,
        var(--bs-tertiary-bg,  #f8f9fa) 50%,
        var(--bs-secondary-bg, #e9ecef) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.4s ease-in-out infinite;
    border-radius: 4px;
}

/* ── Name truncation in tables ───────────────── */

.cell-truncate {
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* GHS hazard pictograms (SDS module) shown beside item names and in safety sections */
.ghs-pictogram {
    flex-shrink: 0;
    vertical-align: middle;
    border-radius: 3px;
}
/* The pictograms are red/white/black diamonds; on dark backgrounds give them a light chip so
   the white interior and black symbol stay legible. */
[data-bs-theme="dark"] .ghs-pictogram {
    background: #fff;
    padding: 1px;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, .15);
}

/* ── Dark mode table-warning (bump opacity) ──── */

[data-bs-theme="dark"] .table-warning {
    --bs-table-color:        #fff;
    --bs-table-bg:           rgba(255, 193, 7, 0.28);
    --bs-table-border-color: rgba(255, 193, 7, 0.38);
}

/* ── Light theme: legible warning (amber) ──── */
/* Bootstrap's warning yellow (#ffc107) is nearly invisible on white backgrounds.
   Darken text, borders, and outline-buttons to a readable amber in light mode. */
html:not([data-bs-theme="dark"]) .text-warning {
    color: var(--bs-warning-text-emphasis) !important;
}

html:not([data-bs-theme="dark"]) .border-warning {
    border-color: #c79100 !important;
}

html:not([data-bs-theme="dark"]) .btn-outline-warning {
    --bs-btn-color:               #8a6116;
    --bs-btn-border-color:        #c79100;
    --bs-btn-bg:                  #fff9e9;
    --bs-btn-hover-color:         #000;
    --bs-btn-hover-bg:            #ffc107;
    --bs-btn-hover-border-color:  #e0a800;
    --bs-btn-active-color:        #000;
    --bs-btn-active-bg:           #ffc107;
    --bs-btn-active-border-color: #e0a800;
}

/* UPC product lookup modal */
.upc-result-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    flex-shrink: 0;
    border-radius: 4px;
    border: 1px solid var(--bs-border-color);
    padding: 4px;
    background: #fff;
}
.upc-result-img-placeholder {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    border: 1px solid var(--bs-border-color);
    background: var(--bs-tertiary-bg);
}