/* =============================================================================
   style.css — Nitro Chain Warehouse Management System
   All app styles consolidated. Organised by:
     1. CSS Variables & Reset
     2. Base / global
     3. Home page
     4. Scanner (lookup)
     5. Order picking
     6. Bin search
   ============================================================================= */

/* =============================================================================
   CSS VARIABLES & RESET
   ============================================================================= */

   :root {
    --brand-yellow:      #f6cc23;
    --brand-yellow-dark: #d4a800;
    --brand-black:       #111111;
    --brand-dark:        #1a1a1a;
    --brand-gray:        #2b2b2b;
    --brand-mid:         #444444;
    --brand-light:       #f0f0f0;
    --brand-white:       #ffffff;
    --brand-success:     #22c55e;
    --brand-danger:      #ef4444;
    --brand-info:        #3b82f6;
  
    --font-display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
    --font-body:    'Barlow', Arial, sans-serif;
  
    /* Touch-friendly sizing for scanner devices */
    --tap-target:    48px;
    --border-radius: 6px;
  }
  
  *, *::before, *::after { box-sizing: border-box; }
  
  body {
    font-family: var(--font-body);
    background-color: var(--brand-black);
    color: var(--brand-light);
    min-height: 100vh;
    padding-bottom: env(safe-area-inset-bottom);
  }
  
  /* =============================================================================
     1. BASE / GLOBAL
     ============================================================================= */
  
  /* ── Navbar ──────────────────────────────────────────────────────────────── */
  .navbar-nitro {
    background-color: var(--brand-yellow);
    border-bottom: 3px solid var(--brand-yellow-dark);
    padding: 0 1rem;
    min-height: 56px;
  }
  .navbar-nitro .navbar-brand {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--brand-black) !important;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .navbar-nitro .nav-link {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--brand-black) !important;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.75rem 0.85rem !important;
    min-height: var(--tap-target);
    display: flex;
    align-items: center;
  }
  .navbar-nitro .nav-link:hover,
  .navbar-nitro .nav-link.active {
    background-color: rgba(0,0,0,0.12);
    border-radius: var(--border-radius);
  }
  .navbar-toggler {
    border: 2px solid var(--brand-black);
    border-radius: var(--border-radius);
    min-width: var(--tap-target);
    min-height: var(--tap-target);
    color: var(--brand-black) !important;
  }
  
  /* ── Main content ────────────────────────────────────────────────────────── */
  main { padding-top: 1.5rem; padding-bottom: 2rem; }
  
  /* ── Cards ───────────────────────────────────────────────────────────────── */
  .card {
    background-color: var(--brand-dark);
    border: 1px solid var(--brand-gray);
    border-radius: var(--border-radius);
    color: var(--brand-light);
  }
  .card-header-nitro {
    background-color: var(--brand-yellow);
    color: var(--brand-black);
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.75rem 1.25rem;
    border-bottom: 2px solid var(--brand-yellow-dark);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
  }
  
  /* ── Alerts ──────────────────────────────────────────────────────────────── */
  .alert {
    border-radius: var(--border-radius);
    font-weight: 500;
    border-left: 4px solid currentColor;
  }
  .alert-success { background-color: rgba(34,197,94,0.15);  color: #86efac;             border-color: var(--brand-success); }
  .alert-danger  { background-color: rgba(239,68,68,0.15);   color: #fca5a5;             border-color: var(--brand-danger);  }
  .alert-warning { background-color: rgba(246,204,35,0.15);  color: var(--brand-yellow); border-color: var(--brand-yellow);  }
  .alert-info    { background-color: rgba(59,130,246,0.15);  color: #93c5fd;             border-color: var(--brand-info);    }
  
  /* ── Buttons ─────────────────────────────────────────────────────────────── */
  .btn {
    font-family: var(--font-body);
    font-weight: 600;
    letter-spacing: 0.04em;
    border-radius: var(--border-radius);
    min-height: var(--tap-target);
    padding: 0.55rem 1.25rem;
    transition: filter 0.15s, transform 0.1s;
  }
  .btn:active { transform: scale(0.97); }
  
  .btn-brand { background-color: var(--brand-yellow); color: var(--brand-black); border: none; }
  .btn-brand:hover { background-color: var(--brand-yellow-dark); color: var(--brand-black); }
  
  .btn-success { background-color: var(--brand-success); border-color: var(--brand-success); color: #fff; }
  .btn-danger  { background-color: var(--brand-danger);  border-color: var(--brand-danger);  color: #fff; }
  
  /* ── Form controls ───────────────────────────────────────────────────────── */
  .form-control,
  .form-select {
    background-color: var(--brand-gray);
    color: var(--brand-white);
    border: 1px solid var(--brand-mid);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    min-height: var(--tap-target);
    font-size: 1rem;
  }
  .form-control:focus,
  .form-select:focus {
    background-color: var(--brand-gray);
    color: var(--brand-white);
    border-color: var(--brand-yellow);
    box-shadow: 0 0 0 3px rgba(246,204,35,0.25);
  }
  .form-control::placeholder { color: var(--brand-mid); }
  .form-label {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #aaa;
  }
  
  /* ── Modals ──────────────────────────────────────────────────────────────── */
  .modal-content {
    background-color: var(--brand-dark);
    color: var(--brand-light);
    border: 1px solid var(--brand-gray);
    border-radius: var(--border-radius);
  }
  .modal-footer { border-top: 1px solid var(--brand-gray); }
  .modal-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  
  /* ── Dropdowns ───────────────────────────────────────────────────────────── */
  .dropdown-menu {
    background-color: #222;
    border: 1px solid var(--brand-gray);
    min-width: 180px;
  }
  .dropdown-item-text {
    font-size: 0.82rem;
    color: #bbb;
    padding: 0.4rem 0.85rem;
    font-family: var(--font-body);
  }
  .dropdown-item-text strong { color: var(--brand-white); }
  
  /* ── Shared empty state ──────────────────────────────────────────────────── */
  .empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: #555;
  }
  .empty-state i {
    font-size: 3rem;
    color: #333;
    margin-bottom: 0.75rem;
    display: block;
  }
  .empty-state p { font-size: 0.95rem; margin: 0; }
  
  /* ── Utility ─────────────────────────────────────────────────────────────── */
  .text-brand { color: var(--brand-yellow) !important; }
  .bg-brand   { background-color: var(--brand-yellow) !important; }
  
  /* ── Global responsive ───────────────────────────────────────────────────── */
  @media (max-width: 576px) {
    main { padding-top: 1rem; }
    .btn-lg { font-size: 1rem; padding: 0.65rem 1rem; }
  }
  
  
  /* =============================================================================
     2. HOME PAGE
     ============================================================================= */
  
  .home-wrap {
    max-width: 860px;
    margin: 0 auto;
    padding: 2.5rem 1rem 3rem;
  }
  
  .hero { text-align: center; margin-bottom: 3rem; }
  .hero-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background-color: var(--brand-yellow);
    border-radius: 16px;
    margin-bottom: 1.25rem;
  }
  .hero-logo i { font-size: 2rem; color: var(--brand-black); }
  .hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 2.8rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--brand-yellow);
    margin: 0 0 0.4rem;
  }
  .hero p {
    font-size: 0.95rem;
    color: #666;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
  }
  
  .cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.25rem;
  }
  
  .module-card {
    display: flex;
    flex-direction: column;
    background-color: var(--brand-dark);
    border: 1px solid var(--brand-gray);
    border-radius: var(--border-radius);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s, transform 0.15s;
  }
  .module-card:hover {
    border-color: var(--brand-yellow);
    transform: translateY(-3px);
    color: inherit;
    text-decoration: none;
  }
  .module-card:active { transform: translateY(0); }
  
  .module-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--brand-gray);
  }
  .module-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 10px;
    flex-shrink: 0;
    font-size: 1.4rem;
  }
  .module-icon-yellow { background-color: rgba(246,204,35,0.15); color: var(--brand-yellow); }
  .module-icon-green  { background-color: rgba(34,197,94,0.12);  color: var(--brand-success); }
  .module-icon-blue   { background-color: rgba(125,211,252,0.12); color: #7dd3fc; }
  
  .module-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--brand-white);
    margin: 0;
  }
  .module-subtitle {
    font-size: 0.78rem;
    color: #666;
    margin: 0.15rem 0 0;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .module-card-body { padding: 1.25rem 1.5rem; flex: 1; }
  
  .feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
  }
  .feature-list li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.88rem;
    color: #fff;
    font-weight: 500;
  }
  .feature-list i { font-size: 0.75rem; flex-shrink: 0; }
  
  .module-card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--brand-gray);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .footer-cta {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    display: flex;
    align-items: center;
    gap: 0.4rem;
  }
  .footer-cta-yellow { color: var(--brand-yellow); }
  .footer-cta-green  { color: var(--brand-success); }
  .footer-cta-blue   { color: #7dd3fc; }
  
  .footer-arrow { transition: transform 0.2s; }
  .module-card:hover .footer-arrow { transform: translateX(4px); }
  
  @media (max-width: 576px) {
    .home-wrap { padding: 1.5rem 0.75rem 2rem; }
    .hero { margin-bottom: 2rem; }
    .cards-grid { grid-template-columns: 1fr; }
  }
  
  
  /* =============================================================================
     3. SCANNER (LOOKUP)
     ============================================================================= */
  
  .scanner-wrap { max-width: 680px; margin: 0 auto; }
  
  .scan-input-group { display: flex; gap: 0.5rem; }
  .scan-input-group .form-control {
    font-size: 1.15rem;
    font-family: var(--font-body);
    font-weight: 500;
  }
  .scan-input-group .btn { white-space: nowrap; min-width: 90px; }
  
  .result-card {
    border: 1px solid var(--brand-gray);
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: var(--brand-dark);
    animation: slideUp 0.2s ease;
  }
  @keyframes slideUp {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  
  .data-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--brand-gray);
    gap: 1rem;
  }
  .data-row:last-child { border-bottom: none; }
  
  .data-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: #f6cc23;
    white-space: nowrap;
  }
  .data-value {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--brand-white);
    text-align: right;
    word-break: break-word;
  }
  .data-value.large { font-size: 1.5rem; color: var(--brand-yellow); }
  .data-value.bin   { font-size: 1.3rem; color: #7dd3fc; }
  
  .section-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #fff;
    padding: 0.5rem 0 0.25rem;
    margin-top: 0.25rem;
    border-top: 1px solid var(--brand-gray);
  }
  
  .action-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-top: 1rem;
  }
  .action-row .btn {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 52px;
  }
  
  .btn-edit-bin {
    background: none;
    border: 1px solid #fff;
    color: #fff;
    border-radius: var(--border-radius);
    padding: 0.2rem 0.45rem;
    font-size: 0.98rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    transition: border-color 0.15s, color 0.15s;
    flex-shrink: 0;
  }
  .btn-edit-bin:hover { border-color: #f6cc23; color: #f6cc23; }
  
  .modal-header-success { background-color: var(--brand-success); color: #fff; }
  .modal-header-danger  { background-color: var(--brand-danger);  color: #fff; }
  .modal-header-bin     { background-color: #1a3a4a; border-bottom: 2px solid #7dd3fc; }
  .modal-header-bin .modal-title { color: #7dd3fc; }
  
  /* Mode toggle */
  .scanner-toggle {
    display: flex;
    background: var(--brand-gray);
    border: 1px solid var(--brand-mid);
    border-radius: 999px;
    padding: 3px;
    gap: 3px;
  }
  .scanner-toggle-btn {
    flex: 1;
    text-align: center;
    padding: 0.45rem 1rem;
    border-radius: 999px;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #666;
    text-decoration: none;
    transition: background-color 0.15s, color 0.15s;
  }
  .scanner-toggle-btn:hover { color: #aaa; text-decoration: none; }
  .scanner-toggle-btn.active {
    background-color: var(--brand-yellow);
    color: var(--brand-black);
  }
  
  /* Manual keyboard entry button */
  .btn-manual-entry {
    background: none;
    border: none;
    color: #555;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.2rem 0.5rem;
    border-radius: var(--border-radius);
    transition: color 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    letter-spacing: 0.02em;
  }
  .btn-manual-entry:hover { color: #aaa; }
  .btn-manual-entry i { font-size: 0.85rem; }
  
  /* Live quantity preview under modal inputs */
  .qty-preview {
    font-size: 0.82rem;
    color: #888;
    margin-top: 0.4rem;
    padding: 0.35rem 0.65rem;
    background-color: #222;
    border-radius: var(--border-radius);
    border-left: 3px solid var(--brand-mid);
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }
  .qty-preview strong {
    font-family: var(--font-display);
    font-size: 1.05rem;
    letter-spacing: 0.04em;
    margin-left: 0.2rem;
  }
  
  .qty-input {
    font-size: 1.4rem !important;
    font-weight: 700 !important;
    text-align: center;
    min-height: 58px !important;
    letter-spacing: 0.05em;
  }
  .bin-input {
    font-family: var(--font-display) !important;
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    min-height: 58px !important;
    color: #7dd3fc !important;
  }
  
  @media (max-width: 576px) {
    .result-card .card-body { padding: 0.85rem; }
    .data-value.large { font-size: 1.3rem; }
  }
  
  
  /* =============================================================================
     4. ORDER PICKING
     ============================================================================= */
  
  .picking-wrap { max-width: 960px; margin: 0 auto; }
  
  .page-header { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1.25rem; }
  .page-header h1 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--brand-yellow);
    margin: 0;
  }
  
  .order-pills-wrap {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1rem;
    min-height: 36px;
  }
  
  .orders-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #666;
    white-space: nowrap;
    flex-shrink: 0;
  }
  
  .order-pills-scroll {
    display: flex;
    gap: 0.4rem;
    overflow-x: auto;
    flex: 1;
    padding-bottom: 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--brand-gray) transparent;
  }
  .order-pills-scroll::-webkit-scrollbar { height: 3px; }
  .order-pills-scroll::-webkit-scrollbar-track { background: transparent; }
  .order-pills-scroll::-webkit-scrollbar-thumb {
    background-color: var(--brand-gray);
    border-radius: 999px;
  }
  
  .order-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background-color: var(--brand-gray);
    border: 1px solid var(--brand-mid);
    border-radius: 999px;
    padding: 0.2rem 0.5rem 0.2rem 0.7rem;
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--brand-white);
    white-space: nowrap;
    flex-shrink: 0;
    cursor: pointer;
    background: none;
    background-color: var(--brand-gray);
    transition: border-color 0.15s, background-color 0.15s;
  }
  .order-pill:hover {
    border-color: var(--brand-danger);
    background-color: rgba(239,68,68,0.12);
    color: var(--brand-white);
  }
  
  .scan-bar { display: flex; gap: 0.5rem; margin-bottom: 1.5rem; }
  .scan-bar .form-control { font-size: 1.1rem; font-weight: 500; }
  .scan-bar .btn { white-space: nowrap; min-width: 110px; }
  
  .section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.7rem 1rem;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
  }
  .section-header h2 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  .section-header-pending  { background-color: #2a2000; border-bottom: 2px solid var(--brand-yellow); }
  .section-header-complete { background-color: #0f2a15; border-bottom: 2px solid var(--brand-success); }
  .section-header-pending h2  { color: var(--brand-yellow); }
  .section-header-complete h2 { color: #86efac; }
  
  .count-badge {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 999px;
    padding: 0.2rem 0.55rem;
    letter-spacing: 0;
  }
  .count-badge-pending  { background-color: var(--brand-yellow); color: var(--brand-black); }
  .count-badge-complete { background-color: var(--brand-success); color: #fff; }
  
  .pick-table { width: 100%; border-collapse: collapse; }
  .pick-table th {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #666;
    padding: 0.55rem 0.85rem;
    border-bottom: 1px solid var(--brand-gray);
    background-color: #161616;
    white-space: nowrap;
  }
  .pick-table td {
    padding: 0.7rem 0.85rem;
    border-bottom: 1px solid #222;
    vertical-align: middle;
    color: var(--brand-light);
    font-size: 0.92rem;
  }
  .pick-table tbody tr:last-child td { border-bottom: none; }
  .pick-table tbody tr:hover td { background-color: #1e1e1e; }
  
  .item-code {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--brand-white);
    line-height: 1.2;
  }
  .item-desc {
    font-size: 0.75rem;
    color: #888;
    margin-top: 0.1rem;
    font-weight: 500;
    font-style: italic;
  }
  
  .qty-badge {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--brand-black);
    white-space: nowrap;
    background-color: var(--brand-yellow);
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    letter-spacing: 0.03em;
    display: inline-block;
    min-width: 2.2rem;
    text-align: center;
    line-height: 1.4;
  }
  /* More bins button */
  .btn-more-bins {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #1a2a3a;
    border: 1px solid #7dd3fc;
    border-radius: 999px;
    color: #7dd3fc;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0.1rem 0.45rem;
    cursor: pointer;
    margin-left: 0.35rem;
    vertical-align: middle;
    white-space: nowrap;
    transition: background-color 0.15s;
    line-height: 1.4;
  }
  .btn-more-bins:hover {
    background: #243a4a;
  }
  
  .bin-value {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: #7dd3fc;
    letter-spacing: 0.02em;
  }
  
  /* See Orders toggle button */
  .btn-see-orders {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: none;
    border: 1px solid var(--brand-mid);
    border-radius: var(--border-radius);
    color: #aaa;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.3rem 0.65rem;
    min-height: 34px;
    cursor: pointer;
    white-space: nowrap;
    transition: border-color 0.15s, color 0.15s;
  }
  .btn-see-orders:hover,
  .btn-see-orders.active {
    border-color: var(--brand-yellow);
    color: var(--brand-yellow);
  }
  
  /* Orders detail chips (used in modal) */
  .orders-detail-cell {
    padding: 0.45rem 1rem !important;
    border-bottom: 1px solid var(--brand-yellow) !important;
  }
  .orders-detail-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
  }
  .order-detail-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background-color: #202020;
    border: 1px solid #383838;
    border-radius: 4px;
    padding: 0.15rem 0.5rem;
    font-size: 0.75rem;
  }
  .order-detail-id {
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    color: #ccc;
    letter-spacing: 0.02em;
  }
  .order-detail-divider {
    color: #555;
    font-size: 0.65rem;
  }
  .order-detail-qty-val {
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--brand-yellow);
  }
  
  .btn-pick {
    background-color: transparent;
    border: 2px solid var(--brand-success);
    color: var(--brand-success);
    font-size: 0.82rem;
    font-weight: 700;
    padding: 0.35rem 0.9rem;
    min-height: 38px;
    letter-spacing: 0.05em;
    border-radius: var(--border-radius);
    white-space: nowrap;
    transition: background-color 0.15s, color 0.15s, transform 0.1s;
  }
  .btn-pick:hover  { background-color: var(--brand-success); color: #fff; }
  .btn-pick:active { transform: scale(0.96); }
  
  .btn-unpick {
    background: none;
    border: 2px solid #fff;
    color: #fff;
    border-radius: var(--border-radius);
    padding: 0.3rem 0.55rem;
    min-height: 34px;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: border-color 0.15s, color 0.15s;
  }
  .btn-unpick:hover { border-color: var(--brand-yellow); color: var(--brand-yellow); }
  
  .btn-complete {
    background-color: var(--brand-yellow);
    color: var(--brand-black);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: none;
    padding: 0.55rem 1.4rem;
    border-radius: var(--border-radius);
    min-height: var(--tap-target);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: background-color 0.15s, transform 0.1s;
  }
  .btn-complete:hover  { background-color: var(--brand-yellow-dark); color: var(--brand-black); }
  .btn-complete:active { transform: scale(0.97); }
  
  .picked-row td { opacity: 0.6; }
  .picked-time { font-size: 0.8rem; color: #555; font-variant-numeric: tabular-nums; }
  
  .picking-wrap .empty-state { padding: 3.5rem 1rem; border: 2px dashed #2a2a2a; }
  
  @media (max-width: 640px) {
    .pick-table thead { display: none; }
    .pick-table tr {
      display: block;
      border: 1px solid var(--brand-gray);
      border-radius: var(--border-radius);
      margin-bottom: 0.75rem;
      background-color: var(--brand-dark);
      padding: 0.75rem;
    }
    .pick-table td {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0.35rem 0;
      border-bottom: none;
      font-size: 0.88rem;
    }
    .pick-table td::before {
      content: attr(data-label);
      font-size: 0.7rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.07em;
      color: #555;
      flex-shrink: 0;
      margin-right: 0.5rem;
    }
    .qty-badge { font-size: 1rem; padding: 0.15rem 0.5rem; }
    .section-header { flex-wrap: wrap; gap: 0.5rem; }
  }
  
  
  /* =============================================================================
     5. BIN SEARCH
     ============================================================================= */
  
  .bin-results { width: 100%; }
  
  .bin-result-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid #222;
    transition: background-color 0.15s;
  }
  .bin-result-row:last-child { border-bottom: none; }
  .bin-result-row:hover { background-color: #1e1e1e; }
  
  .bin-result-info { flex: 1; min-width: 0; }
  
  .bin-result-code {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--brand-white);
    line-height: 1.2;
  }
  .bin-result-desc {
    font-size: 0.8rem;
    color: #fff;
    font-weight: 500;
    font-style: italic;
    margin-top: 0.15rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .bin-result-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.4rem;
  }
  .bin-result-qty {
    font-size: 0.8rem;
    color: #aaa;
  }
  .bin-result-qty strong {
    color: var(--brand-yellow);
    font-family: var(--font-display);
    font-size: 1rem;
  }
  .bin-result-location {
    font-size: 0.8rem;
    color: #7dd3fc;
    font-family: var(--font-display);
  }
  
  .bin-result-action { flex-shrink: 0; }
  
  @media (max-width: 576px) {
    .bin-result-row { flex-wrap: wrap; }
    .bin-result-action { width: 100%; }
    .bin-result-action .btn-edit-bin { width: 100%; justify-content: center; }
  }