/* ══════════════════════════════════════════
       BUTTONS
    ══════════════════════════════════════════ */
    .btn{
      padding:8px 18px;border-radius:var(--r);border:none;cursor:pointer;
      font-family:'Inter',sans-serif;font-size:13px;font-weight:500;
      transition:all .18s;white-space:nowrap;
      display:inline-flex;align-items:center;gap:6px;letter-spacing:.1px;
    }
    .btn-gold{
      background:var(--gold-grad);color:#fff;
      box-shadow:0 2px 10px rgba(120,88,10,.30),0 1px 0 rgba(255,255,255,.15) inset;
    }
    .btn-gold:hover{box-shadow:0 4px 20px rgba(120,88,10,.40);filter:brightness(1.07);transform:translateY(-1px)}
    .btn-gold:active{transform:translateY(0);filter:brightness(.97)}
    .btn-outline{
      background:var(--surface);
      border:1.5px solid var(--border);color:var(--ink2);
      box-shadow:var(--sh1);
    }
    .btn-outline:hover{border-color:var(--g3);color:var(--g1);background:var(--g6);box-shadow:var(--sh-gold)}
    .btn-sm{padding:5px 12px;font-size:12px}
    .btn-red{background:transparent;border:1.5px solid #F0C0C0;color:var(--red)}
    .btn-red:hover{background:#FFF5F5;border-color:#D09090;box-shadow:0 2px 10px rgba(180,50,34,.12)}
    .ep-btn{
      background:var(--bg);border:1px solid var(--border);
      border-radius:8px;padding:3px 7px;font-size:18px;
      cursor:pointer;line-height:1;transition:all .14s;
    }
    .ep-btn:hover{background:var(--g5);border-color:var(--g3);box-shadow:0 2px 8px rgba(150,112,10,.12)}
    .btn-green{background:var(--green);color:#fff;box-shadow:0 2px 10px rgba(26,107,58,.25)}
    .btn-green:hover{filter:brightness(1.1);transform:translateY(-1px)}
    .btn-blue{background:var(--blue);color:#fff;box-shadow:0 2px 10px rgba(26,56,128,.25)}
    .btn-blue:hover{filter:brightness(1.1);transform:translateY(-1px)}
    .btn-wa{background:#25D366;color:#fff;box-shadow:0 2px 8px rgba(37,211,102,.25)}
    .btn-wa:hover{background:#1DBE5D;transform:translateY(-1px)}
    .btn-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

    /* ══════════════════════════════════════════
       FORMS
    ══════════════════════════════════════════ */
    .fg{display:flex;flex-direction:column;gap:4px}
    .fg label{
      font-size:10px;text-transform:uppercase;letter-spacing:.8px;
      color:var(--ink3);font-weight:600;
    }
    .fg input,.fg select,.fg textarea{
      border:1.5px solid var(--border);
      border-radius:var(--r);padding:8px 12px;
      font-family:'Inter',sans-serif;font-size:13px;
      color:var(--ink);background:var(--surface);
      outline:none;transition:border .15s,box-shadow .15s,background .15s;width:100%;
      box-shadow:0 1px 3px rgba(60,40,0,.04) inset;
    }
    .fg input:focus,.fg select:focus,.fg textarea:focus{
      border-color:var(--g2);
      box-shadow:0 0 0 3px rgba(196,149,32,.14),0 1px 3px rgba(60,40,0,.04) inset;
      background:var(--g6);
    }
    .fg input[readonly]{background:var(--bg);color:var(--ink2);font-weight:600}
    .fg input.computed{
      background:var(--g5);border-color:var(--g3);
      color:var(--g1);font-weight:700;
    }
    .grid{display:grid;gap:10px}
    .g2{grid-template-columns:1fr 1fr}
    .g3{grid-template-columns:1fr 1fr 1fr}
    .g4{grid-template-columns:1fr 1fr 1fr 1fr}

    /* ══════════════════════════════════════════
       CARDS
    ══════════════════════════════════════════ */
    .card{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--r2);
      padding:18px;
      box-shadow:var(--sh1);
      transition:box-shadow .2s;
    }
    .card:hover{box-shadow:var(--sh2)}
    .section-title{
      font-family:'Playfair Display',serif;
      font-size:16px;font-weight:500;margin-bottom:14px;color:var(--ink);
      letter-spacing:.2px;
    }

    /* ══════════════════════════════════════════
       TABLE
    ══════════════════════════════════════════ */
    .tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r2);border:1px solid var(--border);box-shadow:var(--sh1)}
    table{width:100%;border-collapse:collapse;font-size:13px}
    thead{background:var(--bg)}
    th{
      text-align:left;font-size:10px;text-transform:uppercase;
      letter-spacing:1px;color:var(--ink3);font-weight:700;
      padding:10px 14px;border-bottom:1.5px solid var(--border);white-space:nowrap;
      background:var(--bg);
    }
    td{padding:10px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
    tr:last-child td{border-bottom:none}
    tbody tr:hover td{background:var(--g6)}
    tbody tr:hover{transition:background .12s}

    /* ══════════════════════════════════════════
       BADGES
    ══════════════════════════════════════════ */
    .badge{
      display:inline-flex;align-items:center;
      padding:3px 10px;border-radius:20px;
      font-size:11px;font-weight:600;white-space:nowrap;letter-spacing:.2px;
    }
    .b-gold{background:var(--g5);color:var(--g1);border:1px solid var(--g4)}
    .b-silver{background:#F4F3F1;color:#4A4540;border:1px solid #DDD8D0}
    .b-ok{background:#E6F4ED;color:#155C30;border:1px solid #B8DFCA}
    .b-danger{background:#FCECEA;color:#9B2418;border:1px solid #F0BDB8}
    .b-pending{background:#FFF6E0;color:#7A5000;border:1px solid #F0D890}
    .b-info{background:#E8EEFB;color:#1A3A80;border:1px solid #B8CCF4}
    .b-repair{background:#FEF0E6;color:#7A3800;border:1px solid #F0C9A0}
    .b-done{background:#F0EEE8;color:#5C5448;border:1px solid #D8D2C4}
    .b-order{background:#F2EAFB;color:#521A8A;border:1px solid #D4B8F0}

    /* ══════════════════════════════════════════
       STATS
    ══════════════════════════════════════════ */
    .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
    .stat{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--r2);
      padding:18px 20px 16px;
      position:relative;overflow:hidden;
      box-shadow:var(--sh1);
      transition:box-shadow .22s,transform .22s;
    }
    .stat:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
    .stat::before{
      content:'';position:absolute;top:0;left:0;right:0;height:3px;
      background:var(--border);border-radius:var(--r2) var(--r2) 0 0;
    }
    .stat.s-gold::before{background:var(--gold-grad)}
    .stat::after{
      content:'';position:absolute;bottom:-20px;right:-20px;
      width:80px;height:80px;border-radius:50%;
      background:radial-gradient(circle,rgba(196,149,32,.06) 0%,transparent 70%);
    }
    .stat.s-gold::after{background:radial-gradient(circle,rgba(196,149,32,.10) 0%,transparent 70%)}
    .stat .sl{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--ink3);font-weight:600}
    .stat .sv{
      font-family:'Playfair Display',serif;font-size:26px;
      font-weight:600;color:var(--ink);margin-top:6px;letter-spacing:-.5px;
    }
    .stat.s-gold .sv{color:var(--g1)}
    .stat .ss{font-size:11px;color:var(--ink3);margin-top:3px}

    /* ══════════════════════════════════════════
       BILLING
    ══════════════════════════════════════════ */
    .bill-layout{display:grid;grid-template-columns:1fr 316px;gap:14px;align-items:start}
    .sticky-sum{position:sticky;top:0}
    .sum-row{
      display:flex;justify-content:space-between;align-items:center;
      padding:7px 0;border-bottom:1px solid var(--border);font-size:13px;
    }
    .sum-row:last-child{border-bottom:none}
    .sum-row.grand{font-weight:600;font-size:15px;padding:11px 0}
    .sum-row.grand span:last-child{
      font-family:'Playfair Display',serif;font-size:24px;color:var(--g1);
    }
    .sum-input{
      width:68px;border:1.5px solid var(--border);border-radius:8px;
      padding:3px 8px;font-size:12px;text-align:right;
      font-family:'Inter',sans-serif;outline:none;transition:border .15s;
    }
    .sum-input:focus{border-color:var(--g2);box-shadow:0 0 0 3px rgba(212,168,67,.1)}

    /* ══════════════════════════════════════════
       ITEM PRICE BOX
    ══════════════════════════════════════════ */
    .price-breakdown{
      background: var(--g5);
      border: 1px solid var(--g4);
      border-radius: var(--r);
      padding: 10px 12px;
      margin-top: 8px;
      font-size: 12px
    }

    .price-breakdown .pb-row {
      display: flex;
      justify-content: space-between;
      padding: 2px 0;
      color: var(--ink2)
    }

    .price-breakdown .pb-total {
      display: flex;
      justify-content: space-between;
      padding: 5px 0 0;
      margin-top: 4px;
      border-top: 1px solid var(--g4);
      font-weight: 700;
      color: var(--g1);
      font-size: 13px
    }

    /* AUTOCOMPLETE */
    .ac-wrap {
      position: relative
    }

    .ac-list {
      position: absolute;
      top: calc(100% + 2px);
      left: 0;
      right: 0;
      z-index: 100;
      background: var(--surface);
      border: 1.5px solid var(--border2);
      border-radius: var(--r);
      box-shadow: 0 8px 24px rgba(0, 0, 0, .1);
      max-height: 160px;
      overflow-y: auto;
      display: none
    }

    .ac-list.open {
      display: block
    }

    .ac-item {
      padding: 7px 11px;
      font-size: 13px;
      cursor: pointer;
      transition: background .1s
    }

    .ac-item:hover {
      background: var(--g5);
      color: var(--g1)
    }

    /* TABS */
    .tabs {
      display: flex;
      gap: 3px;
      background: var(--bg2);
      border-radius: var(--r);
      padding: 3px;
      margin-bottom: 14px;
      width: fit-content;
      flex-wrap: wrap
    }

    .tab {
      padding: 5px 13px;
      border-radius: 6px;
      cursor: pointer;
      font-size: 12px;
      color: var(--ink3);
      transition: all .15s;
      white-space: nowrap
    }

    .tab.active {
      background: var(--surface);
      color: var(--ink);
      font-weight: 500;
      box-shadow: 0 1px 4px rgba(0, 0, 0, .08)
    }

    /* PROGRESS */
    .prog-bar {
      background: var(--bg2);
      border-radius: 4px;
      height: 5px;
      overflow: hidden;
      margin-top: 3px
    }

    .prog-fill {
      background: var(--g2);
      height: 100%;
      border-radius: 4px
    }

    /* MODAL */
    .modal-bg {
      position: fixed;
      inset: 0;
      background: rgba(14,12,8,.55);
      backdrop-filter: blur(4px);
      z-index: 500;
      display: none;
      align-items: flex-start;
      justify-content: center;
      padding: 20px;
      overflow-y: auto
    }

    .modal-bg.open {
      display: flex
    }

    .modal {
      background: var(--surface);
      border-radius: 20px;
      padding: 26px;
      width: 100%;
      max-width: 600px;
      margin: auto;
      box-shadow: var(--sh3);
      border: 1px solid var(--border);
    }

    .modal h3 {
      font-family: 'Playfair Display', serif;
      font-size: 18px;
      margin-bottom: 16px
    }

    .modal-foot {
      display: flex;
      gap: 8px;
      justify-content: flex-end;
      margin-top: 16px
    }

    /* DIVIDER */
    .divider {
      border: none;
      border-top: 1px solid var(--border);
      margin: 12px 0
    }

    /* TOAST */
    .toast {
      position: fixed;
      bottom: 24px;
      right: 24px;
      background: var(--ink);
      color: rgba(255,255,255,.92);
      padding: 11px 20px;
      border-radius: 12px;
      font-size: 13px;
      transform: translateY(80px);
      opacity: 0;
      transition: all .32s cubic-bezier(.22,.68,0,1.1);
      z-index: 9998;
      border-left: 3px solid var(--g2);
      max-width: 300px;
      box-shadow:0 8px 32px rgba(0,0,0,.28),0 2px 8px rgba(0,0,0,.18);
    }

    .toast.show {
      transform: translateY(0);
      opacity: 1
    }

    /* UPLOAD NOTIFICATION */
    #upload-notif {
      position: fixed;
      bottom: 24px;
      right: 24px;
      background: var(--surface);
      border: 1.5px solid var(--border);
      border-radius: 14px;
      box-shadow: 0 8px 32px rgba(0,0,0,.18), 0 2px 8px rgba(0,0,0,.10);
      padding: 14px 18px;
      z-index: 9997;
      min-width: 220px;
      max-width: 300px;
      display: none;
      align-items: center;
      gap: 12px;
      font-family: 'Inter', sans-serif;
      font-size: 13px;
      color: var(--ink);
      transform: translateY(20px);
      opacity: 0;
      transition: all .28s cubic-bezier(.22,.68,0,1.1);
    }
    #upload-notif.show {
      display: flex;
      transform: translateY(0);
      opacity: 1;
    }
    #upload-notif .un-icon { font-size: 20px; flex-shrink: 0; }
    #upload-notif .un-text { flex: 1; }
    #upload-notif .un-title { font-weight: 600; font-size: 13px; }
    #upload-notif .un-sub { font-size: 11px; color: var(--ink3); margin-top: 2px; }
    #upload-notif .un-spinner {
      width: 20px; height: 20px; flex-shrink: 0;
      border: 2.5px solid var(--border);
      border-top-color: var(--g1);
      border-radius: 50%;
      animation: un-spin .7s linear infinite;
    }

    /* EMPTY */
    .empty {
      text-align: center;
      padding: 32px;
      color: var(--ink3);
      font-size: 13px
    }

    /* CHIP */
    .chip {
      display: inline-flex;
      align-items: center;
      background: var(--bg2);
      border: 1px solid var(--border);
      border-radius: 4px;
      padding: 2px 7px;
      font-size: 11px;
      color: var(--ink3)
    }

    /* HIGHLIGHT BOX */
    .info-box {
      background: var(--g5);
      border: 1px solid var(--g4);
      border-radius: var(--r);
      padding: 10px 14px;
      font-size: 12px;
      color: var(--ink2);
      margin-bottom: 12px
    }

    .info-box strong {
      color: var(--g1)
    }

    /* RESPONSIVE */
    @media(max-width:900px) {
      .bill-layout {
        grid-template-columns: 1fr
      }

      .sticky-sum {
        position: static
      }
    }

    /* ── CATALOG ── */
    .catalog-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
      gap: 16px
    }

    .catalog-card {
      background: var(--surface);
      border: 1.5px solid var(--border);
      border-radius: 14px;
      overflow: hidden;
      transition: box-shadow .2s, transform .2s;
      cursor: pointer;
      position: relative
    }

    .catalog-card:hover {
      box-shadow: 0 8px 24px rgba(0, 0, 0, .1);
      transform: translateY(-2px)
    }

    .catalog-card .cat-img {
      width: 100%;
      aspect-ratio: 1;
      object-fit: cover;
      background: var(--bg);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 48px;
      color: var(--g3);
      position: relative;
      overflow: hidden
    }

    .catalog-card .cat-body {
      padding: 12px
    }

    .catalog-card .cat-name {
      font-weight: 700;
      font-size: 14px;
      color: var(--ink1);
      margin-bottom: 2px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis
    }

    .catalog-card .cat-sub {
      font-size: 11px;
      color: var(--ink3);
      margin-bottom: 8px
    }

    .catalog-card .cat-price {
      font-size: 17px;
      font-weight: 700;
      color: var(--g1)
    }

    .catalog-card .cat-wt {
      font-size: 11px;
      color: var(--ink3);
      margin-top: 1px
    }

    .catalog-card .cat-status-badge {
      position: absolute;
      top: 10px;
      right: 10px;
      padding: 3px 8px;
      border-radius: 20px;
      font-size: 10px;
      font-weight: 700
    }

    .cs-available {
      background: #d4edda;
      color: #1a5c35
    }

    .cs-sold {
      background: #fde8e8;
      color: #c0392b
    }

    .cs-reserved {
      background: #fff3cd;
      color: #856404
    }

    .catalog-list-item {
      display: flex;
      gap: 14px;
      align-items: center;
      background: var(--surface);
      border: 1.5px solid var(--border);
      border-radius: 12px;
      padding: 12px;
      margin-bottom: 8px;
      cursor: pointer;
      transition: box-shadow .2s
    }

    .catalog-list-item:hover {
      box-shadow: 0 4px 12px rgba(0, 0, 0, .08)
    }

    .catalog-list-thumb {
      width: 64px;
      height: 64px;
      border-radius: 8px;
      object-fit: cover;
      background: var(--bg);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 28px;
      color: var(--g3);
      flex-shrink: 0;
      overflow: hidden;
      position: relative
    }

    .cat-chip {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      padding: 5px 10px;
      border: 1.5px solid var(--border);
      border-radius: 20px;
      font-size: 12px;
      font-weight: 500;
      cursor: pointer;
      background: var(--surface);
      color: var(--ink2);
      transition: all .15s;
      user-select: none
    }

    .cat-chip.selected {
      background: var(--g5);
      border-color: var(--g3);
      color: var(--g1);
      font-weight: 700
    }

    .cat-sort-btn {
      padding: 5px 12px;
      border: 1.5px solid var(--border);
      border-radius: 20px;
      font-size: 12px;
      font-weight: 500;
      cursor: pointer;
      background: var(--surface);
      color: var(--ink2);
      font-family: 'Inter', sans-serif;
      transition: all .15s
    }

    .cat-sort-btn.active-sort {
      background: var(--g5);
      border-color: var(--g3);
      color: var(--g1);
      font-weight: 700
    }

    .cat-pill {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      padding: 4px 10px;
      background: var(--g5);
      border: 1px solid var(--g3);
      border-radius: 20px;
      font-size: 11px;
      color: var(--g1);
      font-weight: 600
    }

    /* ── AI CHAT ── */
    .ai-msg {
      display: flex;
      gap: 10px;
      align-items: flex-start
    }

    .ai-msg-ai {
      flex-direction: row
    }

    .ai-msg-user {
      flex-direction: row-reverse
    }

    .ai-avatar {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      flex-shrink: 0;
      background: var(--g5);
      border: 1.5px solid var(--g3)
    }

    .ai-msg-user .ai-avatar {
      background: var(--ink);
      color: var(--g2)
    }

    .ai-bubble {
      max-width: 80%;
      padding: 11px 14px;
      border-radius: 14px;
      font-size: 13px;
      line-height: 1.6;
      word-break: break-word
    }

    .ai-msg-ai .ai-bubble {
      background: var(--surface);
      border: 1.5px solid var(--border);
      border-radius: 4px 14px 14px 14px
    }

    .ai-msg-user .ai-bubble {
      background: var(--g1);
      color: #fff;
      border-radius: 14px 4px 14px 14px
    }

    .ai-typing {
      display: flex;
      gap: 4px;
      align-items: center;
      padding: 12px 14px
    }

    .ai-dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--ink3);
      animation: aiDot 1.2s infinite
    }

    .ai-dot:nth-child(2) {
      animation-delay: .2s
    }

    .ai-dot:nth-child(3) {
      animation-delay: .4s
    }

    .ai-quick-btn {
      padding: 5px 12px;
      border: 1.5px solid var(--border);
      border-radius: 20px;
      background: var(--surface);
      color: var(--ink2);
      font-size: 12px;
      cursor: pointer;
      font-family: 'Inter', sans-serif;
      transition: all .15s;
      white-space: nowrap
    }

    .ai-quick-btn:hover {
      border-color: var(--g3);
      background: var(--g5);
      color: var(--g1)
    }

    .ai-error {
      background: #fff5f5;
      border: 1.5px solid #fbb;
      border-radius: 10px;
      padding: 10px 14px;
      font-size: 12px;
      color: #c0392b
    }

    .staff-locked {
      opacity: .7;
      cursor: not-allowed !important
    }

    .staff-locked .staff-avatar {
      background: #c0392b !important;
      color: #fff
    }

    /* ── Discount PIN numpad ── */
    .dp-btn {
      padding: 14px;
      border: 1.5px solid var(--border);
      border-radius: 10px;
      background: var(--bg);
      font-size: 18px;
      font-weight: 600;
      cursor: pointer;
      font-family: 'Inter', sans-serif;
      color: var(--ink1);
      transition: background .12s
    }

    .dp-btn:hover {
      background: var(--g5)
    }