:root {
    --bg:#0d0d0d; --surface:#181818; --card:#222;
    --accent:#00ff88; --accent2:#ff4444; --accent3:#3399ff;
    --yellow:#ffcc00; --text:#f0f0f0; --muted:#666; --border:#333;
  }
  * { box-sizing:border-box; margin:0; padding:0; }
  body { background:var(--bg); color:var(--text); font-family:'Space Mono',monospace; min-height:100vh; max-width:480px; margin:0 auto; padding:0 0 130px; }
  header { padding:16px 16px 10px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; }
  header h1 { font-family:'Unbounded',sans-serif; font-size:16px; font-weight:900; color:var(--accent); display:flex; align-items:center; gap:8px; }
  .logo-mark { width:20px; height:20px; background:#121212; border:1px solid var(--border); border-radius:5px; padding:3px; display:inline-flex; }
  .logo-grid { width:100%; height:100%; display:grid; grid-template-columns:1fr 1fr; gap:2px; }
  .logo-cell { background:var(--accent); border-radius:1px; }
  header span { font-size:11px; color:var(--muted); }
  .section-label { font-size:10px; letter-spacing:2px; color:var(--muted); text-transform:uppercase; padding:12px 16px 6px; }

  /* Tabs */
  .tabs { display:flex; border-bottom:1px solid var(--border); overflow-x:auto; }
  .tabs::-webkit-scrollbar { display:none; }
  .tab { padding:10px 12px; font-family:'Unbounded',sans-serif; font-size:9px; font-weight:700; color:var(--muted); cursor:pointer; border-bottom:2px solid transparent; transition:all .15s; white-space:nowrap; flex-shrink:0; }
  .tab.active { color:var(--accent); border-bottom-color:var(--accent); }
  .tab-content { display:none; }
  .tab-content.active { display:block; }

  /* Products */
  .products { display:grid; grid-template-columns:1fr 1fr; gap:8px; padding:0 16px; }
  .product-btn { background:var(--card); border:1px solid var(--border); border-radius:12px; padding:13px 12px; cursor:pointer; transition:all .15s; text-align:left; position:relative; overflow:hidden; }
  .product-btn:active { transform:scale(.97); border-color:var(--accent); background:#1a2a1f; }
  .product-btn .p-name { font-family:'Unbounded',sans-serif; font-size:11px; font-weight:700; color:var(--text); line-height:1.3; margin-bottom:5px; }
  .product-btn .p-price { font-size:13px; color:var(--accent); font-weight:700; }
  .product-btn .p-discount { font-size:9px; color:var(--yellow); margin-top:2px; }
  .product-btn .badge { position:absolute; top:9px; right:9px; background:var(--accent); color:#000; font-family:'Unbounded',sans-serif; font-size:11px; font-weight:900; width:22px; height:22px; border-radius:50%; display:flex; align-items:center; justify-content:center; opacity:0; transform:scale(.5); transition:all .2s; }
  .product-btn.in-cart .badge { opacity:1; transform:scale(1); }


  /* Cart */
  .cart-section { margin-top:4px; padding:0 16px; }
  .cart-items { background:var(--surface); border-radius:12px; overflow:hidden; border:1px solid var(--border); }
  .cart-item { display:flex; align-items:center; padding:11px 14px; border-bottom:1px solid var(--border); gap:8px; animation:slideIn .2s ease; }
  @keyframes slideIn { from{opacity:0;transform:translateX(-8px)} to{opacity:1;transform:translateX(0)} }
  .cart-item:last-child { border-bottom:none; }
  .cart-item-left { flex:1; min-width:0; }
  .ci-name { font-size:11px; color:var(--text); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
  .ci-unitprice { font-size:10px; color:var(--muted); margin-top:1px; }
  .ci-discount-tag { display:inline-block; font-size:9px; color:#000; background:var(--yellow); border-radius:4px; padding:1px 5px; margin-top:2px; font-family:'Unbounded',sans-serif; font-weight:700; }
  .qty-controls { display:flex; align-items:center; gap:8px; }
  .qty-btn { background:var(--card); border:1px solid var(--border); color:var(--text); width:28px; height:28px; border-radius:8px; font-size:16px; cursor:pointer; display:flex; align-items:center; justify-content:center; }
  .qty-btn:active { background:var(--border); }
  .qty-input { width:50px; height:28px; background:var(--card); border:1px solid var(--border); color:var(--text); border-radius:8px; font-family:'Unbounded',sans-serif; font-size:14px; font-weight:700; text-align:center; outline:none; padding:0 4px; }
  .qty-input:focus { border-color:var(--accent); }
  .qty-input::-webkit-outer-spin-button,
  .qty-input::-webkit-inner-spin-button { -webkit-appearance:none; margin:0; }
  .qty-input[type=number] { appearance:textfield; -moz-appearance:textfield; }
  .item-total { font-size:13px; font-weight:700; color:var(--accent); min-width:58px; text-align:right; }
  .cart-empty { padding:22px; text-align:center; color:var(--muted); font-size:12px; }

  /* Total bar */
  .total-bar { position:fixed; bottom:0; left:50%; transform:translateX(-50%); width:100%; max-width:480px; background:var(--surface); border-top:1px solid var(--border); padding:12px 16px; display:flex; align-items:center; gap:10px; z-index:50; }
  .total-amount { flex:1; }
  .total-label { font-size:10px; color:var(--muted); letter-spacing:1px; text-transform:uppercase; }
  .total-num { font-family:'Unbounded',sans-serif; font-size:22px; font-weight:900; color:var(--accent); line-height:1.1; }
  .total-currency { font-size:12px; color:var(--muted); }
  .sell-btn { background:var(--accent); color:#000; border:none; border-radius:12px; padding:13px 18px; font-family:'Unbounded',sans-serif; font-size:12px; font-weight:900; cursor:pointer; transition:all .15s; white-space:nowrap; }
  .sell-btn:active { transform:scale(.97); }
  .sell-btn:disabled { background:var(--border); color:var(--muted); cursor:not-allowed; }
  .clear-btn { background:transparent; border:1px solid var(--border); color:var(--muted); border-radius:10px; padding:13px 11px; font-size:13px; cursor:pointer; }

  /* Modal */
  .modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,.85); display:flex; align-items:flex-end; z-index:100; opacity:0; pointer-events:none; transition:opacity .2s; }
  .modal-overlay.open { opacity:1; pointer-events:all; }
  .modal { background:var(--surface); border-radius:20px 20px 0 0; padding:22px 20px 40px; width:100%; border-top:1px solid var(--border); transform:translateY(100%); transition:transform .3s ease; max-height:90vh; overflow-y:auto; }
  .modal-overlay.open .modal { transform:translateY(0); }
  .modal h3 { font-family:'Unbounded',sans-serif; font-size:13px; font-weight:700; margin-bottom:14px; color:var(--accent); }
  .modal input, .modal textarea, .modal select { width:100%; background:var(--card); border:1px solid var(--border); border-radius:10px; padding:11px 14px; color:var(--text); font-family:'Space Mono',monospace; font-size:18px; outline:none; resize:none; }
  .modal input:focus, .modal textarea:focus, .modal select:focus { border-color:var(--accent); }
  #edit-modal .modal input[type='text'],
  #edit-modal .modal input[type='number'],
  #edit-modal .modal textarea,
  #edit-modal .modal select { margin-bottom:8px; }
  .stock-toggle-row { display:flex; align-items:center; gap:8px; margin-bottom:8px; }
  .stock-toggle-row input[type='checkbox'] { width:16px; height:16px; margin:0; accent-color:var(--accent); }
  .stock-toggle-row span { font-size:12px; color:var(--text); }
  .modal-btns { display:flex; gap:8px; margin-top:6px; }
  .modal-btns button { flex:1; padding:13px; border-radius:10px; font-family:'Unbounded',sans-serif; font-size:11px; font-weight:700; cursor:pointer; border:none; }
  .btn-confirm { background:var(--accent); color:#000; }
  .btn-cancel { background:var(--card); color:var(--muted); border:1px solid var(--border) !important; }
  .btn-danger { background:var(--accent2); color:#fff; }

  /* Sell modal */
  #sell-modal { align-items:stretch; }
  #sell-modal .modal { border-radius:0; max-height:100vh; height:100%; padding-bottom:24px; }
  .sell-pay-row { display:flex; gap:6px; margin-bottom:12px; }
  .sell-pay-btn { flex:1; padding:10px; border-radius:10px; border:1px solid var(--border); background:var(--card); color:var(--muted); font-family:'Unbounded',sans-serif; font-size:10px; font-weight:700; cursor:pointer; text-align:center; }
  .sell-pay-btn.sel-cash { background:#1a2a10; border-color:var(--accent); color:var(--accent); }
  .sell-pay-btn.sel-card { background:#0d1a2a; border-color:var(--accent3); color:var(--accent3); }
  .sell-discount-row { display:flex; align-items:center; gap:6px; margin-bottom:10px; }
  .sell-disc-btn { height:36px; background:var(--card); border:1px solid var(--border); color:var(--text); border-radius:8px; padding:0 13px; font-family:'Unbounded',sans-serif; font-size:18px; font-weight:700; cursor:pointer; white-space:nowrap; flex-shrink:0; }
  .sell-disc-btn:active { background:var(--border); }
  .sell-disc-btn.reset { color:var(--muted); }
  .sell-disc-input { flex:1; min-width:0; height:36px; background:var(--card); border:1px solid var(--border); border-radius:8px; padding:0 10px; color:var(--text); font-family:'Space Mono',monospace; font-size:18px; text-align:center; outline:none; }
  .sell-disc-input:focus { border-color:var(--accent); }
  .sell-subtotal-row { font-size:11px; color:var(--muted); margin-bottom:6px; }
  .sell-subtotal-row span { color:var(--text); }
  .sell-final-total { font-family:'Unbounded',sans-serif; font-size:18px; font-weight:900; color:var(--accent); margin:6px 0 14px; }
  .sell-paid-input { width:100%; background:var(--card); border:1px solid var(--border); border-radius:10px; padding:12px 14px; color:var(--text); font-family:'Unbounded',sans-serif; font-size:18px; font-weight:700; outline:none; margin-bottom:8px; }
  .sell-paid-input:focus { border-color:var(--accent3); }
  .sell-change-display { font-family:'Unbounded',sans-serif; font-size:22px; font-weight:900; color:var(--yellow); margin-bottom:16px; }

  /* History */
  .history-section { padding:0 16px; margin-top:4px; }
  .history-filters { display:flex; gap:8px; padding:0 16px; margin-top:6px; align-items:flex-end; flex-wrap:wrap; }
  .history-date-field { flex:1; min-width:120px;  max-width: 160px;}
  .history-date-field input { width:100%; height:36px; background:var(--card); border:1px solid var(--border); border-radius:8px; padding:0 5px; color:var(--text); font-family:'Space Mono',monospace; font-size:16px; outline:none; }
  .history-date-field input:focus { border-color:var(--accent); }
  .history-apply-btn { height:36px; border:none; border-radius:8px; padding:0 14px; font-family:'Unbounded',sans-serif; font-size:10px; font-weight:700; cursor:pointer; background:var(--accent); color:#000; white-space:nowrap; }
  .history-item { background:var(--surface); border:1px solid var(--border); border-radius:10px; padding:11px 14px; margin-bottom:6px; }
  .history-item-top { display:flex; justify-content:space-between; align-items:flex-start; }
  .h-meta { display:flex; align-items:center; gap:8px; }
  .h-time { font-size:10px; color:var(--muted); }
  .h-pay-badge { font-size:9px; font-family:'Unbounded',sans-serif; font-weight:700; padding:2px 6px; border-radius:5px; }
  .h-pay-cash { background:#1a2a10; color:var(--accent); }
  .h-pay-card { background:#0d1a2a; color:var(--accent3); }
  .h-items { font-size:11px; color:var(--text); margin-top:4px; line-height:1.5; }
  .h-comment { font-size:10px; color:var(--yellow); margin-top:4px; }
  .h-total { font-family:'Unbounded',sans-serif; font-size:15px; font-weight:700; color:var(--accent); white-space:nowrap; margin-left:10px; }
  .h-edit-comment { background:none; border:none; color:var(--muted); font-size:10px; cursor:pointer; margin-top:5px; padding:0; font-family:'Space Mono',monospace; text-decoration:underline; display:block; }
  .history-day-total { padding:10px 14px; font-family:'Unbounded',sans-serif; font-size:10px; color:var(--muted); line-height:1.8; text-align:right; }
  .history-day-total span { color:var(--accent); }
  .history-day-total .card-val { color:var(--accent3); }

  /* Catalog */
  .catalog-section { padding:0 16px; margin-top:4px; }
  .catalog-item { background:var(--surface); border:1px solid var(--border); border-radius:10px; padding:12px 14px; margin-bottom:6px; display:flex; align-items:center; gap:10px; }
  .catalog-dot { width:10px; height:10px; border-radius:50%; flex-shrink:0; }
  .catalog-sort { font-family:'Unbounded',sans-serif; font-size:13px; font-weight:700; color:var(--muted); min-width:22px; text-align:center; }
  .catalog-info { flex:1; min-width:0; }
  .catalog-name { font-family:'Unbounded',sans-serif; font-size:11px; font-weight:700; color:var(--text); }
  .catalog-price { font-size:11px; color:var(--accent); margin-top:2px; }
  .catalog-disc { font-size:10px; color:var(--yellow); margin-top:1px; }
  .tier-grid { display:grid; grid-template-columns:1fr 1fr; gap:6px; margin-bottom:6px; }
  .tier-grid input { margin-bottom:0 !important; }
  .tier-col-hdrs { display:grid; grid-template-columns:1fr 1fr; gap:6px; margin-bottom:3px; }
  .tier-col-hdr { font-size:9px; color:var(--muted); text-align:center; letter-spacing:0.5px; text-transform:uppercase; }
  .catalog-actions { display:flex; gap:6px; }
  .cat-btn { background:var(--card); border:1px solid var(--border); color:var(--text); border-radius:8px; padding:6px 10px; font-size:12px; cursor:pointer; }
  .cat-btn-del { color:var(--accent2); border-color:var(--accent2); }
  .cat-btn:active { background:var(--border); }

  /* Tasks */
  .task-item { background:var(--card); border:1px solid var(--border); border-radius:12px; padding:14px; margin-bottom:8px; cursor:pointer; }
  .task-item:active { opacity:.75; }
  .task-title { font-family:'Unbounded',sans-serif; font-size:12px; font-weight:700; color:var(--text); margin-bottom:6px; }
  .task-desc { font-size:11px; color:var(--muted); line-height:1.5; white-space:pre-wrap; margin-bottom:8px; }
  .task-badge { display:inline-block; font-size:9px; font-family:'Unbounded',sans-serif; font-weight:700; border-radius:6px; padding:3px 9px; cursor:pointer; border:none; }
  .task-badge.waiting     { background:#3a3000; color:var(--yellow); }
  .task-badge.in_progress { background:#003020; color:var(--accent); }
  .task-badge.done        { background:#1a2a10; color:#6fbf73; }
  .task-badge.cancelled   { background:var(--surface); color:var(--muted); border:1px solid var(--border); }
  .task-status-btn { display:block; width:100%; padding:13px; border-radius:10px; font-family:'Unbounded',sans-serif; font-size:11px; font-weight:700; cursor:pointer; border:2px solid transparent; text-align:center; }
  .task-status-btn.waiting     { background:#3a3000; color:var(--yellow); }
  .task-status-btn.in_progress { background:#003020; color:var(--accent); }
  .task-status-btn.done        { background:#1a2a10; color:#6fbf73; }
  .task-status-btn.cancelled   { background:var(--surface); color:var(--muted); border-color:var(--border); }
  .task-status-btn.current     { border-color:rgba(255,255,255,.35); }
  .priority-badge { display:inline-block; font-size:9px; font-family:'Unbounded',sans-serif; font-weight:700; border-radius:6px; padding:3px 9px; cursor:pointer; border:none; }
  .priority-badge.low    { background:var(--surface); color:var(--muted); border:1px solid var(--border); }
  .priority-badge.normal { background:#001830; color:#60a0ff; }
  .priority-badge.high   { background:#3a2000; color:var(--yellow); }
  .priority-badge.urgent { background:#3a0010; color:var(--accent2); }
  .task-history { font-size:10px; color:var(--muted); line-height:1.9; }
  .task-history-label { font-family:'Unbounded',sans-serif; font-size:9px; font-weight:700; color:var(--muted); margin-bottom:6px; letter-spacing:.5px; }
  .tasks-filter-row { display:flex; gap:6px; margin-bottom:12px; overflow-x:auto; padding-bottom:2px; }
  .tasks-filter-row::-webkit-scrollbar { display:none; }
  .tasks-filter-btn { flex-shrink:0; padding:6px 12px; border-radius:8px; border:1px solid var(--border); background:var(--card); color:var(--muted); font-family:'Unbounded',sans-serif; font-size:9px; font-weight:700; cursor:pointer; }
  .tasks-filter-btn.active { border-color:var(--accent); color:var(--accent); background:#1a2a1f; }
  /* Task detail page */
  .task-detail-page { position:fixed; inset:0; background:var(--bg); z-index:80; display:flex; flex-direction:column; transform:translateX(100%); transition:transform .25s ease; }
  .task-detail-page.open { transform:translateX(0); }
  .task-detail-header { display:flex; align-items:center; gap:12px; padding:14px 16px; border-bottom:1px solid var(--border); flex-shrink:0; }
  .task-detail-back { background:none; border:none; color:var(--accent); font-family:'Unbounded',sans-serif; font-size:11px; font-weight:700; cursor:pointer; padding:0; }
  .task-detail-body { flex:1; overflow-y:auto; padding:16px; padding-bottom:32px; }
  .task-edit-btn { background:var(--surface); border:1px solid var(--border); border-radius:8px; color:var(--muted); font-size:14px; cursor:pointer; padding:4px 8px; flex-shrink:0; }
  .task-edit-btn:active { opacity:.7; }
  .task-edit-form input, .task-edit-form textarea { width:100%; background:var(--surface); border:1px solid var(--border); border-radius:8px; color:var(--text); font-family:'Space Mono',monospace; font-size:12px; padding:9px 10px; margin-bottom:10px; resize:vertical; }
  .task-edit-form textarea { line-height:1.6; }
  .task-comment-item { background:var(--surface); border:1px solid var(--border); border-radius:10px; padding:10px 12px; margin-bottom:8px; }
  .task-comment-header { display:flex; align-items:center; gap:8px; margin-bottom:5px; }
  .task-comment-author { font-family:'Unbounded',sans-serif; font-size:9px; font-weight:700; color:var(--accent); flex:1; }
  .task-comment-dt { font-size:9px; color:var(--muted); }
  .task-comment-del { background:none; border:none; color:var(--muted); font-size:11px; cursor:pointer; padding:0 2px; }
  .task-comment-del:active { color:var(--accent2); }
  .task-comment-text { font-size:12px; color:var(--text); line-height:1.6; white-space:pre-wrap; word-break:break-word; }
  .task-comment-input { width:100%; background:var(--surface); border:1px solid var(--border); border-radius:8px; color:var(--text); font-family:'Space Mono',monospace; font-size:12px; padding:8px 10px; resize:none; }
  .task-file-preview { width:44px; height:44px; object-fit:cover; border-radius:6px; flex-shrink:0; background:var(--surface); border:1px solid var(--border); }
  .task-file-item { display:flex; align-items:center; gap:8px; background:var(--surface); border:1px solid var(--border); border-radius:8px; padding:9px 12px; margin-bottom:6px; }
  .task-file-name { font-size:12px; color:var(--accent3); background:none; border:none; padding:0; cursor:pointer; flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; text-align:left; }
  .task-file-name:active { opacity:.7; }
  .task-file-meta { font-size:10px; color:var(--muted); flex-shrink:0; }
  .task-file-del { background:none; border:none; color:var(--muted); font-size:11px; cursor:pointer; padding:0 2px; flex-shrink:0; }
  .task-file-del:active { color:var(--accent2); }
  .task-file-upload-btn { width:100%; margin-top:4px; background:var(--card); border:1px dashed var(--border); border-radius:8px; color:var(--muted); font-family:'Space Mono',monospace; font-size:11px; padding:10px; cursor:pointer; text-align:center; }
  .task-file-upload-btn:active { border-color:var(--accent); color:var(--accent); }

  /* Cash */
  .cash-balance-card { background:var(--surface); border:1px solid var(--border); border-radius:14px; padding:22px; text-align:center; margin:0 16px; }
  .cash-balance-label { font-size:10px; color:var(--muted); letter-spacing:2px; text-transform:uppercase; margin-bottom:8px; }
  .cash-balance-num { font-family:'Unbounded',sans-serif; font-size:34px; font-weight:900; color:var(--accent); }
  .cash-action-row { display:flex; gap:8px; padding:10px 16px 0; }
  .cash-action-btn { flex:1; padding:13px; border-radius:10px; font-family:'Unbounded',sans-serif; font-size:11px; font-weight:700; cursor:pointer; border:none; transition:all .15s; }
  .cash-add { background:#1a2a10; color:var(--accent); border:1px solid var(--accent) !important; }
  .cash-remove { background:#2a1010; color:var(--accent2); border:1px solid var(--accent2) !important; }
  .cash-tx-item { background:var(--surface); border:1px solid var(--border); border-radius:10px; padding:11px 14px; margin-bottom:6px; display:flex; justify-content:space-between; align-items:center; }
  .tx-time { font-size:10px; color:var(--muted); }
  .tx-label { font-size:12px; color:var(--text); margin-top:2px; }
  .tx-comment { font-size:10px; color:var(--yellow); margin-top:2px; }
  .tx-amount { font-family:'Unbounded',sans-serif; font-size:15px; font-weight:700; }
  .tx-balance { font-size:10px; color:var(--muted); margin-top:3px; text-align:right; }
  .tx-plus { color:var(--accent); }
  .tx-minus { color:var(--accent2); }
  .tx-sale { color:var(--accent3); }
  .cash-more-wrap { padding:8px 16px 16px; }
  .cash-more-btn { width:100%; background:var(--card); color:var(--text); border:1px solid var(--border); border-radius:10px; padding:12px; font-family:'Unbounded',sans-serif; font-size:11px; font-weight:700; cursor:pointer; }
  .cash-more-btn:disabled { color:var(--muted); cursor:not-allowed; }

  /* Field label */
  .field-label { font-size:10px; color:var(--muted); letter-spacing:1px; text-transform:uppercase; margin-bottom:5px; }

  /* Color picker */
  .color-row { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:10px; }
  .color-swatch { width:26px; height:26px; border-radius:50%; cursor:pointer; border:2px solid transparent; transition:border .15s; }
  .color-swatch.selected { border-color:#fff; }

  /* Settings */
  .settings-section { padding:0 16px; margin-top:4px; }
  .save-settings-btn { width:100%; background:var(--accent); color:#000; border:none; border-radius:10px; padding:12px; font-family:'Unbounded',sans-serif; font-size:12px; font-weight:700; cursor:pointer; margin-top:2px; }
  .install-note { font-size:10px; color:var(--muted); margin-top:2px; line-height:1.45; }
  .install-btn { background:#0d1a2a; color:var(--accent3); border:1px solid var(--accent3); margin-top:8px; }

  /* Toast */
  .toast { position:fixed; top:20px; left:50%; transform:translateX(-50%) translateY(-80px); background:var(--accent); color:#000; padding:11px 20px; border-radius:12px; font-family:'Unbounded',sans-serif; font-size:11px; font-weight:700; transition:transform .3s ease; z-index:300; white-space:nowrap; }
  .toast.show { transform:translateX(-50%) translateY(0); }
  .toast.error { background:var(--accent2); color:#fff; }