:root{--bg:#fbfbfb;--surface:#fff;--surface-2:#f5f5f5;--border:#e9e9e9;--text:#18181b;--text-dim:#737373;--primary:#056dff;--primary-hover:#1447e6;--accent:#006045;--warning:#894b00;--error:#c10007;--accent-tint:#d0fae5;--warning-tint:#fef9c2;--error-tint:#ffe2e2;--shadow:#00000014;--shadow-lg:#0000001f;--overlay:#00000080;--card-border:transparent;--shadow-border:0 0 0 1px #0000000f, 0 1px 2px -1px #0000000f, 0 2px 4px 0 #0000000a;--shadow-border-hover:0 0 0 1px #00000014, 0 1px 2px -1px #00000014, 0 2px 4px 0 #0000000f;--radius:12px;--gap:12px}[data-theme=dark]{--bg:#030303;--surface:#0f0f0f;--surface-2:#262626;--border:#404040;--text:#f5f5f5;--text-dim:#a1a1a1;--primary:#056dff;--primary-hover:#1447e6;--accent:#a4f4cf;--warning:#fdc700;--error:#ff6467;--accent-tint:#004f3b;--warning-tint:#a65f00;--error-tint:#82181a;--shadow:#0000004d;--shadow-lg:#00000080;--overlay:#000000b3;--card-border:var(--border);--shadow-border:none;--shadow-border-hover:none}@media 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var(--gap);color:var(--text-dim);grid-column:1/-1}.cart{border-top:1px solid var(--border);background:var(--surface);max-height:200px;overflow-y:auto}.cart-empty{text-align:center;color:var(--text-dim);padding:20px;font-size:14px}.cart-list{padding:var(--gap);list-style:none}.cart-row{border-bottom:1px solid var(--border);align-items:center;gap:6px;padding:6px 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env(safe-area-inset-bottom));position:relative}.inv-search{margin-bottom:12px}.inv-list{grid-template-columns:repeat(2,1fr);align-items:start;gap:8px;list-style:none;display:grid}.inv-row{background:var(--surface);border:1px solid var(--card-border);box-shadow:var(--shadow-border);border-radius:var(--radius);min-width:0;overflow:hidden}.inv-head{text-align:left;cursor:pointer;justify-content:space-between;align-items:center;gap:8px;width:100%;padding:10px 12px;transition:background-color .15s;display:flex}.inv-head:active{background:var(--surface-2)}.inv-info{flex:1;min-width:0}.inv-name{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:500;display:block;overflow:hidden}.inv-stock{color:var(--accent);font-variant-numeric:tabular-nums;flex-shrink:0;font-size:18px;font-weight:700}.inv-stock.low{color:var(--error)}.inv-mode-tabs{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px;display:grid}.inv-mode-tabs.three{grid-template-columns:1fr 1fr 1fr}.inv-mode{background:var(--surface-2);color:var(--text-dim);border-radius:10px;justify-content:center;align-items:center;gap:6px;padding:12px;font-size:15px;font-weight:600;transition:all .15s;display:flex}.inv-mode.active.add{background:var(--primary);color:#fff}.inv-mode.active.subtract{background:var(--error);color:#fff}.inv-mode.active.set{background:var(--primary);color:#fff}.inv-qty-display{background:var(--bg);border-radius:10px;justify-content:center;align-items:center;gap:4px;margin-bottom:12px;padding:12px;display:flex}.inv-qty-sign{color:var(--text-dim);font-size:24px;font-weight:700}.inv-qty-num{color:var(--text);font-variant-numeric:tabular-nums;font-size:32px;font-weight:700}.inv-set-preview{text-align:center;color:var(--text-dim);margin-bottom:12px;padding:6px;font-size:14px;font-style:italic}.inv-remarks{margin:12px 0}.inv-remarks-label{color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:12px;font-weight:600}.btn-record.full{justify-content:center;align-items:center;gap:8px;width:100%;display:flex}.history{padding:var(--gap);padding-bottom:calc(var(--gap) + env(safe-area-inset-bottom));position:relative}.history-skeleton{flex-direction:column;gap:16px;margin-top:4px;display:flex}.history-skeleton-group{flex-direction:column;gap:8px;display:flex}.skeleton-rows{flex-direction:column;gap:6px;display:flex}.skeleton{background:linear-gradient(90deg, var(--surface-2) 0%, var(--border) 50%, var(--surface-2) 100%);border-radius:var(--radius);background-size:200% 100%;animation:1.4s ease-in-out infinite skeleton-shimmer}.skeleton-date-header{border-radius:6px;width:40%;height:18px}.skeleton-row{height:56px}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.history-filters{gap:6px;margin-bottom:12px;display:flex}.filter-select{background:var(--surface);border:1px solid var(--border);min-width:0;color:var(--text);cursor:pointer;border-radius:8px;outline:none;flex:1;padding:8px 10px;font-size:13px;font-weight:500}.filter-select:focus{border-color:var(--primary)}.sale-head{background:var(--surface-2);text-align:left;cursor:pointer;border:none;justify-content:space-between;align-items:center;width:100%;padding:14px 16px;transition:background-color .15s;display:flex}.sale-head:active{background:var(--surface)}.sale-detail{border-top:1px solid var(--border);background:var(--surface);padding:10px 12px}.sale-items{margin-bottom:6px;list-style:none}.sale-item{border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;padding:5px 0;display:flex}.sale-item:last-child{border-bottom:none}.sale-item-info{flex:1;min-width:0}.sale-item-name{color:var(--text);margin-bottom:1px;font-size:14px;font-weight:500}.sale-item-meta{color:var(--text-dim);flex-wrap:wrap;gap:8px;font-size:13px;display:flex}.sale-item-unit{font-variant-numeric:tabular-nums}.sale-item-qty{color:var(--primary);font-weight:500}.sale-item-total{color:var(--accent);font-variant-numeric:tabular-nums;text-align:right;min-width:70px;font-size:14px;font-weight:600}.sale-breakdown{margin:8px 0}.sale-breakdown>div{color:var(--text-dim);justify-content:space-between;align-items:center;padding:3px 0;font-size:13px;display:flex}.sale-breakdown>div.strong{color:var(--text);border-top:1px solid var(--border);margin-top:2px;padding-top:4px;font-size:15px;font-weight:700}.sale-breakdown span:last-child{font-variant-numeric:tabular-nums}.sale-remarks{background:var(--surface-2);border-radius:8px;margin:6px 0;padding:6px 10px}.sale-remarks-label{color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-size:11px;font-weight:600}.sale-remarks-list{flex-wrap:wrap;gap:6px;display:flex}.sale-clerk-info{background:var(--surface-2);border-radius:8px;align-items:center;gap:6px;margin:6px 0;padding:6px 10px;font-size:13px;display:flex}.sale-clerk-label{color:var(--text-dim);font-weight:500}.sale-clerk-value{color:var(--text);font-weight:600}.sale-note{background:var(--surface-2);border-left:3px solid var(--warning);color:var(--text);border-radius:0 8px 8px 0;margin:12px 0;padding:12px 14px;font-size:14px;font-style:italic}.sale-note-label{color:var(--warning);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-size:12px;font-style:normal;font-weight:600}.sale-actions{gap:8px;margin-top:8px;display:flex}.sale-actions .btn-clear{flex:1}.sale-actions .btn-del{flex:none}.edit-actions{grid-template-columns:1fr 1fr;gap:8px;margin-top:8px;display:grid}.edit-actions button{text-transform:none;letter-spacing:normal;border-radius:var(--radius);justify-content:center;align-items:center;gap:6px;min-height:44px;padding:12px 16px;font-size:15px;font-weight:600;display:flex}.edit-clerk-row{background:var(--surface-2);border-radius:8px;align-items:center;gap:8px;margin:6px 0;padding:8px 10px;display:flex}.edit-clerk-label{color:var(--text-dim);white-space:nowrap;font-size:14px;font-weight:500}.edit-clerk-select{background:var(--surface);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:8px;outline:none;flex:1;padding:10px 12px;font-size:14px}.edit-clerk-select:focus{border-color:var(--primary)}.empty{text-align:center;padding:40px var(--gap);color:var(--text-dim)}.empty-history{text-align:center;padding:60px var(--gap);color:var(--text-dim)}.history-group{margin-bottom:14px}.history-date-header{border-bottom:1px solid var(--border);cursor:pointer;width:100%;color:inherit;font:inherit;text-align:left;background:0 0;border-top:none;border-left:none;border-right:none;justify-content:space-between;align-items:center;margin-bottom:8px;padding:8px 4px;display:flex}.history-date-header:active{opacity:.7}.history-date-label{color:var(--text);font-size:14px;font-weight:700}.history-date-stats{align-items:center;gap:12px;display:flex}.date-stat{font-size:12px;font-weight:500}.sale-stat{color:var(--accent)}.inv-stat{color:var(--primary)}.date-detail{background:var(--surface);border:1px solid var(--card-border);box-shadow:var(--shadow-border);border-radius:var(--radius);margin-bottom:8px;padding:8px 12px}.date-detail-heading{color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:11px;font-weight:600}.date-detail-tabs{border-bottom:1px solid var(--border);gap:4px;margin-bottom:8px;display:flex}.date-detail-tab{color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid #0000;margin-bottom:-1px;padding:6px 10px;font-size:11px;font-weight:600}.date-detail-tab.active{color:var(--text);border-bottom-color:var(--primary)}.date-detail-tab:active{color:var(--text)}.date-detail-empty{color:var(--text-dim);padding:8px 4px;font-size:12px;font-style:italic}.date-detail-table{border-collapse:collapse;width:100%;font-size:13px}.date-detail-table td{border-bottom:1px solid var(--border);vertical-align:baseline;padding:4px 0}.date-detail-table tbody tr:last-child td{border-bottom:none}.date-detail-table td.date-detail-name{width:100%;max-width:1px;color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-weight:500;overflow:hidden}.date-detail-table td.date-detail-qty,.date-detail-table td.date-detail-rev{font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap;padding-left:12px;font-weight:600}.date-detail-table td.date-detail-qty{color:var(--primary)}.date-detail-table td.date-detail-rev{color:var(--accent)}.date-detail-table tfoot td{border-top:1px solid var(--border);color:var(--text);border-bottom:none;padding-top:8px;font-size:14px;font-weight:700}.hist-list{flex-direction:column;gap:6px;list-style:none;display:flex}.hist-row{background:var(--surface);border:1px solid var(--card-border);box-shadow:var(--shadow-border);border-radius:var(--radius);overflow:hidden}.hist-sale .hist-title:before,.hist-inv .hist-title:before{content:"";vertical-align:middle;border-radius:50%;width:6px;height:6px;margin-right:8px;display:inline-block;transform:translateY(-1px)}.hist-sale .hist-title:before{background:var(--accent)}.hist-inv .hist-title:before{background:var(--primary)}.hist-main{text-align:left;cursor:pointer;width:100%;color:inherit;font:inherit;background:0 0;border:none;justify-content:space-between;align-items:center;padding:8px 12px;display:flex}.hist-inv .hist-main{cursor:default}.hist-main:active{background:var(--surface-2)}.hist-left{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.hist-title{color:var(--text);font-size:14px;font-weight:600}.hist-meta{color:var(--text-dim);flex-wrap:wrap;align-items:center;gap:6px;font-size:12px;display:flex}.hist-clerk{background:var(--primary);color:#fff;border-radius:999px;padding:1px 6px;font-size:10px;font-weight:600}.hist-reason{background:var(--surface-2);color:var(--text-dim);border-radius:999px;padding:1px 6px;font-size:10px;font-weight:500}.hist-right{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:2px;margin-left:12px;display:flex}.hist-amount{color:var(--accent);font-variant-numeric:tabular-nums;font-size:16px;font-weight:700}.hist-change{font-variant-numeric:tabular-nums;font-size:16px;font-weight:700}.hist-change.plus{color:var(--accent)}.hist-change.minus{color:var(--error)}.hist-sub{color:var(--text-dim);font-size:11px}.settings{padding:var(--gap);padding-bottom:calc(var(--gap) + env(safe-area-inset-bottom))}.settings-tabs{z-index:5;margin:calc(var(--gap) * -1) calc(var(--gap) * -1) 16px;padding:var(--gap);background:var(--bg);position:sticky;top:0}.settings-section{margin-bottom:24px}.settings-heading{color:var(--text);border-bottom:1px solid var(--border);margin:0 0 12px;padding-bottom:8px;font-size:16px;font-weight:700}.settings-desc{color:var(--text-dim);margin:-8px 0 12px;font-size:13px}.settings-form{flex-direction:column;gap:10px;display:flex}.settings-form.inline{flex-direction:row;gap:8px}.settings-form.inline .input{flex:1}.settings-label{color:var(--text-dim);margin-top:4px;font-size:13px;font-weight:600}.settings-label.small{text-transform:uppercase;letter-spacing:.5px;font-size:11px}.currency-presets{flex-wrap:wrap;gap:8px;margin-top:4px;display:flex}.preset-btn{background:var(--surface-2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:8px 14px;font-size:14px;font-weight:600}.preset-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.preset-btn:active{transform:scale(.95)}.theme-selector{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.theme-btn{background:var(--surface-2);border:1px solid var(--border);color:var(--text);border-radius:8px;align-items:center;gap:8px;padding:10px 16px;font-size:14px;font-weight:500;transition:all .15s;display:flex}.theme-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.theme-btn:active{transform:scale(.98)}.theme-icon{font-size:16px}.setting-toggle-row{border-top:1px solid var(--border);justify-content:space-between;align-items:center;margin-top:12px;padding:12px 0;display:flex}.setting-toggle-info{flex-direction:column;gap:2px;display:flex}.setting-toggle-label{color:var(--text);font-size:14px;font-weight:500}.setting-toggle-desc{color:var(--text-dim);font-size:12px}.toggle-btn{background:var(--surface-2);width:44px;height:44px;color:var(--text-dim);border:1px solid var(--border);border-radius:10px;justify-content:center;align-items:center;transition:all .15s;display:flex}.toggle-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.toggle-btn:active{transform:scale(.95)}.chip-check{flex-shrink:0}.remark-custom-inline{border-top:1px solid var(--border);margin-top:8px;padding-top:8px}.remark-input{padding:10px 12px;font-size:14px}.empty-remarks{text-align:center;color:var(--text-dim);padding:16px;font-size:14px}.rule-inputs{align-items:flex-end;gap:12px;display:flex}.rule-field{flex:1}.rule-field .input{width:100%}.rule-arrow{color:var(--text-dim);padding-bottom:14px;font-size:18px;font-weight:700}.rule-list,.remark-list{margin:12px 0 0;padding:0;list-style:none}.rule-row,.remark-row{background:var(--surface-2);border-radius:10px;justify-content:space-between;align-items:center;margin-bottom:8px;padding:12px;display:flex}.rule-desc{color:var(--text);font-size:14px;line-height:1.4}.rule-desc strong{color:var(--primary);font-weight:700}.rule-discount{color:var(--accent);font-size:13px}.remark-text{color:var(--text);font-size:14px}.clerk-list{margin-top:12px;list-style:none}.clerk-row{background:var(--surface);border:1px solid var(--card-border);box-shadow:var(--shadow-border);border-radius:var(--radius);grid-template-columns:1fr auto auto;align-items:center;gap:8px;margin-bottom:10px;padding:14px;display:grid}.clerk-row.editing{padding:12px;display:block}.clerk-row-info{cursor:pointer;align-items:center;gap:8px;min-width:0;display:flex}.clerk-row-name{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:500;overflow:hidden}.clerk-edit-form{flex-direction:column;gap:10px;display:flex}.field-label-hint{color:var(--text-dim);text-transform:none;letter-spacing:normal;font-weight:500}.clerk-icon{color:var(--primary);flex-shrink:0}.discount-exclude{border-top:1px solid var(--border);margin-top:20px;padding-top:16px}.discount-exclude-heading{color:var(--text);margin-bottom:4px;font-size:13px;font-weight:600}.login-screen{min-height:100dvh;padding:var(--gap);background:var(--bg);justify-content:center;align-items:center;display:flex}.login-card{text-align:center;width:100%;max-width:360px}.login-brand{color:var(--primary);margin-bottom:4px;font-size:28px;font-weight:800}.login-subtitle{color:var(--text-dim);margin-bottom:24px;font-size:14px}.login-error{background:var(--error);color:#fff;text-align:left;border-radius:8px;margin-bottom:12px;padding:10px 14px;font-size:13px;font-weight:500}.login-form{flex-direction:column;gap:12px;display:flex}.login-store-chip{background:var(--surface-2);border-radius:var(--radius);justify-content:space-between;align-items:center;gap:8px;margin-bottom:4px;padding:10px 14px;display:flex}.login-store-chip-name{color:var(--text);text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:600;overflow:hidden}.login-store-chip-back{width:28px;height:28px;color:var(--text-dim);background:0 0;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.login-store-chip-back:active{background:var(--border);color:var(--text)}.login-pin-label{color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;text-align:center;margin-top:4px;font-size:12px;font-weight:600}.login-pin-display{background:var(--bg);border-radius:var(--radius);font-variant-numeric:tabular-nums;justify-content:center;align-items:center;gap:16px;padding:20px 0;display:flex}.pin-dot{width:36px;height:36px;color:var(--text-dim);justify-content:center;align-items:center;font-size:42px;line-height:1;transition:color .15s,transform .15s;display:inline-flex}.pin-dot.filled{color:var(--primary);transform:scale(1.1)}.login-switch{color:var(--primary);cursor:pointer;background:0 0;border:none;margin-top:16px;padding:8px;font-size:14px;font-weight:500}.login-switch:active{opacity:.7}.btn-logout{border-radius:var(--radius);background:var(--error);color:#fff;cursor:pointer;border:none;width:100%;margin-top:12px;padding:12px;font-size:15px;font-weight:600}.btn-logout:active{opacity:.8}