:root{--bg:#f4f5f7;--surface:#fff;--surface-muted:#f3f4f6;--text:#111827;--muted:#6b7280;--border:#e5e7eb;--input-border:#d1d5db;--primary:#2563eb;--primary-hover:#1d4ed8;--mode-in:#15803d;--mode-in-soft:#dcfce7;--mode-out:#c2410c;--mode-out-soft:#ffedd5;--mode-count:#4338ca;--mode-count-soft:#e0e7ff;--professional:#0f766e;--professional-soft:#ccfbf1;--retail:#7c3aed;--retail-soft:#ede9fe;--used:#0369a1;--used-soft:#e0f2fe;--success:#15803d;--success-soft:#dcfce7;--info:#1d4ed8;--info-soft:#dbeafe;--warning:#b45309;--warning-soft:#fef3c7;--danger:#b91c1c;--danger-soft:#fee2e2;--radius:10px;--shadow:0 1px 2px #0000000f, 0 1px 3px #0000001a;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*,:before,:after{box-sizing:border-box}body,h1,h2,p{margin:0}code{background:var(--surface-muted);border-radius:4px;padding:.1em .35em;font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:.85em}a{color:var(--primary)}.muted{color:var(--muted)}.nowrap{white-space:nowrap}.strong{font-weight:700}.text-danger{color:var(--danger)}.text-in{color:var(--success)}.text-out{color:var(--mode-out)}.navbar{color:#fff;background:#1f2937}.navbar__inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 16px;max-width:1200px;min-height:56px;margin:0 auto;padding:8px 16px;display:flex}.navbar__brand{font-weight:700}.navbar__links{gap:2px;max-width:100%;display:flex;overflow-x:auto}.navbar__link{color:#d1d5db;white-space:nowrap;border-radius:6px;padding:6px 10px;text-decoration:none}.navbar__link:hover{color:#fff;background:#ffffff14}.navbar__link.is-active{color:#fff;background:#ffffff29}.page{flex-direction:column;gap:18px;max-width:1200px;margin:0 auto;padding:24px 16px 48px;display:flex}.page__header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.page__title{font-size:1.5rem}.page__actions{gap:8px;display:flex}.section{flex-direction:column;gap:12px;display:flex}.section__title{align-items:center;gap:8px;font-size:1.1rem;display:flex}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.empty{text-align:center;color:var(--muted);background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);padding:16px}.banner{border-radius:var(--radius);border:1px solid;padding:12px 16px}.banner--warning{background:var(--warning-soft);color:#78350f;border-color:#fcd34d}.button{font:inherit;border:1px solid var(--input-border);background:var(--surface);color:var(--text);cursor:pointer;border-radius:8px;padding:8px 16px}.button:hover:not(:disabled){background:var(--surface-muted)}.button:disabled{opacity:.55;cursor:not-allowed}.button--primary{background:var(--primary);border-color:var(--primary);color:#fff}.button--primary:hover:not(:disabled){background:var(--primary-hover)}.button--danger{background:var(--danger);border-color:var(--danger);color:#fff}.button--danger:hover:not(:disabled){background:#991b1b}.button--danger-outline{color:var(--danger);border-color:#fca5a5}.button--small{padding:4px 10px;font-size:.875rem}.button--large{padding:12px 24px;font-size:1.05rem;font-weight:600}.link-button{font:inherit;color:var(--primary);cursor:pointer;background:0 0;border:0;padding:0;font-size:.875rem}.link-button--danger{color:var(--danger)}.field{flex-direction:column;gap:6px;min-width:0;display:flex}.field--inline{flex-direction:row;align-items:center;gap:8px}.field--grow{flex:220px}.field__label{color:var(--muted);font-size:.85rem;font-weight:600}.field__input{font:inherit;border:1px solid var(--input-border);min-width:0;color:var(--text);background:#fff;border-radius:8px;padding:8px 10px}.field__input:focus{outline:2px solid var(--primary);outline-offset:1px}.field__input--qty{text-align:right;width:5.5em}.field__input--money{text-align:right;width:7.5em}.checkbox{align-items:center;gap:8px;font-weight:500;display:flex}.checkbox input{width:18px;height:18px}.form-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));align-items:end;gap:12px 16px;display:grid}.form-actions{flex-wrap:wrap;gap:8px;display:flex}.inline-form{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.form-error{color:var(--danger);font-size:.9rem}.prompt{text-align:center;color:var(--mode-out);background:var(--mode-out-soft);border:2px dashed var(--mode-out);border-radius:var(--radius);padding:18px;font-weight:600}.badge{letter-spacing:.02em;white-space:nowrap;background:var(--surface-muted);color:var(--muted);border-radius:999px;padding:2px 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7px;font-size:.7rem;font-weight:700;display:inline-block}.pill--warning{background:var(--warning-soft);color:var(--warning)}.pill--danger{background:var(--danger-soft);color:var(--danger)}.pill--success{background:var(--success-soft);color:var(--success);margin-left:0}.pill--muted{background:var(--surface-muted);color:var(--muted)}.segmented{background:var(--surface-muted);border-radius:10px;flex-wrap:wrap;gap:4px;padding:4px;display:inline-flex}.segmented__option{font:inherit;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:7px;padding:7px 14px;font-weight:600}.segmented__option[aria-checked=true]{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}.mode-tabs{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.mode-tabs__tab{--tab:var(--muted);--tab-soft:var(--surface-muted);font:inherit;border:2px solid 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var(--accent);box-shadow:var(--shadow);border-radius:14px;padding:20px}.scan-panel--out{--accent:var(--mode-out);--accent-soft:var(--mode-out-soft)}.scan-panel--count{--accent:var(--mode-count);--accent-soft:var(--mode-count-soft)}.mode-panel{flex-direction:column;gap:16px;display:flex}.scan-input{flex-direction:column;gap:10px;display:flex}.barcode-input{gap:8px;display:flex}.barcode-input__field{border:2px solid var(--input-border);border-radius:10px;flex:1;min-width:0;padding:12px 14px;font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:1.25rem}.barcode-input__field:focus{border-color:var(--accent,var(--primary));box-shadow:0 0 0 3px var(--accent-soft,var(--info-soft));outline:none}.camera{flex-direction:column;gap:8px;display:flex}.camera__viewport{aspect-ratio:4/3;background:#000;border-radius:10px;max-height:360px;overflow:hidden}.camera__viewport video{object-fit:cover;width:100%;height:100%;display:block}.camera__hint{font-size:.875rem}.staff-picker{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;display:grid}.staff-picker__option{font:inherit;border:2px solid var(--border);background:var(--surface);color:var(--text);text-align:left;cursor:pointer;border-radius:10px;flex-direction:column;align-items:flex-start;padding:12px 14px;display:flex}.staff-picker__option:hover{border-color:var(--accent)}.staff-picker__option[aria-checked=true]{background:var(--accent);border-color:var(--accent);color:#fff}.staff-picker__name{font-size:1.05rem;font-weight:700}.staff-picker__role{opacity:.8;font-size:.8rem}.take-out__options{flex-wrap:wrap;gap:16px 32px;display:flex}.stepper{align-items:center;gap:6px;display:flex}.stepper .button{width:42px;padding:7px 0;font-weight:700}.count-header{font-size:1.05rem}.count-start{flex-direction:column;gap:12px;display:flex}.receipt-footer{flex-direction:column;gap:10px;display:flex}.receipt-footer__totals{font-size:1.05rem}.scan-result{border:2px solid;border-radius:14px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 16px;padding:16px 20px;animation:.25s ease-out pop;display:flex}.scan-result--success{background:var(--success-soft);border-color:var(--success)}.scan-result--info{background:var(--info-soft);border-color:var(--info)}.scan-result--warning{background:var(--warning-soft);border-color:var(--warning)}.scan-result--error{background:var(--danger-soft);border-color:var(--danger);color:var(--danger)}.scan-result__body{flex:300px}.scan-result__title{font-size:1.2rem;font-weight:600}.scan-result__detail{color:var(--muted);margin-top:4px;font-size:.9rem}.scan-result__actions{flex-wrap:wrap;gap:8px;display:flex}@keyframes pop{0%{opacity:.4;transform:scale(.97)}to{opacity:1;transform:scale(1)}}.register-form{border:2px solid var(--primary);flex-direction:column;gap:14px;display:flex}.register-form__title{font-size:1.15rem}.add-staff{flex-wrap:wrap;align-items:flex-end;gap:12px;display:flex}.confirm-panel{border:2px solid var(--danger);border-radius:var(--radius);background:var(--danger-soft);flex-direction:column;gap:10px;padding:16px 20px;display:flex}.confirm-panel__title{font-size:1.05rem;font-weight:700}.confirm-panel__actions{flex-wrap:wrap;gap:8px;display:flex}.period-picker{flex-wrap:wrap;align-items:center;gap:10px 16px;display:flex}.period-picker__custom{flex-wrap:wrap;gap:10px 16px;display:flex}.stat-tiles{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;display:grid}.stat-tile{--tile:var(--muted);background:var(--surface);border:1px solid var(--border);border-left:5px solid var(--tile);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px}.stat-tile--in{--tile:var(--success)}.stat-tile--used{--tile:var(--used)}.stat-tile--sold{--tile:var(--retail)}.stat-tile--warning{--tile:var(--warning)}.stat-tile--danger{--tile:var(--danger)}.stat-tile__label{letter-spacing:.04em;text-transform:uppercase;color:var(--muted);font-size:.8rem;font-weight:700}.stat-tile__value{font-size:1.6rem;font-weight:800}.stat-tile__sub{color:var(--muted)}.stat-tile--prominent{background:var(--danger-soft);border:2px solid var(--danger);border-left-width:8px}.stat-tile--prominent .stat-tile__value,.stat-tile--prominent .stat-tile__sub{color:var(--danger);font-weight:800}.filter-bar{flex-wrap:wrap;align-items:flex-end;gap:12px 16px;display:flex}.filter-bar__clear{align-self:flex-end;margin-bottom:4px}.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow-x:auto}.table{border-collapse:collapse;width:100%;font-size:.925rem}.table th,.table td{text-align:left;vertical-align:middle;border-bottom:1px solid var(--border);padding:10px 12px}.table th{letter-spacing:.04em;text-transform:uppercase;color:var(--muted);white-space:nowrap;background:#f9fafb;font-size:.75rem}.table .num{text-align:right}.table tbody tr:last-child td{border-bottom:0}.table--compact th,.table--compact td{padding:8px 10px}.table--nested{background:var(--surface);border:1px solid var(--border);border-radius:8px;font-size:.875rem}.cell-title{font-weight:600}a.cell-title{text-decoration:none}a.cell-title:hover{text-decoration:underline}.cell-sub{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px;margin-top:2px;font-size:.8rem;display:flex}.note-cell{min-width:140px;max-width:260px}.total-cell{font-size:1.05rem;font-weight:800}tr.is-low td{background:#fffbeb}tr.is-inactive td{color:var(--muted)}tr.is-reversed td{color:var(--muted);text-decoration:line-through}tr.is-reversed td .cell-sub,tr.is-reversed td a{text-decoration:none}tr.row--missing td{background:#fef2f2}tr.row--surplus td{background:#fffbeb}tr.reverse-row td,tr.breakdown-row td,tr.is-editing td{background:var(--surface-muted)}.reverse-form,.product-edit{flex-wrap:wrap;align-items:flex-end;gap:10px 14px;display:flex}.product-name{align-items:center;gap:10px;display:flex}.expand-button{font:inherit;color:var(--text);cursor:pointer;background:0 0;border:0;padding:0;font-weight:700}.expand-button:disabled{cursor:default}.sortable{padding:0!important}.sortable__button{font:inherit;width:100%;color:inherit;text-transform:inherit;letter-spacing:inherit;cursor:pointer;background:0 0;border:0;align-items:center;gap:4px;padding:8px 10px;display:flex}.sortable.num .sortable__button{justify-content:flex-end}.sortable.is-sorted{color:var(--text)}.sortable__arrow{opacity:.7;font-size:.7rem}.pagination{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.pagination__buttons{align-items:center;gap:8px;display:flex}@media (width<=600px){.page{padding:16px 12px 40px}.barcode-input{flex-direction:column}.mode-tabs__tab{padding:10px 4px}.mode-tabs__label{font-size:1rem}.mode-tabs__hint{display:none}.scan-panel{padding:14px}.scan-result__title{font-size:1.05rem}.stat-tile__value{font-size:1.3rem}}.auth-page{justify-content:center;align-items:center;min-height:100vh;padding:24px 16px;display:flex}.auth-card{flex-direction:column;gap:14px;width:100%;max-width:400px;display:flex}.auth-card__brand{color:var(--mode-count);font-weight:800}.auth-card__title{font-size:1.4rem}.auth-card__hint,.auth-card__switch{font-size:.9rem}.auth-card__notice{border-radius:var(--radius);background:var(--warning-soft);color:#78350f;padding:12px 14px}.auth-form{flex-direction:column;gap:12px;display:flex}.auth-loading{text-align:center;padding:40px 16px}.navbar__user{align-items:center;gap:10px;margin-left:auto;display:flex}.navbar__user-name{color:#e5e7eb;white-space:nowrap;font-size:.9rem}.navbar__user-role{color:#9ca3af}.navbar__logout{color:#e5e7eb;background:0 0;border-color:#ffffff4d}.navbar__logout:hover:not(:disabled){background:#ffffff1f}tr.is-pending td{background:#fffbeb}