:root{--bg:#f8fafc;--surface:#ffffff;--surface-alt:#f1f5f9;--border:#e2e8f0;--border-strong:#cbd5e1;--text:#0f172a;--text-muted:#475569;--primary:#0f766e;--primary-hover:#115e59;--primary-light:#ccfbf1;--secondary:#1e293b;--whatsapp:#16a34a;--whatsapp-hover:#15803d;--danger:#dc2626;--danger-bg:#fef2f2;--warning:#d97706;--warning-bg:#fffbeb;--success:#15803d;--success-bg:#f0fdf4;--radius:12px;--radius-sm:8px;--shadow:0 4px 16px rgba(15,23,42,0.06)}*{box-sizing:border-box;margin:0;padding:0}body,html{background-color:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Tahoma,Arial,sans-serif;line-height:1.6;direction:rtl;text-align:right}.container{width:100%;max-width:980px;margin:0 auto;padding:0 16px}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 0;position:-webkit-sticky;position:sticky;top:0;z-index:20}.header-inner{justify-content:space-between;flex-wrap:wrap}.brand-box,.header-inner{display:flex;align-items:center;gap:12px}.brand-logo{font-size:2rem;background:var(--primary-light);width:48px;height:48px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center}.brand-title{font-size:1.4rem;font-weight:800;color:var(--primary)}.brand-subtitle{font-size:.85rem;color:var(--text-muted)}.stepper-nav{background:var(--surface);border-bottom:1px solid var(--border);padding:10px 0}.stepper-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}.stepper-tab{border:1px solid var(--border);background:var(--surface-alt);color:var(--text-muted);padding:8px 14px;border-radius:999px;font-size:.85rem;font-weight:600;cursor:pointer;white-space:nowrap;transition:all .15s ease}.stepper-tab:disabled{opacity:.55;cursor:not-allowed}.stepper-tab-active{background:var(--primary);color:#ffffff;border-color:var(--primary)}.stepper-tab-done{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}.main-content{flex:1 1;padding-top:24px;padding-bottom:48px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}.section-title{font-size:1.25rem;font-weight:700;margin-bottom:4px}.section-subtitle{color:var(--text-muted);font-size:.92rem}.subsection-title{font-size:1.05rem;font-weight:700;margin-bottom:12px}.mini-heading{font-size:.9rem;font-weight:700;color:var(--text-muted);margin-bottom:8px;display:block}.status-pill{display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;font-size:.82rem;font-weight:700}.status-pill-ok{background:var(--success-bg);color:var(--success);border:1px solid #86efac}.status-pill-warn{background:var(--warning-bg);color:var(--warning);border:1px solid #fcd34d}.status-pill-error{background:var(--danger-bg);color:var(--danger);border:1px solid #fca5a5}.alert{padding:14px 16px;border-radius:var(--radius-sm);margin-bottom:18px;font-size:.92rem}.alert-warning{background:var(--warning-bg);border:1px solid #fcd34d;color:#92400e}.alert-error{background:var(--danger-bg);border:1px solid #fca5a5;color:#991b1b;display:flex;flex-direction:column;gap:10px}.alert-list{margin-top:8px;padding-right:20px}.upload-dropzone{border:2px dashed var(--border-strong);border-radius:var(--radius);background:var(--surface-alt);padding:36px 20px;text-align:center;cursor:pointer;transition:border-color .2s ease,background .2s ease}.upload-dropzone:focus-visible,.upload-dropzone:hover{border-color:var(--primary);background:#f0fdfa;outline:none}.upload-icon{font-size:2.6rem;margin-bottom:8px}.upload-title{font-size:1.05rem;font-weight:700;margin-bottom:4px}.upload-hint{font-size:.85rem;color:var(--text-muted)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.receipt-preview-box{margin-top:18px;padding:16px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-alt);display:flex;flex-direction:column;align-items:center;gap:14px}.receipt-preview-img{max-height:280px;max-width:100%;object-fit:contain;border-radius:var(--radius-sm);border:1px solid var(--border)}.receipt-preview-actions{display:flex;gap:10px;flex-wrap:wrap}.divider-text{display:flex;align-items:center;text-align:center;margin:22px 0;color:var(--text-muted);font-size:.88rem}.divider-text:after,.divider-text:before{content:"";flex:1 1;border-bottom:1px solid var(--border)}.divider-text span{padding:0 12px}.action-row-center{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:var(--radius-sm);font-size:.95rem;font-weight:700;cursor:pointer;border:1px solid transparent;transition:all .15s ease}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-sm{padding:6px 12px;font-size:.85rem}.btn-primary{background:var(--primary);color:#ffffff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--secondary);color:#ffffff}.btn-secondary:hover:not(:disabled){background:#334155}.btn-whatsapp{background:var(--whatsapp);color:#ffffff}.btn-whatsapp:hover:not(:disabled){background:var(--whatsapp-hover)}.btn-outline{background:var(--surface);border-color:var(--border-strong);color:var(--text)}.btn-outline:hover:not(:disabled){background:var(--surface-alt)}.btn-danger-outline{background:var(--surface);border-color:#fca5a5;color:var(--danger)}.btn-danger-outline:hover:not(:disabled){background:var(--danger-bg)}.btn-icon-danger{background:transparent;border:1px solid #fca5a5;color:var(--danger);border-radius:6px;padding:4px 10px;font-size:.8rem;font-weight:600;cursor:pointer}.btn-icon-danger:hover{background:var(--danger-bg)}.btn-link-danger{background:none;border:none;color:var(--danger);font-size:.85rem;font-weight:600;cursor:pointer;text-decoration:underline}.form-grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:14px;gap:14px;margin-bottom:16px}.form-grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:14px;gap:14px;margin-bottom:14px}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:.85rem;font-weight:700;color:var(--text-muted)}.form-input{width:100%;padding:9px 12px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);font-size:.95rem;background:var(--surface);color:var(--text)}.form-input:focus{outline:2px solid var(--primary);border-color:var(--primary)}.input-compact{width:auto;min-width:90px;padding:6px 10px}.items-editor-list{display:flex;flex-direction:column;gap:14px;margin-bottom:24px}.item-editor-card{border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px;background:var(--surface-alt)}.item-uncertain{border-color:#f59e0b;background:#fffbeb}.item-editor-header{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px;flex-wrap:wrap}.item-badge{font-size:.82rem;font-weight:700;color:var(--primary)}.badge-warning{background:#fef3c7;color:#92400e}.badge-info,.badge-warning{font-size:.8rem;padding:3px 8px;border-radius:6px}.badge-info{background:var(--primary-light);color:var(--primary);font-weight:700}.item-editor-grid{display:grid;grid-template-columns:2fr repeat(5,minmax(95px,1fr));grid-gap:10px;gap:10px}.simple-item-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;grid-gap:10px;gap:10px}@media (max-width:768px){.item-editor-grid,.simple-item-grid{grid-template-columns:1fr 1fr}.item-name-col{grid-column:1/-1}}.receipt-quick-totals{border-top:1px solid var(--border);padding-top:18px;margin-top:10px}.receipt-summary-strip{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding:14px 16px;background:var(--primary-light);border:1px solid var(--primary);border-radius:var(--radius-sm);margin-top:8px}.total-highlight-text{font-size:1.2rem;color:var(--primary)}.simple-fees-list{gap:12px}.simple-fee-row,.simple-fees-list{display:flex;flex-direction:column}.simple-fee-row{gap:10px;padding:14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-alt)}.simple-fee-info{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.simple-fee-title{font-weight:700;font-size:.96rem}.split-method-pills{display:flex;gap:8px;flex-wrap:wrap}.pill-toggle{flex:1 1;min-width:130px;padding:8px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface);color:var(--text-muted);font-weight:700;font-size:.86rem;cursor:pointer}.pill-toggle-active{background:var(--primary);color:#ffffff;border-color:var(--primary)}.participant-add-form{display:flex;gap:10px;margin-bottom:16px}.quick-chips-box{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:20px}.quick-chips-label{font-size:.85rem;color:var(--text-muted);font-weight:600}.quick-chips-list{display:flex;gap:8px;flex-wrap:wrap}.chip-btn{background:var(--surface-alt);border:1px solid var(--border-strong);border-radius:999px;padding:4px 12px;font-size:.83rem;font-weight:600;cursor:pointer}.chip-btn:hover:not(:disabled){background:var(--primary-light);border-color:var(--primary);color:var(--primary)}.chip-btn:disabled{opacity:.45;cursor:not-allowed}.participants-list{display:flex;flex-direction:column;gap:10px}.participant-row{display:flex;align-items:center;gap:10px;padding:10px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-alt)}.participant-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#ffffff;font-weight:700;font-size:.88rem;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.allocation-items-list{display:flex;flex-direction:column;gap:18px;margin-bottom:20px}.allocation-card{border:2px solid var(--border);border-radius:var(--radius);padding:18px;background:var(--surface)}.allocation-card-valid{border-color:#86efac}.allocation-card-pending{border-color:#fcd34d}.allocation-card-over{border-color:#fca5a5}.allocation-card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:12px}.allocation-item-title{font-size:1.1rem;font-weight:800}.allocation-item-meta{font-size:.88rem;color:var(--text-muted)}.allocation-quick-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid var(--border)}.direct-units-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));grid-gap:10px;gap:10px;margin-bottom:14px}.direct-unit-box{border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;display:flex;align-items:center;justify-content:space-between;gap:8px;background:var(--surface-alt)}.direct-unit-active{border-color:var(--primary);background:#f0fdfa}.direct-unit-name{font-weight:700;font-size:.92rem}.stepper-controls{display:inline-flex;align-items:center;gap:4px}.stepper-btn{width:28px;height:28px;border-radius:6px;border:1px solid var(--border-strong);background:var(--surface);font-weight:800;cursor:pointer}.stepper-btn:disabled{opacity:.4;cursor:not-allowed}.stepper-input{width:48px;text-align:center;padding:4px;border:1px solid var(--border-strong);border-radius:6px;font-weight:700}.shared-splits-section{border-top:1px dashed var(--border-strong);padding-top:12px;margin-top:8px;display:flex;flex-direction:column;gap:10px}.shared-split-box{background:var(--surface-alt);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:12px}.shared-split-header{justify-content:space-between;gap:10px;margin-bottom:10px}.shared-split-controls,.shared-split-header{display:flex;align-items:center;flex-wrap:wrap}.shared-split-controls{gap:12px}.inline-label{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;font-weight:600}.shared-participants-grid{display:flex;gap:8px;flex-wrap:wrap}.shared-participant-chip{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface)}.shared-participant-selected{border-color:var(--primary);background:var(--primary-light)}.checkbox-label{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-weight:600;font-size:.9rem}.weight-input{width:60px;padding:3px 6px;border:1px solid var(--primary);border-radius:6px;text-align:center;font-weight:700}.field-error-text{color:var(--danger);font-size:.82rem;margin-top:6px;font-weight:600}.fees-cards-list{display:flex;flex-direction:column;gap:14px}.fee-config-card{border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;background:var(--surface-alt)}.fee-config-header{margin-bottom:10px}.checkbox-title{display:inline-flex;align-items:center;gap:10px;font-size:1.02rem;font-weight:700;cursor:pointer}.fee-config-body{padding-top:10px;border-top:1px solid var(--border)}.checkbox-inline-box{display:flex;align-items:center;padding-top:8px}.custom-weights-panel{margin-top:10px;padding:12px;background:var(--surface);border-radius:var(--radius-sm);border:1px solid var(--border)}.custom-weights-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));grid-gap:10px;gap:10px}.custom-weight-item{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:.88rem;font-weight:600}.results-actions-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px;padding:14px;background:var(--surface-alt);border-radius:var(--radius-sm);border:1px solid var(--border)}.participant-results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));grid-gap:16px;gap:16px;margin-bottom:24px}.participant-result-card{border:1px solid var(--border-strong);border-radius:var(--radius);padding:18px;background:var(--surface);display:flex;flex-direction:column;gap:14px}.participant-result-header{display:flex;justify-content:space-between;align-items:center;gap:10px;border-bottom:1px solid var(--border);padding-bottom:12px}.participant-result-name{font-size:1.18rem;font-weight:800}.participant-items-count{font-size:.8rem;color:var(--text-muted)}.participant-final-badge{background:var(--primary-light);color:var(--primary);padding:8px 12px;border-radius:var(--radius-sm);text-align:left}.final-badge-label{display:block;font-size:.75rem}.final-badge-amount{font-size:1.15rem;font-weight:800}.allocated-items-ul{list-style:none;display:flex;flex-direction:column;gap:6px;background:var(--surface-alt);padding:10px 12px;border-radius:var(--radius-sm);font-size:.88rem}.allocated-item-li{display:flex;justify-content:space-between;gap:8px}.qty-tag{color:var(--text-muted);font-weight:600}.breakdown-dl{display:flex;flex-direction:column;gap:6px;font-size:.9rem}.breakdown-row{display:flex;justify-content:space-between;color:var(--text-muted)}.breakdown-row dd{font-weight:600;color:var(--text)}.text-discount{color:var(--success)!important}.breakdown-row-total{border-top:1px solid var(--border);padding-top:8px;margin-top:4px;font-weight:800;color:var(--text);font-size:1rem}.participant-card-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:8px}.overall-bill-summary-box{background:var(--surface-alt);border:1px solid var(--border);border-radius:var(--radius-sm);padding:18px}.overall-summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));grid-gap:12px;gap:12px}.summary-stat{background:var(--surface);padding:10px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);display:flex;flex-direction:column;gap:4px;font-size:.85rem}.summary-stat-highlight{border-color:var(--primary);background:var(--primary-light);color:var(--primary)}.step-footer{justify-content:space-between;margin-top:24px;padding-top:18px;border-top:1px solid var(--border);flex-wrap:wrap}.empty-state,.step-footer{display:flex;align-items:center;gap:12px}.empty-state{padding:28px;background:var(--surface-alt);border-radius:var(--radius-sm);flex-direction:column}.app-footer,.empty-state{text-align:center;color:var(--text-muted)}.app-footer{border-top:1px solid var(--border);background:var(--surface);padding:16px 0;font-size:.85rem}.print-only-header{display:none}@media (max-width:640px){.container{padding:0 12px}.main-content{padding-top:14px;padding-bottom:32px}.card{padding:16px 14px;border-radius:10px}.header-inner{flex-direction:row;justify-content:space-between}.brand-title{font-size:1.2rem}.brand-subtitle{font-size:.78rem}.stepper-list{gap:6px;-webkit-overflow-scrolling:touch;scrollbar-width:none}.stepper-list::-webkit-scrollbar{display:none}.stepper-tab{padding:7px 11px;font-size:.8rem}.participant-add-form{flex-direction:column}.participant-add-form .btn{width:100%}.direct-units-grid{grid-template-columns:1fr}.allocation-quick-toolbar{flex-direction:column;align-items:stretch}.allocation-quick-toolbar .btn{width:100%}.shared-split-controls,.shared-split-header{flex-direction:column;align-items:stretch}.inline-label{justify-content:space-between;width:100%}.results-actions-bar{flex-direction:column}.results-actions-bar .btn{width:100%}.participant-results-grid{grid-template-columns:1fr}.participant-card-actions{flex-direction:column}.participant-card-actions .btn{width:100%}.step-footer{flex-direction:column-reverse;align-items:stretch}.step-footer .btn{width:100%}.action-row-center{flex-direction:column;align-items:stretch}.action-row-center .btn{width:100%}}@media print{.no-print{display:none!important}body{background:#ffffff}.card{box-shadow:none;border:none;padding:0}.print-only-header{display:block;margin-bottom:20px;border-bottom:2px solid #000;padding-bottom:10px}}