:root{--page-bg: #05070b;--bg: #0b0f16;--surface: #131a24;--surface-2: #1a2230;--border: #232b3a;--border-strong: #313d4f;--text: #eef1f6;--text-dim: #8b93a5;--text-faint: #5b6474;--accent: #3b82f6;--accent-hover: #2f6fe0;--accent-soft: rgba(59, 130, 246, .14);--success: #22c55e;--success-soft: rgba(34, 197, 94, .14);--warning: #f0a020;--warning-soft: rgba(240, 160, 32, .14);--danger: #ef4444;--danger-hover: #dc2626;--danger-soft: rgba(239, 68, 68, .14);--status-good: #0ca30c;--status-warning: #fab219;--status-serious: #ec835a;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);--shadow-md: 0 12px 32px rgba(0, 0, 0, .4);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;color-scheme:dark}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--page-bg);color:var(--text);-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}h1,h2,h3,p{margin:0}button,input,select,textarea{font-family:inherit;color:inherit}button{-webkit-tap-highlight-color:transparent}::selection{background:var(--accent-soft)}#app{max-width:640px;margin:0 auto;min-height:100dvh;background:var(--bg);display:flex;flex-direction:column}@media (min-width: 700px){body{padding:var(--space-6) var(--space-4)}#app{min-height:auto;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden}}.app-header{padding:var(--space-5) var(--space-4) var(--space-3);display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.app-header h1{font-size:20px;font-weight:700;letter-spacing:-.01em}main{padding:0 var(--space-4) var(--space-6);display:flex;flex-direction:column;gap:var(--space-4);flex:1}#appContent{display:flex;flex-direction:column;gap:var(--space-4)}#appContent[hidden]{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:12px 16px;border-radius:var(--radius-md);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,transform .1s ease}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--surface-2);color:var(--text);border-color:var(--border)}.btn-secondary:hover{border-color:var(--border-strong)}.btn-danger{background:var(--danger-soft);color:var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}.btn-link{background:none;border:none;color:var(--accent);font-size:13px;font-weight:600;cursor:pointer;padding:var(--space-1);flex-shrink:0}.btn-link:hover{text-decoration:underline}.btn-link.disabled{color:var(--text-faint);cursor:default}.btn-link.disabled:hover{text-decoration:none}.upload-controls{display:flex;flex-direction:column;gap:var(--space-2)}.upload-buttons{display:flex;gap:var(--space-3)}.upload-buttons .btn{flex:1}.tier-toggle{display:flex;gap:var(--space-2)}.tier-option{flex:1;padding:var(--space-2) var(--space-3);border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--surface-2);color:var(--text-dim);font-size:13px;font-weight:600;cursor:pointer;transition:border-color .15s ease,background-color .15s ease,color .15s ease}.tier-option.selected{border-color:var(--accent);background:var(--accent-soft);color:var(--text)}.account-status{font-size:12px;color:var(--text-dim);margin:0}.upload-quota-exhausted{font-size:13px;color:var(--warning);margin:0 0 var(--space-2)}.btn-icon,.purchase-panel-close,.purchase-panel-delete,.modal-close,.lightbox-close{display:inline-flex;align-items:center;justify-content:center;background:var(--surface-2);color:var(--text-dim);border:1px solid var(--border);border-radius:var(--radius-pill);cursor:pointer;line-height:1;transition:background-color .15s ease,color .15s ease,border-color .15s ease}.btn-icon:hover,.purchase-panel-close:hover,.modal-close:hover,.lightbox-close:hover{color:var(--text);border-color:var(--border-strong)}.purchase-panel-delete:hover{color:var(--danger);border-color:var(--danger);background:var(--danger-soft)}.btn-icon{width:40px;height:40px;font-size:16px}.status-message{min-height:20px;font-size:13px;color:var(--text-dim)}.status-message.error{color:var(--danger)}.group-switcher{display:flex;align-items:center;gap:var(--space-2)}.group-select{flex:1;height:44px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:0 var(--space-3);font-size:14px;font-weight:600;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-dim) 50%),linear-gradient(135deg,var(--text-dim) 50%,transparent 50%);background-position:calc(100% - 20px) center,calc(100% - 15px) center;background-size:5px 5px,5px 5px;background-repeat:no-repeat}.group-switcher .btn-icon{width:44px;height:44px}.list-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2)}.list-title{font-size:15px;font-weight:700}.list-export{display:flex;gap:var(--space-3)}.receipt-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-2)}.receipt-item{display:flex;gap:var(--space-3);align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-3);cursor:pointer;transition:border-color .15s ease,background-color .15s ease}.receipt-item:hover{border-color:var(--border-strong);background:var(--surface-2)}.receipt-item.selected{border-color:var(--accent);background:var(--accent-soft)}.receipt-thumb{width:52px;height:52px;object-fit:cover;border-radius:var(--radius-sm);flex-shrink:0;background:var(--bg)}.receipt-meta{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1}.receipt-name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.receipt-details{font-size:12px;color:var(--text-dim)}.receipt-status{display:inline-flex;align-self:flex-start;align-items:center;gap:5px;font-size:11px;font-weight:600;padding:2px 8px;border-radius:var(--radius-pill)}.receipt-status:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}.receipt-status.status-uploaded{color:var(--text-dim);background:var(--surface-2)}.receipt-status.status-processing{color:var(--accent);background:var(--accent-soft)}.receipt-status.status-extracted{color:var(--success);background:var(--success-soft)}.receipt-status.status-needs_review{color:var(--warning);background:var(--warning-soft)}.receipt-status.status-failed{color:var(--danger);background:var(--danger-soft)}.empty{color:var(--text-dim);text-align:center;padding:56px var(--space-4);font-size:14px}.purchase-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-3)}.purchase-panel-actions{display:flex;justify-content:flex-end;gap:var(--space-2)}.purchase-panel-close,.purchase-panel-delete{width:32px;height:32px;font-size:14px}.purchase-panel-message{margin:0;font-size:13px;color:var(--text-dim);background:var(--surface-2);border-radius:var(--radius-sm);padding:var(--space-2) var(--space-3)}.purchase-panel-message.error{color:var(--warning);background:var(--warning-soft)}.purchase-content{display:flex;flex-direction:column;gap:var(--space-3)}.purchase-header-edit{display:flex;gap:var(--space-2);align-items:center;flex-wrap:wrap}.purchase-store-input{flex:1 1 120px;min-width:0;font-weight:700;font-size:15px}.purchase-date-input{width:150px;flex-shrink:0}.purchase-store{font-weight:700;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.purchase-date{font-size:12px;color:var(--text-dim);font-weight:400;white-space:nowrap}.purchase-codename{margin:0;font-size:12px;font-style:italic;color:var(--text-faint)}.purchase-tier-badge{display:inline-flex;align-self:flex-start;font-size:12px;font-weight:600;color:var(--accent);background:var(--accent-soft);border-radius:var(--radius-pill);padding:2px 10px}.purchase-notes-input{flex:1 1 100%;min-height:36px;resize:vertical}.purchase-notes{flex:1 1 100%;margin:0;font-size:13px;color:var(--text-dim)}.photo-strip{display:flex;gap:var(--space-3);overflow-x:auto;padding:2px 2px 6px}.photo-thumb-wrap{position:relative;flex-shrink:0;width:68px;height:68px}.photo-thumb-wrap--outlier .photo-thumb{border:2px solid var(--danger)}.photo-thumb{width:68px;height:68px;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--border);display:block;cursor:zoom-in;transition:border-color .15s ease}.photo-thumb:hover{border-color:var(--border-strong)}.photo-thumb-status{position:absolute;bottom:3px;left:3px;right:3px;font-size:9px;font-weight:600;text-align:center;background:#000000bf;border-radius:4px;padding:1px 2px;color:var(--text-dim);pointer-events:none}.photo-thumb-status.status-processing{color:var(--accent)}.photo-thumb-status.status-failed{color:var(--danger)}.photo-thumb-remove{position:absolute;top:-7px;right:-7px;width:20px;height:20px;border-radius:50%;background:var(--danger);color:#fff;border:2px solid var(--surface);font-size:10px;line-height:1;cursor:pointer}.photo-thumb-add{width:68px;height:68px;border-radius:var(--radius-sm);border:1px dashed var(--border-strong);background:none;color:var(--text-dim);font-size:20px;cursor:pointer;transition:border-color .15s ease,color .15s ease}.photo-thumb-add:hover{border-color:var(--accent);color:var(--accent)}.photo-thumb-add-wrap{width:auto;display:flex;gap:var(--space-2)}.purchase-items{width:100%;border-collapse:collapse;font-size:13px}.purchase-items th{text-align:left;color:var(--text-faint);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.04em;padding:0 0 var(--space-2);border-bottom:1px solid var(--border)}.purchase-items td{padding:var(--space-2) 0;border-bottom:1px solid var(--border);vertical-align:top}.purchase-items tr:last-child td{border-bottom:none}.purchase-items th:nth-child(2),.purchase-items td:nth-child(2),.purchase-items th:nth-child(3),.purchase-items td:nth-child(3),.purchase-items td:nth-child(4){text-align:right;white-space:nowrap;padding-left:var(--space-2)}.purchase-items td:nth-child(2){color:var(--text-dim)}.purchase-items td:nth-child(3){font-weight:600}.purchase-totals{font-size:13px;color:var(--text-dim);text-align:right;padding-top:var(--space-2);border-top:1px solid var(--border)}.confidence-dot{display:inline-block;margin-right:var(--space-1);width:8px;height:8px;border-radius:50%;vertical-align:middle;cursor:help}.confidence-high{background:var(--status-good)}.confidence-medium{background:var(--status-warning)}.confidence-low{background:var(--status-serious)}.confidence-none{background:var(--border-strong)}.confidence-summary{margin:0 0 var(--space-3)}.confidence-summary-bar{display:flex;gap:2px;height:6px;border-radius:var(--radius-pill);overflow:hidden}.confidence-summary-bar>span{height:100%}.confidence-summary-legend{display:flex;flex-wrap:wrap;gap:var(--space-1) var(--space-3);margin-top:var(--space-1);font-size:11px;color:var(--text-faint)}.confidence-summary-legend .legend-item{display:inline-flex;align-items:center;gap:5px}.confidence-summary-legend .legend-swatch{width:8px;height:8px;border-radius:50%;flex:none}.purchase-item-edit-btn{background:none;border:none;color:var(--text-faint);cursor:pointer;font-size:13px;padding:0}.purchase-item-edit-btn:hover{color:var(--accent)}.purchase-item-row-editing td{vertical-align:middle}.purchase-item-row-editing .text-input{padding:6px 8px;font-size:13px;width:100%}.purchase-item-qty-cell{display:flex;gap:var(--space-1)}.purchase-item-qty-input{width:56px!important;flex:none!important}.purchase-item-unit-input{width:44px!important;flex:none!important}.purchase-item-sum-input{width:80px!important;flex:none!important}.purchase-item-save-btn,.purchase-item-cancel-btn{border:none;border-radius:var(--radius-sm);cursor:pointer;font-size:13px;padding:4px 8px;margin-left:var(--space-1)}.purchase-item-save-btn{background:var(--success-soft);color:var(--success)}.purchase-item-cancel-btn{background:var(--surface-2);color:var(--text-dim)}.user-badge{display:flex;align-items:center;gap:var(--space-2);min-width:0}.user-avatar{width:30px;height:30px;border-radius:50%;flex-shrink:0;border:1px solid var(--border)}.user-email{font-size:13px;font-weight:600;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:120px}.login-screen{display:flex;flex-direction:column;align-items:center;gap:var(--space-4);text-align:center;padding:96px var(--space-4) 64px}.login-tagline{color:var(--text-dim);font-size:15px;max-width:280px}.login-btn{text-decoration:none;display:inline-flex;padding:13px 24px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#030509b3;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:flex-end;justify-content:center;z-index:100}@media (min-width: 700px){.modal-overlay{align-items:center}}.modal{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg) var(--radius-lg) 0 0;width:100%;max-width:480px;max-height:85dvh;overflow-y:auto;padding:var(--space-5) var(--space-4);display:flex;flex-direction:column;gap:var(--space-5)}@media (min-width: 700px){.modal{border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}}.modal-close{position:absolute;top:var(--space-3);right:var(--space-3);width:32px;height:32px;font-size:14px}.modal-section{display:flex;flex-direction:column;gap:var(--space-3);padding-right:40px}.modal-section:not(:last-child){padding-bottom:var(--space-5);border-bottom:1px solid var(--border)}.modal-section h2{font-size:17px;font-weight:700}.modal-section h3{font-size:12px;font-weight:700;color:var(--text-faint);text-transform:uppercase;letter-spacing:.04em}.modal-row{display:flex;gap:var(--space-2)}.text-input,.role-select,.group-select{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-md);padding:10px var(--space-3);font-size:14px;transition:border-color .15s ease}.text-input:focus,.role-select:focus,.group-select:focus{outline:none;border-color:var(--accent)}.text-input{flex:1}.role-select{padding:8px var(--space-2);font-size:13px}.member-list,.invite-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-1)}.member-item,.invite-item{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) 0;border-bottom:1px solid var(--border)}.member-list li:last-child,.invite-list li:last-child{border-bottom:none}.member-email{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:500}.member-role,.invite-role{color:var(--text-dim);font-size:13px}.invite-role{flex:1;font-weight:600}.lightbox-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000eb;display:flex;align-items:center;justify-content:center;padding:var(--space-5);z-index:200}.lightbox-image{max-width:100%;max-height:100%;object-fit:contain;border-radius:4px}.lightbox-close{position:absolute;top:var(--space-3);right:var(--space-3);width:40px;height:40px;font-size:18px;background:#ffffff14;border-color:#ffffff29;color:#fff}.lightbox-close:hover{background:#ffffff29;border-color:#ffffff4d;color:#fff}