:root{--color-primary:#1A5276;--color-primary-hover:#0E2F44;--color-primary-soft:#D4E6F1;--color-primary-light:#EBF5FB;--color-success:#27AE60;--color-success-soft:#D5F5E3;--color-warning:#F39C12;--color-warning-soft:#FEF9E7;--color-danger:#E74C3C;--color-danger-soft:#FDEDEC;--color-info:#2E86C1;--color-info-soft:#D6EAF8;--color-bg:#F8F9FA;--color-surface:#FFFFFF;--color-surface-2:#F1F3F5;--color-card:#FFFFFF;--color-border:#E9ECEF;--color-border-light:#F1F5F9;--color-text:#212529;--color-text-secondary:#495057;--color-text-muted:#6C757D;--shadow-xs:0 1px 2px rgba(0,0,0,0.04);--shadow-sm:0 1px 3px rgba(0,0,0,0.06),0 1px 2px rgba(0,0,0,0.04);--shadow-md:0 4px 16px rgba(0,0,0,0.07);--shadow-lg:0 8px 32px rgba(0,0,0,0.09);--shadow-xl:0 16px 48px rgba(0,0,0,0.12);--shadow-focus:0 0 0 3px rgba(26,82,118,0.12);--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-7:32px;--space-8:40px;--space-9:48px;--font-family:'Vazirmatn',sans-serif;--text-xs:11px;--text-sm:13px;--text-base:15px;--text-lg:18px;--text-xl:22px;--text-2xl:28px;--text-3xl:36px;--font-normal:400;--font-medium:500;--font-semibold:600;--font-bold:700;--font-extrabold:800;--radius-sm:6px;--radius-base:10px;--radius-md:14px;--radius-lg:18px;--radius-xl:24px;--radius-full:9999px;--transition-fast:150ms cubic-bezier(0.4,0,0.2,1);--transition-base:200ms cubic-bezier(0.4,0,0.2,1);--transition-slow:300ms cubic-bezier(0.4,0,0.2,1);--transition-bounce:300ms cubic-bezier(0.34,1.56,0.64,1);--header-height:56px;--drawer-width:280px;--bottom-nav-height:64px;--safe-bottom:env(safe-area-inset-bottom,0px);--touch-target:44px}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh;min-height:100dvh;padding-bottom:calc(var(--bottom-nav-height) + var(--safe-bottom) + var(--space-4))}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.header{position:sticky;top:0;z-index:50;height:var(--header-height);padding:0 var(--space-4);background:var(--color-surface);border-bottom:1px solid 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var(--space-2)}.drawer-footer{padding:var(--space-3) var(--space-4);border-top:1px solid var(--color-border-light);flex-shrink:0;display:flex;gap:var(--space-2);flex-wrap:wrap}.stat-badge{display:flex;align-items:center;gap:var(--space-1);background:var(--color-bg);border:1px solid var(--color-border-light);border-radius:var(--radius-full);padding:4px 12px;font-size:var(--text-xs);color:var(--color-text-secondary)}.stat-badge.warn{border-color:rgba(231,76,60,0.25);color:var(--color-danger)}.stat-badge svg{width:14px;height:14px}.page{display:none;padding:var(--space-4) var(--space-4) calc(var(--bottom-nav-height) + var(--safe-bottom) + var(--space-8));animation:fadeUp 0.3s ease}.page.active{display:block}@keyframes 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var(--transition-fast);min-height:var(--touch-target)}.form-input::placeholder{color:var(--color-text-muted)}.form-input:focus{border-color:var(--color-primary);box-shadow:var(--shadow-focus)}.form-input:disabled{opacity:0.5;cursor:not-allowed}.form-input.number-input{direction:ltr;text-align:right}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3)}select.form-input{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236C757D' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:left 12px center;padding-left:36px;cursor:pointer}select.form-input option{background:var(--color-surface);color:var(--color-text)}.btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:8px 20px;border-radius:var(--radius-base);font-family:var(--font-family);font-size:var(--text-sm);font-weight:var(--font-medium);cursor:pointer;transition:all var(--transition-base);border:none;min-height:var(--touch-target);user-select:none;white-space:nowrap;text-decoration:none}.btn:active{transform:scale(0.96)}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover);box-shadow:var(--shadow-focus)}.btn-primary:focus-visible{outline:none;box-shadow:var(--shadow-focus)}.btn-success{background:var(--color-success);color:#fff}.btn-success:hover{background:#219A52;box-shadow:var(--shadow-focus)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover{background:#C0392B;box-shadow:var(--shadow-focus)}.btn-warning{background:var(--color-warning);color:#fff}.btn-warning:hover{background:#D68910;box-shadow:var(--shadow-focus)}.btn-outline{background:transparent;color:var(--color-primary);border:1.5px solid var(--color-primary)}.btn-outline:hover{background:var(--color-primary-soft)}.btn-sm{padding:4px 14px;font-size:var(--text-xs);min-height:32px}.btn-lg{padding:12px 28px;font-size:var(--text-base);min-height:52px}.btn:disabled{opacity:0.5;cursor:not-allowed;transform:none}.search-box{display:flex;align-items:center;gap:var(--space-2);background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius-base);padding:0 14px;transition:all var(--transition-fast);margin-bottom:var(--space-4)}.search-box:focus-within{border-color:var(--color-primary);box-shadow:var(--shadow-focus)}.search-box svg{width:18px;height:18px;color:var(--color-text-muted);flex-shrink:0}.search-box input{flex:1;padding:10px 0;background:transparent;border:none;color:var(--color-text);font-family:var(--font-family);font-size:var(--text-sm);outline:none;min-height:var(--touch-target)}.search-box input::placeholder{color:var(--color-text-muted)}.products-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3)}.product-card{background:var(--color-card);border-radius:var(--radius-md);padding:var(--space-4);border:1px solid 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.btn-icon:hover{background:var(--color-bg);border-color:var(--color-border)}.product-actions .btn-icon.danger{border-color:rgba(231,76,60,0.2);color:var(--color-danger)}.product-actions .btn-icon.danger:hover{background:var(--color-danger-soft)}.product-stock-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--space-2);margin-top:4px}.stock-info{display:flex;align-items:center;gap:var(--space-2)}.stock-badge{font-size:var(--text-lg);font-weight:var(--font-extrabold);color:var(--color-success)}.stock-badge.low{color:var(--color-danger)}.stock-label{font-size:var(--text-xs);color:var(--color-text-muted)}.product-price{font-size:var(--text-xs);color:var(--color-text-secondary);display:flex;align-items:center;gap:4px;flex-wrap:wrap}.price-value{font-weight:var(--font-bold);color:var(--color-text)}.low-stock-warning{margin-top:var(--space-2);background:var(--color-danger-soft);border:1px solid rgba(231,76,60,0.2);border-radius:var(--radius-sm);padding:6px 10px;font-size:var(--text-xs);color:var(--color-danger);display:flex;align-items:center;gap:4px}.card{background:var(--color-card);border-radius:var(--radius-md);padding:var(--space-4);border:1px solid var(--color-border-light);box-shadow:var(--shadow-xs);transition:all var(--transition-base)}.card:hover{box-shadow:var(--shadow-sm);border-color:var(--color-border)}.card h3{font-size:var(--text-sm);font-weight:var(--font-semibold);color:var(--color-text-secondary);margin-bottom:var(--space-4);display:flex;align-items:center;gap:var(--space-2);letter-spacing:-0.2px}.card h3 i{color:var(--color-primary);font-size:15px}.invoice-summary{background:var(--color-bg);border:1px solid var(--color-border-light);border-radius:var(--radius-md);padding:var(--space-4);margin-bottom:var(--space-4)}.invoice-summary-row{display:flex;justify-content:space-between;padding:var(--space-1) 0;font-size:var(--text-sm);color:var(--color-text-secondary)}.invoice-summary-total{display:flex;justify-content:space-between;padding-top:var(--space-3);margin-top:var(--space-2);border-top:1px solid var(--color-border);font-size:var(--text-base);font-weight:var(--font-bold);color:var(--color-text)}.invoice-summary-total .total-amount{color:var(--color-primary);font-size:var(--text-lg)}.divider{height:1px;background:var(--color-border-light);margin:var(--space-4) 0}.divider-text{display:flex;align-items:center;gap:var(--space-3);color:var(--color-text-muted);font-size:var(--text-xs);margin:var(--space-3) 0}.divider-text::before,.divider-text::after{content:'';flex:1;height:1px;background:var(--color-border-light)}.unit-buttons{display:flex;gap:var(--space-1);flex-wrap:wrap;margin-bottom:var(--space-2)}.unit-buttons .btn-outline.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.alert{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-base);margin-bottom:var(--space-4);font-size:var(--text-sm);line-height:1.6}.alert-warning{background:var(--color-warning-soft);border:1px solid rgba(243,156,18,0.2);color:var(--color-warning)}.alert-warning strong{color:var(--color-text)}.filter-tabs{display:flex;gap:var(--space-1);background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius-base);padding:4px;margin-bottom:var(--space-4);overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.filter-tabs::-webkit-scrollbar{display:none}.filter-tab{padding:6px 16px;border:none;background:transparent;border-radius:var(--radius-sm);font-family:var(--font-family);font-size:var(--text-xs);font-weight:var(--font-medium);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;min-height:36px}.filter-tab:hover{color:var(--color-text);background:var(--color-bg)}.filter-tab.active{background:var(--color-primary);color:#fff}.filter-tab.danger.active{background:var(--color-danger);color:#fff}.search-row{display:flex;gap:var(--space-3);margin-bottom:var(--space-4);align-items:center}.stats-mini{display:grid;grid-template-columns:1fr 1fr 1fr;gap:var(--space-2);margin-bottom:var(--space-4)}.stats-mini-item{background:var(--color-card);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);border:1px solid var(--color-border-light);text-align:center;box-shadow:var(--shadow-xs)}.stats-mini-label{font-size:var(--text-xs);color:var(--color-text-secondary)}.stats-mini-value{font-size:var(--text-lg);font-weight:var(--font-extrabold);margin-top:var(--space-1)}.report-summary{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius-md);padding:var(--space-4);margin-bottom:var(--space-4);box-shadow:var(--shadow-xs)}.report-summary-title{font-size:var(--text-sm);font-weight:var(--font-bold);color:var(--color-text-secondary);margin-bottom:var(--space-3);display:flex;align-items:center;gap:var(--space-2)}.report-summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-2);margin-bottom:var(--space-3)}.report-summary-card{border-radius:var(--radius-base);padding:var(--space-2) var(--space-3);text-align:center}.report-summary-card.income{background:var(--color-success-soft);border:1px solid rgba(39,174,96,0.2)}.report-summary-card.expense{background:var(--color-danger-soft);border:1px solid rgba(231,76,60,0.15)}.report-summary-card .rs-label{font-size:var(--text-xs);color:var(--color-text-secondary)}.report-summary-card .rs-value{font-size:var(--text-base);font-weight:var(--font-extrabold);margin-top:var(--space-1)}.report-summary-card.income .rs-value{color:var(--color-success)}.report-summary-card.expense .rs-value{color:var(--color-danger)}.report-summary-profit{background:var(--color-bg);border-radius:var(--radius-base);padding:var(--space-3) var(--space-4);display:flex;justify-content:space-between;align-items:center;font-size:var(--text-sm);font-weight:var(--font-bold);color:var(--color-text-secondary);border:1px solid var(--color-border-light)}.report-summary-profit span:last-child{font-size:var(--text-lg);color:var(--color-text)}.report-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3);margin-bottom:var(--space-4)}.report-card{background:var(--color-card);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);border:1px solid var(--color-border-light);text-align:center;box-shadow:var(--shadow-xs)}.report-card-title{font-size:var(--text-xs);color:var(--color-text-secondary)}.report-card-value{font-size:var(--text-xl);font-weight:var(--font-extrabold);margin-top:var(--space-1)}.monthly-header{display:flex;justify-content:space-between;align-items:center;margin:var(--space-4) 0 var(--space-3)}.monthly-nav{display:flex;align-items:center;gap:var(--space-2)}.monthly-nav-btn{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius-sm);color:var(--color-text-secondary);width:32px;height:32px;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.monthly-nav-btn:hover{background:var(--color-bg);color:var(--color-text)}.monthly-nav-btn:active{transform:scale(0.95)}#rYearLabel{font-size:var(--text-sm);font-weight:var(--font-bold);color:var(--color-primary);min-width:60px;text-align:center}.chart-container{background:var(--color-card);border:1px solid var(--color-border-light);border-radius:var(--radius-md);padding:var(--space-4);margin-bottom:var(--space-4);box-shadow:var(--shadow-xs)}.chart-bars{display:flex;align-items:flex-end;gap:4px;height:110px;direction:ltr}.chart-bar-wrapper{flex:1;display:flex;flex-direction:column;align-items:center;gap:var(--space-1)}.chart-bar{width:100%;max-width:28px;border-radius:var(--radius-sm) var(--radius-sm) 0 0;background:var(--color-primary-soft);min-height:4px;transition:height 0.6s cubic-bezier(0.34,1.56,0.64,1)}.chart-bar.high{background:var(--color-primary)}.chart-labels{display:flex;gap:4px;margin-top:var(--space-2);direction:ltr}.chart-label{flex:1;text-align:center;font-size:9px;color:var(--color-text-muted)}.backup-card{background:var(--color-card);border:1px solid var(--color-border-light);border-radius:var(--radius-md);padding:var(--space-5);box-shadow:var(--shadow-xs)}.backup-card-title{font-size:var(--text-base);font-weight:var(--font-bold);color:var(--color-text);display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-2)}.backup-card-desc{font-size:var(--text-sm);color:var(--color-text-secondary);margin-bottom:var(--space-4)}.backup-actions{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3);margin-bottom:var(--space-3)}.btn-telegram{width:100%;background:linear-gradient(135deg,rgba(37,211,102,0.1),rgba(37,211,102,0.05));border:1px solid rgba(37,211,102,0.25);border-radius:var(--radius-base);padding:12px;color:var(--color-success);font-family:var(--font-family);font-size:var(--text-sm);font-weight:var(--font-bold);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:var(--space-2);transition:all var(--transition-base)}.btn-telegram:hover{background:rgba(37,211,102,0.15);transform:scale(1.01)}.btn-telegram:active{transform:scale(0.97)}.backup-auto{background:rgba(37,211,102,0.06);border:1px solid rgba(37,211,102,0.12);border-radius:var(--radius-sm);padding:var(--space-2) var(--space-3);font-size:var(--text-xs);color:var(--color-success);display:flex;align-items:center;gap:var(--space-2);margin-top:var(--space-2)}.backup-encryption{background:rgba(243,156,18,0.06);border:1px solid rgba(243,156,18,0.12);border-radius:var(--radius-sm);padding:var(--space-2) var(--space-3);display:flex;justify-content:space-between;align-items:center;margin-top:var(--space-2);font-size:var(--text-xs);color:var(--color-warning)}.backup-key-btn{background:rgba(243,156,18,0.12);border:1px solid rgba(243,156,18,0.2);border-radius:var(--radius-sm);padding:4px 12px;color:var(--color-warning);font-family:var(--font-family);font-size:var(--text-xs);cursor:pointer;transition:all var(--transition-fast)}.backup-key-btn:hover{background:rgba(243,156,18,0.2)}.btn-sync{width:100%;margin-top:var(--space-2);background:var(--color-primary-soft);border:1px solid rgba(26,82,118,0.2);border-radius:var(--radius-base);padding:12px;color:var(--color-primary);font-family:var(--font-family);font-size:var(--text-sm);font-weight:var(--font-bold);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:var(--space-2);transition:all var(--transition-base)}.btn-sync:hover{background:var(--color-primary-light);transform:scale(1.01)}.btn-sync:active{transform:scale(0.97)}.sync-status{margin-top:var(--space-2);background:var(--color-primary-soft);border:1px solid rgba(26,82,118,0.15);border-radius:var(--radius-sm);padding:var(--space-2) var(--space-3);font-size:var(--text-xs);color:var(--color-primary);text-align:center}.backup-last{margin-top:var(--space-2);font-size:var(--text-xs);color:var(--color-text-muted);text-align:center}.backup-key-warning{background:rgba(243,156,18,0.06);border:1px solid rgba(243,156,18,0.15);border-radius:var(--radius-base);padding:var(--space-3);margin-bottom:var(--space-4);font-size:var(--text-sm);color:var(--color-warning);line-height:1.7}.backup-key-warning strong{color:var(--color-warning)}.conflict-warning{background:rgba(243,156,18,0.06);border:1px solid rgba(243,156,18,0.15);border-radius:var(--radius-base);padding:var(--space-3);margin-bottom:var(--space-3);font-size:var(--text-sm);color:var(--color-warning);line-height:1.7}.conflict-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3);margin-bottom:var(--space-4)}.conflict-card{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius-base);padding:var(--space-3)}.conflict-card.local{border-color:rgba(39,174,96,0.2)}.conflict-card.server{border-color:rgba(26,82,118,0.2)}.conflict-card-title{font-size:var(--text-xs);font-weight:var(--font-bold);margin-bottom:var(--space-2)}.conflict-card.local .conflict-card-title{color:var(--color-success)}.conflict-card.server .conflict-card-title{color:var(--color-primary)}.conflict-actions{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3)}.ios-install-content{text-align:center;padding:var(--space-2) 0 var(--space-4)}.ios-steps{display:flex;flex-direction:column;gap:var(--space-2)}.ios-step{background:var(--color-bg);border-radius:var(--radius-base);padding:var(--space-3) var(--space-4);display:flex;align-items:center;gap:var(--space-3);font-size:var(--text-sm);line-height:1.6}.ios-step-num{background:var(--color-primary-soft);border-radius:var(--radius-sm);width:36px;height:36px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:var(--text-base)}.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:200;align-items:center;justify-content:center;padding:var(--space-4);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);animation:fadeIn 0.2s ease}.modal-overlay.active{display:flex}@keyframes fadeIn{from{opacity:0}to{opacity:1}}.modal{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);padding:var(--space-5);max-width:520px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-xl);animation:slideUp 0.25s cubic-bezier(0.34,1.56,0.64,1)}@keyframes slideUp{from{opacity:0;transform:translateY(30px) scale(0.96)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-4);padding-bottom:var(--space-2);border-bottom:1px solid var(--color-border-light)}.modal-title{font-size:var(--text-lg);font-weight:var(--font-bold);color:var(--color-text)}.modal-close{background:none;border:none;color:var(--color-text-muted);font-size:28px;cursor:pointer;padding:0 var(--space-2);line-height:1;transition:color var(--transition-fast);min-height:var(--touch-target);min-width:var(--touch-target);display:flex;align-items:center;justify-content:center}.modal-close:hover{color:var(--color-text)}.debt-display{background:var(--color-danger-soft);border:1px solid rgba(231,76,60,0.15);border-radius:var(--radius-base);padding:var(--space-3);text-align:center;margin-bottom:var(--space-4)}.purchase-header{background:var(--color-bg);border-radius:var(--radius-base);padding:var(--space-2) var(--space-3);margin-bottom:var(--space-4);display:flex;align-items:center;gap:var(--space-2)}.purchase-unit-price{background:var(--color-primary-soft);border:1px solid rgba(26,82,118,0.15);border-radius:var(--radius-sm);padding:var(--space-2) var(--space-3);margin-bottom:var(--space-4);font-size:var(--text-sm);color:var(--color-primary);text-align:center}.fab{position:fixed;bottom:calc(var(--bottom-nav-height) + var(--safe-bottom) + var(--space-4));left:var(--space-4);width:56px;height:56px;border-radius:50%;background:var(--color-primary);color:#fff;border:none;font-family:var(--font-family);font-size:var(--text-sm);font-weight:var(--font-medium);cursor:pointer;box-shadow:0 8px 32px rgba(26,82,118,0.3);transition:all var(--transition-bounce);z-index:40;display:flex;align-items:center;justify-content:center;gap:var(--space-2)}.fab:hover{transform:scale(1.05);box-shadow:0 12px 40px rgba(26,82,118,0.4)}.fab:active{transform:scale(0.92)}.fab svg{width:22px;height:22px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:200;height:calc(var(--bottom-nav-height) + var(--safe-bottom));padding-bottom:var(--safe-bottom);background:var(--color-surface);border-top:1px solid var(--color-border-light);display:flex;align-items:stretch;justify-content:space-around;padding:0 4px;box-shadow:0 -2px 16px rgba(0,0,0,0.04)}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:6px 0;border:none;background:transparent;color:var(--color-text-muted);font-family:var(--font-family);font-size:var(--text-xs);cursor:pointer;transition:all var(--transition-fast);position:relative;border-radius:var(--radius-base);user-select:none;min-height:var(--touch-target)}.nav-item i{font-size:22px;transition:all var(--transition-fast)}.nav-item span{font-size:var(--text-xs);font-weight:var(--font-medium)}.nav-item.active{color:var(--color-primary)}.nav-item.active i{transform:translateY(-1px)}.nav-item.active::after{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:24px;height:3px;background:var(--color-primary);border-radius:0 0 4px 4px}.nav-item:active{transform:scale(0.92)}.toast{position:fixed;bottom:calc(var(--bottom-nav-height) + var(--safe-bottom) + 80px);left:50%;transform:translateX(-50%) translateY(100px);background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius-md);padding:var(--space-3) var(--space-5);color:var(--color-text);font-size:var(--text-sm);font-weight:var(--font-medium);box-shadow:var(--shadow-lg);z-index:300;opacity:0;transition:all var(--transition-bounce);min-width:200px;text-align:center;pointer-events:none}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.toast.success{border-color:var(--color-success);color:var(--color-success)}.toast.error{border-color:var(--color-danger);color:var(--color-danger)}.toast.warning{border-color:var(--color-warning);color:var(--color-warning)}.empty-state{text-align:center;padding:var(--space-8) var(--space-4);color:var(--color-text-muted)}.empty-state .empty-icon{font-size:48px;opacity:0.4;margin-bottom:var(--space-2)}.empty-state p{font-size:var(--text-sm)}@media (min-width:768px){body{padding-bottom:var(--space-4)}.page{padding:var(--space-5) var(--space-6) var(--space-8)}.header{padding:0 var(--space-6);height:60px}.page-title-bar{font-size:var(--text-lg)}.form-row{grid-template-columns:1fr 1fr 1fr}.stats-mini{grid-template-columns:1fr 1fr 1fr}.report-grid{grid-template-columns:repeat(4,1fr)}.backup-actions{grid-template-columns:1fr 1fr}.conflict-grid{grid-template-columns:1fr 1fr}.conflict-actions{grid-template-columns:1fr 1fr}.modal{max-width:600px;padding:var(--space-6)}.products-grid{grid-template-columns:repeat(3,1fr);gap:var(--space-4)}}@media (min-width:1024px){.page{padding:var(--space-6) var(--space-8) var(--space-9);max-width:1200px;margin:0 auto}.header{padding:0 var(--space-8);height:64px}.products-grid{grid-template-columns:repeat(4,1fr)}}@media (max-width:480px){.form-row{grid-template-columns:1fr}.stats-mini{grid-template-columns:1fr 1fr}.stats-mini-item{padding:var(--space-2)}.stats-mini-value{font-size:var(--text-base)}.report-grid{grid-template-columns:1fr 1fr}.backup-actions{grid-template-columns:1fr}.conflict-grid{grid-template-columns:1fr}.conflict-actions{grid-template-columns:1fr 1fr}.modal{padding:var(--space-4);max-width:100%;margin:var(--space-2);border-radius:var(--radius-md)}.report-summary-grid{grid-template-columns:1fr 1fr}.report-summary-profit{flex-direction:column;gap:var(--space-1);text-align:center}.search-row{flex-wrap:wrap}.search-row .btn{flex:1;justify-content:center}.products-grid{grid-template-columns:1fr 1fr;gap:var(--space-2)}.product-card{padding:var(--space-3)}.product-name{font-size:var(--text-xs)}.filter-tabs{gap:2px;padding:2px}.filter-tab{padding:4px 10px;font-size:10px;min-height:30px}.fab{width:48px;height:48px;bottom:calc(var(--bottom-nav-height) + var(--safe-bottom) + var(--space-3));left:var(--space-3)}.fab svg{width:18px;height:18px}.toast{bottom:calc(var(--bottom-nav-height) + var(--safe-bottom) + 70px);padding:var(--space-2) var(--space-4);font-size:var(--text-xs);min-width:160px}.unit-buttons .btn-sm{padding:2px 10px;font-size:10px;min-height:28px}.monthly-nav-btn{width:28px;height:28px;font-size:14px}.chart-bars{height:80px;gap:2px}.chart-bar{max-width:18px}.chart-labels .chart-label{font-size:7px}}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.text-muted{color:var(--color-text-muted)}.text-secondary{color:var(--color-text-secondary)}.text-sm{font-size:var(--text-sm)}.text-xs{font-size:var(--text-xs)}.mt-2{margin-top:var(--space-2)}.mt-3{margin-top:var(--space-3)}.mb-3{margin-bottom:var(--space-3)}.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.flex-between{display:flex;justify-content:space-between;align-items:center}.w-full{width:100%}.text-center{text-align:center}.login-screen{display:flex;position:fixed;inset:0;background:var(--color-bg);z-index:9999;flex-direction:column;align-items:center;justify-content:center;padding:24px}
.login-inner{width:100%;max-width:360px}
.login-brand{text-align:center;margin-bottom:32px}
.login-title{font-size:15px;font-weight:800;color:var(--color-text);letter-spacing:-0.5px}
.login-subtitle{font-size:12px;color:var(--color-text-muted);margin-top:4px}
.login-error{display:none;background:var(--color-danger-soft);border:1px solid rgba(231,76,60,0.3);border-radius:10px;padding:10px 14px;font-size:13px;color:var(--color-danger);margin-bottom:14px;text-align:center}
.login-locked{display:none;background:var(--color-danger-soft);border:1px solid rgba(231,76,60,0.3);border-radius:10px;padding:14px;font-size:13px;color:var(--color-danger);margin-bottom:14px;text-align:center}
.login-locked-sub{font-size:12px;color:var(--color-text-muted);margin-top:4px;display:block}
.login-locked-btn{margin-top:10px;background:rgba(231,76,60,0.15);border:1px solid rgba(231,76,60,0.3);border-radius:8px;padding:6px 14px;color:var(--color-danger);cursor:pointer;font-family:var(--font-family);font-size:12px}
.login-form-group{margin-bottom:12px}
.login-form-group.pass{margin-bottom:20px}
.login-label{font-size:12px;font-weight:600;color:var(--color-text-secondary);display:block;margin-bottom:6px}
.login-input{width:100%}
.login-btn{width:100%;justify-content:center;padding:14px;font-size:15px}
.btn-block{width:100%;justify-content:center;padding:13px;margin-top:6px}
.modal-actions{display:flex;gap:8px;margin-top:14px}
.btn-flex{flex:1;justify-content:center}
.modal-info{margin-bottom:14px}
.modal-info-label{font-size:13px;color:var(--color-text-secondary)}
.modal-info-value{font-size:15px;font-weight:700}
.debt-label{font-size:11px;color:var(--color-text-secondary);margin-bottom:4px}
.debt-amount{font-size:22px;font-weight:800;color:var(--color-danger)}
.partner-toggle{display:flex;align-items:center;justify-content:space-between;background:var(--color-surface-2);border-radius:10px;padding:12px}
.partner-label{font-size:13px;font-weight:600;color:var(--color-text)}
.partner-check{width:18px;height:18px;accent-color:var(--color-primary);cursor:pointer}
.discount-row{display:flex;gap:6px;align-items:center}
.select-sm{width:80px;padding:10px 8px}
.btn-conflict-local{flex:1;justify-content:center;background:rgba(39,174,96,.15);border:1px solid rgba(39,174,96,.3);color:var(--color-success);padding:12px}
.btn-conflict-server{flex:1;justify-content:center;background:rgba(26,82,118,.12);border:1px solid rgba(26,82,118,.25);color:var(--color-primary);padding:12px}
.conflict-content{font-size:11px;color:var(--color-text-secondary);word-break:break-all}
.conflict-note{display:none;background:var(--color-danger-soft);border:1px solid rgba(231,76,60,0.2);border-radius:8px;padding:8px 12px;margin-bottom:10px;font-size:11px;color:var(--color-danger);text-align:center}
.ios-emoji{font-size:48px;margin-bottom:8px}
.ios-desc{font-size:14px;color:var(--color-text-secondary);line-height:1.8}
.platform-badge{font-size:10px;color:var(--color-text-muted);padding:2px 8px;background:var(--color-surface-2);border-radius:6px;display:none}
.section-title-sm{font-size:14px}
.unit-input{margin-top:6px}
.invoice-summary-edit{margin-top:8px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* ── Action Sheet (Bottom Sheet) ───────────────────────── */
.action-sheet-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.25);z-index:190;opacity:0;transition:opacity var(--transition-base)}
.action-sheet-overlay.active{display:block;opacity:1}
.action-sheet{position:fixed;bottom:calc(var(--bottom-nav-height) + var(--safe-bottom));left:0;right:0;z-index:195;background:var(--color-surface);border-radius:var(--radius-xl) var(--radius-xl) 0 0;border:1px solid var(--color-border-light);border-bottom:none;box-shadow:var(--shadow-xl);transform:translateY(110%);transition:transform var(--transition-bounce);padding-bottom:8px}
.action-sheet.active{transform:translateY(0)}
.action-sheet-handle{width:36px;height:4px;background:var(--color-border);border-radius:var(--radius-full);margin:10px auto 8px}
.action-sheet-title{font-size:var(--text-xs);font-weight:var(--font-semibold);color:var(--color-text-muted);text-align:center;padding:0 var(--space-4) var(--space-2);letter-spacing:0.5px;text-transform:uppercase}
.action-sheet-item{display:flex;align-items:center;gap:var(--space-3);width:100%;padding:14px var(--space-5);border:none;background:transparent;color:var(--color-text);font-family:var(--font-family);font-size:var(--text-base);font-weight:var(--font-medium);cursor:pointer;transition:background var(--transition-fast);min-height:56px;text-align:right}
.action-sheet-item:active{background:var(--color-bg)}
.action-sheet-item-icon{width:40px;height:40px;border-radius:var(--radius-base);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.action-sheet-item-icon.primary{background:var(--color-primary-soft);color:var(--color-primary)}
.action-sheet-item-icon.success{background:var(--color-success-soft);color:var(--color-success)}
.action-sheet-item-icon.warning{background:var(--color-warning-soft);color:var(--color-warning)}
.action-sheet-item-text{flex:1}
.action-sheet-item-label{font-size:var(--text-base);font-weight:var(--font-semibold);color:var(--color-text)}
.action-sheet-item-desc{font-size:var(--text-xs);color:var(--color-text-muted);margin-top:1px}
.nav-item.sheet-open{color:var(--color-primary)}
.nav-item.sheet-open i{transform:translateY(-1px)}