:root{--font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--color-primary:#16a34a;--color-primary-hover:#15803d;--color-primary-light:#f0fdf4;--color-whatsapp:#25d366;--color-whatsapp-hover:#20bd5a;--color-bg:#f8fafc;--color-surface:#fff;--color-border:#e2e8f0;--color-text-main:#0f172a;--color-text-muted:#64748b;--color-text-inverse:#fff;--color-danger:#ef4444;--color-danger-light:#fef2f2;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-full:9999px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #00000014, 0 2px 4px -2px #0000000a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000000d;--shadow-sticky:0 -4px 20px #00000014;--max-width:800px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text-main);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;line-height:1.5}.app-layout{min-height:100vh;max-width:var(--max-width);background-color:var(--color-surface);flex-direction:column;margin:0 auto;display:flex;position:relative;box-shadow:0 0 20px #00000008}.app-header{color:var(--color-text-inverse);background:linear-gradient(135deg,#10b981 0%,#059669 100%);padding:20px 16px 16px}.header-brand{align-items:center;gap:12px;display:flex}.brand-icon{border-radius:var(--radius-md);background:#fff3;flex-shrink:0;justify-content:center;align-items:center;width:52px;height:52px;font-size:2.2rem;display:flex}.header-title{letter-spacing:-.02em;font-size:1.4rem;font-weight:700}.header-subtitle{opacity:.9;margin-top:2px;font-size:.875rem}.main-content{flex:1;padding:16px 16px 120px}.search-bar-container{margin-bottom:16px}.search-input-wrapper{align-items:center;display:flex;position:relative}.search-icon{pointer-events:none;opacity:.6;font-size:1.1rem;position:absolute;left:14px}.search-input{border:2px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-bg);width:100%;color:var(--color-text-main);padding:14px 40px 14px 44px;font-family:inherit;font-size:1rem;transition:all .2s}.search-input:focus{border-color:var(--color-primary);background-color:var(--color-surface);outline:none;box-shadow:0 0 0 4px #16a34a1a}.search-clear-btn{color:var(--color-text-muted);cursor:pointer;border-radius:var(--radius-full);background:0 0;border:none;padding:4px 8px;font-size:1rem;position:absolute;right:12px}.category-nav{margin-bottom:20px}.category-scroll-container{scrollbar-width:none;-ms-overflow-style:none;gap:8px;padding-bottom:6px;display:flex;overflow-x:auto}.category-scroll-container::-webkit-scrollbar{display:none}.category-pill{border:1.5px solid var(--color-border);border-radius:var(--radius-full);background-color:var(--color-surface);color:var(--color-text-muted);cursor:pointer;flex:none;min-height:42px;padding:10px 18px;font-size:.95rem;font-weight:600;transition:all .2s}.category-pill:hover{border-color:var(--color-primary);color:var(--color-primary)}.category-pill.active{background-color:var(--color-primary);border-color:var(--color-primary);color:var(--color-text-inverse);box-shadow:0 2px 8px #16a34a4d}.products-section{width:100%}.product-grid{grid-template-columns:1fr;gap:12px;display:grid}@media (width>=520px){.product-grid{grid-template-columns:repeat(2,1fr);gap:16px}}@media (width>=768px){.product-grid{grid-template-columns:repeat(2,1fr)}}.product-card{background-color:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;-webkit-user-select:none;user-select:none;flex-direction:column;justify-content:space-between;gap:12px;padding:14px 16px;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.product-card:hover{border-color:#cbd5e1;transform:translateY(-1px)}.product-card.selected{border-color:var(--color-primary);background-color:var(--color-primary-light);box-shadow:0 0 0 1px var(--color-primary), var(--shadow-sm)}.card-top-row{justify-content:space-between;align-items:center;display:flex}.product-info{align-items:center;gap:10px;display:flex}.product-icon{font-size:1.6rem}.product-names{flex-direction:column;display:flex}.product-name{color:var(--color-text-main);font-size:1.05rem;font-weight:600;line-height:1.25}.product-tamil-name{color:var(--color-text-muted);margin-top:1px;font-size:.875rem;font-weight:500}.selection-badge{border-radius:var(--radius-full);background-color:var(--color-bg);color:var(--color-text-muted);border:1px solid var(--color-border);padding:4px 10px;font-size:.8rem;font-weight:700;transition:all .2s}.selection-badge.active{background-color:var(--color-primary);color:var(--color-text-inverse);border-color:var(--color-primary)}.card-bottom-row{border-top:1px dashed var(--color-border);justify-content:space-between;align-items:center;padding-top:8px;display:flex}.product-card.selected .card-bottom-row{border-top-color:#bbf7d0}.qty-label{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.03em;font-size:.8rem;font-weight:600}.quantity-selector{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);align-items:center;gap:6px;padding:2px 4px;display:flex}.qty-btn{background-color:var(--color-bg);width:36px;height:36px;color:var(--color-text-main);cursor:pointer;border:none;border-radius:6px;justify-content:center;align-items:center;font-size:1.2rem;font-weight:700;transition:background-color .15s;display:flex}.qty-btn:hover:not(:disabled){background-color:#e2e8f0}.qty-btn:disabled{opacity:.3;cursor:not-allowed}.qty-value-display{color:var(--color-text-main);text-align:center;min-width:54px;font-size:.95rem;font-weight:700}.qty-unit{color:var(--color-text-muted);font-size:.8rem;font-weight:500}.empty-state{text-align:center;padding:48px 16px}.empty-icon{opacity:.6;margin-bottom:12px;font-size:3rem;display:block}.empty-title{color:var(--color-text-main);margin-bottom:4px;font-size:1.1rem;font-weight:600}.empty-subtitle{color:var(--color-text-muted);font-size:.9rem}.selected-summary-bar{background-color:var(--color-surface);border-top:1px solid var(--color-border);box-shadow:var(--shadow-sticky);z-index:100;padding:12px 16px;position:sticky;bottom:0;left:0;right:0}.summary-container{flex-direction:column;gap:10px;display:flex}.summary-info-row{justify-content:space-between;align-items:center;display:flex}.summary-count{color:var(--color-primary);font-size:.95rem;font-weight:700}.summary-count.empty{color:var(--color-text-muted);font-size:.875rem;font-weight:500}.summary-secondary-actions{gap:12px;display:flex}.btn-text-action{cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;padding:4px 8px;font-size:.85rem;font-weight:600;transition:background .15s}.btn-copy{color:#2563eb}.btn-copy:hover{background-color:#eff6ff}.btn-clear{color:var(--color-danger)}.btn-clear:hover{background-color:var(--color-danger-light)}.summary-main-action{width:100%}.share-whatsapp-btn{background-color:var(--color-whatsapp);width:100%;height:52px;color:var(--color-text-inverse);border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;gap:10px;font-size:1.1rem;font-weight:700;transition:all .2s;display:flex;box-shadow:0 4px 12px #25d3664d}.share-whatsapp-btn:hover:not(:disabled){background-color:var(--color-whatsapp-hover);transform:translateY(-1px)}.share-whatsapp-btn:disabled{box-shadow:none;cursor:not-allowed;background-color:#cbd5e1}.whatsapp-icon{font-size:1.3rem}.modal-backdrop{z-index:200;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background-color:#0f172a80;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-content{background-color:var(--color-surface);border-radius:var(--radius-lg);width:100%;max-width:400px;box-shadow:var(--shadow-lg);padding:24px;animation:.2s cubic-bezier(.16,1,.3,1) modalPop}@keyframes modalPop{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.modal-title{margin-bottom:8px;font-size:1.2rem;font-weight:700}.modal-text{color:var(--color-text-muted);margin-bottom:20px;font-size:.95rem}.modal-actions{justify-content:flex-end;gap:10px;display:flex}.modal-btn{border-radius:var(--radius-sm);cursor:pointer;border:none;padding:10px 18px;font-size:.95rem;font-weight:600}.modal-cancel{background-color:var(--color-bg);color:var(--color-text-main);border:1px solid var(--color-border)}.modal-confirm{background-color:var(--color-danger);color:var(--color-text-inverse)}.toast-notification{background-color:var(--color-text-main);color:var(--color-text-inverse);border-radius:var(--radius-full);box-shadow:var(--shadow-lg);z-index:300;align-items:center;gap:8px;padding:12px 20px;font-size:.95rem;font-weight:600;animation:.3s toastSlide;display:flex;position:fixed;top:20px;left:50%;transform:translate(-50%)}.toast-success{background-color:#065f46}.toast-error{background-color:#991b1b}@keyframes toastSlide{0%{opacity:0;transform:translate(-50%,-10px)}to{opacity:1;transform:translate(-50%)}}