*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}:root{--primary: #4a9c5b;--primary-dark: #3a7d48;--bg: #f5f7f5;--card-bg: #ffffff;--text: #2d3436;--text-light: #636e72;--border: #dfe6e9;--danger: #e17055;--radius: 12px;--shadow: 0 2px 8px rgba(0, 0, 0, .08)}html,body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;min-height:100dvh;padding:24px;background:linear-gradient(135deg,#e8f5e9,#c8e6c9)}.login-card{background:var(--card-bg);border-radius:20px;padding:40px 28px;width:100%;max-width:360px;box-shadow:0 8px 32px #0000001a}.login-header{text-align:center;margin-bottom:32px}.login-icon{font-size:48px;display:block;margin-bottom:8px}.login-header h1{font-size:24px;font-weight:700;color:var(--primary)}.login-card input{display:block;width:100%;padding:14px 16px;border:2px solid var(--border);border-radius:var(--radius);font-size:16px;margin-bottom:12px;outline:none;transition:border-color .2s}.login-card input:focus{border-color:var(--primary)}.login-card button{display:block;width:100%;padding:14px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);font-size:16px;font-weight:600;cursor:pointer;margin-top:8px;transition:background .2s}.login-card button:active{background:var(--primary-dark)}.login-card button:disabled{opacity:.6}.login-error{color:var(--danger);font-size:14px;text-align:center;margin-bottom:8px}.app-container{max-width:600px;margin:0 auto;padding-bottom:100px;min-height:100vh;min-height:100dvh}.app-header{display:flex;align-items:center;justify-content:space-between;padding:16px 16px 12px;background:var(--primary);color:#fff;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px #4a9c5b4d}.header-left{display:flex;align-items:center;gap:8px}.header-icon{font-size:24px}.app-header h1{font-size:20px;font-weight:700}.header-right{display:flex;align-items:center;gap:8px}.user-badge{background:#fff3;padding:4px 10px;border-radius:16px;font-size:13px;font-weight:500;text-transform:capitalize}.offline-badge{background:var(--danger);padding:4px 8px;border-radius:16px;font-size:11px;font-weight:600;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.logout-btn{background:#fff3;border:none;color:#fff;width:36px;height:36px;border-radius:50%;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center}.logout-btn:active{background:#ffffff4d}.add-fab{display:block;width:calc(100% - 32px);margin:16px auto 0;padding:14px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);font-size:16px;font-weight:600;cursor:pointer;box-shadow:var(--shadow);transition:background .2s}.add-fab:active{background:var(--primary-dark)}.add-form{background:var(--card-bg);margin:12px 16px;padding:16px;border-radius:var(--radius);box-shadow:var(--shadow)}.form-row{display:flex;gap:8px;margin-bottom:12px}.input-name{flex:1;padding:12px 14px;border:2px solid var(--border);border-radius:var(--radius);font-size:16px;outline:none}.input-name:focus{border-color:var(--primary)}.input-quantity{width:90px;padding:12px 14px;border:2px solid var(--border);border-radius:var(--radius);font-size:16px;outline:none}.input-quantity:focus{border-color:var(--primary)}.category-picker{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.cat-chip{padding:6px 12px;border-radius:20px;border:1.5px solid;font-size:13px;font-weight:500;cursor:pointer;white-space:nowrap;transition:all .15s}.cat-chip:active{transform:scale(.95)}.form-actions{display:flex;gap:8px}.btn-add{flex:1;padding:12px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer}.btn-add:active{background:var(--primary-dark)}.btn-cancel{padding:12px 16px;background:var(--bg);color:var(--text-light);border:1.5px solid var(--border);border-radius:var(--radius);font-size:15px;cursor:pointer}.stats-bar{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;font-size:13px;color:var(--text-light);flex-wrap:wrap;gap:8px}.stats-actions{display:flex;gap:8px}.clear-btn,.toggle-checked-btn{padding:6px 12px;border-radius:16px;border:1.5px solid var(--border);background:var(--card-bg);color:var(--text-light);font-size:12px;cursor:pointer;white-space:nowrap}.clear-btn{border-color:var(--danger);color:var(--danger)}.clear-btn:active{background:var(--danger);color:#fff}.toggle-checked-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.category-group{margin:0 16px 8px}.category-header{display:flex;align-items:center;gap:6px;padding:8px 12px;border-left:3px solid;font-size:13px;font-weight:600;color:var(--text-light);margin-bottom:4px}.checked-header{border-left-color:#b2bec3}.category-emoji{font-size:16px}.category-count{margin-left:auto;background:var(--bg);padding:2px 8px;border-radius:10px;font-size:11px}.shopping-item{display:flex;align-items:center;background:var(--card-bg);border-radius:var(--radius);padding:12px;margin-bottom:6px;box-shadow:0 1px 3px #0000000d;border-left:4px solid;gap:10px;min-height:52px;transition:opacity .2s,transform .2s}.shopping-item.checked{opacity:.5}.item-check{background:none;border:none;padding:0;cursor:pointer;flex-shrink:0}.checkmark{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;border:2.5px solid var(--border);font-size:14px;font-weight:700;color:#fff;transition:all .15s}.checkmark.checked{background:var(--primary);border-color:var(--primary)}.item-content{flex:1;cursor:pointer;min-width:0}.item-name{display:block;font-size:15px;font-weight:500;word-break:break-word}.shopping-item.checked .item-name{text-decoration:line-through;color:var(--text-light)}.item-quantity{display:block;font-size:12px;color:var(--text-light);margin-top:2px}.item-cat-emoji{font-size:16px;flex-shrink:0}.item-delete{background:none;border:none;font-size:18px;cursor:pointer;padding:4px;flex-shrink:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%}.item-delete:active{background:#e170551a}.empty-state{text-align:center;padding:60px 20px;color:var(--text-light)}.empty-icon{font-size:64px;display:block;margin-bottom:12px}.empty-state p{font-size:16px}@supports (padding: env(safe-area-inset-top)){.app-header{padding-top:calc(16px + env(safe-area-inset-top))}.app-container{padding-bottom:calc(100px + env(safe-area-inset-bottom))}}